Production of plastic foam material

Details Production of plastic foam material Production of plastic foam material

1988-06-28

1990-04-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 92, 521124, 521125, 525 48, C08L 6700

Patent

active

049181130

ABSTRACT:
A process for producing an unsaturated resin solution suitable for reaction with a catalyst, water, and a gas releasing salt and a gas-release control agent to produce plastic foam material includes providing an initial unsaturated resin solution with a predetermined relatively low acid value, and mixing the initial unsaturated resin solution with a half-ester to raise the acid value to a predetermined higher value.

REFERENCES:
patent: 3232893 (1966-02-01), Salgado et al.

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