WO2013182013A1 - 一种聚酯合成复合催化剂的制备方法 - Google Patents
一种聚酯合成复合催化剂的制备方法 Download PDFInfo
- Publication number
- WO2013182013A1 WO2013182013A1 PCT/CN2013/076580 CN2013076580W WO2013182013A1 WO 2013182013 A1 WO2013182013 A1 WO 2013182013A1 CN 2013076580 W CN2013076580 W CN 2013076580W WO 2013182013 A1 WO2013182013 A1 WO 2013182013A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound
- titanium
- tin
- organic solvent
- polyester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
- B01J37/033—Using Hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/87—Non-metals or inter-compounds thereof
Definitions
- the invention belongs to the technical field of polyester synthesis catalysts, in particular to a titanium/silicon/tin composite catalyst which can be used as a polyester and copolyester esterification and polycondensation reaction. Background technique
- Polyester is a general term for polymers obtained by polycondensation of diols and dibasic acids. It is a kind of engineering plastic with excellent performance and wide application. It has important applications in the fields of film, bottle packaging and sheet.
- polyester catalyst has never stopped since the advent of polyester.
- catalysts such as ruthenium, osmium and titanium, which are mainly used in industrial production and research.
- the most commonly used catalysts are lanthanum catalysts (including Sb 2 ). 0 3 , SbAc 3 and ethylene glycol oxime, etc.).
- lanthanum catalysts including Sb 2 ). 0 3 , SbAc 3 and ethylene glycol oxime, etc.
- Today, 90% of the world's polyester is produced from lanthanide catalysts.
- the ruthenium catalyst has moderate activity and few side reactions, but it will be reduced and precipitated during the polyester synthesis process, making the polyester chips gray, increasing the pressure of the spinning assembly. In addition, it is a heavy metal catalyst, which will cause environmental pollution. Sustainable development requirements.
- the ruthenium catalyst has good stability, and the synthesized polyester product has good hue, but the ruthenium metal is expensive and the application has great limitations. Titanium catalysts have high activity and do not contain heavy metals. They are the most studied catalysts. The early use of inorganic salts or organic esters of titanium has poor stability and yellowing and turbidity. The limit.
- the grades are AC400, AC300, AC200 and AC240, etc.;
- CN1138339 discloses a titanium-based polyester catalyst prepared by hydrolyzing titanate and silicate for hydrolysis, and CN1259969 discloses titanium prepared by coprecipitating titanate with a metal compound. It is a polyester catalyst.
- the object of the present invention is to provide a preparation method for a polyester synthesis composite catalyst, and the obtained solid catalyst not only has an effect on the polycondensation reaction of the polyester, but also has a good effect on esterification, and the obtained polyester chip hue is also better.
- the method of the present invention comprises the following steps:
- the titanium compound has the structural formula of TiOR 1 ⁇ wherein R 1 is an alkyl group having 2 to 4 carbon atoms;
- the silicon compound has the structural formula of Si(OR 2 ) 4 , wherein R 2 is an alkyl group having 2 to 4 carbon atoms;
- the tin compound is tin tetrachloride (SnCl 4 );
- the molar ratio of the silicon compound to the titanium compound is: 0.05-0.5: 1;
- the molar ratio of the tin compound to the titanium compound is 0.1 to 5:1.
- the organic solvent is selected from monohydric or polyhydric alcohols of 1 to 6 carbon atoms;
- the molar ratio of the organic solvent to the total molar amount of the titanium compound, the silicon compound and the tin compound is: 10 to 40:1.
- the molar ratio of the total molar amount of the organic solvent to the titanium compound, the silicon compound and the tin compound is preferably 15-20: L
- the titanium compound is selected from tetraethyl titanate, tetrapropyl titanate, tetraisopropyl titanate or tetrabutyl titanate.
- the silicon compound is selected from the group consisting of ethyl orthosilicate or butyl orthosilicate.
- the molar ratio of the titanium compound to the silicon compound is 0.06 to 0.1:1, and the molar ratio of the tin compound to the titanium compound is 0.5 to 1:1.
- the organic solvent is selected from the group consisting of decyl alcohol, ethanol, isopropanol, isobutanol, n-hexanol, ethylene glycol, butylene glycol, hexanediol or glycerol.
- the organic solvent is ethanol.
- the hydrolysis rate of the metal salt is regulated by adding an appropriate amount of an acidic compound or a basic compound, and the pH value of the aqueous solution is specifically quantified.
- the acidic compound includes various inorganic or organic acids, and the preferred inorganic acid is Phosphoric acid, hydrochloric acid or rock dangerous acid, the preferred organic acid is acetic acid.
- the basic compound is selected from the group consisting of ammonia water, sodium hydroxide or potassium hydroxide.
- the acidic compound aqueous solution has a pH of 1 to 4, and the basic compound aqueous solution has a pH of 11 to 14;
- the polyester synthesis of the present invention is a two-step process, that is, the synthesis of the polyester by a two-step reaction of esterification and polycondensation, specifically referring to the esterification reaction of a dicarboxylic acid and a glycol in the first step to obtain a prepolymer.
