Non-nitrile compound initiator used for vinyl acetate solution polymerization

doi:10.16085/j.issn.1000-6613.2015.02.036

Chemical Industry and Engineering Progree ›› 2015, Vol. 34 ›› Issue (02): 529-533.DOI: 10.16085/j.issn.1000-6613.2015.02.036

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Non-nitrile compound initiator used for vinyl acetate solution polymerization

CHEN Huan¹, CHEN Xiaopeng^1,2,3, LU Tairong^3,4, LIANG Ruixue¹, WEI Caiqin¹, GU Chuanjun¹

1. School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, Guangxi, China;
2. Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Nanning 530004, Guangxi, China;
3. Polymer Materials Engineering Technology Research Center of Guangxi Biomass Ethanol, Yizhou 546307, Guangxi, China;
4. Guangxi Guangwei Chemical Limited Liability Company, Yizhou 546307, Guangxi, China

Received:2014-07-21 Revised:2014-08-19 Online:2015-02-05 Published:2015-02-05

非腈复合引发剂用于乙酸乙烯溶液聚合

陈欢¹, 陈小鹏^1,2,3, 陆泰榕^3,4, 梁瑞雪¹, 韦彩琴¹, 顾传君¹

1. 广西大学化学化工学院, 广西南宁 530004;
2. 广西石化资源加工及过程强化技术重点实验室, 广西南宁 530004;
3. 广西生物质乙醇高分子材料工程技术研究中心, 广西宜州 546307;
4. 广西广维化工有限责任公司, 广西宜州 546307

通讯作者: 陈小鹏,教授,博士生导师,主要从事化学工程与技术方面的研究。E-mail:lilm@gxu.edu.cn
作者简介:陈欢(1989-),女,硕士研究生,从事基本有机化工研究。E-mail:hgjzch1989@163.com
基金资助:
广西科技攻关(桂科攻14122005-34)及广西创新计划(2014CXJHA08)项目

Abstract

Abstract: Solution polymerization was studied using vinyl acetate made by biological ethylene as monomer,lauroyl peroxide-dodecyl dimethyl tertiary amine as non-nitrile compound initiator,methanol as solvent. Influences of reaction temperature,reaction time,dosage of methanol,and dosage of initiator on polymerization exponent and the degree of polymerization were investigated. Reaction condition of vinyl acetate solution polymerization was optimized,and influence extent of factors affecting polymerization exponent and degree of polymerization was determined by using orthogonal experimental design. The results show that the optimum polymerization condition is as follows:reaction temperature 65℃,reaction time 3h,dosage of methanol 10%,dosage of initiator 0.010%. Poly (vinyl alcohol) was obtained,degree of polymerization is 3776,and polymerization exponent is 45.29%. The influence extents of these factors for polymerization exponent are in following order:dosage of initiator >reaction time >dosage of methanol >reaction temperature. The influence extents of these factors for degree of polymerization are in following order:dosage of methanol >dosage of initiator >reaction temperature >reaction time.

Key words: vinyl acetate, poly(vinyl alcohol), non-nitrile compound initiator, solution polymerization

摘要： 以生物乙烯法生产的乙酸乙烯为单体、过氧化月桂酰-十二烷基二甲基叔胺为非腈复合引发剂、甲醇为溶剂进行溶液聚合反应的研究。实验考察了反应温度、反应时间、甲醇用量、引发剂用量对反应产物聚合率和聚合度的影响,采用正交试验优化了乙酸乙烯溶液聚合的反应条件,确定反应因素对聚合率和聚合度影响的相对大小。结果表明,最优的乙酸乙烯溶液聚合条件为:反应温度65℃,反应时间3h,甲醇用量10%,引发剂用量0.010%,获得聚乙烯醇产品的聚合度为3776,聚合率为45.29%。直观分析确定影响聚合率的因素主次顺序为引发剂用量> 反应时间> 甲醇用量> 反应温度;影响聚合度的因素主次顺序为甲醇用量 >引发剂用量 >反应温度 >反应时间。

关键词: 乙酸乙烯, 聚乙烯醇, 非腈复合引发剂, 溶液聚合

CLC Number:

CHEN Huan, CHEN Xiaopeng, LU Tairong, LIANG Ruixue, WEI Caiqin, GU Chuanjun. Non-nitrile compound initiator used for vinyl acetate solution polymerization[J]. Chemical Industry and Engineering Progree, 2015, 34(02): 529-533.

陈欢, 陈小鹏, 陆泰榕, 梁瑞雪, 韦彩琴, 顾传君. 非腈复合引发剂用于乙酸乙烯溶液聚合[J]. 化工进展, 2015, 34(02): 529-533.

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Non-nitrile compound initiator used for vinyl acetate solution polymerization

非腈复合引发剂用于乙酸乙烯溶液聚合

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