Elastomeric pressure-sensitive adhesive compositions exhibiting good cutting performance

A pressure-sensitive adhesive exhibiting improved cuttability as an element of a pressure-sensitive label construction which pressure-sensitive adhesive comprises an elastomeric hot melt pressure-sensitive adhesive formed of a first elastomer providing a first polymerized diene component which is a polybutadiene, said first elastomer exhibiting a first glass transition temperature and a second elastomer providing a second polymerized diene which is a polyisoprene, said second elastomer component exhibiting a second glass transition temperature greater than the first glass transition temperature, and a tackifying additive comprising at least one tackifier which is preferentially soluble in the second elastomer and present in an amount sufficient to cause the dynamic mechanical spectrum of the mixture of immiscible elastomers to exhibit an increase in the second glass transition temperature and an increase in the difference between the first and second glass transition temperatures and an increase in the value of tangent delta determined at the second glass transition temperature, and in which the elastomers are present in an amount of from about 20 to 50% by weight of elastomers and tackifying additive, said pressure sensitive adhesive containing a surfactant having an HLB value greater than 7 and comprised of at least one hydrophilic polyethylene oxide block and at least one hydrophobic propropylene oxide block and from 0 to about 15% by weight of the composition of a compatible wax.