首页> 外国专利> A process for the airless coating of a vertical surface with a non-Newtonian viscous watery coat composition, and an apparatus for the airless coating of a surface coating of a non-walled coating

A process for the airless coating of a vertical surface with a non-Newtonian viscous watery coat composition, and an apparatus for the airless coating of a surface coating of a non-walled coating

机译:用非牛顿粘性水性涂料组合物对垂直表面进行无气涂覆的方法,以及对无壁涂料的表面涂层进行无气涂覆的设备

摘要

process and apparatus for airless spray coating of a surface with a non-Newtonian aqueous viscous architectural coating composition, and modification in an apparatus process for airless spray coating of a surface with a non-Newtonic aqueous viscous architectural coating composition where the composition contains a preferably associative thickener and is subjected to a pressure of 2.5 to 5 bar preferably generated by a manually operated compressor and then preferably sprinkled from a tear-shaped outlet port (52) in a nozzle (50) to produce an outlet stream (31) of the composition having contours (35) that diverge at least until a front of at least 30 mm in width is formed. The composition preferably has a brookfield viscosity of at least 0.5 parts, with a solids content of 7% by weight. apparatus also for carrying out the process, which is comprised of a container containing the coating composition together with a nozzle having an outlet port, a compressor and a kind pressure release valve in the pressure range 2.5 to 5 bar and preferably an auxiliary orifice upstream of the outlet orifice. a process and apparatus that allows the viscous compositions to be applied rapidly using low pressures easily generated by a hand-held compressor.
机译:用非牛顿水性粘性建筑涂料组合物对表面进行无气喷涂的方法和设备,以及用非牛顿水性粘性建筑涂料组合物对表面进行无气喷涂的方法和设备中的改性,其中组合物优选包含缔合增稠剂,其压力为2.5至5 bar,最好由手动操作的压缩机产生,然后再从喷嘴(50)的泪状出口(52)喷洒,以产生增稠剂的出口物流(31)。形成具有轮廓(35)的组合物,该轮廓至少发散直到宽度至少为30mm的前部。该组合物的布鲁克菲尔德粘度优选为至少0.5份,固体含量为7重量%。还用于进行该方法的设备,该设备包括装有涂料组合物的容器以及具有出口的喷嘴,压缩机和压力范围为2.5至5 bar的压力释放阀,最好是在上游有一个辅助孔。出口孔。该方法和设备允许使用手持式压缩机容易产生的低压快速施加粘性组合物。

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