WO2006075710A1 - コーティング剤組成物およびその用途 - Google Patents
コーティング剤組成物およびその用途 Download PDFInfo
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- WO2006075710A1 WO2006075710A1 PCT/JP2006/300386 JP2006300386W WO2006075710A1 WO 2006075710 A1 WO2006075710 A1 WO 2006075710A1 JP 2006300386 W JP2006300386 W JP 2006300386W WO 2006075710 A1 WO2006075710 A1 WO 2006075710A1
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- isocyanate
- polyol
- coating
- agent composition
- coating agent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/227—Catalysts containing metal compounds of antimony, bismuth or arsenic
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Definitions
- the present invention relates to a coating agent composition, an article having a coating film obtained from the coating agent composition, and a film obtained from the coating agent composition.
- a moisture-permeable material suitable for clothing materials and the like which has a substantially non-porous hydrophilic polyurethane-based resin layer on the surface of a porous substrate such as fabric.
- the hydrophilic polyurethane resin layer exhibits moisture permeation by absorbing moisture from the high humidity side and releasing moisture to the low humidity side.
- the hydrophilic polyurethane-based resin layer has high hydrophilicity and is mainly composed of polyol and isocyanate compound.
- a two-component solution that combines the isocyanate group-containing prepolymer obtained by reacting a highly hydrophilic polyol with an isocyanate compound and a curing agent.
- a mold coating composition is used.
- the coating agent composition is a coating agent composition that retains the flexibility and elongation of the hydrophilic polyurethane-based resin to a certain degree and has high mechanical strength and a coating film or film
- Patent Document 1 Coating composition that forms a highly stretched and moisture-permeable coating film or film (Patent Document 2); I Good mechanical properties such as tensile strength and wear resistance, and does not swell in water. A coating composition having good durability has been reported (Patent Document 3).
- the coating film obtained from the conventional coating agent composition uses aromatic polyisocyanate as an isocyanate compound, which is a raw material of the isocyanate group-containing prepolymer, it turns yellow by sunlight or NOx.
- discoloration that is, inferior yellowing resistance (light resistance, NOx resistance).
- organotin compounds When a catalyst is required in the reaction between the polyol and the isocyanate compound, an organic tin compound (dibutyltin dilaurate or the like) is used.
- an organic tin compound dibutyltin dilaurate or the like
- Patent Document 1 Japanese Patent Laid-Open No. 62-57467
- Patent Document 2 JP-A-3-229773
- Patent Document 3 Japanese Patent Laid-Open No. 2002-69370
- the present invention has moisture permeability, excellent mechanical properties such as tensile strength, elongation, wear resistance, etc., has a low water absorption swelling rate and has washing durability, and further swells and deteriorates due to sweat components.
- a coating agent composition for forming a film is provided.
- the coating agent composition of the present invention has an average number of hydroxyl groups of 2 to 4, and an oxyethylene group content of 85 to L00% by mass in all oxyalkylene groups (100% by mass).
- a polyol containing a polyoxyalkylene polyol having a molecular weight of 800 to 2500 and an isocyanate compound comprising an alicyclic isocyanate and an Z or aliphatic isocyanate having an isocyanate index of 150 to 300 are organically mixed. It contains an isocyanate group-containing prepolymer obtained by reacting in the presence of a bismuth acid salt catalyst.
- the polyoxyalkylene polyol is a polyoxyethylene having an average number of hydroxyl groups of 2 to 4.
- polyoxyethylene polyoxypropylene polyol having an average number of hydroxyl groups of 2 to 4 or Z.
- the isocyanate compound is isophorone diisocyanate.
- the organic acid bismuth salt catalyst is preferably an aliphatic carboxylic acid bismuth salt having 6 to 20 carbon atoms.
- the amount of the organic acid bismuth salt catalyst is preferably 5 to 100 ppm with respect to the total amount of all polyols and isocyanate compounds.
- the present invention also provides an article having a coating film obtained from the coating agent composition of the present invention.
- the present invention also provides a film obtained from the coating composition of the present invention.
- the invention's effect is to provide a film obtained from the coating composition of the present invention.
