西安交通大学材料科学与工程学院,西安,710049
网络首发:2006-01-10,
纸质出版:2006
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陈红祥, 孙红英, 郑茂盛, 等. 聚对苯撑/ 聚氨酯共混材料的结构与性能[J]. 西安交通大学学报, 2006,40(1):111-0114.
Structure and Performance of Polyparaphenylene and Polyurethane Blends[J]. 2006, 40(1): 111-0114.
陈红祥, 孙红英, 郑茂盛, 等. 聚对苯撑/ 聚氨酯共混材料的结构与性能[J]. 西安交通大学学报, 2006,40(1):111-0114. DOI: 10.7652/xjtuxb200601026.
Structure and Performance of Polyparaphenylene and Polyurethane Blends[J]. 2006, 40(1): 111-0114. DOI: 10.7652/xjtuxb200601026.
将聚对苯撑与聚氨酯进行共混
对共混材料的力学性能和耐热性能进行了试验研究
并通过<br />傅里叶红外光谱和扫描电子显微镜表征了其结构
以期从结构角度上认识该材料性能的变化规律.<br />结果表明:刚性聚对苯撑与聚氨酯的硬段间有一定程度的相容
因而加入聚对苯撑能改善聚氨酯的<br />拉伸强度和热稳定性;当聚对苯撑的质量增加至聚氨酯质量的15 %时
聚氨酯材料的拉伸强度提<br />高了1213 %
分解温度提高了12 ℃
耐热性能提高.
Polyparap henylene (PPP) and Polyurethane (PU) were mixed sufficiently
and t he in2<br />fluence of PPP content in the PPP/ PU blends on t he mechanical and heat resistant performance<br />was investigated experimentally. The microst ruct ure of t he blends was characteri-ed wit h Fourier<br />t ransform inf rared spect roscopy
t hermogravimet ric analysis
and scanning elect ron microscope to<br />obtain t he knowledge of st ructure2property relationship . The result s show t hat PPP serves as-fi2<br />ber-to st rengt hen t he blend ; t he intermolecular interaction or compatibility between PPP and t he<br />hard segment of PU is revealed to a certain extent . The tensile st rengt h increases by 1213 % and<br />t he heat degradation temperat ure increases by 12 -for PPP at the mass ratio of 15 % to PU.
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