WO2007024062A1 - Multifunctional ceramic compounds - Google Patents
Multifunctional ceramic compounds Download PDFInfo
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- WO2007024062A1 WO2007024062A1 PCT/KR2006/002755 KR2006002755W WO2007024062A1 WO 2007024062 A1 WO2007024062 A1 WO 2007024062A1 KR 2006002755 W KR2006002755 W KR 2006002755W WO 2007024062 A1 WO2007024062 A1 WO 2007024062A1
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- ceramic composition
- multifunctional ceramic
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- 239000000919 ceramic Substances 0.000 title claims abstract description 48
- 150000001875 compounds Chemical class 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims abstract description 73
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract 2
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims abstract 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 5
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 4
- 238000010309 melting process Methods 0.000 claims description 4
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 claims description 3
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 claims description 3
- 229910052590 monazite Inorganic materials 0.000 claims description 3
- 238000010099 solid forming Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 12
- 150000001450 anions Chemical class 0.000 abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 230000004913 activation Effects 0.000 abstract description 6
- 229910021529 ammonia Inorganic materials 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 5
- 241000588724 Escherichia coli Species 0.000 abstract description 4
- 241000589517 Pseudomonas aeruginosa Species 0.000 abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 241000894006 Bacteria Species 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 8
- 238000004332 deodorization Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 241001360526 Escherichia coli ATCC 25922 Species 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 241001103617 Pseudomonas aeruginosa ATCC 15442 Species 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 210000000467 autonomic pathway Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
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- 239000001963 growth medium Substances 0.000 description 2
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- 239000012535 impurity Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 208000019838 Blood disease Diseases 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 206010010774 Constipation Diseases 0.000 description 1
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 208000007107 Stomach Ulcer Diseases 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002082 anti-convulsion Effects 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000020411 cell activation Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical group [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 201000005917 gastric ulcer Diseases 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 208000014951 hematologic disease Diseases 0.000 description 1
- 208000018706 hematopoietic system disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 229910052585 phosphate mineral Inorganic materials 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
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- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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Definitions
- the present invention relates to a multifunctional ceramic composition, specifically to a multifunctional ceramic composition which shows various advantageous functions such as deodorization, antibacterial effect, activation of water by reduction, emission of far-infrared ray, hydrophilicity and the like, and comprises 50-60 wt% of SiO , 13-16 wt% of Na O, 1.4-1.7 wt% of B O , 0.3-0.5 wt% of Li O, 4-6 wt% of CaO, 1.7-2.2 wt% of Al 2 O 3 , 0.005-0.01 wt% of P 2 O 5 , 0.5-1 wt% of TiO 2 , 0.5-1 wt% of
- Ceramic covers inorganic non-metallic solid materials of which formation is due to the action of heat at high temperature. Ceramic generally has excellent fire resistance, which allows the wide range of use thereof in diverse products in various fields including household products, construction material and even up- to-date high technology products.
- Such ceramic composition widely used as a raw material in diverse products has been variously investigated to develop a ceramic composition having multifunc- tionality.
- a ceramic material when forming a ceramic material and firing the formed ceramic, it results in formation of pores in the formed ceramic, i.e. a porous ceramic.
- Such porous ceramic has problem that the pores could be provided as a place for living to suspended materials and bacteria, and such bacteria settled therein, as time elapses, would develop resistance, then finally being a habitat of microorganisms.
- the fired powders are rubbed off from such ceramic, there has been a risk of elution of toxic components. Under these circumstances, a composition which can achieve multiple effects such as deodorization, far-infrared emission, water activation through reduction, hydrophilicity and anion emission at the same time has not yet been provided.
- the present invention has been designed to solve the above-mentioned problems of the prior arts, and thus the object of the present invention is to provide a multifunctional ceramic composition which can exhibit various effects at the same time such as deodorization of ammonia, disinfection of contaminants, far-infrared emission, water activation through a reductive process, hydrophilicity, anion emission, prevention of bacteria and their growth in the pores by using a melting process at a certain temperature, removal of the risk of the elution of impurities or toxic materials and the like.
