Closure material for sealing glass containers

Details Closure material for sealing glass containers Closure material for sealing glass containers

1985-02-22

1987-08-11

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428323, 428344, 428349, 428355, 428356, 428461, B32B 1508, B32B 2700

Patent

active

046861335

ABSTRACT:
A closure material for sealing glass containers comprising a metal foil and a thermally adhesive composition layer formed on one surface of the metal foil and comprising a carboxyl-modified saponified product of ethylene-vinyl acetate copolymer and up to 30 parts by weight of an inorganic compound per 100 parts by weight of the carboxyl-modified saponified product, the carboxyl-modified saponified product being prepared by graft-polymerizing a carboxylic acid group-containing unsaturated compound with a saponified product of ethylene-vinyl acetate copolymer containing 50 to 97 mole % of ethylene.

REFERENCES:
patent: 4358493 (1982-11-01), Ohtsuki et al.
patent: 4390552 (1983-06-01), Niwa
patent: 4407689 (1983-10-01), Ohtsuki et al.
patent: 4442129 (1984-04-01), Niwa et al.

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