STUDIES ON VINYL POLYMERIZATION WITH INITIATION SYSTEM CONTAINING AMINE DERIVATIVES

QIU Kunyuan; ZHANG Jingyi; FENG Xinde （S. T. Voong）

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STUDIES ON VINYL POLYMERIZATION WITH INITIATION SYSTEM CONTAINING AMINE DERIVATIVES

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- STUDIES ON VINYL POLYMERIZATION WITH INITIATION SYSTEM CONTAINING AMINE DERIVATIVES
- Vol. 1, Issue 1, Pages: 53-59(1983)
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- Published：20 July 1983
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QIU Kunyuan, ZHANG Jingyi, FENG Xinde （S. T. Voong）. STUDIES ON VINYL POLYMERIZATION WITH INITIATION SYSTEM CONTAINING AMINE DERIVATIVES[J]. 1983, 1(1): 53-59.
DOI：

QIU Kunyuan, ZHANG Jingyi, FENG Xinde （S. T. Voong）. STUDIES ON VINYL POLYMERIZATION WITH INITIATION SYSTEM CONTAINING AMINE DERIVATIVES[J]. 1983, 1(1): 53-59. DOI：

摘要

Two main types of amine-containing initiation systems were studied in this work. In the case of MMA polymerization initiated by BPO-amine (DMT

DHET

DMA) redox systems

it was found that the polymerization rate and colour stability of the polymer for different amine systems were in the following order: DMT≈DHET>DMA. Accordingly

BPO-DMT and BPO-DHET are effective initiators. In the case of MEMA polymerization by amine (DMT

DHET

DMA) alone

it was found that the polymerization rate and the percentage of conversion for these different amine systems were in the following order:SMT≥DHET>DMA.The polymerization rate and the percentage of conversion also increased with increase of DMT concentration.From the kinetic investigation the rate equation Rp=K[DMT]1/2[MEMA]3/2 was obtained

and the overall activetion energy of polymerization was calculated to be 34.3KJ/mol (8.2 Kcal/mol).Moreover

the polymerization of MEMA in the presence of DMT was strongly inhibited by hydroquinone

indicating the polymerization being free radical in nature.From these results

the mechanism of MEMA polymerization initiated by amine was proposed.

Abstract

Two main types of amine-containing initiation systems were studied in this work. In the case of MMA polymerization initiated by BPO-amine (DMT

DHET

DMA) redox systems

it was found that the polymerization rate and colour stability of the polymer for different amine systems were in the following order: DMT≈DHET>DMA. Accordingly

BPO-DMT and BPO-DHET are effective initiators. In the case of MEMA polymerization by amine (DMT

DHET

DMA) alone

and the overall activetion energy of polymerization was calculated to be 34.3KJ/mol (8.2 Kcal/mol).Moreover

the polymerization of MEMA in the presence of DMT was strongly inhibited by hydroquinone

indicating the polymerization being free radical in nature.From these results

the mechanism of MEMA polymerization initiated by amine was proposed.

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