CN104230296A - Wear-resistant light-reflective road-marking coating for cement road - Google Patents
Wear-resistant light-reflective road-marking coating for cement road Download PDFInfo
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- CN104230296A CN104230296A CN201310233460.4A CN201310233460A CN104230296A CN 104230296 A CN104230296 A CN 104230296A CN 201310233460 A CN201310233460 A CN 201310233460A CN 104230296 A CN104230296 A CN 104230296A
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Abstract
The invention discloses a wear-resistant light-reflective road-marking coating for a cement road. The coating is composed of the following ingredients, by weight, 22-28% of sodium silicate, 3-5% of sodium fluorosilicate, 8-10% of zinc oxide, 6-8% of water-soluble acrylic resin, 1.2-1.8% of silicane, 0.2-0.7% of sodium hexametaphosphate, 2-3% of sodium polyacrylate, 1.5-7% of alcohol ester-12, 4-7% of rutile titanium dioxide, 8-12% of talcum powder, 4-6% of heavy calcium carbonate, 12-14% of attapulgite clay, 0.05-0.1% of dimethicone, 0.6-1% of ethanediol, 3.5-5.5% of glass beads, 0.1-0.2% of carboxymethyl cellulose and the balance water, wherein granularity of rutile titanium dioxide is 300-400 meshes; granularity of heavy calcium carbonate is 200-300 meshes; and granularity of attapulgite clay is 240-320 meshes.
Description
Technical field
The present invention relates to traffic facilities technical field, particularly relate to a kind of road mark paint.
Background technology
At present, marking paint divides solvent-borne type and hot-melting type two class.Solvent-borne type in use has a large amount of organic solvent volatilizations, and contaminate environment, affects health of human body, and intensity is low not wear-resisting, and work-ing life is short.Hot-melting type has strong adhesion, quick-drying, wear-resisting, and the life-span is long, and the feature such as visibility is good round the clock, abroad widely uses already.Domesticly also to be fruitful in recent years, if the patent No. is for shown in 88105009.1.But because of domestic oil resin, the main raw material quality such as titanium dioxide do not pass a test, so factory adopts imported raw material mostly, and price is higher, and this is one; It two is owing to needing heating to scrawle when hot-melt coating uses, and construct loaded down with trivial details, and need import equipment, price is also very expensive; Its three, this coating freeze-thaw resistance is poor, and when-30 DEG C of temperature, shrinking percentage is higher, and when temperature raise reach more than 60 DEG C time, coating expansion rate is comparatively large, easily like this causes coating hollowing and causes coming off, and ultimate compression strength reduces greatly; They are four years old, the humidity requirement of hot-melt traffic paint road pavement basic unit is very tight, below road surfaces 20 millimeters of depths concrete in water ratio must not be greater than 6%, otherwise coating and road surface are in conjunction with bad, and Here it is, and this coating constructs on cement road wants the reason place of precoating silane coupling agent.Therefore this coating of prior art is not suitable for executing in cement road and draws.
The patent No. a kind of reflective water-base paint for marker line of road that has been the disclosure of the invention of CN02131651.7 and preparation method thereof, but which employs titanic acid ester and silane composite coupler, cost is higher, and it only relies on titanium dioxide, water-ground limestone, light calcium carbonate to be filler, practice shows, its wear resistance is not satisfactory, need to improve.
Summary of the invention
The object of the invention is to propose a kind of cement road wear-resisting light reflecting gage mark coating, this coating can overcome the defect of prior art, is suitable for executing in cement road drawing, and high temperature resistant and low temperature performance excellent, and wear resistance greatly improves and causes significantly improve work-ing life.
