An effect of surface treatment on adhesion behavior of poly (butylene terephthalate)

Yasushi Okamoto, Kazuo Kato, Takashi Aoki, Takao Izumi, Keiji Tanaka, Osami Sakata, Sono Sasaki, Atsushi Takahara, Tisato Kajiyanm

Research output: Contribution to conferencePaperpeer-review

Abstract

An effect of surface treatment on adhesion behavior of poly (butylene terephthalate) (PBT) with epoxy adhesive was studied. In general, PBT is supposed to be annealed at a temperature above the glass transition temperature to obtain dimensional stability for the practical use. However, such an annealing procedure makes the adhesion properties poorer. In this study, we demonstrate that tensile adhesive strength for annealed PBT could be improved through UV irradiation or chemical etching treatment. Tensile adhesive strength increased with increasing surface density of C-O and C=O groups, which were quantitatively detected by XPS. Finally, it was concluded that chemical interaction between carboxyl and/or ester groups of PBT and hydroxyl groups of epoxy adhesive was a responsible factor in improving adhesive strength between PBT and epoxy adhesive.

Original languageEnglish
Pages3289-3290
Number of pages2
Publication statusPublished - 2005
Event54th SPSJ Symposium on Macromolecules - Yamagata, Japan
Duration: Sep 20 2005Sep 22 2005

Other

Other54th SPSJ Symposium on Macromolecules
Country/TerritoryJapan
CityYamagata
Period9/20/059/22/05

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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