WO2015059796A1 - エマルション樹脂用成膜助剤組成物 - Google Patents
エマルション樹脂用成膜助剤組成物 Download PDFInfo
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- WO2015059796A1 WO2015059796A1 PCT/JP2013/078823 JP2013078823W WO2015059796A1 WO 2015059796 A1 WO2015059796 A1 WO 2015059796A1 JP 2013078823 W JP2013078823 W JP 2013078823W WO 2015059796 A1 WO2015059796 A1 WO 2015059796A1
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- 0 CC(C)(*C(C)(C)OC)[N+](C)[O-] Chemical compound CC(C)(*C(C)(C)OC)[N+](C)[O-] 0.000 description 1
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- 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
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
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- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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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
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
Definitions
- the present invention relates to a film forming aid composition for an emulsion resin, which has good product stability and further has a long-term storage stability of the blended emulsion resin.
- Emulsion resins are widely used for adhesives and paints because the medium is water and they are safe in terms of flammability and toxicity.
- the minimum temperature at which the emulsion resin dries to form a continuous film is referred to as the minimum film formation temperature (MFT).
- MFT minimum film formation temperature
- the MFT varies depending on the type and composition of the emulsion resin, but the MFT of a commonly used emulsion resin is in the range of 10 to 70 ° C. For this reason, especially when using emulsions in winter, when drying at a temperature of MFT or lower, whitening occurs without forming a transparent continuous film, resulting in problems such as insufficient performance or poor design. It was.
- acrylic emulsion resins have a high MFT, and there are many types of emulsions that cannot obtain sufficient adhesive strength even in summer. For this reason, it is forcibly heated, etc. to give a sufficient temperature for film formation, but it requires a long time at high temperature, lowers the MFT and forms the film in a short time. There has been a demand for a film-forming aid that can be used.
- a plasticizer or a high boiling point solvent is generally added as a film forming aid.
- dibutyl phthalate, dimethyl phthalate, tricresyl phosphate and the like are added as the plasticizer, and butyl cellosolve, butyl carbitol, N-methylpyrrolidone and the like are added as the high boiling point solvent.
- dibutyl phthalate is generally used because of its low price and good stability of plasticized emulsions.
- film formation performance is not so good, and in order to obtain an emulsion that forms films at low temperatures. It is necessary to use a large amount.
- the formed film is excessively plasticized, so that the heat resistance of the film is lowered, and there is a drawback that it easily creeps under load.
- phthalates such as dibutyl phthalate have been pointed out to cause reproductive abnormalities as environmental hormones, and their use has been avoided.
- high-boiling solvents such as butyl cellosolve, butyl carbitol, and N-methylpyrrolidone have a characteristic odor and have the disadvantage of reducing the water resistance of the formed film.
- these solvents are concerned about the influence on the human body, are regulated as volatile organic compounds (VOC), and their use is restricted.
- VOC volatile organic compounds
- the amount of organic compounds emitted is regulated by the Air Pollution Control Law to suppress the emission of organic compounds released into the atmosphere, but compounds with a boiling point of less than 260 ° C have a large amount of emissions. Therefore, an organic compound having a boiling point of 260 ° C. or higher has been desired as a film forming aid.
- Patent Document 1 discloses a film forming aid for an acrylic emulsion resin comprising a compound having two ester bonds and 1 to 10 ether bonds.
- the problem to be solved by the present invention is a film forming aid having a low odor and a high boiling point and good film forming property, and a film forming aid for emulsion resin having good long-term storage stability of the blended emulsion resin. It is to provide a composition.
- the present inventors diligently studied and found a film-forming auxiliary composition for emulsion resin having good long-term storage stability of the blended emulsion resin while maintaining good performance as a film-forming auxiliary. It came. That is, the present invention provides an ester compound (A) represented by the following general formula (1) and / or general formula (2), and a fatty acid represented by general formula (3) and / or general formula (4).
- A an ester compound represented by the following general formula (1) and / or general formula (2)
- a fatty acid represented by general formula (3) and / or general formula (4).
- R 1 and R 5 each represent a hydrocarbon group having 1 to 10 carbon atoms
- R 2 and R 4 each represent an alkylene group having 2 to 4 carbon atoms
- R 3 represents 1 carbon atom
- p and r each represents a number of 1 to 5.
- R 6 and R 8 each represent a hydrocarbon group having 1 to 10 carbon atoms
- R 7 represents an alkylene group having 2 to 4 carbon atoms
- m represents a number of 2 to 10).
