Synthesis and photoinduced surface-relief grating of well-defined azo-containing polymethacrylates via atom transfer radical polymerization

被引：0
|
作者：
Wang, Gang [1 ]
Zhu, Xiulin [1 ]
Wu, Jianhong [2 ]
Zhu, Jian [1 ]
Chen, Xinrong [2 ]
Cheng, Zhenping [1 ]
机构：
[1] School of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215006, China
[2] Institude of Information Optical Engineering, Suzhou University, Suzhou 215006, China
来源：
Journal of Applied Polymer Science | 2007年 / 106卷 / 02期
关键词：
A well-defined photoresponsive polymethacrylate containing azo chromophores, poly[6-(4-phenylazophenoxy)hexylmethacrylate] [Poly(PPHM)], was prepared with azo-based monofunctional and difunctional initiators via atom transfer radical polymerization in the presence of CuCl/1,1,4,7,10,10- hexamethyltriethylenetetramine. The polymerizations with first-order kinetics were well controlled with theoretical expected molecular weight and narrow molecular weight distributions in two initiation systems. The UV absorption intensities of the poly (PPHM)s increased with increasing molecular weight of the poly(PPHM)s in all cases. The 80-nm surface-relief gratings with 2.7% efficient diffraction formed on the poly (PPHM) film surface were obtained with a linearly polarized krypton laser with 10 min of irradiation at a recording beam intensity of 188 mW/cm2 with a wavelength of 413,1 nm. © 2007 Wiley Periodicals, Inc;
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页码：1234 / 1242
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