- a multifunctional ceramic composition according to the present invention is composed of 50-60 wt% of SiO 2 , 13-16 wt% of Na 2 O, 1.4-1.7 wt% of B 2 O 3 , 0.3-0.5 wt% of Li 2 O,
- a multifunctional ceramic composition characteristically comprises 60-70 wt% of SiO , 15-20 wt% of Na O, 1.0-1.5 wt% of B O , 0.3-0.5 wt% of Li O, 4-6 wt% of CaO, 5.0-6.0 wt% of Al 2 O 3 , 0.01-0.05 wt% of P 2 O 5 , 0.8-1.2 wt% of TiO 2 , 0.5-1 wt% of ZnO, 0.1-0.2 wt% of K O, 0.5-1.0 wt% of Fe O , 0.5-1.0 wt% of MgO, 0.01-0.02 wt% of MnO and 0.01-0.02 wt% of Cr O .
- [8] Preferably, based on 100 parts by weight of the multifunctional ceramic composition, 5-25 parts by weight of ilmenite and/or 1-15 parts by weight of monazite are further added thereto.
- the multifunctional ceramic composition is preferably prepared by using a semisolid forming or melting process at 1200-1500 0 C, and desirably has a thermal expansion coefficient in around the range of 95x10 -110x10 .
- Ilmenite has a molecular formula of FeTiO , and shows antibacterial, deodorizing and antifungal functions.
- Monazite of which elemental composition is (Ce, La, Y, Th)PO 4 is a phosphate mineral containing rare earth metals from cerium group, and has antibacterial, anion emitting functions and the like.
- far-infrared ray has a strong heat effect, owing to the fact that the frequency of the far-infrared is nearly in the same range of the natural frequency of molecules which constitute a material.
- electromagnetic resonance is occurred and thus the energy from far-infrared ray is effectively absorbed to the material, resulting in the heat effect.
- Such far-infrared also has many effects on human body.
- Several representative effects among them include temperature elevation in hypodermic area, expansion of capillary blood vessel, promotion of blood circulation, strengthening of metabolism in blood, body and organs, eradication of blood disorder, and improvement in tissue regeneration capacity or anticonvulsion effect, and further include inhibition on unusual excitation of sensory nerves and control of the autonomic nerves functions.
- Tap water should be sterilized for the use as drinking water, therefore, for this purpose, chlorine is generally added to tap water, which causes a decrease in the reductive potential of water resulting in oxidation of water.
- Such oxidized water can be hazardous to the human body and therefore, currently various water reducing devices have been suggested as a method for activating water through a reductive process.
- Such reduced water is very beneficial to the human body, and has advantageous effects such that it has; a great effect on disorders in abdominal area including diarrhea or constipation; a prophylactic or therapeutic effect on gastric mucous disorders such as a gastric ulcer; an effect of inhibiting fat accumulation in the body; reducing the blood cholesterol level; and a therapeutic effect on heart diseases, or the like.
- anion is widely known to have functions of air cleaning and disinfection of dust and bacteria, and further effects on human body such as blood purification, cell activation, increase in resistant power, alleviation of pains, adjustment of autonomic nerve system and the like.
- the multifunctional ceramic composition of the present invention has a significantly high deodorizing effect, an excellent disinfection effect on E.coli and Pseudomonas aeruginosa, an excellent water activation effect by reduction, and increased far-infrared emission as compared to general glass composition. Further, the product according to the present invention has remarkable hydrophilicity, thus also being able to exert excellent functions when being formed as various products.
- the multifunctional ceramic composition according to the present invention emits great amount of anions, causing another remarkable effect of raising combustion efficiency.
- Fig. 1 is a plot showing the state before and after the use of a multifunctional ceramic composition according to the present invention.
- FIG. 2 is a plot showing the state before and after one month of use of a multi- functional ceramic composition according to the present invention. Best Mode for Carrying Out the Invention
- composition to be tested [22] *Determining a composition to be tested* [23] Before carrying out various tests according to the present invention, a composition to be subjected to the tests was determined, which comprises the components as below.
