WO2012057370A1 - 에테르화 반응용 금속산화물 촉매, 그 촉매의 제조방법, 및 그 촉매를 이용한 선형 폴리글리세린의 제조방법 - Google Patents
에테르화 반응용 금속산화물 촉매, 그 촉매의 제조방법, 및 그 촉매를 이용한 선형 폴리글리세린의 제조방법 Download PDFInfo
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- WO2012057370A1 WO2012057370A1 PCT/KR2010/007346 KR2010007346W WO2012057370A1 WO 2012057370 A1 WO2012057370 A1 WO 2012057370A1 KR 2010007346 W KR2010007346 W KR 2010007346W WO 2012057370 A1 WO2012057370 A1 WO 2012057370A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/007—Mixed salts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/06—Washing
Definitions
- the present invention relates to metal oxide catalysts used in the etherification of glycerin to produce linear polyglycerols and to methods for producing such catalysts.
- the present invention also relates to a method for producing linear polyglycerol in a high content using the metal oxide catalyst.
- the linear polyglycerols diglycerin, triglycerine, tetraglycerin, hexaglycerin and decaglycerin are used as raw materials for esterification with fatty acids and transesterification reactions with fatty acid esters.
- the polyurethane foam is used as a raw material for condensation with alkyd resin through many hydroxyl groups of polyglycerol.
- it is used as a high-grade emulsifier to control the balance of lipophilic and hydrophilicity of polyglycerol in the pharmaceutical industry, cosmetics industry and food industry, and since it is a raw material derived from vegetable oil, the amount of use is greatly increased due to environmental friendliness and nontoxicity. It is also used as a fabric softener, humectant, thickener, antifoaming agent, dispersant and lubricant.
- polyglycerol products obtained by distillation residues of glycerin polyglycerols obtained by general liquid acids or base catalysts, and polymerization of epichlorohydrin or glycidol and glycerin are cyclic low molecular weight compounds due to intramolecular dehydration.
- polyglycerols have a molecular weight in the range of hundreds to thousands, and have a very high proportion of cyclic structures produced by the departure of one to several water molecules in the polyglycerol molecule.
- polyglycerols containing a large number of cyclic polyglycerols not only impair hydrophilic properties and the like, but also polyglycerol fatty acid esters obtained from these polyglycerols and fatty acids are known to lower various properties such as water solubility and surface activity. Accordingly, various methods for reducing the content of cyclic polyglycerol and increasing the content of linear polyglycerol in the manufacturing process of polyglycerol, or methods for purifying and using the prepared polyglycerol reactants have been studied in various ways.
- EP 033984 A1 discloses a method for industrially preparing diglycerin in polyglycerol by reacting glycerin with glycidol or epichlorohydrin.
- the reaction disclosed in the above patent is not selective, and it is difficult to handle the reactants glycidol and epichlorohydrin, and there are many problems in the manufacturing process of diglycerin, such as the need to remove chlorine contained in the polyglycerol product. There is a problem that there is and economical low.
- linear polyglycerols such as diglycerin and triglycerine by etherifying glycerin with an alkali catalyst such as caustic soda
- an alkali catalyst such as caustic soda
- polyglycerol is synthesized using an alkali catalyst in an anhydrous solvent of 100 ° C. or higher, diluted with the addition of water, and decolorized by adding a decolorizing agent at 100 ° C. or lower.
- the polyglycerols prepared by these methods have a high content of cyclic polyglycerols, making it difficult to separate and purify the linear polyglycerols, and require post-neutralization of the alkali catalyst, thus complicating the post-treatment step and reducing the yield of the linear polyglycerols. There is a problem.
- U.S. Patent No. 5,349,094 uses 2.4 wt% of zeolite NaA, zeolite NaX, etc. as a catalyst, and reacts at 240 ° C. for 22 hours.
- glycerin content is 15.4 wt%, diglycerin 32.3 wt%, and triglycerine 20.5 wt%.
- the product of 31.8 weight% of high glycerin polyglycerol more than tetraglycerol was obtained.
