WO2004007565A1 - ブテンオリゴマーの製造方法 - Google Patents
ブテンオリゴマーの製造方法 Download PDFInfo
- Publication number
- WO2004007565A1 WO2004007565A1 PCT/JP2003/008923 JP0308923W WO2004007565A1 WO 2004007565 A1 WO2004007565 A1 WO 2004007565A1 JP 0308923 W JP0308923 W JP 0308923W WO 2004007565 A1 WO2004007565 A1 WO 2004007565A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fraction
- oligomer
- butene
- hydrogenation
- catalyst
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/56—Addition to acyclic hydrocarbons
- C07C2/58—Catalytic processes
- C07C2/62—Catalytic processes with acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/03—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of non-aromatic carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/08—Butenes
Definitions
- the present invention relates to an improvement in a method for producing a butene oligomer. More specifically, the present invention relates to a method for efficiently producing a butene oligomer having no odor and having excellent oxidation stability. Height
- Butenoligoma has an average molecular weight of 150 to 2 obtained by polymerization using the remaining fraction obtained by extracting butadiene from the C4 fraction generated by naphtha decomposition (butane butene mixed fraction) as a raw material. It is about 500 liquid polymer.
- butene oligomers are excellent in electrical properties, stability, miscibility, water resistance, gas and water vapor permeation resistance, etc., for example, electrical insulating materials, adhesives, lubricant bases, waterproofing agents, greases It is widely used in applications such as viscosity index improvers, sealing compounds, waxes, solvents, or rubber and resin modifiers.
- a method for producing the butene polyol for example, a method in which a raw material consisting of a butane butene fraction is passed through a slurry in which a Frydell's Kraft catalyst such as anhydrous aluminum chloride is suspended.
- a method of contacting with a solid catalyst composed of dry chlorinated alumina Japanese Patent Application Laid-Open No. 57-82325
- a method of contacting with a solid catalyst such as fluorinated alumina, alumina boron, or silicic alumina
- the butene oligomers obtained by these methods generally have a strong odor and, in addition, have an olefinic double bond in the molecule, and thus have disadvantages such as poor oxidation stability. Therefore, depending on the application, for example, when used as a solvent or a lubricating oil base, improvement of odor and oxidation stability has been strongly desired. It is disclosed that the odor is deodorized using, for example, a silica-alumina adsorbent (Japanese Patent Publication No. 60-124602), but in this case, the oxidation stability is insufficient. Minutes. If the oxidative stability is poor, the odor worsens during storage due to the esters formed by the oxidative reaction. Disclosure of the invention
- the present inventors have conducted intensive studies in order to achieve the above object, and as a result, distilling the oligomer obtained by polymerizing the butane butene mixed fraction to separate a required fraction, After hydrogenation, deodorization treatment is performed, or after oligomerization obtained by polymerizing a butane butene mixed fraction is subjected to hydrogenation treatment, distillation is performed to separate a required fraction, and then deodorization treatment is performed. It has been found that its purpose can be achieved. The present invention has been completed based on such findings.
- butane-butene mixed fraction In the presence of an acid catalyst, a butane-butene mixed fraction is polymerized to form an oligomer, and then the required fraction is separated by distillation, followed by hydrogenation treatment and deodorization treatment.
- Buteneoligomer production method (2) A butane oligomer characterized by polymerizing a butane butene mixed fraction in the presence of an acid catalyst to form an oligomer, separating the required fraction by distillation after hydrogenation treatment, and then deodorizing. Manufacturing method, and
- a butane-butene mixed fraction is used as a raw material, and a polymerization step, a fractionation step, a hydrogenation step and a deodorization treatment step are sequentially performed, or the polymerization step and the hydrogenation step are performed.
- the fractionation step and the dewatering step are sequentially performed.
- a butane butene mixed fraction as a raw material is polymerized using an acid catalyst to form an oligomer.
- the Butanbuten mixed fraction of the raw materials conventionally used in industrially general, the remaining fraction was extracted butadiene from C 4 fraction generated in naphtha cracking, called Supen preparative B- B fraction (blanking evening Nbuten Mixed fraction) can be used.
- the acid catalyst is not particularly limited, and may be appropriately selected from conventionally known catalysts that can be used as a catalyst for butene polymerization.
- Such acid catalysts include Friedel-Crafts catalyst solid acid catalysts.
- Examples of Friedel's catalysts include aluminum chloride, aluminum bromide, ferric chloride, boron trifluoride, stannic chloride, and zinc chloride.
- Examples include Lewis acids such as lead and strong protic acids such as sulfuric acid and hydrofluoric acid.
- One kind of the Friedel's craft catalyst may be used alone, or two or more kinds may be used in combination.
