Electrically insulating paint composition and cured product ther

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524862, 524786, 524847, 524779, 524785, 524780, 524783, 524789, 524791, C08K 310, C08K 336, C08L 8307

Patent

active

052199215

ABSTRACT:
An electrically insulating paint composition which is curable at low temperatures from about 60.degree. C. to about 100.degree. C., which comprises (A) an alkenyl group-containing, silanol group-free organopolysiloxane which is a copolymer of three kinds of siloxane units represented by the same general formula (R.sup.1).sub.a SiO.sub.(4-a)/2, wherein R.sup.1 represents an unsubstituted or substituted monovalent hydrocarbon residue, and a's in three different units represent 0, 1 and 3 respectively, said copolymer containing at least two alkenyl groups in a molecule; (B) an organopolyhydrogensiloxane which is a homo- or copolymer containing at least one siloxane unit represented by the general formula (R.sup.2).sub.b SiO.sub.(4-b)/2, wherein R.sup.2 represents hydrogen or an unsubstituted or substituted monovalent hydrocarbon residue, and b satisfies a relation 0.ltoreq.b.ltoreq.3, said homo- or copolymer containing at least not less than two hydrogen atoms bonded directly to silicon atoms in a molecule; (C) a catalytic amount of platinum compound, and (D) an inorganic powder material comprising one or more of a metallic oxide and/or one or more of a metallic double oxide.

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