title: A New Determination Method of the Solubility Parameter of Polymer Based on AIE.
abstract: An accurate method of the fluorescence probe approach based on an aggregation-induced emission (AIE) molecule (tetraphenylethylene) for measuring the solubility parameter of the polymer is reported. This method is distinctive in that the approach can make the polymer chain conformation in solution be related to the fluorescence intensity. Since the solubility parameter of the polymer is also closely linked to its chain conformation in solution, the solubility parameter can be determined by the fluorescence intensity. The range of the solubility parameter of polymethyl methacrylate (PMMA) tested by this method was from 9.00 cal1/2cm-3/2to 10.00 cal1/2cm-3/2. The results are more accurate than those obtained from the traditional turbidimetric titration method, ranging from 8.60 cal1/2cm-3/2to 12.15 cal1/2cm-3/2. According to the photoluminescence (PL) intensities spectra, the solubility parameters of PMMA and polyvinyl acetate (PVAc) are 9.19 cal1/2cm-3/2and 9.85 cal1/2cm-3/2, respectively.
authors.affiliation: School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China. Jiangshan@cczu.edu.cn.
authors.forename: Shan
authors.initials: S
authors.lastname: Jiang
authors.affiliation: School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China. 14101302@smail.cczu.edu.cn.
authors.forename: Tian Ya
authors.initials: TY
authors.lastname: Huang
authors.affiliation: School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China. wangkm61@gmail.com.
authors.forename: Ke Min
authors.initials: KM
authors.lastname: Wang
authors.affiliation: Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China. tangbenz@ust.hk.
authors.forename: Ben Zhong
authors.initials: BZ
authors.lastname: Tang
authors.affiliation: School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China. yuqiang@cczu.edu.cn.
authors.forename: Qiang
authors.initials: Q
authors.lastname: Yu
mesh_terms: D005456:Fluorescent Dyes / Q000737:chemistry*; D008968:Molecular Conformation; D019904:Polymethyl Methacrylate / Q000737:chemistry*; D011145:Polyvinyls / Q000737:chemistry*; D012995:Solubility; D012996:Solutions; D013050:Spectrometry, Fluorescence; D013343:Styrenes / Q000737:chemistry*
chemical_list: D005456:Fluorescent Dyes; D011145:Polyvinyls; D012996:Solutions; D013343:Styrenes; C013215:polyvinyl acetate; D019904:Polymethyl Methacrylate
keywords: aggregation-induced emission; conformation transition; luminescence; solubility parameter