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化工新型材料  2018, Vol. 46 Issue (8): 123-126    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
氢氧化物阻燃剂的改性及其对乙丙橡胶/苯基硅橡胶共混胶性能影响研究
赵思伟, 钱家盛*, 苗继斌, 夏茹, 陈鹏, 杨斌
安徽大学化学化工学院,安徽省绿色高分子材料重点实验室,合肥230601
Study on modification of hydroxide flame retardant and its effect on EPR/MVPQ blend
Zhao Siwei, Qian Jiasheng, Miao Jibin, Xia Ru, Chen Peng, Yang Bin
School of Chemistry & Chemical Engineering,Anhui University,Anhui Province Key Laboratory of Environment-friendly Polymer Materials,Hefei 230601
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摘要 采用硬脂酸(SA)和硅烷偶联剂KH570对阻燃剂氢氧化镁(MH)和氢氧化铝(ATH)进行表面改性,并将其填充到乙丙橡胶(EPR)/苯基硅橡胶(MPVQ)共混胶中,利用红外光谱、锥形量热仪等手段对改性效果及共混胶性能进行表征。结果表明:改性剂成功包覆到阻燃剂表面,且KH570改性效果最佳。当KH570/MH填充量在20%(质量分数)时,复合材料的极限氧指数(LOI)由27.6增加到36.3,总热释放量从62.31mJ/m2降低到34.39mJ/m2,最大热释放速率从349.54kW/m2降至269.32kW/m2,且老化性能更好。
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赵思伟
钱家盛
苗继斌
夏茹
陈鹏
杨斌
关键词:  氢氧化镁  氢氧化铝  表面改性  乙丙橡胶  苯基硅橡胶  阻燃性能    
Abstract: The flame retardants of magnesium hydroxide(MH) and aluminum hydroxide(ATH) were modified on the surface by stearic acid(SA) and silane coupling agent KH570 and then filled in ethylene-propylene rubber(EPR)/phenyl silicone rubber (MPVQ) blend.The modified effect and the performance of blend were characterized by infrared spectroscopy and cone calorimeter,etc.The results showed that the two modifiers were successfully coated onto the surface of flame retardant,and the comprehensive performance of KH570 modified MH-filled blend was the best.Compared with the blank sample without flame retardant,when the filling amount was 20%,the tensile strength of composite increased from 5.79MPa to 6.93MPa,the oxygen index LOI increased from 27.6 to 36.3,the total heat release decreased from 62.31mJ/m2 to 34.39mJ/m2,the maximum heat release rate went down from 349.54 kW/m2 to 269.32 kW/m2 and aging performance was better.
Key words:  magnesium hydroxide    aluminum hydroxide    surface modification    ethylene propylene rubber    phenyl silicone rubber    flame retardant property
收稿日期:  2017-04-14                     发布日期:  2018-09-18      期的出版日期:  2018-08-20
基金资助: 国家自然科学基金(51273001)
通讯作者:  钱家盛(1965-),男,教授,博士研究生导师。   
作者简介:  赵思伟(1994-),男,硕士研究生,主要研究方向为阻燃共混胶材料。
引用本文:    
赵思伟, 钱家盛, 苗继斌, 夏茹, 陈鹏, 杨斌. 氢氧化物阻燃剂的改性及其对乙丙橡胶/苯基硅橡胶共混胶性能影响研究[J]. 化工新型材料, 2018, 46(8): 123-126.
Zhao Siwei, Qian Jiasheng, Miao Jibin, Xia Ru, Chen Peng, Yang Bin. Study on modification of hydroxide flame retardant and its effect on EPR/MVPQ blend. New Chemical Materials, 2018, 46(8): 123-126.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I8/123
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