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19 条记录 (耗时 0.022 秒)

    Modification of Paper Coating Rheology
    3.
    发明申请
    Modification of Paper Coating Rheology 审中-公开
    纸涂层流变学改造

    公开(公告)号：US20100173086A1

    公开(公告)日：2010-07-08

    申请号：US12496981

    申请日：2009-07-02

    申请人： Howard Roger Dungworth ,  David Petty ,  Olli Juhani Jokinen

    发明人： Howard Roger Dungworth ,  David Petty ,  Olli Juhani Jokinen

    IPC分类号： B05D3/02 ,  C08L31/02

    CPC分类号： D21H19/58 ,  C09D133/08

    摘要： Thickener compositions for addition to paper coating compositions in order to obtain low high shear viscosity and good water retention are disclosed. The thickener compositions comprise an associative polymer with an associative monomer content below 10% by weight, based on the weight of the polymer, a weight average molecular weight below one million and an acid monomer content of at least 10% by weight, based on the weight of the polymer.

    摘要翻译： 公开了用于加入纸涂层组合物以获得低的高剪切粘度和良好的保水性的增稠剂组合物。 增稠剂组合物包含缔合单体含量低于10重量％的缔合聚合物，基于聚合物的重量，重均分子量低于100万，酸单体含量至少为10重量％，基于 聚合物的重量。

    Particulate compositions and their manufacture
    4.
    发明授权
    Particulate compositions and their manufacture 有权
    颗粒组成及其制造

    公开(公告)号：US07932191B2

    公开(公告)日：2011-04-26

    申请号：US11587472

    申请日：2005-04-18

    申请人： Howard Roger Dungworth ,  Rachel Weston ,  Rebecca Kelly

    发明人： Howard Roger Dungworth ,  Rachel Weston ,  Rebecca Kelly

    IPC分类号： B32B3/00 ,  B32B25/00 ,  C08L83/00 ,  B05D7/00

    CPC分类号： B01J13/18 ,  D01F1/10 ,  D06M23/12 ,  Y10T428/2984 ,  Y10T428/2991 ,  Y10T442/20 ,  Y10T442/2861

    摘要： A composition comprising particles which comprise a core material within a polymeric shell, wherein the core material comprises a hydrophobic substance, in which the amount of the polymeric shell forms at least 8% of the total weight of the particles, wherein the polymeric shell comprises a copolymer formed from a monomer blend which comprises, A) 5 to 90% by weight of an ethylenically unsaturated water soluble monomer, B) 5 to 90% by weight of a multifunctional monomer, and C) 0 to 55% by weight other monomer, and wherein the amount of the polymeric shell and the proportions of. A, B and C are such that the particles exhibit a half height of at least 350° C. The invention includes a process for the manufacture of particles and the use of particles in articles, such as fabrics, and coating compositions, especially for textiles.

    摘要翻译： 一种组合物，其包含在聚合物壳内包含核心材料的颗粒，其中所述芯材料包含疏水性物质，其中所述聚合物壳的量形成颗粒总重量的至少8％，其中所述聚合物壳包含 由单体共混物形成的共聚物，A）5至90重量％的烯属不饱和水溶性单体，B）5至90重量％的多官能单体，和C）0至55重量％的其它单体， 并且其中聚合物壳的量和比例。 A，B和C使得颗粒呈现至少350℃的半高度。本发明包括制造颗粒的方法和在制品中使用颗粒，例如织物和涂料组合物，特别是用于纺织品 。

    Aqueous polymeric emulsion compositions
    6.
    发明授权
    Aqueous polymeric emulsion compositions 失效
    水性聚合物乳液组合物

    公开(公告)号：US06620878B1

    公开(公告)日：2003-09-16

    申请号：US09936334

    申请日：2001-09-12

    申请人： Ian Russell Lyons ,  Howard Roger Dungworth

    发明人： Ian Russell Lyons ,  Howard Roger Dungworth

    IPC分类号： C08L3302

    CPC分类号： C09D133/064 ,  C08L2201/50 ,  C09D133/062 ,  G02B6/4494

    摘要： A pourable liquid composition comprising water, a water soluble or water swellable organic polymer, comprising 25 to 90 mole % monomer or monomers selected from the group consisting of C8-C30 alkyl ethoxylated (meth)acrylates, C8-C30 alkyl ethoxylated (meth)acrylamides, C8-C30 alkyl (meth)allyl ethers and C8-C30 alkyl ethoxylated (meth)allyl ethers, an organic water miscible liquid selected from the group consisting of C1-5 alcohols, C3-5 ketones, C2-5 esters and C2-5 ethers, characterized in that the organic polymer is present as discrete particles of average diameter size of below 10 microns. A process of imparting water resistance to the components of a cable said process by first contacting one or more of said components of a cable with said pourable liquid composition, and then assembling the components to form the cable. The composition is particularly suitable for protecting optical fibers within a fiber optic cable against the ingress of water.

