CA1023499A - Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation - Google Patents

Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation

Info

Publication number
CA1023499A
CA1023499A CA198,292A CA198292A CA1023499A CA 1023499 A CA1023499 A CA 1023499A CA 198292 A CA198292 A CA 198292A CA 1023499 A CA1023499 A CA 1023499A
Authority
CA
Canada
Prior art keywords
preparation
methods
prepared therefrom
composite foam
foam structures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA198,292A
Other languages
French (fr)
Inventor
John E. Peterson
James W. Johnson
Charles Reich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1023499A publication Critical patent/CA1023499A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
    • C08G18/025—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only the polymeric products containing carbodiimide groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/246—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using polymer based synthetic fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/248—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using pre-treated fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901—Cellular polymer containing a carbodiimide structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
    • Y10T428/249998—Indefinite plurality of similar impregnated thin sheets [e.g., "decorative laminate" type, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
CA198,292A 1973-05-11 1974-04-26 Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation Expired CA1023499A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359526A US3859162A (en) 1973-05-11 1973-05-11 Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation

Publications (1)

Publication Number Publication Date
CA1023499A true CA1023499A (en) 1977-12-27

Family

ID=23414195

Family Applications (1)

Application Number Title Priority Date Filing Date
CA198,292A Expired CA1023499A (en) 1973-05-11 1974-04-26 Pre-preg materials, chemically integral composite foam structures prepared therefrom, and methods of preparation

Country Status (5)

Country Link
US (1) US3859162A (en)
JP (1) JPS5015877A (en)
CA (1) CA1023499A (en)
DE (1) DE2422795A1 (en)
GB (1) GB1478332A (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994837A (en) * 1974-10-02 1976-11-30 Basf Wyandotte Corporation Urethane-modified carbodiimide-isocynurate foams prepared from TDI-rich isocyanates
DE2456813A1 (en) * 1974-11-30 1976-06-10 Freudenberg Carl Fa HYDROPHILIC POLYURETHANE-BASED FOAM
JPS621714A (en) * 1985-06-28 1987-01-07 Nisshinbo Ind Inc Thermosetting resin and production thereof
JPS61235414A (en) * 1985-03-29 1986-10-20 Nisshinbo Ind Inc Thermosetting resin and its production
JPS61235415A (en) * 1985-04-12 1986-10-20 Nisshinbo Ind Inc Thermosetting resin and its production
JPH0745582B2 (en) * 1986-12-25 1995-05-17 日清紡績株式会社 Method for manufacturing prepreg with high heat resistance
US5284700A (en) * 1987-11-09 1994-02-08 Owens-Corning Fiberglas Corporation Fire-resistant mineral fibers, structures employing such mineral fibers and processes for forming same
US5256476A (en) * 1989-11-02 1993-10-26 Kuraray Chemical Co., Ltd. Fan blade comprising adsorbent particles, fine plastic particles and reinforcing fibers
JPH0641423A (en) * 1991-06-21 1994-02-15 Nisshinbo Ind Inc Pulplike composite and production thereof
JP2613568B2 (en) * 1994-11-21 1997-05-28 日清紡績株式会社 Method for producing C / C composite
JPH09111011A (en) * 1996-05-20 1997-04-28 Nisshinbo Ind Inc Hot-pressed article of laminated prepreg having high heat resistance
US6692802B1 (en) * 1997-08-27 2004-02-17 Reichhold, Inc. Resins for lining surfaces
US5925409A (en) * 1997-08-27 1999-07-20 Reichhold, Inc. Resins for lining surfaces
US6350513B1 (en) 1997-10-08 2002-02-26 Mcdonnell Douglas Helicopter Company Low density structures having radar absorbing characteristics
CA2330083C (en) 2000-01-07 2010-04-13 Jas. D. Easton, Inc. Hockey stick
US7963868B2 (en) * 2000-09-15 2011-06-21 Easton Sports, Inc. Hockey stick
CA2357331C (en) * 2000-09-15 2010-07-20 Jas D. Easton, Inc. Hockey stick
US7041355B2 (en) * 2001-11-29 2006-05-09 Dow Global Technologies Inc. Structural reinforcement parts for automotive assembly
CA2482168A1 (en) * 2002-04-15 2003-10-30 Dow Global Technologies Inc. Improved vehicular structural members and method of making the members
CA2509629A1 (en) * 2002-12-27 2004-07-22 Dow Global Technologies Inc. Heat activated epoxy adhesive and use in a structural foam insert
BRPI0407657A (en) * 2003-03-05 2006-03-14 Dow Global Technologies Inc structural reinforcement article and process for preparing it
US7232386B2 (en) * 2003-05-15 2007-06-19 Easton Sports, Inc. Hockey stick
US20070122616A1 (en) * 2005-11-30 2007-05-31 Lawson Eric N Panel containing bamboo and cedar
US20070116940A1 (en) * 2005-11-22 2007-05-24 Ou Nian-Hua Panel containing bamboo
US7459206B2 (en) * 2005-08-31 2008-12-02 Huber Engineered Woods Llc Panel containing highly-cutinized bamboo flakes
US20070049152A1 (en) * 2005-08-31 2007-03-01 Ou Nian-Hua Panel containing bamboo
US20090263617A1 (en) * 2005-08-31 2009-10-22 Huber Engineered Woods Llc Panel containing bamboo
US7625631B2 (en) * 2005-08-31 2009-12-01 Huber Engineered Woods Llc Wood panel containing inner culm flakes
WO2007059335A2 (en) * 2005-11-16 2007-05-24 Easton Sports, Inc. Hockey stick
US8042315B2 (en) * 2007-09-14 2011-10-25 Spectrum Aeronautical, Llc Reinforced composite panel
US7914403B2 (en) * 2008-08-06 2011-03-29 Easton Sports, Inc. Hockey stick
DE102009034090A1 (en) * 2009-07-21 2011-01-27 MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. Process for the preparation of inorganic resins based on hydrogen-free, polymeric isocyanates for the preparation of nitridic, carbidic and carbonitridic networks and their use as protective coatings
US10377093B2 (en) * 2015-01-06 2019-08-13 Gear Box Panel structure with foam core and methods of manufacturing articles using the panel structure
US20160303445A1 (en) * 2015-04-15 2016-10-20 True Temper Sports, Inc. Hockey stick having reinforced core structure
GB2620760A (en) 2022-07-20 2024-01-24 Lignutech Oy Process to produce a functional pre-preg mat from ligno-cellulosic materials

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941966A (en) * 1956-08-27 1960-06-21 Du Pont Carbodiimide polymers
US3657161A (en) * 1967-10-31 1972-04-18 Baychem Corp Polycarbodiimide-polyisocyanurate foam
US3723364A (en) * 1971-03-01 1973-03-27 Upjohn Co Copolymer foams containing isocyanurate,carbodiimide and either amideor imide linkages
DE2127502A1 (en) * 1971-06-03 1972-12-28 Bayer Process for the production of plastics which may contain cellular isocyanurate groups

Also Published As

Publication number Publication date
DE2422795A1 (en) 1974-11-28
GB1478332A (en) 1977-06-29
US3859162A (en) 1975-01-07
JPS5015877A (en) 1975-02-19

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