- the coating agent composition of the present invention has excellent mechanical properties such as tensile strength, elongation, and abrasion while maintaining sufficient moisture permeability, and has a low water absorption swelling rate and durability for washing.
- it has sweat resistance that does not swell or deteriorate due to sweat components, and is excellent in yellowing resistance over a long period of time even when exposed to sunlight or NOx. .
- an article having a coating film obtained from the coating composition of the present invention has excellent mechanical properties and yellowing resistance while maintaining sufficient coating film moisture permeability, washing durability, and sweat resistance deterioration. And has no organotin compound.
- the film of the present invention is excellent in mechanical properties and yellowing resistance while maintaining sufficient moisture permeability, has washing durability and sweat deterioration resistance, and does not contain an organic tin compound.
- the coating agent composition of the present invention comprises an isocyanate group-containing prepolymer obtained by reacting a polyol containing a polyoxyalkylene polyol and an isocyanate compound in the presence of a urethanization catalyst.
- the polyoxyalkylene polyol used in the present invention is preferably a polyoxyalkylene polyol obtained by ring-opening addition polymerization of alkylene oxide in the presence of a ring-opening addition polymerization catalyst and in the presence of an initiator.
- the initiator has a functional group such as a hydroxyl group, an amino group, an imino group, and a carboxyl group to which an alkylene oxide can be added, and the functional group has 2 to 8 active hydrogen atoms, particularly Two to four compounds are preferred.
- the initiator include polyhydric alcohols, alkanolamines, polyamines and the like.
- polyhydric alcohols such as ethylene glycol, propylene glycol, glycerin, trimethylolpropane, 1, 2, 6-hexanetriol, pentaerythritol, diglycerin, dextrose, sucrose; monoethanolamine, diethanol Alkanolamines such as amine and triethanolamine; polyamines such as ethylenediamine and propylenediamine; and alkylene oxide adducts thereof.
- Diethylene glycol, propylene glycol, glycerin, pentaerythritol, and trimethylolpropane are particularly preferable as the initiator.
- One initiator may be used alone, or two or more initiators may be used in combination.
- alkylene oxide examples include ethylene oxide, propylene oxide, 1,2-butylene oxide, 2,3-butylene oxide, and the like.
- alkylene oxide ethylene oxide alone or a combination of ethylene oxide and propylene oxide is particularly preferable.
- ring-opening addition polymerization catalyst examples include alkali metal compound catalysts and complex metal cyanide complex catalysts.
- the polyoxyalkylene polyol may be one in which an ethylene oxide, propylene oxide or the like is used as an initiator in a ring-opening addition polymerization in a block shape, or may be a ring-opening addition polymerization in a random shape. It may include both.
- the polyoxyalkylene polyol is preferably a polyoxyethylene polyol, a polyoxyethylene polyoxypropylene polyol, or a mixture thereof.
- Okishiechiren group content of polyoxyalkylene polyol in the total Okishiarukiren groups (100 mass 0/0), 85 to: L00 is the mass 0/0.
- the “oxyalkylene group” is a group formed by ring-opening addition polymerization of alkylene oxide. When an alkylene oxide is subjected to ring-opening addition polymerization using an alkylene oxide adduct such as a polyhydric alcohol as an initiator, the oxyalkylene group in the initiator is also included.
- the arithmetic average molecular weight of the polyoxyalkylene polyol is 800 to 2500.
- the polyoxyalkylene polyol may be a single type or a mixture of two or more types.
- the “arithmetic average molecular weight” in the present invention means a hydroxyl value-converted molecular weight itself calculated from the hydroxyl value based on JIS K 1557 by the following formula when the polyoxyalkylene polyol is one kind alone. In the case of a mixture, it is calculated from the hydroxyl value-converted molecular weight of each polyoxyalkylene polyol calculated by the following formula and each mole fraction.
- Hydroxyl-equivalent molecular weight 56100 X (number of active hydrogen atoms in the initiator used to produce the polyoxyalkylene polyol) Z hydroxyl value
- the resulting coating film has a sufficient moisture permeability and a soft texture V without an increase in modulus.
- the arithmetic average molecular weight of the polyoxyalkylene polyol is set to 2500 or less, the water absorption swelling rate of the obtained coating film is suppressed, the washing durability is improved, and the property of swelling of the coating film by oleic acid is also suppressed. And sweat resistance.
