采用聚磷酸铵(APP)对普通物理膨胀型阻燃剂——硫酸插层的可膨胀石墨(GIC)进行二次插层,得到APP-GIC,将其用于超高分子量聚乙烯(UHMWPE)的阻燃,并对材料的阻燃性能、力学性能、残炭的形态结构进行了研究.实验结果表明,APP-GIC的石墨层间含有APP,采用APP-GIC制备的无卤阻燃UHMWPE的极限氧指数(LOI)达到27.2％、阻燃等级UL94V-0.傅里叶变换红外光谱(FT-IR)和热重分析(TGA)研究表明,APP起到促进成炭的作用.
参考文献
| [1] | Wang ZG.;Hsiao BS.;Stribeck N.;Gehrke R. .Nanostructure evolution of isotropic high-pressure injection-molded UHMWPE during heating[J].Macromolecules,2002(6):2200-2206. |
| [2] | D.Jauffres;O.Lame;G.Vigier .Microstructural origin of physical and mechanical properties of ultra high molecular weight polyethylene processed by high velocity compaction[J].Polymer: The International Journal for the Science and Technology of Polymers,2007(21):6374-6383. |
| [3] | Zhu, H.;Zhu, Q.;Li, J.;Tao, K.;Xue, L.;Yan, Q. .Synergistic effect between expandable graphite and ammonium polyphosphate on flame retarded polylactide[J].Polymer Degradation and Stability,2011(2):183-189. |
| [4] | 雷长明,张朝,戴干策.可膨胀石墨阻燃体系在聚丙烯中的作用[J].功能高分子学报,2007(02):137-142. |
| [5] | 蒋文俊,方劲,李哲曌,杨绪杰,陆路德,查培法,浦龙娟.可膨胀石墨的制备及谱学特性研究[J].功能材料,2010(02):200-203. |
| [6] | Narihiro Matsuda;Hiroaki Shirasaka;Keisuke Takayama;Tomoyuki Ishikawa;Kunihiko Takeda .Thermal degradation and flame retardancy of ethylene-vinyl alcohol copolymer blended with ammonium polyphosphate[J].Polymer Degradation and Stability,2003(1):13-20. |
| [7] | 蔡晓霞,王德义,彭华乔,王玉忠.聚磷酸铵/膨胀石墨协同阻燃EVA的阻燃机理[J].高分子材料科学与工程,2008(01):109-112. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%