    摘要翻译： 包含水，水溶性或水可溶胀有机聚合物的可倾倒液体组合物，包含25-90％（摩尔）单体或选自C8-C30烷基乙氧基化（甲基）丙烯酸酯，C8-C30烷基乙氧基化（甲基）丙烯酰胺 ，（甲基）烯丙基醚的C 8 -C 30烷基酯和C 8 -C 30烷基乙氧基化的（甲基）烯丙基醚，选自C 1-5醇，C 3-5酮，C 2-5酯和C 2 -C 6烷基的有机水可混溶液体， 5个醚，其特征在于有机聚合物作为平均直径尺寸小于10微米的离散颗粒存在。 通过首先使电缆的一个或多个所述部件与所述可倾倒的液体组合物接触，然后组装所述部件以形成所述电缆，从而对所述工艺的部件施加耐水性的方法。 该组合物特别适合于保护光纤内的光纤免受水的侵入。

    Particulate compositions and their manufacture
    8.
    发明授权
    Particulate compositions and their manufacture 有权
    颗粒组成及其制造

    公开(公告)号：US06716526B2

    公开(公告)日：2004-04-06

    申请号：US10181335

    申请日：2002-07-17

    申请人： Rachel Clare Weston ,  Howard Roger Dungworth

    发明人： Rachel Clare Weston ,  Howard Roger Dungworth

    IPC分类号： B32B2700

    CPC分类号： D06M23/12 ,  B01J13/14 ,  C08F291/00 ,  D01F1/10 ,  D21H21/54 ,  Y10T428/2984 ,  C08F2/22

    摘要： A composition comprising particles which comprise a core material within a polymeric shell, wherein the core material comprises a hydrophobic substance, characterized in that the polymeric shell comprises a copolymer formed from a monomer blend which comprises, A) 30 to 90% by weight methacrylic acid B) 10 to 70% by weight alkyl ester of (meth)acrylic acid which is capable of forming a homopolymer of glass transition temperature in excess of 60° C. and C) 0 to 40% by weight other ethylenically unsaturated monomer. The core material can comprise an active ingredient selected from the group consisting of UV absorbers, UV reflectors, pigments, dyes, colorants, scale inhibitors, corrosion inhibitors, antioxidants, pour point depressants, wax deposition inhibitors, dispersants, flame retardants, biocides, active dye tracer materials and phase change materials. The composition has the advantage that the polymeric shell is highly impermeable to the core material even at elevated temperatures.

    摘要翻译： 一种组合物，其包含在聚合物壳体内包含芯材料的颗粒，其中所述芯材料包含疏水性物质，其特征在于，所述聚合物壳包含由单体共混物形成的共聚物，所述共聚物包含：A）30至90重量％的甲基丙烯酸 B）10至70重量％的（甲基）丙烯酸烷基酯，其能够形成玻璃化转变温度超过60℃的均聚物，和C）0至40重量％的其它烯属不饱和单体。 核心材料可以包含选自紫外线吸收剂，紫外线反射剂，颜料，染料，着色剂，防垢剂，腐蚀抑制剂，抗氧化剂，倾点下降剂，蜡沉积抑制剂，分散剂，阻燃剂，杀生物剂，活性成分 染料示踪材料和相变材料。 该组合物的优点在于，即使在升高的温度下，聚合物外壳也对核心材料是非常不渗透的。

    Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants
    9.
    发明授权
    Low molecular weight phosphorus-containing polyacrylic acids and use thereof as dispersants 有权
    低分子量含磷聚丙烯酸及其作为分散剂的用途

    公开(公告)号：US08735516B2

    公开(公告)日：2014-05-27

    申请号：US13364877

    申请日：2012-02-02

    申请人： Howard Roger Dungworth ,  David Petty ,  Bolette Urtel ,  Ruth Wirschem

    发明人： Howard Roger Dungworth ,  David Petty ,  Bolette Urtel ,  Ruth Wirschem

    IPC分类号： C08F2/10 ,  C08L33/02

    CPC分类号： C08L33/02 ,  C08F8/06 ,  C08F8/40 ,  C08F220/06 ,  C08F230/02 ,  C08K3/26 ,  C08F8/44

    摘要： 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.

    摘要翻译： 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。