Comparison between adhesion properties of adhesive bonding and adhesive-free adhesion for heat-assisted plasma-treated polytetrafluoroethylene (PTFE)

Ohkubo, Yuji; Shibahara, Masafumi; Nagatani, Asahiro et al.

Journal of Adhesion, 2018, 96(8), 776-796

Number of Access:947（2025-11-23 20:03 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/84518

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Title
Comparison between adhesion properties of adhesive bonding and adhesive-free adhesion for heat-assisted plasma-treated polytetrafluoroethylene (PTFE)
Creator
NRID
1000010525786 1000010525786
ORCID
0000-0001-7366-5108 0000-0001-7366-5108
researchmap permalink
okb okb
Scopus Author ID
37461879400 37461879400
CreatorName
Ohkubo, Yuji
NRID
1000080470219 1000080470219
CreatorName
Shibahara, Masafumi
NRID
1000010470220 1000010470220
CreatorName
Nagatani, Asahiro
NRID
1000020553085 1000020553085
CreatorName
Honda, Koji
NRID
1000090152008 1000090152008
researchmap permalink
endo5352 endo5352
Scopus Author ID
7402712908 7402712908
CreatorName
Endo, Katsuyoshi
NRID
1000060240074 1000060240074
researchmap permalink
read0014013 read0014013
Scopus Author ID
7201754767 7201754767
CreatorName
Yamamura, Kazuya
Subject
Direct adhesion
epoxy/epoxides
fluoropolymers
heat-assisted plasma treatment
indirect adhesion
rubber
Abstract
Heating during plasma treatment, known as heat-assisted plasma treatment, has recently reported to positively affect the adhesion properties of polytetrafluoroethylene (PTFE). In the present study, the adhesion properties of adhesive bonding and adhesive-free adhesion were compared for plasma-treated PTFE with different plasma treatment times and with or without heating during the plasma treatment. The relations among adhesion strength, plasma treatment time, radical density ratio, surface morphology, and surface hardness were investigated. No correlation was found between the adhesion strength and the radical density ratio or between the adhesion strength and the oxygen-containing-functional-group ratio. In contrast, correlation was observed between the adhesion strength and the surface hardness. In addition, the heat-assisted plasma treatment time affected the recovery of the weak boundary layer on the PTFE surface. Adhesive-free adhesion was found to require a longer heat-assisted plasma treatment time than adhesive bonding in order to achieve a high adhesion strength such as 1 N/mm.
Publisher
Taylor & Francis
Source Title
Journal of Adhesion
Volume (Issue)
96(8)
Page
776-796
Date of Issued
2018-09-10
Language
English
Handle URL
https://hdl.handle.net/11094/84518
PISSN
00218464
eISSN
15455823
NCID
AA00692001
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1080/00218464.2018.1512859
Access Rights
open access
CopyRight
© 2018 The Author(s). Published with license by Taylor & Francis Group, LLC. This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article