- this reaction has the advantage of relatively high conversion rate and the wide distribution of selectivity of polyglycerol, but the disadvantage that the polyglycerol discolored and odor due to the increase in the content of the cyclic polyglycerol and prolonged reaction.
- a method for preparing polyglycerol by adding a phosphoric acid catalyst to glycerin or polyglycerol and then reacting glycidol at 115 to 125 ° C. Japanese Patent Publication No. Hei 5-1291
- a process for preparing polyglycerin to polycondensate glycerin while boiling the reaction mixture in JP-A-7-216082
- poly-reacting polyglycerol by adding only glycidol without using glycerin as an initiator in the presence of an alkali metal halide.
- Process for preparing glycerin Japanese Patent Laid-Open No.
- a hydrotalcite catalyst having a composition ratio of Mg 6 Al 2.04 Si 1.95 was synthesized and used in an amount of 5% by weight, and reacted at 240 ° C. for 28 hours. It is disclosed that a product of 52% by weight, 30% by weight of linear diglycerin, 11% by weight of linear triglycerine, 4% by weight of a high molar number of linear polyglycerine or 1% by weight of cyclic polyglycerol can be obtained.
- the above method can reduce the content of the cyclic polyglycerol, but the conversion rate of glycerin is low, the reaction time is still long, and in the preparation of high mole polyglycerols such as nucleated glycerin, the reaction is at least 30 hours. There is a disadvantage that the polyglycerol is discolored and the odor must be removed.
- US Patent No. 6,620,904 was able to reduce the reaction time to 15 hours by promoting the dehydration by performing the reaction under reduced pressure of 150 mmHg instead of the conventional atmospheric pressure reaction.
- 0.1 wt% of calcium hydroxide [Ca (OH) 2 ] was used as the catalyst and the reaction was carried out at 230 ° C. under a reduced pressure of 150 mmHg for 15 hours.
- the content of glycerin was 43% by weight and 33% by weight of linear diglycerin.
- the product of 14 weight% of linear triglycerols, 7 weight% of high polyhydric linear polyglycerol or more, and 2.3 weight% of cyclic polyglycerols were obtained.
- the reaction time was shortened and the reaction temperature was lowered to reduce the discoloration and odor of the polyglycerol.
- cyclic polyglycerol is relatively high as 30 wt% of linear polyglycerol and 4.5 wt% of cyclic polyglycerol of tetraglycerol or more.
- reaction time is short, but high selectivity to produce a linear polyglycerol having a desired average degree of polymerization under mild reaction conditions in a high yield and suppress the formation of cyclic polyglycerol Catalysts with properties are required.
- the durability of the catalyst can be increased by increasing the activity of the catalyst depending on the components to be mixed.
- the economic efficiency can be improved by developing a high-molecular number catalyst using a plurality of components that can use the existing equipment.
- the present inventors have developed a catalyst for preparing polyglycerol disclosed in the Republic of Korea Patent No.0981040 developed by the present inventors, and a catalyst of a high mole number in which a plurality of components are mixed, unlike the catalyst described above. While increasing the stability to the conventional linear polyglycerol to solve the problems in the preparation of the above.
- a basic metal oxide catalyst prepared by the method of synthesizing the catalyst precursor having a hydrotalcite structure and using the same has a linear poly-polyunsaturated polycarbonate, which greatly increases the basicity and stability of the polyglycerol synthesis reaction.
- the present invention was completed by confirming that the yield of glycerin increased, the cyclic polyglycerine decreased, and the discoloration and the occurrence of odor were suppressed.
- the present invention provides a basic three-component metal oxide catalyst for etherification reaction of glycerin represented by the following formula (1).
- CaO is calcium oxide
- CaLaAl 3 O 7 is calcium aluminum lanthanum oxide
- La 2 O 3 is lanthanum oxide
- a and b and c are calcium oxide (CaO), based on 100 parts by weight of the catalyst, It means a weight ratio of calcium aluminum lanthanum oxide (CaLaAl 3 O 7 ) and lanthanum oxide (La 2 O 3 ).