- the polyoxyalkylene polyol is a mixture
- the hydroxyl value-converted molecular weight of each polyoxyalkylene polyol is 500 to 5000, preferably S, and particularly preferably 800 to 4000.
- the average number of hydroxyl groups of the polyoxyalkylene polyol is 2 to 4, and 2.3 to 3 is preferred. Yes.
- the resulting coating film has sufficient mechanical properties, sweat resistance, and washing durability.
- the average number of hydroxyl groups of the polyoxyalkylene polyol is 4 or less, the resulting coating film has sufficient moisture permeability and a soft texture that does not increase the modulus, and when a curing agent is used. Even if it exists, the reactivity is suppressed and the favorable coating film with which a foaming phenomenon hardly occurs is obtained.
- the number of hydroxyl groups in each polyoxyalkylene polyol is equal to the number of active hydrogen atoms in the initiator used when producing the polyoxyalkylene polyol.
- the number of hydroxyl groups is 2 to 4 (more preferably 2 to 3), and the hydroxyl value-converted molecular weight is 500 or more and less than 2000. mole% to less than 100 mol%, a hydroxyl group number of 2 to 4 (more preferably 2 to 3), and a hydroxyl value-based molecular weight exceeds the polio xylene alkylene polyol 0 mole 0/0 of 2000 to 5000 80 it is good preferable is a mixture of mole 0/0 or less. It is particularly preferably a mixture of the former 50 to 90 mole 0/0 and the latter 10 to 50 mole 0/0. In addition, at least one of the hydroxyl groups is preferably 3.
- a mixture of a polyoxyalkylene polyol having a hydroxyl number of 2 and a hydroxyl value converted molecular weight of 800 to 2500 and a polyoxyalkylene polyol having a hydroxyl number of 3 and a hydroxyl value converted molecular weight of 800 to 2500 is also available.
- a mixture of more than 0% by mole of the former less than 80 mole 0/0 following the latter 20 mole 0/0 to 100 mole 0/0 are preferred.
- a polyol other than the polyoxyalkylene polyol may be used in combination.
- other polyols include polyhydric alcohols.
- Polyhydric alcohols include ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, 1,4 butanediol, neopentyl glycol, 1,5 pentane diol, 3-methyl-1,5 pentanediol, 1,6 hexane
- dihydric alcohols such as diols.
- the ratio of the polyoxyalkylene polyol in the total polyol (100% by mass) is substantially 100% by mass, preferably 80% by mass or more, more preferably 90% by mass or more. It is especially preferred.
- the isocyanate compounds in the present invention are cycloaliphatic isocyanates and Z or aliphatic isocyanates. By using alicyclic isocyanate and Z or aliphatic isocyanate, yellowing resistance of the resulting coating film is excellent.
- Cycloaliphatic isocyanates include isophorone diisocyanate, 4,4, -dicyclohexylmethane diisocyanate, 2,5 norbornane diisocyanate, 2,6 norbornane diisocyanate, 2,5 norbornane diisocyanate. And a mixture of 2,6 norbornane sulfonate.
- Examples of the aliphatic isocyanate include 1,6 hexamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, lysine diisocyanate, lysine triisocyanate, etc. Is mentioned.
- isophorone diisocyanate which is preferred to alicyclic isocyanate, is particularly preferred because of its excellent yellowing resistance, mechanical properties, washing durability and low cost.
- an organic acid bismuth salt catalyst that has little impact on the environment is used.
- the organic acid bismuth salt catalyst is also preferred because it promotes the urethanization reaction in a relatively small amount and provides stable reactivity.
- Examples of the organic acid bismuth salt catalyst include aliphatic bismuth carboxylate having 6 to 20 carbon atoms, bismuth oxalate salt having 6 to 20 carbon atoms, and the like.
- Examples of bismuth oxalate salts include bismuth salts of alicyclic carboxylic acids having 6 to 20 carbon atoms such as abietic acid, neoabietic acid, d-pimalic acid, iso-d-pimalic acid, and podocarpic acid; benzoic acid and key skin
- Examples thereof include bismuth salts of aromatic carboxylic acids having 6 to 20 carbon atoms, such as acid and p-oxycinnamic acid.
