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    • 71. 发明公开
    • HERSTELLUNG VON PULVERFÖRMIGEN ÜBERZUGSMITTELN FÜR STABILE PROTEKTIVE ÜBERZÜGE FÜR PHARMAZEUTISCHE DOSIERUNGSFORMEN
    • 粉末涂料生产资料有关药品剂型稳定的保护涂层
    • EP2681264A1
    • 2014-01-08
    • EP12705868.3
    • 2012-02-27
    • BASF SE
    • KOLTER, KarlANGEL, MaximilianLINNER, Bernhard
    • C08J3/12A61K9/28
    • C08J3/122A61K9/2846C08J2333/12C08J2333/14
    • The invention relates to a method for producing powdery coating agents from aqueous polymer dispersions, containing i) as component A a polymer, obtained by radical polymerization, made of a) N,N-diethylaminoethyl methacrylate, and b) at least one radically polymerizable compound, selected among esters of a,ß-ethylenically unsaturated monocarboxylic and dicarboxylic acids containing C1-C8-alkanols, characterized in that the aqueous polymer dispersion is transferred into a powder by spray methods in the presence of a drying gas, wherein the input temperature of the drying gas in the spray device is at least 20ºC above the glass transition temperature and at least 20ºC above the minimum film formation temperature of the polymer, and the output temperature of the drying gas from the spray device is maintained at 40 to 85ºC.
    • 本发明涉及一种用于制造由wässrige聚合物分散体的粉末的涂布剂的方法,包含ⅰ)作为组分A的聚合物,通过自由基聚合而得到,制成的)N,N-二乙基氨基乙基甲基丙烯酸酯,和b)至少一种可自由基聚合的化合物 ,α-酯中选择,β-烯属不饱和一元羧酸和二羧酸的含C1-C8烷醇,在DASS特点死wässrige聚合物分散体转移到由在干燥气体的存在喷涂方法的粉末,worin的输入温度 在喷雾装置中的干燥气体是在至少20℃以上的玻璃化转变温度和聚合物的最低成膜温度至少20℃以上,并从喷雾装置中的干燥气体的输出温度保持在40至85℃