esterification

esterification

1. Heteropoly acids, Composite materials, Film catalyst, Esterification,Titanium dioxide, Photocatalysis, Photochromism.

01杂多酸;复合材料;膜催化剂;酯化;二氧化钛;光催化;光致变色

2. As a kind of widely used fine chemical,glyceryl triacetate was synthesized by esterification of glycerin with acetic acid.

三乙酸甘油酯是一种用途广泛的精细化工产品。

3. Both the free hydroxyl groups readily undergo esterification.

两个自由羟基,都容易酯化。

4. A method of simultaneously determination of reactant and product for esterification of Lphenylalanine was described.

为研究L-苯丙氨酸的甲酯化反应,需要寻找一种能同时对反应物和产物进行准确测定的分析方法。

5. Cross-linking and esterification both decreases the moisture absorption of CMD at extent of 26.5% and 12.1% respectively,while their synergistic extent is 33.7%.

交联和酯化作用都可以降低CMD的吸湿性,降幅分别为26.5%和12.1%,两者协同作用降幅为33.7%。

6. A new type of lauric acid's continuous esterification process is introduced.

介绍了一种新颖的脂肪酸乙酯常压连续生产工艺流程。

7. Treatment of "three wastes", process feature, and its result were given for producing diethyl malonate from chloroacetic acid by cyanation and esterification.

介绍了氯乙酸氰化酯化法生产丙二酸二乙酯时“三废”的治理工艺、技术特点及其效果。

8. The delustrant adding position was moved from slurry autoclave to second esterification autoclave.

介绍消光剂加入位置由浆料釜改为第二酯化釜的情况。

9. Diethyl methyl malonate was prepared by cyanidation, bydrolysis and esterification with 2?chloropropionic acid as raw material and o verall yield is 41%.

以2-氯丙酸为原料,经氰化、水解、酯化制得甲基丙二酸二乙酯,总收率41%.

10. Ethyl 4 bromo 2 butenoate,a medicine intermediate,was prepared using 2 butenoic acid as main raw material through esterification and bromination reactions.

以2丁烯酸为原料,通过酯化和溴代反应研制了药物中间体4溴2丁烯酸乙酯。

11. Based on CS3000 flatform,the design of esterification process simulation training system in PET production was expounded.

以CS3000为开发平台,阐述了聚酯生产中酯化过程模拟培训系统的设计。

12. Nd_2O_3 was used as catalyst for estrification of Acetic acid with propanol and discussed thevariant conditions in reaction of esterification.

以三氧化二钕为固体催化剂,实现了乙酸和丙醇的酯化反应,讨论了催化酯化的各种影响因素。

13. In this paper,it is reported that the esterification between dl lactic acid,dl tartaric acid and various alcohol are catalyzed by modified gnarl.

以乳酸与醇的酯化反应、酒石酸与醇的酯化反应及羧酸与环氧氯丙烷得开环酯化反应为模型反应,研究了改性片麻岩作为催化剂对上述反应的催化性能。

14. Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.

以对氨基水杨酸为原料,经酯化、酰化和烃化反应得乙氧苯酯,总收率为87.4%。

15. Zinc methanesulfonate is used as catalyst in the esterification of normal butyl alcohol with glacial acetic acid, which produce normal butyl acetate.

以甲烷磺酸锌作为催化剂,研究其催化正丁醇与冰乙酸反应生成乙酸正丁酯中各种因素对酯化率的影响。

16. Enoxaparin sodium was prepared from heparin sodium via salinization, esterification, depolymerization and purification.

以肝素钠为原料,经成盐、酯化、解聚和纯化得到依诺肝素钠。

17. A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.

以重氮甲烷为酯化剂,用气相色谱法对氯乙酸生产的中控分析进行了研究。

18. Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso-amyl alcohol in liquid phase.

以钨锗杂多酸为催化剂,对肉桂酸与异戊醇的液相酯化反应进行了研究。

19. SIPM wassynthesised by sulphonate,esterification,salinization from m phthalic acid,the overyield is82 6% .

以间苯二甲酸为原料,经磺化,酯化,盐析得98%含量的间苯二甲酸二甲酯5磺酸钠,总收率826%。

20. Traditional ketal, esterification industrial use of concentrated sulphuric acid as a catalyst.

传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂。

21. High performance rosin esters were produced by esterification reaction of pentaerythritol and toll oil rosin which was purified by reduced pressure distillation.

