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HEISS-SCHMELZ PRESSURE-FINISHED adhesive with COHESIVE ABBRUCH
HEISS-SCHMELZ PRESSURE-FINISHED adhesive with COHESIVE ABBRUCH
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机译:HEISS-SCHMELZ压敏胶粘剂
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摘要
A hot melt pressure sensitive adhesive comprising a) from about 15% to about 40% by weight of a block copolymer having a coupling efficiency of less than about 75%; b) from about 20% to about 50% by weight of a tackifying resin selected from the group consisting of those tackifying resins having a softening point of less than about 100° C.; c) from about 30% to about 50% by weight of a plasticizing oil; and d) up to about 15% of a compatible polymer wherein the total polymer content does not exceed 40% by weight of the adhesive wherein the hot melt pressure sensitive adhesive fails cohesively during use.
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