高流动耐热阻燃PC/ABS合金的研制  

Preparation Study of High Flow and Flame-retardant PC/ABS Alloy

作　　者：苑娜娟[1] Yuan Najuan(Research Institute of SINOPEC Tianjin Branch,Tianjin 300271,China)

机构地区：[1]中国石油化工股份有限公司天津分公司研究院,天津300271

出　　处：《广东化工》2023年第8期38-40,共3页Guangdong Chemical Industry

摘　　要：采用熔融共混的方式,使用双螺杆挤出机制备PC/ABS合金材料,筛选合适的ABS基体树脂,并考察固体磷系阻燃剂的用量、协效阻燃剂用量、增韧剂用量对合金材料的加工性能、力学性能和阻燃性能的影响。结果表明,选择本体法ABS树脂,与PC树脂熔融共混,添加阻燃剂12%,协效阻燃剂3%,增韧剂5%,相容剂1%,抗滴落剂0.5%,抗氧剂0.2%,可以研制出阻燃等级达到UL94V-0(1.6 mm),熔体质量流动速率(MFR)为37.2 g/10 min,热变形温度98.2℃,冲击强度556 J/m的合金材料,可以满足笔记本电脑外壳材料的试用要求。PC/ABS alloy material was prepared by melt blending and twin-screw extrusion mechanism.Suitable ABS resin was screened,and the effects of the amount of solid phosphorus flame retardant,cooperative flame retardant and toughening agent on the machining,mechanical and flame retardant properties of the alloy material were investigated.The results show adding 12%flame retardant,3%synergic flame retardant,5%plasticizer,1%compatiber,0.5%anti-dripping agent and 0.2%antioxidant,the properties of the PC/ABS alloy can be achieved that the flame retardant grade of UL94(1.6 mm)is V-0,melt mass flow rate(MFR)is 37.2 g/10 min,thermal deformation temperature is 98.2℃,The impact strength is 556 J/m.It can meet the trial requirements of laptop shell materials.

关 键 词：PC/ABS 合金 阻燃 耐热 高流动 

分 类 号：TQ317[化学工程—高聚物工业]