Synthesis of Poly(acrylamido-azobenzene) by RAFT Polymerization

Guang-hua LI; Chun-ying WANG; Liang-rui NIE; Guang-dong WANG; Yi-zhong HUANG

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Synthesis of Poly(acrylamido-azobenzene) by RAFT Polymerization

更新时间：2022-09-18

- Synthesis of Poly(acrylamido-azobenzene) by RAFT Polymerization
- Polymer Bulletin Vol. 26, Issue 2, Pages: 61-66(2013)
- 作者机构：
  
  广西大学化学化工学院，广西石化资源加工及过程强化技术重点实验室，南宁　530004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013-02，
  
  Received：14 September 2012，
  
  Revised：17 October 2012，
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Guang-hua LI, Chun-ying WANG, Liang-rui NIE, Guang-dong WANG, Yi-zhong HUANG. Synthesis of Poly(acrylamido-azobenzene) by RAFT Polymerization. [J]. Polymer Bulletin 26(2):61-66(2013)
DOI：

Guang-hua LI, Chun-ying WANG, Liang-rui NIE, Guang-dong WANG, Yi-zhong HUANG. Synthesis of Poly(acrylamido-azobenzene) by RAFT Polymerization. [J]. Polymer Bulletin 26(2):61-66(2013) DOI：

摘要

以二硫代苯甲酸苄酯(BDTB)为链转移剂

偶氮二异丁腈(AIBN)为引发剂

丙烯酰胺基偶氮苯(AAAB)为单体

DMF为溶剂

利用可逆加成-断裂链转移(RAFT)聚合法合成了聚丙烯酰胺基偶氮苯(PAAAB)

并考察了聚合温度和链转移剂浓度对聚合反应的影响。通过FT-IR、

H-NMR、GPC等对链转移剂和聚合物结构进行了表征。结果表明:聚合反应动力学曲线呈良好的线性关系

分子量分布窄;随着[BDTB]/[AIBN]

比例的增大

聚合速率和分子量下降

分子量分布变窄。

Abstract

In this paper

poly(acrylamido-azobenzene) (PAAAB) was synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization of acrylamido-azobenzene (AAAB) in DMF solvent

using benzyl dithiobenzoate (BDTB) as RAFT agent and α

α'-azobis(isobutyronitrile) (AIBN) as initiator. The effects of reaction temperature and the concentration of BDTB on the polymerization of AAAB were investigated. The structures of BDTB and PAAAB were characterized by FT-IR

H-NMR

and GPC. The results showed that the kinetic curves of the polymerization reveal good linear relationship

and the molecular weight distribution was narrower;when the ratio of [BDTB] to [AIBN]

increases

the polymerization rate and molecular weight of PAAAB were decreased and the molecular weight distribution becomes narrow.

关键词

丙烯酰胺基偶氮苯二硫代苯甲酸苄酯RAFT聚合合成

Keywords

Acrylamido-azobenzene(AAAB)Benzyl dithiobenzoate(BDTB)RAFT PolymerizationSynthesis

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