WO2008004482A1 - Procédé de production de polymère d'oxyalkylène et composition durcissable - Google Patents
Procédé de production de polymère d'oxyalkylène et composition durcissable Download PDFInfo
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- WO2008004482A1 WO2008004482A1 PCT/JP2007/062938 JP2007062938W WO2008004482A1 WO 2008004482 A1 WO2008004482 A1 WO 2008004482A1 JP 2007062938 W JP2007062938 W JP 2007062938W WO 2008004482 A1 WO2008004482 A1 WO 2008004482A1
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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
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
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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
-
- 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
- C08G65/04—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 only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/08—Saturated oxiranes
- C08G65/10—Saturated oxiranes characterised by the catalysts used
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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
- C08G65/2603—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 the other compounds containing oxygen
- C08G65/2606—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 the other compounds containing oxygen containing hydroxyl groups
- C08G65/2609—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 the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
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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
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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
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33348—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group
- C08G65/33351—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing isocyanate group acyclic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
Definitions
- the present invention relates to a method for producing an oxyalkylene polymer having a urethane bond and having an alkoxysilyl group, and a curable composition containing the polymer obtained by the production method.
- a polymer having a hydrolyzable silicone group at the end of a polyoxyalkylene chain (also referred to as a modified silicone polymer) is a powerful curable composition that is cured by moisture to form a cured product having excellent rubber elasticity. To do. For this reason, the curable composition is widely used as an adhesive, a coating agent, and a sealing material. Among them, a curable composition comprising a polymer having a methyldimethoxysilyl group at the end of a polyoxyalkylene chain is widely accepted as a sealing material in the market due to its excellent elongation property (see Patent Document 1). ).
- a curable composition containing a polymer having a polyoxyalkylene chain and a trialkoxysilyl group has a fast curing speed and a high crosslink density, so that it can be used as a fast-curing adhesive and a coating material.
- the curable composition includes a trialkoxy bonded to a polyoxyalkylene chain and an end of the polyoxyalkylene chain via a -OCH CH CH- group or one SCH CH CH- group.
- a specific polymer having a silyl group, a specific polymer having a polyoxyalkylene chain and a trialkoxysilyl group bonded to the end of the polyoxyalkylene chain via a urethane bond, and a compound having an amino group and an alkoxysilyl group A curable composition containing this is known (see Patent Document 3).
- a specific polymer having a trialkoxysilyl group bonded to a polyoxyalkylene chain end via a urethane bond in this curable composition has conventionally been a polyoxyalkylene polyol and an isocyanate group-containing trialkoxysilane group.
- the compound was obtained by urethane reaction with a metal catalyst such as an organic tin compound.
- metal catalysts such as this organotin compound cannot be obtained from the specific polymer obtained.
- it When it is contained in the curable composition without removing the medium completely, it also acts as a curing catalyst for the curable composition, so that there is a problem that the storage stability of the curable composition is not sufficient. It was.
- Patent Document 1 Japanese Patent Laid-Open No. 03-072527
- Patent Document 2 Japanese Patent Laid-Open No. 03-047825
- Patent Document 3 Japanese Patent Laid-Open No. 10-245482
- the present invention relates to an oxyalkylene polymer having a urethane bond and an alkoxysilyl group, wherein a polymer having a polyoxyalkylene chain and a hydroxy group and a compound having an alkoxysilyl group and an isocyanate group are urethanated. It is an object of the present invention to provide a curable composition containing the polymer and the curable composition, wherein the curable composition is excellent in storage stability while maintaining fast curability.
- the present inventors have used, as a catalyst, a polymer having a polyoxyalkylene chain and a hydroxy group and a compound having an alkoxysilyl group and an isocyanate group as a urethane reaction. It has been found that a urethanation reaction can be achieved by using a complex metal cyanide complex catalyst having an organic ligand instead of a conventional urethanization catalyst such as an organic tin compound, and curing including the resulting polymer. The present invention has been completed by finding that the composition has excellent storage stability without removing the double metal cyanide complex catalyst having an organic ligand.
- the present invention has the following gist.
- An oxyalkylene polymer having a urethane bond and having an alkoxysilyl group (P) (in the present invention, an oxyalkylene polymer (P) or a polymer (P ) Tomo, U.) Manufacturing method.
- the compound (U) is a compound represented by the following formula (1): an oxyalkylene polymer (P) Force The method for producing an oxyalkylene polymer (P) according to the above 1, which is a polymer having a group represented by the following formula (2).
- each X 1 is independently an alkoxyl group having 1 to 6 carbon atoms
- R is an alkyl group having 6 to 6 carbon atoms
- a is 2 or 3
- b is 0 or 1
- a + b is 3
- Qu is a divalent organic group having 1 to 20 carbon atoms.
- the ratio of the total number of isocyanate groups of the compound (U) to the total number of hydroxy groups of the polymer (pP) (isocyanate groups / hydroxy groups) is 0.8 to: 1.05, 1 or 2 above
- Double metal cyanide complex catalyst with organic ligand used in ring-opening polymerization of alkylene oxide to compound with active hydrogen atom by double metal cyanide complex catalyst with organic ligand 4.
