Method of making organo-silicon polymers having mono- and tetra-

Details Method of making organo-silicon polymers having mono- and tetra- Method of making organo-silicon polymers having mono- and tetra-

1992-08-20

1993-11-16

Shaver, Paul F.

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

Organic compounds

Silicon containing

556455, 556459, 528 12, C07F 708

Patent

active

052625583

ABSTRACT:
There is disclosed a method for making organo-silicon polymers from alkyldisiloxanes and alkylsilicates wherein the alkyl groups of the disiloxanes have two or more carbons. Gelling of the organo-silicon polymers is avoided by; first mixing the disiloxane with the alkylsilicate and adding thereto a strong protic acid; and, after reaction has occurred in the aforementioned mixture, adding thereto, in a drop-wise manner, a solution of hydrochloric acid.

REFERENCES:
patent: 4260715 (1981-04-01), de Montigny et al.
patent: 4611042 (1986-09-01), Rivers-Farrell et al.
patent: 4707531 (1987-11-01), Shirahata et al.
patent: 4855381 (1989-08-01), Mutoh et al.
patent: 5011962 (1991-04-01), Staiger et al.

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