反应型含磷阻燃剂对不饱和树脂阻燃性能的研究

复合材料科学与工程 ›› 2015, Vol. 0 ›› Issue (3): 11-14.

反应型含磷阻燃剂对不饱和树脂阻燃性能的研究

程刘峰¹, 王钧^1*, 刘伟²

1.武汉理工大学材料科学与工程学院,湖北武汉 430070;
2.常州百思通复合材料有限公司,江苏常州 213022

收稿日期:2014-09-26 出版日期:2015-03-28 发布日期:2021-09-13
通讯作者: 王钧(1963-),男,教授,博士生导师,主要从事复合材料方面的研究,wgdfrp@whut.edu.cn。
作者简介:程刘峰(1990-),男,硕士在读,主要从事阻燃高分子材料方面的研究。

STUDY ON THE FLAME RESISTANCES OF THE REACTIVE PHOSPHORUS-CONTAININGFLAME RETARDANT TO UNSATURATED RESIN

CHENG Liu-feng¹, WANG Jun^1*, LIU Wei²

1. School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;
2. Changzhou Bamstone Composite Material Limited Company, Changzhou 213022, China

Received:2014-09-26 Online:2015-03-28 Published:2021-09-13

摘要/Abstract

摘要： 本文以羟乙基甲基丙烯酸酯磷酸酯(HEMAP)作为不饱和树脂的反应型含磷阻燃剂,研究其对不饱和树脂阻燃性能的影响。当不饱和树脂加入5份HEMAP后,固化物的极限氧指数为32.5。热重分析结果表明,当不饱和树脂加入HEMAP量从0增加到20份时,氮气下10%失重温度和最大分解温度明显降低,P-O-C键的提前分解产生磷酸类物质,有效阻止了不饱和树脂的进一步分解,800℃残炭率从3.8%提高到31.4%;空气下500℃下初级残炭率从20.6%提高到46.3%。用动态热机械分析仪测试了树脂浇铸体损耗因子,得到树脂体系的玻璃化转变温度,加入5份HEMAP后树脂体系的Tg从120.9℃提高到122℃。

关键词: 反应型, 含磷阻燃剂, 不饱和树脂, 阻燃

Abstract: A reactive phosphorus-containing fire retardant, 2-hydroxyethyl methacrylate phosphate (HEMAP), was added to the unsaturated resin to improve its flame retardant properties. The cured unsaturated resin reached limiting oxygen index of 32.5 as added 5 parts of HEMAP. Thermal properties of unsaturated resin were studied by means of TG and DTG. Decomposition temperature of 10% mass loss and maximum weight loss both dropped with the increase of HEMAP from 0 to 20 parts by weight. However, formation of phosphorus-containing acid from decomposition of P-O-C bonds inhibited effectively further decomposition of the unsaturated resin. As the HEMAP content increased, the char yield increased from 3.8% to 31.4% at 800℃ in N₂ atmospheres, and the carbonaceous char yield increased from 0 to 4 at 500℃ in air atmosphere. The glass transition temperature (Tg) was measured by dynamic mechanical thermal analysis (DMA). The Tg of different unsaturated resins increased from 120.9℃ to 122℃ after added 5 parts of HEMAP.

Key words: reactive type, phosphorus-containing flame retardant, unsaturated resin, flame retardant

中图分类号:

TB332

程刘峰, 王钧, 刘伟. 反应型含磷阻燃剂对不饱和树脂阻燃性能的研究[J]. 复合材料科学与工程, 2015, 0(3): 11-14.

CHENG Liu-feng, WANG Jun, LIU Wei. STUDY ON THE FLAME RESISTANCES OF THE REACTIVE PHOSPHORUS-CONTAININGFLAME RETARDANT TO UNSATURATED RESIN[J]. COMPOSITES SCIENCE AND ENGINEERING, 2015, 0(3): 11-14.

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