- the esterification temperature is 200 to 240. C, the reaction under normal pressure, the second step is a polycondensation reaction under vacuum conditions, the reaction temperature is 240 ⁇ 260 ° C, the pressure is 60 ⁇ 130 Pa, based on the total weight of the dibasic acid and the glycol, the catalyst
- the dosage is 200 - 250 ppm.
- the innovation of the present invention is as follows:
- the present invention adds a tin compound to a mixture of titanium and silicon for cohydrolysis, and the obtained catalyst is effective not only for the polyester polycondensation process but also for the esterification process.
- the obtained polyester has a good hue and has achieved good technical effects.
- the melt index of the products in each of the examples is determined by the national standard GB/T 3682-2000.
- the b value in Table 1 refers to the degree of blue to yellow in the CIE standard, which is an important index for evaluating the hue of the polyester. The lower the b value, the better the hue, and the measurement is carried out using the national standard GB/T 14190-93.
- the required raw materials and reagents are all commercially available products.
- Example 1 Solution A was obtained by dissolving 17 g (0.05 mol) of tetrabutyl titanate, 1.2 g (0.0058 mol) of tetraethyl orthosilicate and 6.5 g (0.025 mol) of tin tetrachloride in 86 ml of absolute ethanol. 9.0 g of an aqueous phosphoric acid solution having a pH of 1 was added to 86 ml of absolute ethanol to obtain a solution B. In the case of stirring, the solution B was added to the solution A, and the dropping time was half an hour, and the temperature was 15. C, a white precipitate was produced, and the mixture was stirred for 1 hour, centrifuged, and the precipitate was collected and washed 3 times, and finally at 70. Drying at C for 24 hours gave a composite catalyst Cat-1.
- Example 5 1.5 mol of terephthalic acid and 2.4 mol of butanediol were placed in a 2 L reactor, and a catalyst Cat-1 Ol lg, 220 ppm, was added to carry out an esterification reaction at a temperature of 220.
- C the pressure is normal pressure, and the water generated by the reaction is excluded by the fine servant device. After the end of the esterification, the pressure was reduced to a pressure of less than 130 Pa, and the reaction temperature was gradually increased to 255.
- C when the system reacts to the desired viscosity, the reaction is stopped, and the polyester P1 is obtained for testing.
- the test results are shown in Table 1.
- Comparative Example 1 A polyester was prepared by the same experimental procedure as in Example 5, wherein the catalyst was tetrabutyl titanate in an amount of 0.12 g, i.e., 250 ppm, to obtain a polyester B1 for testing. The test results are shown in Table 1.
- Example 2 a polyester was prepared by the same experimental procedure as in Example 9, wherein the catalyst was tetrabutyl titanate and butyl stannic acid in an amount of 0.12 g, 0.36 g, and the catalyst was used in a total amount of 1000 ppm to obtain a polyester. B2 is for testing use. The test results are shown in Table 1.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020147017421A KR101493996B1 (ko) | 2012-06-07 | 2013-05-31 | 폴리에스테르 합성 복합 촉매의 제조방법 |
| US14/360,893 US20140349842A1 (en) | 2012-06-07 | 2013-05-31 | Preparation method of polyester synthesis composite catalyst |
| SG11201402880TA SG11201402880TA (en) | 2012-06-07 | 2013-05-31 | Preparation method of polyester synthesis composite catalyst |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210186360.6 | 2012-06-07 | ||
| CN201210186360.6A CN102702497B (zh) | 2012-06-07 | 2012-06-07 | 一种聚酯催化剂的制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013182013A1 true WO2013182013A1 (zh) | 2013-12-12 |
