Structural effects of glycol and benzenedicarboxylate units on the adhesion of water-soluble polyester sizes to polyester fibers

Enqi Jin, Zhifeng Zhu, Yiqi Yang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The adhesion of water-soluble polyester (WSP) sizes to polyester fibers was investigated to reveal the relation between the functions of glycol and benzenedicarboxylate units in WSP macromolecules and the adhesion in order to improve the performance of WSP in warp sizing. Serial WSPs with the variation in both glycol and benzenedicarboxylate structures were synthesized through a two-step reaction: transesterification and polycondensation. The adhesion was evaluated in terms of tensile strength and work-to-break using a slightly sized polyester roving method. The adhesion depended markedly on the structures of glycol and benzenedicarboxylate units. The decrease in the length of glycol unit enhanced the adhesion. With the increase in the amount of dimethyl isophthalate-5-sodium sulfonate (SIPM), the adhesion initially increased and then decreased while the amount of dimethyl isophthalate (DMI) appreciably affected the adhesion. Suitable monomers for the preparation of the sizes were ethylene glycol, dimethyl terephthalate (DMT), DMI, and SIPM. To achieve maximum adhesion, the proportion of benzenedicarboxylate monomers in molar ratio should be about 64(DMT)/11(DMI)/25(SIPM). The adhesion of the WSP thus produced to polyester fibers is similar to that of polyacrylates, but better than that of PVA.

Original languageEnglish (US)
Pages (from-to)1112-1120
Number of pages9
JournalJournal of the Textile Institute
Volume101
Issue number12
DOIs
StatePublished - Dec 1 2010

Fingerprint

glycols
Glycols
Polyesters
polyesters
adhesion
Adhesion
Water
Fibers
water
polyacrylic acid
Monomers
Ethylene Glycol
Tensile Strength
transesterification
sulfonates
ethylene glycol
Transesterification
Polycondensation
tensile strength
Ethylene glycol

Keywords

  • Adhesion
  • Molecular structure
  • Warp sizing agent
  • Water-soluble polyester

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Polymers and Plastics
  • Industrial and Manufacturing Engineering
  • Agricultural and Biological Sciences(all)

Cite this

Structural effects of glycol and benzenedicarboxylate units on the adhesion of water-soluble polyester sizes to polyester fibers. / Jin, Enqi; Zhu, Zhifeng; Yang, Yiqi.

In: Journal of the Textile Institute, Vol. 101, No. 12, 01.12.2010, p. 1112-1120.

Research output: Contribution to journalArticle

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