17 聚偏氟乙烯本体亲水改性处理油水乳液的研究

黄强;高军;

• 1:内蒙古科技大学化学与化工学院

• 
  

摘要(Abstract)：

为改善PVDF亲水性,本研究利用TMAH对其本体改性产生碳碳双键,将SBMA在BPO引发下接枝到PVDF上,得到PSBMA-g-PVDF油水分离膜.该方法成功将SBMA接枝到PVDF膜上.TMAH含量与接枝率呈正相关关系,通量随接枝率增长而上升,最大为594.9 L/(m~2·h),截留率为93.1%,通量恢复率为91.8%,接触角降至29.3°.与PVDF膜相比,PSBMA-g-PVDF膜的分离性能明显提高.

关键词(KeyWords)： 油水分离膜;聚偏氟乙烯;本体改性;氢氧化四甲基铵;磺酸基甲基丙烯酸甲酯

基金项目(Foundation): 内蒙古自治区高等学校科学研究基金资助项目(NJZY18148)

作者(Author): 黄强;高军;

Email:

DOI: 10.16559/j.cnki.2095-2295.2021.04.017

参考文献(References)：

• [1] Zhang S,Wu L,Deng F,et al. Hydrophilic modification of PVDF porous membrane via a simple dip-coating method in plant tannin solution[J]. RSC Advances,2016,6(75):71287. [2] Zhao X,Su Y,Li Y,et al. Engineering amphiphilic membrane surfaces based on PEO and PDMS segments for improved antifouling performances[J]. Journal of Membrane Science,2014,450:111. [3] Zuo G,Wang R. Novel membrane surface modification to enhance anti-oil fouling property for membrane distillation application[J]. Journal of Membrane Science,2013,447:26. [4] Babadi F E,Yunus R,Rashid S A,et al. New coating formulation for the slow release of urea using a mixture of gypsum and dolomitic limestone[J]. Particuology,2015,23(6):62. [5] Zhou R,Ren P F,Yang H C,et al. Fabrication of antifouling membrane surface by poly(sulfobetaine methacrylate)/polydopamine co-deposition[J]. Journal of Membrane Science,2014,466:18. [6] Ben-Sasson M,Zodrow K R,Genggeng Q,et al. Surface functionalization of thin-film composite membranes with copper nanoparticles for antimicrobial surface properties[J]. Environmental Science&Technology,2014,48(1):384. [7] An Z,Li Y,Xu R,et al. New insights in poly(vinylidene fluoride)(PVDF)membrane hemocompatibility:synergistic effect of PVDF-g-(acryloyl morpholine)and PVDF-g-(poly(acrylic acid)-argatroban)copolymers[J]. Applied Surface Science,2018,457:170. [8] Wang L,Pan K,Li L,et al. Surface hydrophilicity and structure of hydrophilic modified PVDF membrane by nonsolvent induced phase separation and their effect on oil/water separation performance[J]. Ind Eng Chem Res,2014,53(15):6401. [9]黄强，郭贵宝，安胜利，等．四乙基氢氧化铵改性聚偏氟乙烯接枝二氧化硅油水分离膜的研制[J]．高分子材料科学与工程，2018,34(2):143. [10] Park S H,Ahn Y,Jang M,et al. Effects of methacrylate based amphiphilic block copolymer additives on ultra filtration PVDF membrane formation[J]. Separation and Purification Technology,2018,202:34. [11] Dong L,Liu X,Xiong Z,et al. Design of UV-absorbing PVDF membrane via surface-initiated AGET ATRP[J].Applied Surface Science,2018,435:680. [12] Huang X,Wang W,Liu Y,et al. Treatment of oily waste water by PVP grafted PVDF ultrafiltration membranes[J]. Chemical Engineering Journal,2015,273:421. [13] Yang J,Mei S,Ferreira J M F. Hydrothermal synthesis of nanosized titania powders:influence of tetraalkyl ammonium hydroxides on particle characteristics[J]. Journal of the American Ceramic Society,2001,84(8):1696. [14] Ross G J,Watts J F,Hill M P,Morrissey P. Surface modification of poly(vinylidene fluoride)by alkaline treatment 1. The degradation mechanism[J]. Polymer,2000,41:1685. [15]沈娟，邱新平，李勇，等．碱处理PVDF膜对制备高电导率质子交换膜的作用[J]．化学学报，2005(13):1187. [16] Li J H,Li M Z,Miao J,et al. Improved surface property of PVDF membrane with amphiphilic zwitterionic copolymer as membrane additive[J]. Applied Surface Science,2012,258(17):6398. [17] Zhao Y H,Wee K H,Bai R. Highly hydrophilic and low-protein-fouling polypropylene membrane prepared by surface modification with sulfobetaine-based zwitterionic polymer through a combined surface polymerization method[J]. Journal of Membrane Science,2010,362(1-2):326. [18] Lalani R,Liu L. Synthesis,characterization,and electrospinning of zwitterionic poly(sulfobetaine methacrylate)[J]. Polymer,2011,52(23):5344.