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    • 1. 发明申请
    • WEATHER-RESISTANT EPOXY RESIN SYSTEM
    • 耐候环氧树脂系统
    • WO2007060077A1
    • 2007-05-31
    • PCT/EP2006/067828
    • 2006-10-26
    • HUNTSMAN ADVANCED MATERIALS (SWITZERLAND) GmbHBEISELE, Christian
    • BEISELE, Christian
    • C08K5/3435
    • C08K5/3435Y10T428/31511C08L63/00
    • A curable epoxy resin composition comprising (a) cycloaliphatic diglycidyl compound as epoxy resin, and (b) an antioxidant (b1) alone or a combination of an antioxidant (b1) and an UV absorber (b2), characterized in that the antioxidant is a compound of the general formula (I), wherein R 1 = -H, -OH, -O-C 1 -C 18 -alkyl, -C 1 -C 18 -alkyl,-C 5 -C 12 -cycloalkyl being unsubstituted or being substituted with C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy, or-CH 2 -C 5 -C 12 -cycloalkyl being unsubstituted or being substituted with C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy; R 2,3,4,5 = independent from each other -C 1 -C 6 -alkyl; and R 6 = a bivalent aliphatic, cycloaliphatic or aromatic residue, and wherein the weight ratio between the components (a) and (b) is from 90.0 : 10.0 to 98.5 : 1.5, with the proviso that the weight portion of the component (b1) is at least 0.5, having a very good weather resistance after curing by polyaddition with a polycarboxylic acid anhydride or by homopolymerization and which is particularly suitable as electrical insulation material.
    • 一种可固化的环氧树脂组合物,其包含(a)脂环族二缩水甘油基化合物作为环氧树脂,和(b)单独的抗氧化剂(b1)或抗氧化剂(b1)和紫外线吸收剂(b2)的组合,其特征在于,抗氧化剂为 通式(I)的化合物,其中R 1 = -H,-OH,-OC 1 -C 18 - 烷基, - C 1 -C 15 - 烷基,-C 5 -C 12 - 环烷基是未取代的或被 C 1 -C 6 - 烷基或C 1 -C 6 - 烷氧基或-C 1 -C 6 - 2个未取代的或被C 1 -C 6取代的C 1 -C 6烷基-C 2 -C 12 - C 1 -C 6烷基或C 1 -C 6 -C 6 - 烷氧基; R 2,3,4,5,5-彼此独立地-C 1 -C 6 - C 6 - 烷基; 和R 6 =二价脂族,脂环族或芳族残基,并且其中组分(a)和(b)之间的重量比为90.0:108至98.5:1.5,条件是 组分(b1)的重量份至少为0.5,通过与多元羧酸酐加聚固化而固化后具有非常好的耐候性,或通过均聚而特别适合作为电绝缘材料。