Hydrosilylation of unsaturated aliphatic isocyanates

Details Hydrosilylation of unsaturated aliphatic isocyanates Hydrosilylation of unsaturated aliphatic isocyanates

1991-06-27

1992-10-20

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 28, 528 31, 556114, C08G 7706

Patent

active

051570955

ABSTRACT:
Disclosed herein are novel polyorganosiloxanes, both linear and cyclic, havingpendant thereon isocyanate groups derived from specific .alpha.,.alpha.-dimethyl isopropenyl benzyl isocyanates. Also disclosed is a method for production of said polyorganosiloxanes.
The disclosed polyorganosiloxanes are useful as crosslinking agents and as intermediates in the production of star polymers, starburst dendrimers, urethanes and ureas.

REFERENCES:
patent: 2823218 (1958-02-01), Speier et al.
patent: 2970150 (1961-01-01), Bailey

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