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    • 1. 发明授权
    • Method of reusing a coated substrate having a surface coating fixed to the substrate from which deposits are readily removed
    • 重复使用具有固定到基底上的表面涂层的涂覆的基底的方法,沉积物易于从基底移除
    • US06261380B1
    • 2001-07-17
    • US09182639
    • 1998-10-30
    • Kenji KohnoHiroyuki MitsuhashiShoji SaibaraKazushi Miyata
    • Kenji KohnoHiroyuki MitsuhashiShoji SaibaraKazushi Miyata
    • B08B314
    • C09D5/00C09D201/02Y10T428/24347Y10T428/265Y10T428/2916Y10T428/31511Y10T428/31551Y10T428/31565Y10T428/31786Y10T428/31935
    • A method of reusing a coated substrate having a surface coating fixed to the material substrate surface, comprising the steps: (a) allowing the coated substrate, which carries deposits on its surface, to swell as a coated composition to which said deposits adhere, and (b) drying said coated substrate to reuse said coated substrate wherein the coated substrate comprises a material substrate and a coating composition fixed to the surface of said material substrate, said coating composition comprising a crosslinked water swellable hydrophilic resin which is solid in air at ambient temperature and from which surface deposits are readily removable, such that said coated material substrate is reusable, and wherein the condition of said swellable hydrophilic resin is such that while said hydrophilic resin swells in the presence of water it is not washed away from said surface of said material substrate by water when the deposits are readily removed with water. The method includes the features that (i) said water swellable hydrophilic resin is capable of swelling to a volume at least 1.5 times its initial volume (ii) and said deposits include toner ink.
    • 一种重复使用具有固定在所述材料基板表面上的表面涂层的涂覆基板的方法,包括以下步骤:(a)使所述表面上沉积物的载体涂覆溶胀作为所述沉积物附着的涂覆组合物,以及 (b)干燥所述涂覆的基底以重新使用所述涂覆的基底,其中所述涂覆的基底包括材料基底和固定到所述材料基底的表面的涂层组合物,所述涂层组合物包含交联的水溶胀性亲水性树脂,其在环境中在空气中是固体的 温度和表面沉积物易于去除,使得所述涂覆的材料基底是可重复使用的,并且其中所述可溶胀亲水性树脂的状态使得当所述亲水性树脂在水存在下溶胀时,其不会从 当沉积物容易地用水除去时,用水表示材料基底。 该方法包括(i)所述水可溶胀亲水性树脂能够膨胀至其初始体积(ii)的至少1.5倍的体积并且所述沉积物包括调色剂墨水的特征。
    • 7. 发明授权
    • Magnetic recording medium having a magnetic layer formed from an
aromatic polycarbonate polyurethane resin
    • 具有由芳族聚碳酸酯聚氨酯树脂形成的磁性层的磁记录介质
    • US5219663A
    • 1993-06-15
    • US710397
    • 1991-06-05
    • Kenji KohnoYoshiyuki NagatakiKazushi MiyataHiroshi Higashi
    • Kenji KohnoYoshiyuki NagatakiKazushi MiyataHiroshi Higashi
    • C08G18/44C08G18/66G11B5/702
    • C08G18/6633C08G18/44G11B5/7021Y10S428/90Y10T428/31609
    • A polycarbonate polyol having a main chain of the formula: ##STR1## wherein R is an aliphatic or alicyclic hydrocarbon group having 4 to 10 carbon atoms, and n is a number of 2.00 to 20.00, and having an aliphatic OH group at the terminal; an aromatic polycarbonate polyurethane resin prepared from the polycarbonate polyol as set forth above and a polyisocyanate compound having two or more isocyanate groups in the molecule and optionally other components, particularly a chain extender having a polar group; a coating agent comprising the polycarbonate polyol and/or aromatic polycarbonate polyurethane resin as set forth above and optionally a polyisocyanate compound as set forth above and a solvent; a cast film comprising a coating film formed from the polycarbonate polyol and/or aromatic polycarbonate polyurethane resin as set forth above and a base film; and a magnetic recording medium comprising a magnetic layer formed from the aromatic polycarbonate polyurethane resin as set forth above and optionally the polyisocyanate compound as set forth above, and a base film.
    • 具有下式主链的聚碳酸酯多元醇:其中R是碳原子数为4〜10的脂肪族或脂环族烃基,n为2.00〜20.00,末端具有脂肪族OH基; 由上述聚碳酸酯多元醇制备的芳族聚碳酸酯聚氨酯树脂和分子中具有两个或多个异氰酸酯基团的任选的其它组分的多异氰酸酯化合物,特别是具有极性基团的扩链剂; 包含如上所述的聚碳酸酯多元醇和/或芳族聚碳酸酯聚氨酯树脂和任选的上述多异氰酸酯化合物和溶剂的涂层剂; 包括由上述聚碳酸酯多元醇和/或芳族聚碳酸酯聚氨酯树脂形成的涂膜和基膜的流延膜; 以及包含由上述芳族聚碳酸酯聚氨酯树脂形成的磁性层和任选的如上所述的多异氰酸酯化合物和基膜的磁记录介质。