大分子溴系复合阻燃剂对PS和发泡PS的阻燃改性  

Effect of Composited Macromolecular Brominated Flame Retardants on Flame Retardant Modification of Polystyrene and Polystyrene Foam

作　　者：黄朋科 庞永艳[2] 张树海[1] 刘伟[2] 张利华[2] 郑文革[2] Huang Pengke;Pang Yongyan;Zhang Shuhai;Liu Wei;Zhang Lihua;Zheng Wenge(School of Chemical and Environmental Engineering, North University of China, Taiyuan 030051, China;Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

机构地区：[1]中北大学化工与环境学院,太原030051 [2]中国科学院宁波材料技术与工程研究所,浙江宁波315201

出　　处：《工程塑料应用》2016年第11期7-11,共5页Engineering Plastics Application

基　　金：国家自然科学基金项目(51603222;51473181);浙江省自然科学基金项目(LQ14E030006);宁波市科学基金项目(2014A610131)

摘　　要：将大分子溴系阻燃剂(FR–122P)与溴化环氧树脂(2200HM)组成的复合阻燃剂应用于聚苯乙烯(PS)复合材料和发泡PS中,研究了复合阻燃剂的配比和含量对PS复合材料阻燃性能以及复合阻燃剂含量对发泡PS泡孔结构和阻燃性能的影响,采用热重分析、扫描电子显微镜观察、极限氧指数(LOI)测试、垂直燃烧(UL–94)和水平燃烧试验等手段进行了表征。结果表明,当FR–122P与2200HM质量比为4∶1、总添加量为25%时,PS复合材料的LOI可达25.8%,并可通过UL–94 V–0等级;当复合阻燃剂的添加量为40%时,可得到泡孔尺寸较小、泡孔密度较大、膨胀倍率较高的发泡PS复合材料,且其可通过泡沫水平燃烧的HF–2等级。大分子溴系阻燃剂与溴化环氧树脂的复合阻燃剂对PS和发泡PS复合材料具有较好的阻燃效果。The main objective was to study the effect of composited macromolecular flame retardants on modification of polystyrene (PS) and PS foam. The flame retardants used were a new macromolecular brominated flame retardant (FR–122P) and a brominated epoxy resin (2200HM). The effects of the weight ratios of FR–122P and 2200HM and the contents of the composited macromolecular flame retardants were investigated on the flame retardancy of PS,and the effects of the contents of the composited macromolecular flame retardants were investigated on the cell structure and flame retardancy of PS foam. The investigations above were carried out with TGA,SEM,LOI,UL–94 and horizontal burning. It was found that PS could pass UL–94 V–0 rating and had a LOI value of 25.8% with the composited macromolecular flame retardants at a content of 25% and a ratio of 4∶1. With 40% content of the composited macromolecular flame retardants,the PS foam showed small cell sizes,high cell density and high expansion ratio,and it could pass HF–2 grade. The composited macromolecular flame retardants showed good flame retardant performance for PS and PS foam.

关 键 词：大分子溴系阻燃剂 溴化环氧树脂 聚苯乙烯 阻燃 发泡 

分 类 号：TQ325.2[化学工程—合成树脂塑料工业]