Two-photon Absorption Photoinitiated Polymerization

Abstract

Abstract: Anovel two-photon photoninitiated polymerization is reported.The results of the study show that the two photon polymerization of TMPTMAcan be initiated by means of4,4-bis(di-n-butylamino)-E-stiebene(BDBAS) under600 nm strong laser.The light source that we used for the two photon polymerization is a YAGpumped dye laser whose oscillating wavelength repetition rate and single pulse energy are₆₀₀nm, 10 ns and15 mJ, respectively.The peak power density of radiation light tight-focused by means of bojective lens is3.8 GW/cm². The relative mechanism of the polymerization is discussed

Key words: Strong two-photon absorption, Initiator, Polymerization excited by laser

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YU Xiao-Qiang, WANG Chun, ZHAO Xian, WANG Xiao-Mei, YAN Yun-Xing-FANG Qi, SHAO Zong-Shu, JIANG Min-Hua, SUN Yu. Two-photon Absorption Photoinitiated Polymerization[J]. Chem. J. Chinese Universities, 2000, 21(12): 1953.

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Two-photon Absorption Photoinitiated Polymerization

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