Technical study on ring-opening polymerization of THF by uniform design

doi:10.16085/j.issn.1000-6613.2015.02.025

Chemical Industry and Engineering Progree ›› 2015, Vol. 34 ›› Issue (02): 470-473,489.DOI: 10.16085/j.issn.1000-6613.2015.02.025

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Technical study on ring-opening polymerization of THF by uniform design

FAN Weiwei, FAN Xiaodong, LIAO Xiaoqing, ZHANG Wanbin

Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Science, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China

Received:2014-07-01 Revised:2014-10-08 Online:2015-02-05 Published:2015-02-05

均匀设计法研究聚四氢呋喃的阳离子开环聚合制备工艺

范伟伟, 范晓东, 廖小卿, 张万斌

西北工业大学理学院空间应用物理与化学教育部重点实验室及陕西省高分子科学与技术重点实验室, 陕西西安 710072

通讯作者: 范晓东,博士,教授,博士生导师,研究方向为高分子化学与物理。E-mail:xfand@126.com
作者简介:范伟伟(1987－),男,博士研究生
基金资助:
国家自然科学基金(21274116)及工业和信息化部"十二五"重点计量项目(J142011A001)

Abstract

Abstract: Polytetrahydrofuran (PTHF) was synthesized by cationic ring-opening polymerization of THF initiated by HClO₄/acetic anhydride. The effects of polymerization parameters,such as adding amount of HClO₄,acetic anhydride,and polymerization time,on the molecular weight and molecular weight distribution of PTHF were studied with uniform design. Relevant data were analyzed by multiple stepwise regression. The significance of adding amounts of acetic anhydride,HClO₄ and polymerization time on molecular weight of PTHF reduced in sequence,with negligible influence of polymerization time. At the same time,molecular weight distribution of PTHF could not be affected by technological parameters.

Key words: chemical process, polymerization, mathematical modeling, polytetrahydrofuran, uniform design

摘要： 采用高氯酸/乙酸酐引发四氢呋喃阳离子开环聚合制备出聚四氢呋喃,并用均匀设计法研究了各工艺参数的影响,通过多元逐步回归的方法对结果进行分析得到聚四氢呋喃产物相对分子质量的预测方程,同时评价了聚合过程中高氯酸加入量、乙酸酐加入量及聚合时间对产物相对分子质量和相对分子质量分布的影响。研究发现,在选取的研究范围内,乙酸酐加入量、高氯酸加入量和聚合时间对聚四氢呋喃产物相对分子质量影响的显著性依次降低,其中聚合时间的影响可以忽略;聚四氢呋喃的相对分子质量分布则几乎不受工艺参数的影响。

关键词: 化学过程, 聚合, 数学模拟, 聚四氢呋喃, 均匀设计

CLC Number:

TQ316.3

FAN Weiwei, FAN Xiaodong, LIAO Xiaoqing, ZHANG Wanbin. Technical study on ring-opening polymerization of THF by uniform design[J]. Chemical Industry and Engineering Progree, 2015, 34(02): 470-473,489.

范伟伟, 范晓东, 廖小卿, 张万斌. 均匀设计法研究聚四氢呋喃的阳离子开环聚合制备工艺[J]. 化工进展, 2015, 34(02): 470-473,489.

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Technical study on ring-opening polymerization of THF by uniform design

均匀设计法研究聚四氢呋喃的阳离子开环聚合制备工艺

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