Silicone rubber particles coated with silicone resin

Details Silicone rubber particles coated with silicone resin Silicone rubber particles coated with silicone resin

1994-12-23

1996-07-23

Dean, Ralph H.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428447, 525477, B32B 2700

Patent

active

055387934

ABSTRACT:
Proposed is a powder of silicone rubber having improved flowability and dispersibility consisting of particles of a cured silicone rubber of which each particle has a coating layer of a polyorganosilsesquioxane resin in a specified coating amount. The powder is prepared by the admixture of an aqueous dispersion of a cured silicone rubber particles, which is preferably prepared by the hydrosilation reaction between a vinyl group-containing organopolysiloxane and an organohydrogen polysiloxane emulsified in an aqueous medium, with a trialkoxy silane compound such as methyl trimethoxy silane together with an alkaline compound, e.g., ammonia water, under agitation so that the hydrolysis-condensation reaction of the trialkoxy silane compound proceed to form a coating layer on the surface of the silicone rubber particles.

REFERENCES:
patent: 4742142 (1988-03-01), Shimizu et al.
patent: 4761454 (1988-08-01), Oba
patent: 5034476 (1991-07-01), Saito et al.
patent: 5106922 (1992-04-01), Saito et al.

Affiliated with

Also associated with

Rating

Silicone rubber particles coated with silicone resin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Silicone rubber particles coated with silicone resin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Silicone rubber particles coated with silicone resin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-711711