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    • 1. 发明公开
    • Metal coating resin and coated metal member
    • Harzmasse zum Beschichten eines Metallgegenstandes und beschichteter Metallgegenstand
    • EP0765895A3
    • 1998-11-11
    • EP96306817
    • 1996-09-19
    • KUREHA CHEMICAL IND CO LTD
    • NISHIHATA NAOMITSUOUCHI KIYOMITADA MASAHITOSATAKE YOSHIKATSU
    • C08G75/02H01B3/30
    • C08G75/0254C08G75/0231H01B3/30
    • Disclosed herein are a metal coating resin comprising a branched poly(arylene sulfide) resin obtained by polymerizing an alkali metal sulfide and a dihalo-aromatic compound in the presence of a trihalo-aromatic compound, wherein the poly(arylene sulfide) resin has a melt viscosity η
      200 of 50-3,000 Pa·s as measured at 310°C and a shear rate of 200/sec, and a ratio R (η
      200 /η
      1200 ) of the melt viscosity η
      200 to a melt viscosity η
      1200 as measured at 310°C and a shear rate of 1200/sec satisfies the following relationship (1):

      0.91 x log(η
      200 ) - 0.3 ≤ R ≤ 0.91 x log(η
      200 ) + 0.3
      a coated metal member obtained by coating a metal base with the resin, and a production process thereof. A coated metal member obtained by coating a metal base with a poly(arylene sulfide) resin, wherein the poly(arylene sulfide) resin has an elongational viscosity of at least 10,000 Pa·s as measured at 310°C and a shear rate of 400/sec, and a crystallization temperature upon heating of a coating layer formed of the poly(arylene sulfide) resin, which is measured by means of a differential scanning calorimeter, is lower by at least 6°C than that of an unorientated noncrystalline sheet of the poly(arylene sulfide) resin, and a production process thereof are also disclosed.
    • 本文公开了包含通过在三卤代芳族化合物的存在下使碱金属硫化物和二卤代芳族化合物聚合而获得的支化聚(亚芳基硫醚)树脂的金属涂层树脂,其中聚(亚芳基硫醚)树脂具有熔体 粘度等于200,在310℃和200 /秒的剪切速率下测量的50-3,000Pa.s的熔体粘度eta 200与熔体粘度等于1200的比例R(eta 200 / eta 1200) 在310℃和1200 /秒的剪切速率下满足以下关系式(1):< MATH>通过用树脂涂覆金属基底而获得的涂覆金属构件及其制造方法。 通过用聚(亚芳基硫醚)树脂涂覆金属基底而获得的涂覆金属构件,其中聚(亚芳基硫醚)树脂在310℃下测得的伸长粘度至少为10,000Pa.s,剪切速率为400 /秒,通过差示扫描量热计测定的由聚(亚芳基硫醚)树脂形成的涂层的加热结晶温度比未取向的非结晶性片材的结晶温度低至少6℃ 聚(亚芳基硫醚)树脂及其制备方法也被公开。