C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
154/116, 31/156,
C08L 63/00 (2006.01) C08G 59/22 (2006.01) C08G 59/24 (2006.01) C08G 59/38 (2006.01) C08G 59/68 (2006.01) C08K 5/57 (2006.01) C09D 5/25 (2006.01) H01B 3/40 (2006.01)
Patent
CA 1099448
45,346 EPOXIDES CONTAINING ORGANO-TIN COMPOUNDS AND ELECTRICAL MEMBERS INSULATED THEREWITH ABSTRACT OF THE DISCLOSURE A resinous composition is made by: admixing (1) an organo-tin compound, having the structural formula: R1R2R3SnX, where R1, R2 and R3 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 sub- stantial heating, and (3) a cycloaliphatic epoxide or a glycidyl ester epoxide; wherein the weight ratio of cyclo- aliphatic 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 elec- trical member.
251216
Kauffman Robert N.
Smith James D.b.
Mcconnell And Fox
Westinghouse Electric Corporation
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