WO2006049088A1 - ポリエーテルの製造方法および重合体 - Google Patents
ポリエーテルの製造方法および重合体 Download PDFInfo
- Publication number
- WO2006049088A1 WO2006049088A1 PCT/JP2005/019857 JP2005019857W WO2006049088A1 WO 2006049088 A1 WO2006049088 A1 WO 2006049088A1 JP 2005019857 W JP2005019857 W JP 2005019857W WO 2006049088 A1 WO2006049088 A1 WO 2006049088A1
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- WIPO (PCT)
- Prior art keywords
- polyether
- group
- ascorbic acid
- producing
- metal cyanide
- Prior art date
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Classifications
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- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2663—Metal cyanide catalysts, i.e. DMC's
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
Definitions
- the present invention relates to a method for producing a polyether polymer and a polyether polymer.
- a method of using a room temperature curable composition containing a hydrolyzable silicon group-containing polyether polymer and a silanol condensation catalyst as a sealing material, an adhesive or the like is well known and industrially used. Useful.
- a method for producing such a hydrolyzable key group-containing polyether polymer a polyether polymer having a hydroxyl group at the terminal is manufactured, the terminal hydroxyl group is converted to olefin, and then the hydrolyzable key group is converted. Examples thereof include a method for producing hydrosilylation with a hydrosilane compound having a group.
- a polymer having a number average molecular weight of 8000 or more and a narrow molecular weight distribution can be obtained.
- a curable resin composition containing a hydrolyzable silicon group-containing polyether polymer obtained by such a method is imparted with flexibility to the cured product, reduced viscosity of the composition, and good This is useful for imparting a good workability to the composition.
- a method of adding a chelating agent such as ethylenediamine tetraacetic acid (EDTA) has also been proposed (see, for example, Patent Document 3).
- a chelating agent such as EDTA is contained in the polymer. If it remains, it becomes a retarder of the hydrosilylation reaction, so that there is a problem that EDTA must be completely removed when hydrosilylation is performed.
- Patent Document 1 Japanese Patent Laid-Open No. 10-212349
- Patent Document 2 Japanese Patent Laid-Open No. 2003-105079
- Patent Document 3 Japanese Patent Laid-Open No. 06-200013
- An object of the present invention is to treat a metal impurity (a complex metal cyanide complex or a residue compound thereof) from a polyether polymer containing a metal impurity of a complex metal cyanide complex and Z or a residue compound thereof by water extraction. It is an object of the present invention to provide a treatment method that can be performed more easily and at a higher level, and a polymer obtained through the treatment.
- a method for producing an unsaturated group-containing polytetral comprising a purification method characterized by
- a method for producing a polyether comprising a purification method characterized by
- An unsaturated group-containing polyether (B) containing a double metal cyanide complex and Z or its residue compound is added to an organic solvent, ascorbic acid or a derivative thereof and water to make a mixture.
- An unsaturated group-containing compound represented by the general formula (1) is obtained after alkoxylation of a terminal hydroxyl group of a hydroxyl group-terminated polyether polymer obtained by polymerization using a double metal cyanide complex as a catalyst, by reaction with an alkali metal compound.
- R 1 is a divalent organic group having 1 to 20 carbon atoms containing at least one selected from the group consisting of hydrogen, oxygen, and nitrogen as a constituent atom, and R 2 is hydrogen or carbon number. (10 or less hydrocarbon groups, Y is a halogen atom.)
- R 3 and R 4 are the same or different alkyl groups having 1 to 20 carbon atoms, aryl groups having 6 to 20 carbon atoms, aralkyl groups having 7 to 20 carbon atoms, or (R ′) SiO—.
- R ′ is a monovalent hydrocarbon group having 1 to 20 carbon atoms, and three R ′ may be the same or different.
- X represents a hydroxyl group or a hydrolyzable group, and when two or more X exist, they may be the same or different.
- a represents 0, 1, 2 or 3
- b represents 0, 1, or 2.
- b in m (Si R 4 XO) groups they may be the same or different.
- n an integer from 0 to 19. However, a + ⁇ b ⁇ 1 shall be satisfied.
