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1)  high polymerization degree
高聚合度
1.
Studies on shortening polymerization period of PVC paste resins with high polymerization degree;
缩短高聚合度PVC糊树脂聚合时间的研究
2.
Adjustment on the pilot formula of PVC with high polymerization degree
高聚合度PVC中试配方的调整
2)  high degree of polymerization
高聚合度
1.
The optimum polymerization technique for the preparation PVAc with high degree of polymerization was determined by a lot of experiments.
采用醋酸乙烯酯为单体,以OP-10和十二烷基硫酸钠为复配乳化剂,偶氮二脒基丙烷盐酸盐为引发剂,通过正交实验研究了乳液聚合法制备高聚合度聚醋酸乙烯酯的最佳工艺条件。
3)  PVC with high polymerization degree
高聚合度PVC
1.
This paper mainly introduced the differences in mechanical and melting rheological properties of PVC with high polymerization degree synthesized by low temperature process,chain extender process, and internal plastic monomer copolymerization process respectively.
主要介绍了用低温法、扩链剂法以及加入内增塑单体共聚方法合成的高聚合度PVC树脂在机械力学性能和熔融流变性等方面的区别。
4)  Ultrahigh molecular weight
超高聚合度
1.
Ultrahigh molecular weight poly(vinyl alcohol) fiber is of a very important high performance fiber, which has a high tensile strength and modulus and can find many potential applications in national defense, aerospace and construction industry.
高聚合度聚乙烯醇纤6维具有强度高、模量高等许多优点,到目前为止,该种化学合成纤维产品只有日本生产销售。
5)  Highly branched polymer
高度支化聚合物
6)  high-concentration polymer
高浓度聚合物
1.
Due to high injection pressure of high concentration polymer solution,reducing injection pressure of high-concentration polymer solution with surfactant has been researched.
针对高浓度聚合物溶液注入压力高的实际情况,开展了表面活性剂降低高浓度聚合物注入压力的研究。
补充资料:高聚合度聚氯乙烯
分子式:
CAS号:

性质:又称超高分子量聚氯乙烯。指平均聚合度1700以上,工业产品2000~4500,有时可高达8000的一类聚氯乙烯树脂。由于分子量高,大分子链间缠结点增多,类似交联效应,因而塑性变形降低,回弹性增加,耐热、耐寒、耐疲劳、机械强度都有提高,使用温度范围宽。可采用悬浮法,本体法,乳液法或微悬浮法等工艺,在较低温度及链增长剂存在下,以高活性引发剂使氯乙烯聚合而制得。加入增塑剂后用于制备PVC热塑性弹性体,替代橡胶用作汽车内饰件,门窗密封条,耐热电缆护套,耐热软管及鞋底等。

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