Stabilizer and blowing agent useful for rigid foamed PVC

Details Stabilizer and blowing agent useful for rigid foamed PVC Stabilizer and blowing agent useful for rigid foamed PVC

1996-01-05

1997-11-11

Foelak, Morton

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

25240023, 521 89, 521 93, 521145, C08K 1510, C08K 1532, C08J 900

Patent

active

056860250

ABSTRACT:
Improved activation of the blowing agent used to form blown PVC products, as well as thermal stabilization, are provided by a combination of an ester of the formula

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patent: 4217258 (1980-08-01), Minagawa et al.
patent: 4255320 (1981-03-01), Brecker et al.
patent: 4576984 (1986-03-01), Bresser et al.
patent: 4698368 (1987-10-01), Muller
patent: 4977193 (1990-12-01), Croce et al.

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