生产具有改进的性质的模塑料的方法

文档序号:572964 发布日期:2021-05-18 浏览:26次 >En<

阅读说明:本技术 生产具有改进的性质的模塑料的方法 (Method for producing moulding compounds with improved properties ) 是由 M·埃尔克伦茨 R·鲁道夫 H-J·蒂姆 于 2019-08-15 设计创作,主要内容包括:本发明的主题是生产具有改进的性质的模塑料的方法。本发明的主题特别是含有聚碳酸酯和增强填料的模塑料的生产。根据本发明,所述模塑料可通过使用具有相对于彼此环形布置的螺杆的多螺杆挤出机配混聚碳酸酯和增强填料获得。所述增强填料在此优选选自二氧化钛(TiO-2)、滑石(Mg-3Si-4O-(10)(OH)-2)、白云石(CaMg[CO-3]-2)、高岭石(Al-4[(OH)-8|Si-4O-(10)])和硅灰石(Ca-3[Si-3O-9])这些成员中的一个或多个成员,优选选自二氧化钛(TiO-2)和滑石(Mg-3Si-4O-(10)(OH)-2)这些成员中的一个或多个成员。根据本发明,增强填料的浓度在此为3至50重量%,在每种情况下基于模塑料的总质量计。(The subject of the invention is a process for producing molding materials having improved properties. The subject of the invention is in particular the production of moulding compositions comprising polycarbonate and reinforcing fillers. According to the invention, the moulding compound can be obtained by compounding the polycarbonate and the reinforcing filler using a multi-screw extruder having screws arranged annularly with respect to one another. The reinforcing filler is preferably selected from titanium dioxide (TiO) 2 ) Talc (Mg) 3 Si 4 O 10 (OH) 2 ) Dolomite (CaMg [ CO ] 3 ] 2 ) Kaolinite (Al) 4 [(OH) 8 |Si 4 O 10 ]) And wollastonite (Ca) 3 [Si 3 O 9 ]) One or more of these members, preferably selected from titanium dioxide (TiO) 2 ) And talc (Mg) 3 Si 4 O 10 (OH) 2 ) One or more of these members. According to the invention, the concentration of reinforcing filler is here from 3 to 50% by weight, based in each case on the total mass of the molding composition.)

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