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    • 31. 发明授权
    • Process for working up emulsion polymers
    • 加工乳液聚合物的方法
    • US06747124B2
    • 2004-06-08
    • US10017302
    • 2001-12-14
    • Herbert EichenauerStefan Moss
    • Herbert EichenauerStefan Moss
    • C08J303
    • C08C1/15C08F6/22Y10S528/934Y10S528/936
    • A process for working up polymer components prepared by emulsion polymerization is disclosed. The process is characterized in that coagulation of the aqueous polymer latex present after emulsion polymerization is performed using a combination of A) an aqueous solution of at least one salt selected from the group consisting of sodium chloride, calcium chloride, magnesium chloride, aluminum chloride, sodium sulfate, magnesium sulfate and aluminum sulfate, B) an aqueous solution of at least one salt of an acid selected from the group consisting of hypophosphorous acid (H3PO2), phosphorous acid (H3PO3 or HPO2) and ascorbic acid and optionally C) an aqueous dilute acid selected from the group consisting of sulfuric acid, phosphoric acid and acetic acid.
    • 公开了通过乳液聚合制备聚合物组分的方法。 该方法的特征在于,乳液聚合之后存在的聚合物胶乳的凝结是使用以下组合进行的:A)至少一种选自氯化钠,氯化钙,氯化镁,氯化铝, 硫酸钠,硫酸镁和硫酸铝,B)至少一种选自次磷酸(H3PO2),亚磷酸(H 3 PO 3或HPO 2)和抗坏血酸的酸的盐的水溶液和任选的C)水性 选自硫酸,磷酸和乙酸的稀酸。