- a is in the range of 30 to 80, b is in the range of 10 to 60, c is preferably in the range of 1 to 30, more preferably a is in the range of 40 to 70, b is in the range of 20 to 50, c ranges from 2 to 20.
- It provides a method for producing the metal oxide catalyst comprising a.
- the present invention provides a method for producing a polyglycerol, characterized in that the metal oxide catalyst is used as a catalyst for the etherification reaction in the method for producing a polyglycerol by etherification of glycerin.
- the basic three-component metal oxide catalyst of the present invention in the etherification reaction of glycerin, it has a high basicity and high reaction stability, so the reaction time of the reactants is short, and side reactions are suppressed, thereby preventing discoloration and odor generation of the product, and a mild reaction. Even under conditions, it is possible to suppress the production of cyclic polyglycerol and to obtain a high content of linear polyglycerol. Therefore, the catalyst of the present invention can be usefully used in the preparation of polyglycerol suitable for cosmetics or food additives.
- Example 1 is an X-ray diffraction analysis of the metal hydroxide of the hydrotalcite structure prepared in Example 1 of the present invention.
- Example 2 is an X-ray diffraction analysis of the metal oxide powder after firing in Example 1 of the present invention.
- Figure 3 is a diagram showing the content of linear and cyclic polyglycerol of hexaglycerin (average degree of polymerization 6) synthesized using a basic three-component metal oxide catalyst according to the present invention.
- Figure 4 is a diagram showing the content of linear polyglycerol and cyclic polyglycerol of hexaglycerin (average degree of polymerization 6, Polyglycerin # 500) manufactured by Sakamoto.
- FIG. 5 is a diagram showing the content of linear polyglycerol and cyclic polyglycerol of decaglycerin (average degree of polymerization 10) synthesized using a basic three-component metal oxide catalyst according to the present invention.
- Figure 6 is a diagram showing the content of linear polyglycerol and cyclic polyglycerol of decaglycerin (average degree of polymerization, Polyglycerin # 750) manufactured by Sakamoto.
- the present invention provides a basic three-component metal oxide catalyst for etherification reaction of glycerin represented by the following formula (1).
- CaO is calcium oxide
- CaLaAl 3 O 7 is calcium aluminum lanthanum oxide
- La 2 O 3 is lanthanum oxide
- a and b and c are calcium oxide (CaO), based on 100 parts by weight of the catalyst, It means a weight ratio of calcium aluminum lanthanum oxide (CaLaAl 3 O 7 ) and lanthanum oxide (La 2 O 3 ).
- a is in the range of 30 to 80, b is in the range of 10 to 60, and c is preferably in the range of 1 to 30. More preferably, a is in the range of 40 to 70, b is in the range of 20 to 50, and c is in the range of 2 to 20.
- CaO calcium oxide
- CaLaAl 3 O 7 calcium aluminum lanthanum oxide
- It provides a method for producing a metal oxide catalyst represented by the formula (1) comprising a.
- the step (1) is added to the aqueous solution of calcium salt, aluminum salt and lanthanum salt (A) to the aqueous solution of sodium chloride (C) with an alkaline precipitant aqueous solution (B) to form a hydroxide type particles.
- This is a step of co-precipitation.
- the calcium salt, aluminum salt and lanthanum salt which can be used in the present invention are not particularly limited as long as the object of the present invention is not impaired.
- water-soluble nitrate, hydrochloride, acetate, and the like can be used.
- the anion remaining after washing is effectively removed in the firing process, it can be used most preferably.
- sodium hydroxide, potassium hydroxide and the like can be used as the alkaline precipitant.
- the calcium salt, aluminum salt and lanthanum salt aqueous solution (A) concentration is 25 to 45% by weight
- alkaline precipitant aqueous solution (B) is adjusted to the range of 10 to 20% by weight
- the volume of these aqueous solutions (A) and aqueous solution (B) Is preferably the same.
- the pH of the slurry aqueous solution (D) is maintained at 9-12, and the pH is controlled by the amount of the precipitant aqueous solution (B) added.
