Synthesis of Macrophotoinitiator Based on HAPK and Kinetics for Photopolymerization of TPGDA

doi:10.7517/j.issn.1674-0475.2006.03.204

Imaging Science and Photochemistry ›› 2006, Vol. 24 ›› Issue (3): 204-210.DOI: 10.7517/j.issn.1674-0475.2006.03.204

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Synthesis of Macrophotoinitiator Based on HAPK and Kinetics for Photopolymerization of TPGDA

XIAO Pu¹, WU Gang-qiang¹, SHI Su-qing¹, NIE Jun^1,2

1. Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, Hubei, P. R. China;
2. College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China

Received:2005-12-14 Revised:2006-02-08 Online:2006-05-23 Published:2006-05-23

Abstract

Abstract: Novel macrophotoinitiator (HTPTH) was synthesized via reaction of α-hydroxy alkylphenones (HAPK),toluene-2,4-diisocynate (TDI),polyethylene glycol 600 (PEG 600),and hydroxy ethyl acrylate (HEA).The reaction was followed using FTIR spectroscopy and the product was confirmed using FTIR.The kinetics for photopolymerization of tripropylene glycol diacrylate (TPGDA) using HTPTH as photoinitiator was studied by photo-DSC.It showed that HTPTH concentration and light intensity have similar effect on photopolymerization.The increase in HTPTH concentration and light intensity led to the increase in the polymerization rate and the final conversion.

Key words: photopolymerization, macrophotoinitiator, kinetics, photo-DSC

CLC Number:

XIAO Pu, WU Gang-qiang, SHI Su-qing, NIE Jun. Synthesis of Macrophotoinitiator Based on HAPK and Kinetics for Photopolymerization of TPGDA[J]. Imaging Science and Photochemistry, 2006, 24(3): 204-210.

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Synthesis of Macrophotoinitiator Based on HAPK and Kinetics for Photopolymerization of TPGDA

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