Classifications

• • 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
  • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
• • 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
  • C09D201/00—Coating compositions based on unspecified macromolecular compounds
• • 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
• • 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
  • C09D7/61—Additives non-macromolecular inorganic
• • 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
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C11/00—Details of pavings
  • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C11/00—Details of pavings
  • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
  • E01D19/00—Structural or constructional details of bridges
  • E01D19/06—Arrangement, construction or bridging of expansion joints
• • 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
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
  • Y02A30/00—Adapting or protecting infrastructure or their operation
  • Y02A30/60—Planning or developing urban green infrastructure

Definitions

• the present invention relates to a curing agent used for curing an epoxy resin, an anti-slip coating agent having the curing agent, a method for forming an anti-slip coating film, and an anti-slip coating material.
• a finger joint is a member provided at a joint of a bridge girder or a joint between a bridge girder and a bank, and is a pair of finger comb teeth provided on both sides of the joint on a traveling surface on which a vehicle such as an automobile or a motorcycle travels. Is a member in which face plates made of steel plates or the like are arranged so that the teeth are alternately meshed with each other.
• Non-Patent Document 1 describes an anti-slip method of covering the surface of a face plate with an amorphous (amorphous film) film by performing blasting and arc spraying.
• Non-Patent Document 2 describes an anti-slip method in which a step of applying two types of primers and then applying an adhesive and then spraying a friction element is repeated twice.
• Patent Document 1 it is necessary to cure and cure for a long time of about 24 hours from the application of the primer and the resin mortar to the curing, so that the road is blocked for such a long time.
• the range of use was limited only to anti-slip treatment on the running surface in places where it was possible.
• Non-Patent Document 1 it is necessary to perform blasting and arc spraying on the face plate in order to form an amorphous film, and the anti-slip treatment process is complicated. Further, even in the method described in Non-Patent Document 2, it is necessary to apply a primer or a friction element to the construction surface and then heat it using a dedicated heater to adhere the friction element to the face plate, which is a step of anti-slip treatment. Was complicated. Therefore, there has been a demand for materials and methods capable of performing anti-slip treatment more easily.
• An object of the present invention is an anti-slip coating agent suitable for forming an anti-slip coating film having high anti-slip performance by being easily cured in a shorter time, a curing agent suitable for use in this anti-slip coating agent, and an anti-slip coating.
• the present invention provides a method for forming a coating and an anti-slip coating material.
• the present inventors contain an epoxy resin by using a curing agent containing a polyamine having an N—H bond, a tertiary amine having no N—H bond, and a non-reactive diluent (A3). It has been found that the main agent of the anti-slip coating agent can be cured in a shorter time to form an anti-slip coating film having high anti-slip performance, and the present invention has been completed. More specifically, the present invention provides the following.
• the present invention is an anti-slip coating agent having a curing agent (A) and a main agent (B), wherein the curing agent (A) has an NH bond with a polyamine (A1) having an NH bond. It contains a tertiary amine (A2) and a non-reactive diluent (A3), and the main agent (B) is an epoxy resin (B1), a silane coupling agent (B2), and an aggregate. (B3) is contained, and the content of the tertiary amine (A2) is 5 parts by mass to 30 parts by mass with respect to 100 parts by mass of the polyamine (A1), and the polyamine (A1) is a carbocycle.
• the curing agent (A) has an NH bond with a polyamine (A1) having an NH bond. It contains a tertiary amine (A2) and a non-reactive diluent (A3), and the main agent (B) is an epoxy resin (B1), a silane coup
• first polyamines consisting of polyamines having a polyamine or a modified product thereof
• second polyamines consisting of a modified product of piperazine or a derivative thereof, or one or both of them. It is an anti-slip coating agent.
• the content of the silane coupling agent (B2) is 2 parts by mass to 7 parts by mass
• the content of the aggregate (B3) is 100 parts by mass of the epoxy resin (B1).
• the anti-slip coating agent according to (1), wherein the amount is 300 parts by mass to 1200 parts by mass.
• the aggregate (B3) is the anti-slip coating agent according to (1) or (2), which contains silica sand (b3-1) and alumina (b3-2).
