KR101613074B1 - Paint Composition Improved of Flexibility and Durability for Surface Sign of Paved Road and Painting Methods Using Thereof - Google Patents

Paint Composition Improved of Flexibility and Durability for Surface Sign of Paved Road and Painting Methods Using Thereof Download PDF

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KR101613074B1
KR101613074B1 KR1020150133984A KR20150133984A KR101613074B1 KR 101613074 B1 KR101613074 B1 KR 101613074B1 KR 1020150133984 A KR1020150133984 A KR 1020150133984A KR 20150133984 A KR20150133984 A KR 20150133984A KR 101613074 B1 KR101613074 B1 KR 101613074B1
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South Korea
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weight
parts
binder resin
coating composition
resin
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KR1020150133984A
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Korean (ko)
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강완혁
조성훈
강창구
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대한로드라인 페인트 주식회사
주식회사 이화정공
강창구
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/004Reflecting paints; Signal paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D125/00Coating 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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02Homopolymers or copolymers of hydrocarbons
    • C09D125/04Homopolymers or copolymers of styrene
    • C09D125/08Copolymers of styrene
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D167/00Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/02Polyureas
    • C09D7/1216

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

Provided in the present invention is a road marking paint composition comprising 4-20 parts by weight of a styrene-based block copolymer; 4-15 parts by weight of ethylene vinyl acetate; 150-300 parts by weight of a pigment composed of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture of the same; 100-270 parts by weight of high brightness glass balls; 2-15 parts by weight of a photostabilizer; 4-25 parts by weight of oil; and 2-20 parts by weight of polyethylene wax, based on 100 parts by weight of a binder resin composed of petroleum resin, modified maleic acid resin, or a mixture of the same. The road marking paint composition forms a coating film which is stable and has high durability by improving flexibility and durability, and provides high visibility to a driver and a pedestrian at night and in rain by improving abrasion resistance and retro-reflection performance.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a coating composition for road marking having improved flexibility and durability,

TECHNICAL FIELD The present invention relates to a coating composition for road marking and a coating method using the coating composition. More particularly, the present invention relates to a coating composition for road marking which is capable of securing flexibility while increasing the durability of a road lane marker.

Generally, the lane of the road is used as a guide for guiding the vehicle so that the vehicle traveling on the road can be safely moved. In order to improve the lane visibility during the rainy weather or at night, it is painted with a paint composition containing glass beads, After painting, the paint composition containing glass beads is applied on the lane before drying, or the glass bead is adhered to the lane surface by spraying the liquid containing the glass beads on the painted lane to improve the retroreflectivity have.

Representative examples of such paints include room temperature drying road marking paints, water-soluble road marking paints, heating road marking paints, fusing road marking paints, room temperature curing type plastic paints, and the government defines KSM 6080.

Further, as a coating material for road marking, thermoplastic fusing type road marking coating material is mainly used, which is relatively more durable than other road marking coating materials, and is convenient for drivers and pedestrians It is mainly applied because it does not inconvenience.

Particularly, the fusing coating composition can be prepared by using a plasticizer such as a petroleum resin, a phthalate plasticizer such as polyethylene wax (PE WAX) or di-2-ethylhexyl phthalate (DOP), calcium carbonate, glass beads, stabilizer, titanium dioxide, And is widely used as a composition.

For example, in Korean Patent No. 10-0832922, SEBS copolymer and ethylene vinyl acetate are added to reinforce elasticity, and an alpha-polyolefin is added to reinforce flowability and adhesive strength to solve cracks and the like of petroleum resin , Korean Patent No. 10-0875245 discloses that EVA, calcium carbonate, titanium dioxide and wax are incorporated in a coating composition to improve durability. In Korean Patent No. 10-0906436, crack prevention, improvement of durability and dropout of beads Discloses a coating composition comprising a thermoplastic polyamide resin and a non-crystalline polyalphaolefin in order to improve fluidity and stability. In Korean Patent No. 10-0943389, a nonvolatile polyester resin is blended to improve durability .

However, the above-mentioned conventional techniques solve cracking, which is a disadvantage of petroleum resin. However, cracks still occur, and after 6 months of construction, the cracks are enlarged and a phenomenon of detachment is also found, which is unsatisfactory. The use of polyalphaolefins has been proposed to suppress cracking and improve durability. However, even when polyalphaolefins are added, the occurrence of cracks can be suppressed in the early stage, Is still present and its price is too high to be used and the adhesive force of glass beads is lowered. Therefore, it is not preferable to add such a polyalphaolefin for the purpose of improving the fluidity of the fusion-type coating composition.

In addition, blending the nonvolatile polyester resin requires a long period of time for drying after application, and is problematic in that it is too warnable and tends to cause a drop-off phenomenon due to friction with the tire after application, have.

In addition, phthalate plasticizers used as plasticizers cause environmental hormones, so environmental groups and government departments are prohibiting or suppressing these plasticizers as much as possible.

