Heat resistant breathable films

Details Heat resistant breathable films Heat resistant breathable films

1989-05-05

1994-03-22

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

4284763, 4284769, 428483, 428516, 428520, 428910, 428137, 428 352, 2641761, 426127, 156252, 156 87, B32B 310, B32B 3114, B32B 2708

Patent

active

052962911

ABSTRACT:
A multilayer laminate comprises a first perforated film of propylene homopolymer or copolymer, oriented heat set polyester or oriented heat set polyamide and a second film bonded to the first film and including a bonding layer of ethylene vinyl acetate copolymer or chemically modified ethylene unsaturated ester copolymer, a core layer of a heat resistant, breathable polymeric material, and an outer heat sealable layer. One or more filler layers may be included in the structure, located between the outer heat sealable layer and a polymeric adhesive layer.

REFERENCES:
patent: 4657610 (1987-04-01), Komatsu et al.
patent: 4935271 (1990-06-01), Schirmer

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