Conductive single component electrophotographic magnetic toner
    31.
    发明授权
    Conductive single component electrophotographic magnetic toner 失效
    导电单组份电子照相磁性调色剂

    公开(公告)号:US4487825A

    公开(公告)日:1984-12-11

    申请号:US227003

    申请日:1981-01-22

    CPC classification number: G03G9/08708 G03G9/08722 Y10S430/104

    Abstract: This invention relates to a conductive single component magnetic dry toner comprised of resins selected from polystyrene allyl alcohol copolymers, and epoxy resins, a magnetic material such as magnetite, and a conductive carbon black which is adhered and/or embedded on the surface of the copolymer or epoxy resin-magnetic material mixture. Such toner compositions, which have excellent conductivity, superior flow properties and low melt fusing temperatures, 95.degree. C.-130.degree. C., are useful for causing the development of images in commercial printers and recorders such as the Versatec printers.

    Abstract translation: 本发明涉及由选自聚苯乙烯烯丙基醇共聚物和环氧树脂的树脂,磁铁矿等磁性材料和导电性炭黑组成的导电性单组分磁性干燥调色剂,该导电性炭黑被粘合和/或嵌入在共聚物的表面上 或环氧树脂 - 磁性材料混合物。 具有优异的导电性,优异的流动性能和低熔点熔融温度(95℃-130℃)的这种调色剂组合物可用于在诸如Versatec打印机的商业打印机和记录仪中形成图像。

    Method of fusing toner compositions containing pyridinium
tetrafluoroborates
    32.
    发明授权
    Method of fusing toner compositions containing pyridinium tetrafluoroborates 失效
    定影含有四氟硼酸吡啶鎓的调色剂组合物的方法

    公开(公告)号:US4482620A

    公开(公告)日:1984-11-13

    申请号:US588605

    申请日:1984-03-12

    CPC classification number: G03G9/08

    Abstract: This invention relates to improved positively charged toner compositions for use in developing electrostatic images contained in electrostatographic imaging devices wherein fusing is accomplished with a fuser roll fabricated from lead oxide and a vinylidene fluoride hexafluoropropylene copolymer, which composition is comprised of resin particles, pigment particles, and as the charge enhancing additive present in an amount of from about 0.1 percent by weight to about 10 percent by weight, a pyridinium tetrafluoroborate of the following formula: ##STR1## wherein R.sub.1 is an alkyl group containing from about 1 carbon atom to about 22 carbon atoms, and R.sub.2 is an alkyl group containing from about 1 carbon atom to about 8 carbon atoms, or a halogen, and n is zero or 1.

    Abstract translation: 本发明涉及改进的带正电荷的调色剂组合物,用于显影静电图像成像装置中的静电图像,其中使用由氧化铅和偏氟乙烯六氟丙烯共聚物制成的定影辊来实现熔合,该组合物由树脂颗粒,颜料颗粒, 并且作为电荷增强添加剂以约0.1重量%至约10重量%的量存在,下式的四氟硼酸吡啶鎓:其中R 1是含有约1个碳原子至约22个的烷基 碳原子,R 2为含有约1个碳原子至约8个碳原子的烷基或卤素,n为0或1。

    Positively charged electrostatic toner contains low molecular weight
waxy material and pyridinium halide or organic sulfonate
    33.
    发明授权
    Positively charged electrostatic toner contains low molecular weight waxy material and pyridinium halide or organic sulfonate 失效
    带正电荷的静电调色剂含有低分子量蜡质材料和卤化吡啶鎓或有机磺酸盐

    公开(公告)号:US4460672A

    公开(公告)日:1984-07-17

    申请号:US434198

    申请日:1982-10-14

    CPC classification number: G03G9/09758 G03G9/09741 G03G9/0975

    Abstract: This invention is generally directed to an improved positively charged dry electrostatic toner composition comprised of resin particles, pigment particles, a low molecular weight waxy material having a molecular weight of from 500 to about 20,000, and from about 0.5 percent to about 10 percent by weight of a charge enhancing additive selected from the group consisting of alkyl pyridinium halides, organic sulfonate compositions and organic sulfate compositions, of the following formulas: ##STR1## wherein R is a hydrocarbon group containing about 8 to about 22 carbon atoms, and A is an anion, and ##STR2## wherein R.sub.1 is an alkyl group containing from about 12 carbon atoms to about 22 carbon atoms, R.sub.2 and R.sub.3 are independently selected from alkyl groups containing from about 1 carbon atom to about 5 carbon atoms, R.sub.4 is an alkylene group containing from about 1 carbon atom to about 5 carbon atoms, R.sub.5 is a tolyl group or an alkyl group containing from about 1 carbon atom to about 3 carbon atoms, and n is the number 3 or 4.

