苯丙乳液基膨胀型阻燃涂料的配方研究

doi:10.16265/j.cnki.issn1003-3033.2017.08.007

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (8): 38-43.doi: 10.16265/j.cnki.issn1003-3033.2017.08.007

苯丙乳液基膨胀型阻燃涂料的配方研究

杜武青¹ 讲师, 毕静仪¹, 李敏¹, 刘英炎¹ 高级工程师, 黄志勇² 工程师, 林楚宏²

1 北京理工大学珠海学院材料与环境学院, 广东珠海 519085;
2 珠海京工检测技术有限公司,广东珠海 519088

收稿日期:2017-05-05 修回日期:2017-07-08 出版日期:2017-08-20 发布日期:2020-10-13
作者简介:杜武青(1984—),男,江西南昌人,硕士,讲师,主要从事材料失效与分析、材料加工和改性等方面的研究。E-mail:253561081@qq.com。
基金资助:
北京理工大学珠海学院卓越人才培养计划“安全工程卓越人才培养计划”(201503ZYRC)。

Study on formula of styrene acrylic emulsion intumescent flame retardant coating

DU Wuqing¹, BI Jingyi¹, LI Min¹, LIU Yingyan¹, HUANG Zhiyong², LIN Chuhong²

1 School of Materials and Environment, Zhuhai Campus ,Beijing Institute of Technology, Zhuhai Guangdong 519085,China;
2 Zhuhai Jinggong Testing Technology Co. Ltd, Zhuhai Guangdong 519088, China

Received:2017-05-05 Revised:2017-07-08 Online:2017-08-20 Published:2020-10-13

摘要/Abstract

摘要： 为了解苯丙乳液基膨胀型阻燃涂料组分间的关系使其发挥最大作用,用热重分析法探究涂料的阻燃过程;通过受热炭层膨胀高度测试,结合组合法确定各组分的作用,并对基础配方进行优化。结果表明:涂料在受热时,磷酸氢二铵和季戊四醇在110～238 ℃通过脱氨和水,生成偏磷酸铵与季戊四醇及磷酸与季戊四醇的交联物,并形成炭层;在250～380 ℃,三聚氰胺分解出气体,使炭层发泡,形成多孔泡沫炭层,达到阻燃的目的;配方中季戊四醇(成炭剂)和磷酸氢二铵(催化剂)构成炭源,三聚氰胺是气源,苯丙乳液是黏结剂;优化后的配方即苯丙乳液:磷酸氢二铵:季戊四醇:三聚氰胺质量比为2.82∶11.04∶6.00∶3.06。

关键词: 膨胀型阻燃, 阻燃过程反应, 炭源, 气源, 优化配方

Abstract: In order to investigate the relationships between components of the styrene-acrylic emulsions based intumescing flame retardant coating and make best use of flame retardant coating, thermo gravimetric analyses were made for a basic formula of coating. The role of each component was determined by measuring the heating carbon layer inflation height. Finally, the basic formula was optimized. The results show that the diammonium phosphate and pentaerythritol are removed by ammonia and water at 110-238 ℃, that ammonium metaphosphate and phosphoric acid cross-link with pentaerythritol and form a carbon layer, that at 250-380 ℃, gas is produced by decomposition of melamine, and then it causes the carbon layer to foam and form a porous foaming carbon layer, which is a good flame retardant coating, that in this formula, pentaerythritol (carbonizing agent) and diammonium phosphate (catalyst) act as carbon sources, melamine as a gas source, and styrene acrylic emulsion as a binder, and that the continued ratio of styrene acrylic emulsion to diammonium phosphate to pentaerythritol to melamine in the optimized formula is 2.82: 11.04: 6.00:3.06.

Key words: intumescent flame retardant, flame retardant process, carbon source, gas source, optimized formula

中图分类号:

X937
TQ637

杜武青, 毕静仪, 李敏, 刘英炎, 黄志勇, 林楚宏. 苯丙乳液基膨胀型阻燃涂料的配方研究[J]. 中国安全科学学报, 2017, 27(8): 38-43.

DU Wuqing, BI Jingyi, LI Min, LIU Yingyan, HUANG Zhiyong, LIN Chuhong. Study on formula of styrene acrylic emulsion intumescent flame retardant coating[J]. China Safety Science Journal, 2017, 27(8): 38-43.

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苯丙乳液基膨胀型阻燃涂料的配方研究

Study on formula of styrene acrylic emulsion intumescent flame retardant coating

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