- R 9 represents an alkylene group having 1 to 15 carbon atoms.
- R 10 —COOH (4) wherein R 10 represents a hydrocarbon group having 1 to 10 carbon atoms.
- the effect of the present invention is to provide a film forming aid composition for an emulsion resin, which is a film forming aid having a low odor and a high boiling point and good film forming properties, and having a good long-term storage stability of the blended emulsion. is there.
- ester compound (A) that can be used in the film forming aid composition for an emulsion resin of the present invention is represented by the following general formula (1) or general formula (2):
- R 1 and R 5 in the general formula (1) each represents a hydrocarbon group having 1 to 10 carbon atoms.
- hydrocarbon groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, secondary butyl, tertiary butyl, pentyl, isopentyl, secondary pentyl, and hexyl groups.
- Alkyl group vinyl group, allyl group, propenyl group, isopropenyl group, butenyl group, isobutenyl group, pentenyl group, isopentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group and the like alkenyl group; phenyl group , Aryl groups such as toluyl group, xylyl group, cumenyl group; cyclopentyl group Cyclohexyl group, cycloheptyl group, methylcyclopentyl group, a cycloalkyl group such as a methyl cyclohexyl group.
- hydrocarbons having 2 to 8 carbon atoms are preferable because of low MFT, hydrocarbon groups having 3 to 6 carbon atoms are more preferable, and alkyl groups having 3 to 6 carbon atoms are more preferable. If the number of carbon atoms exceeds 10, the miscibility with the emulsion resin may deteriorate, and adverse effects such as thickening of the emulsion may occur.
- R 3 in the general formula (1) represents an alkylene group having 1 to 15 carbon atoms.
- alkylene group examples include a methylene group, an ethylene group, a propylene group, an isopropylene group, a butylene group, an isobutylene group, a pentylene group, an isopentylene group, a hexylene group, an isohexylene group, a heptylene group, an isoheptylene group, an octylene group, and an isooctylene group.
- An arylene group such as a phenylene group, a methylphenylene group, a dimethylphenylene group, an ethylphenylene group, a propylphenylene group, a butylphenylene group, and a naphthalene group.
- an alkylene group is preferable because the MFT is low, and an alkylene group having 1 to 4 or 8 carbon atoms is more preferable because the raw material is easily available.
- R 2 and R 4 in the general formula (1) each represents an alkylene group having 2 to 4 carbon atoms.
- Examples of such a group include an ethylene group, a propylene group, an isopropylene group, a butylene group, and an isobutylene group.
- an ethylene group is preferred because of its good miscibility with the emulsion resin and a high effect of lowering the MFT.
- p and r each represent a number of 1 to 5, but a number of 2 to 4 is preferable because of good film forming performance. If p and r are larger than 5, the film forming performance may be insufficient.
- corresponding R 2 and R 4 also include two or more groups correspondingly, and these may be the same or different.
- dicarboxylic acid examples include methanedicarboxylic acid, ethanedicarboxylic acid, propanedicarboxylic acid, butanedicarboxylic acid, pentanedicarboxylic acid, hexanedicarboxylic acid, heptanedicarboxylic acid, octanedicarboxylic acid, nonanedicarboxylic acid, decanedicarboxylic acid, and undecanedicarboxylic acid.
- R 6 and R 8 in the general formula (2) each represent a hydrocarbon group having 1 to 10 carbon atoms.
- hydrocarbon groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, secondary butyl, tertiary butyl, pentyl, isopentyl, secondary pentyl, and hexyl groups.
- Alkyl group vinyl group, allyl group, propenyl group, isopropenyl group, butenyl group, isobutenyl group, pentenyl group, isopentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group and the like alkenyl group; phenyl group , Aryl groups such as toluyl group, xylyl group, cumenyl group; cyclopentyl group Cyclohexyl group, cycloheptyl group, methylcyclopentyl group, a cycloalkyl group such as a methyl cyclohexyl group.
- hydrocarbons having 2 to 8 carbon atoms are preferable because of low MFT, hydrocarbon groups having 3 to 6 carbon atoms are more preferable, and alkyl groups having 3 to 6 carbon atoms are more preferable. If the number of carbon atoms exceeds 10, the miscibility with the emulsion resin may deteriorate, and adverse effects such as thickening of the emulsion may occur.
