Blends of ethylene-alkyl acrylate copolymers with certain polyesters
AssigneeGulf Oil Corporation
InventorsKhalid A. Karim, James H. Rea
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Abstract
A compatible blend of polymers is disclosed and consists essentially of 100 parts by weight of an ethylene-alkyl acrylate copolymer and about 0.2 to 3 parts by weight of either poly(ethylene adipate) or poly(trimethylene adipate). The polymer blends have a lower sealing temperature than the ethylene-alkyl acrylate copolymer contained therein.
Claims11
A compatible blend of polymers consisting essentially of:
- (a) 100 parts by weight of an ethylene copolymer, and
- (b) About 0.2 to 3 parts by weight of a polyester resin;
- said ethylene copolymer having polymerized therein about 70 to 98 weight % of ethylene and the balance an alkyl ester of acrylic or methacrylic acid;
- said polyester being poly(ethylene adipate) or poly(trimethylene adipate).
A method for lowering the seal temperature of a film of an ethylene copolymer having polymerized therein about 70 to 98 weight % of ethylene and the balance an alkyl ester of acrylic or methacrylic acid which consists essentially of uniformly dispersing about 0.2 to 3 parts by weight of poly(ethylene adipate) or poly(trimethylene adipate) in 100 parts by weight of said ethylene copolymer.
Dependencies are inferred from the claim text.