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    • 2. 发明申请
    • Acrylate-acrylamide-AMPS terpolymer as dispersant for agrochemical formulations
    • 丙烯酸酯 - 丙烯酰胺-AMPS三元共聚物作为农业化学制剂的分散剂
    • US20140148337A1
    • 2014-05-29
    • US14117220
    • 2012-05-10
    • Gerhard SchnabelRuth WirschemPaul KlingelhoeferLucelena Patricio CardosoBolette Urtel
    • Gerhard SchnabelRuth WirschemPaul KlingelhoeferLucelena Patricio CardosoBolette Urtel
    • A01N25/04A01N47/20A01N57/20
    • A01N25/04A01N25/00A01N25/10A01N47/20A01N47/24A01N57/20A01N2300/00
    • The present invention relates to a composition comprising an agrochemical active substance and a random terpolymer which comprises the monomers i), ii), iii) and optionally further monomers incorporated into the polymer, where monomer i) comprises an olefinically unsaturated monomer comprising a sulfonic acid group and/or a salt thereof, monomer ii) comprises (meth)acrylamide and/or an N-substituted derivative thereof, and monomer iii) comprises a monoethylenically unsaturated C3-C8-carboxylic acid, an anhydride and/or a salt thereof. The invention furthermore relates to a method of preparing this composition; to the use of this composition for dispersing agrochemical active substances; to a method of controlling phytopathogenic fungi and/or undesired plant growth and/or undesired insect or mite attack and/or for regulating the growth of plants, wherein the composition is allowed to act on the respective pests, their environment or the crop plants to be protected from the respective pest, on the soil and/or on undesired plants and/or on the crop plants and/or on their environment; and furthermore to seed comprising the composition.
    • 本发明涉及包含农业化学活性物质和无规三元共聚物的组合物,其包含单体i),ii),iii)和任选地加入到聚合物中的其它单体,其中单体i)包含含有磺酸的烯属不饱和单体 基团和/或其盐,单体ii)包含(甲基)丙烯酰胺和/或其N-取代的衍生物,并且单体iii)包含单烯属不饱和C 3 -C 8 - 羧酸,其酸酐和/或其盐。 本发明还涉及一种制备该组合物的方法; 使用该组合物分散农药活性物质; 涉及控制植物病原性真菌和/或不期望的植物生长和/或不需要的昆虫或螨攻击和/或调节植物生长的方法,其中允许组合物作用于相应的害虫,其环境或作物植物, 在相应的有害生物,土壤和/或不需要的植物和/或作物植物和/或其环境上受到保护; 以及包含该组合物的种子。
    • 5. 发明授权
    • Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants
    • 低分子量含磷聚丙烯酸及其作为分散剂的用途
    • US08735516B2
    • 2014-05-27
    • US13364877
    • 2012-02-02
    • Howard Roger DungworthDavid PettyBolette UrtelRuth Wirschem
    • Howard Roger DungworthDavid PettyBolette UrtelRuth Wirschem
    • C08F2/10C08L33/02
    • C08L33/02C08F8/06C08F8/40C08F220/06C08F230/02C08K3/26C08F8/44
    • Aqueous solutions of acrylic acid polymers are prepared by polymerization of acrylic acid in a feed operation with a free-radical initiator in the presence of hypophosphite in water as solvent, by a process comprising (i) initially charging water and optionally one or more ethylenically unsaturated comonomers, (ii) continuously adding acrylic acid in acidic, unneutralized form, optionally one or more ethylenically unsaturated comonomers, aqueous free-radical initiator solution and aqueous hypophosphite solution, and (iii) adding a base to the aqueous solution on completion of the acrylic acid feed, wherein a comonomer content does not exceed 30% by weight and the aqueous hypophosphite solution is added during a total feed time made up of three consecutive feed time spans ΔtI, ΔtII, and ΔtIII, wherein the average feed rate in the second feed time span ΔtII is greater than the average feed rates in the first and third feed time spans ΔtI and ΔtIII.
    • 通过以下方法制备丙烯酸聚合物的水溶液,该方法包括:(i)初始加入水和任选的一种或多种烯属不饱和的,由丙烯酸在进料操作中与自由基引发剂在次亚磷酸盐存在下,在水中作为溶剂, 共聚单体,(ii)以酸性,未中和形式连续加入丙烯酸,任选地一种或多种烯属不饱和共聚单体,自由基引发剂水溶液和次磷酸钠水溶液,和(iii)在丙烯酸完成时向水溶液中加入碱 酸进料,其中共聚单体含量不超过30重量%,并且在由三个连续进料时间跨度&Dgr; tI,&Dgr; tII和&Dgr; tIII组成的总进料时间内加入次磷酸钠溶液,其中平均 第二进料时间跨度和Dgr; tII的进料速率大于第一和第三进料时间跨度&Dgr; tI和&Dgr; tIII中的平均进料速率。
    • 7. 发明申请
    • LOW MOLECULAR WEIGHT PHOSPHORUS-CONTAINING POLYACRYLIC ACIDS AND USE THEREOF AS DISPERSANTS
    • 低分子量含磷酸的聚丙烯酸及其作为分散剂的用途
    • US20120220707A1
    • 2012-08-30
    • US13364877
    • 2012-02-02
    • Howard Roger DUNGWORTHDavid PettyBolette UrtelRuth Wirschem
    • Howard Roger DUNGWORTHDavid PettyBolette UrtelRuth Wirschem
    • C08K3/26C08K3/22C08K3/34C08L33/02C08L33/26
    • C08L33/02C08F8/06C08F8/40C08F220/06C08F230/02C08K3/26C08F8/44
    • Aqueous solutions of acrylic acid polymers are prepared by polymerization of acrylic acid in a feed operation with a free-radical initiator in the presence of hypophosphite in water as solvent, by a process comprising (i) initially charging water and optionally one or more ethylenically unsaturated comonomers, (ii) continuously adding acrylic acid in acidic, unneutralized form, optionally one or more ethylenically unsaturated comonomers, aqueous free-radical initiator solution and aqueous hypophosphite solution, and (iii) adding a base to the aqueous solution on completion of the acrylic acid feed, wherein a comonomer content does not exceed 30% by weight and the aqueous hypophosphite solution is added during a total feed time made up of three consecutive feed time spans ΔtI, ΔtII, and ΔtIII, wherein the average feed rate in the second feed time span ΔtII is greater than the average feed rates in the first and third feed time spans ΔtI and ΔtIII.
    • 通过以下方法制备丙烯酸聚合物的水溶液,该方法包括:(i)初始加入水和任选的一种或多种烯属不饱和的,由丙烯酸在进料操作中与自由基引发剂在次亚磷酸盐存在下,在水中作为溶剂, 共聚单体,(ii)以酸性,未中和形式连续加入丙烯酸,任选地一种或多种烯属不饱和共聚单体,自由基引发剂水溶液和次磷酸钠水溶液,和(iii)在丙烯酸完成时向水溶液中加入碱 酸进料,其中共聚单体含量不超过30重量%,并且在由三个连续进料时间跨度&Dgr; tI,&Dgr; tII和&Dgr; tIII组成的总进料时间内加入次磷酸钠溶液,其中平均 第二进料时间跨度和Dgr; tII的进料速率大于第一和第三进料时间跨度&Dgr; tI和&Dgr; tIII中的平均进料速率。