- the pH of the slurry aqueous solution (D) exceeds 12
- a mixture of metal hydroxides, not hydrotalcite-type hydroxides is produced, and when the pH is lower than 9, precipitation of component elements such as calcium and aluminum is completely made. I do not lose.
- the temperature of the slurry aqueous solution (D) during coprecipitation is to be kept constant in the range of 15 ⁇ 30 °C to maintain the hydrogel form, the coprecipitation time is preferably 0.5 ⁇ 10 hours.
- the step (2) is a step of stirring the slurry aqueous solution (D) obtained in the step (1) at 40 ⁇ 80 °C 3 to 30 hours. As a result, crystals of the hydrotalcite structure are produced and grown.
- Hydrotalcite is an anionic clay having the characteristics of a layered double hydroxide, represented by the following formula (2).
- M 2+ is Ca 2+
- N 3+ is La 3+ or Al 3+
- a n- is CO 3 2-, NO 3 -, SO 4 2-, Cl -, OH -
- said x is 0.01-0.5, k is an integer of 0-20.
- the compound of the hydrotalcite-type structure is lanthanum is substituted to the aluminum component of the hydrotalcite of the formula (2), and some of the lanthanum is a structure attached or intercalated between the layers of calcium and aluminum components.
- divalent calcium, trivalent aluminum, and lanthanum are uniformly bonded at the atomic level, so that the dispersibility and uniformity of active metal components are very high, and some lanthanum is attached or intercalated to form a catalyst. Activity is further increased.
- stirring below 40 ° C restricts the formation and growth of crystals of the hydrotalcite-type compound, which leads to the formation of fine crystals of calcium, causing side reactions to form cyclic polyglycerols.
- crystal formation and growth of the compound having a hydrotalcite-type structure occur abruptly, resulting in non-uniformity of calcium crystals, thereby decreasing activity.
- step (3) is a step of obtaining a hydrotalcite-type metal hydroxide powder by separating, washing and drying the precipitate of step (2).
- the concentration of the cationic material is 1,000 ppm for the catalyst in the oxide state. It is preferable to make it below.
- the washed precipitate is dried at 100 to 120 ° C. for 5 to 30 hours and ground to a size of 5 to 100 micrometers in a grinder, or the precipitate is dried to a powder in a spray dryer.
- step (4) is a step of firing the hydrotalcite-type metal hydroxide powder obtained in step (3) at 400 to 800 ° C, preferably at 500 to 700 ° C for 2 to 6 hours.
- the firing temperature exceeds 800 °C calcium oxide particles are sintered and the catalytic activity is lowered, and when the firing temperature is less than 400 °C calcium oxide particles are incompletely generated and the conversion rate is lowered.
- the present invention provides a method for producing polyglycerol by etherification of glycerin, wherein the metal oxide catalyst of the present invention is used as a catalyst for etherification reaction. To provide.
- polyglycerol means tetraglycerin (average degree of polymerization 4), hexaglycerin (average degree of polymerization 6), decaglycerin (average degree of polymerization 10), icossaglycerin (average degree of polymerization 20) and higher small polymerized glycerin.
- the polyglycerol prepared by the method for producing polyglycerol contains more than 70% of linear polyglycerin, and the content of linear polyglycerin compared to commercially available polyglycerol (for example, Sakamoto Co., Ltd., Japan). It is at least 10% higher, is very densely distributed in the degree of polymerization, and has a very low discoloration and odor, making it suitable for cosmetics and food additives.
- the etherification reaction is preferably a slurry type reaction using a batch reactor.
- the reaction method can be used continuously in a batch reactor or several continuous flow stirred reactors (continuous flow stirred reactor).
- the metal oxide catalyst of the present invention in the etherification reaction is used in the range of 0.2 to 7.0 parts by weight, preferably 0.5 to 5.0 parts by weight with respect to 100 parts by weight of glycerin. If the amount of the catalyst exceeds 7.0 parts by weight, the content of the cyclic polyglycerol is greatly increased. If the amount of the catalyst is less than 0.2 parts by weight, the conversion rate is lowered, so that the reaction should occur under severe reaction conditions.
