نتایج جستجو برای: solvent system
تعداد نتایج: 2278530 فیلتر نتایج به سال:
The physicochemical properties of solute in solutions provide valuable information on solute –solvent, solute – solute and solvent – solvent interactions. The intermolecular forces between theliquids molecules and solvent molecules affect the viscosity of the solution. Information regardinginter and intra molecular interactions can be obtained from volumetric, and viscometric data in asolute so...
Abstract We report the use of DBU-CO 2 switchable solvent system for direct electrospinning cellulose. Two cellulose types were investigated, i.e. microcrystalline (MCC) and pulp (CP). The morphologies obtained fibers studied using scanning electron microscopy optical microscopy. Results showed that only particles with mean diameter about 1.2 μm could be when MCC was used, even at high concentr...
This work has established the optimum reaction conditions in a biphasic system using microcrystalline cellulose as the raw material, an ionic liquid as the solvent, metal chloride as a catalyst, and an organic solvent as the extraction reagent. The optimum reaction conditions were microcrystalline cellulose:ionic liquid 1:10 (mass ratio), chromium(III) chloride (CrCl3) 6.8 mol% (based on the gl...
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