摘要
基于相分离法以对二甲苯为溶剂,2-丁酮为非溶剂制备出了具有超疏水性的聚丙烯(PP)微孔膜,用傅里叶红外光谱、接触角、扫描电镜、分别表征了微孔膜的化学组成、润湿性能及表面形貌。通过改变聚丙烯初始浓度、2-丁酮体积比、处理温度等条件,获得不同微观形貌的PP膜,通过分析可知微观形貌对微孔膜的疏水性能有很大影响。通过系统探讨工艺条件对微孔膜疏水性能的影响规律,得出:随着2-丁酮的体积比、PP初始浓度的增加,PP膜的疏水性能改善,且处理温度越低PP膜的疏水性越好。
Polypropylene(PP)based superhydrophobic porous films were prepared by non-solvent induced phase separation method using paraxylene as the solvent and 2-butanone as non-solvent.The porous films were characterized using with fourier transform infrared spectroscopy(FT-IR),contact angle(CA)analyser and scanning electron microscope(SEM),etc.Different kinds of morphologies of the films can be obtained by varying the initial concentration of PP,processing temperature or the vol%(volume fraction)of non-solvents.The surface morphology of the porous film had a great influence on the film's hydrophobicity.And the effects of different experimental conditions on the hydrophobicity of the films were discussed.With increasing the vol% of non-solvent(2-butanone)or the amount of PP,the hydrophobicity of the PP films were improved and the lower the processing temperature was,the better hydrophobicity the PP films would have.
出处
《化工新型材料》
CAS
CSCD
北大核心
2014年第12期189-191,194,共4页
New Chemical Materials
基金
中央高校基本科研业务费专项基金项目(JUSRP1044
JUSRP1045)
江苏省产学研联合创新资金-前瞻性联合研究项目(BY2012064)
国家自然科学基金青年基金项目(51203062)
江苏省科技支撑计划(BE2011014)
关键词
超疏水
聚丙烯
微孔膜
相分离
接触角
superhydrophobicity
polypropylene
non-solventporous film
phase separation
water contact angle