- R 7 in the general formula (2) represents an alkylene group having 2 to 4 carbon atoms.
- Examples of such a group include an ethylene group, a propylene group, an isopropylene group, a butylene group, and an isobutylene group.
- an ethylene group is preferred because of its good miscibility with the emulsion resin and a high effect of lowering the MFT.
- M in the general formula (2) represents a number of 2 to 10, and is preferably a number of 2 to 8 and more preferably a number of 2 to 5 because of good film forming performance. If it is less than 2, the compounding property to the emulsion resin may deteriorate, and if it exceeds 10, the film forming performance may be insufficient.
- R 7 corresponding to m includes two or more groups, these may all be the same or different.
- monovalent fatty acids include acetic acid, propionic acid, butanoic acid (butyric acid), pentanoic acid, isopentanoic acid, hexanoic acid, heptanoic acid, isoheptanoic acid, octanoic acid, 2-ethylhexanoic acid, isooctanoic acid, nonanoic acid, Alkyl fatty acids such as isononanoic acid, decanoic acid, isodecanoic acid, undecanoic acid, isoundecanoic acid; benzoic acid, methylbenzoic acid, ethylbenzoic acid, propylbenzoic acid, isopropylbenzoic acid, butyl
- the mixed fatty acid obtained from natural fats and oils which adjusted the chain length of the fatty acid may be sufficient.
- natural fats and oils include linseed oil, eno oil, boar deer oil, olive oil, cacao butter, kapok oil, white mustard oil, sesame oil, rice bran oil, safflower oil, shea nut oil, cinnamon oil, soybean oil, tea seed oil, Camellia oil, corn oil, rapeseed oil, palm oil, palm kernel oil, castor oil, sunflower oil, cottonseed oil, coconut oil, tree wax, peanut oil and other vegetable oils; horse fat, beef tallow, cow leg fat, cow tallow, pig Examples thereof include animal fats such as fat, goat fat, sheep fat, milk fat, fish oil and whale oil.
- the ester compound (A) is a compound represented by the above general formula (1) and general formula (2), and each may be used alone as an ester compound (A) or mixed to form an ester compound (A). Since the effect of lowering MFT is great, the compound represented by the general formula (1) is preferably contained, and the compound represented by the general formula (1) alone is more preferable.
- the fatty acid (B) that can be used in the film forming aid composition for an emulsion resin of the present invention is represented by the following general formula (3) or general formula (4): HOOC-R 9 -COOH (3)
- R 9 in the general formula (3) represents an alkylene group having 1 to 15 carbon atoms.
- alkylene group examples include a methylene group, an ethylene group, a propylene group, an isopropylene group, a butylene group, an isobutylene group, a pentylene group, an isopentylene group, a hexylene group, an isohexylene group, a heptylene group, an isoheptylene group, an octylene group, and an isooctylene group.
- An arylene group such as a phenylene group, a methylphenylene group, a dimethylphenylene group, an ethylphenylene group, a propylphenylene group, a butylphenylene group, and a naphthalene group.
- an alkylene group is preferable because the MFT is low, and an alkylene group having 1 to 4 or 8 carbon atoms is more preferable because the raw material is easily available.
- R 10 in the general formula (4) represents a hydrocarbon group having 1 to 10 carbon atoms.
- hydrocarbon groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, secondary butyl, tertiary butyl, pentyl, isopentyl, secondary pentyl, and hexyl groups.
- Alkyl group vinyl group, allyl group, propenyl group, isopropenyl group, butenyl group, isobutenyl group, pentenyl group, isopentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group and the like alkenyl group; phenyl group , Aryl groups such as toluyl group, xylyl group, cumenyl group; cyclopentyl group Cyclohexyl group, cycloheptyl group, methylcyclopentyl group, a cycloalkyl group such as a methyl cyclohexyl group.
- hydrocarbons having 2 to 8 carbon atoms are preferable because of low MFT, hydrocarbon groups having 3 to 6 carbon atoms are more preferable, and alkyl groups having 3 to 7 carbon atoms are more preferable. If the number of carbon atoms exceeds 10, the miscibility with the emulsion resin may deteriorate, and adverse effects such as thickening of the emulsion may occur.
- the fatty acid (B) is a compound represented by the above general formula (3) and general formula (4), and may be used alone or in combination, but is generally used for the ester compound (A).
- the compound of the formula (1) it is preferable to use the compound of the general formula (3).
- the general formula (2) it is preferable to use the compound of.