• the alumina (b3-2) has a particle size distribution having two peaks, a first peak and a second peak, and the first peak is within the range of more than 63 ⁇ m and 150 ⁇ m or less.
• the present invention also contains a polyamine (A1) having an N—H bond, a tertiary amine (A2) having no N—H bond, and a non-reactive diluent (A3).
• the content of the tertiary amine (A2) is 5 parts by mass to 30 parts by mass with respect to 100 parts by mass of the polyamine (A1)
• the polyamine (A1) is a polyamine having a carbocycle or a modified product thereof.
• a curing agent for an anti-slip coating agent which contains one polyamine (a1-1) and a second polyamine (a1-2) composed of piperazine or a derivative thereof, or a modified product of one or both of them.
• the present invention is the curing agent according to (5), wherein the polyamine (A1) contains an aliphatic polyamine.
• the content of the first polyamines (a1-1) is 70% by mass to 95% by mass.
• the curing agent according to (5) or (6), wherein the content of the dipolyamines (a1-2) is 5% by mass to 30% by mass.
• the content of the non-reactive diluent (A3) is 5 parts by mass to 60 parts by mass with respect to 100 parts by mass of the polyamine (A1), (5) to (7).
• the curing agent according to any of the above.
• the present invention also contains the curing agent (A) according to any one of (5) to (8), an epoxy resin (B1), a silane coupling agent (B2), and an aggregate (B3).
• It is a method for forming an anti-slip coating film which comprises a coating / drying step of forming a coating film.
• the present invention is the method for forming an anti-slip coating film according to (9), wherein at least a part of the surface of the base material is made of metal.
• the curing agent (A) and the main agent (B) are mixed at a mass ratio of 1: 5 to 1:15 to prepare the anti-slip coating agent.
• (9) or (10) the method for forming the anti-slip coating film.
• the present invention is an anti-slip coating material having a base material and an anti-slip coating film on the surface of the base material, wherein the anti-slip coating film is a polyamine (A1), N having an NH bond. It contains a tertiary amine (A2) having no -H bond and a non-reactive diluent (A3), and the content of the tertiary amine (A2) is 5 parts by mass with respect to 100 parts by mass of the polyamine (A1).
• the polyamine (A1) is a modification of primary polyamines (a1-1) consisting of a polyamine having a carbocycle or a modified product thereof, piperazine or a derivative thereof, or one or both of them.
• B1 an epoxy resin
• B2 a silane coupling agent
• B3 an aggregate
• the present invention is the anti-slip coating material according to (12), wherein at least a part of the surface of the base material is made of metal.
• an anti-slip coating agent suitable for forming an anti-slip coating film having high anti-slip performance by being easily cured in a shorter time a curing agent suitable for use in this anti-slip coating agent, and an anti-slip coating.
• a method for forming a film and an anti-slip coating material can be obtained.
• the curing agent (A) is a curing agent used as an anti-slip coating agent, and is composed of a polyamine (A1) having an N—H bond, a tertiary amine (A2) having no N—H bond, and the like. It contains a non-reactive diluent (A3), and the content of the tertiary amine (A2) is 5 to 30 parts by mass, more preferably 5 to 20 parts by mass with respect to 100 parts by mass of the polyamine (A1). is there.
• the main agent (B) containing the epoxy resin (B1) can be cured in a shorter time to form an anti-slip coating film, and the curing agent (A) can be formed. And the main agent (B) are mixed and applied to the base material, and an anti-slip coating film can be easily formed.
• Polyamine (A1) As the polyamine (A1), a polyamine having an N—H bond or a modified product thereof can be used, and the polyamine can be cured by reacting with an epoxy group contained in the epoxy resin (B1).
• Such polyamines include primary polyamines (a1-1) composed of polyamines having a carbon ring or modified products thereof, and secondary polyamines composed of piperazine or a derivative thereof, or one or both modified products thereof (a modified product thereof). It is preferable to contain a1-2) and.
• the main agent (B) containing the epoxy resin (B1) is cured in a shorter time. be able to.
