The present invention provides barrier films having reduced gas permeability for use in packaging and coating applications. The barrier films comprise an anisotropic liquid crystalline composite layer formed from phyllosilicate-polymer compositions. Phyllosilicate-polymer liquid crystalline compositions...http://www.google.co.uk/patents/US7214734?utm_source=gb-gplus-sharePatent US7214734 - Liquid crystalline composites containing phyllosilicates
