Epoxides containing organo-tin compounds and electrical members

Details Epoxides containing organo-tin compounds and electrical members Epoxides containing organo-tin compounds and electrical members

1975-05-08

1977-04-26

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

174120SR, 252431R, 260 18PF, 260 783R, 428413, C08G 5924, C08G 5968

Patent

active

040200175

ABSTRACT:
A resinous composition is made by: admixing (1) an organo-tin compound, having the structural formula: R.sub.1 R.sub.2 R.sub.3 SnX, where R.sub.1, R.sub.2 and R.sub.3 are organic groups, and X is a halide, hydroxide, acetate, butyrate, propionate, or dimethyl phosphate group, effective as a latent catalyst, (2) an amount of a reactive low viscosity epoxide diluent effective to dissolve the organo-tin compound without substantial heating, and (3) a cycloaliphatic epoxide or a glycidyl ester epoxide; wherein the weight ratio of cycloaliphatic epoxide or glycidyl ester epoxide: reactive epoxide diluent is between about 1:0.10 to 1:0.90, in the epoxide mixture; and about 0.00005 part to 0.0005 part by weight of organo-tin compound is used for each 1 part by weight of epoxide mixture.
This resinous composition can be impregnated into a sheet material and cured to form insulation for an electrical member.

REFERENCES:
patent: 3244670 (1966-04-01), Puchala et al.
patent: 3379653 (1968-04-01), Ernst et al.
patent: 3622524 (1971-11-01), Markovitz et al.
patent: 3716598 (1973-02-01), Markovitz et al.
patent: 3792011 (1974-02-01), Smith et al.

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