1) imidization
酰亚胺化
1.
Polyimide ( PI) fiber was obtained from PAA fiber via chemical imidization method or thermal imidiza-tion method.
将均苯四甲酸二酐(PMDA)和4,4’-二氨基二苯醚(ODA)在N-甲基吡咯烷酮(NMP)中进行溶液聚合得到聚酰胺酸(PAA)溶液,并用该溶液进行干湿法纺丝得到PAA纤维,分别用化学酰亚胺化法和热酰亚胺化法得到聚酰亚胺(PI)纤维。
2.
Three imidization procedures were used in this work, which are imidization in PAA solution at 180?℃,imidization of PAA coating film at 200?℃,and swell of the PI films and then processed at 300?℃ respectively.
采用3种热酰亚胺化工艺对这种聚酰胺酸进行了处理:一步法溶液热酰亚胺化;涂膜快速升温热酰亚胺化;两步法涂膜热酰亚胺化,再进行溶胀后高温处理。
3.
The effect of both reaction time and temperature on imidization also was studied by detection with FT-IR.
结果表明,在等温度变化过程中,酰亚胺化效果较好。
2) aminimide
胺化酰亚胺
3) N-imidation
N-酰亚胺化
4) thermal imidization
热酰亚胺化
1.
Study on thermal imidization of polyamide acid fiber;
聚酰胺酸纤维热酰亚胺化的研究
5) Isoimidization
异酰亚胺化
6) Sulfonated polyimides
磺化聚酰亚胺
1.
A Series sulfonated polyimides (SPI) for fuel cells were synthesized via direct polymerization with a sulfonated aromatic diamine (S-ODA), a non-sulfonated diamine (ODA) and 3, 3′, 4, 4′-benzophenoneteracarboxylic dianhydride(BTDA), and then characterized by FT-IR.
以一种磺化二胺单体2,2′-二磺酸基-4,4′-二苯醚二胺(S-ODA)与非磺化单体4,4′-二苯醚二胺(ODA),及二酐单体3,3′,4,4′-二苯甲酮四羧酸二酐(BTDA)为原料,采用高温一步法直接聚合,得到了一系列磺化聚酰亚胺(SPI)质子交换膜材料,并用红外光谱对聚合物进行了表征。
2.
A series of new six-member sulfonated polyimides(SPI-X) containing benzoxazole moieties were prepared by one-step high temperature polymerization method.
通过一步高温聚合法制备了一系列含有噁唑环的磺化聚酰亚胺(SPI-X),通过改变磺化二胺与非磺化二胺的比例来控制SPI的磺化程度。
3.
To prepare polymer electrolyte membranes for direct methanol fuel cell(DMFC), a series of novel sulfonated polyimides(SPI) were synthesized from sulfonated diamine,2,5-bis(4-aminophenoxy)benzene sulfonic acid (S-TBDA) with 3,3′,4,4′- benzophenone tetracarboxylic dianhydride (BTDA) and non-sulfonated diamine(ODA) via direct polymerization in this study.
聚酰亚胺作为一种高性能工程塑料,具有优异的耐热性能和化学稳定性,近来有研究者将磺化聚酰亚胺(SPI)用作燃料电池用质子交换膜,具有良好的导电性和阻醇性能,在直接甲。
补充资料：肼甲酰亚胺酰胺一氯化氢
CAS: 1937-19-5
分子式: CH6N4·HCl
熔点: 162-166℃
中文名称: 肼甲酰亚胺酰胺一氯化氢
英文名称: Hydrazinecarboximidamide, monohydrochloride；amino-guanidin hydrochloride；aminoguanidine hydrochloride；guanylhydrazine hydrochloride；hydrazinecarboximidamide hydrochloride
分子式: CH6N4·HCl
熔点: 162-166℃
中文名称: 肼甲酰亚胺酰胺一氯化氢
英文名称: Hydrazinecarboximidamide, monohydrochloride；amino-guanidin hydrochloride；aminoguanidine hydrochloride；guanylhydrazine hydrochloride；hydrazinecarboximidamide hydrochloride
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条