    Abstract translation: 本发明一般涉及由树脂颗粒,颜料颗粒,分子量为约500至约20,000和约0.5重量%至约10重量%的低分子量蜡状材料组成的带正电荷的干电荷调色剂组合物 的选自下列式的烷基吡啶鎓卤化物,有机磺酸盐组合物和有机硫酸盐组合物的电荷增强添加剂:其中R是含约8至约22个碳原子的烃基 原子,A是阴离子,而图像II。 其中R 1是含有约12个碳原子至约22个碳原子的烷基,R 2和R 3独立地选自含有约1个碳原子至约5个碳原子的烷基,R4是含约1个碳原子的亚烷基 至约5个碳原子,R 5为甲苯基或含有约1个碳原子至约3个碳原子的烷基,n为3或4。

    Conductive single component magnetic toner for use in electronic
printing devices
    34.
    发明授权
    Conductive single component magnetic toner for use in electronic printing devices 失效
    用于电子印刷装置的导电单组分磁性调色剂

    公开(公告)号:US4451837A

    公开(公告)日:1984-05-29

    申请号:US383662

    申请日:1982-06-01

    CPC classification number: G03G9/08755 G03G9/0825

    Abstract: An improved conductive single component magnetic dry toner composition for use in developing images in electronic printing systems of a conductivity of from 10.sup.-6 to 10.sup.-8 (ohms/cm).sup.-1, and a fusing temperature of from about 95 degrees Centigrade to about 130 degrees Centigrade, and comprised of a magnetic material present in an amount of from about 40 percent by weight to about 80 percent by weight, and from about 20 percent by weight to about 60 percent by weight of a polyester resin, comprised of the polymeric esterification product of a dicarboxylic acid and a diol comprising a diphenol of the formula: ##STR1## wherein R is selected from substituted and unsubstituted alkylene radicals containing from about 2 to about 12 carbon atoms, alkylidene radicals containing from 1 to about 12 carbon atoms, and cycloclkylidene radicals containing from about 3 to about 12 carbon atoms; R' and R" are selected from substituted and unsubstituted alkylene radicals containing from about 2 to about 12 carbon atoms, alkylene arylene radicals containing from about 8 to about 12 carbon atoms and arylene radicals; X and X' are selected from hydrogen or alkyl radicals containing from 1 to about 4 carbon atoms; and each n is a number of from 0 (zero) to 4, a conductive carbon black present in an amount of from about 0.5 percent to about 4 percent, which carbon black is adhered to or embedded in the surface of the polyester magnetic mixture.

    Abstract translation: 一种改进的导电单组分磁性干粉调色剂组合物,用于在电子印刷系统中显影,电导率为10-6至10-8(欧姆/厘米)-1,熔点温度为约95摄氏度至约 130摄氏度,由含有约40重量%至约80重量%,约20重量%至约60重量%的聚酯树脂的量的磁性材料组成,该聚酯树脂由聚合物 二羧酸和二醇的酯化产物,其包含下式的二酚:其中R选自含有约2至约12个碳原子的取代和未取代的亚烷基,含有1至约12个碳原子的亚烷基, 和含有约3至约12个碳原子的亚环烷基; R'和R“选自含有约2至约12个碳原子的取代和未取代的亚烷基,含有约8至约12个碳原子的亚烷基亚芳基和亚芳基; X和X'选自氢或含有1至约4个碳原子的烷基; 并且每个n为0(零)至4的数量,以约0.5%至约4%的量存在的导电炭黑,该炭黑粘附或嵌入聚酯磁性混合物的表面。

