Organopolysiloxane

Details Organopolysiloxane Organopolysiloxane

1997-10-17

1999-11-09

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 31, 528 32, 526279, C08G 7708

Patent

active

059816791

ABSTRACT:
The present invention provides an organopolysiloxane having acryloyl groups or methacryloyl groups at both terminals thereof, where silicon atoms at both terminals of the organopolysiloxane are each independently added to double bonds each of acryloyl groups or methacryloyl groups of compounds each having at least two acryloyl groups or methacryloyl groups; a curable resin composition comprising such an organopolysiloxane; and a process for producing such an organopolysiloxane comprising adding a compound having at least two acryloyl groups or methacryloyl groups to an organopolysiloxane having SiH groups at only both terminals thereof. The curable resin composition has distinguished transparency, luster, peelability, surface lubricity and water and oil repellency, and therefore is useful as a resin for mold-releasable paper, a coating agent, an anticorrosive agent for printed substrate, etc.

REFERENCES:
patent: 4301268 (1981-11-01), Kropac
patent: 5057578 (1991-10-01), Spinelli
patent: 5331067 (1994-07-01), Seidner et al.
Kokko, Bruce J., "Silicon acrylated through the hydrosilation of polyacryloyloxy functional monomers with copolymers of dimethyl and hydrogen methysiloxanes.", Jour. App. Poly. Sci., vol. 47, pp. 1309-1314 (1993).

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