Copolymerization and Characterization of Hydroxyethyl Acrylate and Maleic Anhydride

CHEN Xing-ren; CHEN Ling-he; HUANG Fu-hai; HUANG Jie; SONG Ya-nan; WANG Ting; LIU Zu-guang

doi:10.14028/j.cnki.1003-3726.2023.12.010

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Copolymerization and Characterization of Hydroxyethyl Acrylate and Maleic Anhydride

更新时间：2023-11-23

- Copolymerization and Characterization of Hydroxyethyl Acrylate and Maleic Anhydride
- Polymer Bulletin Vol. 36, Issue 12, Pages: 1699-1705(2023)
- 作者机构：
  
  广西民族大学化学化工学院　广西林产化学与工程重点实验室/协同创新中心　林产化学与工程国家民委重点实验室，南宁　530006
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2023.12.010
  CLC：
- Published：20 December 2023，
  
  Received：21 March 2023，
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CHEN Xing-ren, CHEN Ling-he, HUANG Fu-hai, HUANG Jie, SONG Ya-nan, WANG Ting, LIU Zu-guang. Copolymerization and Characterization of Hydroxyethyl Acrylate and Maleic Anhydride. [J]. Polymer Bulletin 36(12):1699-1705(2023)
DOI：

CHEN Xing-ren, CHEN Ling-he, HUANG Fu-hai, HUANG Jie, SONG Ya-nan, WANG Ting, LIU Zu-guang. Copolymerization and Characterization of Hydroxyethyl Acrylate and Maleic Anhydride. [J]. Polymer Bulletin 36(12):1699-1705(2023) DOI： 10.14028/j.cnki.1003-3726.2023.12.010.

摘要

以过硫酸铵引发丙烯酸羟乙酯和马来酸酐水溶液聚合

合成了不同摩尔比的共聚物。采用毛细管膨胀计测定了共聚合反应的转化率

通过酸碱滴定测定了共聚物的组成

并采用YBR法得到丙烯酸羟乙酯和马来酸酐的竞聚率分别为

=2.3188和

=0.0272

表明要得到组成均匀的共聚物

需要将丙烯酸羟乙酯缓慢滴加到马来酸酐中。此外

通过电位滴定法测定了丙烯酸羟乙酯与马来酸酐的投料摩尔比为7∶3时

聚合物的p

和p

值分别为4.33和7.59。

Abstract

Copolymers with varying molar ratios were created by initiating hydroxyethyl acrylate and maleic anhydride monomers with ammonium persulfate. A capillary dilatometer was used to measure the conversion of copolymerization. The copolymer’s composition curve was determined using acid-base titration

and the reactivity ratios of hydroxyethyl acrylate to maleic anhydride were determined using the YBR method. According to the calculation results

1(HEA)

and

2(MA)

were 2.3188 and 0.0272

respectively

indicating that hydroxyethyl acrylate should be slowly added to maleic anhydride in order to obtain a uniform copolymer. Finally

it can be obtained by potentiometric titration

the p

and p

values of copolymer with the molar feed ratio of 7∶3 are 4.33 and 7.59

respectively.

关键词

马来酸酐丙烯酸羟乙酯共聚合竞聚率pKa

Keywords

Maleic anhydrideHydroxyethyl acrylateCopolymerizationReactivity ratiopKa

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