采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-drawing ratio.
此外，高倍拉伸会提高上述二类多嵌段共聚物中软链段结晶的熔点和结晶速率。
In addition, high draw ratio will increase the melting point and crystallization rate of the soft segments for both types of segmented copolymers.
采用低速纺丝高倍后拉伸的工艺路线可以得到具有较好结构的PGA纤维。
The fairly good structure of PGA fiber can be obtained at low spinning velocity and high after-dra…
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