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    • 11. 发明授权
    • Agent for improving the printability of paper and board
    • 提高纸张和纸板印刷性的代理
    • US4857110A
    • 1989-08-15
    • US106562
    • 1987-10-06
    • Guido DessauerHelmut Berenbold
    • Guido DessauerHelmut Berenbold
    • D21H19/10B41M5/52D21H19/20D21H19/24D21H19/36D21H19/44D21H19/46
    • D21H19/46B41M5/5245D21H19/36
    • An agent for improving the printability of paper and board, essentially comprising50 to 95% by weight of water, and5 to 50% by weight of a mixture ofI. 1 to 50% by weight of(a) an organic quaternary ammonium salt having at least one C.sub.8 -C.sub.22 -alkyl group,(b) a mixture of 50 to 99.5% by weight of an organic quaternary ammonium salt and 0.5 to 50% by weight of a saturated or unsaturated C.sub.8 -C.sub.22 -fatty acid, an oxidized wax or a polyglycol having a molecular weight of greater than 4,000, or(c) a mixture of 50 to 99.5% by weight of an organic amine which has been partly neutralized using a mineral acid or a lower carboxylic acid, and 0.5 to 50% by weight of a saturated or unsaturated C.sub.8 -C.sub.33 -fatty acid, an oxidized wax or a polyglycol having a molecular weight of greater than 4,000, andII. 50 to 99% by weight of a water-soluble or water-swellable polymer containing anionic groups.In the case of printing papers which are treated with this agent preferably by coating, a reduction in strike-through and show-through of printing ink becomes especially apparent.
    • 一种用于改善纸和纸板的印刷适性的试剂,其基本上包含50至95重量%的水,和5至50重量%的I. 1至50重量%的(a)有机季铵盐 具有至少一个C 8 -C 22烷基,(b)50至99.5重量%的有机季铵盐和0.5至50重量%的饱和或不饱和的C 8 -C 22脂肪酸的混合物,氧化的 蜡或分子量大于4000的聚乙二醇,或(c)使用无机酸或低级羧酸部分中和的有机胺的50〜99.5重量%的混合物,以及0.5〜50重量% 饱和或不饱和的C 8 -C 33脂肪酸,氧化蜡或分子量大于4000的聚乙二醇,II。 50至99重量%的含有阴离子基团的水溶性或水溶胀性聚合物。 在用优选通过涂布用该试剂处理的印刷纸的情况下,印刷油墨的贯通和显示的减少尤其明显。
    • 16. 发明授权
    • Method and device for improving the coating surface of strips of paper
    • 改善纸条涂层表面的方法和装置
    • US06521299B1
    • 2003-02-18
    • US09743006
    • 2000-12-29
    • Guido Dessauer
    • Guido Dessauer
    • B05D104
    • D21H23/30
    • The invention relates to a method and device for improving the coating surface of a coating mass deposited on or applied to a paper web (8, 23) by a film press. An anionic aqueous coating mass or an anionic paper web are provided with an opposite electric charge by an electric charger, whereby the applied coating is attracted to the oppositely charged paper (8, 23) in a nip exit area of the film press. The electric charger is, for example, a corona generator (13, 17) or a direct current voltage source (9) that is connected to the paper (8, 23) and coating slip by electrodes (5, 5a, 7, 7a).
    • 本发明涉及一种用于通过薄膜压机改进沉积在纸幅(8,23)上或涂布在纸幅(8,23)上的涂料质量的涂层表面的方法和装置。 通过电动充电器将阴离子水性涂料质量或阴离子纸幅带有相反的电荷,由此涂布的涂层被吸引到胶片印刷机的辊隙出口区域中的带相反电荷的纸(8,23)。 该充电器例如是连接到纸张(8,23)的电晕发生器(13,17)或直流电压源(9),并且由电极(5,5a,7,7a)进行涂层滑动, 。