检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
出 处:《功能材料》2017年第11期11133-11137,共5页Journal of Functional Materials
基 金:国家高技术研究发展计划(863计划)资助项目(2015AA034602)
摘 要:传统的热塑性聚丙烯(PP)拥有优异的机械性能、良好的结晶性、易于加工、价格便宜等优点被广泛应用于诸多领域,但易燃性阻碍其应用。开发阻燃性PP复合材料及对其阻燃机理的认识是解决PP易燃性的关键科学问题之一。采用热失重(TGA)、热重-红外联用(TGA/FT-IR)的方法研究了阻燃PP的热氧化降解行为及阻燃机理。实验结果表明,改性的有机膦酸锆阻燃剂的加入没有对PP的热稳定性产生明显影响,而提高了PP燃烧后残碳层的热稳定性,减少了燃烧过程中可燃性气体的排放速率和释放量,减少了有毒有害气体的释放量和速率,有效地提高了PP复合材料的阻燃性能及安全性能。Polypropylene(PP)is a traditional thermoplastic,which has the advantage of excellent mechanical,good crystallinity,easy processing,and cheap price.But its flammable properties hinder its application in more areas.Development of flame retardant PP composites and study of their flame retardant mechanism is one of the key scientific problems in solving flammability of PP.In this paper,the thermal oxidative degradation behavior and flame retardant mechanism of the composites were carefully studied by using thermogravimetric analysis and thermogravimetric analysis coupled with FT-IR.The experimental results showed that the thermal stability of PP was not significantly changed by adding modified zirconium phosphonate flame retardant,but the thermal stability of residual carbon layer was improved after PP combustion,and the flammable gas emission rate and the amount of emissions were reduced in the combustion process,especially the toxic and harmful gas emission rate and the amount of emissions.These results fully proved that the modified zirconium phosphonate flame retardant is a green flame retardant.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.38