Method for reducing silicone foam density and silicone foam comp

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521122, 521 85, 521107, 521154, 521 91, 525478, 528 15, 528 31, 528 32, C08G 7700

Patent

active

048514527

ABSTRACT:
A method is provided for reducing the density of silicone foam from a platinum catalyzed foamable two-package mixture of vinyl organosiloxane, organohydrogen siloxane, and hydroxylated material. The platinum catalyst used in the foamable mixture is in the form of a mixture of a platinum vinyl siloxane and a platinum triarylphosphine. A platinum catalyst mixture of platinum vinylsiloxane and triarylphosphine also has been found effective.

REFERENCES:
patent: 3923705 (1975-12-01), Smith
patent: 4418157 (1983-11-01), Modic
patent: 4599367 (1986-07-01), Bauman et al.

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