It was found that there existed some interaction between the hard segment of polyurethane and polyacrylonitrile in this polymer blend system.
发现在该共混体系中，聚氨酯硬段与聚丙烯腈之间存在一定程度的相互作用。
It was found that there existed some interaction between the hard segment of polyurethane and polyacrylonitrile in this polymer blend system.
发现在该共混体系中，聚氨酯硬段与聚丙烯腈之间存在一定程度的相互作用。
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