Metallized breathable films prepared from melt embossed polyolef

Details Metallized breathable films prepared from melt embossed polyolef Metallized breathable films prepared from melt embossed polyolef

1988-09-29

1991-10-08

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428159, 4283179, 428403, 428457, 428461, 428698, 428910, 2642884, 2642888, B32B 302

Patent

active

050553380

ABSTRACT:
A breathable metallized polyolefin film is prepared by: melt embossing a highly filled polyolefin film to impose a pattern of different film thickness therein; stretching the melt embossed film to impart greater permeability in the area of reduced thickness in comparison to the areas of greater thickness; and coating the resulting stretched embossed film with a suitable metal.

REFERENCES:
patent: 4076698 (1978-02-01), Anderson et al.
patent: 4116892 (1978-09-01), Schwarz
patent: 4205021 (1980-05-01), Morita et al.
patent: 4350655 (1982-09-01), Hage
patent: 4472328 (1984-09-01), Sugimoto et al.
patent: 4585604 (1986-04-01), Okuyama et al.
patent: 4777073 (1988-10-01), Sheth

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