Foamed polyolefin film or sheet product

Details Foamed polyolefin film or sheet product Foamed polyolefin film or sheet product

1978-10-26

1981-02-17

Foelak, Morton

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428207, 428220, 428343, 521 81, 521 89, 521 92, 521134, 521149, 525221, 525222, 525227, 525239, B32B 330

Patent

active

042515840

ABSTRACT:
Disclosed is a film or sheet product comprising a closed cell foam comprised of a mixture of low density polyethylene and at least one ethylene polymer containing polar groups, and, optionally, a crystalline olefin polymer in which the mixture contains from about 0.025 to 1 percent by weight of said polar groups. Also disclosed is a method of making this film or sheet product and a wall covering material based thereon.

REFERENCES:
patent: 3810964 (1974-05-01), Ehrenfreund
patent: 4091136 (1978-05-01), O'Brien et al.
patent: 4102829 (1978-07-01), Watanabe et al.
patent: 4110269 (1978-08-01), Ehrenfreund

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