Hydrosilylation process

Details Hydrosilylation process Hydrosilylation process

1992-11-23

1993-12-14

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

556479, C08G 7706

Patent

active

052704246

ABSTRACT:
Process for preparing organosilicon compounds having silicon-bonded groups containing olefinic unsaturation by reaction of a silicon compound having SiH groups with a diene having at least 5 carbon atoms and in which the unsaturation is located at the terminal carbon atoms. The process is carried out in the presence of a catalyst which has been prepared by reacting (i) an inorganic solid having surface reactive groups, (ii) an organosilicom compound having a group reactive with the inorganic solid and a group containing nitrogen and/or sulphur and (iii) a platinum compound or complex PtLb in which L is a ligand.
Products have reduced content of isomers resulting from migration of double bond to internal position.

REFERENCES:
patent: 2823218 (1958-02-01), Speier et al.
patent: 4503160 (1985-03-01), Williams, Jr.

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