| 摘要 |
PROBLEM TO BE SOLVED: To provide a moisture-curing type polyurethane hot melt composition excellent in initial creeping properties.SOLUTION: There is provided a moisture-curing type polyurethane hot melt composition including a urethane prepolymer having an isocyanate group, which is obtained by reacting a cellulose nano-fiber composition (A), a polyol (B) and polyisocyanate (C), where the cellulose nano-fiber composition (A) contains a cellulose nano-fiber (a), and the cellulose nano-fiber (a) is obtained by miniaturizing cellulose in polyol. |
