Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1992-09-21
1993-11-23
Sluby, P. C.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428331, 428387, 428517, 428519, 525 98, B32B 2708, C08L 5302
Patent
active
052642801
ABSTRACT:
This invention relates to a multilayer thermoformable structure comprising (A) at least one cap layer and (B) at least one core layer, and polymer compositions for making the same. The multilayer structures and polymer compositions of the invention are useful in preparing thermoformed articles and are particularly useful in preparing liners for refrigerators and freezers. The multilayer structures and the polymer composition have good thermoformability and chemical resistance. The multilayer structures and the polymer composition have good surface properties including a glossy finish. Further these materials are compatible with new blowing agents, such as the hydrochlorofluorocarbons and hydrofluorocarbon blowing agents, which are more environmentally friendly. The layers of the multilayer structure do not require a glue layer.
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Chundury Deenadayalu
Dean Jr. Anthony F.
Leonard Berdine L.
McAllister Randall S.
Scheibelhoffer Anthony S.
Ferro Corporation
Sluby P. C.
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