Imaging Science and Photochemistry ›› 2013, Vol. 31 ›› Issue (2): 103-116.DOI: 10.7517/j.issn.1674-0475.2013.02.003

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The Research and Present Situation of Cyclic Acetals in Photopolymerization

YANG Jin-liang1, WANG Ke-min2, NIE Jun1   

  1. 1. College of Material Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China;
    2. School of Material Science and Engineering, Changzhou University, Changzhou 213164, Jiangsu, P.R. China
  • Received:2012-12-03 Revised:2012-12-27 Online:2013-03-15 Published:2013-03-15

Abstract: Cyclic acetals, a kind of photo-sensitive compounds, were widely investigated during the 1960s.However, the drawbacks of cyclic acetals, such as the narrow range of absorption wavelength and the low initiation efficiency, had limited the development in the late 20th century. Nevertheless, in the recent five years, cyclic acetals such as 1,3-benzodioxole have drawn renewed attention in photopolymerization, especially in the field of photopolymerized biomaterials, since cyclic acetals could be used as coinitiator so as to increase the initiation efficiency or decrease the toxicity of photoinitiating system. In this paper, the photopolymerization behavior of cyclic acetals has been systematically described, and the research progress of cyclic acetals as photoinitiator or co-initiator has also been discussed in detail.

Key words: cyclic acetals, 1,3-benzodioxole, photopolymerization, photoinitiator

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