• first polyamines (a1-1) include 1,3-bisaminomethylcyclohexane, mensendiamine, isophoronediamine, bis (4-amino3-methylcyclohexyl) methane, and diaminocyclohexylmethane.
• examples thereof include alicyclic polyamines such as, aliphatic polyamines containing aromatic rings such as m-xylylene diamine, aromatic polyamines such as m-phenylenediamine, diaminodiphenylmethane, and diaminodiphenylsulfone, but are limited thereto. is not.
• modified products of these polyamines for example, Mannig compounds, amine adducts with epoxy compounds, ketimides, polyamideamines, Michael addition compounds, aldiminates, urea adducts with isocyanate compounds, and the like may be used.
• the first polyamines (a1-1) it is preferable to use diamine from the viewpoint of mildening the curing reaction and facilitating mixing with the main agent (B) and coating, and 1,3-bisamino. It is particularly preferable to use methylcyclohexane or m-xylylenediamine.
• first polyamines (a1-1) one or a combination of two or more of these compounds can be used.
• the blending ratio of the first polyamines (a1-1) is preferably 70% by mass or more, more preferably 80% by mass or more, when the total content of the polyamines (A1) is 100% by mass. More preferably, it is 85% by mass or more.
• the blending ratio of the first polyamines (a1-1) is preferably 95% by mass or less, more preferably 90% by mass or less, when the total content of the polyamines (A1) is 100% by mass.
• the second polyamines (a1-2) include N-2-aminoethylpiperazine, piperazine, N-methylpiperazine, 1,4-bis- (8-aminopropyl) -piperazine, and piperazine-1. , 4-Diazacycloheptane, 1- (2'-aminoethylpiperazine), 1- [2'-(2 "-aminoethylamino) ethyl] piperazine, etc., but are not limited to these. No. For the second polyamines (a1-2), a modified product of polyamine may also be used.
• the second polyamines (a1-2) one or a combination of two or more of these compounds can be used.
• the blending ratio of the second polyamines (a1-2) is preferably 5% by mass or more, more preferably 10% by mass or more, assuming that the total content of the polyamines (A1) is 100% by mass.
• the blending ratio of the second polyamines (a1-2) is preferably 30% by mass or less, more preferably 20% by mass or less, and 15% by mass, when the total content of the polyamines (A1) is 100% by mass. % Or less is more preferable.
• the polyamine (A1) a polyamine not contained in the first polyamines (a1-1) and the second polyamines (a1-2), for example, a chain aliphatic polyamine may be used.
• the blending ratio of the chain aliphatic polyamine is preferably 10% by mass or less, more preferably 5% by mass or less, when the total content of the polyamine (A1) is 100% by mass.
• tertiary amine (A2) As the tertiary amine (A2), one having no N—H bond can be used, and in order to promote the reaction between the above-mentioned polyamine (A1) and the epoxy group, a main agent (B1) containing an epoxy resin (B1) is used. The curing time of B) can be shortened.
• the tertiary amine having an N—H bond has a plurality of nitrogen atoms and has reactivity with the epoxy group contained in the epoxy resin (B1), and therefore is contained in the polyamine (A1) in the present invention. ..
• tertiary amine (A2) examples include 2,4,6-tri (dimethylaminomethyl) phenol, triethanolamine, dialkylaminoethanol, and triethylenediamine [1,4-diazacyclo (2,) diazacyclo). 2,2) Octane], etc.
• the blending ratio of the tertiary amine (A2) is preferably more than 0% by mass, more preferably 5% by mass or more, still more preferably 10% by mass or more, based on 100 parts by mass of the polyamine (A1).
• the blending ratio of the tertiary amine (A2) is preferably 30% by mass or less, more preferably 20% by mass or less, still more preferably 15% by mass or less, based on 100 parts by mass of the polyamine (A1).
• Non-reactive diluent (A3) The non-reactive diluent (A3) needs to be contained in the curing agent for the purpose of adjusting physical properties such as viscosity in the mixture of the curing agent (A) and the main agent (B) and improving workability.
