高等学校化学学报

高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (12): 1965.

• 论文 • 上一篇    下一篇

光引发剂多羟基胺连硫杂蒽酮的甲基取代效应

杨建文, 杨小毛, 陈用烈   

  1. 中山大学高分子研究所, 广州 510275
  • 收稿日期:1999-01-04 出版日期:1999-12-24 发布日期:1999-12-24
  • 通讯作者: 陈用烈
  • 作者简介:杨建文,男,31岁,博士,讲师.
  • 基金资助:

    广东省自然科学基金(批准号:960016)资助课题

Effect of Methyl Substitution on Polyhydroxyamine-linked Thioxanthones Photoinitiator

YANG Jian-Wen, YANG Xiao-Mao, CHEN Yong-Lie   

  1. Institute of Polymer Science, Zhongshan University, Guangzhou 510275, China
  • Received:1999-01-04 Online:1999-12-24 Published:1999-12-24

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被引次数

15

摘要： 用13CNMR,UV-Vis及荧光光谱等研究甲基取代对2-[2-羟基-3-(双(2-羟乙基)氨基)]丙氧基硫杂蒽酮光引发剂分子构象及光化学性能的影响.发现当其1,3-位均有甲基取代时,2-位烷氧基受邻位两个甲基的空间排斥作用,导致其光谱性质和光化学性能异常.

关键词: 硫杂蒽酮, 光引发剂, 紫外吸收, 荧光, 构象

Abstract: The effect of methyl substitution on the molecular conformation and photochemical properties of 2-(2-hydroxy-3-[bis(2-hydroxyethyl)amino]propoxy)thioxanthone(HAPTX) was investigated by 1HNMR, 13CNMR, UV absorption and fluorescence spectra. The two methyl groups at 1,3-position of thioxanthones may interact with 2-alkoxyl group through steric repulsion and lead to the photochemical properties of HAPTX with 1,3-dimethyl substitution different from others.

Key words: Thioxanthone, Photoinitiator, UV absorption, Fluorescence, Conformation

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