Patent ID: 9120955
Filing Date: 2015-09-01
Classification: B32B,C04B,C08K,C09J,H01G,H01L,Y10T

Abstract:
1. A double-sided pressure-sensitive adhesive tape or sheet, comprising a heat-releasable pressure-sensitive adhesive layer containing a heat-expandable microsphere on one side of a substrate, and a pressure-sensitive adhesive layer for temporary fixing free from heat-expandable microspheres on another side of the substrate, wherein the pressure-sensitive adhesive layer for temporary fixing has a tensile pressure-sensitive adhesive strength of 2.0 to 20 N/20 mm in width and an amount of displacement of 0.3 mm/20 mm in width or less, and the pressure-sensitive adhesive layer for temporary fixing is crosslinked with an isocyanate or epoxy crosslinking agent.