Synthesis and self-assembly of hyperbranched polyester peripherally modified by touluene-4-sulfonyl groups

  • Jiang G
  • Wang L
  • Chen T
 et al. 
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Abstract

In this paper, hyperbranched polyesters (HPs) were synthesized in the molten state from 2,2-bis(hydroxymethyl) propionic acid (bis-MPA) and 2-ethyl-2-hydroxymethyl-1,3-propanediol (TMP) using acid catalysis. The modified hyperbranched polyesters were obtained through the chemical modification of the hyperbranched polyester cores by substituting a controlled fraction of the terminal hydroxyl groups with touluene-4-sulfonyl chloride using triethylamine (TEA) as an acceptor of HCl. The resultant polyesters were characterized by1H NMR,13C NMR, FT-IR, UV and GPC and their self-assembly behaviors were investigated. The results revealed that self-assembled structures could be formed in selected solvents (trichloromethane/acetone or trichloromethane/n-hexane). © 2005 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • Hyperbranched polyesters
  • Self-assembly
  • Synthesis

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Authors

  • Guohua Jiang

  • Li Wang

  • Tao Chen

  • Haojie Yu

  • Xiaochen Dong

  • Chang Chen

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