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    • 77. 发明授权
    • Coacervate stabilizer system
    • 凝聚稳定剂体系
    • US06315824B1
    • 2001-11-13
    • US09207834
    • 1998-12-07
    • Rodrigue V. Lauzon
    • Rodrigue V. Lauzon
    • D21H2116
    • C08L93/04D21H17/16D21H17/17D21H17/20D21H17/23D21H17/455D21H17/62D21H21/16
    • The present invention relates to a stabilized emulsified or dispersed composition comprising a hydrophobic phase and an aqueous phase, the composition being stabilized by a cationic colloidal coacervate stabilizing agent, the coacervate stabilizing agent comprising an anionic component and a cationic component, the anionic and cationic components being present in a proportion such that the composition has a zeta potential of at least about 20 millivolts. The hydrophobic phase is preferably a non-rosin sizing agent, including a reactive or nonreactive sizing agent, although mixtures of rosin and non-rosin sizing agents can form stable emulsions or dispersions using the coacervate of the invention. Methods of making and using the stable emulsions or dispersions are also disclosed, as is sized paper made using an emulsified or dispersed sizing agent stabilized with the coacervate stabilizing agent of the invention.
    • 本发明涉及包含疏水相和水相的稳定化的乳化或分散组合物,该组合物由阳离子胶体凝聚层稳定剂稳定,凝聚层稳定剂包含阴离子组分和阳离子组分,阴离子和阳离子组分 存在的比例使得组合物具有至少约20毫伏的ζ电位。 疏水相优选为非松香施胶剂,包括反应性或非反应性施胶剂,尽管松香和非松香施胶剂的混合物可以使用本发明的凝聚层形成稳定的乳液或分散体。 还公开了制备和使用稳定的乳液或分散体的方法,如使用用本发明的凝聚层稳定剂稳定的乳化或分散的施胶剂制成的尺寸纸。