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    • 6. 发明申请
    • COMPOSITION FOR DISSOLVING AND/OR INHIBITING DEPOSITION OF SCALE ON A SURFACE OF A SYSTEM
    • 用于溶解和/或抑制系统表面沉积沉积的组合物
    • US20130137622A1
    • 2013-05-30
    • US13688819
    • 2012-11-29
    • BASF SE
    • Joseph P BorstKeith HirschStephen F Gross
    • C11D3/34
    • C11D3/34C02F5/10C02F2101/301C02F2303/08C11D1/88C11D3/0073C11D3/3409C11D11/0029C23F14/02C23G1/088C23G1/103C23G1/125
    • A composition for dissolving and/or inhibiting deposition of scale on a surface of a system comprises an acidic component, a wetting agent, and a corrosion inhibitor. The composition may further comprise water. The acidic component comprises an alkanesulfonic acid, e.g. methanesulfonic acid (MSA). The wetting agent comprises a surfactant. The corrosion inhibitor comprises an amphoteric surfactant. The alkanesulfonic acid is present in an amount of at least about 50 weight percent (wt %), the surfactant is present in an amount of from about 0.1 to about 30 wt %, and the amphoteric surfactant is present in an amount of from about 0.025 to about 20 wt %, each based on 100 wt % of the alkanesulfonic acid, the surfactant, and the amphoteric surfactant combined. A method of dissolving and/or inhibiting deposition of scale on the surface of the system comprises the step of contacting the surface of the system with the composition.
    • 用于溶解和/或抑制垢在体系表面沉积的组合物包含酸性组分,润湿剂和腐蚀抑制剂。 组合物还可以包含水。 酸性组分包括烷烃磺酸,例如 甲磺酸(MSA)。 润湿剂包括表面活性剂。 腐蚀抑制剂包括两性表面活性剂。 链烷磺酸以至少约50重量%(wt%)的量存在,表面活性剂的存在量为约0.1至约30重量%,两性表面活性剂的存在量为约0.025 至约20重量%,各自基于100重量%的烷基磺酸,表面活性剂和两性表面活性剂组合。 在系统表面上溶解和/或抑制垢的沉积的方法包括使系统的表面与组合物接触的步骤。
    • 8. 发明申请
    • SULFONIC GROUP-CONTAINING, MALEIC ACID-BASED, WATER-SOLUBLE COPOLYMER AQUEOUS SOLUTION AND POWDER OBTAINED BY DRYING THE AQUEOUS SOLUTION
    • 含硫酸基,基于酸性的水溶性共聚物水溶液和粉末通过干燥水溶液获得
    • US20100292122A1
    • 2010-11-18
    • US12863865
    • 2009-03-27
    • Takahiro TsumoriMasato Nakano
    • Takahiro TsumoriMasato Nakano
    • C08K3/20C02F5/10C11D3/39
    • C11D3/2086C08J3/14C08L33/00C08L33/14C08L35/00C08L41/00C11D3/33C11D3/34C11D3/3757C11D3/378C11D3/3902C11D3/3942C11D3/3947C11D7/265C11D7/34C08L2666/04
    • Provided is a copolymer aqueous solution which exerts a high calcium carbonate-deposition suppressing ability even under high hardness condition, has excellent storage stability, and suppresses coloring of a detergent to yellow even when used as a detergent raw material. The water-soluble copolymer aqueous solution includes a water-soluble copolymer and hydrogen peroxide as essential components, in which: the water-soluble copolymer at least includes, as its structure, a structural unit originating from a monoethylenic unsaturated dicarboxylic acid (or dicarboxylate) monomer having 4 to 6 carbon atoms or its anhydride (a) at 30 to 60 mol %, a structural unit originating from a monoethylenic unsaturated monocarboxylic acid (or monocarboxylate) monomer having 3 to 8 carbon atoms (b), and a structural unit originating from a monoethylenic unsaturated monomer having a sulfonic (or sulfonate) group (c); the water-soluble copolymer has a weight average molecular weight of 1,000 or more and 50,000 or less; the water-soluble copolymer aqueous solution has a weight ratio of the hydrogen peroxide of 10 ppm to 50,000 ppm with respect to a solid content of the water-soluble copolymer aqueous solution; and the water-soluble copolymer aqueous solution has a weight ratio of water of 33% to 99%.
    • 提供即使在高硬度条件下也具有高碳酸钙沉积抑制能力的共聚物水溶液,具有优异的储存稳定性,并且即使用作洗涤剂原料也能抑制洗涤剂的着色。 水溶性共聚物水溶液包含水溶性共聚物和过氧化氢作为必要成分,其中:水溶性共聚物至少包含来自单烯属不饱和二羧酸(或二羧酸酯)的结构单元作为其结构, 具有4-6个碳原子的单体或其酸酐(a)的含量为30至60摩尔%,源自具有3-8个碳原子的单烯属不饱和一元羧酸(或单羧酸酯)单体(b)的结构单元,以及起始于 来自具有磺酸(或磺酸)基团(c)的单烯属不饱和单体; 该水溶性共聚物的重均分子量为1000以上且50,000以下, 相对于水溶性共聚物水溶液的固体成分,水溶性共聚物水溶液的过氧化氢重量比为10ppm〜50,000ppm; 水溶性共聚物水溶液的重量比为33〜99%。