Adhesion Promoting Copolymer of Acetate-Protected Vinyl Catechol with Glycidyl Methacrylate: Unraveling Deprotection, Adsorption, and Adhesion Behaviors on Metal Substrates

Chien-Wei Chu; Yucheng Zhang; Tomohiro Kubo; Shiho Tanizaki; Ken Kojio; Kotaro Satoh; Atsushi Takahara

doi:10.1021/acsapm.2c00226

journal article·2022-05-13

Adhesion Promoting Copolymer of Acetate-Protected Vinyl Catechol with Glycidyl Methacrylate: Unraveling Deprotection, Adsorption, and Adhesion Behaviors on Metal Substrates

Chien-Wei Chu, Yucheng Zhang, Tomohiro Kubo, Shiho Tanizaki, Ken Kojio, Kotaro Satoh, Atsushi Takahara

ACS Applied Polymer Materials· Volume 4· Issue 5

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Source abstract

Abstract

Epoxy resins are one of the important and intensively used thermosetting adhesives in the automotive and electronic industries. Understanding and improving the interfacial interactions between epoxy adhesives and metal adherends are essential and urgent issues that need to be overcome to expand the scope of adhesive applications. In this study, a bioinspired acetate-protected vinyl catechol (Ac2VCa) monomer derived from natural caffeic acid was copolymerized with glycidyl methacrylate (GMA) to prepare a catechol-containing polymer─PGMA-co-P(Ac2VCa)─for the enhancement of interfacial adhesion. The deprotection of acetate protecting groups using a diamine was validated, allowing the achievement of the deprotection and adsorption of the PGMA-co-P(Ac2VCa) promoter in one processing procedure for its direct usage as the primer or additive. With the incorporation of catechol moieties, the strengthened interfacial interactions can effectively improve the lap shear strength of epoxy-adhesive-bonded metallic joints.

Source: openalex_inverted_index · Quality: baseline

Research context

Polymers

OpenAlex topics: Polymer Surface Interaction Studies · Advanced Sensor and Energy Harvesting Materials · Advanced Polymer Synthesis and Characterization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute for Materials Chemistry and Engineering, Kyushu University, Nishi-ku, Fukuoka819-0395, Japan

Department of Chemical Science and Engineering and School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo152-8550, Japan

Institute for Materials Chemistry and Engineering, Graduate School of Engineering, Next-generation Adhesion Technology Research Center, and International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, Nishi-ku, Fukuoka819-0395, Japan

Department of Molecular and Macromolecular Chemistry and Graduate School of Engineering, Nagoya University, Nagoya464-8603, Japan

Research Center for Negative Emission Technologies, Kyushu University, Nishi-ku, Fukuoka819-0395, Japan

Funding

Japan Science and Technology Agency

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