- Test XFIA-FI- 1004
- Gas used in the test ammonia
- Determination of gas concentration gas detecting tube [38]
- the deodorization rate was as high as 87%. Further, it is found that the deodorization rate of the composition according to the present invention was even increased as time elapsed, reaching to 94% in 120 minutes after the start of the test.
- the tested composition Blank 1 absents a composition according to the present invention.
- the number of bacteria on the culture medium was estimated by multiplying dilution factor.
- Test KFIA-FI- 1003
- Bacteria strains used in the test Escherichia coli ATCC 25922 [45] Pseudomonas aeruginosa ATCC 15442 [46] [47]
- the initial concentration of E.coli in Blank 1 where a composition of the present invention was not added, was hardly changed, however in the composition according to the present invention, the disinfection rate was very high, reaching to 98%.
- the composition according to the present invention showed 98.2% of disinfection rate.
- test results were obtained by using FT-IR spectrometer and comparing with a black body.
- the multifunctional ceramic composition according to the present invention showed very high emission efficiency as compared to the conventional general soda lime glass composition having 0.6-0.7D of the emission efficiency, accordingly the emission energy was also found to be very high.
- Fig. 1 is a plot showing the state before and after the use of a multifunctional ceramic composition according to the present invention
- Fig. 2 is a plot showing the state before and after one month of use of a multifunctional ceramic composition according to the present invention.
- Test method The multifunctional ceramic composition according to the present invention was placed in a supplementary tank for cooling water used in a car, and a change in the value of Max Torque(kg-M) was observed.
- the Max Torque value refers to the engine power.
- the multifunctional ceramic composition of the present invention emits great amount of anions, which increases the combustion efficiency.
- the cooling water in the supplementary tank becomes modified to activated water which has less number of agglomerated water molecules owing to the large emission of far-infrared, and the anions which are one of intrinsic characteristic features of the ceramic composition of the present invention are emitted into the activated water.
- the temperature of the cooling water for a radiator becomes elevated along the temperature increase in the engine, and then the cooling water for a radiator starts to circulate with the cooling water in the supplementary tank, finally bringing the whole cooling water into activated water.
- the contact angle of the multifunctional ceramic composition product according to the present invention was determined by a water dropping method, resulting in the contact angle of about 3° which means weak surface tension and excellent hydrophilicity.
- composition to be tested [62] *Determining a composition to be tested* [63] Before carrying out various tests according to the present invention, a composition to be subjected to the tests was determined, which comprises the components as below.
- Test XFIA-FI- 1004
- Gas used in the test ammonia
- Determination of gas concentration gas detecting tube [79]
- the deodorization rate of the composition according to the present invention was even increased as time elapsed, reaching to 94% in 120 minutes after the start of the test.
- Test KFIA-FI- 1003
- Bacteria strains used in the test Escherichia coli ATCC 25922
- Pseudomonas aeruginosa ATCC 15442 [86]
- the disinfection rate was very high, reaching to 98.5%.
- the composition according to the present invention showed 97.2% of disinfection rate.
- test results were obtained by using FT-IR spectrometer and comparing with a black body.
- the multifunctional ceramic composition according to the present invention showed very high emission efficiency as compared to the conventional general soda lime glass composition having 0.6-0.7D of the emission efficiency, accordingly emission energy of the present invention was also very high.
