| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a polymer good in residence deterioration resistance obtained by polymerizing a macromonomer and a vinyl monomer and a molded body excellent in yellow discoloration resistance obtained by the polymer.SOLUTION: There are provided a polymer obtained by polymerizing a monomer mixture containing a specific macromonomer (a) and a vinyl monomer and having 5% weight reduction temperature of 280°C or more, a manufacturing method of the monomer by polymerizing a raw material composition containing 100 pts.mass of a monomer mixture containing the macromonomer (a) and the vinyl monomer and 0.01 to 0.5 pt.mass of nonmetal chain transfer agent and a molded body obtained by molding the polymer.</p> |