- the compounding ratio of the ester compound (A) and the fatty acid (B) in the film forming aid composition of the present invention is determined by the acid value of the whole film forming aid composition.
- the acid value should be 0.05 to 5 mgKOH / g, preferably 0.1 to 3 mgKOH / g. If it is less than 0.05 mgKOH / g, the long-term storage stability of the blended emulsion resin deteriorates. If it exceeds 5 mgKOH / g, separation or precipitation may occur when blended with the emulsion resin, or the blended emulsion resin may be coated. When the water resistance is lowered, the long-term storage stability may be deteriorated.
- the improvement of the long-term stability of the emulsion resin which is an effect of the present invention, is considered to be caused by the incorporation of the fatty acid (B).
- the mechanism is unknown, but since the emulsion resin is usually alkaline, the fatty acid (B) becomes a fatty acid salt in the emulsion resin, which acts as a surfactant and improves the dispersibility of the emulsion resin as a whole. Presumed to be.
- the fatty acid salt composed of fatty acid (B) has a poor balance between the hydrophilic group and the hydrophobic group and is not expected to have a high function as a surfactant. However, a surfactant generally called a high function is used. However, the effect of the present invention cannot be obtained.
- the film forming aid composition of the present invention is preferably water-insoluble.
- water-solubility the water resistance of the added resin film is lowered and the resin physical properties may be deteriorated.
- Whether it is water-insoluble can be determined by the following method: 5 parts by mass of a film forming aid composition to be measured with respect to 95 parts by mass of pure water is added to bring the whole to 25 ° C. Then, it stirs for 5 minutes with a stirrer so that the whole may mix well. After the stirring is stopped, it is determined to be “water-insoluble” if it is left in a constant temperature bath at 25 ° C. for 30 minutes and completely separated into two layers.
- the emulsion resin composition of the present invention is obtained by adding the film forming auxiliary composition of the present invention to an emulsion resin, and the film forming auxiliary composition of the present invention is 0.1 to 10 with respect to the total amount of the emulsion resin composition.
- the content is 1% by mass, preferably 0.5 to 8% by mass.
- the type of emulsion resin that can be used is not particularly limited. For example, acrylate emulsion, styrene emulsion, vinyl acetate emulsion, urethane emulsion, epoxy emulsion, SBR (styrene / butadiene) emulsion, ABS (acrylonitrile / butadiene / styrene). Emulsions, BR (butadiene) emulsions, IR (isoprene) emulsions, NBR (acrylonitrile / butadiene) emulsions, and the like.
- emulsion resin composition of the present invention known additives, for example, white pigments such as titanium dioxide, calcium carbonate, barium carbonate, and kaolin; carbon black, bengara, cyanine blue, etc., within a range not impairing the effects of the present invention.
- Pigments such as colored pigments; antioxidants, UV absorbers, water-resistant agents, antiseptics, antiseptics, insecticides, solvents, plasticizers, dispersants, thickeners, defoamers, deodorants, fragrances, Bulking agents, dyes and the like can also be used.
- the emulsion resin composition of the present invention can be used for water-based paints, pressure-sensitive adhesives, adhesives, and the like.
- B-1 Ethanedicarboxylic acid [R 9 in the general formula (3) is ethylene]
- B-2 Octane dicarboxylic acid [R 9 in the general formula (3) is octylene]
- B-3 Butanoic acid [R 10 in the general formula (4) is propyl]
- B-4 Octylic acid [R 10 in the general formula (4) is heptyl]
- C-1 Butyl cellosolve
- C-2 N-methylpyrrolidone
- D-1 Polyoxyethylene (10) dodecyl ether
- D-2 Sodium dodecyl sulfate
- Invention product 1 A-1 was blended with B-1 to adjust the acid value to 0.5 mgKOH / g.
- Invention product 2 A-2 was blended with B-1 to adjust the acid value to 0.5 mgKOH / g.
- Invention product 3 A-3 was blended with B-1 to adjust the acid value to 0.5 mgKOH / g.
- Invention product 4 A-1 was blended with B-1 to adjust the acid value to 0.5 mgKOH / g.
- Invention product 6 A-2 was blended with B-1 to adjust the acid value to 0.05 mgKOH / g.
- Invention product 7 A-2 was blended with B-1 to adjust the acid value to 0.1 mgKOH / g.
- Invention product 8 B-1 was blended with A-2 to adjust the acid value to 1 mgKOH / g.