Abstract
Disclosed is a multifunctional ceramic composition. More specifically disclosed is a multifunctional ceramic composition which shows various advantageous functions such as de- odorization, antibacterial effect, activation of water by reduction, emission of far-infrared ray, hydrophilicity and the like, and comprises 50-60 wt % of SiO2, 13∼16 wt % of Na2O, 1.4∼1.7 wt % of B2O3, 0.3∼0.5 wt % of Li2O, 4∼6 wt % of CaO, 1.7∼2.2 wt % of Al2O3, 0.005∼0.01 wt % of P2O5, 0.5∼1 wt % of TiO2, 0.5∼1 wt % of ZnO, 0.02∼0.04 wt % of K2O, 5∼6 wt % of Fe2O3, 12∼15 wt % of MgO and 0.05∼0.1 wt % of MnO. The multifunctional ceramic composition has significantly high efficiency of removing ammonia smell, an excellent disinfection effect on E. coli and Pseudomonas aeruginosa, good activation of water by reduction, and a remarkably high far- infrared irradiation effect as compared to normal glass compositions. Further, products obtained according to the preset invention have a high degree of hydrophilicity, which allows them to be utilized in various products with excellent functions. The multifunctional ceramic composition according to the present invention also emits abundant amount of anions, raising combustion efficiency.
Description
Description
MULTIFUNCTIONAL CERAMIC COMPOUNDS
Technical Field
[1] The present invention relates to a multifunctional ceramic composition, specifically to a multifunctional ceramic composition which shows various advantageous functions such as deodorization, antibacterial effect, activation of water by reduction, emission of far-infrared ray, hydrophilicity and the like, and comprises 50-60 wt% of SiO , 13-16 wt% of Na O, 1.4-1.7 wt% of B O , 0.3-0.5 wt% of Li O, 4-6 wt% of CaO, 1.7-2.2 wt% of Al 2 O 3 , 0.005-0.01 wt% of P 2 O 5 , 0.5-1 wt% of TiO 2 , 0.5-1 wt% of
ZnO, 0.02-0.04 wt% of K 2 O, 5-6 wt% of Fe 2 O 3 , 12-15 wt% of MgO and 0.05-0.1 wt% of MnO. Background Art
[2] The term, ceramic, covers inorganic non-metallic solid materials of which formation is due to the action of heat at high temperature. Ceramic generally has excellent fire resistance, which allows the wide range of use thereof in diverse products in various fields including household products, construction material and even up- to-date high technology products.
[3] Such ceramic composition widely used as a raw material in diverse products has been variously investigated to develop a ceramic composition having multifunc- tionality. However, when forming a ceramic material and firing the formed ceramic, it results in formation of pores in the formed ceramic, i.e. a porous ceramic. Such porous ceramic has problem that the pores could be provided as a place for living to suspended materials and bacteria, and such bacteria settled therein, as time elapses, would develop resistance, then finally being a habitat of microorganisms. Further, as the fired powders are rubbed off from such ceramic, there has been a risk of elution of toxic components. Under these circumstances, a composition which can achieve multiple effects such as deodorization, far-infrared emission, water activation through reduction, hydrophilicity and anion emission at the same time has not yet been provided.
[4] Although a photocatalytic coating process was suggested to improve functions including deodorization, disinfection and hydrophilicity, its practical use was failed owing to the high cost required to the process, since it involves the use of expensive titanium dioxide as a photocatalyst. Disclosure of Invention Technical Problem
[5] The present invention has been designed to solve the above-mentioned problems of
the prior arts, and thus the object of the present invention is to provide a multifunctional ceramic composition which can exhibit various effects at the same time such as deodorization of ammonia, disinfection of contaminants, far-infrared emission, water activation through a reductive process, hydrophilicity, anion emission, prevention of bacteria and their growth in the pores by using a melting process at a certain temperature, removal of the risk of the elution of impurities or toxic materials and the like. Technical Solution
[6] In order to solve the above-described technical problems of prior arts, a multifunctional ceramic composition according to the present invention is composed of 50-60 wt% of SiO 2 , 13-16 wt% of Na 2 O, 1.4-1.7 wt% of B 2 O 3 , 0.3-0.5 wt% of Li 2 O,
4-6 wt% of CaO, 1.7-2.2 wt% of Al 2 O 3 , 0.005-0.01 wt% of P 2 O 5 , 0.5-1 wt% of TiO 2 ,
0.5-1 wt% of ZnO, 0.02-0.04 wt% of K 2 O, 5-6 wt% of Fe 2 O 3 , 12-15 wt% of MgO and 0.05-0.1 wt% of MnO.
