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    • 5. 发明公开
    • Thermosetting polyester resin and powder coating resinous composition containing the same
    • 涤纶涤纶涤纶涤纶涤纶涤纶纱
    • EP0312331A2
    • 1989-04-19
    • EP88309548.1
    • 1988-10-12
    • NIPPON PAINT CO., LTD.
    • Tanabe, HisakiTakagawa, RyozoEguchi, Yoshio
    • C08G63/18C08G63/66C09D167/02
    • C08G63/672C08G63/185C09D167/02
    • The invention concerns a thermosetting polyester resin capable of forming an anisotropic molten phase comprising a repeating unit of the formula: A-X-B alone, or a combination of the repeating unit of the formula: A-X-B and the repeating unit of the formula: R, adjoining two repeating units being connected each other through an ester bond, in which A represents a mesogenic group defined in the specification, B is a spacer group defined in the specification, X is an ester bond, and R represents bivalent to hexavalent aliphatic, aromatic or alicyclic hydrocarbon residue, the end bondings of the connected repeating units being occupied by OH, COOH or their reactive derivatives and the sum of resinous acid value and OH value being 10 to 200.
      The invention also provides a powder coating resinous composition containing the abovesaid resin.
    • 本发明涉及能够形成各向异性熔融相的热固性聚酯树脂,其包含下式的重复单元:单独的AXB,或下式的重复单元:AXB和式R的重复单元的组合:邻接两个重复的 单元通过酯键彼此连接,其中A表示说明书中定义的介晶基团,B是说明书中定义的间隔基,X是酯键,R表示二价至六价脂族,芳族或脂环族烃 残留物,所连接的重复单元的末端键合被OH,COOH或它们的反应性衍生物占据,树脂酸值和OH值之和为10〜200。本发明还提供含有上述树脂的粉末涂料树脂组合物。