• Specific examples of the non-reactive diluent (A3) include aromatic alcohols such as benzyl alcohol, phenol, phenethyl alcohol, nonylphenol, and dinonylphenol, xylene resin, kumaron inden resin, isoparaffin mixture, and high boiling point aromatic hydrocarbon. Examples include, but are not limited to, compounds, white tar, and the like.
• the blending ratio of the non-reactive diluent (A3) is preferably 5% by mass or more, more preferably 20% by mass or more, still more preferably 30% by mass or more, based on 100 parts by mass of the polyamine (A1).
• the blending ratio of the non-reactive diluent (A3) is preferably 60% by mass or less, preferably 50% by mass, based on 100 parts by mass of the polyamine (A1) from the viewpoint of ensuring the practical hardness of the anti-slip coating film. % Or less is more preferable, and 40% by mass or less is further preferable.
• the curing agent (A) includes, if necessary, a plasticizer, a water absorbent, a physical property adjusting agent, a coloring agent, an antioxidant, an antioxidant, an antiaging agent, a solvent, a pigment, a dye, and the like.
• a plasticizer e.g., ethylene glycol dimethacrylate copolymer, polymethyl methacrylate copolymer, polymethyl methacrylate copolymer, ethylene glycol dimethacrylate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium bicarbonate, sodium sulfate, sodium bicarbonate
• the anti-slip coating agent according to the present embodiment has the above-mentioned curing agent (A) and main agent (B), of which the main agent (B) is an epoxy resin (B1) and a silane coupling agent ( B2) and aggregate (B3) are contained.
• the anti-slip coating agent according to the present embodiment has a high anti-slip performance because the epoxy resin (B1) is cured in a shorter time and the aggregate (B3) and the epoxy resin (B1) are firmly bonded. Can be easily formed in a shorter time.
• the epoxy resin (B1) is a polymer or oligomer having two or more epoxy groups in one molecule and capable of reacting with an amine-based curing agent to crosslink.
• the epoxy resin (B1) include bisphenol A type epoxy resin, bisphenol F type epoxy resin, bisphenol AD type epoxy resin, phenol novolac type epoxy resin, cresol novolac type epoxy resin, and glycidyl obtained by the condensation reaction of bisphenol A and epichlorohydrin. Examples thereof include ester type epoxy resins, biphenyl type epoxy resins, polymer type epoxy resins, and other modified epoxy resins.
• the epoxy resin (B1) one or a combination of two or more of these resins can be used.
• the viscosity (25 ° C.) of the epoxy resin (B1) is preferably 20 Pa ⁇ s or less, and more preferably 15 Pa ⁇ s or less.
• the mass average molecular weight of the epoxy resin (B1) is preferably 200 to 4000, and more preferably 300 to 2000.
• the epoxy equivalent of the epoxy resin (B1) (according to JIS K7236) is preferably 150 to 1000 g / eq, and more preferably 150 to 700 g / eq.
• the mass average molecular weight and epoxy equivalent of the epoxy resin (B1) when two or more types of epoxy resins are used in combination are the mass average molecular weight and epoxy equivalent of the two or more types of epoxy resins as a whole.
• silane coupling agent (B2) As the silane coupling agent (B2), a compound having a functional group that binds to an organic material and a functional group that binds to an inorganic material in one molecule can be used. Among them, it is preferable to use a compound that is reactive with an organic material such as an epoxy resin (B1) and is also reactive with an aggregate (B3) or a base material described later, which is an inorganic material. As a result, the reaction product of the epoxy resin (B1) and the polyamine (A1) is chemically bonded to the aggregate (B3) and the base material, so that the anti-slip coating film can be made stronger.
• an organic material such as an epoxy resin (B1) and is also reactive with an aggregate (B3) or a base material described later
• the silane coupling agent (B2) is represented by, for example, the general formula X—Si (OR) 3 .
• X is a functional group capable of reacting with an organic material, and more specific examples thereof include an amino group, a vinyl group, an epoxy group, a mercapto group, a halogen group and a hydrocarbon group having these groups.
• OR is a hydrolyzable group, and more specific examples thereof include a methoxy group and an ethoxy group.
