Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1994-02-14
1996-12-10
Dean, Ralph H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
525 27, 525 31, 549215, C08G 7708
Patent
active
055831940
ABSTRACT:
The invention provides a method for making a curable epoxysilicone composition through the hydrosilation reaction between an ethylenically unsaturated epoxide and an SiH-containing silicone to produce an epoxysilicone product, and catalyzed by a quaternary ammonium, phosphonium or arsonium hexahaloplatinate which does not promote the oxirane ring-opening reaction of either the ethylenically unsaturated epoxide starting material or the epoxysilicone product. The invention also provides for a curable epoxysilicone composition made by the above method.
REFERENCES:
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patent: 4717238 (1986-10-01), Crivello et al.
patent: 5128431 (1992-07-01), Riding
Iovel, I. G. et al., "Quaternary Onium Hexachloroplatinates: Novel Hydrosilytion Catalysts," Organometallics, vol. 6 pp. 1410-1413 (1987).
International Polymer Science & Technology vol. 16, No. 7, 1989.
Chemical Abstract, vol. 110 8268D (1989).
Chemical Abstract, vol. 109 149782h Journal of Polymer Sci, Vol. 28, pp.484-486.
Crivello James V.
Fan Mingxin
Dean Ralph H.
General Electric Company
Wheelock Kenneth S.
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