The glass beads usually used in the fusion-type coating composition are those having a particle size of 100 to 1200, and when they are used as they are, the adhesive force between the particles is increased. However, in the case of rainy weather and nighttime, So that it can be used as it is without breaking down according to its purpose, and it can also be used to collect only a certain range of particle diameters in order to solve the diffuse reflection problem.

Particularly, the paint lane by the conventional fusion-type paint composition is liable to be lost when a lane is worn with a lapse of time due to repetitive friction with the tire of an automobile, , The economic loss is increased, and the driver's inconvenience in road use is added.

The present invention has been made in order to overcome the above-mentioned problems, and it is an object of the present invention to provide a coating composition capable of forming a stable coating film on a target surface for forming a coating film and improving flexibility and durability, and specifically providing a coating composition for road marking I want to.

The present invention
Based on 100 parts by weight of a binder resin composed of a petroleum resin, a modified maleic acid resin or a mixture thereof,
4 to 20 parts by weight of styrene-isoprene-styrene (SIS) as a styrene block copolymer;
4 to 15 parts by weight of ethylene vinyl acetate;
150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof;
100 to 270 parts by weight of high-brightness glass beads;
2 to 15 parts by weight of a light stabilizer;
4 to 25 parts by weight of oil; And
And 2 to 20 parts by weight of a polyethylene wax are added to a coating composition for road marking,
Acrylic copolymer in an amount of 10 to 50 parts by weight based on 100 parts by weight of the binder resin,
Further comprising 2 to 10 parts by weight of polyvinyl alcohol based on 100 parts by weight of the binder resin,
Further comprising 2 to 8 parts by weight of tetraethylenepentamine based on 100 parts by weight of the binder resin,
And 1 to 10 parts by weight of octyltriethoxysilane based on 100 parts by weight of the binder resin,
Further comprising 3 to 10 parts by weight of an amino group-containing siloxane based on 100 parts by weight of the binder resin,
Further comprising 1 to 5 parts by weight of magnesium silicate based on 100 parts by weight of the binder resin,
Further comprising 0.5 to 3 parts by weight of natural cellulose fibers based on 100 parts by weight of the binder resin,

Wherein the coating composition further comprises 10 to 30 parts by weight of an anti-peeling agent based on 100 parts by weight of the binder resin.

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In addition,
4 to 20 parts by weight of SIS (Styrene-Isoprene-Styrene) as a styrenic block copolymer, based on 100 parts by weight of a binder resin composed of a petroleum resin, a modified maleic acid resin or a mixture thereof; 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 2 to 15 parts by weight of a light stabilizer; And 2 to 20 parts by weight of a polyethylene wax, wherein the acrylic copolymer further comprises 10 to 50 parts by weight based on 100 parts by weight of the binder resin, and further comprises 2 to 10 parts by weight of polyvinyl alcohol based on 100 parts by weight of the binder resin , Tetraethylene pentamine in an amount of 2 to 8 parts by weight based on 100 parts by weight of the binder resin, and octyltriethoxysilane in an amount of 1 to 10 parts by weight based on 100 parts by weight of the binder resin, wherein the amino group- Based on 100 parts by weight of the binder resin, and 3 to 10 parts by weight based on 100 parts by weight of the binder resin, wherein the magnesium silicate is further added in an amount of 1 to 5 parts by weight based on 100 parts by weight of the binder resin, Further comprising 10 to 30 parts by weight of an anti-peeling agent based on 100 parts by weight of the binder resin, Of water using a mixer to mix the first mixing step for 10 to 20 minutes; And

Further comprising a second mixing step of adding 100 to 270 parts by weight of high-brightness glass beads and 5 to 25 parts by weight of the oil based on 100 parts by weight of the binder resin after the completion of the primary mixing step, followed by mixing for 10 to 20 minutes There is provided a method for producing a coating composition for road surface marking.

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INDUSTRIAL APPLICABILITY The coating composition for road surface marking according to the present invention improves flexibility and durability to form a stable and durable coating film and improves wear resistance and retroreflective performance to ensure high visibility for drivers and pedestrians at night and rainy times.

Hereinafter, the present invention will be described in detail.

In one aspect, the present invention provides a resin composition comprising 4 to 20 parts by weight of a styrenic block copolymer, based on 100 parts by weight of a binder resin comprising a petroleum resin, a modified maleic acid resin or a mixture thereof; 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 100 to 270 parts by weight of high-brightness glass beads; 2 to 15 parts by weight of a light stabilizer; 4 to 25 parts by weight of oil; And 2 to 20 parts by weight of a polyethylene wax.

In another aspect, the present invention provides a resin composition comprising 4 to 20 parts by weight of a styrenic block copolymer, based on 100 parts by weight of a binder resin comprising a petroleum resin, a modified maleic acid resin or a mixture thereof; 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 2 to 15 parts by weight of a light stabilizer; And 2 to 20 parts by weight of a polyethylene wax are mixed for 10 to 20 minutes using a blender; And a second mixing step of adding 100 to 270 parts by weight of high-brightness glass beads and 5 to 25 parts by weight of oil to the mixture after 10 to 20 minutes, based on 100 parts by weight of the binder resin after completion of the primary mixing step The present invention provides a method for producing a coating composition for a road surface.

