| 摘要 |
This invention is an adhesive formulation for die cuttable labels which comprises: (a) 100 parts by weight of a styrene-isoprene-styrene block copolymer having an overall number average molecular weight of 50,000 to 450,000, a polystyrene content of 10 to 25 percent weight, and a coupling efficiency of less than 70 percent, (b) from 5 to 30 parts by weight per 100 parts of block copolymer of polystyrene having a number average molecular weight of at least 50,000, (c) from 120 to 200 parts by weight per 100 parts of block copolymer of a tackifying resin, and (d) from 5 to 50 parts by weight per 100 parts of block copolymer of extending oil.
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