- the composite metal cyanide complex catalyst having the organic ligand used to produce the polymer (pPl) is a composite metal cyanide complex catalyst having the organic ligand in the above production method. 5.
- the organic ligand in the complex metal cyanide complex catalyst with organic ligand is ethylene glycol dimethyl ether (glyme), diethylene glycol dimethyl ether (diglyme), triethylene glycol dimethyl ether, tert_butyl alcohol, n-butanol At least one selected from the group consisting of anoleconole, sec-butinoreanoreconole, iso-butinoreanoreconole, tert-pentyl alcohol, iso_pentyl alcohol, and ethylene glycol mono-tert-butyl ether
- a method for producing the oxyalkylene polymer (P) according to any one of 1 to 5 above.
- An organic ligand in a double metal cyanide complex catalyst having an organic ligand is The process for producing an oxyalkylene polymer (P) according to any one of the above:! To 5, which is lenglycol dimethyl ether (glyme) or tert-butyl alcohol.
- curable composition according to 9 above further comprising at least one selected from the group consisting of cobalt, zinc and iron, wherein the content is 15 to 50 ppm in total of cobalt, zinc and iron. object.
- the curable composition of the present invention can form a cured product having excellent storage stability, excellent workability, and excellent physical properties such as tensile strength. Moreover, it is excellent in quick-curing property.
- the curable composition of the present invention is useful as an adhesive or a sealing material used in various applications. BEST MODE FOR CARRYING OUT THE INVENTION
- the number average molecular weight is Mn
- the weight average molecular weight is Mw
- the molecular weight distribution is Mw / Mn.
- the polymer (pP) used in the production method of the present invention is a polymer having a polyoxyalkylene chain and a hydroxy group.
- the polyoxyalkylene chain in the polymer (pP) is preferably composed of an oxyalkylene polymer unit formed by ring-opening polymerization of an alkylene oxide having 2 to 6 carbon atoms.
- Polyoxya When the alkylene chain is composed of two or more oxyalkylene polymer units, the arrangement of the two or more oxyalkylene polymer units may be a block shape or a random shape.
- the hydroxy group is preferably located at the end of the polyoxyalkylene chain.
- Mnf per hydroxy groups of the polymer (P P) or, from 1,000 to 18,000 force S Preferably, 3000-15
- the polymer (pP) is a polymer (pPl) obtained by ring-opening polymerization of an alkylene oxide to a compound having an active hydrogen atom in the presence of a double metal cyanide complex having an organic ligand. preferable.
- examples of the composite metal cyanide complex having an organic ligand include those similar to the composite metal cyanide complex having an organic ligand used as a catalyst for the urethanization reaction of the present invention. Those having nocobaltate or zinc hexocyano iron as a skeleton and having an organic ligand are preferred. Details will be described later.
- the amount of the double metal cyanide complex having an organic ligand used for ring-opening polymerization of alkylene oxide is 10 to:! OOOppm force S, preferably 15 to 500 ppm force S, more preferably 20 to 300ppm strength S More preferred.
- the compound having an active hydrogen atom is a compound having 1 to 6, particularly 1 to 4 hydroxy groups, which is preferably a hydroxy group or an amino group, which is preferably an organic compound having an active hydrogen atom. Is particularly preferred.
- organic compound having an active hydrogen atom examples include ethylene glycol, propylene glycol, dipropylene glycol, butanediol, hexamethylene glycol, hydrogenated bisphenol A, neopentyl glycol, polybutadiene glycol, polyethylene glycol, Alcohols such as triethyleneglycolanol, alcoholinoreconole, metallinoleanolenore, glycerin, trimethylolmethane, trimethylolpropane, pentaerythritol; polyoxypropylene monool, polyoxypropylene diol, polyoxypropylene Polymeric alcohols such as triol, polyoxyethylene monool, polyoxyethylene diol, and polyoxyethylene triol are listed. Polymer state Mn per hydroxyl group of rucol is 300 ⁇ 2000S.
- the compound having an active hydrogen atom one kind may be used or two or more kinds may be used.
- a compound having two or more kinds of active hydrogen atoms it is preferable to use a polymer alcohol having two hydroxy groups and a polymer alcohol having three hydroxy groups.
- the polymerization temperature at the time of producing the polymer (pPl) may be appropriately selected, but is usually preferably 80 to 150 ° C.
- one polymer be used (pP) Yogu more polymer (P P).
- the compound (U) used in the present invention is a compound having an alkoxysilyl group and an isocyanate group, and is preferably a compound represented by the following formula (1).
- each X 1 independently represents an alkoxyl group having from 6 to 6 carbon atoms
- R represents an alkyl group having from 6 to 6 carbon atoms
- a is 2 or 3
- b is 0.
- Or 1 a + b is 3
- Q 1 is a divalent organic group having 1 to 20 carbon atoms.
