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    • 5. 发明公开
    • Composition for fluoresin powder coating material
    • ZusammensetzungfürFluorharz-Pulverlack
    • EP2045301A1
    • 2009-04-08
    • EP09000599.2
    • 2002-09-27
    • Asahi Glass Company, Limited
    • Asakawa, AkihikoYamauchi, MasaruMasuda, ShoUnoki, Masao
    • C09D127/12C09D5/03
    • C09D127/12C08L27/12C08L2205/02C08L2666/04
    • According to the invention, there is provided a composition for fluororesin powder coating material, which comprises the following particles (1) and the following particles (2), wherein the particles (1) and the particles (2) are different in their curing temperatures by at least 8°C, and the particles (1) and the particles (2) are substantially independently contained:
      The particles (1) are particles for fluororesin powder coating material comprising a fluororesin (A) having hydroxyl groups and a curing agent (α) having a functional group reactive to the hydroxyl groups; and the particles (2) are particles for fluororesin powder coating material comprising a fluororesin (A) having hydroxyl groups and a curing agent (α) having a functional group reactive to the hydroxyl groups, wherein the combination of the fluororesin (A) and the curing agent (α) is different from the combination in the particles (1); provided that here the curing temperature is meant for a temperature at which the heat generation peak based on the reaction between the functional groups of the curing agent (α) and the hydroxyl groups of the fluororesin (A) starts to rise by the differential scanning calorimetry (DSC) of the particles for fluororesin powder coating material.
    • 根据本发明,提供了一种用于氟树脂粉末涂料的组合物,其包含以下颗粒(1)和以下颗粒(2),其中颗粒(1)和颗粒(2)的固化温度不同 至少8℃,颗粒(1)和颗粒(2)基本上独立包含:颗粒(1)是包含具有羟基的氟树脂(A)和固化剂的氟树脂粉末涂料的颗粒( ±)具有与羟基反应的官能团; 粒子(2)是包含具有羟基的氟树脂(A)和具有与羟基反应的官能团的固化剂(±)的氟树脂粉末涂料的粒子,其中,氟树脂(A)和 固化剂(±)与颗粒(1)中的组合不同; 只要这里的固化温度是指通过差示扫描量热法开始基于固化剂(±)的官能团与氟树脂(A)的羟基之间的反应的发热峰开始上升的温度 (DSC)用于氟树脂粉末涂料的颗粒。