Foamable molding compositions

Details Foamable molding compositions Foamable molding compositions

1987-06-19

1988-04-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 79, 521 81, 521 94, 521134, 521138, 521139, 525148, 525170, C08J 906

Patent

active

047375230

ABSTRACT:
Foamable, thermoplastic molding composition exhibiting an improved level of impact resistance is provided. The composition, which is suitable for the preparation of expanded molded parts, comprise a thermoplastic resin, preferably at least one selected from a group consisting of polycarbonate, polyalkylene terephthalate, aromatic polyester and polyester carbonate, a nucleating agent, a chemical blowing agent and an anhydride. It was unexpectedly found that the composition is suitable for the molding of articles having an improved level of impact resistance.

REFERENCES:
patent: 3586658 (1971-06-01), Wooster
patent: 3888801 (1975-06-01), Hunter et al.
patent: 4207402 (1980-06-01), Sprenkle, Jr.
patent: 4312958 (1982-01-01), Di Guilio
patent: 4323655 (1982-04-01), Di Guilio
patent: 4378449 (1983-03-01), Witman
patent: 4420584 (1983-12-01), Rawlings et al.

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