- X 1 in the formula (1) is particularly preferably a methoxy group, preferably a methoxy group, an ethoxy group, a propoxy group, a butoxy group, a pentyloxy group, or a hexyloxy group.
- Two or three X 1 in the formula (1) are preferably the same group, which may be the same group or different groups.
- R is particularly preferably a methyl group, preferably a methyl group, an ethyl group, a propyl group, a butyl group, a pentyl group, or a hexynole group.
- a power of 3 is preferred, where a is 2 or 3.
- Q U in the formula (1) is a divalent organic group having 1 to 20 carbon atoms.
- the divalent organic group is preferably an alkylene group of 1 to 14, more preferably an alkylene group of 1 to 10, and particularly preferably an alkylene group of 1 to 5.
- Particularly preferred divalent organic groups are trimethylene group and methylene group.
- Specific examples of the compound (U) include 1_isocyanate methyltrimethoxysilane, 2_iso 1 Isocyanate methinoretriethoxysilane, 2-Isocyanate ethinoretriethoxysilane, 3-Isocyanate propyltriethoxysilane, 3-Isocyanate butyltriethoxysilane, 3-Isocyanate pentyltriethoxy Silane, 1 isocyanatopropyl trimethoxysilane, 1_isocyanate methyldimethoxymethylsilane, 1_isocyanate propyltriethoxysilane, 3_isocyanate propyltrimethoxysilane or
- the double metal cyanide complex catalyst having an organic ligand used in the urethane reaction of the polymer (pP) and the compound (U) is a combination of zinc and cobalt, or zinc and iron.
- Those having a skeleton of a double metal cyanide complex consisting of a combination of Those having zinc hexocyanobaltate as a skeleton or those having zinc hexocyano iron as a skeleton are particularly preferred.
- the organic ligand is preferably an ether ligand or an alcohol ligand.
- ether-based ligands include ethylene glycol dimethyl ether (glyme), ethylene glycol dimethyl ether (diglyme), and triethylene glycol dimethyl ether. Of these, ethylene glycol dimethyl ether (glyme) is preferred.
- alcohol-based ligands include tert butyl alcohol, n-butyl alcohol record, sec butino oleanole, iso butyl eno eno re concore, tert pent eno ole no re col, and iso pent eno ole re no ole, ethylene. Glyconomonomono tert butinoreethenore. Of these, tert butyl alcohol is preferred.
- the composite metal cyanide complex having an organic ligand used as a catalyst in the urethane ⁇ reaction is activated so that the polymer (pP) and the compound (U) can undergo a urethanation reaction. If it is in a state that has been done.
- the double metal cyanide complex catalyst having an activated organic ligand for example, an alkylene oxide is added to a compound having an active hydrogen atom in the presence of a double metal cyanide complex having an organic ligand.
- a double metal cyanide complex having an organic ligand in a state of ring-opening polymerization and a double metal cyanide complex having an organic ligand in a similar state.
- the double metal cyanide complex having an organic ligand may be one immediately after the start of the ring-opening polymerization reaction of the alkylene oxide, or the ring-opening reaction. It may be in the middle of the polymerization reaction or may be after the ring-opening polymerization reaction.
- a polymer (pP 1) obtained by ring-opening polymerization of an alkylene oxide on a compound having an active hydrogen atom in the presence of a double metal cyanide complex catalyst having an organic ligand is:
- the polymer (pPl) and the compound (U) were used without separation and removal of the double metal cyanide complex catalyst having an organic ligand used to produce the polymer ( P P 1) contained therein. ) Is preferably urethanated. In this case, there is an effect that the urethane reaction proceeds efficiently.
- the polymer (pPl) composition containing a double metal cyanide complex catalyst having an organic ligand used to produce the polymer (pP 1) can be used alone or in combination of two or more. .
- the use amount of the double metal cyanide complex catalyst having an organic ligand may be an amount that allows urethanation reaction, but is preferably 5 to 200 ppm in terms of metal amount with respect to the mass of the polymer (pP), 10-: 150 ppm force S is more preferable, 12-: OOppm force S is more preferable, 12-80 ppm is particularly preferable, and 15-50 ppm is most preferable.
- the amount of the composite metal cyanide complex catalyst having an organic ligand is calculated based on the amount of metal relative to the mass of the polymer (pP).
- 15 to 45 ppm is preferred. 15 to 25 ppm is particularly preferred. If it is less than 15 ppm, the urethane reaction may be difficult to proceed, and if it exceeds 45 ppm, an isomerization reaction such as dimerization may occur during the urethanization reaction. When the isomerization reaction occurs, the viscosity of the obtained polymer is easily increased as well as the viscosity of the obtained polymer is increased.
- the amount of the composite metal cyanide complex catalyst having an organic ligand is 30 in terms of the amount of contained metal with respect to the mass of the polymer (pP). ⁇ 80ppm strength, 30-50ppm strength S Especially preferred. If it is less than 30 ppm, the urethanation reaction may not proceed easily, and if it exceeds 80 ppm, the storage stability of the polymer will deteriorate.