使用普通塔尔油松香和经过减压蒸馏纯化的精制塔尔油松香为原料,适当加入复合添加剂,通过酯化反应制得优质塔尔油松香改性树脂。

22. Esterification of fumaric acid with catalysts,isomerization of maleic acid and maleate with catalysts were investigated.

催化剂包括酯化催化剂和异构化催化剂,分别催化富马酸的酯化和马来酸(酯)的异构化。

23. Catalytic rectification process will play an important role in improving technology level and economic benefits in esterification product industries.

催化精馏技术应用于酯化行业生产,对提高酯化行业的技术水平和经济效益具有积极意义。

24. The effect of the concentration, the alkalization temperature and time on the esterification degree of the cellulose sulfonate are discussed.

分析了碱化过程中氢氧化钠的浓度和温度、碱化时间对纤维素黄酸酯酯化度的影响。

25. Technological conditions of combination of esterification and WPC treatments were studied.

初步研究了酯化与塑合木相结合的杨木改性处理工艺条件。

26. Candida rugosa lipase can be used to enrich the isomer of c9,t11-CLA by a two-step selective esterification.

利用假丝酵母脂肪酶两步选择性酯化可以提高c9,t11-共轭亚油酸异构体的含量。

27. The chemical method include treating with sulfuric acid,saponification,acylation, esterification, etc.

化学方法包括酸洗法、皂化法、酰化法和酯化法等。

28. When zinc oxide is used,the esterification temperature, the energy consumption and the side reactions can be reduced remark ablv.

发现以氧化锌代替氢氧化钠作催化剂可以显著降低酯化温度,减少能耗和氧化副反应,有明显的优越性。

29. By the chemical nature, the chlorophyll is Green Leaf acid can occur Chlorophyllin is one was by another by esterification.

叶绿酸是双羧酸,其中一个羧基被甲醇所酯化,另一个被叶醇所酯化。

30. Rate and efficiency of serif iux esterification were enhanced by means of enzymatic reaction.

同时,摸索出黄浆水中各种酯化因素的最佳参数,黄浆水酯化液在生产中的应用方法等。

31. The effects of 1, 2, 4, 5-benzenetetracarboxylic acid dianhydride introduced during the esterification process were also investigated.

同时研究了酯化过程中引入的均苯四酸二酐的作用。

32. Solid acid catalyst can be substituted for sulphuric acid as esterification catalyst.

固体酸催化剂是能够代替硫酸作为酯化的催化剂。

33. FIG. 1 illustrates a flow diagram embodiment of the esterification process of this invention.

图1.举例说明了酯化工艺产品化的一个流程图。

34. The esterification was 96.1%.Under the optimum condition,the yield of allyl caproate could reach 89.4%.

在此条件下,其酯化率为96.1%,产物收率为89.4%。

35. In the esterification with fluorous solvent, the reflux temperatures were much lower.

在氟溶剂中的酯化反应回流温度有较大幅度的下降。

36. Compound powder binder is produced by special treatment using main raw strarch of more than 80% branch chain and esterification starch with good water resistant.

复合粉粘结剂,系以含支链>80%的淀粉为主要原料,经特殊工艺处理,再复合拒水性好的酯化淀粉;

37. The rate of hydrolysis is for the most part significantly lower than the esterification rate.

多数情况下水解速度较酯化速度低得多。

38. Menthanol ester of chiral chrysanthemic acid was obtained via stereoselective esterification of the racemic acid, and the result was analyzed by MOPAC.

孟醇与过量外消旋菊酰氯反应表现出非对映异构体选择性,得到了光学活性菊酸的L-孟醇酯。

39. It was founded from experimentally th at the reaction temperature is the most important parameter determining the shift of esterification equilibrium.

实验发现反应(分离)温度是影响酯化反应化学平衡移动的最重要因素。

40. It was founded from experimentally that the reaction temperature is the most important parameter determining the shift of esterification equilibrium.

实验发现反应(分离)温度是影响酯化反应化学平衡移动的最重要因素。

41. The exptl. results demonstrated that dodecylbenzenesulfonic acid could be used as the catalyst for starch esterification.