[7] Further, a multifunctional ceramic composition according to another embodiment of the present invention characteristically comprises 60-70 wt% of SiO , 15-20 wt% of Na O, 1.0-1.5 wt% of B O , 0.3-0.5 wt% of Li O, 4-6 wt% of CaO, 5.0-6.0 wt% of Al 2 O 3 , 0.01-0.05 wt% of P 2 O 5 , 0.8-1.2 wt% of TiO 2 , 0.5-1 wt% of ZnO, 0.1-0.2 wt% of K O, 0.5-1.0 wt% of Fe O , 0.5-1.0 wt% of MgO, 0.01-0.02 wt% of MnO and 0.01-0.02 wt% of Cr O .
2 3
[8] Preferably, based on 100 parts by weight of the multifunctional ceramic composition, 5-25 parts by weight of ilmenite and/or 1-15 parts by weight of monazite are further added thereto.
[9] The multifunctional ceramic composition is preferably prepared by using a semisolid forming or melting process at 1200-1500 0C, and desirably has a thermal expansion coefficient in around the range of 95x10 -110x10 .
[10] Ilmenite has a molecular formula of FeTiO , and shows antibacterial, deodorizing and antifungal functions. Monazite of which elemental composition is (Ce, La, Y, Th)PO 4 , is a phosphate mineral containing rare earth metals from cerium group, and has antibacterial, anion emitting functions and the like.
[11] In the meantime, far-infrared ray has a strong heat effect, owing to the fact that the frequency of the far-infrared is nearly in the same range of the natural frequency of molecules which constitute a material. When far-infrared hits a material, electromagnetic resonance is occurred and thus the energy from far-infrared ray is effectively absorbed to the material, resulting in the heat effect.
[12] Such far-infrared also has many effects on human body. Several representative effects among them, include temperature elevation in hypodermic area, expansion of
capillary blood vessel, promotion of blood circulation, strengthening of metabolism in blood, body and organs, eradication of blood disorder, and improvement in tissue regeneration capacity or anticonvulsion effect, and further include inhibition on unusual excitation of sensory nerves and control of the autonomic nerves functions.
[13] Tap water should be sterilized for the use as drinking water, therefore, for this purpose, chlorine is generally added to tap water, which causes a decrease in the reductive potential of water resulting in oxidation of water. Such oxidized water can be hazardous to the human body and therefore, currently various water reducing devices have been suggested as a method for activating water through a reductive process.
[14] Such reduced water is very beneficial to the human body, and has advantageous effects such that it has; a great effect on disorders in abdominal area including diarrhea or constipation; a prophylactic or therapeutic effect on gastric mucous disorders such as a gastric ulcer; an effect of inhibiting fat accumulation in the body; reducing the blood cholesterol level; and a therapeutic effect on heart diseases, or the like.
[15] Additionally, anion is widely known to have functions of air cleaning and disinfection of dust and bacteria, and further effects on human body such as blood purification, cell activation, increase in resistant power, alleviation of pains, adjustment of autonomic nerve system and the like.
Advantageous Effects
[16] The multifunctional ceramic composition of the present invention has a significantly high deodorizing effect, an excellent disinfection effect on E.coli and Pseudomonas aeruginosa, an excellent water activation effect by reduction, and increased far-infrared emission as compared to general glass composition. Further, the product according to the present invention has remarkable hydrophilicity, thus also being able to exert excellent functions when being formed as various products.
[17] The multifunctional ceramic composition according to the present invention emits great amount of anions, causing another remarkable effect of raising combustion efficiency.
[18] In the meantime, by preparing a multifunctional ceramic composition according to the present invention through a semi-solid forming or melting process at 1200~1500 0C, other functional effects of the present invention can be obtained further such as prevention of bacteria and their growth in the pores present in conventional ceramic, and removal of the risk of the elution of impurities or toxic materials and the like. Brief Description of the Drawings
[19] Fig. 1 is a plot showing the state before and after the use of a multifunctional ceramic composition according to the present invention, and
[20] Fig. 2 is a plot showing the state before and after one month of use of a multi-
functional ceramic composition according to the present invention. Best Mode for Carrying Out the Invention
[21] Hereinafter, the present invention and its effects are further described in detail through the illustrative examples of multifunctional ceramic composition according to the present invention.
