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    • 7. 发明授权
    • Composite dispersion, method of producing the same, and articles made therefrom
    • 复合分散体,其制造方法以及由其制成的制品
    • US08349945B2
    • 2013-01-08
    • US12994999
    • 2009-05-27
    • David L. MalotkySarah T. EckersleyBedri ErdemDebkumar Bhattacharjee
    • David L. MalotkySarah T. EckersleyBedri ErdemDebkumar Bhattacharjee
    • C08L83/07C08L67/00C08L71/02
    • C08L83/04C08J3/05C08L23/16C08L33/04C08L63/00
    • The instant invention is a composite dispersion, method of producing the same, and articles made therefrom. The composite dispersion according to the instant invention comprises (1) a first seed dispersion comprising (a) a first internal phase; and (b) an external phase, and (2) a second internal phase; wherein the composite dispersion comprises more than 60 percent by the combined weight of the first internal phase and the second internal phase, and the composite dispersion has a viscosity of less than 10,000 cP measured by RV4 spindle at 20 rpm at greater than 60 weight percent total internal phase, and wherein the composite dispersion has a bimodal particle size distribution and a particle size ratio (P2/P1) in the range of 2 to 200. The first internal phase comprises a first hydrophobic material selected from the group consisting of alkyd, silicone, polyolefin, polyurethane, epoxy, emulsion polymer, and polyester. The external phase comprises water. The second internal phase comprises a second hydrophobic material selected from the group consisting of alkyd, silicone, polyurethane prepolymer, epoxy, and polyester.
    • 本发明是一种复合分散体,其制备方法和由其制成的制品。 根据本发明的复合分散体包含(1)第一种子分散体,其包含(a)第一内相; 和(b)外部相,和(2)第二内部相; 其中所述复合分散体包含多于60%的第一内相和第二内相的组合重量,并且所述复合分散体具有通过RV4主轴在20rpm下以大于60重量%的总量测量的小于10,000cP的粘度 内部相,并且其中所述复合分散体具有2至200范围内的双峰粒度分布和粒径比(P2 / P1)。所述第一内相包含选自醇酸树脂,硅氧烷 ,聚烯烃,聚氨酯,环氧树脂,乳液聚合物和聚酯。 外部相包括水。 第二内相包括选自醇酸树脂,硅氧烷,聚氨酯预聚物,环氧树脂和聚酯的第二疏水材料。
    • 10. 发明申请
    • COMPOSITE DISPERSION, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM
    • US20110077350A1
    • 2011-03-31
    • US12994999
    • 2009-05-27
    • David L. MalotkySarah T. EckersleyBedri ErdemDebkumar Bhattacharjee
    • David L. MalotkySarah T. EckersleyBedri ErdemDebkumar Bhattacharjee
    • C08L83/07C08L67/00C08L71/02
    • C08L83/04C08J3/05C08L23/16C08L33/04C08L63/00
    • The instant invention is a composite dispersion, method of producing the same, and articles made therefrom. The composite dispersion according to the instant invention comprises (1) a first seed dispersion comprising (a) a first internal phase; and (b) an external phase, and (2) a second internal phase; wherein the composite dispersion comprises more than 60 percent by the combined weight of the first internal phase and the second internal phase, and the composite dispersion has a viscosity of less than 10,000 cP measured by RV4 spindle at 20 rpm at greater than 60 weight percent total internal phase, and wherein the composite dispersion has a bimodal particle size distribution and a particle size ratio (P2/P1) in the range of 2 to 200. The first internal phase comprises a first hydrophobic material selected from the group consisting of alkyd, silicone, polyolefin, polyurethane, epoxy, emulsion polymer, and polyester. The external phase comprises water. The second internal phase comprises a second hydrophobic material selected from the group consisting of alkyd, silicone, polyurethane prepolymer, epoxy, and polyester. The process for producing a composite dispersion according to the instant invention comprises the steps of: (1) selecting a first internal phase comprising a first hydrophobic material selected from the group consisting of alkyd, silicone, polyolefm, polyurethane, epoxy, emulsion polymer, polyester; (2) selecting an external phase comprising water; (3) contacting the first hydrophobic material with the external phase; (4) thereby producing a first seed dispersion; (5) contacting the first seed dispersion and a second internal phase comprising a second hydrophobic material selected from the group consisting of alkyd, silicone, polyurethane prepolymer, epoxy, polyester; (6) thereby forming the composite dispersion, wherein the composite dispersion comprises more than 60 percent by the combined weight of the first internal phase and the second internal phase, and wherein the composite dispersion has a viscosity of less than 10,000 cP measured by RV4 spindle at 20 rpm at greater than 60 weight percent total internal phase, and wherein the composite dispersion has a bimodal particle size distribution and a particle size ratio (P2/P1) in the range of 2 to 200. The articles according to the instant invention comprise the inventive composite dispersion.