The coating composition for road marking according to the present invention, specifically the coating composition for road marking having improved flexibility and durability, is intended to provide stable and long-term visibility to drivers and pedestrians. It is a conventional road marking And is not particularly limited as long as it is a coating composition.

The binder resin according to the present invention is intended to improve the adhesiveness of the coating composition for road marking to the road surface and the bonding force between the coating compositions, and is not particularly limited as long as it is a binder resin commonly used in the art having such a purpose.

Preferred binder resins include petroleum resins, modified maleic acid resins or mixtures thereof.

The content of the remaining components other than the binder resin constituting the coating composition for road surface marking according to the present invention is based on 100 parts by weight of the binder resin.

The styrene block copolymers according to the present invention prevent the coating composition for road marking from having low abrasion resistance due to the low molecular weight of petroleum or rosin.

In particular, the styrenic block copolymer according to the present invention provides flexibility at low temperatures to reduce cracking and increase elasticity, thereby improving the mechanical properties of the binder resin, thereby prolonging the life of the coating composition for road marking .

As a preferred styrenic block copolymer, it is preferable to use SIS (Styrene-Isoprene-Styrene) and its amount to be used is preferably 4 to 20 parts by weight based on 100 parts by weight of the binder resin.

In particular, the SIS has a relatively low melt viscosity, has high flexibility, and can improve the adhesion between the road surface and the glass beads, thereby providing a high durability coating film.

The ethylene vinyl acetate according to the present invention is intended to prevent deformation of the coating film formed by the coating composition and to improve durability and the like, and is not particularly limited as long as it is a conventional ethylene vinyl acetate having such a purpose.

The amount of ethylene vinyl acetate to be used is preferably 4 to 15 parts by weight based on 100 parts by weight of the binder resin.

The pigment according to the present invention is intended to improve the physical properties such as hardness and gloss of a coating film formed from a coating composition, and to provide a coating composition, specifically, a coating composition for road marking.

As the preferred pigment, any conventional pigment may be used, but it is recommended to use an extender pigment and a color pigment mixture. The amount of the extender pigment to be used is preferably 150-300 parts by weight based on 100 parts by weight of the binder resin It is good.

The extender pigment serves to fill the pores in the coated film formed by the coating composition and regulate the complement and gloss of hardness and coating film formation. Specific examples thereof include calcium carbonate, dolomite, clay, talc, mica, silica, One or more mixtures can be used, and calcium carbonate and / or dolomite is preferably used.

Particularly, the extender pigment is contained in the coating composition to obtain a good coating film appearance, and it is possible to improve the rust resistance and the like.

The coloring pigment according to the present invention may be any pigment, for example, a pigment used for a paint for non-application, but is not limited thereto. The white pigment or the white pigment can be used regardless of the type of the rutile type titanium dioxide. The colored pigment contains an inorganic component pigment which does not contain a metal ion having a valence of 2 or more and which is not reactive. Is preferably used. In addition, iron oxide based inorganic coloring pigments or carbon black can be used, but titanium dioxide and / or azo compounds, such as "Yellow 83"

As a specific aspect, the extender pigments and the color pigments constituting the pigment according to the present invention can further improve the physical properties required by the paint composition, specifically the paint composition for road marking, by controlling the compounding ratio thereof. , That is, the compounding ratio is 60 to 70% by weight of an extender pigment in which dolomite and calcium carbonate are mixed in a weight ratio of 1: 1.6 to 1: 3; And 30 to 40% by weight of a coloring pigment in which the azo compound and titanium dioxide are mixed in a weight ratio of 1: 5 to 1:10.

The high-brightness glass bead according to the present invention is intended to provide high visibility to drivers and pedestrians at night and in rainy weather. Any glass beads of ordinary interest in the art having such a purpose, specifically high-brightness beads can be used.

Preferably, the average particle size of the high-brightness glass beads is 0.4 to 1.2 mm, and the amount thereof is preferably 100 to 270 parts by weight based on 100 parts by weight of the binder resin.

Particularly, the high-brightness glass bead according to the present invention has a retroreflective performance coefficient (R L ; Which indicates the EL coefficient of illuminance at a location perpendicular to the direction of light incident on the road mark) is high and has a retroreflective brightness of 400 mcd -2 lx -1 or more. The high- It is difficult to obtain a molten injection furnace, and the glass can be directly melted to obtain spherical glass beads.

The light stabilizer according to the present invention is used for stabilizing the coating layer of the coating composition for road surface marking, and is useful for stabilizing the coating layer of the coating composition for road surface marking, which comprises an amine compound, clay having organic group, polyvinyl copolymer, polyvinyl homopolymer, fumed silica, precipitated silica, It is advisable to use a hindered amine light stabilizer as a recommendation.

The amount of the light stabilizer to be used is preferably 2 to 15 parts by weight based on 100 parts by weight of the binder resin.

