Phenylene group-containing organopolysiloxanes modified with fun

Details Phenylene group-containing organopolysiloxanes modified with fun Phenylene group-containing organopolysiloxanes modified with fun

1986-05-21

1987-02-24

Shaver, Paul F.

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

Organic compounds

Heavy metal containing

556 10, 556405, 556434, 528 9, 528 16, 528 17, 528 33, 528 34, C07F 708, C07F 700, C07F 728, C07F 506

Patent

active

046458476

ABSTRACT:
Functionalized phenylene group-containing organopolysiloxanes, comprising a plurality of identical or different units of the formula: ##STR1## where in each case all three possible isomers in relation to the position of the SiO.sub.3/2 --R.sup.1 substituents on the phenylene group can be present concurrently, in which the bridge groups R.sup.1 represent the groups --CH.sub.2 --CH.sub.2 -- or CH.sub.3 --CH<, X represents Cl, Br, CH.sub.2 Cl, P(C.sub.6 H.sub.5).sub.2, and Ch.sub.2 P(C.sub.6 H.sub.5).sub.2, and the free valences of the oxygen atoms are saturated by silicon atoms of other groups of formula (1) and/or by cross-linking agents. Also disclosed is a process for the preparation of said polysiloxanes.

REFERENCES:
patent: 3209018 (1965-09-01), Merker
patent: 3304320 (1967-02-01), Spencer
patent: 4442040 (1984-04-01), Panster et al.

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