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Preparation, morphology, and properties of polyurethane–urea elastomers derived from sulphone-containing aromatic diamine

✍ Scribed by XiuMin Qin; JiaWen Xiong; XiaoHui Yang; XinLing Wang; Zhen Zheng


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
146 KB
Volume
104
Category
Article
ISSN
0021-8995

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## Abstract Four dicarboxylic acids containing one preformed imide ring were prepared by condensation of trimellitic anhydride with α‐amino acids such as glycine, DL‐alanine, DL‐valine, and DL‐lcucinc. These diacids were subsequently directly polycondensated with various aromatic diamines using tri