| abstract |
Disclosed is a dicing sheet in which the possibility of occurrence of adhesive sticking phenomenon is reduced. A dicing sheet 1 comprising a substrate 2 and an adhesive layer 3 laminated on at least one surface of the substrate 2, wherein the adhesive layer 3 is a polymer having a hydroxyl group (a1). , An isocyanate-based crosslinking agent (a2), an energy ray polymerizable compound (B), and a pressure-sensitive adhesive composition containing a tackifier resin (C), and the isocyanate contained in the pressure-sensitive adhesive composition The total amount (unit: mol) of isocyanate groups contained in the system cross-linking agent (a2) with respect to the total amount (unit: mol) of hydroxyl groups contained in components other than the isocyanate cross-linking agent (a2) contained in the pressure-sensitive adhesive composition The ratio NCO / OH ratio is 4 or more and 15 or less. [Selection] Figure 1 |