PAINT COMPOSITIONS COMPRISING ZIRCONIUM DIOXIDE PIGMENT PARTICLES

    公开(公告)号:WO2021053145A1

    公开(公告)日:2021-03-25

    申请号:PCT/EP2020/076110

    申请日:2020-09-18

    Applicant: IMERTECH SAS

    Abstract: The present invention relates to a paint composition comprising pigment particles, wherein the pigment particles have a median particle size, d50, of from about 0.1 µm to about 5 µm as measured by sedimentation using a Sedigraph and comprise: i) at least about 70 weight percent of zirconium dioxide; ii) up to 15 weight percent of silica; iii) from about 0.1 to about 15 weight percent of one or more metal oxides selected from magnesium oxide, calcium oxide, yttrium oxide, scandium oxide, hafnium oxide, ytterbium oxide, aluminium oxide and cerium oxide; and iv) at least about 97 weight percent of a combination of i) ii) and iii), wherein the zirconium dioxide weight percent of i) is an equivalent zirconium dioxide weight percent as determined by XRF; the weight percent of the silica of ii) is an equivalent silica weight percentage as determined by XRF; the one or more metal oxide weight percent of iii) is an equivalent one or more metal oxide weight percent as determined by XRF; and wherein the weight percentages of i), ii), iii) and iv) are each based on the total weight of the pigment particles. The present invention is also relates to the use of the paint compositions herein and methods of preparation thereof.

    EMULSIONS DE TYPE PICKERING
    14.
    发明申请

    公开(公告)号:WO2020002343A1

    公开(公告)日:2020-01-02

    申请号:PCT/EP2019/066854

    申请日:2019-06-25

    Applicant: IMERTECH SAS

    Inventor: PAGIS, Laure

    Abstract: La présente invention concerne des compositions, notamment cosmétiques ou dermatologiques, de préférence pour application topique, de type « Pickering ». L'invention concerne également l'utilisation d'un kaolin calciné comme agent stabilisateur d'une émulsion.

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