Functional Supramolecular Organogel And The Synthesis Of Fine Chemicals Including ESO And DS6000

Supramolecular chemistry is mainly focused on supramolecular entities and formed by two or more chemical species, such as molecules and ions, by molecular interactions.1987Nobel Prize in Chemistry was awarded to three scientists in the field of supramolecular chemistry:J. M. Lehn (France), D. J. Cram (America) and C. J. Pederson (America), to commend their achievements in the field of supramolecular chemistry. Supramolecular self-assembly existed widely in vivo and linked closely with our life. The research on supramolecular self-assembly is of great significance for understanding many phenomena happened in vivo. In2005, Science magazine proposed25important scientific problems in the anniversary album in which the only one problem related to chemistry was "How Far Can We Push Chemical Self-Assembly", which suggested the importance of superamolecular chemistry in chemistry. Low molecular gel, a branch of supramolecular self-assembly mainly studies the gels formed by low molecular gelater (LMMGs). LMMGs can form three-dimensional networks through intermolecular forces such as hydrogen bonding, Van der Waals’force, and then the networks can trap a large amount of solvents through capillary forces and interfacial tension to form gels.Epoxidized soybean oil (ESO) is an environmental friendly plasticizer and stabilizer which is researched and developed early at domestic and overseas. It is widely used in the fields of coating, plastics, rubber, new-type macromolecule materials and so on. Polyethylene glycol double stearic acid ester (DS6000) is a kind of nonionic surfactants, and is an excellent decontamination, emulsification and thickening effect at the same time. DS6000is widely used in the fields of household chemicals, fabric printing and dyeing as a thickening.This thesis is consisted of two parts:functional supramolecular organogel based on (3-CD and the preparation of fine chemicals including ESO and DS6000. a) Functional Supramolecular Organogel based on β-CD. There were two systems in this part,β-CD/bisphenol A (BPA)/LiCl/N,N-dimethyl formamide (DMF)(or N,N-dimethylacetamide (DMAc)) system and β-CD/LiCl/DMF (or DMAc) system. The former one was a clear solution at room temperature and a heat-set organogel at high temperature, and this process was reversible. When some liquid monohydric alcohols were added into the solution at room temperature, a semitransparent organogel (room-temperature organogel) was formed. Interestingly, the morphologies of the room-temperature organogel could be varied as the amount of alcohols and the stirring time changed. The xerogels were characterized by optical microscopy, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), rheology measurements, thermal gravity analysis and differential thermal gravity (TG/DTG). These organogels exhibiting a succession of micro-morphologies has a potential application in the design and construction of functional materials as soft templates. The later one was also a clear solution at room temperature and a heat-set organogel at high temperature. This process was also reversible. This system could exhibit different phenomena for different alcohols:ice-like crystal, solution, room-temperature organogel and heat-set organogel. the samples were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), thermal gravity analysis and differential thermal gravity (TG/DTG),’H nuclear magnetic resonance (1H NMR) and2D rotating frame overhauser effect spectroscopy (2D ROESY). This system has a potential application in the field of molecular recognition, and paves the way for people to get an insight understanding of the phenomena occurred in vivo.b) Preparation of fine chemicals ESO and DS6000. In order to open a broad application scope for ESO, we improved the production technique, and obtained lighter color products. We also improved the production technique of DS6000which was a kind of thickener. This thickener was not easy to be degraded and its thickening performance was better than the abroad sample.