Modified epoxy resin

一种改性环氧树脂

Abstract

The invention discloses modified epoxy resin. The modified epoxy resin is composed of the following raw materials, by weight, 20-30 parts of o-cresol formaldehyde epoxy resin, 15-20 parts of phenol phenolic epoxy resin, 15-20 parts of bisphenol A epoxy resin, 5-8 parts of modified polycarbonic anhydride, 2-5 parts of short-chain fatty acid, 2-5 parts of talcum powder, 3-6 parts of polyethylene, 0.5-2 parts of dibutyl phthalate, 10-18 parts of phosphorus-containing curing agent, 0.5-1 parts of flexibilizer, 1-3 parts of silane coupling agent and 5-8 parts of halogen-free fire retardant. The modified epoxy resin is advantaged by good physical and chemical performances, high hardness, high flexibility, good weather resistance and ageing resistance.
本发明公开了一种改性环氧树脂,由以下重量份数的原料组成:邻甲酚醛环氧树脂20-30份、苯酚酚醛环氧树脂15-20份、双酚A环氧树脂15-20份、改性聚碳酸酐5-8份、短链脂肪酸2-5份、滑石粉2-5份、聚乙烯3-6份、邻苯二甲酸二丁酯0.5-2份、含磷固化剂10-18份、增韧剂0.5-1份、硅烷偶联剂1-3份、无卤阻燃剂5-8份。本发明具有良好的物理、化学性能,硬度高,柔韧性较好,耐候性好、耐老化。

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