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    • 2. 发明授权
    • Aqueous poly(meth)acrylic acid-based polymer solution
    • 聚(甲基)丙烯酸聚合物水溶液
    • US09234094B2
    • 2016-01-12
    • US13704888
    • 2011-06-17
    • Norihiro WakaoAkihiko KanzakiJunichi Chosa
    • Norihiro WakaoAkihiko KanzakiJunichi Chosa
    • C08L33/00C08L33/02C08F2/10C08F20/06
    • C08L33/02C08F2/10C08F20/06
    • An aqueous solution containing a poly(meth)acrylic acid-based polymer which shows excellent dispersibility for inorganic substances, satisfactory long-term dispersibility, and a favorable color is provided. The aqueous solution of the present invention is an aqueous solution comprising a poly(meth)acrylic acid-based polymer, the poly(meth)acrylic acid-based polymer including carboxyl groups, wherein in 100 mol % of the carboxyl groups, 30 to 85 mol % of the carboxyl groups are in an alkali metal salt form of the carboxyl groups, and 15 to 70 mol % of the carboxyl groups are in an acid form of the carboxyl groups, the poly(meth)acrylic acid-based polymer containing a phosphorus-containing group, the poly(meth)acrylic acid-based polymer having a weight average molecular weight of 2000 to 9000, the aqueous poly(meth)acrylic acid-based polymer solution having a concentration of inorganic anions, each including a sulfur or phosphorus atom, of 1000 to 10000 ppm relative to the aqueous poly(meth)acrylic acid-based polymer solution.
    • 提供了含有对于无机物质具有优异的分散性,令人满意的长期分散性和良好的颜色的聚(甲基)丙烯酸类聚合物的水溶液。 本发明的水溶液是包含聚(甲基)丙烯酸类聚合物,包含羧基的聚(甲基)丙烯酸类聚合物)的水溶液,其中100摩尔%的羧基为30〜85 羧基的摩尔%为羧基的碱金属盐形式,羧基的15〜70摩尔%为羧基,聚(甲基)丙烯酸类聚合物含有 含磷基团,重均分子量为2000〜9000的聚(甲基)丙烯酸类聚合物,具有无机阴离子浓度的聚(甲基)丙烯酸系聚合物水溶液,各自含有硫或 磷原子相对于聚(甲基)丙烯酸系聚合物水溶液为1000〜10000ppm。
    • 3. 发明授权
    • Betaine compound and process for production thereof
    • 甜菜碱化合物及其生产方法
    • US06452030B1
    • 2002-09-17
    • US09714259
    • 2000-11-17
    • Junichi ChosaTakashi TomitaMalcolm Andrew Kelland
    • Junichi ChosaTakashi TomitaMalcolm Andrew Kelland
    • C07C23700
    • C07C229/22
    • This invention provides a hydroxyl group-containing betaine compound and a long-chain alkyl group-containing betaine compound, both of which are highly biodegradable and useful as surfactants, bactericides, antistatic agents, softening agents, rust inhibitors, resin modifiers, synthetic intermediates, etc. The invention further provides processes for producing such betaine compounds. The hydroxyl group-containing betaine compound mentioned above can be represented by the following general formula (1) wherein R1 and R2 maybe the same or different and each represents a hydrogen atom, a C1-8 hydrocarbon group or a C1-8 hydrocarbon group having a hydroxyl group, exclusive of the case in which both of R1 and R2 respectively represent a hydrogen atom; in case neither R1 nor R2 represents a hydrogen atom, R1 and R2 may be joined to each other through a single bond or through at least one kind of element selected from the group consisting of O, S and N; R3 represents a hydrogen atom, a methyl group or a hydroxymethyl group; A represents a hydrocarbon group of 2˜25 carbon atoms.
