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    • 4. 发明申请
    • ARTIFICIAL LEATHER WITH IMPROVED FLEXING ENDURANCE PROPERTIES
    • 具有改进的弯曲性能的人造革
    • WO2013040765A1
    • 2013-03-28
    • PCT/CN2011/079951
    • 2011-09-21
    • BASF SEEMGE, AndreasFENG, YuexiaLENG, WeiREESE, OliverREDL, Franz Xaver
    • EMGE, AndreasFENG, YuexiaLENG, WeiREESE, OliverREDL, Franz Xaver
    • B32B27/40C08G18/10D06N3/14C14C11/00
    • B29C39/146A43B23/0235B32B37/24B32B37/26B32B2037/243B32B2037/268D06N3/0097D06N3/14D06N3/145D06N3/183D06N2211/106D06N2211/28Y10T428/24967
    • The present invention relates to a process for production of artificial leather comprising top coat, polyurethane layer and optional substrate layer, said process comprising i) providing a release layer, ii) applying one or more than one layer of a top coat to the release layer to an overall top coat layer thickness in the range from 1 to 500 µm, iii) applying first polyurethane system components comprising an isocyanate component (A) and a polyol component (B) to the top coat to form a first polyurethane layer, wherein the isocyanate index of the first polyurethane system components is in the range from 101 to 140, iv) optionally applying further polyurethane system components to the first polyurethane layer to form further polyurethane layers, v) optionally applying a substrate layer to the polyurethane system components, vi) curing the polyurethane system components to form a polyurethane layer, and vii) separating the release layer from the top coat, wherein the overall thickness of the first and optionally further polyurethane layers is in the range from 0.01 to 20 mm and the polyurethane system components are solvent-free. The present invention further relates to an artificial leather obtainable by such a process and to the use of the artificial leather as upper materials for footwear.
    • 本发明涉及一种生产人造革的方法,其包括面漆,聚氨酯层和任选的基底层,所述方法包括i)提供剥离层,ii)将一层或多层顶涂层施加到剥离层 至1至500μm范围内的整体顶涂层厚度,iii)将包含异氰酸酯组分(A)和多元醇组分(B)的第一聚氨酯体系组分施加到顶涂层以形成第一聚氨酯层,其中 第一聚氨酯体系组分的异氰酸酯指数在101至140的范围内,iv)任选地将另外的聚氨酯体系组分施加到第一聚氨酯层以形成其它聚氨酯层,v)任选地将基材层施加到聚氨酯体系组分,vi )固化聚氨酯体系组分以形成聚氨酯层,和vii)将脱模层与顶涂层分离,其中总厚度 的第一和任选的其它聚氨酯层的范围为0.01至20mm,并且聚氨酯体系组分是无溶剂的。 本发明还涉及通过这种方法获得的人造革,以及人造革作为鞋类的上部材料的用途。