Method of making organosilbutadiyne polymers

Details Method of making organosilbutadiyne polymers Method of making organosilbutadiyne polymers

1990-06-13

1991-04-30

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708

Patent

active

050119613

ABSTRACT:
Organosilbutadiyne polymers having the general formula R'-[(R).sub.2 Si--C.tbd.C--C.tbd.C].sub.n -(R).sub.2 SiR' wherein R is a hydrogen atom, a hydrocarbon group or a substituted hydrocarbon group, R' is hydroxyl, halogen or R and n is an integer, are made by (A) reacting HC.tbd.C--C.dbd.CH--OZ with alkyllithium in a molar ratio of 1:3 wherein Z denotes an alkyl group having up to 6 carbon atoms followed by (B), further reacting the product of (A) with one or more dihalosilanes.

REFERENCES:
patent: 3758541 (1973-09-01), Chandra et al.
patent: 4814472 (1989-03-01), Lau
patent: 4921989 (1990-05-01), Ishihara et al.
Chwary et al., "J.A.C.S.", 95, No. 10, 1973, pp. 3324-3330.
West et al., "J.A.C.S.", 93, No. 7, 1971, pp. 1720-1724.

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