| abstract |
In the surface protection sheet which has an adhesive layer at least on one side of a base material, the adhesive is 0-300 weight part with respect to 100 weight part of styrene / isobutylene block copolymers, and 100 weight part of styrene / isobutylene block copolymers. A surface protective sheet comprising a softener and less than 0 to 20 parts by weight of a tackifying resin.n n n Pressure-sensitive adhesive, pressure-sensitive adhesive layer, surface protective sheet, styrene / isobutylene block copolymer, softener, tackifying resin, thermoplastic elastomer |