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发明公开
CN109867777A 四臂聚乙二醇改性双酚A型环氧树脂、其制备方法和应用 无效 - 撤回

四臂聚乙二醇改性双酚A型环氧树脂、其制备方法和应用
摘要：
本发明涉及一种四臂聚乙二醇改性双酚A型环氧树脂及其制备方法和应用，属于树脂聚合新工艺技术领域。本发明所述合成工艺设计合理、易于实现；制得的四臂聚乙二醇改性双酚A型环氧树脂稳定性能好，游离甲基磺酰氯含量低，经过后加工能够得到性能优良的环氧树脂板，达到E0级环保要求，材料不含有甲醛。
摘要（英）：

The invention relates to four-arm polyethylene glycol modified bisphenol A epoxy resin, and a preparation method and application thereof, and belongs to the technical field of new processes of resin polymerization. The synthetic process disclosed by the invention is reasonable in design and is easy to realize, the prepared four-arm polyethylene glycol modified bisphenol A epoxy resin has good stability, the content of free methanesulfonyl chloride is low, an epoxy resin board with excellent performance can be obtained after post-processing, the E0 grade environment protection requirement is achieved, and the material does not contain formaldehyde.

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