abstract |
Methacrylic resin of the present invention is characterized in that it was prepared using mercaptan and lactam as a coupling initiator, the alkyl methacrylate is included in the repeating unit, the weight average molecular weight (Mw) is 50,000-500,000 g / mol, the decomposition temperature by thermogravimetric analysis (TGA) is characterized in that more than 370 ℃. |