Method for the preparation of alkoxy-containing organopolysiloxa

Details Method for the preparation of alkoxy-containing organopolysiloxa Method for the preparation of alkoxy-containing organopolysiloxa

1986-03-31

1987-04-14

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

525474, 525475, 525477, 528 34, 556457, 556458, 556470, C08G 7704

Patent

active

046580069

ABSTRACT:
A diorganopolysiloxane terminated at both molecular chain ends each with a monohydrocarbyl dialkoxy silyl group, which is useful as a base ingredient in room temperature-curable silicone rubber compositions, is prepared by first reacting a silanol-terminated diorganopolysiloxane with a monohydrocarbyl tri(ketoxime) silane to replace the silanolic hydroxy group with a monohydrocarbyl di(ketoxime) siloxy group and then reacting the oxime-terminated diorganopolysiloxane with a monohydric alcohol, e.g. methyl alcohol, to replace the ketoxime groups with alkoxy groups. The reactions can proceed under very mild conditions without any catalyst so that the desired alkoxy-terminated diorganopolysiloxane is obtained in a high purity.

REFERENCES:
patent: 3344160 (1967-09-01), Holbrook
patent: 4426480 (1984-01-01), Petty

Affiliated with

Also associated with

Rating

Method for the preparation of alkoxy-containing organopolysiloxa does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for the preparation of alkoxy-containing organopolysiloxa, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the preparation of alkoxy-containing organopolysiloxa will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1786843