    Process for positive charge sharing toner compositions
    35.
    发明授权
    Process for positive charge sharing toner compositions 失效
    正电荷共享调色剂组合物的方法

    公开(公告)号:US4426436A

    公开(公告)日:1984-01-17

    申请号:US296609

    申请日:1981-08-26

    CPC classification number: G03G13/08

    Abstract: This invention relates to a process for rapidly charging uncharged toner particles to a positive polarity, which comprises adding uncharged toner particles to a positively charged developer composition comprising carrier particles and toner particles, the charged and uncharged toner particles containing conductive particles or conductive patches on their surface, which conductive patches are of a higher positive triboelectric charge than the toner polymer, contacting the charged toner particles with the uncharged toner particles causing positive charges to be transferred from the conductive particles on the charged toner particles, to conductive particles on the uncharged toner particles, within a period of from about 5 seconds to about 2 minutes, thereby resulting in substantially the same level of positive charge intensity for both the original charged toner particles and the added toner particles, such charge intensity ranging from about 5 microcoulombs per gram to about 50 microcoulombs per gram.

    Abstract translation: 本发明涉及将不带电荷的调色剂颗粒快速地充电到正极性的方法,该方法包括将不带电荷的调色剂颗粒添加到包含载体颗粒和调色剂颗粒的带正电荷的显影剂组合物中,所述带电和不带电荷的调色剂颗粒在其上包含导电颗粒或导电贴片 表面,哪些导电贴片具有比调色剂聚合物更高的正摩擦电荷,使带电的调色剂颗粒与不带电的调色剂颗粒接触,导致正电荷从带电的调色剂颗粒上的导电颗粒转移到未充电的调色剂上的导电颗粒 颗粒,在约5秒至约2分钟的时间内,从而导致原始带电的调色剂颗粒和所添加的调色剂颗粒的正电荷强度基本相同的水平,这种电荷强度范围为约5微克/克至 约50 microcou 克/克。

    Processes for the preparation of encapsulated toner compositions
    39.
    发明授权
    Processes for the preparation of encapsulated toner compositions 失效
    用于制备包封的调色剂组合物的方法

    公开(公告)号:US5108863A

    公开(公告)日:1992-04-28

    申请号:US363577

    申请日:1989-06-08

    CPC classification number: G03G9/09328 G03G9/09364 G03G9/09392

    Abstract: A process for the preparation of encapsulated toner compositions which comprises a core dispersion obtained by adding pigment to a monomer, and wherein the pigment is sterically stabilized with a block copolymer; dispersing the resulting core dispersion into an aqueous solution containing an emulsifier; adding thereto an aqueous solution containing a shell monomer; encapsulating the core dispersion by interfacial polymerization of said shell monomer; and heating to initiate a free radical polymerization of the core monomer.

    Abstract translation: 一种制备包封的调色剂组合物的方法,其包括通过向单体中添加颜料而获得的芯分散体,并且其中所述颜料用嵌段共聚物空间稳定; 将得到的核心分散体分散到含有乳化剂的水溶液中; 向其中加入含有壳单体的水溶液; 通过所述壳单体的界面聚合包封核分散体; 并加热以引发核心单体的自由基聚合。

    Toner compositions with negative charge enhancing additives
    40.
    发明授权
    Toner compositions with negative charge enhancing additives 失效
    具有负电荷增强添加剂的调色剂组合物

    公开(公告)号:US4939061A

    公开(公告)日:1990-07-03

    申请号:US356481

    申请日:1989-05-25

    CPC classification number: G03G9/09783

    Abstract: A negative charged toner composition comprised of resin particles, pigment particles, and as a charge enhancing additive dithiolene complexes of the formulas of FIGS. 1,2,3 or 4, wherein X is selenium or sulfur, M is a metal, R is alkyl, Y is a cation, Z represents zinc, and n represents the valence of the cation and anion components.

    Abstract translation: 由树脂颗粒,颜料颗粒和作为电荷增强添加剂的硫醇配合物组成的负电荷调色剂组合物, 1,2,3或4,其中X是硒或硫,M是金属,R是烷基,Y是阳离子,Z代表锌,n代表阳离子和阴离子组分的化合价。

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