- Examples of the aliphatic carboxylic acid bismuth salt having 6 to 20 carbon atoms include bismuth salts of aliphatic monocarboxylic acids having 6 to 20 carbon atoms such as octylic acid, neodecanoic acid and neododecanoic acid.
- the organic acid bismuth salt catalyst the bismuth octylate salt is particularly preferred because of its high reactivity and low temperature dependency, with preference being given to aliphatic carboxylic acid bismuth salts having 6 to 20 carbon atoms.
- the addition amount of the organic acid bismuth salt catalyst is 5 to: LOOppm force S, particularly preferably 10 to 50 ppm, based on the total amount of all polyols and isocyanate compounds.
- LOOppm force S particularly preferably 10 to 50 ppm, based on the total amount of all polyols and isocyanate compounds.
- the isocyanate group-containing prepolymer is obtained by reacting a polyol containing a polyoxyalkylene polyol and an isocyanate compound in the presence of a urethanization catalyst.
- the reaction temperature is preferably 40 to 150 ° C.
- the ratio of the polyol containing the polyoxyalkylene polyol and the isocyanate compound is 150 to 300, preferably 160 to 290, as the isocyanate index.
- the isocyanate index is a numerical value obtained by multiplying the ratio of the isocyanate group equivalent of the isocyanate compound to the hydroxyl equivalent of all polyols by 100.
- the coating agent composition of the present invention may be a two-component system comprising a main ingredient component containing an isocyanate group-containing prepolymer and a curing agent ingredient.
- the curing agent examples include compounds having two or more active hydrogen-containing functional groups, and relatively low molecular weight polyols, alkanolamines, and polyamines are preferable.
- a diol or diamine having a molecular weight of 400 or less is particularly preferred.
- the molecular weight of the diol or diamine is more preferably 300 or less, particularly preferably 200 or less.
- Examples of the curing agent include ethylene glycol, diethylene glycol, propylene glycolate, dipropylene glycol, 1,4 butanediol, neopentyl glycol, 1,5 pentanediol, 3-methyl-1,5-pentanediol, 1, 6 Dihydric alcohols such as hexanediol; ethylenediamine, 1, 2 propylenediamine, 1, 3— Polyamines such as propylene diamine, 1,4-tetramethylene diamine, 1,6-hexamethylene diamine, isophorone diamine, 4,4'-cyclohexane diamine, N-methyl jetanolamine, etc. Can be mentioned.
- the curing agent is used in an amount of 0.6 to 1.6 moles of active hydrogen-containing functional group of the curing agent, preferably 1 to 6 moles of isocyanate group of the isocyanate group-containing prepolymer.
- An amount such that the functional group is 0.8 to 1.4 mol is particularly preferable.
- the coating agent composition of the present invention may be cured with moisture in the air, polyamine vapor or the like without using a curing agent.
- an amine catalyst triethylamine, triethylenediamine, 2, 2'-dimorpholinojetyl ether, etc.
- the coating agent composition of the present invention may contain an antioxidant, a light stabilizer, an ultraviolet absorber, a flame retardant, a filler, a colorant, a plasticizer, and other components.
- the article of the present invention has a coating film obtained from the coating agent composition of the present invention. Specifically, it has a coating film formed by applying the coating composition of the present invention to a porous substrate such as a fabric and curing it.
- a porous substrate such as a fabric and curing it.
- the article of the present invention include sports clothing, tents, and industrial materials having moisture permeability.
- the film of the present invention is obtained from the coating composition of the present invention. Specifically, it is a film obtained by peeling off a coating film formed by applying the coating agent composition of the present invention to a peeling substrate and curing it.
- the obtained coating film or film is preferably non-permeable and substantially nonporous when used as a moisture-permeable material. Therefore, it is preferable not to use a curing method that forms a porous film such as a wet coagulation method.
- the obtained coating film or film may be in the form of foam having bubbles. That is, it may be a foam-like coating film or film that is substantially non-breathable.
- the coating film or film obtained from the coating agent composition of the present invention is preferably substantially bubble-free, that is, a substantially solid coating film or film.
