Primer for plastic films

Details Primer for plastic films Primer for plastic films

C - Chemistry, Metallurgy

08

K

C08K 5/04 (2006.01) C08K 5/07 (2006.01) C08K 5/17 (2006.01) C08L 29/04 (2006.01) C09D 129/04 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2280050

The invention relates to a primer for plastic films which comprises a blend of poly(vinyl alcohol) and an adhesion promoter, specifically poly(ethylene imine) and/or a hardened epoxy resin. The invention is useful to improve the oxygen barrier properties of a plastic film.

L'invention concerne un apprêt pour films plastiques qui comprend un mélange de poly(alcool de vinyle) et un promoteur d'adhésion, plus particulièrement poly(éthylène imine) et/ou une résine époxy durcie. L'invention peut servir à améliorer l'imperméabilité à l'oxygène d'un film plastique.

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