Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1992-08-31
1995-10-24
Sluby, P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428215, 428333, 4284111, 428421, 428422, 428517, 428519, B32B 2730, B32B 1508, C08F27904
Patent
active
054608686
ABSTRACT:
There are disclosed a method for using a molding which comprises using a molding produced by thermoforming a sheet for thermoforming comprising a styrenic polymer having a high degree of syndiotactic configuration or a composition thereof in an atmosphere containing a chlorofluorohydrocarbon and also a method for using a molding which comprises using a molding produced by thermoforming a laminate comprising at least one surface layer of the above styrenic polymer or a composition thereof and an other layer of a thermoplastic resin or a composition thereof in an atmosphere the same as above-mentioned.
The moldings to be employed in the present invention are excellent in chemical resistance, solvent resistance and resistance against CFC and HCFC, and the sheet for thermoforming and the laminate are useful as the starting raw materials for the aforesaid molding.
According to the present invention, the moldings can be used without any problem as the inner liners of refrigerators (including internals inside door) in an atmosphere of chlorofluorohydrocarbon or in contact with heat-insulating material such as polyurethane foam, and the scrap resins at the time of molding can be recovered and readily reused.
REFERENCES:
patent: 5283117 (1994-02-01), Arai et al.
Database WPIL, AN-91-203016, JP-A-3 126 555, May 29, 1991.
Database WPIL, AN-91-202987, JP-A-3 126 521, May 29, 1991.
Fujii Atsushi
Mihara Masami
Yamato Hiroyasu
Idemitsu Kosan Co. Ltd.
Sluby P.
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