- the following curing catalyst may be used in addition to the double metal cyanide complex catalyst.
- the amount of the catalyst used is preferably 500 ppm or less, more preferably 200 ppm or less, based on the mass of the polymer (pP). When the amount used is in the above range, the storage stability of the product after the urethane reaction is excellent.
- the ratio of the total number of isocyanate groups in the compound (u) to the total number of hydroxy groups in the polymer (pP) in the urethane reaction (isocyanate group Z hydroxy group) is:
- the temperature of the urethanization reaction is preferably 20 to 200 ° C force S, more preferably 50 to 150 ° C force S, and particularly preferably 50 to 120 ° C.
- the urethane reaction is preferably carried out in an inert gas (nitrogen gas is preferred) atmosphere.
- the polymer (P) obtained by the urethanization reaction can be used as the curable composition of the present invention without separating and removing the double metal cyanide complex catalyst having an organic ligand.
- the present invention is a curable composition containing the polymer (P) obtained by the above production method.
- the curable composition of the present invention has excellent storage stability without separating and removing the double metal cyanide complex catalyst having an organic ligand.
- the curable composition of the present invention preferably contains at least a seed selected from the group consisting of cobalt, zinc and iron, and its content is 15 to 50 ppm in terms of the total amount of cobalt, zinc and iron. It is preferable that
- Cobalt, zinc and iron are preferably cobalt, zinc and iron derived from a double metal cyanide complex catalyst, in particular zinc hexanocobaltate or zinc hexashi. Those derived from iron iron are preferred.
- the polymer (P) preferably has a thickening ratio of 20% or less when stored at 50 ° C for 4 weeks, more preferably 15% or less. It is particularly preferably 10% or less, more preferably 12% or less.
- the curable composition of the present invention may contain a curing catalyst.
- the curing catalyst may be a compound that catalyzes a crosslinking reaction by a hydrolysis reaction of an alkoxysilyl group of the polymer (P).
- the curing catalyst include an organic tin compound, an organic metal compound containing a metal other than tin, a metal organic alkoxide, a complex containing a metal other than soot, an organic amine, and other catalysts.
- Organotin compounds containing sulfur atoms such as H COOC H); (n-C H) SnO, (n— C
- Organotinoxide compounds such as SnO; Organotinoxides and esters (ethylsilique)
- chelate of organotin compounds such as bis (acetylacetonato) tin; reaction obtained by reacting chelate of organotin compounds and alkoxysilane (tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, etc.) Product; (n_C H) (CH COO) SnOSn
- organometallic compound containing a metal other than tin examples include calcium carboxylate, zirconium carboxylate, iron carboxylate, vanadium carboxylate, bismuth tris-2-ethyl hexate, bismuth carboxylates, and lead carboxylates. , Titanium carboxylate and nickel carboxylate.
- organometallic alkoxide tetraisopropyl titanate, Tetorapuchi Norechitaneto, tetramethyl titanate
- titanium alkoxides such as tetra (Kishiruchitaneto to 2_ Echiru); aluminum isopropylate, mono - sec _ butoxy aluminum Jie
- Aluminum alkoxides such as sopropylate
- Zirconium alkoxides such as zirconium mono-propylate, zirconium n-butyrate
- titanium such as titanium tetraacetylacetonate, titanium ethinoreacetoacetate, titanium oxytylene glycolate, titanium ratatatate
- An alkoxide is mentioned.
- the complex containing a metal other than tin include aluminum chelates such as aluminum trisacetylacetonate, aluminum trisethylacetate acetate, and diisopropoxyaluminum ethyl acetate acetate; Zirconium chelates such as cetyl acetate, zirconium bisacetyl acetate, zirconium acetyl acetate bisacetate, and zirconium acetate.
- organic amines include aliphatic monoamines such as butyramine, hexylamine, octylamine, decenoreamine, laurylamine; aliphatic diamines such as ethylenediamine, hexanediamine; triethylamine, diethylenetriamine, triethylenetetramine, teto Aliphatic polyamines such as raethylenepentamine; heterocyclic amines such as piperidine and piperazine; aromatic amines such as metaphenylenediamine; monoethanolamine, diethanolamine, triethanolamine, etc. Alkanolamines: various modified amines used for curing epoxy resins.
- specific examples of other curing catalysts include phosphoric acid, p-toluenesulfonic acid, and phthalic acid.
- the curing catalyst is preferably an organic tin hydrate compound from the viewpoint of handleability. From the viewpoint of fast curing, (n- C H) Sn (acac), (n_ C H) Sn (acac), (n_ C H)
- the curing rate of the curable composition of the present invention can be decreased by selecting a catalyst having low activity as the curing catalyst.
- the low activity catalyst examples include specific organotin compounds containing a sulfur atom in the ligand (trade name UL-29, manufactured by Crompton Co., Ltd., and trade name Neostan U-860, manufactured by Nitto Kasei Co., Ltd.). It is done.
