Fluorescences and Forms of Water Soluble Copolymers of Styrelle and Acrylic Acid

Abstract

Abstract: The relationship between the fluorescences and structrue of the copolymer of styrene and acrylic acid (ST-AA) was investigated in aqueous solution.When the concentration of ST-AAincreased, there exist monomer fluorescence (λ_ex=258nm, λ_cm=27Onm) and excimer fluorescence(λ_cm=375 nm).The excimer fluorescence intensities increased with increasing the concentration of ST-AAand with decreasing pHvalues.When trace amount of molybdenum compound[Mo₃O₂(O₂CCH₃), (H₂O)₃].Br₂.2H₂O, was added into the aqueous solution of ST-AA, the excimer fluorescence intensities were increased

Key words: Copolymer of styrene and acrylic acid, Molbdenum compound, Fluorescence

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WUYUN Qimu-Ge, WU Hong-Ying, B-Gereltu, WU Ha-Shen. Fluorescences and Forms of Water Soluble Copolymers of Styrelle and Acrylic Acid[J]. Chem. J. Chinese Universities, 1997, 18(3): 492.

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Fluorescences and Forms of Water Soluble Copolymers of Styrelle and Acrylic Acid

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