Endothermic blowing agents compositions and applications

Details Endothermic blowing agents compositions and applications Endothermic blowing agents compositions and applications

1991-04-22

1992-04-21

Foelak, Morton

Compositions

Preservative agents

Anti-corrosion

25218312, 521 91, 521 92, 521145, 521146, 521 57, 521 97, 521 76, C09K 300

Patent

active

051065347

ABSTRACT:
A stabilized powdered endothermic blowing agent which is a mixture of a polycarboxylic acid and an inorganic carbonate, the polycarboxylic acid and inorganic carbonate each having been surface treated with a component which prevents water from being absorbed thereby. The blowing agent is incorporated into a polymeric concentrate used for producing foamed products.

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