C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
117/201, 402/403
C08F 214/10 (2006.01) B32B 27/08 (2006.01) C08J 7/04 (2006.01)
Patent
CA 1083749
ABSTRACT OF THE DISCLOSURE Copolymers comprising at least about 88 weight % vinylidene chloride, about 2 to 4 weight % methacrylonitrile, about 3 to 6 weight % methyl methacrylate, and less than about 5 weight % methacrylic acid, the weight ratio of meth- acrylonitrile to methyl methacrylate being less than 1, use- ful as heat-sealable barrier coatings for transparent packag- ing films such as regenerated cellulose and polyester.
267687
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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