Method for preparing flame resistant polysiloxane foams and foam

Details Method for preparing flame resistant polysiloxane foams and foam Method for preparing flame resistant polysiloxane foams and foam

1983-01-03

1984-02-21

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 54, 521103, 521122, 521154, 523218, 523219, C08J 902

Patent

active

044330693

ABSTRACT:
Cured polyorganosiloxane foams exhibiting a uniquely high resistance to burn-through and disintegration when exposed to flames contain at least 0.1% by weight each, based on the weight of said foam, of at least one finely divided nonmetallic fibrous heat resistant material, at least one finely divided nonmetallic cellular heat resistant material, and at least 5 ppm of platinum in elemental or chemically combined form. The total concentration of heat resistant materials should not exceed 40%, based on the weight of the foam. This invention also provides a method for preparing flame retardant polyorganosiloxane foams.

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Kirk-Othmer Encyclopedia of Chemical Technology, Second Edition, Interscience Publishers, N.Y.

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