Composite materials and top materials for retort container

Details Composite materials and top materials for retort container Composite materials and top materials for retort container

1988-04-28

1990-05-22

Ives, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428215, 428323, 428349, 4284758, 428516, 428518, 428520, 428910, 220DIG14, 220260, B32B 2700, B65D 500

Patent

active

049276778

ABSTRACT:
Composite materials for retort container comprising a biaxially stretched film of a copolymer of vinylidene chloride and an acrylic ester and a polypropylene film formed on one or both sides of the biaxially stretched film. On the polypropylene film may be further formed a talc-blended or odorless polypropylene film directly or on another polypropylene film. Top materials for the container comprise a biaxially stretched film of the vinylidene-acrylic ester copolymer, a sequential biaxially stretched film of nylon 6 formed on one side of the biaxially stretched film, and a heat-sealable heat-resistant plastic film formed on the other side.

REFERENCES:
patent: 4407873 (1983-10-01), Christensen et al.

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