| 摘要 |
PROBLEM TO BE SOLVED: To provide a moisture curable hot melt adhesive excellent in holding powder of a sheet at high temperature (50°C) while having ordinal condition adhesive strength and heat creep resistance at high levels.SOLUTION: The moisture curable hot melt adhesive is a reaction product of a polyisocyanate compound and a raw material composition containing crystalline polyester polyol of 20 to 30 mass%, polyether polyol of 35 to 40 mass%, an acrylic copolymer having glass transition temperature of 50 to 90°C of 15 to 25 mass% and thermoplastic polycaprolactone of 3 to 7 mass% and contains an urethane polymer containing an isocyanate group in a terminal.SELECTED DRAWING: None |
