Barrier films for preventing solvent attack on plastic resins

B - Operations – Transporting – 32 – B

Patent

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B32B 5/20 (2006.01) B32B 27/36 (2006.01) F25D 23/06 (2006.01)

Patent

CA 2058434

2058434 9115366 PCTABS00007 This invention relates to the use of a barrier film consisting essentially of thermoplastic copolymer polyester 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.

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