Self-extinguishing, track-resistant epoxy resin moulding...

Details Self-extinguishing, track-resistant epoxy resin moulding... Self-extinguishing, track-resistant epoxy resin moulding...

H - Electricity

01

B

400/4008, 400/50

H01B 3/40 (2006.01) C08G 59/10 (2006.01) C08G 59/62 (2006.01) C08K 3/22 (2006.01) C08K 3/32 (2006.01) C08L 63/00 (2006.01)

Patent

CA 1270590

Self-extinguishing, track-resistant epoxy resin moulding composition and use thereof Abstract of the Disclosure The invention relates to epoxy resin moulding compositions containing (a) at least one epoxy resin adduct of a low molecular diglycidyl ether of a bisphenol and an aromatic or cycloaliphatic diamine that contains not less than 2.0 epoxide equivalents/kg of resin, (b) at least one aromatic polyol containing more than 5 hydroxyl equivalents/kg of polyol as hardener, the amount of said hardener being such that the content of hydroxyl groups is 0.5 to 0.8 per epoxy group, (c) at least one curing accelerator, (d) up to 70 % by weight of aluminium hydroxide, and (e) 1-20 % by weight of a calcium phosphate, the amount of components (d) and (e) together being not more than 85 % by weight and the percentages by weight being based on the total weight of the epoxy resin moulding composition. These moulding compositions are self-extinguishing and have good tracking resistance. They are suitable e.g. for making electrical components.

492208

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