| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a two-component casting thermosetting polyurethane elastomer composition for molding which is excellent in casting property with high JISA hardness of 80 or more, and also has excellent strength, water resistance, and compression resistance. <P>SOLUTION: The thermosetting polyurethane elastomer composition contains an isocyanate terminal urethane prepolymer (A) obtained from a polyisocyanate (a1) and a polyol (a2); and a curing agent (B). The polyol (a2) contains a polytetramethylene glycol (a2-1) and a polyalkylene ether glycol (a2-2) having a side chain derived from neopentyl glycol and tetrahydrofuran, and the curing agent (B) is an aromatic diamine. <P>COPYRIGHT: (C)2013,JPO&INPIT |