- the etherification reaction is carried out at 210 ⁇ 280 °C, preferably 220 ⁇ 260 °C.
- reaction temperature exceeds 280 °C polychromin and discoloration and odor is greatly increased, if the reaction temperature is less than 210 °C conversion rate is lowered and the reaction time is greatly increased.
- the etherification reaction is carried out by filling the reactor with a reactant and a catalyst, then removing oxygen and moisture from the reactor with nitrogen gas, and then raising the reactor to the reaction temperature.
- a solution and a solution B were added at the same flow rate for 1 hour while stirring the solution C into a 2L beaker equipped with a pH electrode, and the solution was adjusted to solution B such that the final pH of the dispersion was 11.
- the temperature was kept constant at 15 to 30 °C during the stirring, and stirring was performed for 2 to 6 hours.
- the aqueous slurry solution (D solution) obtained by the above procedure was stirred at 60 ° C. for 12 hours and filtered. 1,000 ml of deionized water was added, the dispersion was stirred and the filtration was repeated three times.
- the filtered hydroxide was dried at 100 ° C. for 10 hours. The dried hydroxide was ground to a size of 10 ⁇ 60 micrometers in a mill and analyzed by X-ray diffraction spectroscopy (XRD) to confirm that the compound of the hydrotalcite-type structure (Fig. 1).
- the hydroxide formula of the hydrotalcite-type structure may be represented as [Ca 2+ 0.75 Al 3+ 0.167 La 3+ 0.083 (OH) 2 ] [(NO 3 ⁇ ) 0.25 ⁇ kH 2 O].
- the dried powder was calcined in air at 600 ° C. for 6 hours.
- crystals of calcium oxide, calcium aluminum lanthanum oxide, and lanthanum oxide were confirmed (FIG. 2).
- Example 1 Except for changing the catalyst composition in Example 1 was prepared in the same sample and method. In the same manner as in Example 1, the result of the X-ray diffraction spectroscopy (XRD) analysis showed that the compound was hydrotalcite-type structure, and calcium oxide, calcium aluminum lanthanum oxide, and lanthanum oxide crystals were confirmed.
- the hydroxide formula of the hydrotalcite-type structure may be represented as [Ca 2+ 0.67 Al 3+ 0.22 La 3+ 0.11 (OH) 2 ] [(NO 3 ⁇ ) 0.33 kH 2 O].
- the etherification reactor used a batch reactor equipped with a stirring speed controller, a nitrogen feeder, a packed column, a reflux separator, a temperature controller, a heater and a recoverer. After adding 1,000 g of glycerin to the reactor, 30 g of the catalyst prepared in Example 1 was charged. Then, nitrogen gas was supplied to the reactor to replace the reactor with nitrogen, and the reactor was heated to 240 ° C. and reacted for 20 hours. After the reaction, a sample of the product was taken and filtered to remove the catalyst.
- the polyglycerol sample obtained by distilling the product at 200 ° C. and 4 mmHg with a reduced pressure distillation after 20 hours was analyzed by LC / MS [Liquid chromatography / Mass spectrometer].
- the content of linear polyglycerol was 94.5%
- the content of cyclic polyglycerine was 5.5%.
- Detailed content distribution according to the degree of polymerization of polyglycerol is shown in FIG.
- the color of the resulting polyglycerin was transparent to APHA 50 or less.
- Hexaglycerin was prepared in the same manner as in Experiment 1 except that the catalyst of Example 2 was used. Polyglycerol samples were analyzed for content by LC / MS. As a result, the content of linear polyglycerol was 93.3%, and the content of cyclic polyglycerine was 6.7%. In addition, the color of the resulting polyglycerin was transparent to APHA 50 or less.
- the metal oxide catalyst of the present invention was prepared according to the method of Example 1 by changing the mass of calcium nitrate, aluminum nitrate, and lanthanum nitrate used to adjust a, b and c values. Each prepared catalyst was used as a catalyst for the etherification reaction according to Experimental Example 1, and the reaction results after the reaction 20 hours are shown in Table 1.
