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Electricity insulating materials with field strength-dependent throughput resistance 发明申请

2023-01-24 3140 293K 0

专利信息

申请日期 2025-06-29 申请号 EP10155848
公开(公告)号 EP2365491A1 公开(公告)日 2011-09-14
公开国别 EP 申请人省市代码 全国
申请人 GT Elektrotechnische Produkte GmbH
简介 Electrical insulation material based on reactive resins having nanoscale particulate fillers comprises (a) a reactive resin comprising two components, which are a component of the reactive resin preferably comprises a base polymer, which exhibits nanoscale active filler comprising e.g. graphene; and an additional component comprising a hardener e.g. di- and/or polyisocyanate, and (b) optionally another component comprising e.g. catalyst, where after the reaction, an electrical insulating reactive resin is formed with a resistance of 10 5>-10 1>8 omega /cm. Electrical insulation material based on reactive resins having nanoscale particulate fillers comprises (a) a reactive resin comprising at least two components, which are at least one component of the reactive resin preferably comprising a base polymer having at least two reactive groups, which exhibits a nanoscale active filler comprising graphene, aluminum oxide, aluminum oxide hydroxide, aluminum hydroxide, zinc oxide, zinc oxide hydroxide, zinc hydroxide, indium oxide and/or mixed oxides based on zinc, indium, rare earth oxides, each of which is present in an amount of 0.0001-2 wt.% and does not forming aggregates; and at least one additional component comprising at least one hardener e.g. di- and/or polyisocyanates or prepolymers based on at least one isocyanate, di- and/or polyamine or a polymerization initiator, and (b) optionally another component comprising catalysts, reaction inhibitors, fillers, dyes and/or pigments, where after the reaction of the reactive groups of all the reaction components, an electrical insulating reactive resin is formed with a resistance of 10 5>-10 1>8 omega /cm. An independent claim is also included for producing the electrical insulation material comprising reacting (a) and (b) optionally under formation of an electrical insulating reactive resin with a resistance of 10 5>-10 1>8 omega /cm.


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