本文選題：丙烯腈-丙烯酸甲酯　切入點：熱致相分離法　出處：《高分子材料科學與工程》2017年08期 　論文類型：期刊論文

【摘要】：以投料摩爾比為80/20的可熔融丙烯腈-丙烯酸甲酯共聚物(80/20AN-MA)為基體,良溶劑碳酸乙烯酯(EC)和綠色環(huán)保的非溶劑三甘醇二乙酸酯(TEGDA)為復配稀釋劑,正硅酸乙酯(TEOS)為添加劑,熱致相分離法(TIPS)溶膠凝膠工藝制備含有納米二氧化硅(SiO2)的AN-MA雜化微孔膜。研究了復配稀釋劑的配比、共聚物濃度以及添加劑的加入量對微孔膜的結構、孔隙率、親水性、滲透性和力學性能的影響。結果表明,TIPS法結合溶膠凝膠工藝成功制備了SiO2納米粒子均勻分布的AN-MA微孔膜。當共聚物質量分數(shù)為9%,復配稀釋劑中EC與TEGDA的質量比為6/4,TEOS質量分數(shù)為5%,凝固浴為25℃水浴時,微孔膜的純水通量提高了50%,達到120.0L/(m2·h),斷裂強度提高了17%,達到3.4 MPa,膜的親水性也得到了一定提高。
[Abstract]:The meltable acrylonitrile-methyl acrylate copolymer (80 / 20AN-MA) with a molar ratio of 80/20 was used as the matrix, the good solvent ethylene carbonate (ECC) and the green non-solvent triethylene glycol diacetate (TEGDA) as the complex diluent, and the tetraethyl orthosilicate (TEOS) as the additive. AN-MA hybrid microporous membranes containing nano-SiO2) were prepared by thermally induced phase separation (Tips) sol-gel process. The effects of the ratio of complex diluent, copolymer concentration and additive content on the structure, porosity and hydrophilicity of microporous membranes were studied. The effect of permeability and mechanical properties on the permeability and mechanical properties. The results show that AN-MA microporous membrane with uniform distribution of SiO2 nanoparticles has been successfully prepared by tips method and sol-gel process. When the mass fraction of copolymer is 9, the mass ratio of EC to TEGDA in the complex diluent is as follows: 1. When the mass fraction of TEOS is 6 / 4, the mass fraction of TEOS is 5 and the coagulation bath is 25 鈩，

本文編號：1641908