Organopolysiloxane foam composition

Details Organopolysiloxane foam composition Organopolysiloxane foam composition

1984-05-22

1985-01-08

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 82, 521 88, 521 91, 521 92, 521 93, 521 99, 521117, 521122, 521125, 521134, 521154, 528 15, 528 31, 528 32, C08J 902

Patent

active

044927754

ABSTRACT:
The flowability of foamable compositions comprising a hydroxyl-containing polyorganosiloxane, a polyorganosiloxane containing silicon-bonded hydrogen atoms, a platinum catalyst and a catalyst inhibitor is eliminated by including in the composition a solid filler exhibiting a mean particle size of one micron or less and either (1) organosilicon compound containing at least 0.5% by weight of carboxyl groups or silicon-bonded hydroxyalkyl groups, or (2) a partially esterified polyfunctional alcohol. In addition, the pot life of the composition is increased without adversely affecting the structure of the cured foam or the adhesion of the foam to various substrates.

REFERENCES:
patent: 3070555 (1962-12-01), Bruner, Jr.
patent: 3079349 (1963-02-01), Weyer
patent: 3425967 (1969-02-01), Modic
patent: 3428580 (1969-02-01), Nitzsche et al.
patent: 3923705 (1975-12-01), Smith

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