有机蒙脱土复合型高吸水性树脂的制备及性能研究
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摘要
用十六烷基三甲基溴化铵(CTMAB)对钠基蒙脱土进行有机改性,制得有机蒙脱土,采用水溶液聚合法将有机蒙脱土与衣康酸(IA)、N-羟甲基丙烯酰胺(N-MAM)共聚制备了有机蒙脱土复合型高吸水性树脂,研究了该树脂的吸液性能和热稳定性能.结果表明:当有机蒙脱土质量占聚合单体总质量3%时,复合型高吸水性树脂的吸水性、耐盐性和热稳定性得到了提高,在pH7～10范围吸水能力最强.
Organic bentonite was prepared by modifying Na-bentonite withcetyl trimethyl ammonium bromide(CTMAB).A superabsorbent resinwas synthesized by aqueous polymerization of organic bentonite,itaconic acid(IA)and N-methylol acrylamide(N-MAM).The water absorbency and the thermal stability of the resin were investigated.The results showed that the water absorbency and salt tolerance increased in the pH range of 7～10 and the content of organic bentonite at 3%.TGA results indicated that the thermal stability of the resin was also improved.
Organic bentonite was prepared by modifying Na-bentonite withcetyl trimethyl ammonium bromide(CTMAB).A superabsorbent resinwas synthesized by aqueous polymerization of organic bentonite,itaconic acid(IA)and N-methylol acrylamide(N-MAM).The water absorbency and the thermal stability of the resin were investigated.The results showed that the water absorbency and salt tolerance increased in the pH range of 7～10 and the content of organic bentonite at 3%.TGA results indicated that the thermal stability of the resin was also improved.
引文
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[3]马园园,刘晗婷,彭利,等.微流控纺丝制备葡萄糖响应凝胶纤维[J].应用化学,2018,35(10):1208-1214.MA Yuanyuan,LIU Hanting,PENG Li,et al.Fabrication of glucose-responsive gel fibers via microfluidic spinning[J].Chinese Journal of Applied Chemistry,2018,35(10):1208-1214.
[4]宋涛,奚悦静,杜建忠.基于聚谷氨酸囊泡的抗菌水凝胶[J].高分子学报,2018(1):119-128.SONG Tao,XI Yuejing,DU Jianzhong.Antibacterial hydrogels incoporated with poly(glutamic acid)-based vesicles[J].Acta Polymerica Sinica,2018(1):119-128.
[5]潘鸽,吴广峰,李欣鹤,等.磺化聚苯乙烯纳米微球-聚丙烯酰胺杂化水凝胶的制备及性能[J].功能高分子学报,2017,30(4):457-463.PAN Ge,WU Guangfeng,LI Xinhe,et al.Preparation and properties of sulfonated polystyrene nanospheres-polyacrylamide hybrid hydrogels[J].Journal of Founctional Polymers,2017,30(4):457-463.
[6]陈雪鋆,吕琛,范茗,等.智能磁力驱动自愈合水凝胶的制备及性能研究[J].生物加工过程,2018,16(5):71-79.CHEN Xueyun,LYU Chen,FAN Ming,et al.Preparation and evaluation of intelligent self-healing hydrogel encapsulated magnetic gelatin microspheres[J].Chinese Journal of Bioprocess Engineering,2018,16(5):71-79.
[7]高大千,周新钦,武振旭,等.磺胺嘧啶银/聚乙烯醇水凝胶复合材料的制备及性能表征[J].复合材料学报,2017,34(12):2668-2673.GAO Daqian,ZHOU Xinqin,WU Zhenxu,et al.Preparation and properties of sulfadiazine Ag/polyvinyl alcohol hydrogel composites[J].Acta Materiae Compositae Sinica,2017,34(12):2668-2673.
[8]HICHAM Z,DANIEL B,OUAFAE A,et al.A comparative study of the adsorption and desorption of oxylene onto bentonite clay and alumina[J].Journal of Hazardous Materials,2008,153(1/2):852-859.
[9]JUN P Z,HAO C,AI Q W.Study on superabsorbent composite.Ⅳ.Effects of organification degree of attapulgite on swelling behaviors of polyacrylamide/organo-attapulgite composites[J].European Polymer Journal,2006,42:101-108.
[10]AOUADA F A,M OURA M R,LOPES D S,et al.Preparation and characterization of hydrophilic,spectroscopic,and kinetic properties of hydrogels based on polyacrylamide and methylcellulose polysaccharide[J].Journal of Applied Polymer Science,2011,120:3004-3013.
[11]SHI X N,WANG B,WANG A Q.Effect of surfantant on porosity and swelling behaviors of guar gum-g-poly(sodium acrylate-co-styrene)/attapulgite superabsorbent hydrogels[J].Colloids and Surfaces B:Biointerfaces,2011,88:279-286.
[12]唐宏科,薛锋锋.钙基膨润土的有机改性及其结构表征[J].无机盐工业,2012,44(2):27-29.TANG Hongke,XUE Fengfeng.Organic modification and structure characterization of Ca-bentonite[J].Inorganic Chemicals Industry,2012,44(2):27-29.
[13]ZHANG Sufen,WANG Wei,WANG Haiyan,et al.Synthesis and characterization of starchgrafted superabsorbent via 10 MeVelectron-beam irradiation[J].Carbohydrate Polymers,2014,101(30):798-803.