The oil according to the present invention is for imparting the flexibility of the composition by improving the composition, compatibility, water resistance, solvent resistance, stability and the like among the components of the coating composition, specifically the coating composition for road marking, Is not particularly limited.

As a preferable oil, it is preferable to use a white oil which does not generate an environmental hormone, and the amount thereof to be used is preferably 4 to 25 parts by weight based on 100 parts by weight of the binder resin.

The polyethylene wax according to the present invention is intended to prevent surface tackiness of the dry film layer to prevent surface contamination due to passage of vehicles and pedestrians, and to improve physical properties such as durability.

The amount of the polyethylene wax to be used is preferably 2 to 20 parts by weight based on 100 parts by weight of the binder resin.

In a specific embodiment, the coating composition for road marking according to the present invention may further comprise 2 to 15 parts by weight of an ultraviolet absorber based on 100 parts by weight of the binder resin to stabilize the coating layer and prevent the change of the paint finish after a long period of time , And hydroxybenzoate as a preferable ultraviolet absorber.

In another specific embodiment, the coating composition for road marking according to the present invention may further contain 5 to 30 parts by weight of an anti-strain agent based on 100 parts by weight of the binder resin to reduce plastic deformation.

It is recommended that suitable antidegradants include polyethylene, polybutene, impact polystyrene, polypropylene or mixtures thereof.

If the amount of the antidepressant is less than 5 parts by weight, the effect of preventing deformation is insignificant. If the amount of the antidepressant is more than 30 parts by weight, mixing with other components is not easy.

As another specific embodiment, the coating composition for road surface marking according to the present invention can be applied to a surface of a coating film to be formed, that is, a surface on which a coating film is to be formed, namely, a strong adhesion between a road surface and a coating film, a water resistance, a water permeability, an oxygen permeability, And may further include 10 to 50 parts by weight of an acrylic copolymer based on 100 parts by weight of the binder resin, in order to provide chemical resistance, mechanical properties (elasticity, glass transition temperature, stress relaxation) and the like.

The preferred acrylic copolymers are preferably those formed by polymerization of acrylic monomers, 4-cyanovaleric acid, glycidyl methacrylate (GMA), and are preferably acrylate copolymers copolymer.

At this time, it is preferable to use butyl acrylate (BAM), glycidyl methacrylate (GMA) or a mixture thereof as the acrylic monomer.

In another specific embodiment, the coating composition for road marking according to the present invention may further comprise polyvinyl alcohol in order to enhance initial adhesion and coatability. The polyvinyl alcohol may be dispersed in the coating composition for road marking But also the initial tacky property is increased to improve the initial adhesive force, thereby reducing the defective rate of peeling and twisting of the coating composition in the process of work.

The amount of the polyvinyl alcohol used is 2 to 10 parts by weight based on 100 parts by weight of the binder resin. When the polyvinyl alcohol is 2 parts by weight or less, the effect is insignificant. When the amount is 10 parts by weight or more, But also the weatherability of the coating composition for road surface marking may be adversely affected.

In another specific embodiment, the coating composition for road surface marking according to the present invention may further comprise 2 to 8 parts by weight of tetraethylenepentamine (TEPA) based on 100 parts by weight of the binder resin, wherein the tetraethylenepentamine is a polyamine The effect of controlling the curing speed and viscosity of the coating composition for road surface marking is small when the amount is less than 2 parts by weight and is not economical when the amount is more than 8 parts by weight.

In another specific embodiment, the coating composition for road surface marking according to the present invention may further comprise octyltriethoxysilane to improve adhesion.

The octyltriethoxysilane may be used in the form of a monomer. The molecular weight of the monomer is not particularly limited, but is preferably 150 to 450 Da, and the amount thereof is 1 to 10 parts by weight based on 100 parts by weight of the binder resin .

In another specific embodiment, the coating composition for road surface marking according to the present invention is an aminofunctional siloxane which effectively cures at room temperature and provides improved properties such as heat resistance, low temperature performance, chemical resistance, solvent resistance and oil resistance .

The amino-containing siloxane is not particularly limited, and examples thereof include aminomethylpolydimethylsiloxane. The amount of the amino-containing siloxane to be used is preferably 3 to 10 parts by weight based on 100 parts by weight of the binder resin.

In another specific embodiment, the coating composition for road surface marking according to the present invention may further comprise magnesium silicate in an amount of 1 to 5 parts by weight based on 100 parts by weight of the binder resin for extending the life of the road marking.

Since the magnesium silicate has excellent chemical resistance, chemical resistance and resistance to weathering, when the magnesium silicate is included in the coating composition for road marking, the life of the road marking is extended due to the above characteristics.

In another specific embodiment, the coating composition for road surface marking according to the present invention may further include natural cellulose fibers in order to prevent cracks that may occur on the surface depending on the drying speed.

The natural cellulose fibers are preferably used in an amount of 0.5 to 3 parts by weight based on 100 parts by weight of the binder resin. If it is used in an amount less than 0.5 parts by weight, problems may arise in material separation, lubricity, and cohesive force. In the case of using more than 3 parts by weight, work time can be secured and moisture evaporation can not be suppressed.