- the curable composition of the present invention may contain one or more curing catalysts and may contain two or more curing catalysts. When two or more kinds of curing catalysts are contained, the curable composition of the present invention is excellent in curability, and therefore preferably contains an organic tin compound and an organic amine.
- the curable composition of the present invention preferably contains 0.00 :! to 10 parts by mass of the curing catalyst with respect to 100 parts by mass of the polymer (P). In this case, there is an effect that the curing speed is high, foaming during curing is suppressed, and the durability of the cured product is excellent.
- the curable composition of the present invention further includes one or more additives selected from the group consisting of a filler, a plasticizer, an adhesion-imparting agent, a solvent, a dehydrating agent, a thixotropic agent, an anti-aging agent, and a pigment.
- An agent may be included.
- the filler in the present invention include calcium carbonate, calcium carbonate, silica, anhydrous key acid, carbon black, magnesium carbonate, diatomaceous earth, clay, talc, titanium oxide, bentonite, ferric oxide, zinc oxide, charcoal. , Pulp, cotton chips, my strength, crushed rice flour, and rice husk flour.
- the filler may be a fine hollow body (silica balloon, shirasu balloon, glass balloon, resin balloon, etc.) which may be a fine powder.
- the curable composition of the present invention may contain one or more fillers and may contain two or more fillers.
- the calcium carbonate is preferably calcium carbonate surface-treated with a fatty acid or a resin acid.
- Calcium carbonate is a colloidal calcium carbonate having an average particle size of 1 ⁇ or less, a light calcium carbonate having an average particle size:! To 3 ⁇ m, or a heavy calcium carbonate having an average particle size:! To 20 ⁇ m. Is preferred.
- the curable composition of the present invention particularly preferably contains 50 to 250 parts by mass of the filler (preferably containing 1000 parts by mass or less) with respect to 100 parts by mass of the polymer (P).
- the plasticizer in the present invention includes phthalate esters such as dioctyl phthalate, dibutyl phthalate, and butyryl phthalate; dioctyl adipate, bis (2-methylnonyl) succinate, dibutyl sebacate, butyl oleate Aliphatic carboxylic acid esters such as pentaerythritol ester, etc .; Phosphate esters such as trioctyl phosphate and tricresyl phosphate; Epoxidized soybean oil, 4,5_Epoxyhexahydrophthalate dioctyl, Epoxy stearin Epoxy plasticizers such as acid benzil; Chlorine paraffin; Polyester plasticizers obtained by reacting dibasic acids with dihydric alcohols; Polyether-based plastics such as polyoxypropylene glycol IJ; Poly ⁇ - Styrenic plasticizers such as methylstyrene and polystyrene; Li but
- the curable composition of the present invention preferably contains 300 parts by mass or less of a plasticizer, particularly preferably 20 to 150 parts by mass with respect to 100 parts by mass of the polymer ( ⁇ ).
- adhesion-imparting agent in the present invention include a silane having a (meth) attaroyloxy group, a silane having an amino group, a silane having an epoxy group, and a silane having a carboxynole group.
- Organosilane coupling agent Isopropyltri ( ⁇ aminoethylamino) Organometallic coupling agent; Epoxy resin.
- silane having a (meth) attayloxy group examples include 3-methacryloyl acryloyloxypropyl methyldimethoxysilane.
- silane having an amino group examples include 3-aminopropyltrimethoxysilane, 3- Aminopropyltriethoxysilane, 3 Aminopropylmethyldimethoxysilane, N— (2-Aminoethyl) 3 Aminopropyltrimethoxysilane, N— (2 Aminoethyl) 3 Aminopropylmethyldimethoxysilane, N— (2 Aminoethyl) 3 aminopropyltriethoxysilane, 3 ureidopropyltriethoxysilane, N— (N-Buylbenzyl-2-lane).
- silane having an epoxy group examples include 3-glycidyloxypropyltrimethoxysilane, 3-glycidyloxypropylmethyldimethoxysilane, and 3-glycidyloxypropyltriethoxysilane.
- carboxyl group-containing silanes include 2_carboxyethyltriethoxy silane, 2_carboxyethyl phenylbis (2-methoxyethoxy) silane, N_ (N-force carboxymethyl 2-aminoethyl) _ 3-Aminopropyltrimethoxysilane and the like.
- a reaction product obtained by reacting two or more silane coupling agents may be used.
- the reactant include a reaction product obtained by reacting a silane having an amino group and a silane having an epoxy group, and a reaction obtained by reacting a silane having an amino group and a silane having a (meth) ataryloxy group.
- epoxy resin examples include bisphenol A-diglycidyl ether type epoxy resin, bisphenol F diglycidyl ether type epoxy resin, tetrabromobisphenol A glycidyl ether type epoxy resin, novolac type epoxy resin, Hydrogenated Bisphenol A type epoxy resin, Bisphenol A A propylene oxide adduct glycidyl ether type epoxy resin, 4-Glycidyloxybenzoic acid glycidyl, Phthalic acid diglycidyl, Tetrahydrophthalic acid diglycidyl, Hexahydrophthalic acid diglycidyl, Diglycidyl ester epoxy resin, m-aminophenol epoxy resin, diaminodiphenylmethane epoxy resin, urethane-modified epoxy resin, N, N-diglycidyl aniline, N, N-diglycidyl _ o Toluidine, triglycidyl iso Xia isocyanurate, Poria Ru
- the curable composition of the present invention contains the silane coupling agent, it preferably contains more than 0 to 30 parts by mass of the silane coupling agent with respect to 100 parts by mass of the polymer (P). .
