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    • 2. 发明授权
    • Fluidized bed powder coating process utilizing tribostatic charging
    • 流化床粉末涂布工艺利用静电充电
    • US06280798B1
    • 2001-08-28
    • US09555884
    • 2000-07-24
    • John RingKevin J. KittleGianfranco Arpe
    • John RingKevin J. KittleGianfranco Arpe
    • B05D124
    • B05C19/025B05D1/24Y10S118/05
    • A process for forming a coating on a conductive substrate, which comprises establishing a fluidized bed of a powder coating composition, in which the mechanism for particle charging is tribostatic charging immersing the substrate wholly or partly within the said fluidized bed, applying a voltage to the substrate for at least part of the period of immersion, whereby particles of the powder coating composition adhere to the substrate, withdrawing the substrate from the fluidized bed and forming the adherent particles into a continuous coating over at least part of the substrate. The process enables the coating of substrate areas which, because of the Faraday cage effect, are inaccessible in conventional electrostatic coating processes, and also enables the formation of thinner coatings than are obtainable by conventional fluidized-bed processes.
    • 一种用于在导电基材上形成涂层的方法,其包括建立粉末涂料组合物的流化床,其中用于颗粒装料的机理是摩擦力充电,将基材全部或部分浸入所述流化床内,向所述流化床施加电压 底物,至少部分浸渍期间,由此粉末涂料组合物的颗粒粘附到基材上,从基板上取出基材,并将粘合颗粒形成至少部分基材上的连续涂层。该方法使得 由于法拉第笼式效应,在常规静电涂布工艺中不可接触的基底区域的涂层,并且还能够形成比通过常规流化床方法可获得的更薄的涂层。
    • 4. 发明授权
    • Powder coating compositions
    • 粉末涂料组合物
    • US5470893A
    • 1995-11-28
    • US955734
    • 1993-01-29
    • John D. Sinclair-DayStephen P. CassidyJohn RingAndrew G. Cordiner
    • John D. Sinclair-DayStephen P. CassidyJohn RingAndrew G. Cordiner
    • C08J3/20C09D5/03C09C3/10
    • C08J3/203C09D5/032
    • Powder coating composition, prepared by process comprising the steps of providing a primary film-forming component and one or more other, different, components selected from film-forming components and non-film-forming components, each said component consisting of solid particles and each particle of said primary film-forming component comprising a solid polymeric binder system at least a portion of which is a film-forming resin in an amount sufficient to impart film forming properties to the composition, the particles of said other, different, components containing at least one substance that, when processed into a coating with said primary film-forming component, provides with said primary film-forming component said desired appearance or performance attribute to said coating, provided that, if the agglomerate contains a metallic or luster component and a fluidizable film-forming component, it also contains an incompatible film-forming component or a non-film-forming performance component, or two or more such components, and comminuting the components and mixing and agglomerating them to produce composite particles such that the composition is air fluidizable and can be applied to a substrate by electrostatic spray and the individual particles in said composite particles are bonded together such that the composite particles do not break down under the mechanical and/or electrostatic forces associated with application of the composition to the substrate.
    • 通过方法制备的粉末涂料组合物包括以下步骤:提供选自成膜组分和非成膜组分的初始成膜组分和一种或多种其它不同组分,每种所述组分由固体颗粒和每种 所述初始成膜组分的颗粒包含固体聚合物粘合剂体系,其至少一部分是成膜树脂,其量足以赋予组合物成膜性能,所述另一种不同组分的颗粒含有 至少一种物质,当被加工成具有所述初始成膜组分的涂层时,向所述涂层提供所述初始成膜组分所需的外观或性能属性,条件是如果附聚物含有金属或光泽组分, 可流动的成膜组分,它还含有不相容的成膜组分或非成膜性能组合物 一次或两个或更多个这样的组分,并粉碎组分并混合并附聚它们以产生复合颗粒,使得组合物是空气可流化的,并且可以通过静电喷射施加到基底上,并且所述复合颗粒中的单个颗粒结合在一起 使得复合颗粒在与组合物施加到基底相关的机械和/或静电力下不分解。
    • 5. 发明申请
    • Hybrid glass-sealed electrical connectors
    • 混合玻璃密封电连接器
    • US20050186823A1
    • 2005-08-25
    • US10785576
    • 2004-02-24
    • John RingRussell Ring
    • John RingRussell Ring
    • H01R13/52H01R4/38
    • H01R13/533E21B17/023E21B47/12H01R13/521H01R13/5216
    • An electrical connector adapted for mounting to an electrical apparatus used in either high pressure or high temperature, or both high temperature and high pressure, applications. A metal body is provided for mounting to the electrical apparatus with at least one conductor for carrying electricity to or from the electrical apparatus extending therethrough and a thermoplastic jacket is applied over the conductors to the end of the metal body that is subjected to either high pressure or high temperature, or both high temperature and high pressure, for sealing around the conductor. An insulative material is interposed between the metal body and the conductor for sealing around the conductor. In addition to providing two independent internal and two independent external seals, the glass-to-metal seal limits cold-flow (creep) of thermoplastic along the pin and through the metal body. This feature effectively eliminates the catastrophic hydraulic failures possible with prior connectors utilizing a pin, metal body, and high temperature thermoplastic. Because of the redundant internal and external seals, the connector provides undistorted electrical performance in the most hostile environments of temperature and pressure.