The coating composition for road surface marking according to the present invention may further comprise 10 to 30 parts by weight of non-slip particles based on 100 parts by weight of the binder resin.

The non-slip particles are included in the coating composition to provide a frictional force so as to prevent the vehicle or the pedestrian from slipping. The non-slip particles are not particularly limited as long as they are conventional non-slip particles in the art having such a purpose, It is preferable to use at least one selected from the group consisting of glass powder, glass powder, metal alloy powder or a mixture of at least one selected from the group consisting of silica, aluminum oxide, silicon carbide, ceramic or a mixture thereof.

As another example of the preferred non-slip particles, in the present invention, there are used diamond particles such as diamond (Dianmond), boron carbide, emery, alumina, fused alumina, silicon carbide, zirconia Fused Bauxite, Aluminum oxide, Quartz, Garnet and / or Battom ash may be used.

In particular, the non-slip particles according to the present invention can use transparent non-slip particles for differential visualization.

These transparency non-slip particles can impart a depth to the color of the pavement surface of the road, have a high brightness reflection, and produce a more controlled color.

Preferable transparent non-slip particles can be transparent quartz-type natural stone or glass particles obtained by grinding glass.

 Meanwhile, the size of the non-slip particles according to the present invention is not particularly limited, but it is recommended that relatively large particle sizes range from 60 to 1,130, preferably 140 to 840.

In another specific embodiment, the coating composition for road marking according to the present invention may further comprise an anti-peeling agent to prevent the coating film from being easily peeled from the object surface.

As the preferable peeling inhibitor, it is preferable to use a polyphosphoric acid type, an amine type, or a phosphoric acid ester type peeling inhibitor.

Specifically, the anti-peeling agent is in the form of a liquid phase and has a specific gravity of 1.0 or more and a viscosity of 60 cps or 110 cPs; An acidic peeling inhibitor having an acid value of 10 KOH / g or less and a total amine value of 140 to 400 HCl / g.

It is recommended that the preferred amount of the anti-peeling agent be 10 to 30 parts by weight based on 100 parts by weight of the binder resin.

A coating composition according to the present invention having such a structure and a method for producing a coating composition for road marking will be described as follows. However, the following manufacturing method is not limited to this embodiment.

The coating composition for road surface marking according to the present invention is characterized by containing 4 to 20 parts by weight of a styrenic block copolymer based on 100 parts by weight of a binder resin comprising a petroleum resin, a modified maleic acid resin or a mixture thereof; 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 2 to 15 parts by weight of a light stabilizer; And 2 to 20 parts by weight of a polyethylene wax are mixed for 10 to 20 minutes using a blender; And

After the first mixing step, 100 to 270 parts by weight of high-brightness glass beads and 5 to 25 parts by weight of the oil are further added and mixed for 10 to 20 minutes based on 100 parts by weight of the binder resin .

Meanwhile, the coating composition for road surface marking according to the present invention can form a coating film by a melting method through heating, and the melting method will be described as follows.

In particular, the method for melting the coating composition for road marking according to the present invention can be a direct heating type or an indirect heating type. In a direct heating type, a coating composition for road marking is put into a heat- A heating step of slowly heating the temperature inside the molten bath to 200 to 250 so as not to form

Stirring the mixture in the heating step using a stirrer so that local heating is not performed inside the melting vessel; And

And a homogenization step of keeping the temperature of the molten bath at about 200 to 20 to 40 minutes after the completion of the heating step so that the melt is homogenized.

The indirect heating type is an indirect heating method in which a constant capacity heat-resistant container, that is, an indirect heating step of indirectly heating the molten bath using a heating medium oil after the coating composition for road surface marking is put into the molten bath to maintain the temperature inside the molten bath at 200 to 250 ;

Stirring in an indirect heating step using a stirrer so as not to be locally heated in the molten bath; And

And in the indirect heating step, the temperature of the molten bath is maintained at about 200 to 20 to 40 minutes so that the melt is homogenized.

On the other hand, the coating composition for road surface marking according to the present invention having the above-described structure can form a coating film on the road surface by a conventional method in the art. However, for easier understanding of the present invention, Then,

The method for applying the coating composition for road marking according to the present invention comprises the steps of: cleaning a surface of a target to be applied; After completion of the cleaning step, 4 to 20 parts by weight of a styrenic block copolymer, based on 100 parts by weight of a binder resin made of a petroleum resin, a modified maleic acid resin or a mixture thereof, 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 100 to 270 parts by weight of high-brightness glass beads; 2 to 15 parts by weight of a light stabilizer; 4 to 25 parts by weight of oil; And 2 to 20 parts by weight of a polyethylene wax is spray-coated on the coating composition for road marking.

