Melt synthesis and characterization of aliphatic low-Tg polyesters as pressure sensitive adhesives

Gozde I. Ozturk, Anthony J. Pasquale, Timothy Edward Long

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Polyesters, which are readily synthesized in the absence of solvent, are excellent candidates for a new generation of pressure sensitive adhesives (PSAs) due to their low cost and potential biodegradability. In this study, linear, all-aliphatic polyesters with low glass transition temperatures (Tg) were synthesized using a solvent-free, environmentally friendly melt polycondensation methodology. Polyesters of various compositions were synthesized from different diol and diester monomers to adjust the glass transition temperature and achieve optimum adhesive properties. Melt polycondensation of an isomeric mixture of dimethyl-1,4-cyclohexane dicarboxylate (DMCD), dimethyl adipate (DMAP), diethylene glycol (DEG), and triethylene glycol (TEG) generated a series of linear low-Tg polyesters. The synthesized polyesters were characterized using size exclusion chromatography (SEC), differential scanning calorimetry (DSC), and 1H NMR spectroscopy. The frequency- and temperature-dependent properties of the low-Tg polyesters were characterized using dynamic mechanical analysis (DMA). The adhesive performance of the polymers was evaluated using tack, peel, and shear strength measurements at ambient humidity and temperature. The low-Tg polyesters exhibited peel and tack properties comparable with commercial acrylic adhesives.

Original languageEnglish
Pages (from-to)395-408
Number of pages14
JournalJournal of Adhesion
Volume86
Issue number4
DOIs
Publication statusPublished - 2010 Apr 1
Externally publishedYes

Fingerprint

Polyesters
polyesters
adhesives
Adhesives
synthesis
Polycondensation
Glycols
glass transition temperature
glycols
biodegradability
Size exclusion chromatography
Biodegradability
shear strength
Dynamic mechanical analysis
chromatography
Cyclohexane
exclusion
Shear strength
cyclohexane
Nuclear magnetic resonance spectroscopy

Keywords

  • Adhesion
  • Aliphatic polyesters
  • Polyesters
  • Pressure sensitive adhesives

ASJC Scopus subject areas

  • Chemistry(all)
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Melt synthesis and characterization of aliphatic low-Tg polyesters as pressure sensitive adhesives. / Ozturk, Gozde I.; Pasquale, Anthony J.; Long, Timothy Edward.

In: Journal of Adhesion, Vol. 86, No. 4, 01.04.2010, p. 395-408.

Research output: Contribution to journalArticle

Ozturk, Gozde I. ; Pasquale, Anthony J. ; Long, Timothy Edward. / Melt synthesis and characterization of aliphatic low-Tg polyesters as pressure sensitive adhesives. In: Journal of Adhesion. 2010 ; Vol. 86, No. 4. pp. 395-408.
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