- hydrolyzable silicon group-containing polyether polymer according to (7), wherein the silane compound is represented by the following general formula (3):
- the amount of peroxide was quantified by titration of iodine and thiosulfate as described in RMJohnson and IWSiddiqi, The Determination Of Organic Peroxides, Pergamon Press, London, 1970 Chp.3, for example, CHEMetrics. Performed using Model HP-10B kit.
- the present invention is effective even when the amount of peroxide is 30 ppm or less, and even if it is 20 ppm or less or 10 ppm or less, the effect can be sufficiently exerted.
- Polyether polymers containing metal impurities Extract metal impurities by water extraction method, At the time of removal, addition of ascorbic acid or a derivative thereof facilitates removal of metal impurities. Also, polyether polymers having a low metal content can be obtained.
- the main chain structure of the polyether (A) used in the present invention may be a polymer having a structure represented by R—O as a repeating unit.
- R may be a divalent organic group having 1 to 20 carbon atoms and containing one or more selected from the group consisting of hydrogen, oxygen, and nitrogen as constituent atoms. Further, it may be a homopolymer in which all of the repeating units are the same, or may be a copolymer including two or more types of repeating units. Furthermore, it may have a branched structure in the main chain.
- repeating unit represented by —R—O include —CH 2 CH 2 O—,
- alkylene oxides specifically, ethylene oxide, propylene oxide, a -butylene oxide, 13-butylene oxide, hexene oxide, cyclohexene oxide, styrene
- Oxides (X-methyl styrene oxide)
- alkyl or aryl or aryl glycidyl ethers specifically, methyl daricidyl ether, ethyl daricidyl ether, isopropyl glycidyl ether, butyl daricidyl ether, allylic glycidyl ether,
- Double metal cyanide complex catalysts include Zn [Fe (CN)], Zn [Co (CN)], Fe [ Fe (CN)], Fe [Co (CN)] and the like can be mentioned. More preferably Zn [Co (CN)]
- Such a catalyst can be produced, for example, by coordinating an organic ligand with a reaction product obtained by reacting a metal salt of a metal or rogenide and an alkali metal cyanate in water.
- the metal of the metal halide salt is particularly preferably Zn (ll), preferably ⁇ ( ⁇ ) or Fe (II). Particularly preferred as the metal halide salt is zinc salt.
- the metal constituting the cyanometalate of the alkali metal cyanometallate Co (III) or Fe (III) is preferable, and Co (III) is particularly preferable.
- As the alkali metal cyanometallate potassium hexanocobaltate is preferable.
- the organic ligand alcohol and / or ether are preferable.
- t ert-Buteno-leanolol ethanol, sec-butino-leanolol, n-butino-leanol, isobutyl alcohol, tert-pentyl alcohol, isopentyl alcohol and isopropyl alcohol, and ethylene glycol dimethyl ether (Hereinafter glyme), diglyme (diethylene glycol dimethyl ether), triglyme (triethylene glycol dimethyl ether), dioxane, and number average molecular weight
- One or two or more selected from ether strength such as 150 to 5000 polyether is preferred. Of these, tert butyl alcohol and / or glyme are particularly preferred.
- an acid inhibitor can be added in order to suppress deterioration of the acid of the polyether.
- Antioxidants include phenolic antioxidants such as 2, 6 tert-butyl-p-cresol, 2, 6 tert-butylphenol, 2,4 dimethyl-6 tert-butylphenol, 2,2, -methylenebis ( 4-methyl-6-tert-butylphenol), 4, 4, -butylidenebis (3-methyl-6-tert-butylphenol), 4,4'-thiobis (3-methyl-6-tertbutylphenol), tetrakis ⁇ methylene-3 (3 , 5-di-tert-butyl-4-hydroxyphenol) propionate ⁇ methane, 1,1,3 tris (2-methyl-4-hydroxy-5-tertbutylphenol) butane, and the like.