    • 本发明提供了含羟基的甜菜碱化合物和长链烷基的甜菜碱化合物,它们都是高度可生物降解的并且可用作表面活性剂,杀菌剂,抗静电剂,软化剂,​​防锈剂,树脂改性剂,合成中间体, 本发明还提供了这样的甜菜碱化合物的制造方法。上述含羟基的甜菜碱化合物可以由以下通式(1)表示,其中R 1和R 2可以相同或不同,各自表示氢原子, C 1-8烃基或具有羟基的C 1-8烃基,不同之处在于分别表示R 1和R 2均表示氢原子的情况; 在R1和R2都不表示氢原子的情况下,R1和R2可以通过单键或选自O,S和N中的至少一种元素彼此连接; R3表示氢原子,甲基或羟甲基; A表示2〜25个碳原子的烃基。
    • 5. 发明申请
    • AQUEOUS POLY(METH)ACRYLIC ACID (SALT) SOLUTION AND PROCESS FOR PREPARING SAME
    • 水性聚(甲基)丙烯酸(盐)溶液及其制备方法
    • US20130261257A1
    • 2013-10-03
    • US13991967
    • 2011-12-21
    • Norihiro WakaoAkihiko KanzakiJunichi Chosa
    • Norihiro WakaoAkihiko KanzakiJunichi Chosa
    • C08K3/30C08K3/32
    • C08K3/30C01P2006/22C08F2/44C08F20/06C08K3/32C08K5/49C08K5/52C09C3/10C09D7/45
    • An object of the present invention is to provide an aqueous poly(meth)acrylic acid (salt) solution having high dispersibility of inorganic substances and demonstrating dispersibility having sufficient stability over time, and a process for preparing the same.The present invention relates to an aqueous poly(meth)acrylic acid (salt) solution comprising a poly(meth)acrylic acid (salt) having a weight average molecular weight of 1000 to 10000 polymerized in the presence of a phosphorus compound containing hypophosphorous acid (salt), wherein the phosphorus compound contains 0 to 0.3% by mass of a phosphorous acid (salt) based on 100% by mass of the phosphorus compound, and the aqueous poly(meth)acrylic acid (salt) solution contains 0 to 10000 ppm of an inorganic anion; and a process for preparing an aqueous poly(meth)acrylic acid (salt) solution comprising the step of polymerizing a monomer in an aqueous solvent in the presence of a phosphorus compound containing hypophosphorous acid (salt), wherein the monomer contains a (meth)acrylic acid (salt) as an essential component, the phosphorus compound contains 0 to 0.3% by mass of a phosphorous acid (salt) based on 100% by mass of the phosphorus compound, the poly(meth)acrylic acid (salt) has a weight average molecular weight of 1000 to 10000, and the aqueous poly(meth)acrylic acid (salt) solution contains 0 to 10000 ppm of an inorganic anion.
    • 本发明的目的是提供一种具有高分散性的无机物质的聚(甲基)丙烯酸(盐)水溶液,并显示出具有足够的稳定性随时间推移的分散性及其制备方法。 本发明涉及在含有次磷酸的磷化合物存在下聚合的重均分子量为1000〜10000的聚(甲基)丙烯酸(盐)的聚(甲基)丙烯酸(盐)水溶液) 盐),其中,相对于磷化合物100质量%,磷化合物含有0〜0.3质量%的亚磷酸(盐),聚(甲基)丙烯酸(盐)水溶液含有0〜10000ppm 的无机阴离子; 以及制备聚(甲基)丙烯酸(盐)水溶液的方法,包括在含有次磷酸(盐)的磷化合物的存在下,在水溶剂中使单体聚合的步骤,其中所述单体含有(甲基) 丙烯酸(盐)作为必要成分时,磷化合物以磷化合物100质量%计含有0〜0.3质量%的亚磷酸(盐),聚(甲基)丙烯酸(盐)具有 重均分子量为1000〜10000,聚(甲基)丙烯酸(盐)水溶液含有0〜10000ppm的无机阴离子。
    • 6. 发明申请
    • AQUEOUS POLY(METH)ACRYLIC ACID-BASED POLYMER SOLUTION
    • 水性聚(甲基)丙烯酸聚合物溶液
    • US20130090425A1
    • 2013-04-11
    • US13704888
    • 2011-06-17
    • Norihiro WakaoAkihiko KanzakiJunichi Chosa
    • Norihiro WakaoAkihiko KanzakiJunichi Chosa
    • C08L33/02
    • C08L33/02C08F2/10C08F20/06
    • An aqueous solution containing a poly(meth)acrylic acid-based polymer which shows excellent dispersibility for inorganic substances, satisfactory long-term dispersibility, and a favorable color is provided. The aqueous solution of the present invention is an aqueous solution comprising a poly(meth)acrylic acid-based polymer, the poly(meth)acrylic acid-based polymer including carboxyl groups, wherein in 100 mol % of the carboxyl groups, 30 to 85 mol % of the carboxyl groups are in an alkali metal salt form of the carboxyl groups, and 15 to 70 mol % of the carboxyl groups are in an acid form of the carboxyl groups, the poly(meth)acrylic acid-based polymer containing a phosphorus-containing group, the poly(meth)acrylic acid-based polymer having a weight average molecular weight of 2000 to 9000, the aqueous poly(meth)acrylic acid-based polymer solution having a concentration of inorganic anions, each including a sulfur or phosphorus atom, of 1000 to 10000 ppm relative to the aqueous poly(meth)acrylic acid-based polymer solution.
    • 提供了含有对于无机物质具有优异的分散性,令人满意的长期分散性和良好的颜色的聚(甲基)丙烯酸类聚合物的水溶液。 本发明的水溶液是包含聚(甲基)丙烯酸类聚合物,包含羧基的聚(甲基)丙烯酸类聚合物)的水溶液,其中100摩尔%的羧基为30〜85 羧基的摩尔%为羧基的碱金属盐形式,羧基的15〜70摩尔%为羧基,聚(甲基)丙烯酸类聚合物含有 含磷基团,重均分子量为2000〜9000的聚(甲基)丙烯酸类聚合物,具有无机阴离子浓度的聚(甲基)丙烯酸系聚合物水溶液,各自含有硫或 磷原子相对于聚(甲基)丙烯酸系聚合物水溶液为1000〜10000ppm。