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    • 3. 发明授权
    • Recording sheets for ink jet printing
    • 用于喷墨打印的记录纸
    • US06589637B2
    • 2003-07-08
    • US09974642
    • 2001-10-10
    • Kurt BaettigRolf SteigerKarl Peternell
    • Kurt BaettigRolf SteigerKarl Peternell
    • B32B2714
    • B41M5/52B41M5/508B41M5/5218B41M5/5227B41M5/5236B41M5/5254Y10T428/24802Y10T428/256Y10T428/259Y10T428/31786Y10T428/31855Y10T428/31942Y10T428/31993
    • A recording sheet for ink jet printing is described, which consists of a support having coated thereon at least one ink-receiving layer consisting of binders and a porous inorganic oxide, wherein the recording sheet contains tautomeric compounds of formulas Ia (diketo form) and Ib (enol form) wherein in formula Ib (enol form) M represents a hydrogen cation, a metal cation, a triethanolamine cation or an ammonium cation optionally substituted by one or more alkyl or substituted alkyl groups each having from 1 to 18 C atoms; R1 represents hydrogen, alkyl with 1 to 12 C atoms or substituted alkyl with 2 to 6 C atoms, wherein the substituents are selected from the group consisting of CN, COOH, OH and COOR4, where R4 represents alkyl with 1 to 12 C atoms; and R2, R3 independently represent hydrogen, alkyl with 1 to 6 C atoms or substituted alkyl with 2 to 6 C atoms, wherein the substituents are selected from the group consisting of CN, COOH, OH and COOR5, where R5 represents alkyl with 1 to 12 C atoms.
    • 描述了用于喷墨印刷的记录片材,其由在其上涂覆有至少一个由粘合剂和多孔无机氧化物组成的油墨接收层的载体组成,其中记录片材包含式Ia(二酮型)和Ib的互变异构化合物 (烯醇形式)其中在式Ib(烯醇形式)中M表示氢阳离子,金属阳离子,三乙醇胺阳离子或任选被一个或多个具有1至18个C原子的烷基或取代烷基取代的铵阳离子; R1 表示氢,具有1至12个碳原子的烷基或具有2至6个C原子的取代的烷基,其中取代基选自CN,COOH,OH和COOR 4,其中R 4表示具有1至12个C原子的烷基; 并且R 2,R 3独立地表示氢,具有1至6个C原子的烷基或具有2至6个C原子的取代的烷基,其中所述取代基选自CN,COOH,OH和COOR 5,其中R 5表示具有1至12个 C原子。