Organopolysiloxane and method for its preparation

Details Organopolysiloxane and method for its preparation Organopolysiloxane and method for its preparation

1990-08-15

1991-08-20

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708

Patent

active

050415913

ABSTRACT:
The present invention provides an organohydrogenpolysiloxane which does not have an average chemical structure as encountered with organopolysiloxanes prepared by equilibration polymerization reactions, but rather which has a clear, defined chemical structure in which the position and number of silicon-bonded hydrogen groups is clearly defined. The organopolysiloxane has a branched structure in the vicinity of one terminal of the molecular chain and has the silicon-bonded hydrogen group at each of the resulting derivative terminals. The organopolysiloxanes can be addition-reacted with, for example, organic compounds having various functional groups to give organopolysiloxane having two organofunctional groups clustered at one terminal.

REFERENCES:
patent: 3440214 (1969-04-01), Quaal
patent: 3445495 (1969-05-01), Nelson
patent: 3455878 (1969-07-01), Quaal
patent: 3819674 (1974-06-01), Rudolph et al.
patent: 4057566 (1977-11-01), Carter et al.
patent: 4900779 (1990-02-01), Liebfried

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