Polymeric composition comprising transient foam control agent

Details Polymeric composition comprising transient foam control agent Polymeric composition comprising transient foam control agent

1992-08-03

1993-02-23

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 81, 521 88, 521 95, 521 97, 521146, 521139, 521 57, 264 53, C08J 908, C08J 910, C08J 914

Patent

active

051890712

ABSTRACT:
A foamable composition comprising an alkenyl aromatic polymer, blowing agent and a transient foam control agent that is effective to reduce polymer melt viscosity in the melt phase but nonmiscible and nondetrimental to the solid polymer.

REFERENCES:
patent: 2532242 (1950-11-01), Ott
patent: 3293196 (1966-12-01), Nakamori
patent: 4042541 (1977-08-01), Watts
patent: 4486550 (1984-12-01), Rhoads
patent: 4520136 (1985-05-01), Schwarz

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