發(fā)布時間：2018-04-23 13:52

  本文選題：Gemini表面活性劑 + 疏水鏈長度��； 參考：《化工新型材料》2017年06期

【摘要】：借助引發(fā)劑過硫酸鉀(KPS)分別將3種Gemini表面活性劑分子(G_(16-2-16)、G_(12-2-12)和G_(8-2-8))聚合成線性高分子聚合物,然后將上述線性聚合物長鏈"鎖定"在交聯(lián)的季銨化殼聚糖網(wǎng)狀結構中,制備3種半互穿網(wǎng)絡陰離子交換膜。為了考察疏水長鏈的長度對陰離子膜電導率和機械性能的影響,對膜的離子交換量、電導率和機械性能等特性進行考察。結果表明:疏水鏈越長,越有利于膜內部相分離結構的形成,團簇效果越明顯,同時增強了膜結構的機械性能。當烷基鏈長度由8個碳增至16個碳,膜拉伸強度由17.22MPa增加到20.08MPa,70℃下,電導率由(4.11×10~(-2))S/cm增加到(5.00×10~(-2))S/cm。
[Abstract]:By means of the initiator potassium persulfate (KPS), three kinds of Gemini surfactants were polymerized into linear polymers, respectively, by polymerizing three kinds of Gemini surfactants (Gill 16-2-16) and GSP 8-2-8), and then the linear polymer chains were "locked" in the cross-linked quaternary ammonium chitosan network. Three kinds of semi-interpenetrating network anion exchange membranes were prepared. In order to investigate the effect of the length of hydrophobic long chain on the conductivity and mechanical properties of anionic membrane, the ion exchange capacity, conductivity and mechanical properties of the membrane were investigated. The results show that the longer the hydrophobic chain is, the more favorable the formation of the phase separation structure is, the more obvious the cluster effect is, and the more the mechanical properties of the membrane structure are enhanced. When the length of alkyl chain was increased from 8 carbon to 16 carbon, the tensile strength of the film was increased from 17.22MPa to 20.08 MPA ~ (-1) 鈩，

本文編號：1792236