- aluminum chloride is preferred.
- examples of the solid acid catalyst silica-alumina, Shirikamaguneshi ⁇ , Shirikaboria, deposited alumina Poria, chlorinated alumina, fluorinated alumina, hydrochloric acid silica gel and alumina gel, sulfate,-phosphate, BF 3, etc.
- cation exchange resins synthetic zeolite, and clay minerals such as acid clay, bentonite, kaolin, and montmorillonite.
- silica alumina is particularly preferred.
- the polymerization conditions for example, when the above-mentioned Friedel-Crafts catalyst is used as a catalyst, a liquid polymerization method is generally employed, and the reaction temperature is usually 0 to 150 ° C., preferably. Is selected in the range of 100 to 130 ° C., and the reaction pressure is usually selected in the range of 0 to 3 MPa ⁇ G, preferably 1.5 to 3 MPa ⁇ G.
- the polymerization system may be any of a batch system and a continuous system.
- the reaction temperature is usually selected in the range of 20 to 180 ° C, preferably 50 to 150 ° C
- the reaction pressure is usually The pressure is selected within the range from normal pressure to 10 MPa ⁇ G, preferably a pressure that can maintain the liquid phase (about 1 to 6 MPa ⁇ G).
- the LHSV (liquid hourly space velocity) of the raw material is generally selected in the range of 0.01 to 50 h- 1 and preferably in the range of 0.1 to 10 h-11.
- a continuous flow system in which the raw materials are supplied to the catalyst packed tower can be employed.
- This fractionation step is a step in which the polymerization reaction solution obtained in the above-mentioned polymerization step is subjected to a distillation treatment to fractionate a required fraction.
- the polymerization reaction solution is distilled off the C 4 fraction unreacted.
- the reaction solution after the removal of the C 4 fraction is distilled and divided according to the boiling point range.
- the method of separation is arbitrary, but as an example, a fraction having a boiling point of less than 160 ° C, a fraction of 160 ° C or more and less than 200 ° C, or a fraction of 200 ° C or more and 280 ° C And a fraction of less than 280 ° C.
- This hydrogenation step is a step of subjecting the required fraction obtained in the fractionation step to hydrogenation treatment to remove the olefinic double bond and the aromatic ring in the molecule.
- an arbitrary fraction may be appropriately selected from the respective fractions in the fractionation step according to the intended use of buteneoligoma of the product finally obtained.
- the catalyst used for the hydrogenation reaction is not particularly limited as long as it has a hydrogenation activity of olefins and aromatic compounds, and is appropriately selected from conventionally known hydrogenation catalysts. be able to.
- a hydrogenation catalyst for example, an alumina catalyst supporting 0.05 to 0.5% by mass of Pd, or Pd of 0.1 to 1% by mass and Pt of 0.1 to 1% by mass are supported.
- Alumina catalysts, zeolite catalysts, and Ni / geiss earth catalysts are preferred.
- the conditions for the hydrogenation reaction are a reaction temperature of about 150 to 300 ° C., a reaction pressure of about 1 to 5 MPa ⁇ G, and an LHSV of about 0.1 to 10 h 1 .
- This hydrogenation reaction is preferably carried out so that the oligomer after hydrogenation has a bromine value of 5 g / 100 g or less and an aromatic concentration of 100 ppm or less.
- the bromine value and aromatic content are measured by the following methods. Value.
- Bromine value 1 to 10 g of a sample dissolved in a solvent is titrated at room temperature with a standard solution of lithium bromide and potassium bromate.
- the end point of the titration is defined as the time when the polarization voltage in the titration system suddenly changes due to free bromine, and this point is detected by an electrotitrator.
- Aromatic component concentration Put the measurement sample or its diluent in a quartz cell with an optical path length of 10 mm, and measure the difference in absorbance with a blank at 270 mm as a measured value using a spectrophotometer.
- the hydrogenation step may be performed before the fractionation step.
- This deodorization treatment step is a step of deodorizing the hydrogenated oligomer obtained in the hydrogenation step or a required fraction (hydrogenation oligomer) obtained in the fractionation step after the hydrogenation treatment. It is.
- the deodorizing method for example, a method in which a hydrogenated oligomer is brought into contact with an adsorbent such as silica-alumina can be used. Specifically, the hydrogenated oligomer is supplied to a deodorization tower filled with the adsorbent under conditions of a temperature of about 20 to 50 ° C and an LHSV of about 0.1 to 10 h- 1 . Deodorizing treatment.
- Example 1 A mixed raw material having a mass ratio of bushene and butene of 10:90 was prepared using an aluminum chloride catalyst of 0.3% by mass with respect to the raw material, at a temperature of 120 ° C; Polymerization was carried out for 0.5 hours under the conditions to obtain a butene oligomer.
