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    • 7. 发明申请
    • NON-IONICALLY STABILIZED TRANSPARENT POWDER-COATING DISPERSION
    • 非离子稳定型粉末KLARLACK色散
    • WO9950359A2
    • 1999-10-07
    • PCT/EP9902204
    • 1999-03-31
    • BASF COATINGS AGSIERAKOWSKI CLAUDIAGROSSE BRINKHAUS KARL HEINZWEGNER EGONFREY THOMASNIEMANN JUERGENWOLTERING JOACHIM
    • SIERAKOWSKI CLAUDIAGROSSE-BRINKHAUS KARL-HEINZWEGNER EGONFREY THOMASNIEMANN JUERGENWOLTERING JOACHIM
    • C09D175/04C08L75/04C09D5/02C09D133/06C09D133/14C09D163/00C09D5/00
    • C09D163/00C08L75/04C09D5/02C09D133/068C08L2666/14
    • The invention relates to an aqueous transparent powder-coating dispersion consisting of a solid, powdery component A and an aqueous component B, where component A is a transparent powder coating containing a) at least one epoxide-containing binder containing between 25 and 45 weight %, preferably between 25 and 35 weight % glycidyl-containing monomers possibly containing vinylaromatic compounds, preferably styrene; b) at least one cross-linking agent, preferably straight-chain, aliphatic dicarboxylic acids and/or polyesters having a carboxy function; and c) possibly catalysts, adjuvants, typical additives for transparent powder-coatings such as degassing agents, flow-control agents, UV absorbers, free-radical scavengers, antioxidants. Component B is an aqueous dispersion containing a) at least one non-ionic thickener and b) possibly catalysts, additives, anti-foaming agents, wetting agents, antioxidants, UV absorbers, free-radical scavengers, biocides, small quantities of solvents, flow-control agents, neutralising agents, preferably amines and/or water-retention agents, and c) a dispersing agent in the form of a non-ionic polyurethane dispersion.
    • 本发明涉及包括固体粉状组分A和水性成分B,其中组分A是包括:a)至少一种为25的内容粘结剂至45重量%,优选含环氧化物的25的透明的粉末涂料的水性透明粉末涂料分散体 至35重量%的单体,任选与乙烯基芳族化合物,优选苯乙烯,b)至少一种交联剂,优选直链脂肪族二羧酸和/或羧基官能聚酯的含量,和含有缩水甘油基的c)如果需要,催化剂,辅助剂,粉末清漆典型添加剂,如脱气剂 ,流平剂,紫外线吸收剂,自由基清除剂,抗氧化剂和组分b是包含水性分散体)的至少一种非离子型增稠剂,和b)如果需要的话,催化剂,辅助剂,消泡剂,润湿剂,抗氧化剂,紫外线吸收剂,自由基清除剂,杀生物剂,小 溶剂,Verlaufsmit的量 电话,中和剂,优选的胺和/或水保持剂,和c)在非离子的聚氨酯分散体的形式的分散剂。