- the coating agent composition of the present invention contains an isocyanate group-containing prepolymer obtained by using an alicyclic isocyanate and Z or an aliphatic isocyanate as an isocyanate compound. Compared with a coating agent composition containing an isocyanate group-containing prepolymer obtained by using a group isocyanate, the coating film is excellent in yellowing resistance.
- This coating agent composition has, as a polyol, an average number of hydroxyl groups of 2 to 4, an oxyethylene group content of 85 to 100% by mass in all oxyalkylene groups (100% by mass), and an arithmetic average molecular weight of 800. Since it contains an isocyanate group-containing prepolymer obtained by using a polyol containing a polyoxyalkylene polyol of ⁇ 2500, the washing durability and sweat resistance of the coating film are sufficiently maintained.
- the coating composition of the present invention uses alicyclic isocyanate and Z or aliphatic isocyanate as the isocyanate compound, the increase in viscosity of the resulting isocyanate group-containing prepolymer is suppressed.
- a coating film obtained from a coating composition comprising a polyol containing a polyoxyalkylene polyol having an oxyethylene group content of 85% by mass or more, and an isocyanate group-containing prepolymer comprising an alicyclic isocyanate and Z or an aliphatic isocyanate.
- the coating agent composition of the present invention comprises an isocyanate group-containing prepolymer obtained by reacting a polyol and an isocyanate compound in the presence of an organic acid bismuth salt catalyst. Therefore, a coating film or film that does not contain an organotin compound is obtained, and the influence on the environment is small.
- part in an Example and a comparative example is a mass part.
- IPDI Isophorone diisocyanate (manufactured by Sumika Bayer Urethane Co., Ltd., Death Module I).
- MDI 4, 4, 1-dimethanemethane diisocyanate (manufactured by Nippon Polyurethane Industry, Millionate MT).
- T—1000—100 hydroxyl value obtained by ring-opening addition polymerization of ethylene oxide in the presence of glycerin as an initiator using a potassium hydroxide catalyst, molecular weight 166 mgKOHZg (hydroxyl value equivalent molecular weight 1014) Polyoxyalkylene triol having 3 hydroxyl groups and an oxyethylene group content in all oxyalkylene groups of 100% by mass.
- T-3500-80 obtained by ring-opening addition polymerization of a mixture of ethylene oxide and propylene oxide (mass ratio 80:20) in the presence of glycerin as an initiator using potassium hydroxide catalyst , hydroxyl value 47.
- polyoxy alkylene triol Okishiechiren group content in the total Okishiarukiren group is 80 mass 0/0.
- D-2000-80 A ring-opening addition polymerization of a mixture of ethylene oxide and propylene oxide (mass ratio 80:20) in the presence of propylene glycol as an initiator using a potassium hydroxide catalyst.
- the obtained polyoxyalkylene diol having a hydroxyl value of 56.3 mgKOH, g (molecular weight converted to molecular weight of 199 3), a hydroxyl number of 2, and an oxyethylene group content in all oxyalkylene groups of 80% by mass.
- An isocyanate group-containing prepolymer was obtained in the same manner as in Example 1 except that the mixing ratio of T-1000-100 and T-3500-80 and the isocyanate index were set to the values shown in Table 1.
- An isocyanate group-containing prepolymer was obtained in the same manner as in Example 1 except that the mixing ratio of T-1000-100 and T-3500-80 and the isocyanate index were set to the values shown in Table 1.
- An isocyanate group-containing prepolymer was obtained in the same manner as in Example 1 except that only T1000-100 was used as the polyol in the amount shown in Table 1 and the isocyanate index was changed to the value shown in Table 1.
- the isocyanate group-containing prepolymer was changed in the same manner as in Example 1 except that the IPDI was changed to MDI and the polyol mixing ratio was changed as shown in Table 2 so that the arithmetic average molecular weight of the polyol was 1500. Obtained.
- IPDI was changed to MDI, and T-3500-80 and polyol were used. And D-2000-80 were used in the amounts shown in Table 2, and the isocyanate group-containing prepolymer was obtained in the same manner as in Example 1 except that the isocyanate index was changed to the value shown in Table 2.
