| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a blocked polyisocyanate which does not uses an organometallic compound and excels in low temperature curability and a urethane composition including the same. <P>SOLUTION: The blocked polyisocyanate has both an isocyanate group blocked with a pyrazole compound and a cationic group in the molecule at an equivalent weight ratio of 50:50 to 95:5. <P>COPYRIGHT: (C)2010,JPO&INPIT |