- the curable composition of this invention contains the said epoxy resin, it is preferable that 100 mass parts or less of an epoxy resin is included with respect to 100 mass parts of a polymer (P).
- the solvent in the present invention include aliphatic hydrocarbons, aromatic hydrocarbons, halogenated hydrocarbons, alcohols, ketones, esters, ethers, ester alcohols, ketanololeconore, etherenorenorenorenore. , Ketone ester, ketone ester, and esterol.
- alcohol is particularly preferably methanol or ethanol, preferably methanol, ethanol, isopropanol, isopentyl alcohol, or hexyl alcohol, preferably an alkyl alcohol having 1 to 10 carbon atoms.
- the curable composition of the present invention contains a solvent, it is preferable to contain 500 parts by mass or less of the solvent with respect to 100 parts by mass of the polymer (P).
- dehydrating agent in the present invention examples include trialkyl orthoformate such as trimethyl orthoformate, triethyl orthoformate, tripropyl orthoformate, tributyl orthoformate; trimethyl orthoacetate, triethyl orthoacetate, orthoacetic acid And trialkyl orthoacetate such as tripropyl and tributyl orthoacetate.
- the curable composition of the present invention contains a solvent, it preferably contains 0.001 to 30 parts by mass of the dehydrating agent with respect to 100 parts by mass of the polymer (P).
- thixotropic agent in the present invention examples include hydrogenated castor oil and fatty acid amide.
- antioxidants in the present invention include antioxidants for polyurethane resins, ultraviolet absorbers, and light stabilizers.
- anti-aging agents include hindered amines, benzotriazoles, benzophenones, benzoates, cyanoacrylates, acrylates, hindered phenols, phosphorus, or sulfur. It is done.
- pigment in the present invention include inorganic pigments such as iron oxide, chromium oxide and titanium oxide; organic pigments such as phthalocyanine blue and phthalocyanine green.
- the method for producing the curable composition of the present invention is not particularly limited.
- the order of blending the other components is not particularly limited, but after mixing the curable composition of the present invention and other components other than the curing catalyst. It is preferable to mix a curing catalyst.
- the curing method of the curable composition of the present invention is not particularly limited, and the curable composition of the present invention and other desired components are mixed and stored and stored in the air before use. Curing of the curable composition by moisture
- the method of curing the one-component curable composition, the curable composition of the present invention and the desired other components are mixed in use and cured as appropriate. It is preferred to use a curing method.
- the curable composition of the present invention is capable of forming a cured product that has high curability and storage stability and good mechanical properties.
- the curable composition of the present invention is useful as a coating / sealing curable composition as an architectural sealant, waterproof material, adhesive, and coating agent, and particularly useful as an adhesive.
- the curable composition of the present invention As a preferred mode of use of the adhesive comprising the curable composition of the present invention, the curable composition of the present invention and other desired components are blended and stored, and are used in the air when used. Examples thereof include a one-component curable adhesive that cures an adhesive by moisture, and a two-component curable adhesive that mixes and cures the curable composition of the present invention and other components as desired.
- the ratio of the total amount of isocyanate groups of the compound (U) to the total amount of hydroxy groups of the polymer ( pp ) is represented by NCO. / OH.
- the total amount of hydroxy groups in the polymer (pP) was calculated from the hydroxyl value (mgK0H / g) measured according to JIS K1557 6.4.
- the reaction was allowed to proceed while maintaining the internal temperature of the reactor at 140 ° C and the stirring speed at 300 rpm.
- the number average molecular weight (Mn) of the polyether polyol (polyolene A) obtained by this reaction was 10000, and the molecular weight distribution Mw / Mn was 1.091.
- the residual amount of the double metal cyanide complex was measured by atomic absorption method. The remaining amount of double metal cyanide complex is 15.6 ppm for zinc and 6.7 ppm for cobalt.
- the polyether polyol (Polyol A) containing the catalyst of the above-mentioned residual double metal cyanide complex was charged into a 3000 ml pressure-resistant reactor, charged at 110 ° C and vacuum dehydrated. After that, the reactor was purged with nitrogen, and the temperature was lowered to 50 ° C, and 86.5 g of ⁇ -isocyanatopropyltrimethoxysilane (purity 95%) was added so that NCO / OH (molar ratio) became 0 ⁇ 97. Then, the mixture was heated to 80 ° C. in the presence of the catalyst of the remaining double metal cyanide complex and held for 8 hours to carry out the urethanization reaction.
