Hot melt adhesive compositions.

摘要

A hot melt adhesive composition which comprises: (a) 20 to 70% by weight of a copolymer of a vinyl aromatic compound and a conjugated dienic compound, or a hydrogenated derivative thereof; (b) 30 to 80% by weight of an alicyclic hydrocarbon polymer tackifier; and (c) 0.3 to 20% by weight of a 40-methylpent-1-ene polymer. the above percentages by weight being based on the total weight of the composition.