Naturally occurring sugar-based monomers are attractive substrates in the design of functional glycopolymers. In this study, we report on the development of D-galactose based organogels of varying crosslink density capable of selective adsorption of dyes and solvents. Free radical polymerization of 6-O-methacryloyl-1,2;3,4-di-O-isopropylidene-D-galactose in the presence of nonamethylene glycoldimethacrylate generated novel crosslinked polymers OG10, OG15 and OG20 with 10, 15 and 20 wt% crosslinker, respectively. Depending on the nature of the solvent, OG10 undergoes swelling upto 935%. The negative zeta potential, as determined from DLS measurements, and the gelation ability suggested the potential utility of the polymer for dye removal from water. OG10 displayed significant adsorption of rhodamine B (RhB) (>95%), crystal violet (>93%), and methylene blue (>70%) dyes as well as the selective adsorption of >90% RhB from a solution containing both RhB and methyl orange. These porous organogels are also found to be suitable for phase-selective removal of organic solvents.

在功能性糖聚合物的设计中，天然存在的糖基单体是有吸引力的底物。在这项研究中，我们报道了能够选择性吸附染料和溶剂的交联密度不同的D-半乳糖基有机凝胶的发展。6 - O-甲基丙烯酰基-1,2; 3,4-二-O的自由基聚合-异亚丙基-D-半乳糖在九亚甲基二醇二甲基丙烯酸酯的存在下产生分别具有10、15和20 wt％交联剂的新型交联聚合物OG10，OG15和OG20。根据溶剂的性质，OG10会溶胀达935％。由DLS测量确定的负ζ电势和胶凝能力表明该聚合物用于从水中去除染料的潜在效用。OG10显示出若丹明B（RhB）（> 95％），结晶紫（> 93％）和亚甲基蓝（> 70％）染料的显着吸附以及从包含两种RhB的溶液中选择性吸附> 90％RhB和甲基橙。还发现这些多孔有机凝胶适用于相选择性去除有机溶剂。