C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1817, 400/30
C08L 53/02 (2006.01) C08L 93/00 (2006.01) C09J 7/02 (2006.01) C09J 153/02 (2006.01)
Patent
CA 1087341
TACKY ADHESIVE Abstract of Disclosure -- A highly tacky pressure- sensitive adhesive which possesses superior "finger tack" and skin adhesion, as well as the ability to adhere to oily surfaces. The adhesive comprises a thermoplastic component and a resin component and the thermoplastic component consists essentially of about 55-85 parts, preferably about 60-75 parts, of a simple A-B block copolymer wherein the A-blocks are derived from styrene and the B-blocks are de- rived from isoprene, and about 15-45 parts, preferably about 25-40 parts, of a linear or radial A-B-A block copolymer. The total styrene-derived A-block content of the copolymers is less than 20 percent of their total weight and the A-blocks of the A-B block copoly- mers constitute about 10-18, preferably about 12-16, percent by weight of the A-B copolymers. The resin component may be conventional.
277396
Johnson & Johnson
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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