STUDIES ON THE ORGANIC PEROXIDE AND N-2-HYDROXY- ETHYL-N-METHYL ANILINE INITIATION SYSTEMS

QIU Kun-yuan; GUO Da-jie; GUO Xin-qiu; FENG Xin-de

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STUDIES ON THE ORGANIC PEROXIDE AND N-2-HYDROXY- ETHYL-N-METHYL ANILINE INITIATION SYSTEMS

Research Article | 更新时间：2021-03-19

- STUDIES ON THE ORGANIC PEROXIDE AND N-2-HYDROXY- ETHYL-N-METHYL ANILINE INITIATION SYSTEMS
- Acta Polymerica Sinica Issue 1, Pages: 84-90(1991)
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- Published：20 February 1991，
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QIU Kun-yuan, GUO Da-jie, GUO Xin-qiu, FENG Xin-de. STUDIES ON THE ORGANIC PEROXIDE AND N-2-HYDROXY- ETHYL-N-METHYL ANILINE INITIATION SYSTEMS. [J]. Acta Polymerica Sinica (1):84-90(1991)
DOI：

QIU Kun-yuan, GUO Da-jie, GUO Xin-qiu, FENG Xin-de. STUDIES ON THE ORGANIC PEROXIDE AND N-2-HYDROXY- ETHYL-N-METHYL ANILINE INITIATION SYSTEMS. [J]. Acta Polymerica Sinica (1):84-90(1991) DOI：

摘要

测定了有机过氧化物与N-甲基-N-2-羟乙基苯胺(HMA)体系引发MMA聚合的动力学方程和聚合表现活化能。由过氧化物/HMA/MNP的ESR波谱证实芳叔胺HMA中

与氮原子相连的亚甲基的氢被摘去形成相应的碳自由基

它能引发单体聚合成为聚合物的端基。这也由聚合物的UV光谱所证实

由实验结果提出这类体系的引发机理。

Abstract

The polymerization of methyl methacrylate (MMA) initiated by organic peroxide

such as benzoyl peroxide (BPO)

lauroyl peroxide (LPO)

and N-2-hydroxyethyl-N-methyl aniline (HMA) binary systems has been studied. It was found that the presence of HMA can enhance the rate of polymerization and reduce the overall activation energy of polymerization either by using BPO or LPO as an initiator. The order of amine promoting activity is HMA> DMA(N

N-dimethyl aniline). The rate equations of MMA polymerization were found fit-ting well the equation of polymerization with redox initiation system. Based on the ESR studies and the end-group analysis the initiation mechanism of BPO/HMA binary system is then proposed in this papper.

关键词

有机过氧化物与N-甲基-N-2-羟乙基苯胺体系MMA聚合动力学ESR波谱

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