- Example 3 Similar to Example 3 described in Patent Document 3, except that IPDI was changed to MDI, T-3500-80 was used as the polyol in the amount shown in Table 2, and the isocyanate index was changed to the value shown in Table 2. In the same manner as in Example 1, an isocyanate group-containing prepolymer was obtained.
- An isocyanate group-containing prepolymer was obtained in the same manner as in Example 1 except that the mixing ratio of T-1000-100 and T-3500-80 and the isocyanate index were the values shown in Table 2.
- the isocyanate group content (% by mass) of the isocyanate group-containing prepolymers obtained in Examples and Comparative Examples was determined according to JIS K 7301.
- the viscosity (mPa's) of isocyanate group-containing prepolymer at 25 ° C was measured according to JIS K 1603 using a RE80 viscometer manufactured by Toki Sangyo Co., Ltd. The results are shown in Tables 1 and 2.
- the isocyanate group-containing prepolymers of Examples 1 to 5 and Comparative Examples 1 to 4 were moisture-cured to obtain molded sheets.
- Examples 1 to 5 and Comparative Example 4 in which IPDI was used for the isocyanate compound 0.5% by mass of 2,2′-dimorpholinojetyl ether was added in order to promote moisture curing.
- the isocyanate group-containing prepolymer was coated on a biaxially stretched polypropylene film, and then allowed to stand in an atmosphere of 20 ° C. and a relative humidity of 60% for 5 days to obtain a film having a thickness of 50 ⁇ m. Similarly, a film having a thickness of 100 ⁇ m was obtained.
- a 100 m thick film was used for evaluations other than moisture permeability.
- a film with a thickness of 100 / zm was used to compare the examples of moisture permeability. For some examples, we measured the moisture permeability of a 50 m film that was close to the film thickness actually used.
- Table 1 shows the following evaluation results of Examples 1 to 5 and Table 2 of Comparative Examples 1 to 4.
- the moisture permeability (g / m 2 '24hr) was measured by the JIS L 1099 B-2 method.
- the measured moisture permeability was converted to the moisture permeability per 24 hours.
- the film was cut into a disk shape with a diameter of 35 mm, immersed in water at 23 ° C for 72 hours, measured for mass, and the water absorption swelling rate was calculated according to the following formula.
- Water absorption swelling ratio (%) ⁇ (mass after water immersion mass before one water immersion) Z mass before water immersion ⁇ X 100
- the film was cut into a disk shape with a diameter of 35 mm, immersed in 80 ° C. oleic acid for 150 hours, measured for mass, and the oleic acid swelling ratio was calculated according to the following formula.
- Oleic acid swelling rate (%) ⁇ (mass after immersion in oleic acid, mass before immersion in oleic acid) mass before immersion in Zoleic acid ⁇ X 100
- Light resistance was measured by irradiating with light for 14 hours in an atmosphere of 63 ° C and 50% relative humidity in accordance with JIS L 0843. The degree of yellowing was determined on a scale of 1 (bad) to 5 (good).
- NOx resistance was measured according to the strong test method of JIS L 0855. The degree of yellowing was determined on a scale of 1 (bad) to 5 (good).
- Isocyanate group content (% by mass) 8 4 4.0 6.2 6.2
- Viscosity (mPa's) (25 ° C) 43000 28300 15500 10000
- Comparative Example 1 in which the isocyanate compound of Example 1 was replaced with MDI showed extremely poor moisture permeability and inferior light resistance and NOx resistance.
- Comparative Example 2 and Comparative Example 3 corresponding to the coating agent compositions described in Patent Document 1 and Patent Document 3 satisfy the moisture permeability, tensile physical properties, and water absorption swelling rate, but the light resistance and NOx resistance are I know it ’s bad. It can be seen that Comparative Example 4 has a poor oleic acid swelling rate.
- the coating agent composition of the present invention has excellent mechanical properties while maintaining sufficient moisture permeability, has washing durability, sweat resistance, has excellent yellowing resistance, and contains an organic tin compound.