- Invention product 9 A-2 was blended with B-1 to adjust the acid value to 5 mgKOH / g.
- Invention product 10 A-7 was blended with B-3 to adjust the acid value to 0.5 mgKOH / g.
- Invention product 12 A-9 was blended with B-3 to adjust the acid value to 0.5 mgKOH / g.
- Invention product 14 A-11 was blended with B-4 to adjust the acid value to 0.5 mgKOH / g.
- Comparative product 1 A-1 Comparative product 2: A-2 Comparative product 3: A-2 was blended with B-1 to adjust the acid value to 0.03 mgKOH / g. Comparative product 4: A-2 was blended with B-1 to adjust the acid value to 6 mgKOH / g. Comparative product 5: A-7 Comparative product 6: B-8 was blended with A-8 to adjust the acid value to 0.03 mgKOH / g. Comparative product 7: A-8 was blended with B-3 to adjust the acid value to 6 mgKOH / g. Comparative product 8: D-2 was mixed with A-2 to adjust the acid value to 0.5 mgKOH / g.
- Comparative product 9 D-8 was mixed with A-8 to adjust the acid value to 0.5 mgKOH / g.
- Comparative product 10 C-1 Comparative product 11: C-2 Comparative product 12: B-6 was blended with A-6 to adjust the acid value to 0.5 mgKOH / g.
- MFT Minimum film-forming temperature
- the present invention products 1 to 14 and comparative products 1 to 12 are mixed in the emulsion resin for test (resin 1 and resin 2) so as to be 5% by mass, respectively, and an MFT measuring apparatus to which a temperature gradient is applied.
- a 75 ⁇ m coating film is made with a special applicator. After 1 hour, the state of the coating film was observed, the lowest temperature at which the film was formed without cracking was read, and this was defined as MFT. The lower the MFT, the better the performance as a film forming aid.
- the comparative product 12 was completely separated, and a coating film could not be formed with an applicator, and the test was stopped at this point.
- ⁇ Test 2 Storage stability test> 80 ml of a 100 ml screw tube containing 50% by mass of each of the present invention products 1 to 14 and comparative products 1 to 11 blended in a test emulsion resin is put into a 40 ° C. constant temperature bath. After standing for 1 week, the appearance of the emulsion resin after standing was judged according to the following criteria: ⁇ : Uniform solution ⁇ : Not separated but part of the solution has non-uniform parts (can be used) ⁇ : Slight separation is confirmed ⁇ : Complete separation or precipitation is confirmed
- ⁇ Test 3 Water solubility confirmation test> 80 ml of a 100 ml screw tube containing a mixture of the present invention products 1 to 14 and the comparative products 1 to 11 in 5% by mass in pure water was capped. Thereafter, the screw tube was vibrated up and down 10 times to force the contents to be mixed, and the appearance after standing on the table for 30 minutes was judged according to the following criteria: ⁇ : Completely separated ⁇ : Part of the separation surface is emulsified ⁇ : The whole is uniformly or emulsified
- ⁇ Test 4 Water resistance test> Inventive products 1 to 14 and comparative products 1 to 11 were blended with resin 1 so that each amount was 5% by mass, and a 75 ⁇ m-thick coating film was formed on a cleaned glass plate with an applicator. After the said coating film dried completely, the glass plate which coated the coating film was put in 50 degreeC warm water, and it was confirmed whether the coating film whitened. It is a coating film having no water resistance so as to be whitened in a short time. In the test, the glass plate was checked every hour and the measurement was continued for 12 hours.
- Comparative product 13 Blank (resin 2)
- Comparative products 10 and 11 are existing film forming aids and have excellent performance, but the boiling point of C-1 butyl cellosolve is 171 ° C., and the boiling point of C-2 N-methylpyrrolidone is 202 ° C. It is not a preferred additive under regulation. All samples A-1 to A-11 (excluding A-6) had a boiling point of 260 ° C. or higher.