- Polyether polyol (polyol B) was obtained in the same manner as in Example 1 except that 350 mg of the cyan hexavalent complex of zinc hexocyanobaltate having tert_butyl alcohol as the ligand was used. .
- the polyether polyol (polyol B) had a number average molecular weight (Mn) of 10000 and a molecular weight distribution MwZMn of 1.091. Residual composite metal The remaining amount of cyanide complex was 11.3 ppm for zinc and 4.8 ppm for cobalt.
- the polyether polyol (Polyol B) containing the catalyst of the above-mentioned residual double metal cyanide complex was charged in a 3000 ml pressure-resistant reactor, heated to 110 ° C., and vacuum dehydrated. After that, the reactor was purged with nitrogen and the temperature was lowered to 50 ° C, and 86.4 g of ⁇ -isocyanatopropyltrimethoxysilane (purity 95%) was added so that NCO / OH (molar ratio) became 0.97. Then, the mixture was heated to 80 ° C. in the presence of the catalyst of the remaining double metal cyanide complex and held for 8 hours to carry out the urethanization reaction.
- Polyether polyol (polyol C1) was obtained in the same manner as in Example 1, except that 250 mg of the zinc hexanocobaltate complex metal with tert_butyl alcohol as the ligand was used. .
- the number average molecular weight (Mn) of this polyether polyol (polyol C1) was 10000, and the molecular weight distribution Mw / Mn was 1.090.
- the amount of catalyst in the remaining composite metal cyanide complex is 7.9 ppm for zinc and 3.4 ppm for cobalt.
- a polyether polyol (polyol C2) was obtained in the same manner as in Example 1, except that the complex metal cyanide complex of zinc hexanocobaltate containing glyme was changed to lOOOmg.
- the polyether polyol (polyol C2) had a number average molecular weight (Mn) of 10,000 and a molecular weight distribution Mw / Mn of 1.150.
- the catalyst amount of the remaining composite metal cyanide complex was 28.7 ppm for zinc and 12.3 ppm for cobalt.
- Polyol C1 and Polyol C2 were mixed at a mass ratio of 40:60 to obtain polyol C.
- polyether polyol Polyol D
- This polyether polyol (polyol D) had a number average molecular weight (Mn) of 15500 and a molecular weight distribution Mw / Mn of 1.190.
- the catalyst amount of the remaining composite metal cyanide complex was 21.5 ppm for zinc and 9.2 ppm for cobalt.
- polymer F A polymer having a trimethoxysilyl group (polymer F) was obtained.
- the viscosity increase rate of the polymers A to F was measured.
- the viscosity increase was measured using a B-type viscometer (rotor used: No. 6, measurement temperature: 25 ° C, rotation speed: 10.5 rotations / minute).
- the viscosity of the polymer immediately after preparation is the initial viscosity (mPa's), and the viscosity of the polymer after storage for 1 week, 2 weeks, 3 weeks, and 4 weeks at 50 ° C is the late viscosity.
- the thickening rate was calculated.
- Thickening rate means (late viscosity initial viscosity) /% of initial viscosity. The results are shown in Table 1.
- Double metal cyanide complex in polyols Double metal cyanide complex in polyols
- a tensile test was performed on each of the curable compositions (1) to (6).
- the tensile test was performed according to J IS K6251. Specifically, using a curable composition, a sheet having a thickness of 2 mm was prepared, cured for 7 days at 23 ° C and 50% humidity, and then cured for 7 days at 50 ° C and 65% humidity. . Furthermore, after standing at 23 ° C and 50% humidity for 24 hours or more, after punching into No.
- the curable composition containing the polymer (P) has a low viscosity increase and excellent storage stability, and the cured product obtained by curing the curable composition has excellent strength. I am concerned about being.
- the curable composition of the present invention has a fast curable storage capable of forming a cured product having excellent mechanical strength. It is a curable composition excellent in storage stability.
- the curable composition of the present invention comprises a sealing material (an elastic sealing material sealant for construction, a sealing material for multilayer glass, etc.), a sealing agent (anti-glazing at the edge of the glass * waterproofing sealing agent, solar cell back surface sealing It is useful as an adhesive used in the field of electrical insulation materials (electric wire * insulation coating for cables).
