本文選題：聚偏氟乙烯膜 + 第凝固浴��； 參考：《水處理技術(shù)》2017年12期

【摘要】：以聚偏氟乙烯(PVDF)為基膜材料,以乙醇為第1凝固浴,以不同N-甲基吡咯烷酮(NMP)含量的水溶液為第2凝固浴,采用雙凝固浴法制備了高疏水和高透氣的PVDF膜。結(jié)果表明,以水作為凝固浴時(shí),PVDF膜的空氣側(cè)較為平整,當(dāng)用雙凝固浴時(shí),PVDF膜空氣側(cè)開孔結(jié)構(gòu)和無皮層結(jié)構(gòu)逐漸明顯,PVDF膜基底側(cè)較為粗糙;隨著NMP含量的增大,膜的接觸角先增大后減小,當(dāng)?shù)?凝固浴中的NMP的質(zhì)量分?jǐn)?shù)為50%時(shí),接觸角、最小液體滲透壓力、通氣量最大,分別為141.9°、35 kPa、540 L/h。
[Abstract]:High hydrophobic and breathable PVDF films were prepared by double solidification bath with polyvinylidene fluoride (PVDF) as the base membrane material, ethanol as the first coagulation bath and aqueous solution with different N-methylpyrrolidone (NMPN) content as the second coagulation bath. The results showed that the air side of PVDF membrane was flat when water was used as coagulation bath, and the air opening structure and non-cortical structure of PVDF membrane were obviously rough with the increase of NMP content. The contact angle of the membrane first increased and then decreased. When the mass fraction of NMP in the second coagulation bath was 50 kW, the contact angle, the minimum liquid osmotic pressure and the maximum aeration volume were 141.9 擄/ 35 KPA 540L / h, respectively.
【作者單位】： 唐山學(xué)院環(huán)境與化學(xué)工程系;天津工業(yè)大學(xué)材料科學(xué)與工程學(xué)院;河北出入境檢驗(yàn)檢疫局檢驗(yàn)檢疫技術(shù)中心;
【基金】：河北省科技計(jì)劃項(xiàng)目(13273707,16211243) 河北省唐山市科技計(jì)劃項(xiàng)目(14130238B)
【分類號(hào)】：TQ051.893

【相似文獻(xiàn)】

相關(guān)期刊論文 前2條

1 李薇;王磊;孟曉榮;王旭東;原巍;黃丹曦;;高溶劑含量第1凝固浴停留時(shí)間對(duì)PVDF膜結(jié)構(gòu)和性能的影響[J];水處理技術(shù);2011年09期

2 陳園園;時(shí)振洲;張春;顧學(xué)紅;;相轉(zhuǎn)化凝固浴對(duì)Al_2O_3中空纖維多孔載體微觀結(jié)構(gòu)的影響[J];無機(jī)材料學(xué)報(bào);2014年02期

相關(guān)碩士學(xué)位論文 前1條

1 謝曼曼;甲殼素改性的抗污染PVDF膜的制備和性能研究[D];天津工業(yè)大學(xué);2016年

，

本文編號(hào)：2009131