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    • 68. 发明授权
    • Method using positively charged electrophotographic toner containing
amido dialkyl hydroxy ammonium compound
    • 使用含有酰胺基二烷基羟基铵化合物的带正电荷的电子照相调色剂的方法
    • US4256824A
    • 1981-03-17
    • US80606
    • 1979-10-01
    • Chin H. Lu
    • Chin H. Lu
    • G03G9/097G03G13/09
    • G03G9/09741G03G13/09Y10S260/16
    • Disclosed are positively charged toner compositions comprised of a thermoplastic resin, a pigment or colorant, and a charge inducing additive containing an amido dialkyl hydroxy ammonium compound of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently selected from hydrocarbon radicals containing up to 22 carbon atoms; and more specifically R.sub.1 and R.sub.2 are hydrocarbon radicals containing from 1 carbon atom to about 8 carbon atoms, R.sub.3 is a hydrocarbon radical containing from about 8 carbon atoms to about 22 carbon atoms; R.sub.4 and R.sub.5 are independently selected from alkylene radicals having up to 8 carbon atoms, and preferably from 1 carbon atom to about 5 carbon atoms; and A is an anion such as nitrate, dihydrogen phosphate, methyl hydrogen phosphate, and dimethyl phosphate. Developers containing these positively charged toner materials are prepared by adding carrier materials thereto. These developers can then be employed in an electrophotographic imaging system particularly those systems using organic photoreceptors such as polyvinylcarbazole which are charged negatively.
    • 公开了由热塑性树脂,颜料或着色剂组成的带正电荷的调色剂组合物和含有下式的酰氨基二烷基羟基铵化合物的电荷诱导添加剂:其中R1,R2和R3独立地选自含有 至22个碳原子; 更具体地,R 1和R 2是含有1个碳原子至约8个碳原子的烃基,R 3是含有约8个碳原子至约22个碳原子的烃基; R 4和R 5独立地选自具有至多8个碳原子,优选1个碳原子至约5个碳原子的亚烷基; A为阴离子,如硝酸盐,磷酸二氢盐,磷酸氢二甲酯,磷酸二甲酯等。 通过向其中加入载体材料制备含有这些带正电的调色剂材料的显影剂。 然后可以将这些显影剂用于电子照相成像系统,特别是使用带负电荷的有机光感受器如聚乙烯基咔唑的那些系统。
    • 69. 发明授权
    • Method for producing antistatic synthetic polymer film, article made
thereby, and method of use
    • 制造抗静电合成聚合物膜的方法,由此制成的制品及其使用方法
    • US4221830A
    • 1980-09-09
    • US748214
    • 1976-12-07
    • Marcel DalensArmand Haas
    • Marcel DalensArmand Haas
    • A01G13/02C08J7/04B05D5/12B32B27/14
    • A01G13/0275C08J7/047Y10S260/16Y10T428/24909Y10T428/24917Y10T428/31692
    • A method for producing an antistatic film of a synthetic polymer consisting essentially of continuously printing over at least part of the surface of at least one side of the film with aluminum powder by suspending in solvent a composition consisting essentially of aluminum powder and a polyamide resin, setting the suspension down onto the film, and permitting the solvent to evaporate The films obtained have a surface resistivity of less than 10.sup.10 ohms/cm and are useful, in addition to conventional uses such as packaging, for preventing virus degeneration of plants by virus-carrying aphides by mulching the plants with the films, limiting the increase in soil temperature in warm environments by mulching the soil with the films, and reducing the calorific energy necessary to heat greenhouses with the films.
    • 一种合成聚合物的抗静电膜的制造方法,其特征在于,该方法基本上由Al粉末和聚酰胺树脂组成的基本上由Al粉末悬浮在溶剂中,在铝的至少一面的至少一面的至少一部分的表面上连续印刷, 将悬浮液设置到膜上,并允许溶剂蒸发。所获得的膜具有小于1010欧姆/ cm 3的表面电阻率,并且除了诸如包装的常规用途之外,还可用于通过病毒感染来防止植物的病毒变性, 通过用薄膜覆盖植物来携带蚜虫,通过用薄膜覆盖土壤来限制温暖环境中土壤温度的增加,并降低用膜加热温室所需的热能。
    • 70. 发明授权
    • Powder coating compositions comprising a blend of coreactive polymers -
II D
    • 粉末涂料组合物,其包含聚集体 - II D的共混物
    • US3976719A
    • 1976-08-24
    • US606678
    • 1975-08-21
    • Santokh S. LabanaAres N. Theodore
    • Santokh S. LabanaAres N. Theodore
    • C08L33/06C08L33/08C09D5/03C09D5/46C09D133/06C09D163/00C08L63/00
    • C09D163/00C09D133/068C09D5/03C08L33/062C08L33/064C08L33/08Y10S260/16Y10S260/17Y10S260/18Y10S525/913Y10S526/934
    • Powder coating compositions are disclosed which comprise a blend of coreactable, thermosettable copolymers each of which have at least two different functional groups. Ordinarily, these polymers will be qualitatively difunctional, although they may contain more than two different functional groups, and quantitatively polyfunctional. At least one of the copolymers has epoxy functionality as one of its two or more different functionalities. Thus, in the preferred embodiments, the first copolymer of the blend has epoxy functionality and a second functionality selected from amide functionality, anhydride functionality and hydroxy functionality and is crosslinkable with the second copolymer through at least two different types of functional groups on the first copolymer. The second copolymer also is crosslinkable with the first copolymer though at least two different types of functional groups on the second copolymer and may be (a) anhydride functional and carboxy functional, (b) carboxy functional and amide functional, (c) carboxy functional and hydroxy functional, (d) epoxy functional and amide functional or (e) epoxy functional and anhydride functional. The second copolymer is advantageously employed in an amount such that its functionality of greatest concentration provides about 0.3 to about 1.2 functional groups per functional group on the first copolymer and the functionality of lesser concentration provides about 0.1 to about 0.4 functional groups per functional group on the first copolymer.
    • 公开了粉末涂料组合物,其包含可共混的,可热固化的共聚物的共混物,其各自具有至少两个不同的官能团。 通常,这些聚合物将是定性双官能的,尽管它们可以含有多于两个不同的官能团,并且定量地是多官能的。 共聚物中的至少一种具有作为其两个或多个不同官能团之一的环氧官能团。 因此,在优选实施方案中,共混物的第一共聚物具有环氧官能度和选自酰胺官能度,酸酐官能度和羟基官能度的第二官能度,并且可通过第一共聚物上的至少两种不同类型的官能团与第二共聚物交联 。 第二共聚物也可以通过第二共聚物上的至少两种不同类型的官能团与第一共聚物交联,并且可以是(a)酐官能团和羧基官能团,(b)羧基官能团和酰胺官能团,(c)羧基官能团和 羟基官能团,(d)环氧官能团和酰胺官能团或(e)环氧官能团和酸酐官能团。 第二共聚物有利地使用的量使得其最大浓度的官能度为第一共聚物上的每个官能团提供约0.3至约1.2个官能团,并且较低浓度的官能团在每个官能团上提供约0.1至约0.4个官能团 第一共聚物。