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    • 31. 发明授权
    • Diene-containing rubber compositions having improved green strength
    • 具有改善生坯强度的含二烯橡胶组合物
    • US4414359A
    • 1983-11-08
    • US342670
    • 1982-01-25
    • David J. DoughertyBinnur GunesinJohn W. Spiewak
    • David J. DoughertyBinnur GunesinJohn W. Spiewak
    • C08F212/00C08F236/04C08F220/58
    • C08F236/04C08F212/00
    • The invention disclosed herein provides a process for preparing a diene-containing synthetic rubber having improved green strength which includes the steps of charging a reaction vessel with water, an emulsifier, an initiator, an N-(alkoxymethyl)acrylamide monomer and a monomer containing a vinyl group, purging the vessel with an inert gas, charging a diene monomer and an activator to the vessel, polymerizing the monomers to form a copolymer; and, thereafter extracting the copolymer from the vessel and any unreacted monomers. A styrene-butadiene composition containing up to about 10 percent by weight of N-(isobutoxymethyl)acrylamide exhibits better stress-strain properties than a comparable styrene-butadiene rubber without the acrylamide compound.
    • 本文公开的本发明提供了一种制备具有改善的生坯强度的含二烯的合成橡胶的方法,其包括以下步骤:向反应容器中加入水,乳化剂,引发剂,N-(烷氧基甲基)丙烯酰胺单体和含有 乙烯基,用惰性气体吹扫容器,将二烯单体和活化剂装入容器中,聚合单体以形成共聚物; 然后从容器中提取共聚物和任何未反应的单体。 含有高达约10重量%N-(异丁氧基甲基)丙烯酰胺的苯乙烯 - 丁二烯组合物表现出比不含丙烯酰胺化合物的可比较苯乙烯 - 丁二烯橡胶更好的应力 - 应变性能。
    • 32. 发明授权
    • Imaging apparatuses and processes thereof containing a marking material with a charge acceptance additive of an aluminum complex
    • 其成像设备及其工艺包含具有铝复合物的电荷接受添加剂的标记材料
    • US06212347B1
    • 2001-04-03
    • US09492429
    • 2000-01-27
    • Weizhong ZhaoDavid H. PanJohn W. SpiewakChristopher M. Knapp
    • Weizhong ZhaoDavid H. PanJohn W. SpiewakChristopher M. Knapp
    • G03G1510
    • G03G15/34G03G9/09783G03G9/1355G03G13/10
    • An imaging apparatus containing an imaging member with an electrostatic latent image formed thereon, the imaging member containing a surface capable of supporting marking material; an imaging device for generating the electrostatic latent image on the imaging member wherein the electrostatic latent image includes image areas defined by a first charge voltage and nonimage areas defined by a second charge voltage distinguishable from the first charge voltage; a marking material supply apparatus for depositing marking material on the surface of the imaging member to form a marking material layer thereon adjacent the electrostatic latent image on the imaging member; a charging source for selectively delivering charges to the marking material layer in an imagewise manner responsive to the electrostatic latent image on the imaging member to form a secondary latent image in the marking material layer containing image and nonimage areas corresponding to the electrostatic latent image on the imaging member; and a separator member for selectively separating portions of the marking material layer in accordance with the secondary latent image in the marking material layer to create a developed image corresponding to the electrostatic latent image formed on the imaging member, and wherein the marking material is comprised of developer containing an optional liquid, resin, colorant, and a charge acceptance additive of an aluminum complex of the formulas, or mixtures thereof wherein R1 is selected from the group consisting of hydrogen and alkyl, and n represents the number of R1 groups, and wherein the charge acceptance additive captures and retains negative ions or positive ions.
    • 一种成像装置,包括其上形成有静电潜像的成像构件,所述成像构件包含能够支撑标记材料的表面;成像装置,用于在所述成像构件上产生静电潜像,其中所述静电潜像包括由 第一充电电压和非图像区域,其由与第一充电电压区分的第二充电电压限定;标记材料供应装置,用于在成像构件的表面上沉积标记材料,以在成像构件上邻近静电潜像形成标记材料层 构件;充电源,用于响应于成像构件上的静电潜像以成像方式选择性地将电荷输送到标记材料层,以在包含对应于静电潜像的图像和非图像区域的标记材料层中形成次级潜像 在想象中 会员 以及分离器构件,用于根据标记材料层中的次级潜像选择性地分离标记材料层的部分,以产生对应于在成像构件上形成的静电潜像的显影图像,并且其中标记材料由显影剂 含有下式的铝络合物或其混合物的任选的液体,树脂,着色剂和电荷接受添加剂,其中R1选自氢和烷基,n表示R1基团的数量,其中电荷 接受添加剂捕获并保留负离子或正离子。