For reaching this object, the present invention by the following technical solutions:
A kind of cement road wear-resisting light reflecting gage mark coating, being made up of following component by weight percentage of described coating: water glass 22 ~ 28%, Sodium Silicofluoride 3 ~ 5%, zinc oxide 8 ~ 10%, water soluble acrylic resin 6 ~ 8%, silane 1.2 ~ 1.8%, Sodium hexametaphosphate 99 0.2 ~ 0.7%, polyacrylic acid sodium salt 2 ~ 3%, alcohol ester 12 ~ 7%, rutile titanium dioxide 4 ~ 7%, talcum powder 8 ~ 12%, water-ground limestone 4 ~ 6%, convex Attapulgite 12 ~ 14%, dimethyl silicone oil 0.05 ~ 0.1%, ethylene glycol 0.6 ~ 1%, glass microballon 3.5 ~ 5.5%, carboxymethyl cellulose 0.1 ~ 0.2%, surplus is water, wherein rutile titanium dioxide and talcous granularity 300 ~ 400 order, the granularity of water-ground limestone is 200 ~ 300 orders, the granularity of convex Attapulgite is 240 ~ 320 orders.
The technical essential that the present invention solves is: when inorganics water glass and the modification of organism acrylic resin, adopt silane coupling agent, because coupling agent is the interface bridge of inorganics and organic substance, thus above-mentioned two kinds of materials of different nature are combined closely, thus make modified water glass base-material shelf-stable, solving existing like product adopts two component to be packaged in inconvenience in production and construction, makes construction simply convenient.The present invention take water glass as main binding agent, and coating has the features such as cohesive force is strong, hardness is high, wear-resisting; With the properties-correcting agent that Sodium Silicofluoride, zinc oxide are water glass, film is had features such as cohesive force is strong, hardness is high, wear-resisting, quick-drying; With the properties-correcting agent that water soluble acrylic resin, alcohol ester 12 are water glass, film is made to have excellent water tolerance, snappiness and excellent mechanical property.Take silane as the interface conditioning agent of organic-inorganic thing, improve the affinity of inorganics water glass and inorganics acrylic resin, thus water glass and water soluble acrylic resin's two kinds of materials of different nature are organically combined closely, make coating shelf-stable; With Sodium hexametaphosphate 99, polyacrylic acid sodium salt for composite dispersing agent, improve the affinity of base-material and pigment extender, easily disperse; With rutile titanium dioxide, talcum powder, convex Attapulgite, water-ground limestone for filler, coating is made to have high white degree and opacifying power and have stronger wear resistant; Be thickening material with carboxymethyl cellulose, make the filler in coating have good suspension, not easily precipitate, can opening is effective, and applying property is good; Be flow agent with ethylene glycol, make the good leveling property of coating, film coated surface is smooth, bright and clean, and resistance to crocking is good; Take dimethyl silicone oil as defoamer, to reduce the porosity of coated membrane, improve impervious; Take glass microballon as reflector, film layer has reflecting at night visibility, is beneficial to the safe driving improving driver and conductor.
The present invention has following beneficial effect:
1, the present invention only adopts silane as coupling agent, can reach titanic acid ester and the same technique effect of silane composite coupler, but cost reduces, and operation is relatively simple.
2. the present invention adopts rutile titanium dioxide, talcum powder, convex Attapulgite, water-ground limestone to be filler, substitute titanium dioxide, water-ground limestone, the light calcium carbonate filler of prior art, and by the adjustment to filler granularity, density and hardness after it is applied significantly improves, convex Attapulgite has certain cohesive action simultaneously, can strengthen the cohesive action of water glass, the intensity of coating is improved, thus wear resistance improves more than 50% than prior art.
3. main raw material adopts the chemical building material raw material of domestic conventional cheapness, and raw material is easy to get, with low cost.
4. important technology index, whiteness, wear resistance, ultimate compression strength, freeze-thawing resistant are better than heat reflow paint, and good with cement pavement Z-TEK of adhering, and reflecting effect is good;
5., owing to being dispersion medium with water, the hidden danger avoiding air environmental pollution and fire occurs, and has safety non-toxic feature; Can construct at moist cement pavement, not affect construction quality; Constructability, is convenient to adopt mechanize efficiently to construct.
