【摘 要】
：
Thermoplastic elastomers (TPEs) are generally entropic networks with micro-phase separated morphology.They are made of flexible chain segments which impart elastic properties and physical crosslinks w
【机 构】
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Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo,P.R.Chin
【出 处】
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Seventh International Symposium On Engineering Plastics (第七届
论文部分内容阅读
Thermoplastic elastomers (TPEs) are generally entropic networks with micro-phase separated morphology.They are made of flexible chain segments which impart elastic properties and physical crosslinks which connect flexible chain segments together upon acting as knots.One prominent weakness of TPEs is the lower elasticity and higher permanent set compared to rubbers (thermosets), because the physical interactions among physical crosslinks are relatively weak and easily be broken under external stresses.Many attempts have been made to further strengthen physical interactions so as to reduce permanent set.However, physical interactions remain inherently weak.
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