    • 适用于安装在高压或高温或高温高压应用中使用的电气设备的电连接器。 金属体被提供用于安装到具有至少一个导体的电气设备中,用于向从其延伸的电气设备携带电力,并且将热塑性护套施加到导体上的金属体的经受高压的端部 或高温,或高温和高压两者,用于密封导体周围。 在金属体和导体之间插入绝缘材料,用于密封导体周围。 除了提供两个独立的内部和两个独立的外部密封件之外,玻璃对金属密封限制了热塑性材料沿着销钉并穿过金属体的冷流(蠕变)。 该特征有效地消除了使用销,金属体和高温热塑性塑料的现有连接器可能发生的灾难性的液压故障。 由于冗余的内部和外部密封,连接器在最恶劣的温度和压力环境中提供无失真的电气性能。
    • 6. 发明授权
    • Powder coating compositions
    • 粉末涂料组合物
    • US06531524B2
    • 2003-03-11
    • US09749880
    • 2000-12-29
    • John RingGareth Dale CrapperKevin Jeffrey Kittle
    • John RingGareth Dale CrapperKevin Jeffrey Kittle
    • C08K334
    • C09D5/033C09D5/031C09D167/00C08L2666/54
    • A powder coating composition of the invention comprises a film-forming polymeric component having a d(v,50) in the range or from 25 to 50 microns or a d(v,70) in the range of from 25 to 70 microns, which composition incorporates by dry-blending at least one appearance-modifying additive component and a further component comprising wax-coated silica or consisting of alumina together with aluminum hydroxide. The appearance-modifying additive may be a gloss-reducing component, a texturing component, a metallic or mica component, a coloring pigment, or a further film-forming polymeric material comparable with the first film-forming polymeric material and differing in coloration therefrom, and the further additive may be alumina together with aluminum hydroxide, wax-coated silica, or a combination thereof. Preferably, no more than 70% by volume of the particles in the film-forming polymeric material are less than 50 microns. A kit of the invention comprises the individual additive components prior to mixing. The kit allows for the flexible production of a variety of finishes from a gloss powder coating composition, for example, a matte, textured, metallic, or sparkle finish, a matte metallic finish, an antique finish, or a contrast texture or metallic sparkle finish.
    • 本发明的粉末涂料组合物包含具有在25至50微米范围内的ad(v,50)或ad(v,70)范围为25至70微米范围内的成膜聚合物组分,该组合物包含 通过将至少一种外观改性添加剂组分和包含蜡涂覆的二氧化硅或由氧化铝组成的其它组分与氢氧化铝一起干混。 外观改性添加剂可以是光泽降低成分,纹理组分,金属或云母组分,着色颜料或与第一成膜聚合物材料相当并且与其成色不同的其它成膜聚合物材料, 并且另外的添加剂可以是氧化铝和氢氧化铝,蜡涂覆的二氧化硅或它们的组合。 优选地,成膜聚合物材料中不超过70体积%的颗粒小于50微米。 本发明的试剂盒在混合之前包括单独的添加剂组分。 该套件允许从光泽粉末涂料组合物,例如无光泽,纹理,金属或闪光饰面,哑光金属饰面,古董饰面或对比纹理或金属闪光饰面柔性生产各种饰面 。
    • 10. 发明申请
    • POWDER COATING MATERIALS
    • 粉末涂料
    • US20090136737A1
    • 2009-05-28
    • US11995502
    • 2006-07-11
    • John RingSteven Antony SpencerAndrew George Cordiner
    • John RingSteven Antony SpencerAndrew George Cordiner
    • B32B5/16B29B9/00
    • C09D5/031C09D5/033C09D163/00Y02P20/582Y10T428/25Y10T428/2982C08L2666/54
    • The present invention pertains to a powder coating material comprising particles having a particle size distribution which satisfies the following equation: [d(s,90)/d(s,10)]2÷[d(s,90)−7]≦3.5 and in which d(s,90) is greater than 7 μm, d(s,90) and d(s,10) being measured in microns. The powder coatings can be obtained via a grinding-classification process or an agglomeration process. In a preferred embodiment the particles are prepared by a process which comprises mechanical fusion of a powder coating material, wherein the powder is brought to a maximum temperature in the range of from the Tg of the powder to 15° C. above the Tg, at a heating rate for at least the last 3° C., preferably at least the last 4° C., up to the maximum temperature of no more than 4° C. per minute, and after a period in the range of from 0 to 40 minutes at the maximum temperature the powder is cooled.
    • 本发明涉及包含粒度分布满足以下等式的颗粒的粉末涂料:[d(s,90)/ d(s,10)] 2 / [d(s,90)-7] = 3.5,其中d(s,90)大于7μm,d(s,90)和d(s,10)以微米计。 粉末涂料可以通过研磨分级方法或凝聚过程获得。 在优选的实施方案中,颗粒通过包括粉末涂料的机械熔融的方法制备,其中将粉末的最大温度设定在高于Tg的15℃以上的范围内,在 至少最后3℃,优选至少最后4℃,至最高温度不超过4℃/分钟的加热速率,并且在0至 在最高温度下40分钟,粉末被冷却。