STUDIES ON AMMONIUM PERSULFATE AND N-[(3-DIMETHYLAMINO)-PROPYL] ACRYLAMIDE REDOX INITIATION SYSTEMS

SI Kun; GUO Xin-qiu; QIU Kun-yuan

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STUDIES ON AMMONIUM PERSULFATE AND N-[(3-DIMETHYLAMINO)-PROPYL] ACRYLAMIDE REDOX INITIATION SYSTEMS

Research Bulletin | 更新时间：2021-03-19

- STUDIES ON AMMONIUM PERSULFATE AND N-[(3-DIMETHYLAMINO)-PROPYL] ACRYLAMIDE REDOX INITIATION SYSTEMS
- Acta Polymerica Sinica Issue 4, Pages: 508-512(1995)
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- Published：20 August 1995，
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SI Kun, GUO Xin-qiu, QIU Kun-yuan. STUDIES ON AMMONIUM PERSULFATE AND N-[(3-DIMETHYLAMINO)-PROPYL] ACRYLAMIDE REDOX INITIATION SYSTEMS. [J]. Acta Polymerica Sinica (4):508-512(1995)
DOI：

SI Kun, GUO Xin-qiu, QIU Kun-yuan. STUDIES ON AMMONIUM PERSULFATE AND N-[(3-DIMETHYLAMINO)-PROPYL] ACRYLAMIDE REDOX INITIATION SYSTEMS. [J]. Acta Polymerica Sinica (4):508-512(1995) DOI：

摘要

Abstract

N-[(3-DimetLylamino)-propyll acrylamide(DMAPAA) and N-[(3dimetliylamino)-propyl] methacrylamide(DMAPMA) were synthesized by the reaction of 3-dimethylamino-propylamine with acryloyl and methacryloyl chloride respectively at 0-5℃ temperature. The kinetics of the aqueous solution polylmerization of acrylamide(AAm) by using ammonium persulfate(APS) combined with DMAPAA or DMAPMA was investigated. The rate equations were given as:respectively. The overall activation energies of the polymerization were determined as low as 35.0kJ/mol and 41.0kJ/mol respectively. Based on the end-group analysis results

the reaction mechanism of DMAPAA or DMAPMA with APS was proposed to be similar to the initiation reation of persulfate/tertiary aliphatic amine redox system

and the resulting aminomethyl radicals were responsible for initiation of vinyl polymerization as well as sulfate radical.

关键词

N－取代丙烯酰胺氧化还原体系反应动力学端基分析反应机理

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