Flame-resistant polyorganosiloxane compound containing hollow gl

Details Flame-resistant polyorganosiloxane compound containing hollow gl Flame-resistant polyorganosiloxane compound containing hollow gl

1992-01-24

1993-11-16

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523218, C08J 932

Patent

active

052624544

ABSTRACT:
A flame-resistant, hardenable polyorganosiloxane compound is described with a content of 2 to 40 weight % hollow glass balls with an outside diameter of up to 200 .mu.m and 3 to 50 weight % of an inorganic intumescent compound which expands at a temperature from 80.degree. to 250.degree. C. The preferred intumescent compound is expandable graphite. The compound can replace the previous compounds provided with polyhalogenated diphenyl compounds in fireproof windows.

REFERENCES:
patent: 3957717 (1976-05-01), Harada et al.
patent: 4266039 (1981-05-01), Hons-Olivier et al.
patent: 4433069 (1984-02-01), Harper

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