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    • 2. 发明申请
    • Polymer compositions containing phosphates
    • 含磷酸盐的聚合物组合物
    • US20100130643A1
    • 2010-05-27
    • US12592181
    • 2009-11-20
    • William Douglas Rohrbach
    • William Douglas Rohrbach
    • C08K3/32C08C1/08
    • C08L51/003C08F2/001C08F257/02C08F265/04C08F279/02C08K3/32C08L51/00C08L51/04C08L55/02C08L67/02C08L69/00C08L2666/02
    • In a first aspect of the present invention, there is provided a polymer composition comprising (i) one or more multistage polymer comprising (a) a first stage polymer having Tg of 0° C. or lower, (b) a subsequent stage polymer having Tg of 20° C. or higher, (ii) one or more phosphate salt of a multivalent cation, and (iii) one or more alkaline phosphate, in the amount of 100 ppm or more, measured as the weight of phosphorous, based on the dry weight of said multistage polymer. In a second aspect of the present invention, there is provided a mixture comprising the polymer composition of the first aspect described above and one or more matrix resin.In a third aspect of the present invention, there is provided a process for making a polymer composition comprising the steps of providing a multistage polymer latex, coagulating said multistage polymer latex, mixing said multistage polymer with an aqueous solution of an alkaline phosphate, and drying said multistage polymer to a water content of less than 1% by weight of water based on the dry weight of said multistage polymer, wherein said dried multistage polymer comprises 100 ppm or more, based on the dry weight of said multistage polymer, of phosphorous that is in the form of an alkaline phosphate.
    • 在本发明的第一方面,提供一种聚合物组合物,其包含(i)一种或多种多段聚合物,其包含(a)Tg为0℃或更低的第一阶段聚合物,(b)后续聚合物具有 Tg为20℃或更高,(ii)多价阳离子的一种或多种磷酸盐,和(iii)一种或多种碱金属磷酸盐,其用量以磷的重量计为100ppm或更多,基于 所述多级聚合物的干重。 在本发明的第二方面,提供了包含上述第一方面的聚合物组合物和一种或多种基质树脂的混合物。 在本发明的第三方面,提供了一种制备聚合物组合物的方法,包括以下步骤:提供多级聚合物胶乳,凝结所述多级聚合物胶乳,将所述多级聚合物与碱性磷酸盐的水溶液混合,并干燥 基于所述多级聚合物的干重,所述多级聚合物的含水量小于1重量%的水,其中所述干燥多段聚合物包含基于所述多段聚合物的干重为100ppm或更多的磷,所述磷 是碱性磷酸盐的形式。
    • 4. 发明授权
    • Polymer compositions containing phosphates
    • 含磷酸盐的聚合物组合物
    • US08008372B2
    • 2011-08-30
    • US12592181
    • 2009-11-20
    • William Douglas Rohrbach
    • William Douglas Rohrbach
    • C08C1/08
    • C08L51/003C08F2/001C08F257/02C08F265/04C08F279/02C08K3/32C08L51/00C08L51/04C08L55/02C08L67/02C08L69/00C08L2666/02
    • In a first aspect of the present invention, there is provided a polymer composition comprising (i) one or more multistage polymer comprising (a) a first stage polymer having Tg of 0° C. or lower, (b) a subsequent stage polymer having Tg of 20° C. or higher, (ii) one or more phosphate salt of a multivalent cation, and (iii) one or more alkaline phosphate, in the amount of 100 ppm or more, measured as the weight of phosphorous, based on the dry weight of said multistage polymer. In a second aspect of the present invention, there is provided a mixture comprising the polymer composition of the first aspect described above and one or more matrix resin.In a third aspect of the present invention, there is provided a process for making a polymer composition comprising the steps of providing a multistage polymer latex, coagulating said multistage polymer latex, mixing said multistage polymer with an aqueous solution of an alkaline phosphate, and drying said multistage polymer to a water content of less than 1% by weight of water based on the dry weight of said multistage polymer, wherein said dried multistage polymer comprises 100 ppm or more, based on the dry weight of said multistage polymer, of phosphorous that is in the form of an alkaline phosphate.
    • 在本发明的第一方面,提供一种聚合物组合物,其包含(i)一种或多种多段聚合物,其包含(a)Tg为0℃或更低的第一阶段聚合物,(b)后续聚合物具有 Tg为20℃或更高,(ii)多价阳离子的一种或多种磷酸盐,和(iii)一种或多种碱金属磷酸盐,其用量以磷的重量计为100ppm或更多,基于 所述多级聚合物的干重。 在本发明的第二方面,提供了包含上述第一方面的聚合物组合物和一种或多种基质树脂的混合物。 在本发明的第三方面,提供了一种制备聚合物组合物的方法,包括以下步骤:提供多级聚合物胶乳,凝结所述多级聚合物胶乳,将所述多级聚合物与碱性磷酸盐的水溶液混合,并干燥 基于所述多级聚合物的干重,所述多级聚合物的含水量小于1重量%的水,其中所述干燥多段聚合物包含基于所述多段聚合物的干重为100ppm或更多的磷,所述磷 是碱性磷酸盐的形式。