- Ascorbic acid or a derivative thereof (B) used in the present invention includes L-ascorbic acid; isostructorbic acid that is a structural isomer; ester derivatives thereof (specifically, L-ascorbyl luminate, L-ascorbyl stearate, 2-ethylhexanoic acid L--ascorbyl, isoascorbyl palmitate, isoascorbyl stearate, or iso-scorbyl 2-ethylhexanoate); their phosphate ester derivatives (specifically , L-ascorbic acid monophosphate, L-ascorbic acid diphosphate, L-ascorbic acid triphosphate, isoscorbic acid monophosphate, isoscorbic acid diphosphate, or isoscorbic acid triphosphate) (specific examples) L-ascorbic acid 2-darcoside or isoscorbic acid 2-darcoside); and alkali metal salts thereof such as sodium and potassium
- R 1 is a divalent organic group having 1 to 20 carbon atoms containing at least one member selected from the group consisting of hydrogen, oxygen and nitrogen as a constituent atom
- R 2 is hydrogen or carbon atoms 10
- Y is a halogen atom.
- organic halogen compound aryl chloride and methallyl chloride are most preferable.
- the purification method by water extraction which is carried out in the present invention, is a method in which a polyether having an unsaturated group, water, and ascorbic acid or a derivative thereof are vigorously mixed, and then the aqueous phase and the organic phase are centrifuged. Or it carries out by carrying out stationary separation and isolate
- the mixing ratio of the unsaturated group-containing polyether and water is not particularly limited as long as the metal impurities can be extracted to a desired level and can be separated from the organic phase. It becomes difficult to separate the organic phase and the metal impurities cannot be extracted.
- water is preferably 10 to: more preferably 20 to 500 parts by weight, more preferably LOOO parts by weight.
- an organic solvent may be added.
- the organic solvent include ketones, aliphatic, alicyclic or aromatic hydrocarbon solvents, ether solvents, and halides thereof. Specific examples thereof include butanes, pentanes, hexanes, heptanes, octanes, nonanes, decanes, dodecanes, cyclohexane, cyclopentane, benzene, toluene, xylenes, methyl ether.
- the amount of the organic solvent added is not particularly limited.
- the organic solvent is 10 to: LOOO parts by weight, more preferably 20 to 500 parts by weight with respect to 100 parts by weight of the polyether (component (A) or (B)).
- the silanic compound for carrying out hydrosilylation with a polyether having an unsaturated group may be a compound having one or more Si-H groups in the molecule.
- Typical examples include compounds represented by the following general formula (2).
- R 3 and R 4 are the same or different alkyl groups having 1 to 20 carbon atoms, aryl groups having 6 to 20 carbon atoms, aralkyl groups having 7 to 20 carbon atoms, or (R ′) SiO 2. bird When an organosiloxy group is present and two or more R 3 or R 4 are present, they may be the same or different.
- R ′ is a monovalent hydrocarbon group having 1 to 20 carbon atoms, and three R ′ may be the same or different.
- X represents a hydroxyl group or a hydrolyzable group, and when two or more X exist, they may be the same or different.
- a represents 0, 1, 2 or 3
- b represents 0, 1, or 2.
- b in m (Si R 4 XO) groups they may be the same or different.
- n an integer from 0 to 19. However, a + ⁇ b ⁇ 1 shall be satisfied.
- the hydrolyzable group or hydroxyl group can be bonded to one key atom in the range of 1 to 3, and (a + ⁇ b) is preferably in the range of 1 to 5.
- two or more hydrolyzable groups or hydroxyl groups are bonded in the reactive cage group, they may be the same or different.
- the compound represented by the general formula (3) is preferable because it is easily available.
- halogenated silanes such as trichlorosilane, methyldichlorosilane, dimethylchlorosilane, phenyldichlorosilane, trimethylsiloxymethylchlorosilane; trimethoxysilane, triethoxysilane, methinolegoxysilane, methinore Alkoxysilanes such as dimethoxysilane, phenyldimethoxysilane, trimethylsiloxymethylmethoxysilane, trimethylsiloxydiethoxysilane; methyldiacetoxysilane, phenylacetoxysilane, triacetoxysilane, trimethinoresoxyxymethyloleacetoxysilane , Trimeth) methylsilane, bis (cyclohexylketoximate) methylsilane, bis (jetylketotris (acetoximate) silane, and other ketoximate silanes; Base -
- the hydrosilylation reaction in the present invention is usually 10 to 150 ° C, more preferably 20 to 120 ° C. C, most preferably 40 to: LOO ° C is suitable, and benzene, toluene, xylene, tetrahydro may be used as necessary to adjust the reaction temperature and the viscosity of the reaction system.