[22] *Determining a composition to be tested* [23] Before carrying out various tests according to the present invention, a composition to be subjected to the tests was determined, which comprises the components as below.
[24] SiO 2 56.361 wt% Na 2 O 14.531 wt% [25] B 2 O 3 1.669 wt% Li 2 O 0.471 wt% [26] CaO 4.574 wt% Al O 1.908 wt% [27] P 2O 50.008 wt% TiO 20.841 wt% [28] ZnO 0.791 wt% K 2 O 0.039 wt% [29] Fe 2 O 3 5.174 wt% Mg &O 13.563 wt% [30] MnO 0.07 wt% [31] (Hereinafter, the composition is referred as "Blank 1"). [32] [Example 1] [33] Table 1
[34] * The tested composition Blank 1 absents a composition according to the present invention)
[35] Test: XFIA-FI- 1004 [36] Gas used in the test: ammonia [37] Determination of gas concentration: gas detecting tube [38] [39] As seen from the above example 1, when 30 minutes elapsed from the start of the test, it is found that the ammonia concentration in Blank 1 where a composition of the present invention was not added, was not so much different from that of the initial state, however in the composition according to the present invention, the deodorization
rate was as high as 87%. Further, it is found that the deodorization rate of the composition according to the present invention was even increased as time elapsed, reaching to 94% in 120 minutes after the start of the test.
[40] [Example 2] [41] Table 2
[42] Note: The tested composition Blank 1 absents a composition according to the present invention. The number of bacteria on the culture medium was estimated by multiplying dilution factor.
[43] Test: KFIA-FI- 1003 [44] Bacteria strains used in the test: Escherichia coli ATCC 25922 [45] Pseudomonas aeruginosa ATCC 15442 [46] [47] As seen from the above example, after 24 hours elapsed from the start of the test, it can be recognized that the initial concentration of E.coli in Blank 1, where a composition of the present invention was not added, was hardly changed, however in the composition according to the present invention, the disinfection rate was very high, reaching to 98%. Regarding Pseudomonas aeruginosa, the composition according to the present invention showed 98.2% of disinfection rate.
[48] [Example 3] [49] Table 3
[50] The test results were obtained by using FT-IR spectrometer and comparing with a black body.
[51] [52] As it can be seen from Example 3, the multifunctional ceramic composition according to the present invention showed very high emission efficiency as compared
to the conventional general soda lime glass composition having 0.6-0.7D of the emission efficiency, accordingly the emission energy was also found to be very high.
[53] [Example 4]
[54] Fig. 1 is a plot showing the state before and after the use of a multifunctional ceramic composition according to the present invention, and Fig. 2 is a plot showing the state before and after one month of use of a multifunctional ceramic composition according to the present invention.
[55] In Figs. 1 and 2, the "RunFile- 003. drt" shows the state which did not use the multifunctional ceramic composition according to the present invention, and the "RunFile_004.drt" shows the state right after the use of the multifunctional ceramic composition according to the present invention. Further, "RunFile_007.drt" shows the state in one month after the use of the multifunctional ceramic composition according to the present invention
[56] Test method: The multifunctional ceramic composition according to the present invention was placed in a supplementary tank for cooling water used in a car, and a change in the value of Max Torque(kg-M) was observed.
[57] As it can be seen from the drawings, after placing the multifunctional ceramic composition according to the present invention, the Max Torque value was changed from 13.95 to 14.22, and especially, after one month, it was further increased significantly to 14.97.
[58] In the above, the Max Torque value refers to the engine power. After placing the multifunctional ceramic composition according to the present invention, it can be recognized that the fuel economy was largely improved.
