Organopolysiloxanes having Si-bonded hydrogen and SiC-bonded epo

Details Organopolysiloxanes having Si-bonded hydrogen and SiC-bonded epo Organopolysiloxanes having Si-bonded hydrogen and SiC-bonded epo

1985-08-09

1986-11-25

Page, Thurman K.

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

Synthetic resins

From silicon reactant having at least one...

427387, 528 10, 528 12, 528 15, 528 32, 528 43, C08G 7712

Patent

active

046250107

ABSTRACT:
Novel organopolysiloxanes are described in which the organopolysiloxanes are terminated by units of the formula R.sub.3 SiO.sub.1/2 and comprise units of the formulas RR.sup.1 SiO, RR.sup.2 SiO, RR.sup.3 SiO, RHSiO and R.sub.2 SiO, where R represents the same or different alkyl radicals having from 1 to 4 carbon atoms per radical, or phenyl radicals, R.sup.1 represents the same or different alkyl radicals having at least 6 carbon atoms per radical, R.sup.2 represents the same or different aralkyl radicals and R.sup.3 represents the same or different, SiC-bonded, monovalent organic radicals having at least one vicinal epoxy group per radical. These organopolysiloxanes are preferably prepared by reacting organopolysiloxanes which contain units of the formulas R.sub.3 SiO.sub.1/2 and RHSiO and optionally units of the formula R.sub.2 SiO, wherein R is the same as above, with an organic compound that has a terminal C.dbd.C-bond and at least one vicinal epoxy group per molecule, at least one alkene having at least 6 carbon atoms per molecule, and at least one aralkene in the presence of a catalyst which promotes the addition of Si-bonded hydrogen to the aliphatic C.dbd.C bond. These organopolysiloxanes may be applied simultaneously with a polymer having perfluoroalkyl groups with at least 3 carbon atoms per alkyl group to fibers to render them oil and water repellent.

REFERENCES:
patent: 4004059 (1977-01-01), Deiner et al.
patent: 4046930 (1977-09-01), Johnson et al.
patent: 4083856 (1978-04-01), Mendicino
patent: 4533477 (1985-08-01), Preiner et al.
patent: 4537944 (1985-08-01), Imai et al.
patent: 4546164 (1985-10-01), Shen et al.

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