聚丙烯防老化编织布之人工老化和大气老化性能对比研究  

Comparison the Artificial and Natural Aging Tests of Woven Polypropylene

作　　者：王维 王琦 WANG Wei;WANG Qi(Shanghai Geotechnical Investigation Design ＆ Research Institute Co.Ltd.,Shanghai,20043)

机构地区：[1]上海勘测设计研究院有限公司

出　　处：《土工基础》2018年第4期440-444,共5页Soil Engineering and Foundation

摘　　要：选取了4种聚丙烯防老化编织布,进行大气自然老化和人工加速老化试验。测试结果显示,相同单位面积质量,老化母料掺量不同的聚丙烯防老化编织布,具有相同或相近的大气老化性能;而相同单位面积质量、老化母料掺量高的聚丙烯编织布耐人工加速老化的性能更好。对两种老化试验的测试条件进行了对比分析,研究表明,人工加速老化和大气自然老化的环境作用机理不尽相同。由人工加速老化时间和大气自然老化时间的比值关系,推出的人工加速老化的加速比率,对于不同单位面积质量、不同老化母料掺量的聚丙烯防老化编织布,对应的老化加速比率不同。The comparative study of the artificially accelerated aging and natural ambient aging tests were performed o four different woven polypropylene fabric samples.The following conclusions can be summarized：under the same area and weight,the ambient aging results shown no significant differences over geotextiles with different aging retardation additives.However,woven polypropylene with more aging retardation additives has longer resistant time in the artificially accelerated aging tests.The results also show that the mechanisms between the natural ambient aging and artificially accelerated aging are different.From the relationship between the artificially accelerated aging and natural ambient aging,the rates of artificial aging are different for woven polypropylene with different amount of aging retardation additives.

关 键 词：聚丙烯防老化编织布 人工加速老化 大气自然老化 对比研究 

分 类 号：TU433[建筑科学—岩土工程]