Pamps / pvdf hollow - fiber gel composite membrane also has environment responsibilities Pamps pvdf中空纖維凝膠復合膜同樣具有環(huán)境響應的智能性。
Pamps / pvdf hollow - fiber gel composite membrane was prepared through interfacial polymerization 采用界面聚合法制備pamps pvdf中空纖維凝膠復合膜。
Extraction of neodymium by emulsion - liquid - membrane within hollow - fiber - contactor and its mass transfer properties 中空纖維膜萃取釹及其傳質(zhì)性能研究
Effects of coagulation bath temperature on the structure and performance of polyethersulfone hollow - fiber membranes by dry wet process 凝固浴溫度對相轉(zhuǎn)化聚醚砜中空纖維膜結(jié)構(gòu)與性能的影響
First , the treatment with strong alkali to pvdf hollow - fiber membrane was carried out to create c = c bonds on the membrane surface 先對pvdf中空纖維膜進行堿處理,使基膜表面生成碳碳雙鍵。
First , the treatment with strong alkali and strong oxidant to pvdf hollow - fiber membrane was carried out to activate the surface 首先對pvdf中空纖維膜進行強堿及強氧化劑處理,使基膜表面活化。
The bsa rejection increases as / decreases . the hydrophilicity of the surface of pvdf hollow - fiber membranes has been greatly improved and the antifouling ability increased obviously Pvdf基膜表面引入pamps長鏈分子或者pamps凝膠層,親水性大為改善,抗污染能力明顯提高。
The preparation of composite membranes in this dissertation can optimize the separation function and improve the antifouling ability of the membranes while not change the properties of the pvdf radicle membranes . the pvdf - g - pamps hollow - fiber grafted composite membrane was prepared through surface chemical grafting 本文采用制備中空纖維復合膜的方法,在不改變pvdf基膜材料本體性能的基礎(chǔ)上,發(fā)揮基膜材料和分離功能層膜材料的優(yōu)點,得到高分離功能、高透過通量的智能復合膜。
Poly ( vinylidene fluoride ) ( pvdf ) hollow - fiber porous membranes have excellent performances . but adsorption fouling will still be created on the hydrophobic surface when the membranes are used in aqueous solution separation systems . this can cause the decrease of the permeate flux and separation efficiency , thus the applications of the membranes are limited 聚偏氟乙烯( pvdf )中空纖維多孔膜具有優(yōu)良的性能,然而由于其表面的疏水性,在用于水相體系分離時,仍會產(chǎn)生吸附污染,導致膜通量和分離效率下降,應用范圍受到限制。