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ENERGY RAY-CURABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET FOR INSPECTING STAMPERS
ENERGY RAY-CURABLE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET FOR INSPECTING STAMPERS
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机译:用于检查印章的能量射线固化型压敏胶粘剂和压敏胶粘剂
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摘要
Disclosed is an energy ray-curable pressure-sensitive adhesive composition having a polymer component and an energy ray polymerization initiator, the polymer component being a (meth)acrylate copolymer that includes a hydroxyl group or an energy ray-curable functional group in its molecule and has a mass average molecular weight of 500,000 to 1,000,000, and a content of components having a molecular weight of 2,000,000 or more in the polymer component being 15 mass % or less. Also disclosed is a pressure-sensitive adhesive sheet for inspecting stampers having a substrate sheet and an energy ray-curable pressure-sensitive adhesive layer formed on the substrate sheet using said energy ray-curable pressure-sensitive adhesive composition. The composition exhibits excellent adhesion to a substrate sheet and excellent durability and is able to be separated and removed easily from an adherend without leaving any residual material can be formed.
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