THE NONISOTHERMAL CRYSTALLIZATION KINETICS OF POLY( α CHLOROMETHYL α METHYL β PROPIOLACTONE)

LIU Xiangqian; BAO Xuan; LI Zichen; LI Fumian

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THE NONISOTHERMAL CRYSTALLIZATION KINETICS OF POLY( α CHLOROMETHYL α METHYL β PROPIOLACTONE)

Research Bulletin | 更新时间：2021-03-19

- THE NONISOTHERMAL CRYSTALLIZATION KINETICS OF POLY( α CHLOROMETHYL α METHYL β PROPIOLACTONE)
- Acta Polymerica Sinica Issue 6, Pages: 736-739(1998)
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- Published：20 December 1998，
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LIU Xiangqian, BAO Xuan, LI Zichen, LI Fumian. THE NONISOTHERMAL CRYSTALLIZATION KINETICS OF POLY( α CHLOROMETHYL α METHYL β PROPIOLACTONE). [J]. Acta Polymerica Sinica (6):736-739(1998)
DOI：

LIU Xiangqian, BAO Xuan, LI Zichen, LI Fumian. THE NONISOTHERMAL CRYSTALLIZATION KINETICS OF POLY( α CHLOROMETHYL α METHYL β PROPIOLACTONE). [J]. Acta Polymerica Sinica (6):736-739(1998) DOI：

摘要

我们曾报道［１］以二羟甲基丙酸为原料

通过氯化、水解和内酯化反应合成α氯甲基α甲基β丙内酯（ＣＭＭＰＬ）

并用多种引发剂如吡啶、三乙胺、三氟乙酸以及金属有机化合物如三乙基铝、异丙醇铝、钛酸四丁酯和辛酸亚锡等引发聚合

得到白色固体聚合物Ｐ（ＣＭＭＰＬ）．结果发现

Ｐ（ＣＭＭＰＬ）与其它聚（β丙内酯）如聚（α

α二甲基β丙内酯）（ＰＰＶＬ）以及聚（β羟基丁内酯）（ＰＨＢ）相似?...

Abstract

By using Bороховскии

Ziabicki A and Zhishen Mo

et al.equations

the non isothermal crystallization kinetics and mechanism of poly( α chloromethyl α methyl β propiolactone)(PCMMPL) have been studied by DSC at cooling rate 1 to 10℃/min.The Avrami exponent n in the primary crystallization period of P(CMMPL) is about 19 close to 2.The results indicate that the crystallization process is heterogeneous nucleation and growth in two dimensions

and the crystallization rate constants are 10 2～10 4 times to those of PET

Nylon-6 and Nylon-66.The kinetic crystallizibility per unit cooling rate(Gc) is 0.6～0.7 which is similar to those of PET.Nylon-6

Nylon-66 and Nylon-1010.

关键词

聚（α-氯甲基-α-甲基-β-丙内酯）非等温结晶动力学结晶机理动力学结晶能力

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