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    OIL-RESISTANT AGENT
    3.
    发明公开
    OIL-RESISTANT AGENT 审中-公开

    公开(公告)号：US20240141582A1

    公开(公告)日：2024-05-02

    申请号：US18539559

    申请日：2023-12-14

    Applicant: DAIKIN INDUSTRIES, LTD.

    Inventor： Akane MATSUMOTO ,  Ryo AKUTA ,  Yuko SHIOTANI ,  Mayumi IIDA ,  Marina AIHARA ,  Yukinori TOGO ,  Tatsunori SAKAMAKI ,  Masahiro HIGASHI ,  Yosuke KISHIKAWA

    IPC: D06M13/352 ,  B65D85/00 ,  D06M13/402 ,  D21H21/14

    CPC classification number: D06M13/352 ,  B65D85/70 ,  D06M13/402 ,  D21H21/14

    Abstract: An oil-resistant agent containing a modified natural product which is a bio-based compound having at least one carboxyl group and in which a hydroxyl group of a carboxyl group is substituted with an R group, or a carboxyl group is substituted with an Ra group.



    R group: —X—R1 or —X-D-X′—R1.
    Ra group:








    wherein X is a direct bond, —O—, —NR11—, or —S—, and R1 is a hydrocarbon group having 1-40 carbon atoms, or a polysiloxane, D is an alkylene group having 1-10 carbon atoms, X′ is —C(═O)—O—, —O—(═O)—, —C(═O)—NR12—, or —NR12—C(═O)— (where, R11 and R12 are each hydrogen or an alkyl group having 1-40 carbon atoms). Also disclosed is a textile product, an oil-resistant paper, a food packaging material or a food container each including the oil-resistant agent, as well as a method of treating paper with the oil-resistant agent.

    ORGANIC FINE PARTICLE
    5.
    发明申请
    ORGANIC FINE PARTICLE 有权

    公开(公告)号：US20230122463A1

    公开(公告)日：2023-04-20

    申请号：US18084025

    申请日：2022-12-19

    Applicant: DAIKIN INDUSTRIES, LTD. ,  NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY

    Inventor： Yoshito TANAKA ,  Mayumi IIDA ,  Yuko SHIOTANI ,  Marina AIHARA ,  Masahiro HIGASHI ,  Hideto MINAMI

    IPC: C08L51/06 ,  C09D151/06

    Abstract: An organic fine particle comprising a core polymer and a shell polymer. The core polymer has a Tg or a melting point of 15° C. or more, the core polymer has a water contact angle of 100° or more, all monofunctional monomers constituting the core polymer are a hydrophobic core monomer of which homopolymer has a water contact angle of 100° or more, the shell polymer has a Tg or a melting point lower than Tg or the melting point of the core polymer, the shell polymer has a water contact angle of less than 100°, and all monofunctional monomers constituting the shell polymer are a water-insoluble shell monomer of which homopolymer is water-insoluble. Also disclosed is a surface coating structure including the organic fine particle and a water-repellant composition including a dispersion of the organic fine particle.

    METHOD FOR PRODUCING FLUOROPOLYMER
    6.
    发明申请
    METHOD FOR PRODUCING FLUOROPOLYMER 有权

    公开(公告)号：US20220282007A1

    公开(公告)日：2022-09-08

    申请号：US17747547

    申请日：2022-05-18

    Applicant: DAIKIN INDUSTRIES, LTD.

    Inventor： Taku YAMANAKA ,  Masahiro HIGASHI ,  Taketo KATO ,  Kenji ICHIKAWA ,  Yohei FUJIMOTO ,  Masaki IRIE ,  Soushi TSUCHIYA ,  Souta YUASA

    IPC: C08F14/26

    Abstract: A method for producing a fluoropolymer, which includes: polymerizing a monomer (I) represented by the general formula (I) below in an aqueous medium substantially in the absence of a fluorine-containing surfactant (except for the monomer (I) represented by the general formula (I)) to obtain a crude composition containing a polymer of the monomer (I); removing a dimer and a trimer of the monomer (I) contained in the crude composition from the crude composition to obtain a polymer (I) in which the content of the dimer and trimer of the monomer (I) is 1.0% by mass or less based on the polymer (I); and polymerizing a fluoromonomer in an aqueous medium in the presence of the polymer (I) to obtain a fluoropolymer: CX1X3═CX2R(—CZ1Z2-A0)m  (I) wherein X1 and X3, X2, A0, R, Z1 and Z2 are as defined herein.

    BRANCHED FLUORINE-CONTAINING COMPOUND
    7.
    发明申请
    BRANCHED FLUORINE-CONTAINING COMPOUND 有权

    公开(公告)号：US20210355077A1

    公开(公告)日：2021-11-18

    申请号：US17387004

    申请日：2021-07-28

    Applicant: DAIKIN INDUSTRIES, LTD.

    Inventor： Masahiro HIGASHI ,  Moe HOSOKAWA ,  Akiyoshi YAMAUCHI ,  Sumi ISHIHARA ,  Yosuke KISHIKAWA

    IPC: C07C235/12 ,  C07C55/02 ,  C07C65/21 ,  C07C233/47

    Abstract: A novel branched fluorine-containing compound represented by formula (1): wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; RY, in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents -ArSO3M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR4, or a metal salt; and R represents hydrogen or a C1-4 organic group.

    METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUND
    10.
    发明公开
    METHOD FOR PRODUCING FLUORINATED ORGANIC COMPOUND 审中-公开

    公开(公告)号：US20230322649A1

    公开(公告)日：2023-10-12

    申请号：US18210750

    申请日：2023-06-16

    Applicant: DAIKIN INDUSTRIES, LTD. ,  SAGA UNIVERSITY

    Inventor： Masahiro HIGASHI ,  Yosuke KISHIKAWA ,  Tsugio KITAMURA ,  Juzo OYAMADA

    IPC: C07C17/20 ,  C07C17/087 ,  C07C21/18

    CPC classification number: C07C17/206 ,  C07C17/087 ,  C07C21/18

    Abstract: The present disclosure relates to a method for producing a fluorinated organic compound comprises reacting a compound represented by formula (1):




    (wherein R1 and R2 are each independently a hydrogen atom, a halogen atom, or an organic group, or R1 and R2 optionally form a ring together with the two adjacent carbon atoms; n is 1 or 2; and wherein two R1s are optionally the same or different, two R2s are optionally the same or different, or two R′s or two R2s optionally form a ring together with their adjacent carbon atom), with (A) at least one fluorine source selected from the group consisting of hydrogen fluoride, hydrogen fluoride salts, and fluoride salts, and (B) a halogen source other than fluorine represented by the formula: R3(OX)m (wherein R3 is a hydrogen atom, a cation, or an organic group, X is a halogen atom other than a fluorine atom, and m is an integer corresponding to the valence of R3), to add fluorine and a halogen other than fluorine to the double bond or triple bond.

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