- fine control of the three-component catalyst composition is important for the selectivity of linear polyglycerol.
- Example 2 As in Experiment 1, the catalyst of Example 1 was used, but 40 g of the catalyst was charged and the reactor was heated to 240 ° C. for 24 hours. Polyglycerol samples were analyzed for content by LC / MS. As a result, the content of the linear polyglycerol was 75.4%, the cyclic polyglycerol was 24.6%, and the content distribution according to the degree of polymerization of the detailed polyglycerol is shown in FIG. 5.
- the linear hexaglycerin can be prepared by 93% by weight or more, and the linear decaglycerin by 75% or more from glycerin.
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Abstract
Description
촉매조성(중량%) | 생성물 조성(중량%) | ||
선형 폴리글리세린 | 고리형 폴리글리세린 | ||
비교예 1 | CaO(32)·CaLaAl3O7(63)·La2O3(5) | 73.3 | 26.7 |
비교예 2 | CaO(30)·CaLaAl3O7(35)·La2O3(35) | 56.4 | 43.6 |
Claims (9)
- 하기 화학식 1로 표시되는 글리세린의 에테르화 반응용 염기성 3성분계 금속산화물 촉매.화학식 1(CaO)a·(CaLaAl3O7)b·(La2O3)c상기 화학식 1에서, CaO는 칼슘산화물이고, CaLaAl3O7는 칼슘알루미늄란타늄산화물이며, La2O3는 란타늄산화물이고, a와 b 및 c는 촉매 총 100 중량부에 대한 칼슘산화물(CaO), 칼슘알루미늄란타늄산화물(CaLaAl3O7), 및 란타늄산화물(La2O3) 성분의 중량비를 의미한다.
- 제 1 항에 있어서, 상기 화학식 1에서 a는 30 ~ 80 범위이고, b는 10 ~ 60 범위이고, c는 1 ~ 30 범위인 것을 특징으로 하는 금속산화물 촉매.
- (1) 칼슘염과 알루미늄염 및 란타늄염이 용해된 수용액과 알칼리성 침전제수용액을 염화나트륨 수용액에 가하여 혼합금속 수산화물 형태의 침전물을 생성하는 단계;(2) 침전물의 생성 후 40 ~ 80℃에서 교반하는 단계;(3) 침전물을 분리, 세정 및 건조하여 하이드로탈사이트형 금속 수산화물 분말을 얻는 단계; 및(4) 상기 금속 수산화물 분말을 400 ~ 800℃로 공기 중에서 소성하는 단계를 포함하는 것을 특징으로 하는 제1항의 화학식 1로 표시되는 금속산화물 촉매의 제조방법.
- 제3항에 있어서, 상기 (1)단계에 의해 제조된 혼합 용액의 pH가 9 ~ 12 범위로 유지되는 것을 특징으로 하는 제조방법.
- 제3항에 있어서, 상기 (1)단계에 의해 제조된 혼합 용액의 온도가 15 내지 30℃로 유지되는 것을 특징으로 하는 제조방법.
- 글리세린을 에테르화 반응시켜 폴리글리세린을 제조하는 방법에 있어서, 제1항의 화학식 1로 표시되는 금속산화물 촉매를 에테르화 반응에 사용하는 것을 특징으로 하는 폴리글리세린의 제조방법.
- 제6항에 있어서, 상기 제조되는 폴리글리세린은 테트라글리세린, 헥사글리세린, 데카글리세린, 이코사글리세린 및 고급 소중합 글리세린으로 이루어진 군으로부터 어느 하나인 것을 특징으로 하는 폴리글리세린의 제조방법.
- 제6항에 있어서, 상기 금속산화물 촉매는 글리세린 100 중량부에 대하여 0.2 ~ 7.0 중량부 범위로 사용되는 것을 특징으로 하는 폴리글리세린의 제조방법.