Also, the method of the present invention for coating a road surface marking composition comprises: a cleaning step of cleaning a surface of an object to be coated; After completion of the cleaning step, 4 to 20 parts by weight of a styrenic block copolymer, based on 100 parts by weight of a binder resin composed of a petroleum resin, a modified malic acid resin, or a mixture thereof, 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 100 to 270 parts by weight of high-brightness glass beads; 2 to 15 parts by weight of a light stabilizer; 4 to 25 parts by weight of oil; And 2 to 20 parts by weight of a polyethylene wax are coated with a ground coating composition.

Hereinafter, the present invention will be described in detail by way of examples. However, the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[Example 1]

As the binder resin, a pigment consisting of 100 g of petroleum resin, 5 g of styrene block copolymer SIS, 5 g of ethylene vinyl acetate (EVA), 150 g of calcium carbonate, 50 g of dolomite and 50 g of titanium dioxide, 125 g of high brightness glass beads and 125 g of a hindered amine light stabilizer , 7.5 g of white oil and 5 g of polyethylene wax were mixed to prepare a coating composition.

[Example 2]

100 g of a petroleum resin as a binder resin, 10 g of an SIS as a styrenic block copolymer, 7.5 g of ethylene vinyl acetate (EVA), 115 g of calcium carbonate, 32 g of dolomite and 55 g of titanium dioxide, 150 g of high brightness glass beads, 8 g of riser, 10 g of white oil and 8 g of polyethylene wax were mixed to prepare a coating composition.

[Example 3]

A pigment consisting of 100 g of a petroleum resin as a binder resin, 16.5 g of a styrenic block copolymer SIS, 11 g of ethylene vinyl acetate (EVA), 90.5 g of calcium carbonate, 49.5 g of dolomite and 66 g of titanium dioxide, 35 g of high brightness glass beads, 2.75 g of Light stabilizer, 11 g of white oil and 11 g of polyethylene wax were mixed to prepare a coating composition.

[Example 4]

A pigment consisting of 100 g of a modified maleic acid resin as a binder resin, 21 g of a styrenic block copolymer SIS, 15 g of ethylene vinyl acetate (EVA), 40.5 g of calcium carbonate, 52 g of dolomite and 68 g of titanium dioxide, 210 g of high brightness glass beads, 6 g of stabilizer, 8 g of white oil and 8 g of polyethylene wax were mixed to prepare a coating composition.

[Example 5]

A pigment consisting of 100 g of a modified maleic acid resin as a binder resin, 30 g of a styrenic block copolymer SIS, 17 g of ethylene vinyl acetate (EVA), 60 g of calcium carbonate, 50 g of dolomite and 77 g of titanium dioxide, 192 g of high brightness glass beads, 6 g of a riser, 11 g of white oil and 11 g of polyethylene wax were mixed to prepare a coating composition.

[Example 6]

The coating composition was prepared in the same manner as in Example 1 except that 5 g of the antidegradant made of polybutene was further added.

[Example 7]

Except that 10 g of the polyphosphoric acid peeling inhibitor having a specific gravity of 1.0 or more and a viscosity of 60 cPs was further added.

[Example 8]

The procedure of Example 1 was repeated except that 5 g of octyltriethoxysilane was added.

[Example 9]

The procedure of Example 1 was repeated except that 5 g of hydroxybenzoate was added as an ultraviolet absorber.

[Example 10]

The procedure of Example 1 was repeated except that 5 g of aminomethylpolydimethylsiloxane was added.

[Example 11]

The procedure of Example 1 was repeated, except that 5 g of polyvinyl alcohol was further added.

[Example 12]

The procedure of Example 1 was repeated except that 6 g of tetraethylenepentamine was further added.

[Example 13]

The procedure of Example 1 was repeated except that 3 g of magnesium silicate was added.

[Example 14]

The procedure of Example 1 was repeated except that 2 g of natural cellulose fiber was added.

[Comparative Example 1]

A coating composition was prepared by mixing 20 g of petroleum resin, 3 g of propylene-butene-ethylene copolymer, 5 g of titanium dioxide, 25 g of high brightness glass beads, 1.5 g of dioctyl phthalate (DOP), 1.5 g of polyethylene wax, 1 g of light stabilizer and 43 g of calcium carbonate .

[Comparative Example 2]

(DOP), 1.5 g of polyethylene wax, 1 g of a light stabilizer, 1 g of a light stabilizer, 20 g of a modified maleic acid resin, 2 g of a propylene-butene-ethylene copolymer, 1 g of ethylene vinyl acetate (EVA), 5 g of titanium dioxide, Were mixed to prepare a coating composition.

