C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 161/28 (2006.01) B65D 81/24 (2006.01) C08J 7/04 (2006.01) C09D 7/12 (2006.01) C09D 133/00 (2006.01)
Patent
CA 2362949
A water-borne gas barrier coating composition for polymeric films and shaped containers, including a two-layer coating system with a laminar layer mineral selected from montmorillonite, laponite, organo-montmorillonite and mixtures thereof, in the gas barrier layer, which is particularly well suit for spray application to biaxially oriented injection stretch blow molded PET bottles for carbonated beverages and beer.
Cette invention concerne un revêtement étanche aux gaz, hydrophile, pour films polymères et récipients en forme. Cette composition, qui comprend un revêtement double couche, dont une couche minérale stratifiée montmorillonite, laponite, organo-montmorillonite et mélanges de ces substances - incluse dans la couche d'étanchéité aux gaz, convient tout particulièrement bien en vaporisation sur des bouteilles en PET obtenues par injection-soufflage avec bi-étirage à orientation biaxiale et destinées à des boissons gazéifiées et à la bière.
Barsotti Robert J.
Winter Derek John
E.i. Du Pont de Nemours And Company
Torys Llp
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