Multi-layer film

Details Multi-layer film Multi-layer film

1984-10-19

1986-03-04

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428 35, 428354, 428349, 428516, 15624411, B32B 300

Patent

active

045741042

ABSTRACT:
The present invention relates to a multi-layer film comprising at least three layers of two outer layers and an intermediate layer sandwiched therebetween wherein the intermediate layer is formed of a resin composition of a high density polyethylene and an ethylene .alpha.-olefin copolymer, and the outer layers are formed of an ethylene .alpha.-olefin copolymer and at least one of the outer layers is formed of a resin composition of an ethylene .alpha.-olefin copolymer and a low density polyethylene.
The object of the present invention is to provide a multi-layer film having a high mechanical strength and superior in properties such as heat sealability, anti-blocking, and suitability for automatic packaging.

REFERENCES:
patent: 4346834 (1982-08-01), Mazumdar
patent: 4367841 (1983-01-01), Mazumdar
patent: 4399180 (1983-08-01), Briggs et al.

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