Corn stover was collected from the farmland in Liaocheng (Shandong Province, China). The pulverizer with a screen was used to crush the raw corn stover. The composition of corn stover was analyzed by the National Renewable Energy Laboratory (NREL) methods, with 32.56 wt% of cellulose, 13.97 wt% of hemicellulose, and 17.14 wt% for lignin [43 (link)]. The reagent, including lithium bromide (LiBr, Xiya reagent company, Shandong, China), hydrochloric acid (HCl, Guoyao reagent company, Shanghai, China), organic solvent N,N-Dimethylformanmide (DMF, Coolaber reagent company, Beijing, China), γ-valerolactone (GVL, Guoyao reagent company, Shanghai, China), tetrahydrofuran (THF, Macklin reagent company, Shanghai, China) and dimethyl sufoxide (DMSO, Solarbio reagent company, Beijing, China) were in chemical reagent grade. The standard substance furfural and 5-HMF were purchased from ANPEL Laboratory Technologies (Shanghai, China) Inc with 99% purity.
Tetrahydrofuran thf
Manufactured by Maclin Biochemical Technology
Sourced in China
Tetrahydrofuran (THF) is a colorless, volatile, and flammable organic compound. It is a cyclic ether with the chemical formula C₄H₈O. THF is commonly used as a solvent in various chemical and industrial applications.
Automatically generated - may contain errors
4 protocols using tetrahydrofuran thf
1
Corn Stover Composition and Reagents Analysis
2
Synthesis of o-PCL-epoxy-POSS Composites
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The oligo(ε-caprolactone) diols (o-PCL) with number average molecular weight (Mn) of 2000 was purchased from Hubei Chushengwei Chemical Co., Ltd. Glycidyl POSS (Merchandise sign Hybrid Plastics EP0409, hereafter referred to epoxy-POSS, Changsha, China) was viscous liquid at room temperature, and supplied by Hybrid Plastics Inc. The balsa wood (Ochroma lagopus, Heze, China) was obtained from Cao County Tongtong Wood Industry Co., Ltd. Sodium hydroxide (AR, Aladdin, Shanghai, China), sodium sulfite (AR, Aladdin, Shanghai, China), tetrahydrofuran (THF, >99.0%, Macklin, Beijing, China), ethanol (AR, Macklin, Beijing, China), anhydrous magnesium perchlorate (Mg(ClO4)2, AR, Macklin, Beijing, China) and deionized (DI) water were used as received.
3
Corn Stover Valorization via THF
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The corn stover (CS) powder was obtained from Shandong Province, China and sifted using a 60-mesh griddle. Then the air-dried CS powder was used as the natural material. The tetrahydrofuran (THF) was purchased from Macklin Biochemical Co., Ltd (Shanghai, China). Sulfuric acid (H 2 SO 4 , 98 wt%) was purchased from Guangfu, Tianjin, China. The alkali lignin was purchased from Sigma-Aldrich.
4
Synthesis of Silica-Based Polymer Composites
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Sodium silicate aqueous (33 wt%, modulus 3.3) was supplied by the Que Chen Silicon Chemical Co., Ltd., Wuxi, China. Acetic acid (HAc, 99.5%) was purchased from the Shanghai Shen Bo Chemical Co., Ltd., Shanghai, China. Aminopropyltriethoxysilane (APTES, 98%), simethicone (viscosity 1000 ± 80 mPa·s), vinyl benzyl chloride (90%) and styrene (99.9%) were purchased from the Shanghai Aladdin Biochemical Technology Co., Ltd., Shanghai, China. Azodiisobutyronitrile (AIBN, 99%) and tetrahydrofuran (THF, 99.9%) were obtained from the Shanghai Macklin Biochemical Co., Ltd., Shanghai, China. Anhydrous ethanol was purchased from Wuxi Ya Sheng Chemical Co., Ltd., Wuxi, China. Acetonitrile, n-hexane and vacuum pump oil were purchased from the Sinopharm Chemical Reagent Co., Ltd, Shanghai, China. Vegetable oil (colza oil) was obtained from the domestic daily market. Deionized water was homemade.
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