| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyurethane material capable of ensuring the adhesiveness with an olefinic resin not subjected to surface treatment, and its manufacturing method. SOLUTION: The components of the polyurethane material being the constituent material of a foamed urethane resin 20 are composed of a modified polyolefin resin (A), which is obtained by modifying a polyolefin resin with at least a compound selected from an unsaturated carboxylic acid, etc. and characterized in that the modification quantity of the polyolefin resin is 0.1-below 50 mass% with respect to the amount of the polyolefin resin, a polyol compound (B) such as polyether polyol or the like of which the viscosity is 1,000-below 10,000 mPa s and a polyisocyanate compound (C), and the mass ratio [(B+C)/A] of the sum total amount of the polyol compound and the polyisocyanate compound and the modified polyolefin resin is 95/5-65/35. COPYRIGHT: (C)2009,JPO&INPIT
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