Structure development and properties of high-speed melt spun poly(butylene terephthalate)/poly(butylene adipate-co-terephthalate) bicomponent fibers
Structure development and properties of high-speed melt spun poly(butylene terephthalate)/poly(butylene adipate-co-terephthalate) bicomponent fibers
复制标题
DOI：
10.1016/j.polymer.2005.11.051
复制
发表时间：
2006-01-13
期刊：
影响因子：
4.6
通讯作者：
Kikutani, T
中科院分区：
文献类型：
--
作者：
Shi, XQ;Ito, H;Kikutani, T
涤纶双组分超高速纺丝（对苯二甲酸丁二醇酯）（PBT）作为护套和可生物降解的聚采用差示扫描量热仪、广角X射线衍射仪、热分析仪等测试手段，研究了PBT/PBAT纤维各组分的结构变化及纤维的性能，双折射和拉伸测试。由于两种聚合物熔体在纺丝过程中沿着方向的相互作用，PBT/PBAT双组分纺丝的加工性能较相应的单组分纺丝有所改善。在PBT/PBAT纤维中，PBT组分的结构发展被大大增强，从而导致其热性能和力学性能的改善;而PBAT组分的结构发展被显著抑制，在结晶相和非晶相中均观察到几乎无取向的结构。(c)2005爱思唯尔有限公司保留所有权利。
Ultra-hi h-speed bicomponent spinning of poly(butylene terephthalate) (PBT) as sheath and biodegradable poly(butylene adipate-co- terephthalate) (PBAT) as core was accomplished with the take-up velocity up to 10 km/min. The structure development of the individual component and the properties of PBT/PBAT fibers were investigated through the measurements on differential scanning calorimetry, wide-angle X-ray diffraction, birefringence and tensile test. Due to the mutual interaction between two polymer-melts along the spinline, the processability of both components in PBT/PBAT bicomponent spinning was improved compared with those of corresponding single component spinnings. Furthermore, in PBT/PBAT fibers, the structure development of PBT component was found to be greatly enhanced, which led to the improvement in its thermal and mechanical properties; whereas the structure development of PBAT component was significantly suppressed, in which nearly non-oriented structure was observed in both crystalline and amorphous phases. (c) 2005 Elsevier Ltd. All rights reserved.