• silane coupling agent (B2) examples include ⁇ -glycidoxypropyltrimethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane, and ⁇ - (3,4-epoxycyclohexyl) methyltri.
• Epoxysilanes such as methoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltriethoxysilane, ⁇ - (3,4-epoxycyclohexyl) methyltriethoxysilane, ⁇ -glycidoxypropyltriethoxysilane, and N - ⁇ (aminoethyl) ⁇ -aminopropyltrimethoxysilane, N- ⁇ (aminoethyl) ⁇ -aminopropyltriethoxysilane, N- ⁇ (aminoethyl) ⁇ -aminopropylmethyldiethoxysisilane, ⁇ -aminopropyl Aminosilanes such as triethoxysilane, ⁇ -aminopropyltrimethoxysilane, N-phenyl- ⁇ -aminopropyltrimethoxysilane, N-phenyl- ⁇ -amin
• the blending ratio of the silane coupling agent (B2) is 2 parts by mass or more with respect to 100 parts by mass of the epoxy resin (B1) in order to enhance the adhesion of the anti-slip coating film to the substrate and to make the film harder. It is preferably 3 parts by mass or more, and more preferably 3 parts by mass or more. On the other hand, the blending ratio of the silane coupling agent (B2) is preferably 7 parts by mass or less and more preferably 5 parts by mass or less in order to lower the viscosity at the time of coating and further improve workability. preferable.
• the anti-slip coating agent of the present invention contains an aggregate (B3).
• B3 aggregate
• anti-slip performance can be imparted to the coating film made of a cured product of the anti-slip coating agent, and toughness can be imparted to the coating film.
• the aggregate (B3) may be any commonly used aggregate, and is not particularly limited, and examples thereof include silica sand, alumina, silicon carbide, glass balloons, fly ash balloons, and shirasu balloons.
• the content of the aggregate (B3) in the anti-slip coating agent is preferably 300 parts by mass or more, more preferably 300 parts by mass or more, based on 100 parts by mass of the epoxy resin (B1)) from the viewpoint of imparting anti-slip performance to the coating film. It is 500 parts by mass or more, more preferably 600 parts by mass or more.
• the content of the aggregate (B3) in the anti-slip coating agent is based on 100 parts by mass of the epoxy resin (B1) from the viewpoint of enhancing the tensile properties of the coating film and facilitating the application to the base material. It may be preferably 1200 parts by mass or less, more preferably 1000 parts by mass or less, and further preferably 800 parts by mass or less.
• alumina (b3-2) has two peaks, a first peak and a second peak. It is preferable to have a particle size distribution.
• the silica sand (b3-1) preferably has a peak in the range of 300 ⁇ m or more and 850 ⁇ m or less, and more preferably 425 ⁇ m or more and 600 ⁇ m or less in the mass-based particle size distribution.
• the silica sand (b3-1) when the particle size test is performed on the silica sand based on JIS Z2601 (test method for casting sand), the most silica sand remains in the sieve having a nominal size of 300 ⁇ m, 425 ⁇ m or 600 ⁇ m. It is more preferable that the most silica sand remains in the sieve having a nominal size of 425 ⁇ m.
• the content of silica sand (b3-1) in the anti-slip coating agent is preferably 80 parts by mass or more, more preferably 100 parts by mass, based on 100 parts by mass of the epoxy resin (B1) from the viewpoint of imparting anti-slip performance to the coating film. It is by mass or more, more preferably 130 parts by mass or more.
• the content of silica sand (b3-1) in the anti-slip coating agent is preferably 300 parts by mass or less, more preferably 250 parts by mass or less, still more preferably 200 parts by mass with respect to 100 parts by mass of the epoxy resin (B1). It may be less than a part by mass.
• Alumina (b3-2) preferably has two peaks, a first peak and a second peak, in a mass-based particle size distribution.
• the first peak is preferably in the range of more than 63 ⁇ m and 150 ⁇ m or less, and more preferably in the range of more than 75 ⁇ m and 125 ⁇ m or less.
• the second peak is preferably in the range of more than 355 ⁇ m and 1700 ⁇ m or less, more preferably in the range of more than 425 ⁇ m and 1000 ⁇ m or less, and further preferably in the range of more than 500 ⁇ m and 600 ⁇ m or less.
