Synthesis and characterization of chitosan-based waterborne polyurethane for textile finishes

Farah Naz, Mohammad Zuber, Khalid Mehmood Zia, Mahwish Salman, Jeet Chakraborty, Ipsita Nath, Francis Verpoort

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Chitosan has gained an increased interest of researchers due to its nontoxic, biodegradable, biocompatible and renewable properties as well as its antimicrobial activity. In this work, a series of chitosan-based waterborne polyurethane (CS-WPU) emulsions were synthesized. The synthesis was accomplished by using a two-step emulsion polymerization process. The pre-polymer was prepared using hexamethylene diisocyanate (HDI) and polyethylene glycol (PEG; MW = 6 kDa). Afterwards, the chain extension step was performed by using different mole ratios of chitosan. Moreover, the effect of chitosan on physicochemical properties of the emulsion was studied. To evaluate textile performances such as tear strength, tensile strength and pilling, the CS-WPU emulsion was applied on different plain weave polyester cotton dyed and printed fabrics by using pad-dry cure techniques. The antimicrobial activity of the treated and untreated fabrics was also evaluated via the agar diffusion method. The results displayed that incorporation of chitosan has prominent effects on tensile tear strength, tear strength and antimicrobial activity of polyester cotton dyed and printed fabrics. Moreover, antimicrobial activity was considerably enhanced as the mole ratio of the chitosan was increased. The results emphasize that CS-WPU based on HDI exhibits a better performance as compared to IPDI.

Original languageEnglish
Pages (from-to)54-62
Number of pages9
JournalCarbohydrate Polymers
Volume200
DOIs
Publication statusPublished - 15 Nov 2018

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Polyurethanes
Chitosan
Textiles
Emulsions
Polyesters
Cotton
Polyethylene glycols
Tensile strength
Emulsion polymerization
Agar
Polymers

Keywords

  • Antimicrobial activity
  • Chitosan-based waterborne polyurethane
  • Pilling
  • Tear strength
  • Tensile strength

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Synthesis and characterization of chitosan-based waterborne polyurethane for textile finishes. / Naz, Farah; Zuber, Mohammad; Mehmood Zia, Khalid; Salman, Mahwish; Chakraborty, Jeet; Nath, Ipsita; Verpoort, Francis.

In: Carbohydrate Polymers, Vol. 200, 15.11.2018, p. 54-62.

Research output: Contribution to journalArticle

Naz, Farah ; Zuber, Mohammad ; Mehmood Zia, Khalid ; Salman, Mahwish ; Chakraborty, Jeet ; Nath, Ipsita ; Verpoort, Francis. / Synthesis and characterization of chitosan-based waterborne polyurethane for textile finishes. In: Carbohydrate Polymers. 2018 ; Vol. 200. pp. 54-62.
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