本文選題：殼聚糖季銨鹽 + 反相乳液聚合法�。� 參考：《精細化工》2016年09期

【摘要】：以殼聚糖(CTS)和2,3-環(huán)氧丙基三甲基氯化銨(GTA)為原料,用反相乳液聚合法合成了殼聚糖季銨鹽(HACC)。并采用FTIR、1HNMR、ESEM和XRD對其結(jié)構(gòu)和形貌進行了表征�？疾炝朔聪嗳橐后w系中復(fù)合乳化劑的HLB值、V(油)∶V(水)、引發(fā)劑用量、時間、溫度和m(GTA)∶m(CTS)對反應(yīng)取代度及產(chǎn)率的影響。結(jié)果表明:合成HACC的最佳工藝條件為:復(fù)合乳化劑的HLB=6.0、V(油)∶V(水)=1.0∶1、w(引發(fā)劑)(占單體質(zhì)量的百分數(shù))=1.5%,反應(yīng)時間為5 h,溫度為60℃,m(GTA)∶m(CTS)=3.0∶1。在此條件下,產(chǎn)物的取代度和產(chǎn)率均達最大值,分別為1.331和81.16%。用原料CTS、自制HACC和市售絮凝劑陽離子聚丙烯酰胺(CPAM)對高嶺土模擬廢水進行了絮凝實驗。考察了絮凝體系p H、絮凝劑投加量對絮凝效果的影響。結(jié)果表明:CPAM、CTS和HACC對高嶺土模擬廢水都具有絮凝效果,HACC適宜的絮凝p H為6,絮凝劑的最佳投加量為1 mg/L。在此條件下,HACC、CTA、CPAM處理模擬廢水的剩余濁度分別為3.98、10.81、25.67 NTU。
[Abstract]:Chitosan quaternary ammonium salt (HAC) was synthesized by inverse emulsion polymerization from chitosan (CTS) and 2-methylammonium trimethylammonium chloride (GTAA). The structure and morphology were characterized by FTIR 1H N MRE SEM and XRD. The effects of HLB value of complex emulsifier in inverse emulsion system on the degree of substitution and yield of the reaction were investigated. The results showed that the optimum technological conditions for the synthesis of HACC were as follows: the compound emulsifier HLB was 6.0V (oil: v) 1.0: 1w (initiator = 1.5% of monomer mass), the reaction time was 5 h, the temperature was 60 鈩，

本文編號：1930490