[Experiment]

The coating compositions prepared according to Examples and Comparative Examples were gradually heated to 200 to 250 and stirred. The melts were maintained at a temperature of about 200 ° C and then coated on asphalt to form a coating film. Cracks and appearance were observed. The chromaticity coordinates and brightness, retroreflectivity (dry and wet state), and adhesive strength were measured before and after the test (200,000, 500,000, 1 million, 2,000,000, and 4,000,000 miles of load test) Table 1 shows the results.

division Crack and appearance Wear rating grade (dry) Weatherability Retroreflective performance
(Traffic volume P7, mcd / ())
Adhesive strength
(N /)
P3 P4 P5 P6 P7 Chromaticity coordinates Luminance rate
()
Dry state Wet
Example 1 no problem R5 R5 R5 R4 R5 no problem 0.02 335 86 1.54 Example 2 no problem R5 R5 R5 R5 R5 no problem 0.01 367 94 1.57 Example 3 no problem R5 R5 R5 R5 R5 no problem 0.01 384 109 1.60 Example 4 no problem R5 R5 R5 R5 R5 no problem 0.02 418 124 1.62 Example 5 no problem R5 R5 R5 R5 R5 no problem 0.01 432 150 1.68 Example 6 no problem R5 R5 R5 R4 R5 no problem 0.02 341 95 1.54 Example 7 no problem R5 R5 R5 R5 R5 no problem 0.03 330 84 1.53 Example 8 no problem R5 R5 R5 R5 R5 no problem 0.02 326 105 1.54 Example 9 no problem R5 R5 R5 R5 R5 no problem 0.03 318 91 1.56 Example 10 no problem R5 R5 R5 R5 R5 no problem 0.02 332 109 1.55 Example 11 no problem R5 R5 R4 R5 R5 no problem 0.01 350 120 1.54 Example 12 no problem R5 R5 R5 R5 R5 no problem 0.02 344 98 1.54 Example 13 no problem R5 R5 R5 R5 R5 no problem 0.03 334 115 1.55 Example 14 no problem R5 R5 R5 R5 R5 no problem 0.03 347 94 1.54 Comparative Example 1 Cracking R5 R2 - - - Above 0.06 Not measurable Not measurable 1.25 Comparative Example 2 Cracking R5 R3 R2 - - Above 0.08 Not measurable Not measurable 1.28

(Abrasion means the wheels can pass according to the traffic rates, and P0; not specified, P1: 0.5X10 5, P2: 1X10 5, P3: 2X10 5, P4: 5X10 5, P5: 1X10 6, P6: 2X10 6 , P7: 4X10 6 )

As shown in Table 1, it was confirmed that Examples 1 to 14 using the coating composition for road surface marking according to the present invention did not crack, had good weatherability and retroreflectivity, and excellent adhesive property.

As described above, those skilled in the art will understand that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the embodiments described above are all illustrative and not restrictive. The scope of the present invention should be construed as being included in the scope of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.

Claims (5)

