发明名称 |
POWDER COATING EXTRUSION PROCESS USING LIQUID |
摘要 |
A process for the manufacture of a powder coating comprising the steps of: Preparing a powder coating premix comprising a resin and optionally a crosslinker therefor; Feeding the premix through a melt extruder; Cooling the extruded material; and Comminuting it to fine particles, wherein said process is characterized in that between 1 and 25 wt. % (based on the weight of said premix) of a process liquid is added to the melt extruder, wherein said process liquid is immiscible with at least said resin of the powder coating premix and wherein said process liquid evaporates when the premix leaves the extruder. |
申请公布号 |
WO2009034112(A3) |
申请公布日期 |
2009.10.22 |
申请号 |
WO2008EP62012 |
申请日期 |
2008.09.11 |
申请人 |
AKZO NOBEL COATINGS INTERNATIONAL B.V.;MORGAN, ANDREW ROBERT;WILBURN, STEPHEN RAYMOND;CLARK, EDWARD |
发明人 |
MORGAN, ANDREW ROBERT;WILBURN, STEPHEN RAYMOND;CLARK, EDWARD |
分类号 |
C08J3/12;B29C47/10;C08J3/18;C08J3/20;C09D5/03 |
主分类号 |
C08J3/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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