Phenylene group-containing organopolysiloxanes and method for th

Details Phenylene group-containing organopolysiloxanes and method for th Phenylene group-containing organopolysiloxanes and method for th

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, 556434, 528 9, 528 16, 528 17, 528 33, 528 34, 528 30, C07F 708, C07F 506, C07F 700, C07F 728

Patent

active

046458484

ABSTRACT:
Phenylene group-containing organopolysiloxanes formed of a plurality of identical or different units represented by the structural 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 R.sup.1 stands for --CH.sub.2 --CH.sub.2 -- or CH.sub.3 --CH< and the free valences of the oxygen atoms are saturated by silicon atoms of other groups of formula (1) and/or by cross-linking bridge groups. A process for the preparation of these polysiloxanes and the use thereof for the synthesis of carriers of active substances is also disclosed.

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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