| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer capable of providing a thermal storage material excellent in moisture permeability and shape retention property after phase transition and excellent in moldability.SOLUTION: There is provided the polymer which has a constitutional unit derived from ethylene (A) and a constitutional unit expressed by a specific formula (B) and may have a constitutional unit expressed by a specific formula (C), and in which the number of the unit (A) is 70% to 99%, the total number of the unit (B) and the unit (C) is 1% to 30% based on 100% of the total number of the unit (A), the unit (B) and the unit (C) and in which the number of the unit (B) is 1% to 100% and the number of the unit (C) is 0% to 99% based on 100% of the total number of the unit (B) and the unit (C).SELECTED DRAWING: None |
