Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1997-05-29
1998-02-03
Woodward, Ana
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
524474, 524484, 524505, C09U 702, C08L 906
Patent
active
057142548
ABSTRACT:
A low melt viscosity, hot melt pressure sensitive adhesive composition having enhanced tack properties is provided. The composition is based on an S-I-S block copolymer having polystyrene and polyisoprene block segments blended with a petroleum tackifier resin which is a blend of a C.sub.5 -C.sub.9 aromatic modified aliphatic petroleum resin and a hydrogenated, alicyclic monomer containing hydrocarbon resin. The composition optionally also includes a polystyrene-polyisoprene diblock copolymer and a processing oil. The composition may be readily applied as solvent-free melt to various substrates using coating die technology because of its low melt viscosity at coating temperatures.
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Encyclopedia of Chemical Technology, (Fourth Edition), 1995, vol. 13, pp. 727-728.
Exxon Chemical Patents Inc.
Muller William G.
Schneider John E.
Woodward Ana
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