Foamed polyester sheet and process for the production thereof

Details Foamed polyester sheet and process for the production thereof Foamed polyester sheet and process for the production thereof

1994-01-21

1994-11-01

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264 50, 521 79, 521138, 521180, 521182, C08J 904

Patent

active

053608291

ABSTRACT:
A foamed polyester sheet of this invention has uniform fine cells and a high foaming ratio. Particularly, a sheet containing a polycarbonate resin or a polyarylate resin is excellent in high-temperature stability. The foamed polyester sheet of this invention is suited for use requiring a high-temperature stability, such as a container for an electronic oven, etc.

REFERENCES:
patent: 4263409 (1981-04-01), Liberti
patent: 4544677 (1985-10-01), Allen et al.
patent: 4587272 (1986-05-01), Avakian et al.
patent: 4616042 (1986-10-01), Avakian
patent: 4683247 (1987-07-01), Allen et al.

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