A study of monomer's effect on adhesion strength of UV-curable resins

Tzu Hsuan Chiang*, Tsung-Eong Hsien

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


This work studies the effects of the monomer types, the number of hydroxyl functional groups (-OH) on polyol monomers, and the equivalent weight ratio of dicycloaliphatic epoxide to polyol for cationic polymerization (the R value) on the adhesion strength of UV-curable epoxy resins applied to organic light-emitting device (OLED) packaging. It was found that the volume shrinkage of resins after UV curing is related to the crosslinking density of the resin. The smallest volume shrinkage implied the highest adhesion strength of resin on glass substrate since the internal stress was minimized. This study observed that the resin containing polyol monomer is able to achieve the smallest degree of shrinkage (1.72%) and the highest adhesion strength (153.35 kg/cm2) on glass substrate.

Original languageEnglish
Pages (from-to)520-531
Number of pages12
JournalInternational Journal of Adhesion and Adhesives
Issue number7
StatePublished - 1 Oct 2006


  • Adhesion strength
  • Monomer
  • UV-curable epoxy resin
  • Volume shrinkage

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