醋酸甘油酯

SO(superscript 2- subscript 4)/ZrO2-TiO2 solid super acid was prepared and used as the catalyst for synthesis of glycerol triacetate from glycerol and acetic acid.

采用复合固体超强酸SO(上标 2-下标 4)/ZrO2-TiO2为催化剂，甘油和醋酸为原料，结合醋酸精馏回流工艺，合成了三醋酸甘油酯。

The optimum conditions were obtained: reaction time 10 h, amount of catalyst for the quality of glycerin 5%, molar ratio of glycerin to acetic acid 1:8, under which the yield of glycerol triacetate reached 93.8%.

实验结果表明，反应时间10h，催化剂用量为甘油的5%，甘油／乙酸=1：8的条件下，三醋酸甘油酯的收率达93.8%。100~130℃时，反应活化能为113.245kJ/mol。

Glycerol triacetate was synthesized using several acidic functional ionic liquids as the catalysts.

将几种酸功能化离子液体应用于三醋酸甘油酯的合成反应中，筛选出了一种催化效果好又可以重复使用的离子液体[HSO3-pmim][HSO4]。

Keywords glycerol triacetate;ionic liquid catalyst;esterification

三醋酸甘油酯；离子液体催化剂；酯化

Using p-toluensulphonic acid supported by activated carbon as catalyst,glycerol triacetate was synthesized from glacial acetic acid and glycerin.

三醋酸甘油酯，学名三乙酸丙三醇酯，无毒、无刺激性，是一种良好的溶剂和增塑剂，广泛用于医药、食品、香料和印染工业[1]。

Taking glycerol and ethanoic acid as raw materials,the glceride triacetate was synthesized with ion liquid pyrrolidone hydrosulfate as catalyst.

目前工业生产基本采用丙三醇和乙酸用浓硫酸催化生产三醋酸甘油酯。

Purified water, euphorbia cerifera wax, glyceryl stearate, ammonium acrylates copolymer, butylene glycol, copernica cerifera wax, stearic acid, sucrose acetate isobutyrate, acrylates copolymer, bentonite, tromethamine, hexylene glycol, silk amino acids, cholesterol, glycine, synthetic wax, ethylhexyl glycerin, alanine, PEG-9 dimethicone, nylon-6, lecithin, silica, simethicone, caprylyl glycol, xanthan gum, propylene glycol, isostearic acid, sodium laureth-12 slfate, ceteareth-20, polyvinyl alcohol, sodium chloride, sodium acetate, disodium EDTA, benzyl alcohol, chlorphenesin, phenoxyethanol, methylparaben, ethylparaben, propylparaben, butylparaben, isobutylparaben, may contain /- mica, iron oxides (CI 77491, CI 77492, CI 77499), titanium dioxide (CI 77891), ferric ferrocyanide (CI 77150), ultramarines (CI 77007), blue 1 lake (CI 42090), bronze powder (CI 77400), aluminum powder (CI 77000), bismuth oxychloride (CI 77163), carmine (CI 75740), chromium hydroxide green (CI 77289), chromium oxide greens (CI 77288), yellow 5 lake CI 19140

水，小烛树蜡，硬脂酸甘油酯，丙烯酸铵共聚物，1，3-丁二醇，巴西棕榈蜡，硬脂酸，异丁酸醋酸蔗糖酯，丙烯酸酯共聚物，蒙脱土，二吡喃乙酸乙酯胺，已烯醇，丝氨酸，胆固醇，甘油，合成蜡，异丁基甘油，丙胺酸，PEG-9二甲基硅油，尼龙-6，卵磷酯，硅粉，硅氧烷，癸酰基乙二醇，汉生胶，丙二醇，异硬脂酸，月桂基醚-12硫酸钠，十六十八醇醚-20，聚乙烯醇，氯化钠，醋酸钠，EDTA二钠，苯氧乙醇，氯代苯酚，卞醇，尼泊金甲酯，尼泊金乙酯，尼泊金丙酯，尼泊金丁酯，尼泊金异丁酯，[可能还含有云母，铁黑(CI 77491， CI 77492， CI 77499)，钛白粉(CI 77891)，氰化亚铁(CI 77150)，靛蓝(CI 77007)，蓝1号(CI 42090)，青铜粉(CI 77400)，铝粉(CI 77000)，氯氧化铋(CI 77163)，洋红色素(CI 75740)，氢氧化铬绿(CI 77289)，氧化铬绿(CI 77288)，黄5号(CI 19140)]文章来自网络，不代表本网站立场，版权归原作者所有，转载请注明出处！

The research shows that the cement grinding aid can be made from the waste materials of chemical works such as glyceric distillation residue and compound glyceric distillation residue.

研究表明：利用轻化工厂甘油蒸馏残渣、复合甘油蒸馏残渣等下脚料做水泥助磨剂，能取得与三乙醇胺、三醋酸甘油酯相同的效果，且成本前者较后者低。

Cellulose, mannitol, hydroxypropyl methylcellulose phthalate, citric acid, sodium starch glycolate, glyceryl triacetate, modified cellulose gum, stearic acid, colloidal silicon dioxide, titanium dioxide and yellow ochre.

纤维素，甘露醇，羟丙基甲基纤维素邻苯二甲酸酯，柠檬酸，淀粉钠乙醇，三醋酸甘油酯，改性纤维素胶，硬脂酸，胶质二氧化矽，二氧化钛和黄赭色。

Objective:A GF-AAS method was established for the determination of lead in tipping paper,filter plug wrapping paper,diacetate cellulose tow,polypropylene fiber tow,glycerol triacetate for cigarette,polypropylene fiber tow filter rod adhesive,polyvinyl acetate emulsion adhesive,hot melt adhesive.

目的：建立了接装纸、成形纸、醋纤丝束、聚丙烯丝束、三醋酸甘油酯、聚丙烯丝束胶粘剂、白乳胶、热熔胶等8种滤嘴用卷烟材料中铅的测定方法—石墨炉原子吸收光谱法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。