徐乃库,肖长发,甘秀丽,罗慧军

• 1:天津工业大学改性与功能纤维天津市重点实验室

摘要(Abstract)：

采用悬浮聚合法合成了LMA(甲基丙烯酸十二酯)均聚树脂、BMA(甲基丙烯酸正丁酯)/LMA共聚树脂、BMA/HEMA(甲基丙烯酸β羟乙酯)共聚树脂、BMA/DVB(二乙烯基苯)共聚树脂以及BMA/HEMA/LMA共聚树脂。研究了单体种类、交联剂种类以及用量与树脂吸附性能、交联密度间的关系,利用FT-IR对树脂试样的化学结构进行了表征。结果表明,与LMA均聚物相比,BMA被引入大分子主链后,BMA/LMA共聚树脂对煤油的吸附量大大降低,对甲苯和三氯乙烯的吸附量增大,而BMA/LMA/HEMA共聚树脂对煤油、甲苯和三氯乙烯的吸附量均有所下降;化学交联型树脂的吸附量随时间变化较小,物理交联型树脂其吸附量随时间变化较为明显;物理交联剂HEMA的质量分数影响树脂的三维网状结构,进而影响树脂的吸附性能;树脂大分子间存在氢键作用,有利于物理交联结构的形成,长侧链LMA结构单元的引入,促使侧链间发生缠结甚至结晶,进一步增强了物理交联结构。

关键词(KeyWords)： 甲基丙烯酸酯共聚物;交联剂;吸附性能;氢键作用

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50673077)

作者(Author): 徐乃库,肖长发,甘秀丽,罗慧军

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