Enhanced Adhesion Effect of Epoxy Resin on Metal Surfaces Using Polymer with Catechol and Epoxy Groups

被引：38

作者：

Zhang, Yucheng ^{[1
]}

Hasegawa, Koichi ^{[3
]}

Kamo, Sota ^{[4
]}

Takagi, Kiyoka ^{[4
]}

Ma, Wei ^{[2
]}

Takahara, Atsushi ^{[1
,2
]}

机构：

[1] Kyushu Univ, Inst Mat Chem & Engn, Nishi Ku, Fukuoka 8190395, Japan

[2] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Nishi Ku, Fukuoka 8190395, Japan

[3] Mitsubishi Heavy Ind Co Ltd, Res & Innovat Ctr, Nagoya, Aichi 4558515, Japan

[4] Mitsubishi Heavy Ind Co Ltd, Integrated Def & Space Syst, Toyoyama, Aichi 4800293, Japan

来源：

ACS APPLIED POLYMER MATERIALS | 2020年 / 2卷 / 04期

关键词：

controlled polymerization; epoxy adhesives; catechol anchoring; surface modification; metallic adherent; PROTEIN RESISTANCE; BEHAVIOR; BRUSHES; JOINTS; MODE; IMPROVEMENT; PHOSPHATE; ACID;

D O I：

10.1021/acsapm.9b01179

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Reinforcement of the interfacial interaction between epoxy adhesives and metallic materials was achieved by using poly( glycidyl methacrylate) ( PGMA) with N-(3,4-dihydroxyphenethyl)methacrylamide (DOPAm) fragments. The copolymer, namely P(GMA-co-DOMAm), was synthesized via reversible addition-fragmentation chain-transfer polymerization. Because of the catechol anchoring, the polymeric layer was successfully prepared by immersing metals in the copolymer solution for 1 h. The single-lap shear test demonstrated that the ultimate lap shear strength of the adherent with the polymeric layer was almost twice stronger than the bare one when the epoxy resin was utilized as adhesives. The X-ray photoelectron spectroscopic measurement at the adherent/adhesive interface revealed that the catechol-anchoring effect, as well as the cross-linking between the polymer brush and adhesives dramatically improved the performance of epoxy adhesives.

引用

页码：1500 / 1507

页数：8

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