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    • 31. 发明授权
    • Phase change ink compositions
    • 相变油墨组合物
    • US06906118B2
    • 2005-06-14
    • US09948958
    • 2001-09-07
    • H. Bruce GoodbrandThomas W. SmithDaniel A. FoucherKathleen M. McGraneDina Popovic
    • H. Bruce GoodbrandThomas W. SmithDaniel A. FoucherKathleen M. McGraneDina Popovic
    • C09D11/00C09D11/02C09D11/10
    • C09D11/34
    • Disclosed is a phase change ink composition comprising a colorant and an ink vehicle, the ink being a solid at temperatures less than about 50° C. and exhibiting a viscosity of no more than about 20 centipoise at a jetting temperature of no more than about 160° C., wherein at a first temperature hydrogen bonds of sufficient strength exist between the ink vehicle molecules so that the ink vehicle forms hydrogen-bonded dimers, oligomers, or polymers, and wherein at a second temperature which is higher than the first temperature the hydrogen bonds between the ink vehicle molecules are sufficiently broken that fewer hydrogen-bonded dimers, oligomers, or polymers are present in the ink at the second temperature than are present in the ink at the first temperature, so that the viscosity of the ink at the second temperature is lower than the viscosity of the ink at the first temperature.
    • 公开了一种相变油墨组合物,其包含着色剂和油墨载体,所述油墨在低于约50℃的温度下为固体,并且在不超过约160℃的喷射温度下显示不超过约20厘泊的粘度 ℃,其中在第一温度下,在油墨载体分子之间存在足够强度的氢键,使得油墨载体形成氢键二聚体,低聚物或聚合物,并且其中在高于第一温度的第二温度下 油墨载体分子之间的氢键被充分破坏,在第二温度下墨中存在较少的氢键二聚体,低聚物或聚合物比在第一温度下存在于墨中的氢键,使得在 第二温度低于第一温度下墨水的粘度。
    • 33. 发明授权
    • Ink jet inks and printing processes
    • 喷墨油墨和印刷工艺
    • US5709737A
    • 1998-01-20
    • US603516
    • 1996-02-20
    • Shadi L. MalhotraKirit N. NaikDavid N. MacKinnonJames D. MayoYvan GagnonH. Bruce Goodbrand
    • Shadi L. MalhotraKirit N. NaikDavid N. MacKinnonJames D. MayoYvan GagnonH. Bruce Goodbrand
    • C09D11/00C09D11/02
    • C09D11/30
    • Disclosed is an ink composition which comprises an aqueous liquid vehicle, a colorant, and an additive material selected from the group consisting of (a) symmetric acetylenic bisester alcohols, (b) symmetric acetylenic bisalkyl alcohols and acetylenic bisalkoxy alcohols, (c) symmetric acetylenic bisamido alcohols, (d) symmetric bisamido alcohols, (e) mono amido alcohols, (f) trialkylhydroxy compounds, (g) derivatives of 1,2-diols and 1,3-diols, (h) thio diols, (i) aromatic diols, (j) heterocyclic diols, (k) imino alcohols, (l) salts of hydroxyl compounds, (m) saccharides and saccharide derivatives, and (n) mixtures thereof. Also disclosed is an ink jet process which comprises (1) incorporating into a thermal ink jet printing apparatus the aforementioned ink composition; and (2) causing droplets of the ink to be ejected from the printing apparatus in an imagewise pattern onto a substrate, thereby generating images on the substrate. Further disclosed is an ink jet printing process which comprises (1) incorporating into a thermal ink jet printing apparatus the aforementioned ink composition; (2) causing droplets of the ink to be ejected from the printing apparatus in an imagewise pattern onto a substrate, thereby generating images on the substrate; and (3) exposing the substrate to microwave radiation, thereby drying the images on the substrate.
    • 公开了一种油墨组合物,其包含水性液体载体,着色剂和选自(a)对称炔属双酯醇,(b)对称炔属双烷基醇和炔属双烷氧基醇的添加剂材料,(c)对称炔属 (d)对称双酰氨基醇,(e)单酰胺醇,(f)三烷基羟基化合物,(g)1,2-二醇和1,3-二醇的衍生物,(h)硫代二醇,(i)芳族 二醇,(j)杂环二醇,(k)亚氨基醇,(l)羟基化合物的盐,(m)糖和糖衍生物,和(n)它们的混合物。 还公开了一种喷墨方法,其包括(1)将上述油墨组合物结合到热喷墨印刷装置中; 和(2)使墨液滴以成像图案从印刷装置喷射到基板上,从而在基板上产生图像。 进一步公开了一种喷墨印刷方法,其包括(1)将上述油墨组合物结合到热喷墨印刷装置中; (2)使墨水的液滴以成像图案从打印装置喷射到基板上,从而在基板上产生图像; 和(3)将基板暴露于微波辐射,从而干燥基板上的图像。
    • 34. 发明授权
    • Toner aggregation processes using water insoluble transition metal
containing powder
    • 使用水不溶性过渡金属的粉末的调色剂聚集方法
    • US5527658A
    • 1996-06-18
    • US403043
    • 1995-03-13
    • Michael A. HopperRaj D. PatelH. Bruce GoodbrandGrazyna E. Kmiecik-Lawrynowicz
    • Michael A. HopperRaj D. PatelH. Bruce GoodbrandGrazyna E. Kmiecik-Lawrynowicz
    • G03G9/08
    • G03G9/0804G03G9/0815
    • A process for the preparation of toner comprising:(i) preparing a pigment dispersion comprised of pigment, an ionic surfactant, and optionally a charge control agent;(ii) shearing said pigment dispersion with a latex comprised of resin, a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, and a nonionic surfactant;(iii) heating the above sheared blend of (ii) about below the glass transition temperature (Tg) of the resin, to form electrostatically bound toner size aggregates with a volume average diameter of from between about 2 and about 15 microns and with a narrow particle size distribution as reflected in the particle diameter GSD of between about 1.15 and about 1.30, followed by the addition of a water insoluble transition metal containing powder ionic surfactant in an amount of from between about 0.05 and about 5 weight percent based on the weight of the aggregates; and(iv) heating said bound aggregates about above the Tg of the resin to form toner.
    • 一种制备调色剂的方法,包括:(i)制备由颜料,离子表面活性剂和任选的电荷控制剂组成的颜料分散体; (ii)用由树脂,具有与所述离子表面活性剂的电荷极性相反的电荷极性的抗衡离子表面活性剂和非离子表面活性剂的胶乳剪切所述颜料分散体; (iii)将(ii)的上述剪切混合物加热到低于树脂的玻璃化转变温度(Tg),形成体积平均直径为约2至约15微米的静电结合的调色剂尺寸聚集体,并具有狭窄的 粒径分布反映在颗粒直径GSD为约1.15至约1.30之间,随后加入含水粉末离子表面活性剂的量为约0.05至约5重量% 聚集体 和(iv)将所述结合的聚集体加热到高于树脂的Tg以形成调色剂。