1) piping draft
泡管拉伸比
1.
Effects of Formulating of Recipe, piping mould and process on lengthways shrinkage of PVC-U piping were reviewed and study was made in the light of packing CaCO3 and piping draft.
概述了PVC U配方设计、管材模具、制管工艺等对PVC U管材纵向回缩率的影响;并从CaCO3的填加量及泡管拉伸比两大因素进行研究,结果表明,CaCO3填加量在一定范围内直接影响PVC U管材的纵向回缩率;泡管拉伸比的变化直接导致PVC U管材纵向回缩率的变化。
2) bubble stretching
气泡拉伸
1.
In situ bubble stretching(ISBS) method was discussed and analysis of the dispersion process of inorganic additives in polymers was performed using this method.
探讨了利用原位气泡拉伸法(ISBS法)分散添加在高聚物中的纳米无机添加物的分散机理。
3) draw ratio
拉伸比
1.
The stability of Nylon 66 technical yarn properties was obtained by adjusting of spinning viscosity, draw ratio, take-up tension and godet temperature.
通过调整纺丝黏度、纺丝拉伸比、卷绕张力、拉伸辊温度等可以对尼龙66工业丝物理性能的稳定起到很重要的作用,尤其是可以使其均匀性提高,三项主要物性指标工序能力控制指数(CPK)达到1级以上。
2.
The results showed that the relative molecular weight and its distribution of polypropylene, isotacticity, spinning temperature, quenching speed, draw ratio, drawing godet temperature and oiling amount had evident effect on yarn irregularity.
结果表明,聚丙烯的相对分子质量及其分布、等规度和纺丝温度、冷却吹风速度、拉伸比率、上热盘温度以及上油量等对纤维不匀率产生明显的影响。
3.
The influences of draw ratio(λ)and compatibilizer contents(C g)on PA66 fiberization and mechanical properties of the composites were investigated.
用挤出 -拉伸 -注塑法制备了PP/PA66原位复合材料 ,研究了拉伸比 (λ)和增容剂用量 (Cg)对PA66成纤性和材料力学性能的影响。
4) hot stretching ratio
热拉伸比
6) principal extension ratio
主拉伸比
补充资料:固有拉伸比
分子式:
CAS号:
性质:也可称自然拉伸比。是指在一定温度下材料在屈服应力作用下伸长的倍数,即材料拉伸前后长度之比。各种聚合物的固有拉伸比是不同的,如聚苯乙烯为1.5~3.5,高密度聚乙烯为5~10。
CAS号:
性质:也可称自然拉伸比。是指在一定温度下材料在屈服应力作用下伸长的倍数,即材料拉伸前后长度之比。各种聚合物的固有拉伸比是不同的,如聚苯乙烯为1.5~3.5,高密度聚乙烯为5~10。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条