• alumina (b3-2) is one or more selected from F150, F120, F100 and F90 when a particle size test is performed on alumina based on JIS R6001 (grain size of abrasive for grinding wheel). , F46, F40, F36, F30, F24, F22, F20, F16 and F14, preferably a mixture with one or more of F120 and F100 and F40, F36, F30, F24. And more preferably a mixture with one or more selected from F22.
• the content of alumina (b3-2) in the anti-slip coating agent is preferably 300 parts by mass or more, more preferably 400 parts by mass, based on 100 parts by mass of the epoxy resin (B1) from the viewpoint of imparting anti-slip performance to the coating film. It is by mass or more, more preferably 500 parts by mass or more.
• the content of alumina (b3-2) in the anti-slip coating agent is preferably 1000 parts by mass or less, more preferably 800 parts by mass or less, and further preferably 700 parts by mass with respect to 100 parts by mass of the epoxy resin (B1). It may be less than a part by mass.
• the main agent (B) used in the present embodiment has other components (B4) such as an epoxy-based reactive diluent, a non-reactive diluent, an organic solvent, and a plasticizer for the purpose of improving workability. May be contained.
• the epoxy-based reactive diluent is not particularly limited as long as it is a commercially available mono, di, or triepoxyside.
• o-cresyl glycidyl ether trimethylpropan triglycidyl ether, phenyl glycidyl ether, alkyl glycidyl ether, glycidyl ester, ⁇ -olefin epoxiside, 1,6-hexanediol diglycidyl ether, neopentyl glycol diglycidyl ether, cyclohexane.
• non-reactive diluent examples include benzyl alcohol, nonylphenol, dinonylphenol, xylene resin, kumaron indene resin, isoparaffin mixture, high boiling point aromatic hydrocarbon compound, white tar and the like.
• plasticizer examples include various phthalic acid-based, phosphoric acid-based, and fatty acid-based esters.
• organic solvent examples include acetone, methyl ethyl ketone, methyl butyl ketone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, methyl acetate, ethyl acetate, propyl acetate, butyl acetate, cellosolve, methyl cellosolve, n-propanol, isopropanol and the like. Can be mentioned.
• the main agent (B) used in the present embodiment may contain a thickener for the purpose of preventing dripping during application.
• a thickener for the purpose of preventing dripping during application.
• the thickener include fumed silica, silicon dioxide, hydrous silicic acid, diatomaceous earth, calcined clay, clay, talc, kaolin, bentonite, and organic bentonite.
• the main agent (B) used in the present embodiment may contain a colorant such as a pigment, a dye, or a phosphor for the purpose of adjusting the visibility of the anti-slip coating film.
• Colorants include carbon black, titanium oxide, ferric oxide and active zinc oxide.
• the method for forming the anti-slip coating film according to the present embodiment includes a mixing step of mixing the above-mentioned curing agent (A) and main agent (B) to prepare an anti-slip coating agent, and applying the anti-slip coating agent to the surface of the base material. After that, the anti-slip coating agent is cured by leaving it for a short time within 4 hours at room temperature, for example, to form an anti-slip coating film.
• the above-mentioned curing agent (A) and main agent (B) are mixed to prepare an anti-slip coating agent.
• the above-mentioned curing agent (A) is often in the form of a liquid, and the main agent (B) is often in the form of a paste.
• the mixing means is not particularly limited as long as it can mix the liquid curing agent (A) with the paste-like main agent (B).
• the mixing ratio of the curing agent (A) and the main agent (B) is 1: 5 to 1:15 in terms of mass ratio.
• the mixing time of the curing agent (A) and the main agent (B) in the mixing step is preferably 1 minute or longer, more preferably 2 minutes or longer, in order to obtain a homogeneous anti-slip coating agent.
• the upper limit of the mixing time can be set according to the pot life, but is preferably less than 10 minutes, more preferably 5 minutes or less.
• the term "usable time" as used herein means that the anti-slip coating agent can be spread on the base material after the mixing of the curing agent (A) and the main agent (B) is started (maximum). ) Say time.
