聚酰胺6/聚醚酰亚胺合金的合成与表征  

Synthesis and characterization of polyamide 6/polyetherimide alloy

作　　者：杨厉哲 曲希明[2] 董知之[1] 张志英[1] 陈莉[1] 

机构地区：[1]中空纤维膜材料与膜过程省部共建国家重点实验室,天津工业大学材料科学与工程学院,天津300160 [2]中国纺织科学研究院,生物源纤维制造技术国家重点实验室,北京100025

出　　处：《化工新型材料》2015年第9期210-212,共3页New Chemical Materials

摘　　要：利用聚酰胺6（PA6）末端具有高反应性氨基官能团的特点,以自己合成的双酐封端聚醚酰亚胺对聚酰胺6进行共聚改性,合成PA6-PEI-PA6嵌段共聚物,对其热性能、结晶性能等进行了系统研究。研究结果表明：PEI与PA6发生了原位聚合。PEI的加入提高了PA6的热性能,而且在添加量在5%-10%时提高幅度比较大。PEI的加入并没有改变PA6的基本晶型,主要仍为α晶型,对PA6链段的规整性影响也不大。当PEI添加量比较少时,脆断界面比较平整;随着PEI在PA6中添加量的增加,当含量为20%时,脆断界面变粗糙,合金材料综合性能降低。For the characteristics of polyamide 6 with a high terminal reactive amino functional groups,the polyam- ide 6 was modified by copolymerization with,The bisanhydride terminated polyetherimide synthesised by ourslves, the block eopolymers PA6 PEI-PA6 was synthesised,The thermal properties and crystallization properties were systematically stud- ied. The results suggested that PEI occurred in situ polymerization with PA6. The addition of PEI can improve the thermal properties of PA6, and when the amount of 5% to 10% the increasing was large amplitude relatively. The basic crystal type of PA6 was not changed by addition of PEI,still mainly had a polymorph. With the increasing the amount of PEI, when the content was 20% ,the excess PEI began to act as a blending component. In theory,it would be detrimental to the thermal and mechanical properties of alloy.

关 键 词：聚酰胺6 聚醚酰亚胺 共聚 改性 

分 类 号：TQ317[化学工程—高聚物工业]