分析了大单体分子链中刚性链段和柔性链段对材料性能的影响。
The influence of rigid chain and flexible chain in macromonomer chain with the performances of materials was analysed.
但因扩链剂的加入，在PET 分子链中引入的柔性链段而导致聚合物弹性模量下降。
The addition of the chain-extenders would introduce the flexible segments into recycled PET and resulted in lower modulus of the plastics.
在嵌段聚合物中有一类，即由刚性链段和柔性链段键合而成的，聚合物倍受人们关注。
Among block copolymers, the copolymers constructed with rigid and flexible blocks attract much more attention.
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