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    • 7. 发明申请
    • SIZING COMPOSITION
    • 尺寸组成
    • WO00034583A1
    • 2000-06-15
    • PCT/US1999/028798
    • 1999-12-07
    • B01F17/00C08L93/04C09J4/00C09J201/00D21H17/14D21H17/16D21H17/17D21H17/20D21H17/23D21H17/37D21H17/42D21H17/43D21H17/44D21H17/45D21H17/62D21H21/16
    • 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的乳化或分散组合物,所述组合物由阳离子胶体凝聚层稳定剂稳定,所述凝聚稳定剂包含阴离子组分和阳离子组分,所述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。
    • 8. 发明申请
    • POLYMER COMPOSITION FOR IMPROVED RETENTION, DRAINAGE AND FORMATION IN PAPERMAKING
    • 聚合物组合物,用于改进保存,排水和造纸
    • WO99060209A1
    • 1999-11-25
    • PCT/US1999/010763
    • 1999-05-14
    • B01D21/01D21H17/37D21H17/45D21H17/56D21H17/66D21H21/10D21H23/14D21H23/76C02F5/10D21H17/63D21H21/16
    • B01D21/01D21H17/375D21H17/455D21H17/56D21H17/66D21H21/10D21H23/14D21H23/765
    • The invention relates to a cationic polymer composition for improving the retention, drainage, and formation properties of paper and paperboard products. The cationic polymer composition comprises at least two coagulants where the first coagulant is a polynucleate aluminum silicate - sulphate compound containing a chloride molecule (PASS-C) and the second coagulant is selected from the group consisting of a polydadmac, a polyamine, a polyethylene imine, a polycyanogunidine, and a copolymer containing a DMDAAC. These two coagulants may be blended together and can be added to the pulp stock or slurry anywhere in the paper machine wet-end as the polymer composition is not shear-sensitive. The ratios of the two coagulants in the blend may range from about 1:1 to 1:4 and from about 1:1 to about 4:1. The polymer composition can be used alone in the paper making process or it can be used in combination with a flocculant (polyacrylamide) to enhance the dewatering efficiency. The flocculant is added after the shearing stages and after the addition of the polymer composition.
    • 本发明涉及用于改善纸和纸板产品的保留,排水和成型性质的阳离子聚合物组合物。 阳离子聚合物组合物包含至少两种絮凝剂,其中第一絮凝剂是含有氯化物分子(PASS-C)的多核硅酸铝 - 硫酸盐化合物,第二絮凝剂选自聚丹麦,多胺,聚乙烯亚胺 ,聚氰基胍和含有DMDAAC的共聚物。 这两种凝结剂可以混合在一起,并且可以在造纸机湿端的任何地方添加到纸浆料或浆料中,因为聚合物组合物不是剪切敏感的。 混合物中两种凝结剂的比例可以在约1:1至1:4和约1:1至约4:1的范围内。 聚合物组合物可以在造纸过程中单独使用,或者可以与絮凝剂(聚丙烯酰胺)组合使用以提高脱水效率。 在剪切阶段之后和加入聚合物组合物后加入絮凝剂。