- Solvents such as furan, methylene chloride, pentane, hexane, heptane can be used
- the catalyst used in the reaction between the polyether polymer having an unsaturated bond and the compound having a hydrolyzable silicon group is a metal complex selected from group VIII transition metal elements such as platinum and rhodium.
- a catalyst or the like is used effectively. For example, H PtCl ⁇ 6 ⁇ 0, platinum—
- Xanthine complexes are particularly preferred.
- the platinum butyl siloxane complex here is a generic term for compounds having a vinyl group in the molecule as a ligand and coordinated by siloxane, polysiloxane, or cyclic siloxane with respect to the platinum atom.
- a specific example of a locator is 1
- the hydrolyzable silicon group-containing polyether polymer synthesized in this manner is cured at room temperature with moisture in the atmosphere in the presence of a curing catalyst, and has good adhesion to metals, glass, and the like. It provides a coating film and is useful as a coating composition for buildings, aircraft, automobiles, etc., a sealing composition, a coating composition, and an adhesive composition.
- a conventionally known silanol condensation catalyst can be used as the curing catalyst. These catalysts may be used alone or in combination of two or more.
- hydrolyzable silicon group-containing polyether polymer of the present invention can be added with various plasticizers, fillers, adhesion imparting agents such as aminosilane, dehydrating agents, and the like as required.
- the amount of peroxide in the present invention was determined by the following method.
- Example 1 The same operation as in Example 1 was performed on the unsaturated group-containing polyether (b) obtained in Production Example 2.
- Table 1 shows the results of measurement of the metal content in the obtained unsaturated group-containing polyether (d).
- the unsaturated group-containing polyether (b) obtained in Production Example 2 was subjected to the same operation as in Comparative Example 1, and the metal content in the obtained unsaturated group-containing polyether (f) was measured. The results are shown in Table 1.
- the analysis of metal (Zn, Co) content in polyethers can be performed by ICP emission spectroscopy.
- Example 4 The same operation as in Example 4 was performed on the unsaturated group-containing polyester (e) obtained in Example 3.
- Table 2 shows the results of measuring the residual aryl group ratio of the polymer obtained by NMR.
- Example 4 The same operation as in Example 4 was performed on the unsaturated group-containing polyester (f) obtained in Comparative Example 2.
- Table 2 shows the results of measuring the residual aryl group ratio of the polymer obtained by NMR.
- Example 4 The same operation as in Example 4 was performed on the unsaturated group-containing polyester (g) obtained in Comparative Example 3.
- Table 2 shows the results of measuring the residual aryl group ratio of the polymer obtained by NMR.
- Example 4 The same operation as in Example 4 was carried out except that the unsaturated group-containing polyester (c) obtained in Production Example 3 was subjected to the same operation as in Comparative Example 1 and then changed to 1.6 g of dimethoxymethylsilane. I went.
- Table 2 shows the results of measuring the residual aryl group ratio of the polymer obtained by NMR.
