Dual self-assembling polycondensation of p-acetoxybenzoic acid and p-acetamidobenzoic acid

被引:4
作者
Kimura, K [1 ]
Kobashi, K [1 ]
Maeda, H [1 ]
Yamashita, Y [1 ]
机构
[1] Okayama Univ, Fac Environm Sci & Technol, Okayama 7008530, Japan
关键词
crystallization; oligomers; poly(p-benzamide); poly(p-oxybenzoyl); self-assembly;
D O I
10.1002/marc.200390032
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The dual self-assembling polycondensation of p-acetoxybenzoic acid (ABA) and p-acetamidobenzoic acid in Therm S 800 was examined at 300 degreesC. Needle-like crystals and lath-like crystals were formed simultaneously through reaction-induced crystallization of oligomers at a molar ratio of 30-50 mol-% ABA in the feed. The needle-like crystals comprised more p-oxybenzoyl units, whereas the lath-like ones contained higher amounts of p-benzamide moieties.
引用
收藏
页码:190 / 193
页数:4
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