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首页> 外文期刊>Journal of Applied Polymer Science >Improvement of thermomechanical properties of a DGEBS/DDS system blended with a novel thermoplastic copolymer by realization of a semi-IPN network
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Improvement of thermomechanical properties of a DGEBS/DDS system blended with a novel thermoplastic copolymer by realization of a semi-IPN network

机译：通过实现半IPN网络来改善与新型热塑性共聚物共混的DGEBS / DDS系统的热机械性能

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In this article we present the results of a study on the properties of a blend containing a 40:60 amine-ended copolymer, poly(ether sulfone)-poly(ether ether sulfone), with a system composed of diglycidyl ether of biphenol S and 4,4'-diaminodiphenyl sulfone (4,4'-DDS). Five formulations, which varied in amounts of modifier, were characterized through dynamic thermal mechanical analysis and fracture mechanics studies. The morphology of the blends was studied by transmission electron microscopy (TEM). The addition of thermoplastics enhanced the toughness of the system, resulting in an increase in the glass-transition temperature as a function of the amount of thermoplastics. No phase-separated morphology was detected by TEM analysis, leading to the conclusion that the formation of a homogeneous semi-IPN network occurred between the thermoplastics and the thermoset. (C) 2003 Wiley Periodicals, Inc. [References: 27]
机译：在本文中，我们介绍了一种由40:60胺端共聚物，聚醚砜-聚醚醚砜，由双酚S和二酚S组成的体系组成的共混物的性能研究结果。 4,4'-二氨基二苯砜（4,4'-DDS）。通过动态热力学分析和断裂力学研究表征了五种不同改性剂的配方。通过透射电子显微镜（TEM）研究了共混物的形态。热塑性塑料的添加增强了系统的韧性，导致玻璃化转变温度随热塑性塑料数量的增加而增加。通过TEM分析未检测到相分离的形态，从而得出结论，在热塑性塑料和热固性材料之间形成了均匀的半IPN网络。 （C）2003 Wiley Periodicals，Inc. [参考：27]

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