- 제6항에 있어서, 상기 에테르화 반응은 200 ~ 250℃에서 수행되는 것을 특징으로 하는 폴리글리세린의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2010/007346 WO2012057370A1 (ko) | 2010-10-25 | 2010-10-25 | 에테르화 반응용 금속산화물 촉매, 그 촉매의 제조방법, 및 그 촉매를 이용한 선형 폴리글리세린의 제조방법 |
JP2013534788A JP2014501602A (ja) | 2010-10-25 | 2010-10-25 | エーテル化反応用金属酸化物触媒、その触媒の製造方法、およびその触媒を利用した直鎖状ポリグリセリンの製造方法 |
KR1020107024084A KR20130096772A (ko) | 2010-10-25 | 2010-10-25 | 에테르화 반응용 금속산화물 촉매, 그 촉매의 제조방법, 및 그 촉매를 이용한 선형 폴리글리세린의 제조방법 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109666140A (zh) * | 2019-01-16 | 2019-04-23 | 浙江昊唐实业有限公司 | 一种复合碱催化的甘油的聚合工艺 |
CN113801310A (zh) * | 2021-09-24 | 2021-12-17 | 广东产品质量监督检验研究院(国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室) | 一种三组分催化引发体系催化剂及其应用 |
Families Citing this family (1)
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KR101810646B1 (ko) * | 2015-12-30 | 2017-12-20 | 한국과학기술연구원 | 직쇄형 폴리글리세롤의 제조방법 |
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KR20050084009A (ko) * | 2002-11-28 | 2005-08-26 | 다이셀 가가꾸 고교 가부시끼가이샤 | 폴리글리세린, 폴리글리세린 지방산 에스테르, 및 이들의제조 방법 |
US20070238905A1 (en) * | 2006-04-05 | 2007-10-11 | Victor Manuel Arredondo | Processes for converting glycerol to glycerol ethers |
US20080306211A1 (en) * | 2007-02-06 | 2008-12-11 | Cargill, Incorporated | Process for prepapring polycerol and mixed ethers |
KR100981040B1 (ko) * | 2008-10-13 | 2010-09-10 | 주식회사 케이씨아이 | 에테르화 반응용 금속산화물 촉매, 이 촉매의 제조방법, 및이 촉매를 이용한 선형 폴리글리세롤의 제조방법 |
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- 2010-10-25 WO PCT/KR2010/007346 patent/WO2012057370A1/ko active Application Filing
- 2010-10-25 KR KR1020107024084A patent/KR20130096772A/ko not_active Application Discontinuation
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KR20050084009A (ko) * | 2002-11-28 | 2005-08-26 | 다이셀 가가꾸 고교 가부시끼가이샤 | 폴리글리세린, 폴리글리세린 지방산 에스테르, 및 이들의제조 방법 |
US20070238905A1 (en) * | 2006-04-05 | 2007-10-11 | Victor Manuel Arredondo | Processes for converting glycerol to glycerol ethers |
US20080306211A1 (en) * | 2007-02-06 | 2008-12-11 | Cargill, Incorporated | Process for prepapring polycerol and mixed ethers |
KR100981040B1 (ko) * | 2008-10-13 | 2010-09-10 | 주식회사 케이씨아이 | 에테르화 반응용 금속산화물 촉매, 이 촉매의 제조방법, 및이 촉매를 이용한 선형 폴리글리세롤의 제조방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109666140A (zh) * | 2019-01-16 | 2019-04-23 | 浙江昊唐实业有限公司 | 一种复合碱催化的甘油的聚合工艺 |
CN109666140B (zh) * | 2019-01-16 | 2021-11-09 | 溧阳市精卫新型材料有限公司 | 一种复合碱催化的甘油的聚合工艺 |
CN113801310A (zh) * | 2021-09-24 | 2021-12-17 | 广东产品质量监督检验研究院(国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室) | 一种三组分催化引发体系催化剂及其应用 |
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KR20130096772A (ko) | 2013-09-02 |
JP2014501602A (ja) | 2014-01-23 |
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