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    • 100. 发明授权
    • Method for powder-coating
    • 粉末涂布方法
    • US06436485B1
    • 2002-08-20
    • US09646324
    • 2000-09-15
    • Martin Sedlmeyr
    • Martin Sedlmeyr
    • C08F246
    • B05D3/0263B05D2401/32
    • The invention relates to a method of applying a powder coating to a substrate (5), in particular a temperature-sensitive substrate such as wood, wood-fiber material, plastic, rubber, cloth, paper or cardboard, wherein a thermoreactive powder is applied as a base layer (6) to the uncoated surface of the substrate (5), and wherein by means of infrared radiation with at least some components in the near and/or short-wave infrared region the powder is warmed throughout to the cross-linking temperature and cured, or is warmed throughout to the gelling temperature and in a subsequent processing step cross-linking is completed and the coating is cured. To generate the infrared radiation in particular halogen bulbs (7) are used in combination with a reflector (8) to reflect the emitted radiation towards the substrate. The halogen bulbs (7) are operated in such a way that the emitted radiation has a flux-density maximum in the near infrared.
    • 本发明涉及一种将粉末涂料施用于基材(5),特别是诸如木材,木纤维材料,塑料,橡胶,布,纸或纸板的温度敏感性基材的方法,其中施加热反应性粉末 作为到基底(5)的未涂覆表面的基底层(6),并且其中通过在近和/或短波红外区域中具有至少一些成分的红外辐射,粉末被整个加热到横截面 连接温度并固化,或在整个胶凝温度下加热,并且在随后的加工步骤中完成交联并且涂层固化。 为了产生特别是卤素灯泡(7)的红外辐射,与反射器(8)组合使用以将发射的辐射反射到衬底。 卤素灯泡(7)以这样的方式操作,使得发射的辐射在近红外线中具有通量密度最大值。