[59] It is because the multifunctional ceramic composition of the present invention emits great amount of anions, which increases the combustion efficiency. When placing a composition of the present invention in a cooling water tank of a car, the cooling water in the supplementary tank becomes modified to activated water which has less number of agglomerated water molecules owing to the large emission of far-infrared, and the anions which are one of intrinsic characteristic features of the ceramic composition of the present invention are emitted into the activated water. As the car engine is powered, the temperature of the cooling water for a radiator becomes elevated along the temperature increase in the engine, and then the cooling water for a radiator starts to circulate with the cooling water in the supplementary tank, finally bringing the whole cooling water into activated water. Then, as the activated cooling water moves around the cylinders of the car engine, an electromagnetic field is naturally formed, due to the great amount of anions. Accordingly, the combustion rate of the cylinders is increased, which makes possible to perform an oxidative reaction achieving nearly the complete combustion. Therefore, ultimately, it is possible to reduce fuel consumption
of a car and noises generated from the rotation of an engine, to improve the engine power and to extend the life of engine oil, too (excitation theory). Additionally, it also exhibits dramatic improvement in the composition of an exhaust gas regarding CO and HC content.
[60] Further, the contact angle of the multifunctional ceramic composition product according to the present invention was determined by a water dropping method, resulting in the contact angle of about 3° which means weak surface tension and excellent hydrophilicity.
[61] With another composition according to another embodiment of the present invention, following tests were carried out.
[62] *Determining a composition to be tested* [63] Before carrying out various tests according to the present invention, a composition to be subjected to the tests was determined, which comprises the components as below.
[64] SiO 265.607 wt% Na 2 O 18.970 wt% [65] B 2O 3 1.271 wt% Li 2 O 0.440 wt% [66] CaO 4.150 wt% Al 2 O 3 5.718 wt% [67] P 2O 5 0.030 wt% TiO 2 1.044 wt% [68] ZnO 0.953 wt% K 2 O 0.184 wt% [69] Fe2O3 0.903 wt% MgO 0.700 wt% [70] MnO 0.015 wt% Cr 2 O 3 0.014 wt% [71] (Hereinafter, the composition is referred as "Blank 2") [72] [Exmaple 5] [73] Table 4
[74] * The tested composition Blank 2 absents a composition according to the present invention)
[75] Test: XFIA-FI- 1004 [76] Gas used in the test: ammonia [77] Determination of gas concentration: gas detecting tube
[79] As seen from the above example 5, when 30 minutes elapsed from the start of the test, it is found that the ammonia concentration in Blank 2 where a composition of the present invention was not added, was not so much different from that of the initial state, however in the composition according to the present invention, the deodorization rate was as high as 86%. Further, it is found that the deodorization rate of the composition according to the present invention was even increased as time elapsed, reaching to 94% in 120 minutes after the start of the test.
[80] [Example 6] [81] Table 5
[82] Note: The tested composition Blank 2 absents a composition according to the present invention. The number of bacteria on the culture medium was estimated by multiplying dilution factor.
[83] Test: KFIA-FI- 1003 [84] Bacteria strains used in the test: Escherichia coli ATCC 25922 [85] Pseudomonas aeruginosa ATCC 15442 [86] [87] As seen from the above example, after 24 hours elapsed from the start of the test, it can be recognized that the initial concentration of E.coli in Blank 2, where a composition of the present invention was not added, was hardly changed, however in the composition according to the present invention, the disinfection rate was very high, reaching to 98.5%. Regarding Pseudomonas aeruginosa, the composition according to the present invention showed 97.2% of disinfection rate.
[88] [Example 7] [89] Table 6
[91]
[92] As it can be seen from Example 7, the multifunctional ceramic composition according to the present invention showed very high emission efficiency as compared to the conventional general soda lime glass composition having 0.6-0.7D of the emission efficiency, accordingly emission energy of the present invention was also very high.
[93] Although a specific preferred embodiment of the present invention has been illustrated and described, the present invention is not limited only to the above-described preferred embodiment. Furthermore, those skilled in the art will appreciate that various modifications are possible without departing from the gist of the technical spirit of the present invention, which is described in the claims below.
