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Synthesis and Properties of Photocurable Dipentaerythritol Modified Polymethacrylates  

Kim, Dong Kook (Department of Chemistry & Material Science, Hanyang University)
Lim, Jin Kyu (Department of Chemistry & Material Science, Hanyang University)
Kim, Woo Geun (Department of Chemistry & Material Science, Hanyang University)
Haw, Jung Rim (Department of Materials Chemistry & Engineering, Konkuk University)
Publication Information
Applied Chemistry for Engineering / v.16, no.1, 2005 , pp. 101-106 More about this Journal
Abstract
Photocurable modified 6 functional polyacrylate(PA-1) were prepared from dipentaerythritol derivatives (DPET) and acrylic acid, and 12 functional polymethacrylate(PA-2) were prepared from dipentaerythritol derivatives (DPET), trimellitic anhydride, and glycidyl methacrylate. And physical properties of photocurable modified poly(meth)acrylate were increased with increasing functionality of (meth)acrylate. Thermal stability of UV cured film obtained by using TGA was shifted to higher temperature as the increasing of functionality. Hardness, abrasion resistance and tensile strength of UV cured film were increased with increasing functionality of (meth)acrylate. Values of yellow index were increased with increasing functionality of (meth)acrylate.
Keywords
UV; polyacrylate; photocurable; dipentaerythritol; trimellitic anhydride;
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