Polyolefin barrier films for preventing solvent attack on plasti

Details Polyolefin barrier films for preventing solvent attack on plasti Polyolefin barrier films for preventing solvent attack on plasti

1990-12-20

1994-08-16

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

220444, 220467, 220902, 312406, 3124061, 428 71, 4283144, 428516, B32B 326

Patent

active

053386019

ABSTRACT:
This invention relates to the use of a barrier film, being a thermoplastic linear polyolefin resin, to protect a styrenic resin sheet which constitutes the inner liner wall of an insulative cabinet wall of, for example, a refrigeration appliance unit from attack by the halogen-containing blowing agents present in the insulative polyurethane foam found within the cabinet wall. Preferred thermoplastic linear polyolefin resins are linear low density polyethylene.

REFERENCES:
patent: 3091946 (1963-06-01), Kesling
patent: 3533901 (1970-10-01), Sutker
patent: 3608006 (1971-09-01), Hosoda et al.
patent: 3960631 (1976-06-01), Weiss et al.
patent: 4707401 (1987-11-01), Benford

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