实验结果表明:十二烷基苯磺酸可以作为淀粉酯化的催化剂。

42. The results show that strongly acidic cationic exchange resin has perfect effect on catalyzing methyl esterification of fatty acid in deodorizer distillate.

实验表明,强酸性树脂对脂肪酸甲酯化反应有着很好的催化效果。

43. Esterification method in aqueous phase(EMAP) can be used for the reaction of benzoic acid from cracking and oxidation of p -cymene with dimethyl sulfate.

对伞花烃裂解氧化产物苯甲酸与硫酸二甲酯的反应可以采用水相酯化法。

44. The process for the esterification and transesterification of waste restaurant grease catalyzed by solid KHSO4 was studied in this paper.

对固体酸性催化剂KHSO4催化地沟油的酯化及转酯化反应进行了研究。

45. This paper studies the natural rosin modification fortified and esterified.The best fortification and degree of esterification of rosin on secondary fiber were discussed.

对天然松香进行强化和酯化改性,确定了再生纸浆用的松香的最佳加成量和酯化度。

46. The effect of various esterification method, composition of catalysts and molecular weight of polyether on defoam ability were also studied.

并对酯化方法(包括催化剂的选择)和聚醚的分子量等进行了研究。

47. Preparation of Polyester varnish can be made by means of dissociation, esterification and polycondensation of waste polyester beverage bottle.

废聚酯饮料瓶经裂解、酯化、缩聚可制成聚酯漆。

48. The paper summarizes the development of esterification reaction in this country and reports some common ways of esterification and its future trend.

总结了近几年来国内酯化反应的发展过程,报道几类常用酯化方法及其发展趋势。

49. Abstract: Polycarboxylic acids acted as esterification agents and inorganic salts acted as catalyst in the wood crosslinking reaction.

摘 要: 本研究要用以多元羧酸为酯化剂,以无机盐为催化剂的交联体系。

50. Abstract: The kinetics of esterification of linalool with acetic anhydride was studied.

摘 要: 研究了芳樟醇与乙酸酐酯化反应动力学。

51. As a kind of widely used fine chemical, glyceryl triacetate was synthesized by esterification of glycerin with acetic acid.

摘要三乙酸甘油酯是一种用途广泛的精细化工产品。

52. The waste heat of the esterification vapor was used to make refrigeration so that the chilled water need in the production process can be obtained.

摘要介绍了利用酯化蒸气进行制冷,获得生产过程中所需的冷冻水的方法。

53. The direct application of recovered EG generated in polymerization plant stop running to esterification start-up was introduced.

摘要介绍了聚酯装置停车所回收的EG在酯化开车中的直接应用。

54. Use lactose as the raw material, the (s)-3-hydroxybutyrolactone was obtained through reaction steps of decomposition, esterification, protection of function group, acidification.

摘要以乳糖为原料以分解酯化、官能团保护、酸化制得目标化合物。

55. The conversion, the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process.

摘要催化精馏技术应用于酯化反应体系,提高了反应的转化率、原材料利用率和产品收率。

56. The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products, and the routes were optimized.

摘要研究了环酐与苯胺和苯酚的酰胺化及酯化反应,优化了酰胺化及酯化反应条件。

57. In present study, butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.

摘要考察了催化剂和反应时间对丁酰化反应的影响。

58. The esterification reactions of rosin with ethanol, ethane glycol and glycol under the irradiation of microwave and ultrasound have been investigated in the present paper.

摘要该文对在微波和超声波辐照下的松香与醇的酯化反应进行研究。

59. The products of esterification are widely applied as solvent, plasticizing agent, spice, food additive, emulsifying agent, dispersant agent, and antioxygen.

摘要酯化反应的产物作为溶剂、增塑剂、香料、食品添加剂、乳化剂、分散剂、抗氧剂等而被广泛应用。

60. A simple method for methyl esterification of fish oil andfatty acids was established and compared with AOAC method.

改进了AOAC法介绍的油脂及脂肪酸的甲酯化方法,对样品中的二十碳五烯酸(EPA)和二十二碳六烯酸(DHA)进行了含量测定。

61. Abstract: A method of simultaneously determination of reactant and product for esterification of L-phenylalanine was described.

