Gas-barrier coated films, sheets or foils and method of...

Details Gas-barrier coated films, sheets or foils and method of... Gas-barrier coated films, sheets or foils and method of...

B - Operations, Transporting

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B32B 15/08 (2006.01) B05D 1/00 (2006.01) B05D 7/24 (2006.01) B32B 27/08 (2006.01) C08G 12/08 (2006.01) C08G 69/32 (2006.01) C08G 73/00 (2006.01) C08G 73/08 (2006.01) C08G 73/10 (2006.01) C08G 73/14 (2006.01) C08J 7/04 (2006.01)

Patent

CA 1071035

CANADIAN SERIAL NO> 243 64g E.I. du Pont de Nemours and Compary (Angelo, R.J., Blomberg, R,N. Boettcher, F.P., Ike,da, R.M. & Sauela, M,R. ) ABSTRACT OF THE DISCLOSURE Films, sheets or foils are given a gas-barrier coating of an aromatic polyamide, polyimide, polyamide-imide, polyhydrazide, polyamide-hydrazide, or polyazomethine by direct vapor-phase condensation polymerization of their re- spective monomers. The monomers are introduced in an inert diluent gas, mixed and reacted in the presence of the surface to be coated. The surface is maintained above the critical minimum deposition temperature of the monomers but below about 300°C. The coating is formed to a thickness between about 0.1 and 0.6 mil.

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