Claims
[1] A multifunctional ceramic composition comprising 50-60 wt% of SiO , 13-16 wt% Of Na2O, 1.4-1.7 wt% Of B2O3, 0.3-0.5 wt% of Li2O, 4-6 wt% of CaO, 1.7-2.
2 wt% of Al 2 O 3 , 0.005-0.01 wt% of P 2 O 5 , 0.5-1 wt% of TiO 2 , 0.5-1 wt% of ZnO, 0.02-0.04 wt% of K2O, 5-6 wt% Of Fe2O3, 12-15 wt% of MgO and 0.05-0.1 wt% of MnO.
[2] A multifunctional ceramic composition comprising 60-70 wt% of SiO , 15-20 wt% of Na 2 O, 1.0-1.5 wt% of B 2 O 3 , 0.
3-0.5 wt% of Li 2 O,
4-6 wt% of CaO,
5.0-6.0 wt% ofAl 2O 3, 0.01-0.05 wt% ofP 2O 5, 0.8-1.2 wt% ofTiO 2, 0.5-1 wt% of ZnO, 0.1-0.2 wt% of K 2 O, 0.5-1.0 wt% of Fe 2 O 3 , 0.5-1.0 wt% of MgO,
0.01-0.02 wt% of MnO and 0.01-0.02 wt% of Cr 2 O 3.
[3] The multifunctional ceramic composition according to claim 1 or 2, further comprising 5-25 parts by weight of ilmenite and/or 1-15 parts by weight of monazite, based on 100 parts by weight of the multifunctional ceramic composition of claim 1 or 2
[4] The multifunctional ceramic composition according to claim 3, which is produced by using a semi-solid forming or melting process at 1200-1500 0C.
[5] The multifunctional ceramic composition according to claim 4, which has a thermal expansion coefficient in around the range of 95x10 -110x10 .
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050078125A KR100717264B1 (en) | 2005-08-25 | 2005-08-25 | The multifuntional components of ceramics |
| KR10-2005-0078128 | 2005-08-25 | ||
| KR10-2005-0078125 | 2005-08-25 | ||
| KR20050078128 | 2005-08-25 |
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| WO2007024062A1 true WO2007024062A1 (en) | 2007-03-01 |
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| PCT/KR2006/002755 WO2007024062A1 (en) | 2005-08-25 | 2006-07-13 | Multifunctional ceramic compounds |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015029645A (en) * | 2013-08-01 | 2015-02-16 | 水澤化学工業株式会社 | Amorphous silica-zinc ammonia deodorizer |
| CN104355606A (en) * | 2014-10-29 | 2015-02-18 | 万利(中国)有限公司 | Corrosion resistant brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000034411A1 (en) * | 1998-12-07 | 2000-06-15 | Young Keun Kim | Composition of multipurpose far-infrared radiation material |
| JP2003321269A (en) * | 2002-02-28 | 2003-11-11 | Sanyu:Kk | Negative ion generating ceramic material and producing method therefor |
| US6824877B1 (en) * | 2001-08-31 | 2004-11-30 | John Howard Groth | Clay compositions and objects including clay compositions |
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2006
- 2006-07-13 WO PCT/KR2006/002755 patent/WO2007024062A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000034411A1 (en) * | 1998-12-07 | 2000-06-15 | Young Keun Kim | Composition of multipurpose far-infrared radiation material |
| US6824877B1 (en) * | 2001-08-31 | 2004-11-30 | John Howard Groth | Clay compositions and objects including clay compositions |
| JP2003321269A (en) * | 2002-02-28 | 2003-11-11 | Sanyu:Kk | Negative ion generating ceramic material and producing method therefor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015029645A (en) * | 2013-08-01 | 2015-02-16 | 水澤化学工業株式会社 | Amorphous silica-zinc ammonia deodorizer |
| CN104355606A (en) * | 2014-10-29 | 2015-02-18 | 万利(中国)有限公司 | Corrosion resistant brick |
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