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高分子二苯甲酮光引发剂的制备及其光化学行为研究 被引量:1

Synthesis and Photochemical Research of Polymeric Benzophenone Photoinitiators
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摘要 通过3,5-二氨基-4′-苯硫基二苯甲酮(DATBP)与六亚甲基-1,6-二异氰酸酯(HDI)及N-甲基二乙醇胺(MDEA)进行逐步聚合反应,将二苯硫醚结构及共引发剂胺结构都引入到高分子链上,从而得到侧链含有二苯硫醚和二苯甲酮,主链含有共引发剂胺的聚氨酯型高分子光引剂(PUS-HSM)。傅立叶红外变换光谱、核磁共振氢谱及凝胶渗透色谱证实了高分子光引发剂的结构。紫外光谱证实了高分子的结构对二苯甲酮单元的最大紫外吸收几乎没有影响。电子自旋共振光谱表明PUS-HSM产生自由基的效率较高。 A novel thio-containing polyurethane as macrophotoinitiator(PUS-HSM) was synthesized through step polymerization of 3,5-diamino-4′-thiophenylbenzophenone(DATBP),hexamethylene-1,6-diissocyanate(HDI) and N-methyldiethanolamine(MDEA).The benzophenone and coinitiator amine structures were successfully introduced into the backbones of PUS-HSM.A macrophotoinitiator without coinitiator amine in polymer chain(PUS-HS),a macrophotoinitiator without thio group(PUS-HCM) and a macroamine(PUHA) were also synthesized for comparison.FT-IR,1H NMR and GPC analyses confirmed the structures of all polymers.UV-Vis spectra show the macromolecular chain has no obvious effect on the maximal absorption of benzophenone moieties.ESR spectra indicate PUS-HSM can generate free radicals most efficiently.
出处 《盐城工学院学报(自然科学版)》 CAS 2010年第2期7-13,共7页 Journal of Yancheng Institute of Technology:Natural Science Edition
基金 江苏省高校自然科学研究基金项目(08KJB430015) 江苏省生态环境重点实验室自然研究基金项目(XKY2007001)
关键词 高分子光引发剂 二苯甲酮 光化学 polymeric photoinitiator benzophenone photochemistry
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参考文献25

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同被引文献22

  • 1孙梦洲,何勇,吴刚强,聂俊.二芳酮-可聚合胺紫外光引发1,6-己二醇二丙烯酸酯聚合的动力学研究[J].感光科学与光化学,2007,25(1):41-49. 被引量:7
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  • 9Karahan,Balta D K,Arsu N,et al.Synthesis and evaluations of novel photoinitiators with side-chain benzophenone,derived from alkylα-hydroxymethacrylates[J].J Photochem Photobio A:Chem,2014,274:43-49.
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