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    • 60. 发明公开
    • Laminating method and products made thereby
    • Laminierverfahren und damit hergestellte Produkte。
    • EP0604738A1
    • 1994-07-06
    • EP93118006.1
    • 1993-11-05
    • KIMBERLY-CLARK CORPORATION
    • Nohr, Ronald SinclairMacDonald, John Gavin
    • B32B31/00B29C35/10C09J163/00B29D9/00
    • B32B37/12B29K2201/00B29K2223/00B32B37/1284B32B2305/20B32B2310/0831B32B2310/0843B32B2327/06B32B2329/00B32B2363/00Y10S428/934Y10T428/19Y10T428/192Y10T428/24041Y10T428/31504Y10T428/31573Y10T442/66Y10T442/668
    • A method of preparing a laminate having increased peel strength and solvent resistance which involves (A) applying an adhesive composition to a surface of a first sheet; (B) exposing the adhesive composition on the surface of the first sheet to incoherent, pulsed ultraviolet radiation from a dielectric barrier discharge excimer lamp; (C) bringing a surface of a second sheet in contact with the adhesive composition-bearing surface of the first article; and (D) allowing the adhesive composition to cure. The incoherent, pulsed ultraviolet radiation has a single narrow wavelength band within the range of from about 260 to about 360 nanometers. The adhesive composition includes from about 94 to about 60 percent by weight of a cycloaliphatic diepoxide, from about 1 to about 10 percent by weight of a cationic photoinitiator, and from about 5 to about 30 percent by weight of a vinyl chloride-vinyl acetate-vinyl alcohol terpolymer, all based on the weight of adhesive composition. The sheets desirably are films and nonwoven webs composed of cellulosic fibers, polyolefin fibers, or a mixture of cellulosic fibers and polyolefin fibers. The method is particularly well suited for the preparation of such laminates as industrial wipers, workwear, medical fabrics, and the like.
    • 一种制备具有增加的剥离强度和耐溶剂性的层压体的方法,其包括(A)将粘合剂组合物施加到第一片材的表面; (B)将第一片表面上的粘合剂组合物暴露于来自介电阻挡放电准分子灯的非相干脉冲紫外线辐射; (C)使第二片材的表面与第一制品的粘合剂组合物承载表面接触; 和(D)使粘合剂组合物固化。 非相干脉冲紫外线辐射具有在约260至约360纳米范围内的单个窄波长带。 粘合剂组合物包含约94至约60重量%的脂环族二环氧化物,约1至约10重量%的阳离子光引发剂和约5至约30重量%的氯乙烯 - 乙酸乙烯酯 - 乙烯醇三元共聚物,均基于粘合剂组成的重量。 片材期望地是由纤维素纤维,聚烯烃纤维或纤维素纤维和聚烯烃纤维的混合物组成的膜和非织造纤维网。 该方法特别适用于制备诸如工业擦拭器,工作服,医用织物等的层压材料。