Based on 100 parts by weight of a binder resin composed of a petroleum resin, a modified maleic acid resin or a mixture thereof,
4 to 20 parts by weight of styrene-isoprene-styrene (SIS) as a styrene block copolymer;
4 to 15 parts by weight of ethylene vinyl acetate;
150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof;
100 to 270 parts by weight of high-brightness glass beads;
2 to 15 parts by weight of a light stabilizer;
4 to 25 parts by weight of oil; And
And 2 to 20 parts by weight of a polyethylene wax are added to a coating composition for road marking,
Acrylic copolymer in an amount of 10 to 50 parts by weight based on 100 parts by weight of the binder resin,
Further comprising 2 to 10 parts by weight of polyvinyl alcohol based on 100 parts by weight of the binder resin,
Further comprising 2 to 8 parts by weight of tetraethylenepentamine based on 100 parts by weight of the binder resin,
And 1 to 10 parts by weight of octyltriethoxysilane based on 100 parts by weight of the binder resin,
Further comprising 3 to 10 parts by weight of an amino group-containing siloxane based on 100 parts by weight of the binder resin,
Further comprising 1 to 5 parts by weight of magnesium silicate based on 100 parts by weight of the binder resin,
Further comprising 0.5 to 3 parts by weight of natural cellulose fibers based on 100 parts by weight of the binder resin,
Further comprising 10 to 30 parts by weight of an anti-peeling agent based on 100 parts by weight of the binder resin.
delete 4 to 20 parts by weight of SIS (Styrene-Isoprene-Styrene) as a styrenic block copolymer, based on 100 parts by weight of a binder resin composed of a petroleum resin, a modified maleic acid resin or a mixture thereof; 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 2 to 15 parts by weight of a light stabilizer; And 2 to 20 parts by weight of a polyethylene wax, wherein the acrylic copolymer further comprises 10 to 50 parts by weight based on 100 parts by weight of the binder resin, and further comprises 2 to 10 parts by weight of polyvinyl alcohol based on 100 parts by weight of the binder resin , Tetraethylene pentamine in an amount of 2 to 8 parts by weight based on 100 parts by weight of the binder resin, and octyltriethoxysilane in an amount of 1 to 10 parts by weight based on 100 parts by weight of the binder resin, wherein the amino group- Based on 100 parts by weight of the binder resin, and 3 to 10 parts by weight based on 100 parts by weight of the binder resin, wherein the magnesium silicate is further added in an amount of 1 to 5 parts by weight based on 100 parts by weight of the binder resin, Further comprising 10 to 30 parts by weight of an anti-peeling agent based on 100 parts by weight of the binder resin, Of water using a mixer to mix the first mixing step for 10 to 20 minutes; And
Further comprising a second mixing step of adding 100 to 270 parts by weight of high-brightness glass beads and 5 to 25 parts by weight of the oil based on 100 parts by weight of the binder resin after the completion of the primary mixing step, followed by mixing for 10 to 20 minutes A method for producing a coating composition for road surface marking.
A cleaning step of cleaning a target surface to which the coating composition is applied;
After completion of the cleaning step, 4 to 20 parts by weight of SIS (Styrene-Isoprene-Styrene) as a styrenic block copolymer is added to the surface of the object, based on 100 parts by weight of a binder resin made of petroleum resin, modified maleic acid resin or a mixture thereof. 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 100 to 270 parts by weight of high-brightness glass beads; 2 to 15 parts by weight of a light stabilizer; 4 to 25 parts by weight of oil; And 2 to 20 parts by weight of a polyethylene wax, wherein the acrylic copolymer is contained in an amount of 10 to 50 parts by weight based on 100 parts by weight of the binder resin, and the polyvinyl alcohol is contained in an amount of 2 to 20 parts by weight based on 100 parts by weight of the binder resin. Further comprising 2 to 8 parts by weight of tetraethylene pentamine based on 100 parts by weight of the binder resin and 1 to 10 parts by weight of octyltriethoxysilane based on 100 parts by weight of the binder resin, Further comprising 3 to 10 parts by weight of an amino group-containing siloxane based on 100 parts by weight of the binder resin and 1 to 5 parts by weight of magnesium silicate based on 100 parts by weight of the binder resin, wherein the natural cellulose fibers are mixed with 100 parts by weight of a binder resin 0.5 to 3 parts by weight based on 100 parts by weight of the binder resin, And 30 parts by weight based on the total weight of the coating composition for a road marking composition.
A cleaning step of cleaning a target surface to which the coating composition is applied;
After completion of the cleaning step, 4 to 20 parts by weight of a styrene block copolymer SIS (Styrene-Isoprene-Styrene) based on 100 parts by weight of a binder resin made of a petroleum resin, a modified maleic acid resin or a mixture thereof, 4 to 15 parts by weight of ethylene vinyl acetate; 150 to 300 parts by weight of a pigment made of calcium carbonate, dolomite, titanium dioxide, an azo compound or a mixture thereof; 100 to 270 parts by weight of high-brightness glass beads; 2 to 15 parts by weight of a light stabilizer; 4 to 25 parts by weight of oil; And 2 to 20 parts by weight of a polyethylene wax, wherein the acrylic copolymer is contained in an amount of 10 to 50 parts by weight based on 100 parts by weight of the binder resin, and the polyvinyl alcohol is used in an amount of 2 to 10 parts by weight based on 100 parts by weight of the binder resin Further comprising tetraethylenepentamine in an amount of 2 to 8 parts by weight based on 100 parts by weight of the binder resin and further containing 1 to 10 parts by weight of octyltriethoxysilane based on 100 parts by weight of the binder resin, Containing siloxane in an amount of 3 to 10 parts by weight based on 100 parts by weight of the binder resin and further comprising 1 to 5 parts by weight of magnesium silicate based on 100 parts by weight of the binder resin, 0.5 to 3 parts by weight based on 100 parts by weight of the binder resin, And 0 part by weight of a coating composition for a road marking, wherein the coating composition is coated with a ground coating to form a coating film.
KR1020150133984A 2015-09-22 2015-09-22 Paint Composition Improved of Flexibility and Durability for Surface Sign of Paved Road and Painting Methods Using Thereof KR101613074B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101747372B1 (en) * 2016-06-08 2017-06-15 대동안전주식회사 Composition for road sign using phosphorescent pigments having improved low temperature impact resistance
JP2018035341A (en) * 2016-08-25 2018-03-08 アトミクス株式会社 Aqueous road-marking coating
KR102490055B1 (en) * 2022-10-20 2023-01-19 주식회사 에코리치 Thermoplastic road marking paint

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KR100521786B1 (en) * 2004-10-12 2005-10-13 이상호 Manufacture of high efficiency binder for color packing and color packing method using it
KR101045007B1 (en) * 2010-06-21 2011-06-30 한국쓰리엠 주식회사 Method for road line marking

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Publication number Priority date Publication date Assignee Title
KR100521786B1 (en) * 2004-10-12 2005-10-13 이상호 Manufacture of high efficiency binder for color packing and color packing method using it
KR101045007B1 (en) * 2010-06-21 2011-06-30 한국쓰리엠 주식회사 Method for road line marking

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101747372B1 (en) * 2016-06-08 2017-06-15 대동안전주식회사 Composition for road sign using phosphorescent pigments having improved low temperature impact resistance
JP2018035341A (en) * 2016-08-25 2018-03-08 アトミクス株式会社 Aqueous road-marking coating
JP2022161946A (en) * 2016-08-25 2022-10-21 アトミクス株式会社 Coating material for aqueous road surface marking
KR102490055B1 (en) * 2022-10-20 2023-01-19 주식회사 에코리치 Thermoplastic road marking paint

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