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Abstract
Description
即ち、本発明は、下記の一般式(1)及び/又は一般式(2)で表されるエステル化合物(A)、及び一般式(3)及び/又は一般式(4)で表される脂肪酸(B)を含有し、且つ酸価が0.05~5mgKOH/gであることを特徴とするエマルション樹脂用成膜助剤組成物である:
HOOC-R9-COOH (3)
(式中、R9は、炭素数1~15のアルキレン基を表す。)
R10-COOH (4)
(式中、R10は炭素数1~10の炭化水素基を表す。)
HOOC-R9-COOH (3)
一般式(4)のR10は、炭素数1~10の炭化水素基を表す。こうした炭化水素基としては、例えば、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、イソブチル基、2級ブチル基、ターシャリブチル基、ペンチル基、イソペンチル基、2級ペンチル基、ヘキシル基、イソヘキシル基、2級へキシル基、ヘプチル基、イソヘプチル基、2級ヘプチル基、オクチル基、イソオクチル基、2級オクチル基、ノニル基、イソノニル基、2級ノニル基、デシル基、イソデシル基等のアルキル基;ビニル基、アリル基、プロペニル基、イソプロペニル基、ブテニル基、イソブテニル基、ペンテニル基、イソペンテニル基、ヘキセニル基、ヘプテニル基、オクテニル基、ノネニル基、デセニル基等のアルケニル基;フェニル基、トルイル基、キシリル基、クメニル基等のアリール基;シクロペンチル基、シクロヘキシル基、シクロヘプチル基、メチルシクロペンチル基、メチルシクロヘキシル基等のシクロアルキル基が挙げられる。これらの中でも、MFTが低くなることから炭素数2~8の炭化水素が好ましく、炭素数3~6の炭化水素基がより好ましく、炭素数3~7のアルキル基が更に好ましい。炭素数が10を超えると、エマルション樹脂への混和性が悪化して、エマルションの増粘等の悪影響がでる場合がある。
純水95質量部に対して測定したい成膜助剤組成物を5質量部入れて全体を25℃にする。その後、全体がよく混ざり合うように撹拌器で5分間撹拌する。撹拌を停止した後、25℃の恒温槽内に30分間静置して完全に2層分離していれば「非水溶性」と判断する。この際、全体が均一に溶解している場合、乳化して全体が白濁している場合、あるいは分離しているが水との境界面にエマルション層ができている場合は「非水溶性」とは判断しない。
<試験用エマルション樹脂>
以下の2種類のエマルション樹脂を実験に使用した。
樹脂1:アクリル系エマルション樹脂(モビニール6520、日本合成化学工業社製)
樹脂2:ウレタン系エマルション樹脂(HUX-370、株式会社ADEKA製)
B-2:オクタンジカルボン酸[一般式(3)のR9がオクチレン]
B-3:ブタン酸[一般式(4)のR10がプロピル]
B-4:オクチル酸[一般式(4)のR10がヘプチル]
C-1:ブチルセロソルブ
C-2:N-メチルピロリドン
D-1:ポリオキシエチレン(10)ドデシルエーテル
D-2:ドデシル硫酸ナトリウム
本発明品1:A-1にB-1を配合して酸価0.5mgKOH/gに調整した。
本発明品2:A-2にB-1を配合して酸価0.5mgKOH/gに調整した。
本発明品3:A-3にB-1を配合して酸価0.5mgKOH/gに調整した。
本発明品4:A-4にB-1を配合して酸価0.5mgKOH/gに調整した。
本発明品5:A-5にB-2を配合して酸価0.5mgKOH/gに調整した。
本発明品6:A-2にB-1を配合して酸価0.05mgKOH/gに調整した。
本発明品7:A-2にB-1を配合して酸価0.1mgKOH/gに調整した。
本発明品8:A-2にB-1を配合して酸価1mgKOH/gに調整した。
本発明品9:A-2にB-1を配合して酸価5mgKOH/gに調整した。
本発明品10:A-7にB-3を配合して酸価0.5mgKOH/gに調整した。
本発明品11:A-8にB-3を配合して酸価0.5mgKOH/gに調整した。
本発明品12:A-9にB-3を配合して酸価0.5mgKOH/gに調整した。
本発明品13:A-10にB-4を配合して酸価0.5mgKOH/gに調整した。
本発明品14:A-11にB-4を配合して酸価0.5mgKOH/gに調整した。
比較品1:A-1
比較品2:A-2
比較品3:A-2にB-1を配合して酸価0.03mgKOH/gに調整した。
比較品4:A-2にB-1を配合して酸価6mgKOH/gに調整した。
比較品5:A-7
比較品6:A-8にB-3を配合して酸価0.03mgKOH/gに調整した。
比較品7:A-8にB-3を配合して酸価6mgKOH/gに調整した。
比較品8:A-2にD-1を配合して酸価0.5mgKOH/gに調整した。
比較品9:A-8にD-2を配合して酸価0.5mgKOH/gに調整した。