- a film or film can be formed, and it is extremely useful as a moisture-permeable coating agent for sports clothing, tents, industrial materials and the like.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (5)
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CN2006800022894A CN101103084B (zh) | 2005-01-13 | 2006-01-13 | 涂层剂组合物及其用途 |
JP2006552991A JP5176324B2 (ja) | 2005-01-13 | 2006-01-13 | コーティング剤組成物およびその用途 |
KR1020077015921A KR101259193B1 (ko) | 2005-01-13 | 2006-01-13 | 코팅제 조성물 및 그의 용도 |
EP20060711671 EP1837382B1 (en) | 2005-01-13 | 2006-01-13 | Coating agent composition and use thereof |
US12/337,286 US8841402B2 (en) | 2005-01-13 | 2008-12-17 | Coating agent composition and use thereof |
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JP2005-006196 | 2005-01-13 | ||
JP2005006196 | 2005-01-13 |
Related Child Applications (1)
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US11/777,532 Continuation US20070287823A1 (en) | 2005-01-13 | 2007-07-13 | Coating agent composition and use thereof |
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WO2006075710A1 true WO2006075710A1 (ja) | 2006-07-20 |
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PCT/JP2006/300386 WO2006075710A1 (ja) | 2005-01-13 | 2006-01-13 | コーティング剤組成物およびその用途 |
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US (2) | US20070287823A1 (ja) |
EP (1) | EP1837382B1 (ja) |
JP (1) | JP5176324B2 (ja) |
KR (1) | KR101259193B1 (ja) |
CN (1) | CN101103084B (ja) |
TW (1) | TW200641074A (ja) |
WO (1) | WO2006075710A1 (ja) |
Cited By (2)
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WO2014002908A1 (ja) * | 2012-06-26 | 2014-01-03 | 旭硝子株式会社 | コーティング剤、ならびにこれを用いた塗膜およびフィルム |
JP2015052109A (ja) * | 2013-08-08 | 2015-03-19 | 積水化学工業株式会社 | 難燃性塗料組成物 |
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ES2692278T3 (es) | 2008-07-09 | 2018-12-03 | Borealis Ag | Módulo fotovoltaico que comprende una capa de aislamiento con grupos silano |
JP6490587B2 (ja) | 2012-11-19 | 2019-03-27 | オムニセル, インコーポレイテッド | 複数のrfidリーダを備えた保管キャビネット |
CN103694881A (zh) * | 2013-11-27 | 2014-04-02 | 青岛海洋先进材料工程技术中心有限公司 | 一种单组份潮气固化的脂肪族聚氨酯涂料及其制备方法 |
RU2536690C1 (ru) * | 2013-12-23 | 2014-12-27 | Владимир Павлович Лобко | Защитный состав для покрытия и пропитки поверхностей бетонных, металлических, деревянных, пластмассовых и стеклянных конструкционных материалов |
JP6608462B2 (ja) * | 2015-06-15 | 2019-11-20 | ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング | ポリウレタン被覆剤組成物及び多層被覆塗装系を製造するためのその使用 |
EP3334773A1 (de) * | 2015-08-11 | 2018-06-20 | BASF Coatings GmbH | Beschichtungsmittelsystem basierend auf bi-katalysatoren und aromatischen carbonsäuren |
CN105670492A (zh) * | 2016-03-18 | 2016-06-15 | 湖州国信物资有限公司 | 一种防汗型水性聚氨酯复合涂料及其制备方法 |
RU2690116C1 (ru) * | 2018-12-10 | 2019-05-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВО "КНИТУ") | Полиуретановая защитная композиция |
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JP2015052109A (ja) * | 2013-08-08 | 2015-03-19 | 積水化学工業株式会社 | 難燃性塗料組成物 |
Also Published As
Publication number | Publication date |
---|---|
JP5176324B2 (ja) | 2013-04-03 |
EP1837382A1 (en) | 2007-09-26 |
CN101103084A (zh) | 2008-01-09 |
CN101103084B (zh) | 2010-09-29 |
KR20070094914A (ko) | 2007-09-27 |
JPWO2006075710A1 (ja) | 2008-06-12 |
EP1837382B1 (en) | 2014-07-16 |
KR101259193B1 (ko) | 2013-04-29 |
US8841402B2 (en) | 2014-09-23 |
US20070287823A1 (en) | 2007-12-13 |
EP1837382A4 (en) | 2013-04-03 |
US20090104451A1 (en) | 2009-04-23 |
TW200641074A (en) | 2006-12-01 |
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