Effects of Light-Induced Regularity on the Physical Properties of Multiphase Polymers

✍ Scribed by Kosuke Murata; Tasuku Murata; Hideyuki Nakanishi; Tomohisa Norisuye; Qui Tran-Cong-Miyata

• Publisher: John Wiley and Sons
• Year: 2009
• Tongue: English
• Weight: 321 KB
• Volume: 294
• Category: Article
• ISSN: 1438-7492
• DOI: 10.1002/mame.200800306

✦ Synopsis

Abstract

A method that combines UV irradiation and pausing was developed to manipulate the regularity and the length scales of the morphology generated by phase separation in full‐interpenetrating polymer networks of polystyrene and poly(methyl methacrylate). Upon increasing the pause time of photopolymerization and photo‐crosslink processes, the morphology gradually changes from hexagonal‐like packing to random structures. The width of the loss tan δ obtained for these phase‐separated materials changes with the morphological regularity, suggesting a potential technique for fabrication of mechanical bandgap materials.

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