摘要
通过熔纺工艺制备了不同接收距离下(DCD)的超细PLA熔喷过滤材料,系统研究了接收距离对PLA纤网聚集态结构、形态结构、物理机械性能和过滤性能的影响。结果表明:随着接收距离的增大,纤网的结晶度有所增加。接收距离的增加有利于纤网直径的减小,力学性能的改善和过滤性能的提高。接收距离在25cm时制备的PLA熔喷材料具有较理想的物理机械性能和过滤性能。
Poly(lactic acid)(PLA) melt-blown webs were melt-spun by melt-blown processing. The effect of die-to-collector distance(DCD) on the structure and properties PLA MB webs was reported. The MB webs were characterized by scanning electron microscopy(SEM), differential scanning calorimetry(DSC), wide-angle X-ray diffraction, electronic fabrics strength tester and n electron-laser particle spectrometer. SEM micrographs reveal the fibers web becomes loose and the diameter of fibers decreases with the DCD increasing. The crystallinity of melt-blown webs increased with the increase in DCD. Smaller DCD offers some benefits to the mechanical properties and filtration efficiency of the MB web.
出处
《稀有金属材料与工程》
SCIE
EI
CAS
CSCD
北大核心
2016年第S1期345-349,共5页
Rare Metal Materials and Engineering
基金
National Natural Science Foundation of China(51203141)
Zhejiang Provincial Natural Science Foundation(LY12E03006)
Zhejiang Provincial Key Sci-Tech Innovation Team(2011R50003)
Top Academic Discipline of Textile Engineering Fund from Zhejiang Province(2013YXQN08,2014YXQN07,2014KF04)
521 Talent Project of ZSTU
Xinmiao Talent Fund of Zhejiang Province(2014R406031,2014R406032)
