EVA_g_MAH增韧阻燃ABS的研究.pdf

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塑料工业第 38卷第 1期
· 70· CH INA PLASTICS INDUSTRY 2010年 1月
塑料助剂 EVA g M AH增韧阻燃 ABS的研究
与配混
李秀华, 高炜斌
(常州工程职业技术学院, 江苏常州 213164)
1 1
摘要: 在 ABS中加入乙烯/醋酸乙烯共聚物接枝马来酸酐( EVA gMAH) 进行增韧改性, 探讨了以银纹化增韧的
弹性体的增韧机理以及 EVA gMAH与 ABS分散均匀性等问题。结果表明, 添加 10份 EVA gMAH增韧的阻燃 ABS冲
击强度增幅达 35% , 热塑性弹性体增韧阻燃 ABS主要以银纹化增韧机理进行增韧, 但随着 EVA gMAH用量的增加,
其机械强度损失也越来越大。
关键词: 乙烯/醋酸乙烯共聚物接枝马来酸酐; 阻燃 ABS; 增韧
中图分类号: TQ325 2; TQ325 5 文献标识码: B 文章编号: 1005 - 5770 (2010) 01 - 0070 - 03
Study on EVA g M AH Toughen ing Flam e retardan t ABS
L I Xiu hua, GAO W ei bing
(Changzhou institute of Engineering Technology, Changzhou 213164, China)
Abstract: In the flame retardant ABS by adding vinyl acetatemaleic grafted anhydride edcopolymer
( EVA gMAH) through toughening modification, studied the toughing mechanism of the crazing toughening
elastomer and dispersion uniform ity of EVA g MAH and ABS. results showed that adding 10 phr EVA g MAH
toughing, the impact strength of flame retardant ABS was up by 35% , thermop lastic elastomer flame retard
ant ABS toughened mainly by crazing toughening mechanism , but with the amount of EVA gMAH increased,
its mechanical strength loss also growed.
Keywords: EVA gMAH; Flame retardant ABS; Toughening
ABS具有耐冲击、耐热、表面硬度高、尺寸稳 VA基团, 极性增大, 结晶度降低, 故具有较好的柔
定、耐化学药品及电性能良好、