- the butene oligomer was hydrogenated under the following conditions.
- Alumina catalyst supporting 0.5% by mass Pd was used at a ratio of 10% by mass to the butene oligomer at a hydrogen pressure of 1.5 MPa a ⁇ G and a temperature of 200 ° C. For 3 hours.
- the oligomer after the hydrogenation treatment had a bromine value of 0.5 g / 100 g and an aromatic content of 60 ppm.
- the above-mentioned hydrogenation reaction solution was heated to a boiling point of less than 160 ° C, more than 160 ° C and less than 200 ° C, more than 180 ° C and less than 280 ° C, and more than 180 ° C.
- Each fraction was separated by distillation.
- the glass column was filled with 100 cc of a commercially available deodorant (GB08, manufactured by Mizusawa Chemical) for the distillate from a temperature of 200 ° C or higher and lower than 180 ° C.
- ⁇ Deodorization treatment was carried out by flowing the oligoma at 100 cc / hr at normal pressure.
- the deodorized oligomer was evaluated for odor, and as a result, all were evaluated as having almost no odor.
- Example 1 was repeated except that the hydrogenation treatment and the deodorization treatment were not performed.
- the evaluation of the odor of oligomers of a fraction at a temperature of 200 ° C or more and less than 280 ° C was performed. Was done. As a result, everyone acknowledged that there was an odor.
- a butene oligomer having no odor and having excellent oxidation stability can be efficiently obtained using a butane-butene mixed fraction as a raw material.
- the butene oligomer produced according to the present invention may be used as an electrical insulating material, an adhesive, a lubricant base, a waterproofing agent, a grease, a viscosity index improver, a sealing compound, a wax, a solvent, or a rubber or a rubber. It can be suitably used for applications such as a resin modifier.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03764194A EP1535932A4 (en) | 2002-07-15 | 2003-07-14 | PROCESS FOR PRODUCING BUTENE OLIGOMER |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-205598 | 2002-07-15 | ||
JP2002205598A JP2004043715A (ja) | 2002-07-15 | 2002-07-15 | ブテンオリゴマーの製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004007565A1 true WO2004007565A1 (ja) | 2004-01-22 |
Family
ID=30112769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/008923 WO2004007565A1 (ja) | 2002-07-15 | 2003-07-14 | ブテンオリゴマーの製造方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1535932A4 (ja) |
JP (1) | JP2004043715A (ja) |
KR (1) | KR20050028021A (ja) |
CN (1) | CN1668649A (ja) |
WO (1) | WO2004007565A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013162573A1 (en) * | 2012-04-26 | 2013-10-31 | The Government Of The Usa As Represented By The Secretary Of The Navy | Diesel and jet fuels based on the oligomerization of butene |
EP4327833A1 (en) | 2021-04-21 | 2024-02-28 | Nihon Medi-Physics Co., Ltd. | Radioactive antitumor agent |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60124602A (ja) * | 1983-12-09 | 1985-07-03 | Idemitsu Petrochem Co Ltd | ブチレンポリマ−の製造方法 |
US4762635A (en) * | 1986-07-24 | 1988-08-09 | Mobil Oil Corporation | High traction synthetic hydrocarbon fluids |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061780A (en) * | 1972-12-20 | 1977-12-06 | Nichiyu Kagaku Co., Ltd. | Cosmetic oil containing isobutylene |
US5177277A (en) * | 1991-12-04 | 1993-01-05 | Amoco Corporation | Hydrogenated deodorized polybutene polymers |
-
2002
- 2002-07-15 JP JP2002205598A patent/JP2004043715A/ja active Pending
-
2003
- 2003-07-14 KR KR1020057000633A patent/KR20050028021A/ko not_active Application Discontinuation
- 2003-07-14 EP EP03764194A patent/EP1535932A4/en not_active Withdrawn
- 2003-07-14 CN CNA038168375A patent/CN1668649A/zh active Pending
- 2003-07-14 WO PCT/JP2003/008923 patent/WO2004007565A1/ja not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60124602A (ja) * | 1983-12-09 | 1985-07-03 | Idemitsu Petrochem Co Ltd | ブチレンポリマ−の製造方法 |
US4762635A (en) * | 1986-07-24 | 1988-08-09 | Mobil Oil Corporation | High traction synthetic hydrocarbon fluids |
Non-Patent Citations (1)
Title |
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See also references of EP1535932A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR20050028021A (ko) | 2005-03-21 |
EP1535932A1 (en) | 2005-06-01 |
JP2004043715A (ja) | 2004-02-12 |
CN1668649A (zh) | 2005-09-14 |
EP1535932A4 (en) | 2005-10-26 |
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