• the pot life of the anti-slip coating agent varies depending on the environmental conditions such as the operating temperature, but the guideline for the pot life is as follows. For example, 35 minutes to 45 minutes under a temperature condition of 0 ° C. or higher and lower than 10 ° C., 25 minutes to 35 minutes under a temperature condition of 10 ° C. or higher and lower than 20 ° C., and under normal temperature conditions (20 ° C. or higher and lower than 30 ° C.). It takes 17 to 20 minutes, and 10 to 12 minutes under temperature conditions of 30 ° C. or higher and lower than 40 ° C.
• an anti-slip coating agent composed of a mixture of a curing agent (A) and a main agent (B) is applied to a base material, and then the coating film is dried and cured to form an anti-slip coating film.
• the base material to which the anti-slip coating agent is applied is not particularly limited, and at least a part of the surface may be applied to a metal material. Since the obtained anti-slip coating film can be firmly bonded to the metal surface of the base material surface to exhibit anti-slip performance, the vehicle is made difficult to slip when the vehicle is run on the anti-slip coating film formed on the metal surface. be able to.
• the base material may be adjusted as necessary.
• the anti-slip coating agent of the present invention has desired properties even when applied to a substrate that has undergone only relatively light substrate adjustment (base adjustment to remove rusted portions) such as grade 3 keren. It is possible to obtain an anti-slip coating film.
• the anti-slip coating agent of the present invention does not require special equipment or skill to form the anti-slip coating film, and can impart desired anti-slip performance with a single application, so that a wider range of anti-slip processing can be performed at one time. be able to.
• the thickness of the anti-slip coating agent applied is determined according to the particle size of the aggregate (B3), but can be, for example, 0.5 mm to 5.0 mm.
• the anti-slip coating agent of the present invention is an anti-slip coating agent to be applied because an anti-slip coating film is formed by curing the epoxy resin (B1) and bonding the epoxy resin (B1) with an aggregate (B3) or a base material. The larger the thickness of, the higher the anti-slip performance can be obtained.
• the time required for drying and curing the coating film varies depending on the environmental conditions such as the operating temperature. For example, the temperature condition of 0 ° C. or higher and lower than 10 ° C. for 5 hours to 10 hours and 10 ° C. or higher and lower than 20 ° C. It is recommended to use 3 to 6 hours underneath, 2 to 4 hours under normal temperature (20 ° C or higher and lower than 30 ° C), and 1 to 3 hours under 30 ° C or higher and lower than 40 ° C. it can.
• an anti-slip coating agent is applied to a road connecting portion and dried at room temperature
• a conventional anti-slip coating agent it is necessary to cure for a long time of about 24 hours.
• the applied anti-slip coating agent of the present invention can be dried and cured in a short time of 4 hours or less at room temperature to form an anti-slip coating film.
• the anti-slip coating agent of the present invention can be dried and cured even in a low temperature environment of 5 ° C. or lower, which is difficult to cure with a conventional epoxy resin, without heating using special equipment. An anti-slip coating film can be obtained.
• the anti-slip coating agent of the present invention can impart anti-slip performance to the base material by curing the coating film in a short time as described above, especially under warm conditions. Therefore, anti-slip processing can be performed on a wider range of base materials even within a limited time such as night construction of an expressway.
• the anti-slip coating agent of the present invention can easily form a coating film having high anti-slip performance in a wide temperature range in a short time, and thus can be used on road surfaces such as roadways, sidewalks, parking lots, and parks. It can be suitably used for imparting anti-slip performance to slippery parts of the floor surface.
• the anti-slip coating material of the present invention has a base material having an anti-slip coating film on its surface, and the anti-slip coating film is a polyamine (A1) having an N—H bond and a tertiary amine (A2) having no N—H bond.
• the curing agent (A) containing the above, the epoxy resin (B1), and the main agent (B) containing the silane coupling agent (B2) and the aggregate (B3) are contained.
• the polyamine (A1), the tertiary amine (A2), the epoxy resin (B1), the silane coupling agent (B2) and the aggregate (B3) are as described above.
