EVAC/ADP/MPP复合材料的抗老化性能  

Anti-Aging Properties of EVAC/ADP/MPP Composite

作　　者：潘玉琴[1] 刘媛[2] 孔霞[2] Pan Yuqin;Liu Yuan;Kong Xia(School of Materials Science and Engineering, Changzhou Vocational Institute of Engineering, Changzhou 213164,China;School of Chemical and Materials Engineering, Changzhou Vocational Institute of Engineering, Changzhou 213164,China)

机构地区：[1]常州工程职业技术学院材料科学与工程学院,江苏常州213164 [2]常州工程职业技术学院化学与材料工程学院,江苏常州213164

出　　处：《工程塑料应用》2017年第2期99-102,115,共5页Engineering Plastics Application

基　　金：江苏高校品牌专业建设工程资助项目(PPZY2015B178)

摘　　要：在乙烯–乙酸乙烯共聚物(EVAC)/二乙基次膦酸铝(ADP)/三聚氰胺聚磷酸盐(MPP)复合材料中加入紫外线吸收剂UV–531和抗氧剂1010,并对其进行老化性能研究,主要研究了"双85"湿热老化以及紫外老化对其力学性能以及热稳定性的影响。研究结果表明,经过"双85"湿热老化后,EVAC/ADP/MPP复合材料的拉伸强度和断裂伸长率都呈现出先上升后下降的趋势。经过紫外老化试验的EVAC/ADP/MPP复合材料的拉伸强度和断裂伸长率却都呈现出不断下降的趋势。通过红外光谱研究发现,EVAC/ADP/MPP在"双85"湿热老化试验时老化降解在乙烯和乙酸乙烯链段同时进行,而在紫外老化试验中老化降解主要发生在乙烯链段;热失重以及差示扫描量热分析发现,经过长时间的湿热以及紫外老化试验之后EVAC/ADP/MPP复合材料的热稳定性变差、残炭量变少。The anti-aging properties of ethylene vinyl acetate(EVAC)/aluminum diethylphosphinate(ADP)/melamine phosphate(MPP) composites by adding ultraviolet absorber UV–531 and antioxidant1010 were studied. The mechanical properties and thermal stability of EVAC/ADP/MPP composite by the double price hygrothermal aging and ultraviolet aging were mainly studied. The results show that EVAC/ADP/MPP composites’tensile strength and elongation at break are first increased and then decreased after hygrothermal aging. After ultraviolet aging test, EVAC composites’tensile strength and elongation at break are showing a declining trend. EVAC/ADP/MPP composites’ degradation happen in the chain of ethylene and vinyl acetate ethylene at the same time after hygrothermal aging through infrared spectrum study. By ultraviolet aging ,the degradation of EVAC/ADP/MPP composites mainly occurr in the ethylene chain segment. Thermogravimetry and differential scanning calorimeter test show that after long time of hygrothermal aging and ultraviolet aging test,EVAC/ADP/MPP composites’thermal stability decrease and residual carbon quantity lost is less.

关 键 词：乙烯–乙酸乙烯共聚物 复合材料 “双85”湿热老化 紫外老化 

分 类 号：TQ325.5[化学工程—合成树脂塑料工业]