Silyl phosphonate as stabilizing agent for polydiorganosiloxanes

Details Silyl phosphonate as stabilizing agent for polydiorganosiloxanes Silyl phosphonate as stabilizing agent for polydiorganosiloxanes

1995-05-08

1996-01-02

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 708

Patent

active

054810140

ABSTRACT:
A method for stabilizing a mixture comprising polydiorganosiloxane and an alkali metal. The method comprises contacting a silyl phosphonate described by formula R.sup.1.sub.a (OH).sub.b (OSiR.sup.2.sub.3).sub.3-a-b P.dbd.O, where each R.sup.1 and R.sup.2 is an independently selected hydrocarbyl radical comprising less than about twelve carbon atoms, a=1 or 2, b=0 or 1, and a+b=1 or 2, with a polydiorganosiloxane and an alkali metal.

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