Adhesive composition

Details Adhesive composition Adhesive composition

C - Chemistry, Metallurgy

09

J

C09J 153/02 (2006.01)

Patent

CA 2159934

The invention relates to elastomeric hot melt adhesive compositions comprising at least one thermoplastic elastomer and at least one tackifying resin, the thermoplastic elastomer(s) being a styrene/butadiene/styrene (SBS) copolymer or a blend of styrene/butadiene/styrene with styrene/isoprene/styrene (SIS) in which SIS is present in an amount equal to or less than 50% by weight of the total block copolymer, the composition being characterised in that: a) it is capable of bonding, when applied from the molten state, plastic and/or cellulosic materials, With a 90° peel force not lower than 0.5 N/cm; b) it has a tensile strength retention after 50 cycles of at least 40%; c) it has a viscosity of 120,000 cps or less at 180°C and an applied shear of 80 sec-1.

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