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    • 3. 发明授权
    • Sizing agents and starting materials for their preparation
    • 上浆剂和起始原料的制备
    • US06231659B1
    • 2001-05-15
    • US09339674
    • 1999-06-24
    • Patrick C. HuValerie N. LeGloahecMichelle R. FreeDixie E. Goins
    • Patrick C. HuValerie N. LeGloahecMichelle R. FreeDixie E. Goins
    • C09D700
    • C07C57/13D21H17/16D21H21/16
    • The sizing agents are mixtures of alkenyl succinic anhydrides in which the alkenyl groups have in the range of about 6 to about 40 carbon atoms, and in which at least 97 wt % of the alkenyl groups are bifurcated on the alpha carbon atom into two branches neither of which has less than two carbon atoms. Other characteristics of the mixture are that (1) 20-50% of the bifurcated alkenyl groups have only one methyl or methylene substituent and no other side chain, and the remainder of such bifurcated groups have two straight chain branches (no side chain) emanating from the alpha carbon atom, (2) at least 3 alkenyl succinic anhydrides that differ in the number of alkenyl carbon atoms are each present in at least 5 wt % in the mixture, (3) no more than about 50 wt % of the alkenyl succinic anhydrides is any given alkenyl succinic anhydride or mixture of isomers having the same number of carbon atoms in their alkenyl groups, (4) the average number of carbon atoms in the alkenyl groups is ca. 16-22 per molecule, and (5) the mixture has a viscosity at 25° C. in the range of about 80 to about 220 centistokes.
    • 上浆剂是烯基琥珀酸酐的混合物,其中烯基具有约6至约40个碳原子的范围,并且其中至少97重量%的链烯基在α碳原子上分叉成两个分支, 其中有少于两个碳原子。 混合物的其他特征是(1)20-50%的分叉链烯基仅具有一个甲基或亚甲基取代基,而没有其它侧链,其余的这种分叉基团具有两个发散的直链分支(无侧链) (2)链烯基碳原子数不同的至少3个链烯基琥珀酸酐在混合物中至少为5重量%,(3)不大于约50重量%的链烯基 琥珀酸酐是任何给定的烯基琥珀酸酐或其烯基中具有相同碳原子数的异构体混合物,(4)烯基中的平均碳原子数为约。 16-22,和(5)混合物在25℃下的粘度在约80至约220厘沲的范围内。
    • 5. 发明授权
    • Method for repairing and lustering defects on hydrophilic coat surface
    • 亲水涂层表面修复和光泽缺陷的方法
    • US06638327B2
    • 2003-10-28
    • US10203957
    • 2002-08-13
    • Fujio Hara
    • Fujio Hara
    • C09D700
    • C09G1/02C09G1/04
    • A method for repairing and lustering defects on a hydrophilic coat surface is reported. The method comprises the steps of applying a buffing composition on a hydrophilic coat surface; and buffing the hydrophilic coat surface to which the buffing composition has been applied. The buffing composition is an aqueous composition which comprises water and a water-soluble high-boiling-point liquid organic compound, and further comprises either a combination of abrasive particles and a dispersant, or lustering agent, or the both. The method allows for the removal of defects on a hydrophilic coat surface with good finish after repairing and without deteriorizing the antifouling function of the hydrophilic coat against urban fouling substances.
    • 报道了一种在亲水涂层表面上修复和消除缺陷的方法。 该方法包括以下步骤:在亲水涂层表面上施用抛光组合物; 并抛光已经涂敷了抛光组合物的亲水涂层表面。 抛光组合物是水性组合物,其包含水和水溶性高沸点液体有机化合物,并且还包括磨料颗粒和分散剂,或光泽剂或两者的组合。 该方法允许在修复之后在亲水涂层表面上除去缺陷,并且不会使亲水涂层的防污功能对城市污染物质的恶化。