PRODUCTION OF SPHERICAL PARTICLES FROM SOLUTIONS COMPRISING A WATER-MISCIBLE SOLVENT BY THE METHOD OF UNDERWATER PELLETIZATION
    31.
    发明申请
    PRODUCTION OF SPHERICAL PARTICLES FROM SOLUTIONS COMPRISING A WATER-MISCIBLE SOLVENT BY THE METHOD OF UNDERWATER PELLETIZATION 审中-公开
    通过水下释放方法生产包含水不溶性溶剂的溶液的球形颗粒

    公开(公告)号:US20100297445A1

    公开(公告)日:2010-11-25

    申请号:US12744265

    申请日:2008-11-20

    IPC分类号: C08G75/20 C08B1/00 B29C47/00

    摘要: The present invention relates to a process for producing spherical particles of at least one material, which comprises the steps: (A) preparation of a solution or dispersion of the at least one material in at least one water-miscible solvent or dispersion medium, (B) conversion of the solution or dispersion obtained in step (A) into individual portions comprising an amount of the at least one material corresponding to the amount present in the spherical particles by underwater pelletization and (C) introduction of the portions obtained in step (B) into a medium which is miscible with the solvent or dispersion medium from step (A) and in which the material used in step (A) is insoluble so that the solvent or dispersion medium used in step (A) is replaced by the medium which is miscible with the solvent or dispersion medium from step (A) and the material solidifies to form the spherical particle.

    摘要翻译: 本发明涉及一种制备至少一种材料的球形颗粒的方法,其包括以下步骤:(A)在至少一种水混溶性溶剂或分散介质中制备所述至少一种材料的溶液或分散体( B)将步骤(A)中获得的溶液或分散体转化成包含一定量的至少一种与球形颗粒中存在的量相对应的材料的水溶液造粒和(C)将步骤 B)进入与步骤(A)的溶剂或分散介质混溶的介质,其中步骤(A)中使用的材料是不溶的,使得步骤(A)中使用的溶剂或分散介质被介质 其与来自步骤(A)的溶剂或分散介质混溶,并且材料固化以形成球形颗粒。