PEPA的改性及其在涂膜型防水卷材中的应用  

Modification of Pentaerythritol Phosphate and Its Application in Fire-Retardant Waterproof Coil Materials

作　　者：唐波 郭恩霞 张胜[1] 谷晓昱[1] 孙军[1] 李洪飞[1] 郭嘉 TANG Bo;GUO Enxia;ZHANG Sheng;GU Xiaoyu;SUN Jun;LI Hongfei;GUO Jia(Beijing Key Laboratory of Advanced Functional Polymer Composites,Beijing University of Chemical Technology,Beijing 100029,China;State Key Laboratory of Special Functional Waterproof Materials,Beijing Oriental Yuhong Waterproof Technology Co.,Ltd.,Beijing 100010,China)

机构地区：[1]北京化工大学,先进功能高分子复合材料北京重点实验室,北京100029 [2]北京东方雨虹防水技术股份有限公司,特种功能防水材料国家重点实验室,北京100010

出　　处：《塑料》2021年第5期40-45,共6页Plastics

基　　金：特种功能防水材料国家重点实验室开放课题基金(SKLW2018003)。

摘　　要：将季戊四醇磷酸酯加入丙烯酸丁酯乳液中,制备不同配比的涂膜型防水卷材,通过极限氧指数测试、燃烧测试、力学性能测试和耐水性测试研究其阻燃性能、力学性能和耐水性能。结果表明,加入季戊四醇磷酸酯能够提高涂膜型防水卷材的阻燃性能,当PEPA的添加量为10%时,涂膜型防水卷材的LOI值从22%提高至26.2%±0.1%,但是,由于PEPA与乳液的相容性和耐水性均较差,导致涂膜型防水卷材的力学性能和耐水性能均下降。采用KH550硅烷偶联剂对季戊四醇磷酸酯进行耐水改性,改性季戊四醇磷酸酯不仅与乳液具有较好的相容性,还可以使涂膜型防水卷材的力学性能得到提高,涂膜型防水卷材的拉伸强度从0.3 MPa提高至1 MPa,并且耐水性也得到提高,涂膜型防水卷材的吸水率从14.3%下降至11%。Pentaerythritol phosphate was added to butyl acrylate emulsion to prepare flame retardant acrylic waterproof coil materials.The flame retardancy,mechanical properties and water resistance were studied by limiting oxygen index test,combustion test,mechanical property test and water resistance test.The results showed that the flame retardancy of the acrylic waterproof coil materials could be improved by adding pentaerythritol phosphate.When added 10%PEPA,the LOI of the coil materials increased from 22%to 26.2%±0.1%.However,due to the poor compatibility and water resistance,the mechanical properties and water resistance of the coil materials decreased.Through the modification of pentaerythritol phosphate by KH550 silane coupling agent,the modified pentaerythritol phosphate not only had good compatibility with the acrylic waterproof coil material,the mechanical properties of the acrylic waterproof coil material had been improved.The tensile strength of the acrylic waterproof coil material was increased from 0.3 MPa to 1 MPa,and the water resistance was also improved.The water absorption of the acrylic waterproof coil material was reduced from 14.3%to 11%.

关 键 词：涂膜型防水卷材 季戊四醇磷酸酯 力学性能 阻燃性 耐水性 

分 类 号：TQ314.248[化学工程—高聚物工业]