HOLLOW PLASTIC SPHERES WITH CONTROLLED PARTICLE SIZES

    公开(公告)号:US20240034864A1

    公开(公告)日:2024-02-01

    申请号:US18280353

    申请日:2022-03-04

    Inventor: Lothar Martin

    CPC classification number: C08L23/00 C08L2205/02 C08L2207/53 C08L2201/54

    Abstract: Disclosed are hollow polymer spheres prepared from one or more hydrophilic ethylenically unsaturated monomers containing acid functionality, one or more nonionic hydrophilic ethylenically unsaturated monomers, and one or more hydrophobic ethylenically unsaturated monomers. Disclosed is a process for preparing such hollow spheres. The hollow spheres exhibit controlled particle size, which can have larger particle sizes, narrow particle size distributions and high void volume percentages.

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    127.
    发明公开
    None 审中-公开

    公开(公告)号:US20230390180A1

    公开(公告)日:2023-12-07

    申请号:US18323774

    申请日:2023-05-25

    Applicant: CAPSUM

    Abstract: The present invention concerns a dispersion formed of a dispersed phase in the form of drops and a continuous phase, comprising a fatty phase and an aqueous phase non-miscible with each other at ambient temperature and atmospheric pressure, one of the phases among the fatty phase and the aqueous phase being the dispersed phase and the other phase among the fatty phase and aqueous phase being the continuous phase, wherein the drops comprise at least one core and at least one shell formed of at least one anionic polymer and at least one cationic polymer, the cationic polymer being a compound having the following formula (I):






    where:

    n is an integer of 1 to 5;
    X1 and X2, the same or different, are —O—, —CH2— or —NH—;
    R1, R2 and R3, the same or different, are each independently a divalent alkylene radical having 20 to 50 carbon atoms;
    R4 and R5, the same or different, are each independently H, OH or NH2, at least one of the groups R4 and R5 being NH2.

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