比較品10:C-1
比較品11:C-2
比較品12:A-6にB-1を配合して酸価0.5mgKOH/gに調整した。
MFT測定装置であるMINIMUM FILUM FORMING TEMPRATURE BAR(PHOPOINT Instrumentation Ltd製)を使用してMFTを測定した。
具体的には、試験用エマルション樹脂(樹脂1及び樹脂2)に本発明品1~14及び比較品1~12をそれぞれ5質量%になるように配合し、温度勾配のかけられたMFT測定装置上に、専用のアプリケーターで75μmの塗膜を作成する。1時間後に塗膜の状態を観察し、ひび割れが生じずに成膜している最低温度を読み、これをMFTとした。MFTが低いほど成膜助剤としての性能に優れる。なお、比較品12は、完全に分離してしまい、アプリケーターで塗膜を作成することができず、この時点で試験を中止した。
試験用エマルション樹脂に本発明品1~14及び比較品1~11をそれぞれ5質量%になるように配合したものを、100mlのスクリュー管に80ml入れて蓋をして40℃の恒温槽内に1週間放置し、放置後のエマルション樹脂の外観を下記の基準で判断した:
◎:均一溶液
○:分離はしていないが溶液の一部に不均一の部分がある(使用には耐えられる)
△:わずかに分離が確認される
×:完全に分離あるいは沈殿が確認される
純水に本発明品1~14及び比較品1~11をそれぞれ5質量%になるように配合したものを、100mlのスクリュー管に80ml入れて蓋をした。その後、当該スクリュー管を上下に10往復強く振って内容物を強制的に混合し、テーブルの上に30分間静置した後の外観を下記の基準で判断した:
○:完全に分離
△:分離面が一部乳化している
×:全体が均一あるいは乳化している
樹脂1に本発明品1~14及び比較品1~11をそれぞれ5質量%になるように配合し、洗浄したガラス板の上にアプリケーターで75μmの塗膜を作成した。当該塗膜が完全に乾燥した後、50℃の温水の中に塗膜の塗ったガラス板を入れ、塗膜が白化するかどうかを確認した。短時間で白化するほど耐水性がない塗膜である。試験は1時間ごとにガラス板を確認して12時間測定を続け、12時間で白化しなかったものは合格とした。
Claims (4)
- 下記の一般式(1)及び/又は一般式(2)で表されるエステル化合物(A)、及び一般式(3)及び/又は一般式(4)で表される脂肪酸(B)を含有し、且つ酸価が0.05~5mgKOH/gであることを特徴とするエマルション樹脂用成膜助剤組成物:
HOOC-R9-COOH (3)
(式中、R9は、炭素数1~15のアルキレン基を表す。)
R10-COOH (4)
(式中、R10は、炭素数1~10の炭化水素基を表す。) - 一般式(1)のR2及びR4、及び一般式(2)のR7がエチレン基である、請求項1に記載のエマルション樹脂用成膜助剤組成物。
- 成膜助剤組成物が非水溶性である、請求項1または2に記載のエマルション樹脂用成膜助剤組成物。
- エマルション樹脂に、請求項1ないし3のいずれか1項に記載のエマルション樹脂用成膜助剤組成物を、エマルション樹脂組成物全量に対して0.1~10質量%含有することを特徴とするエマルション樹脂組成物。
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PCT/JP2013/078823 WO2015059796A1 (ja) | 2013-10-24 | 2013-10-24 | エマルション樹脂用成膜助剤組成物 |
KR1020167009741A KR102054881B1 (ko) | 2013-10-24 | 2013-10-24 | 에멀젼 수지용 성막 보조제 조성물 |
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JP2002053817A (ja) * | 2000-08-09 | 2002-02-19 | Rinrei:Kk | 床用艶出し剤組成物 |
JP2005200611A (ja) | 2004-01-19 | 2005-07-28 | Asahi Denka Kogyo Kk | アクリルエマルション系樹脂用成膜助剤及びこれを含有する組成物 |
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JP2002053817A (ja) * | 2000-08-09 | 2002-02-19 | Rinrei:Kk | 床用艶出し剤組成物 |
JP2005200611A (ja) | 2004-01-19 | 2005-07-28 | Asahi Denka Kogyo Kk | アクリルエマルション系樹脂用成膜助剤及びこれを含有する組成物 |
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