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    POLYURETHANE CHAIN EXTENDER, COMPOSITION FOR FORMING POLYURETHANE RESIN, POLYURETHANE RESIN, POLYURETHANE RESIN COMPOSITION, MOLDED BODY, AND ARTICLE
    4.
    发明公开
    POLYURETHANE CHAIN EXTENDER, COMPOSITION FOR FORMING POLYURETHANE RESIN, POLYURETHANE RESIN, POLYURETHANE RESIN COMPOSITION, MOLDED BODY, AND ARTICLE 审中-实审

    公开(公告)号：EP4414398A1

    公开(公告)日：2024-08-14

    申请号：EP22892708.3

    申请日：2022-11-04

    申请人： MITSUBISHI GAS CHEMICAL COMPANY, INC.

    发明人： OHNO, Yuma ,  AKAI, Yuka ,  HANAOKA, Takuma ,  IKEUCHI, Kousuke ,  KOUNO, Kazuki

    IPC分类号： C08G18/32

    CPC分类号： C08G18/32

    摘要： Provided are a polyurethane chain extender including an amine compound (X) represented by Formula (1) with a trans-isomer proportion in (X) of 50 mol% or more; a composition for forming a polyurethane-based resin including the polyurethane chain extender; a polyurethane-based resin formed by the composition for forming the polyurethane-based resin; a polyurethane-based resin obtained by reacting a polyisocyanate compound (A), a polyol compound (B) and the polyurethane chain extender; a polyurethane-based resin composition including the polyurethane-based resin; a molded body obtained by molding the polyurethane-based resin composition; and an article including the polyurethane-based resin composition or the molded body:

    where R1 to R12 each independently represent a hydrogen atom or a hydrocarbon group having 1 or more and 4 or less of carbon atoms, p and q each independently represent an integer of 0 or more and 4 or less, and at least one of p and q is 1 or more.

    NOVEL AMINO COMPOUND AND METHOD FOR PRODUCING SAME, AND EPOXY RESIN CURING AGENT, EPOXY REIN COMPOSITION AND EPOXY RESIN CURED PRODUCT USING SAME
    5.
    发明公开
    NOVEL AMINO COMPOUND AND METHOD FOR PRODUCING SAME, AND EPOXY RESIN CURING AGENT, EPOXY REIN COMPOSITION AND EPOXY RESIN CURED PRODUCT USING SAME 审中-实审

    公开(公告)号：EP4349823A1

    公开(公告)日：2024-04-10

    申请号：EP22815792.1

    申请日：2022-05-10

    申请人： MITSUBISHI GAS CHEMICAL COMPANY, INC.

    发明人： YOKOO YAMAZOE, Aoi ,  KANBARA, Yutaka ,  KOUNO, Kazuki ,  OHNO, Yuma

    IPC分类号： C07D319/06 ,  C08G59/50 ,  C07B61/00 ,  C08L63/00 ,  C07D493/10

    摘要： For providing a novel amino compound useful for an epoxy resin curing agent and a method for producing the same, the amino compound according to the present disclosure has a quaternary carbon at the β-position of an amino group and is represented by the following formula (1).

    wherein,
    A is any of;
    (α) a hydrocarbon group independently having one or more -O- bond bonded to the carbon at the γ-position of the amino group, and having 2 to 30 carbon atoms and optionally having a substituent (the same hereinafter),
    (β) a hydrocarbon group having one or more -O-bond bonded to the carbon at the γ-position of the amino group while bonding to any one of R 1 to R 4 , and having 2 to 30 carbon atoms, and
    (γ) a hydrocarbon group having one or more -O-bond bonded to the carbon at the γ-position of the amino group while bonding to R 1 or R 2 and R 3 or R 4 , and having 2 to 30 carbon atoms, wherein

    R 1 to R 4 are each independently a hydrocarbon group having 1 to 10 carbon atoms (provided that a hydrocarbon group bonded to A is excluded).

    EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, AND USE OF AMINE COMPOSITION
    6.
    发明公开
    EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, AND USE OF AMINE COMPOSITION 审中-公开

    公开(公告)号：EP4215561A1

    公开(公告)日：2023-07-26

    申请号：EP21869098.0

    申请日：2021-08-19

    申请人： MITSUBISHI GAS CHEMICAL COMPANY, INC.

    发明人： OHNO, Yuma ,  KOUNO, Kazuki ,  IKEUCHI, Kousuke ,  OTA, Emi ,  YOKOO, Aoi

    IPC分类号： C08G59/50

    摘要： Provided are an epoxy resin curing agent containing an amine composition or a modified product thereof, wherein the amine composition contains bis(aminomethyl)cyclohexane(A) and a compound(B) represented by the following formula (1), and wherein the content of the component (B) based on 100 parts by mass of the component (A) is from 1.5 to 20.0 parts by mass, an epoxy resin composition, and an epoxy resin curing agent for an amine composition. In the formula (1), R 1 is an alkyl group having 1 to 6 carbon atoms optionally having a hydroxy group, R 2 NHCH 2 -, where R 2 represents an alkyl group having 1 to 6 carbon atoms, or a group represented by the following formula (1A), and p is a number of 0 to 2. In the formula (1A), R 3 represents a hydrogen atom or NH 2 -.