Journal
ACS APPLIED POLYMER MATERIALS
Volume 1, Issue 12, Pages 3452-3458Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.9b00871
Keywords
polypropylene (PP); surface modification; metal-polymer adhesion; electroless plating; chlorine dioxide; light activation
Funding
- JSPS KAKENHI [17H03114, 17K18014]
- JSPS Core-to-Core Program, B. Asia-Africa Science Platforms
- New Energy and Industrial Technology Development Organization (NEDO) of Japan
- Environment Research and Technology Development Fund of the Environmental Restoration and Conservation Agency of Japan
- Grants-in-Aid for Scientific Research [17K18014, 17H03114] Funding Source: KAKEN
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Metal-plastics adhesion has received much attention from researchers due to its potential use in various industrial applications. However, the adhesion of plastics with metals is poor due to the low surface energy of plastics. Accordingly, the adhesion of plastics usually requires surface modification or the use of an adhesive primer. Recently, we developed a polymer surface modification method using the light-activated chlorine dioxide (ClO2 center dot) radical as oxidant. In this study, we investigated the adhesion behavior of PP film modified by this method. Improvements in hydrophilicity and adhesion property of PP were observed after oxidation. The oxidized PP film exhibited good adhesive properties with Al plate without any adhesives, and the adhesion strength could be further enhanced by increasing the oxidation temperature. Moreover, this study successfully developed an approach for the electroless metal plating on polymer surfaces. In addition, we also found that light irradiation only activated ClO2 center dot but had no direct modification on plastics.
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