- the curable composition of the present invention can also be used as an adhesive, a paint material, a film material, a gasket material, and a casting material.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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CN2007800252621A CN101484499B (zh) | 2006-07-03 | 2007-06-27 | 氧化烯聚合物的制造方法及固化性组合物 |
ES07767736T ES2397539T3 (es) | 2006-07-03 | 2007-06-27 | Proceso para la producción de un polímero de oxialquileno y una composición curable |
JP2008523660A JP5521326B2 (ja) | 2006-07-03 | 2007-06-27 | オキシアルキレン重合体を含有する硬化性組成物 |
KR1020087031526A KR101369659B1 (ko) | 2006-07-03 | 2007-06-27 | 옥시알킬렌 중합체의 제조 방법 및 경화성 조성물 |
EP07767736A EP2036938B1 (en) | 2006-07-03 | 2007-06-27 | Process for production of oxyalkylene polymer and curable composition |
US12/348,544 US20090118411A1 (en) | 2006-07-03 | 2009-01-05 | Method for producing oxyalkylene polymer and curable composition |
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JP2006-183287 | 2006-07-03 | ||
JP2006183287 | 2006-07-03 |
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US12/348,544 Continuation US20090118411A1 (en) | 2006-07-03 | 2009-01-05 | Method for producing oxyalkylene polymer and curable composition |
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WO2008004482A1 true WO2008004482A1 (fr) | 2008-01-10 |
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PCT/JP2007/062938 WO2008004482A1 (fr) | 2006-07-03 | 2007-06-27 | Procédé de production de polymère d'oxyalkylène et composition durcissable |
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US (1) | US20090118411A1 (ja) |
EP (1) | EP2036938B1 (ja) |
JP (1) | JP5521326B2 (ja) |
KR (1) | KR101369659B1 (ja) |
CN (1) | CN101484499B (ja) |
ES (1) | ES2397539T3 (ja) |
TW (1) | TWI433867B (ja) |
WO (1) | WO2008004482A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2093244A1 (de) * | 2008-02-21 | 2009-08-26 | Evonik Goldschmidt GmbH | Neue Alkoxysilylgruppen tragende Polyetheralkohole durch Alkoxylierung epoxidfunktioneller Alkoxysilane an Doppelmetallcyanid (DMC)-Katalysatoren, sowie Verfahren zu deren Herstellung |
WO2011111796A1 (ja) * | 2010-03-12 | 2011-09-15 | 旭硝子株式会社 | 硬化性組成物 |
WO2011111797A1 (ja) * | 2010-03-12 | 2011-09-15 | 旭硝子株式会社 | 硬化性組成物 |
JP2012031411A (ja) * | 2010-08-02 | 2012-02-16 | Evonik Goldschmidt Gmbh | 変性アルコキシル化生成物を使用して製造されるポリマーの貯蔵寿命が延び、かつ、延伸性が増加される、少なくとも1つの非末端アルコキシシリル基を有する変性アルコキシル化生成物 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102009022631A1 (de) * | 2009-05-25 | 2010-12-16 | Evonik Goldschmidt Gmbh | Härtbare Silylgruppen enthaltende Zusammensetzungen und deren Verwendung |
DE102010038768A1 (de) * | 2010-08-02 | 2012-02-02 | Evonik Goldschmidt Gmbh | Modifizierte Alkoxylierungsprodukte mit mindestens einer nicht-terminalen Alkoxysilylgruppe mit erhöhter Lagerstabilität und erhöhter Dehnbarkeit der unter deren Verwendung hergestellten Polymere |
CN109134802B (zh) * | 2017-06-27 | 2023-09-19 | 万华化学集团股份有限公司 | 一种含磷无卤阻燃热塑性聚氨酯弹性体组合物及其制备方法和用途 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2093244A1 (de) * | 2008-02-21 | 2009-08-26 | Evonik Goldschmidt GmbH | Neue Alkoxysilylgruppen tragende Polyetheralkohole durch Alkoxylierung epoxidfunktioneller Alkoxysilane an Doppelmetallcyanid (DMC)-Katalysatoren, sowie Verfahren zu deren Herstellung |
US8450514B2 (en) | 2008-02-21 | 2013-05-28 | Evonik Goldschmidt Gmbh | Polyether alcohols bearing alkoxysilyl groups by alkoxylation of epoxy-functional alkoxysilances over double metal cyanide (DMC) catalysts, and processes for preparation thereof |
EP2918622A1 (de) * | 2008-02-21 | 2015-09-16 | Evonik Degussa GmbH | Neue Alkoxysilylgruppen tragende Polyetheralkohole durch Alkoxylierung epoxidfunktioneller Alkoxysilane an Doppelmetallcyanid (DMC)-Katalysatoren, sowie Verfahren zu deren Herstellung |
US9975909B2 (en) | 2008-02-21 | 2018-05-22 | Evonik Degussa Gmbh | Polyether alcohols bearing alkoxysilyl groups by alkoxylation of epoxy-functional alkoxysilanes over double metal cyanide (DMC) catalysts, and processes for preparation thereof |
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Also Published As
Publication number | Publication date |
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KR101369659B1 (ko) | 2014-03-04 |
TWI433867B (zh) | 2014-04-11 |
TW200829623A (en) | 2008-07-16 |
JPWO2008004482A1 (ja) | 2009-12-03 |
JP5521326B2 (ja) | 2014-06-11 |
EP2036938B1 (en) | 2012-12-26 |
CN101484499B (zh) | 2013-03-27 |
KR20090024190A (ko) | 2009-03-06 |
EP2036938A4 (en) | 2010-06-09 |
EP2036938A1 (en) | 2009-03-18 |
US20090118411A1 (en) | 2009-05-07 |
CN101484499A (zh) | 2009-07-15 |
ES2397539T3 (es) | 2013-03-07 |
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