Process for the manufacturing of acrylic organopolysiloxanes

Details Process for the manufacturing of acrylic organopolysiloxanes Process for the manufacturing of acrylic organopolysiloxanes

1992-12-28

1994-03-08

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 34, 526279, C08G 7706

Patent

active

052928497

ABSTRACT:
This invention enables the selective and easy manufacturing of acrylic organopolysiloxanes which are cured by the irradiation of UV light, by the reaction of the hydroxyl group containing organosilicon compounds (A) of formula (1): ##STR1## wherein each R.sup.1 independently is a substituted or an unsubstituted monovalent hydrocarbon group, and n designates integers from 1 to 10,000 with the acrylic group containing silane compounds (B) of formula (2): ##STR2## wherein each R.sup.2 and R.sup.3 independently is a substituted or an unsubstituted monovalent hydrocarbon group, R.sup.4 is either a hydrogen atom or a methyl group, and each of a and b is an integer from 1 to 3, in the presence of a divalent tin compound of formula (3):

REFERENCES:
patent: 4528081 (1985-07-01), Lien et al.
patent: 4675346 (1987-06-01), Lin et al.
patent: 4818891 (1989-04-01), Drinkwater

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