Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-08-08
1998-06-02
Glass, Margaret W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523420, 523425, 523435, 525476, 528 28, 428447, C08K 320
Patent
active
057601097
ABSTRACT:
Proposed is a novel organopolysiloxane composition in the form of a water-base emulsion suitable for use as a surface-coating agent on rubber articles such as automobile parts to impart excellent smoothness of the surface, abrasion resistance, adhesion to the rubber surface and so on. The composition comprises: (a) an organopolysiloxane having a viscosity of at least 10000 centipoise at 25.degree. C. and having a molecular structure consisting of the difunctional siloxane units and the trifunctional siloxane units terminated at each molecular chain end with a hydroxy group, in the form of an aqueous emulsion; (b) a hydrolysis-condensation product of an epoxy group-containing dialkoxy silane in the form of an aqueous emulsion; (c) a water-soluble organic amino compound having at least two amino groups in a molecule and containing no silicon atom; and (d) silicone rubber particles in the form of an aqueous dispersion, each in a specified weight proportion.
REFERENCES:
patent: 4981728 (1991-01-01), Homma et al.
patent: 5102960 (1992-04-01), Imai et al.
patent: 5527841 (1996-06-01), Inokuchi et al.
Inokuchi Yoshinori
Kuwata Satoshi
Glass Margaret W.
Shin-Etsu Chemical Co. , Ltd.
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