文摘:为研究L-苯丙氨酸的甲酯化反应,需要寻找一种能同时对反应物和产物进行准确测定的分析方法。

62. The article researched that the esterification of acetic acid and n-butyl alcohol under the microwave radiation in reasonable power with iron trichloride as a catalyzer.

文章研究了用三氯化铁作催化剂,在一定功率微波辐射下乙酸和正丁醇的酯化反应。

63. The synthesis started from cinnamic acid,and the two steps were acylation and esterification,then the target compounds were gained.

方法:以桂皮酸为起始原料,经酰氯化、成酯等反应,得到目标化合物。

64. Methods The three steps (esterification, etherization and reduction) were changed for the first two steps (reduction and selected etherization).

方法为避免选择性醚化反应,将前两步(还原和选择性醚化)反应,重新设计和调整为三步反应,即酯化、醚化和还原反应。

65. METHODS Tropisetron hydrochloride was synthesized by steps of chlorination, esterification, and hydrochlorination.

方法以3-吲哚甲酸为起始原料,经氯代、酯化、成盐酸反应制得长烷司琼。

66. Method Valganciclovir was synthesized through esterification and hydrogenation, using ganciclovir as starting material.

方法以更昔洛韦为原料,经过酯化、还原两步反应得到目标物缬更昔洛韦。

67. METHODS Strontium ranelate was synthesized from citric acid via decarboxylation,esterification,cyclization,alkylation,hydrolysis and salification.

方法以枸橼酸为起始原料,经过脱羧、酯化、环合、烷基化、水解成盐等多步反应生成终产物雷尼酸锶。

68. METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification,aminization and condensation-cyclization.

方法以肉桂醇为原料,经酯化、氨化和缩合-环合而得。

69. On the other hand, the morphology characteristics of the composites showed that the esterification treatment of the wood surface could improv...

木粉表面的酯化处理可以改善木塑界面之间的相容性和复合材料的均匀性。

70. The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.

本文介绍了羧酸酯化反应催化剂的研究进展。

71. The catalytic property of urushiol - metal polymers (USn, UMn, UTi,UNd,UCo and UAl)for esterification is preliminarily investigated.

本文报道某些漆酚金属聚合物催化乙酸-丁酸酯化反应的初步研究结果。

72. This paper studies the catalytic activity of sulfonated-polyvinyl chloride used in esterification,synthesis of acetals or ketols and rearrangement reaction of pinacol.

本文研究了磺化了聚氯乙烯在酯化、缩荃或缩酮的合同及呐重排反应中催化活性。

73. With mild reaction,no corrosion and no waste acid,the esterification is advantageous.

本法具有操作方便、反应温和、无腐蚀和无废酸排放等优点。

74. Polycarboxylic acids acted as esterification agents and inorganic salts acted as catalyst in the wood crosslinking reaction.

本研究要用以多元羧酸为酯化剂,以无机盐为催化剂的交联体系。

75. Pentaerythritol ester of gum rosin are made from gum rosin through esterification with pentaerythritol light color stabilizing process etc. used in adhesives,rubber products.

松香季戊四醇酯为松香经脱色、酯化和稳定化等工艺研制而成;应用于粘合剂、橡胶行业。

76. Gum rosin glyceride are made from gum rosin or refined gum rosin through esterification with glycerol; Used in pressure sensitive adhesives, adhesives, rubber products, etc.

松香甘油酯为松香或浅色松香经甘油酯化而成;应用于压敏胶、粘合剂、橡胶等行业。

77. Aminoethyl alcohol can be selectively acylated to offer N-hydroxylethyl benzamide without any esterification product.

树脂3可以有选择性地酰化乙醇胺中的氨基而不会使羟基酰化。

78. The phytosterol esters (PE) are the esterification products of phytosterols, its lowering cholesterol effect is better than the later.

植物甾醇酯(PE)是它的酯化产物,具有比植物甾醇更优的脂溶和更佳的降血胆固醇效果。

79. It has been found that ferric chloride was superior to H2SO4 when used as catalyst for esterification of ethyl alcohol with sebacic acid.

氯化铁作为癸二酸和乙醇的酯化催化剂,性能优于硫酸。

80. Lipase catalyzed esterification of organosilyl alcohol with fatty acid in microaqueous phase was studied.

水含量对有机相中脂肪酶催化有机硅烷醇与戊酸的酯化反应有显著的影响。

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