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    • 8. 发明授权
    • Surface modified nozzle plate
    • 表面改性喷嘴板
    • US06341842B1
    • 2002-01-29
    • US09564148
    • 2000-05-03
    • Bradley Leonard BeachSean David SmithJing X. Sun
    • Bradley Leonard BeachSean David SmithJing X. Sun
    • B41J2135
    • B41J2/1606B41J2/1433B41J2002/14491B41J2202/03
    • The invention relates to an ink jet printer nozzle plate containing nozzle holes and having a durable non-wettable layer on at least one surface thereof. The nozzle plate includes a polyimide material and the non-wettable layer contains a derivative of an amine-terminated silane compound, the amine-terminated silane compound derivative being covalently bound to the polyimide material of the nozzle plate. The layer also contains a derivative of a polydialkylsiloxane compound having a number average molecular weight ranging from about 400 to about 150,000 and an end group reactive with the amine-terminated silane compound derivative. The polydialkylsiloxane compound derivative is bound to the amine-terminated silane compound derivative by a condensation reaction to provide the durable non-wettable layer on the surface of the nozzle plate. Because of covalently bonding the silane and polydialkylsiloxane materials to the polyimide, the non-wettable layer remains substantially durable throughout the life of a printhead containing the nozzle plate.
    • 本发明涉及一种喷墨打印机喷嘴板,其包含喷嘴孔,并在其至少一个表面上具有耐用的不可润湿层。 喷嘴板包括聚酰亚胺材料,不可润湿层含有胺封端的硅烷化合物的衍生物,胺封端的硅烷化合物衍生物与喷嘴板的聚酰亚胺材料共价结合。 该层还含有数均分子量为约400至约150,000的聚二烷基硅氧烷化合物的衍生物和与胺封端的硅烷化合物衍生物反应的端基。 聚二烷基硅氧烷化合物衍生物通过缩合反应与胺封端的硅烷化合物衍生物结合,以在喷嘴板的表面上提供耐用的不可润湿层。 由于将硅烷和聚二烷基硅氧烷材料共价键合到聚酰亚胺,所以在包含喷嘴板的打印头的整个使用寿命期间,不可润湿层保持基本上耐用。
    • 10. 发明授权
    • Intermediate transfer medium coating solution and method of ink jet printing using coating solution
    • 中间转印介质涂料溶液和使用涂料溶液的喷墨印刷方法
    • US06357870B1
    • 2002-03-19
    • US09686130
    • 2000-10-10
    • Bradley Leonard BeachDavid Starling MacMillanJean Marie MassieRonald Lloyd Roe
    • Bradley Leonard BeachDavid Starling MacMillanJean Marie MassieRonald Lloyd Roe
    • B41J201
    • B41J2/0057B41J2/01
    • A method of printing uses a liquid applicator to apply a coating solution ontaining polyvinyl pyrrolidone or a polyvinyl pyrrolidone copolymer to an intermediate transfer medium. An image is printed onto the intermediate transfer medium using an ink jet printing device. The coating solution contains an organic solvent, which is preferably a glycol solvent or a diol solvent. Suitable solvents include trimethylene glycol, diethylene glycol, propylene glycol, di propylene glycol, tri propylene glycol, 1,2 butane diol, 2 pyrrolidone, gamma butyrolactone and glycerol. The coating solution is applied in an amount of 0.01 to 10 mg/cm2. The coating solution may contain 0.01 to 20 wt. % of polyvinyl pyrrolidone or a polyvinyl pyrrolidone copolymer, 5-95 wt. % of an organic solvent and 5-95 wt. % water. More preferably, the coating solution contains 0.01 to 15 wt. % of polyvinyl pyrrolidone or a polyvinyl pyrrolidone copolymer, 5-95 wt. % of an organic solvent and 5-95 wt. % water. Most preferably, the coating solution contains 2 to 8 wt. % of polyvinyl pyrrolidone or a polyvinyl pyrrolidone copolymer, 5-95 wt. % of an organic solvent and 5-95 wt. % water. The PVP should have a molecular weight greater than 400,000, more preferably greater than 750,000 and most preferably within the range of from 850,000 to 1,500,000.
    • 印刷方法使用液体涂布器将包含聚乙烯吡咯烷酮或聚乙烯吡咯烷酮共聚物的涂布溶液施加到中间转印介质上。 使用喷墨打印装置将图像印刷到中间转印介质上。 涂布溶液含有有机溶剂,其优选为二醇溶剂或二醇溶剂。 合适的溶剂包括三甘醇,二甘醇,丙二醇,二丙二醇,三丙二醇,1,2-丁二醇,2-吡咯烷酮,γ-丁内酯和甘油。 涂布溶液的用量为0.01〜10mg / cm2。 涂布溶液可以含有0.01至20wt。 %的聚乙烯吡咯烷酮或聚乙烯吡咯烷酮共聚物,5-95wt。 %的有机溶剂和5-95wt。 % 水。 更优选地,涂布溶液含有0.01〜15重量% %的聚乙烯吡咯烷酮或聚乙烯吡咯烷酮共聚物,5-95wt。 %的有机溶剂和5-95wt。 % 水。 最优选地,涂布溶液含有2-8wt。 %的聚乙烯吡咯烷酮或聚乙烯吡咯烷酮共聚物,5-95wt。 %的有机溶剂和5-95wt。 % 水。 PVP应当具有大于40万的分子量,更优选地大于750000,最优选在850000至1500000的范围内。