Phase‐mixed poly(ethylene glycol)/poly(trimethylolpropane triacrylate) semi‐interpenetrating polymer networks obtained by rapid network formation

Paul D. Drumheller, Jeffrey A. Hubbell

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The paper presents semi-interpenetrating polymer networks (semi-IPNs) of poly (ethylene glycol) (PEG) in poly (trimethylolpropane triacrylate) (TMPTA) synthesized from PEG melts in neat TMPTA monomer, using PEG of molecular weights from 4000 to 100,000 g/mol. Differential scanning calorimetry and transmission electron microscopy were used to examine phase separation occurring during network formation. The degree of phase separation was observed to depend upon the rate of PEG aggregation relative to the rate of network formation.

Original languageEnglish (US)
Pages (from-to)2715-2725
Number of pages11
JournalJournal of Polymer Science Part A: Polymer Chemistry
Volume32
Issue number14
DOIs
StatePublished - Nov 15 1994

Keywords

  • PEG
  • TMPTA
  • phase separation
  • semi‐IPN

ASJC Scopus subject areas

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

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