- Example 4 Comparative example 4 Comparative example 5 Reference example Polymer used (d) (e) (f) (g) (h) Metal content Z n ⁇ 0.1 1.2 4.1 5.7
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Abstract
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Priority Applications (3)
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JP2006543280A JP4600397B2 (ja) | 2004-11-01 | 2005-10-28 | ポリエーテルの製造方法および重合体 |
US11/666,817 US7678944B2 (en) | 2004-11-01 | 2005-10-28 | Process for production of polyethers and polymers |
EP05799334A EP1813635A4 (en) | 2004-11-01 | 2005-10-28 | PROCESS FOR SYNTHESIZING POLYETHERS AND POLYMERS |
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JP2004-318604 | 2004-11-01 | ||
JP2004318604 | 2004-11-01 |
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US (1) | US7678944B2 (ja) |
EP (1) | EP1813635A4 (ja) |
JP (1) | JP4600397B2 (ja) |
WO (1) | WO2006049088A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006124621A (ja) * | 2004-11-01 | 2006-05-18 | Kaneka Corp | 硬化性組成物 |
JPWO2006049087A1 (ja) * | 2004-11-01 | 2008-05-29 | 株式会社カネカ | ポリエーテル重合体の製造方法およびその組成物 |
JP2008285585A (ja) * | 2007-05-17 | 2008-11-27 | Kaneka Corp | トリメトキシシリル基を末端に有する有機重合体の製造方法 |
JP2018065894A (ja) * | 2016-10-17 | 2018-04-26 | 株式会社カネカ | 精製された不飽和基含有ポリエーテル重合体の製造方法、及び加水分解性ケイ素基含有ポリエーテル重合体の製造方法 |
JP2019178275A (ja) * | 2018-03-30 | 2019-10-17 | 株式会社カネカ | ポリエーテルの製造方法 |
WO2019203234A1 (ja) * | 2018-04-18 | 2019-10-24 | 株式会社カネカ | ポリエーテルの製造方法 |
JPWO2019203233A1 (ja) * | 2018-04-16 | 2021-04-22 | 株式会社カネカ | ポリエーテルの製造方法 |
Families Citing this family (3)
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WO2011150161A2 (en) | 2010-05-27 | 2011-12-01 | Dow Global Technologies Llc | Methods for producing crosslinkable silyl group-containing polyoxyalkylene polymers. |
US9527958B2 (en) | 2014-05-02 | 2016-12-27 | Covestro Llc | Process for purification of polyether carbonate polyols |
US20190119444A1 (en) | 2017-10-25 | 2019-04-25 | Covestro Llc | Process to remove dmc catalysts from polyether carbonate polyols |
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- 2005-10-28 US US11/666,817 patent/US7678944B2/en active Active
- 2005-10-28 JP JP2006543280A patent/JP4600397B2/ja active Active
- 2005-10-28 EP EP05799334A patent/EP1813635A4/en not_active Withdrawn
- 2005-10-28 WO PCT/JP2005/019857 patent/WO2006049088A1/ja active Application Filing
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JP2006124621A (ja) * | 2004-11-01 | 2006-05-18 | Kaneka Corp | 硬化性組成物 |
JPWO2006049087A1 (ja) * | 2004-11-01 | 2008-05-29 | 株式会社カネカ | ポリエーテル重合体の製造方法およびその組成物 |
JP4600396B2 (ja) * | 2004-11-01 | 2010-12-15 | 株式会社カネカ | ポリエーテル重合体の製造方法およびその組成物 |
JP2008285585A (ja) * | 2007-05-17 | 2008-11-27 | Kaneka Corp | トリメトキシシリル基を末端に有する有機重合体の製造方法 |
JP2018065894A (ja) * | 2016-10-17 | 2018-04-26 | 株式会社カネカ | 精製された不飽和基含有ポリエーテル重合体の製造方法、及び加水分解性ケイ素基含有ポリエーテル重合体の製造方法 |
JP2019178275A (ja) * | 2018-03-30 | 2019-10-17 | 株式会社カネカ | ポリエーテルの製造方法 |
JPWO2019203233A1 (ja) * | 2018-04-16 | 2021-04-22 | 株式会社カネカ | ポリエーテルの製造方法 |
JP7285248B2 (ja) | 2018-04-16 | 2023-06-01 | 株式会社カネカ | ポリエーテルの製造方法 |
WO2019203234A1 (ja) * | 2018-04-18 | 2019-10-24 | 株式会社カネカ | ポリエーテルの製造方法 |
JPWO2019203234A1 (ja) * | 2018-04-18 | 2021-04-22 | 株式会社カネカ | ポリエーテルの製造方法 |
JP7393330B2 (ja) | 2018-04-18 | 2023-12-06 | 株式会社カネカ | ポリエーテルの製造方法 |
Also Published As
Publication number | Publication date |
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EP1813635A4 (en) | 2008-11-26 |
JP4600397B2 (ja) | 2010-12-15 |
EP1813635A1 (en) | 2007-08-01 |
US7678944B2 (en) | 2010-03-16 |
JPWO2006049088A1 (ja) | 2008-05-29 |
US20080125563A1 (en) | 2008-05-29 |
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