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    • 61. 发明授权
    • Cool-applied hot melt adhesive composition
    • 冷敷热熔胶组合物
    • US5670566A
    • 1997-09-23
    • US369244
    • 1995-01-06
    • Ingrid LiedermooyDaniel C. StaufferPaul P. Puletti
    • Ingrid LiedermooyDaniel C. StaufferPaul P. Puletti
    • B65D5/00C09J123/02C09J123/08C09J191/06C09J193/00C09J193/04C08L91/06
    • C09J193/04C09J123/08
    • A carton, case or tray formed utilizing a hot melt adhesive composition said adhesive consisting essentially of a) 10 to 60% by weight of at least one ethylene n-butyl acrylate copolymer containing 25 to 45% by weight n-butyl acrylate and having a melt index of at least about 850; b) 20 to 60% of a rosin ester tackifying resin; c) 10 to 50% by weight of a microcrystalline or paraffin wax having a melting point of 150.degree. to 200.degree. F.; d) 1 to 20% by weight of a polymeric additive selected from the group consisting of ethylene vinyl acetate containing 10 to 40% by weight vinyl acetate, ethylene methyl acrylate polymers containing 10 to 28% methyl acrylate, ethylene acrylic acid copolymers having an acid number of 25 to 150, polyethylene, polypropylene, poly-(butene-1-co-ethylene), and lower melt index ethylene n-butyl acrylate copolymers; and e) 0 to 1.5% stabilizer, said adhesive characterized by a viscosity of less than 3000 cps at 135.degree. C., fiber tearing bonds from within the range of -35.degree. to 40.degree. C.
    • 使用热熔粘合剂组合物形成的纸箱,壳体或托盘,所述粘合剂基本上由以下组成:a)10至60重量%的至少一种乙烯丙烯酸正丁酯共聚物,其含有25至45重量%的丙烯酸正丁酯, 熔体指数至少约为850; b)20〜60%的松香酯增粘树脂; c)10至50重量%的熔点为150至200°F的微晶或石蜡。 d)1至20重量%的聚合物添加剂,其选自含有10至40重量%乙酸乙烯酯的乙烯乙酸乙烯酯,含10至28%丙烯酸甲酯的乙烯丙烯酸甲酯聚合物,具有酸的乙烯丙烯酸共聚物 25至150的聚乙烯,聚丙烯,聚(丁烯-1-共 - 乙烯)和较低熔体指数的乙烯丙烯酸正丁酯共聚物; 和e)0至1.5%稳定剂,所述粘合剂的特征在于在135℃下粘度小于3000cps,在-35至-40℃的范围内的纤维撕裂粘合剂。