• the anti-slip coating material may contain the above-mentioned non-reactive diluent (A3).
• anti-slip covering materials include joints between bridge girders such as road bridges and elevated roads, and finger joints provided at joints between bridge girders and embankments, and at least the vehicle travels among the finger joints. It is preferable to have an anti-slip coating film on the running surface.
• examples of the anti-slip covering material include members that become slippery in a wet state, and examples thereof include drainage ports, manhole covers, pedestrian passages, stairs, slopes, inspection passages, and scaffolding.
• the curing agent (A) and the main agent (B) were prepared at the blending ratios shown in Tables 1 and 2, respectively, and then the curing agent (A) and the main agent (B) were mixed to obtain an anti-slip coating agent.
• [Curing agent (A)] [Polyamine (A1)] (First polyamines (a1-1)) Mannich modified product of m-xylylenediamine (manufactured by Chori GLEX Co., Ltd., model number: KA-861, m-xylylenediamine content: 10% by mass, amine value: 375) -M-Xylylenediamine (amine value: 825) 1,3-bisaminomethylcyclohexane (manufactured by Yun Teh Industries, model number: JOINTMINE989, 1,3-bisaminomethylcyclohexane content: 40-50% by mass, amine value: 380) (Second polyamines (a1-2)) N-2-aminoethylpiperazine (manufactured by Chori GLEX Co., Ltd., model number: PH-770, N-2-aminoethylpiperazine content: 50-60% by mass, amine value: 5
• [Main agent (B)] [Epoxy resin (B1)] -Bisphenol A type epoxy resin (manufactured by Mitsui Petrochemical Industry Co., Ltd., model number: Epomic R140, mass average molecular weight: 350 to 400, epoxy equivalent: 189 g / eq, viscosity: 13 Pa ⁇ s / 25 ° C.)
• Silane coupling agent (B2) -Gamma-glycidoxypropyltrimethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., model number: KBM-403) [Aggregate (B3)] (Silica sand (b3-1)) ⁇ Silica sand No.
• the obtained anti-slip coating agent uses a curly roller on a base material made of a steel plate having a length of 300 mm, a width of 300 mm, and a thickness of 4.5 mm (rolled steel material for general structure SS400 specified in JIS G3101). After coating to a thickness of 3 mm so as to be uniform, the coating film was allowed to stand for 4 hours under the condition of an air temperature of 20 ° C., and the coating film was dried and cured to obtain an anti-slip coating film.
• the adhesive force [MPa] to the substrate was measured based on JIS K 5600-5.
• the slip resistance value (BPN) of the anti-slip coating film was measured based on ASTM E 303.
• the adhesive force to the substrate and the slip resistance value were measured at five different locations of the same anti-slip coating film, and the average value was used as the measurement result. The results of these measurements are shown in Table 1.
• the anti-slip coatings obtained in Examples 1 to 13 of the present invention have a high adhesive force to the substrate of 12 MPa or more, and the slip resistance value (BPN) of the anti-slip coating film is as high as 60 or more. ..
• the anti-slip coating film formed by using the curing agent of Comparative Example 1 did not contain either secondary polyamines (a1-2) or tertiary amines (A2), and therefore, in terms of workability. It was inferior, and the hardness of the surface of the film could not be measured even after 4 hours from the application, and the curing of the film was also inferior.
• the anti-slip coating film formed by using the curing agent of Comparative Example 2 does not contain secondary polyamines (a1-2) and has a low content of tertiary amine (A2). Therefore, the workability was inferior, and the hardness of the surface of the film could not be measured even after 4 hours had passed from the application, and the curing of the film was also inferior.
• the anti-slip coating film formed by using the curing agents of Comparative Examples 3 to 5 did not contain secondary polyamines (a1-2), it was inferior in terms of workability, and also. The hardness of the surface of the film could not be measured even after 4 hours had passed from the application, and the curing of the film was also inferior.
• the anti-slip coating film formed by using the curing agent of Comparative Example 6 was inferior in terms of workability because it did not contain the non-reactive diluent (A3), and had a slip resistance value of 60. It was less than or less.

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