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聚(2,5—二丁氧基)苯撑的三阶非线性光学性质 总被引:1,自引:1,他引:1
报道了一种新的同可溶性好的,具有连苯结构的共轭有机聚合物;聚(2,5-二丁氧基)苯撑,采用四波混频方法测量了它在532nm和1064nm处的三阶非线性光学系数,由此推算出了非线性折射率,并讨论了的优质因子,指出了材料最适用的光波段。 相似文献
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<正> 环化聚异戊二烯-双叠氮型感光性高分子是一类应用广泛的负性光致抗蚀剂。关于它的光交联反应机理,许多人曾进行过研究,但是当这种具有三维网络结构的光交联聚合物完成其抗蚀使命后,怎样把它干净、彻底地从被涂表面去掉,是微细加工中急待解决的问题。常用的溶剂浸泡、高温加氧灼烧和等离子氧去胶法都存在着这样或那样的问题 相似文献
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This paper describes a new series of polyphenylquinozaline (PPQ). The starting material, para-bis(p-chlorophenylg!yoxaloyl)benzene(CPGB) was prepared via Grignard reaction. Chlorinated polyphenylquinoxaline was then obtained through cyclocondensa-tion reaction of 3, 3'-diaminotenzidine(DAB) and 3,3', 4,4'-tetramino-diphenyl ether (TAPE) with CPGB. They have higher T, than that of PPQ itself. Block and random copolymers of PPQ were prepared by the reaction of DAB and TAPE with 1,4-bis(phenylgloxaloyl) benzene (PGB) in m-cresol at room temperature. These poly-mers and copolymers exhibit higher thermoxidative stability, and excellent high-temperature resistance even in the presenceof water. 相似文献
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The degradation mechanism of photocrosslinking products formed by cyclized polyisoprene-diazide system under the influence of the different alkyl benzene sulfonic acids was studied. The effects of alkyl chain length and the concentration of alkyl benzene sulfonic acids on the rate of degradation reaction were discussed. It was found that in the initial stage of degradation, the cyclicity ratio and the average fused ring number did not change considerably, but the percentage of uncyclized parts content varied significantly. The suitable mechanism was supposed. 相似文献
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可溶性聚(2,5-二丁基氧基苯)薄膜荧光光谱的反常温度依赖特性马於光,吴英,张海峰,田文晶,沈家骢,刘式墉,孙猛(吉林大学分子光谱与分子结构开放实验室,集成光电子学国家实验室,长春,130023)(复旦大学高分子科学系)关键词聚(2,5-二丁基氧基苯... 相似文献
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