SYNTHESIS AND PROPERTIES OF POLY(URETHANE-UREA-IMIDE) BLOCK COPOLYMERS

被引:6
作者
ALSALAH, HA
机构
[1] Polymer Science and Technology Research Loboratory, Department of Chemistry, Mu舗tah University, Multah
关键词
AMINE-TERMINATED POLYURETHANE OLIGOMER; NCO-TERMINATED PREPOLYMER; SOFT SEGMENT; HARD SEGMENT; YOUNGS MODULUS; MAXIMUM DECOMPOSITION TEMPERATURES;
D O I
10.1295/polymj.23.815
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly(urethane-urea-imide) (PUUI) block copolymers were prepared from different types of amine-terminated polyurethane oligomers with benzophenonetetracarboxylic dianhydride. PUUIs consisted of two types of segments, the soft segments with the repeating unit of poly(tetramethyleneoxide) (PTMO) and the hard segments composed of urethane, urea, and imide groups. Characterization of PUUIs was carried out by IR spectroscopy, solution viscosity, thermal analysis, and stress-strain properties. It was found that these block copolymers have considerable better thermal stability and tensile properties than typical linear polyurethanes (PU).
引用
收藏
页码:815 / 821
页数:7
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