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    1.
    发明专利
    未知

    公开(公告)号：DE69312549T2

    公开(公告)日：1998-02-05

    申请号：DE69312549

    申请日：1993-04-07

    Applicant: MITSUI TOATSU CHEMICALS

    Inventor： YAMASHITA WATARU ,  SAKATA YOSHIHIRO ,  KATAOKA TOSHIYUKI ,  OKAWA YUICHI ,  OIKAWA HIDEAKI ,  ASANUMA TADASHI ,  MATSUO MITSUNORI ,  ISHIDA TSUTOMU ,  YAMAGUCHI KEIZABURO ,  YAMAGUCHI AKIHIRO

    IPC: C07C217/90 ,  C08G73/10 ,  H05K1/00 ,  H05K1/03

    Abstract: This invention relates to fluorine containing polyimide, a novel aromatic diamine which has a perfluoroalkyl radical and can be used as a raw material monomer of the polyimide, and a process for preparing the same. The polyimide comprise a requisite structural unit having one or more recurring structural units of the formula: such as the structural units of the formula Further, the present invention relates to a novel aromatic diamine which has a perfluoro radical and can be used as a raw material monomer of the polyimide, and a process for preparing the same. The present invention can provide polyimide which has an extremely low dielectric constant and is colorless, transparent and excellent in processability and heat resistance, and also provides an aromatic diamine which is useful as a raw material monomer of the polyimide or a raw material of other various engineering plastics.

    2.
    发明专利
    未知

    公开(公告)号：DE69406606T2

    公开(公告)日：1998-04-09

    申请号：DE69406606

    申请日：1994-07-21

    Applicant: MITSUI TOATSU CHEMICALS

    Inventor： TAMAI SHOJI ,  OKAWA YUICHI ,  YAMASHITA WATARU ,  SAKATA YOSHIHIRO ,  OIKAWA HIDEAKI ,  YAMAGUCHI KEIZABURO ,  ASANUMA TADASHI ,  YAMAGUCHI AKIHIRO ,  MATSUO MITSUNORI

    IPC: C08L71/10 ,  C08G73/10 ,  C08L71/08 ,  C08L79/04 ,  C08L79/08

    Abstract: A polyimide resin composition comprises 1/ &cir& 99.9 SIMILAR 50 parts by weight of polyimide having recurring structural units of the formula and 2/ &cir& 0.1 SIMILAR 50 parts by weight of a polyimide having improved melt flowability and prepared by using 1,3-bis(3-aminophenoxy)benzene or 6,6'-bis(3-aminophenoxy)-3,3,3',3'-tetramethyl-1,1'-spirobiindane as essential diamine component, or polyether pyridine having recurring structural units of the formula: Further, a polyimide based resin composition comprising the polyimide resin composition or a polyimide copolymer obtained by using the above diamines and a fibrous reinforcement are disclosed. These composition have remarkably good processability, excellent heat stability and repeated fatigue characteristics.

    3.
    发明专利
    未知

    公开(公告)号：DE69406606D1

    公开(公告)日：1997-12-11

    申请号：DE69406606

    申请日：1994-07-21

    Applicant: MITSUI TOATSU CHEMICALS

    Inventor： TAMAI SHOJI ,  OKAWA YUICHI ,  YAMASHITA WATARU ,  SAKATA YOSHIHIRO ,  OIKAWA HIDEAKI ,  YAMAGUCHI KEIZABURO ,  ASANUMA TADASHI ,  YAMAGUCHI AKIHIRO ,  MATSUO MITSUNORI

    IPC: C08L71/10 ,  C08G73/10 ,  C08L71/08 ,  C08L79/04 ,  C08L79/08

    Abstract: A polyimide resin composition comprises 1/ &cir& 99.9 SIMILAR 50 parts by weight of polyimide having recurring structural units of the formula and 2/ &cir& 0.1 SIMILAR 50 parts by weight of a polyimide having improved melt flowability and prepared by using 1,3-bis(3-aminophenoxy)benzene or 6,6'-bis(3-aminophenoxy)-3,3,3',3'-tetramethyl-1,1'-spirobiindane as essential diamine component, or polyether pyridine having recurring structural units of the formula: Further, a polyimide based resin composition comprising the polyimide resin composition or a polyimide copolymer obtained by using the above diamines and a fibrous reinforcement are disclosed. These composition have remarkably good processability, excellent heat stability and repeated fatigue characteristics.

    6.
    发明专利
    未知

    公开(公告)号：DE69312549D1

    公开(公告)日：1997-09-04

    申请号：DE69312549

    申请日：1993-04-07

    Applicant: MITSUI TOATSU CHEMICALS

    Inventor： YAMASHITA WATARU ,  SAKATA YOSHIHIRO ,  KATAOKA TOSHIYUKI ,  OKAWA YUICHI ,  OIKAWA HIDEAKI ,  ASANUMA TADASHI ,  MATSUO MITSUNORI ,  ISHIDA TSUTOMU ,  YAMAGUCHI KEIZABURO ,  YAMAGUCHI AKIHIRO

    IPC: C07C217/90 ,  C08G73/10 ,  H05K1/00 ,  H05K1/03

    Abstract: This invention relates to fluorine containing polyimide, a novel aromatic diamine which has a perfluoroalkyl radical and can be used as a raw material monomer of the polyimide, and a process for preparing the same. The polyimide comprise a requisite structural unit having one or more recurring structural units of the formula: such as the structural units of the formula Further, the present invention relates to a novel aromatic diamine which has a perfluoro radical and can be used as a raw material monomer of the polyimide, and a process for preparing the same. The present invention can provide polyimide which has an extremely low dielectric constant and is colorless, transparent and excellent in processability and heat resistance, and also provides an aromatic diamine which is useful as a raw material monomer of the polyimide or a raw material of other various engineering plastics.

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