| abstract |
(57) [Problem] To provide a polyester macromonomer which enables reuse of polyester resin waste and can be used industrially. SOLUTION: A polyester macromonomer having a structure represented by the following chemical formula (1). Embedded image Here, n is an integer of 1 to 50, X is a polymerizable functional group or hydrogen (except when hydrogen is simultaneously added to both terminals), and R is a glycol residue. |