| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive for removing tiny foreign matter, comprising a polyurethane composition provided with proper pressure-sensitive adhesiveness and excellent separability. <P>SOLUTION: The pressure-sensitive adhesive for removing the tiny foreign matter, comprising the polyurethane composition is obtained by crosslinking-reacting a polyether polyol having 20-200 mgKOH/g of hydroxyl value, 2.5-4.0 of average functional group number, and 8-20% of EO content, and an aromatic polyisocyanate having 2.0-2.5 of average functional group number. <P>COPYRIGHT: (C)2011,JPO&INPIT |
