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http://dx.doi.org/10.7317/pk.2013.37.6.753

Modification of Polypropylene for Improving the Laser Transmission Weldability to Polycarbonate  

Kim, Dae-Jin (Agency of LINC, Kyungpook National University)
Jeon, Il-Ryeon (Department of Chemical Engineering, Kyungil University)
Park, Hae-Youn (Department of Polymer Science and Engineering, Kyungpook National University)
Seo, Kwan-Ho (Department of Polymer Science and Engineering, Kyungpook National University)
Publication Information
Polymer(Korea) / v.37, no.6, 2013 , pp. 753-763 More about this Journal
Abstract
Laser transmission welding of polymers is now used in a very wide range of industries due to its advantages. If the joining between polypropylene (PP) and polycarbonate (PC) occurs by laser transmission welding, the automotive headlight will get a large profit. However, PP/PC have poor miscibility. In the laser transmission welding results, the adhesion strength between PP and PC was very weak. In this study, PP was modified by grafting of glycidyl methacrylate (GMA). The adhesion strength of PC and PP-g-GMA as a reactive compatibilizer was observed. The adhesion strength was investigated by compatibility with PC, mechanical properties and laser transmission welding.
Keywords
laser; welding; modified PP; adhesion;
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