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    ANTIFOGGING AGENT COMPOSITION, AND ANTIFOGGING ARTICLE
    17.
    发明公开
    ANTIFOGGING AGENT COMPOSITION, AND ANTIFOGGING ARTICLE 审中-实审

    公开(公告)号：EP4410903A1

    公开(公告)日：2024-08-07

    申请号：EP22876323.1

    申请日：2022-09-28

    申请人： NOF Corporation

    发明人： TAKAHASHI,Yuki ,  NITO,Yoshinori ,  KANO,Takamitsu

    IPC分类号： C09D5/00 ,  C09D133/14 ,  C09D133/26 ,  C09D7/20 ,  C09D7/61 ,  C09K3/18

    CPC分类号： C09D7/61 ,  C09D133/14 ,  C09D133/26 ,  C09D7/20 ,  C09K3/18 ,  C09D5/00

    摘要： An antifogging agent composition which contains a copolymer (A), colloidal silica (B) and a solvent (C), wherein: (A) is a (meth)acrylate copolymer obtained from a monomer mixture which contains monomers (a-1) to (a-3); (C) contains water (C-1), a C1-4 monovalent alcohol-based solvent (C-2), a solvent (C-3) which has one or more functional groups per molecule which are selected from the group consisting of a ketone group, an ester group, two or more ether groups, a thioketone group and an amide group, and has a boiling point of 100-200°C, inclusive, and a glycol ether-based solvent (C-4) which is represented by general formula (5) (R10-O-R11-OH); and the combined total of (C-1) to (C-4) relative to 100 parts by mass of the combined total of (A) and (B), and the mass ratios of (C-3) and (C-4) relative thereto, are specific amounts. Said antifogging agent composition makes it possible to form an antifogging coating which exhibits excellent transparency, water resistance, initial adhesiveness, antifogging properties, and repeated antifogging properties, is unlikely to have water droplet marks left thereon, and also suppresses the formation of liquid droplets when applying the coating, is adhesive after pre-drying when applying a thin film of the coating, and suppresses the formation of cracks when applying a thick film thereof.

    COATING MATERIAL FOR IMPARTING MINERAL OIL RESISTANCE AND MULTILAYER BODY
    20.
    发明公开
    COATING MATERIAL FOR IMPARTING MINERAL OIL RESISTANCE AND MULTILAYER BODY 审中-实审

    公开(公告)号：EP4394003A1

    公开(公告)日：2024-07-03

    申请号：EP22861185.1

    申请日：2022-08-16

    申请人： Mitsui Chemicals, Inc.

    发明人： KAGAWA, Yasuyuki ,  SEO, Akiko

    IPC分类号： C09D5/00 ,  C09D157/12 ,  D21H19/20

    CPC分类号： C09D157/12 ,  D21H19/20 ,  C09D5/00

    摘要： A mineral-oil-resistance-imparting coating material includes a copolymer of a monomer composition and an aqueous solvent in which the copolymer is dissolved and/or dispersed. The monomer composition contains a nitrile-group-containing unsaturated ethylenic monomer and a carboxy-group-containing unsaturated ethylenic monomer. To the total amount of the monomer composition, the content ratio of the nitrile-group-containing unsaturated ethylenic monomer is 21% by mass or more and 70% by mass or less. To the total amount of the monomer composition, the content ratio of the carboxy-group-containing unsaturated ethylenic monomer is 3% by mass or more and 10% by mass or less.