Discusstion about Some Confusable Question in Condensation Polymerization

Rong RAN; Zheng-ying LIU; Jia-qiang QIN

doi:10.14028/j.cnki.1003-3726.2015.02.012

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Discusstion about Some Confusable Question in Condensation Polymerization

更新时间：2022-09-18

- Discusstion about Some Confusable Question in Condensation Polymerization
- Polymer Bulletin Vol. 28, Issue 2, Pages: 79-81(2015)
- 作者机构：
  
  四川大学高分子科学与工程学院，成都　610065
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2015.02.012
  CLC：
- Published：2015-02，
  
  Received：08 April 2014，
  
  Revised：22 July 2014，
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Rong RAN, Zheng-ying LIU, Jia-qiang QIN. Discusstion about Some Confusable Question in Condensation Polymerization. [J]. Polymer Bulletin 28(2):79-81(2015)
DOI：

Rong RAN, Zheng-ying LIU, Jia-qiang QIN. Discusstion about Some Confusable Question in Condensation Polymerization. [J]. Polymer Bulletin 28(2):79-81(2015) DOI： 10.14028/j.cnki.1003-3726.2015.02.012.

摘要

《高分子化学》是高分子材料等专业的必修课程

主要以聚合反应机理及反应动力学为主线

以连锁聚合和逐步聚合为两大主要板块.在逐步聚合部分主要以缩聚反应为例讲授逐步聚合特征及一般规律.笔者在缩聚反应部分内容教授的过程中发现了一些学生容易混淆的问题

如缩聚反应中平均聚合度与反应程度定义式中的N与N

、线形缩聚反应与体型缩聚反应体系中的反应程度、缩聚反应公式

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中的浓度问题.本文针对教学中的这些问题进行了讨论

介绍了笔者的理解和相关的教学体会

希望利于学生的自学和其他教师的教学。

Abstract

"Polymer Chemistry" course is the required course for the most materials type specialy. This course aims to that the principle of the polymer synthesis and kinetics of polymerization. It includes two main contents: step polymerization and chain polymerization. The basic principle and characters of the step polymerization are described by used the polycondensation as an exemple. In allusion to the some confusable question in the polycondensation

such as the meaning for N

and N in definition of extent of reaction and average polymerization degree

the extent of reaction in the linear polycondensation and crosslinking polycondensation

the concentration in equation

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in the polycondensation reaction

the own comprehension and teaching realization were introduced. We hope that it could be referred by the students and other teachers.

关键词

高分子化学难点教学体会

Keywords

Polymer chemistryDifficultyTeachingRealization

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