| 摘要 |
<p>This invention relates to a pressure sensitive adhesive composition which includes a metal neutralized sulfonated copolymer of a conjugated diene/sodium styrene sulfonate, wherein the neutralized sulfonated copolymer has 5 to 50 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated copolymer, and less than 50 parts by weight of a preferential polar plasticizer, and less than 300 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, having 4 to 12 carbon atoms, the hydrocarbon resin being composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated copolymer.</p> |