Family
ID=46895576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/076580 Ceased WO2013182013A1 (zh) | 2012-06-07 | 2013-05-31 | 一种聚酯合成复合催化剂的制备方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20140349842A1 (zh) |
| KR (1) | KR101493996B1 (zh) |
| CN (1) | CN102702497B (zh) |
| SG (1) | SG11201402880TA (zh) |
| WO (1) | WO2013182013A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702497B (zh) * | 2012-06-07 | 2014-03-05 | 昆山天洋热熔胶有限公司 | 一种聚酯催化剂的制备方法 |
| CN114106309B (zh) * | 2021-12-13 | 2023-04-18 | 常州大学盱眙凹土研发中心 | 一种纳米钛系聚酯合成催化剂及其制备方法 |
| CN114672005B (zh) * | 2022-03-16 | 2024-06-11 | 中国石油化工股份有限公司 | 一种钛系复合催化剂及合成聚对苯二甲酸-共-己二酸丁二醇酯的方法 |
| CN114891195A (zh) * | 2022-04-13 | 2022-08-12 | 东华工程科技股份有限公司 | 一种用于催化生物降解共聚酯缩合的催化剂的制备方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10316749A (ja) * | 1997-05-16 | 1998-12-02 | Polyplastics Co | ポリエステル樹脂の製造方法 |
| CN1353730A (zh) * | 2000-02-08 | 2002-06-12 | 纳幕尔杜邦公司 | 酯化1,3-丙二醇的方法 |
| CN1450098A (zh) * | 2003-04-18 | 2003-10-22 | 上海华明高技术(集团)有限公司 | 聚酯与共聚酯的制备方法 |
| CN1552755A (zh) * | 2003-06-04 | 2004-12-08 | 中国石化集团天津石油化工公司 | 一种用于聚酯和共聚酯合成的钛系复合催化剂 |
| JP2004346222A (ja) * | 2003-05-23 | 2004-12-09 | Mitsui Chemicals Inc | ポリエチレンテレフタレートの製造方法 |
| KR20060018129A (ko) * | 2004-08-23 | 2006-02-28 | 에스케이케미칼주식회사 | 폴리에스테르 수지의 제조방법 및 이에 의하여 제조되는폴리에스테르 수지 |
| CN101367919A (zh) * | 2007-08-16 | 2009-02-18 | 广州金发科技股份有限公司 | 一种钛硅催化剂及其制备方法与应用 |
| CN102702497A (zh) * | 2012-06-07 | 2012-10-03 | 昆山天洋热熔胶有限公司 | 一种聚酯催化剂的制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4400300A1 (de) * | 1994-01-07 | 1995-07-13 | Akzo Nobel Nv | Verfahren zur Herstellung von film- und faserbildenden Polyestern und Copolyestern |
| JP3330613B2 (ja) * | 1995-03-14 | 2002-09-30 | 日鉄鉱業株式会社 | 表面に多層膜を有する粉体及びその製法 |
| AU8536498A (en) * | 1997-06-10 | 1998-12-30 | Akzo Nobel N.V. | Method for producing polyesters and copolyesters |
| US7300998B2 (en) * | 2002-02-14 | 2007-11-27 | Mitsui Chemicals, Inc. | Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins |
| JP4497863B2 (ja) * | 2002-08-09 | 2010-07-07 | キヤノン株式会社 | 金属酸化物を含有する膜及びその製造方法 |
| KR101026097B1 (ko) * | 2003-06-03 | 2011-03-31 | 미쓰비시 가가꾸 가부시키가이샤 | 폴리에스테르 제조용 촉매, 이를 이용한 폴리에스테르의제조 방법, 및 티탄 함유 폴리에틸렌 테레프탈레이트 |
| CN102225994A (zh) * | 2011-05-10 | 2011-10-26 | 浙江比例包装股份有限公司 | 合成聚酯共聚酯用纳米复合催化剂及聚酯和共聚酯合成方法 |
-
2012
- 2012-06-07 CN CN201210186360.6A patent/CN102702497B/zh active Active
-
2013
- 2013-05-31 WO PCT/CN2013/076580 patent/WO2013182013A1/zh not_active Ceased
- 2013-05-31 US US14/360,893 patent/US20140349842A1/en not_active Abandoned
- 2013-05-31 SG SG11201402880TA patent/SG11201402880TA/en unknown
- 2013-05-31 KR KR1020147017421A patent/KR101493996B1/ko not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10316749A (ja) * | 1997-05-16 | 1998-12-02 | Polyplastics Co | ポリエステル樹脂の製造方法 |
| CN1353730A (zh) * | 2000-02-08 | 2002-06-12 | 纳幕尔杜邦公司 | 酯化1,3-丙二醇的方法 |
| CN1450098A (zh) * | 2003-04-18 | 2003-10-22 | 上海华明高技术(集团)有限公司 | 聚酯与共聚酯的制备方法 |
| JP2004346222A (ja) * | 2003-05-23 | 2004-12-09 | Mitsui Chemicals Inc | ポリエチレンテレフタレートの製造方法 |
| CN1552755A (zh) * | 2003-06-04 | 2004-12-08 | 中国石化集团天津石油化工公司 | 一种用于聚酯和共聚酯合成的钛系复合催化剂 |
| KR20060018129A (ko) * | 2004-08-23 | 2006-02-28 | 에스케이케미칼주식회사 | 폴리에스테르 수지의 제조방법 및 이에 의하여 제조되는폴리에스테르 수지 |
| CN101367919A (zh) * | 2007-08-16 | 2009-02-18 | 广州金发科技股份有限公司 | 一种钛硅催化剂及其制备方法与应用 |
| CN102702497A (zh) * | 2012-06-07 | 2012-10-03 | 昆山天洋热熔胶有限公司 | 一种聚酯催化剂的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140089445A (ko) | 2014-07-14 |
| CN102702497B (zh) | 2014-03-05 |
| CN102702497A (zh) | 2012-10-03 |
| US20140349842A1 (en) | 2014-11-27 |
| SG11201402880TA (en) | 2014-11-27 |
| KR101493996B1 (ko) | 2015-02-16 |
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