Mixture Design Approach to PEG-PPG-PTMG Ternary Polyol-Based Waterborne Polyurethanes

Chien Hsin Yang, Yat June Li, Ten Chin Wen

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

A systematic modeling analysis for polyaddition of isophorone diisocyanate to poly(oxyethylene) glycol, poly(oxypropylene) glycol, and poly(oxytetramethylene) glycol (PEG-PPG-PTMG) ternary polyol-based waterborne polyurethane (PU) synthesized by a modified acetone process was performed. Using a mixture of experimental designs, empirical models are fitted and plotted as contour diagrams which facilitate revealing the synergistic/antagonistic effects between the mixed polyols. The results indicate that each component demonstrates different performances in either binary (PEG-PPG, PPG-PTMG, and PEG-PTMG) or ternary (PEG-PPG-PTMG) systems with the PTMG-based waterborne polyurethane, which is the best material for film tensile strength and ultimate elongation. Particle size analysis shows that finer particles are obtained in the dispersion of PEG-containing waterborne polyurethane while the dispersion behavior of PEG-rich waterborne PU exhibits the water-soluble polymer plastisol; in contrast, larger particles are achieved in the dispersion of PTMG (or PPG)-rich waterborne PUs, which demonstrates the polymer latex behavior.

Original languageEnglish
Pages (from-to)1614-1621
Number of pages8
JournalIndustrial and Engineering Chemistry Research
Volume36
Issue number5
DOIs
Publication statusPublished - 1997 May

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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