大学化学 >> 2022, Vol. 37 >> Issue (5): 2111059.doi: 10.3866/PKU.DXHX202111059

所属专题: 第2届全国大学生化学实验创新设计竞赛

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火安全环氧树脂材料的制备及其阻燃性能研究

汪婷, 何磊, 冯金凤, 满珊佑, 卜发洋, 钟柳, 陈明军()   

  • 收稿日期:2021-11-22 录用日期:2021-12-07 发布日期:2022-04-01
  • 通讯作者: 陈明军 E-mail:cmjchem@126.com
  • 作者简介:陈明军,Email: cmjchem@126.com
  • 基金资助:
    国家自然科学基金面上项目(21975208);四川省杰出青年科技人才项目(2020JDJQ0062)

Preparation and Flame Retardancy of Epoxy Resin as a Fire Safety Material

Ting Wang, Lei He, Jinfeng Feng, Shanyou Man, Fayang Bu, Liu Zhong, Mingjun Chen()   

  • Received:2021-11-22 Accepted:2021-12-07 Published:2022-04-01
  • Contact: Mingjun Chen E-mail:cmjchem@126.com

摘要:

针对“十四五”规划对高等教育人才培养的需求,为促进学生全面发展,加强交叉类学科的推广,改善传统教学实验中直观性、交叉性、创新性和实践性不足的问题,设计了制备安全环保材料的新创类综合实验。首先,利用9, 10-二氢-9-氧杂-10-磷杂菲-10-氧化物(DOPO)结构中P—H键的反应活性,与二苯甲烷双马来酰亚胺(BMI)分子发生加成反应,合成阻燃剂(BMP)。最后,通过熔融共混法将阻燃剂BMP均匀分散到环氧树脂固化物中,制得阻燃环氧树脂。该综合实验不仅将基础知识与科学前沿相结合,而且将合成实验与应用实践相结合,培养学生发现并解决问题的能力、学习新事物的能力、理论联系实际的能力。

关键词: 合成, 环氧树脂, 阻燃, 学科交叉类实验

Abstract:

A new and comprehensive experiment for the preparation of safety and environmental protection materials was designed to meet the demand of the 14th Five-Year Plan (2021–2025) to train talents in higher education, promote the all-round development of students, strengthen the promotion of interdisciplinary subjects, and overcome the shortcomings of intuition, intersectionality, practice and innovation in traditional teaching experiments. A flame retardant (BMP) was synthesized, based on the reactivity of the P—H bond in the 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) structure by addition reaction with diphenylmethane bismaleimide (BMI). Thereafter, according to the principle of epoxy ring-opening and polymerization reactions, epoxy resin could be cured using a hardener. Additionally, the flame retardant epoxy resin was prepared by uniformly dispersing BMP into an epoxy resin before curing, using the melt blending method. The experiment not only combines basic knowledge with that on the scientific frontier but also links synthetic experimentation with practical application to cultivate the ability of students to find and solve problems, acquire new knowledge, and integrate theory with practice.

Key words: Synthesis, Epoxy resin, Flame retardant, Interdisciplinary experiments

MSC2000: 

  • G64