发明名称 UV-PROTECTED POLYCARBONATE MOLDING MATERIALS EQUIPPED SO AS TO BE FLAME-RETARDANT AND HAVING A LOW MOLECULAR WEIGHT DECREASE
摘要 The present invention relates to flameproofed, UV resistant polycarbonate moulding compositions with good melt stability and a high proportion of free, reactive UV absorbers, wherein the polycarbonate compositions comprise A) at least one polycarbonate with an average molecular weight M w of 18,000 to 40,000, B) at least one alkali or alkaline earth salt of an organic flame retardant consisting of diphenylsulfone, alkali or alkaline earth diphenylsulfone sulfonate and alkali or alkaline earth diphenylsulfone disulfonate, and C) one or more reactive UV absorbers, and wherein B) comprises diphenylsulfone in a proportion of 1.10 wt. % to 2.50 wt. %, based on the total mass of component B).
申请公布号 US2013221294(A1) 申请公布日期 2013.08.29
申请号 US201113883331 申请日期 2011.11.03
申请人 KRAUTER BERIT;WAGNER MICHAEL;BAYER INTELLECTUAL PROPERTY GMBH 发明人 KRAUTER BERIT;WAGNER MICHAEL
分类号 C09K21/06 主分类号 C09K21/06
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