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    • 4. 发明授权
    • Methods for imparting reversibly adaptable surface energy properties to target surfaces
    • 赋予目标表面可逆适应表面能特性的方法
    • US06899923B2
    • 2005-05-31
    • US10339840
    • 2003-01-10
    • William C. Kimbrell, Jr.Xinggao FangYunzhang WangDaniel T. McBride
    • William C. Kimbrell, Jr.Xinggao FangYunzhang WangDaniel T. McBride
    • B05D5/08B05D3/02
    • D06M15/277B05D5/08D06M15/256D06M15/576D06M15/653D06M15/657D06M2200/11D06M2200/12
    • The present invention relates generally to substrates that exhibit useful, auto adaptable surface energy properties that depend on the environment of the substrate. Such surface energy properties provide relatively high advancing and receding contact angles for liquids when in contact with the target substrate surface. The substrates exhibit low surface energy quantities of at most about 20 millijoules per square meter (mJ/m2) at a temperature of about 25 degrees C. and a surface energy greater than about 20 mJ/m2 at, or with exposure to, a temperature of about 40 degrees C. More specifically, encompassed within the present invention are textile substrates having this highly desirable unique surface energy modification property and which exhibit wash durable oil and water repellency and stain release features. Novel compositions and formulations that impart such surface energy modifications to substrates are also encompassed within this invention, as well as methods for producing such treated substrates.
    • 本发明一般涉及依赖于衬底环境的有用的,自动适应的表面能特性的衬底。 当与目标基板表面接触时,这种表面能量特性为液体提供相对高的前进和后退接触角。 在约25℃的温度和大于约20mJ / m 2的表面能的情况下,基材表现出低至多约20毫焦耳每平方米(mJ / m 2)的低表面能量, SUP> 2 在约40℃的温度下或暴露于约40℃。更具体地说,本发明包括具有这种非常理想的独特的表面能改性性能的织物基材,并且具有洗涤耐久性的油和水 排斥性和脱色特性。 赋予基质的这种表面能改变的新型组合物和制剂也包括在本发明内,以及生产这种处理过的基材的方法。
    • 5. 发明授权
    • Process of making aluminoxane and catalysts containing thus prepared aluminoxane
    • 制备含有如此制备的铝氧烷的铝氧烷和催化剂的方法
    • US08309749B2
    • 2012-11-13
    • US13320144
    • 2010-06-09
    • Xinggao FangTimothy A. BoyerJohn Henry Hain, Jr.
    • Xinggao FangTimothy A. BoyerJohn Henry Hain, Jr.
    • C07F5/06B01J31/00
    • C07F5/068C08F4/6592C08F10/00C08F4/65912C08F4/6428C08F4/65916
    • Processes for preparing aluminoxane comprising: bringing into contact under reaction conditions in an inert atmosphere a liquid containing reaction mixture comprising: (i) a water in oil emulsion comprising water and at least one emulsifier in a first hydrocarbon solvent; and (ii) an organoaluminum compound capable of forming aluminoxane in a second hydrocarbon solvent; provided that the aluminoxane produced by the reaction is present in solution under the reaction conditions. In a preferred embodiment a support carrier for the aluminoxane: (i) is present during the contact step or (ii) is introduced following contact. A polymerization catalyst can be prepared wherein the support carrier is SiO2 and a Group 3 to Group 10 metal containing single site complex is mixed with the aluminoxane. Catalysts suitable for polymerizing an olefin such as ethylene or copolymerizing an olefin with at least one C3 to C20 alpha-olefin can be produced.
    • 制备铝氧烷的方法包括:在惰性气氛中在反应条件下使含有液体的反应混合物接触,所述反应混合物包含:(i)在第一烃溶剂中包含水和至少一种乳化剂的水包油乳液; 和(ii)能够在第二烃溶剂中形成铝氧烷的有机铝化合物; 条件是通过反应产生的铝氧烷在反应条件下存在于溶液中。 在优选的实施方案中,铝氧烷的载体载体:(i)在接触步骤期间存在,或(ii)在接触之后引入。 可以制备聚合催化剂,其中载体载体是SiO 2,并且第3族至第10族金属含有单位点络合物与铝氧烷混合。 可以制备适合于使烯烃如乙烯聚合或使烯烃与至少一种C 3至C 20α-烯烃共聚的催化剂。