Coating of the present invention is mainly used in cement pavement, is also applicable to bituminous concrete pavement simultaneously.Following table is the contrast of coating of the present invention and hot-melting type road sign reflective coating the key technical indexes:
Table: coating of the present invention and hot-melting type road sign reflective coating the key technical indexes contrast
Technical indicator title | The water base marking paint of the present invention | Hot-melt traffic paint |
Density | 2.0~2.2 | 2.3 below |
The surface not sticky tire time 25 ± 2 DEG C | 15 minutes | 15 minutes |
Whiteness (expecting in vain) | More than 75 | 65 |
Wear resistant 100 turns of mg | ≤50 | ≤200 |
Ultimate compression strength kg f/m2 | ≥230 | ≥120 |
Freeze-thaw resistance-30 ~ 80 DEG C | Four circulations are not ftractureed, without peeling off | ? |
Alkali resistance h | Saturated limewater soaks 24 hours | Qualified |
Reflective specific refractory power | 1.9 more than | 1.84 |
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with embodiment.
Embodiment one
A kind of cement road wear-resisting light reflecting gage mark coating, being made up of following component by weight percentage of described coating: water glass 22%, Sodium Silicofluoride 5%, zinc oxide 8%, water soluble acrylic resin 8%, silane 1.2%, Sodium hexametaphosphate 99 0.7%, polyacrylic acid sodium salt 2%, alcohol ester ten two 7%, rutile titanium dioxide 4%, talcum powder 12%, water-ground limestone 4%, convex Attapulgite 14%, dimethyl silicone oil 0.05%, ethylene glycol 1%, glass microballon 3.5%, carboxymethyl cellulose 0.2%, surplus is water, wherein rutile titanium dioxide and talcous granularity 300 ~ 400 order, the granularity of water-ground limestone is 200 ~ 300 orders, the granularity of convex Attapulgite is 240 ~ 320 orders.
Embodiment two
A kind of cement road wear-resisting light reflecting gage mark coating, being made up of following component by weight percentage of described coating: water glass 28%, Sodium Silicofluoride 3%, zinc oxide 10%, water soluble acrylic resin 6%, silane 1.8%, Sodium hexametaphosphate 99 0.2%, polyacrylic acid sodium salt 3%, alcohol ester ten two 1.5%, rutile titanium dioxide 7%, talcum powder 8%, water-ground limestone 6%, convex Attapulgite 12%, dimethyl silicone oil 0.1%, ethylene glycol 0.6%, glass microballon 5.5%, carboxymethyl cellulose 0.1%, surplus is water, wherein rutile titanium dioxide and talcous granularity 300 ~ 400 order, the granularity of water-ground limestone is 200 ~ 300 orders, the granularity of convex Attapulgite is 240 ~ 320 orders.
Embodiment three
A kind of cement road wear-resisting light reflecting gage mark coating, being made up of following component by weight percentage of described coating: water glass 25%, Sodium Silicofluoride 4%, zinc oxide 9%, water soluble acrylic resin 7%, silane 1.6%, Sodium hexametaphosphate 99 0.5%, polyacrylic acid sodium salt 2.5%, alcohol ester ten two 4%, rutile titanium dioxide 5.5%, talcum powder 10%, water-ground limestone 5%, convex Attapulgite 13%, dimethyl silicone oil 0.07%, ethylene glycol 0.8%, glass microballon 4.5%, carboxymethyl cellulose 0.15%, surplus is water, wherein rutile titanium dioxide and talcous granularity 300 ~ 400 order, the granularity of water-ground limestone is 200 ~ 300 orders, the granularity of convex Attapulgite is 240 ~ 320 orders.
Claims (1)
1. a cement road wear-resisting light reflecting gage mark coating, it is characterized in that, being made up of following component by weight percentage of described coating: water glass 22 ~ 28%, Sodium Silicofluoride 3 ~ 5%, zinc oxide 8 ~ 10%, water soluble acrylic resin 6 ~ 8%, silane 1.2 ~ 1.8%, Sodium hexametaphosphate 99 0.2 ~ 0.7%, polyacrylic acid sodium salt 2 ~ 3%, alcohol ester 12 ~ 7%, rutile titanium dioxide 4 ~ 7%, talcum powder 8 ~ 12%, water-ground limestone 4 ~ 6%, convex Attapulgite 12 ~ 14%, dimethyl silicone oil 0.05 ~ 0.1%, ethylene glycol 0.6 ~ 1%, glass microballon 3.5 ~ 5.5%, carboxymethyl cellulose 0.1 ~ 0.2%, surplus is water, wherein rutile titanium dioxide and talcous granularity 300 ~ 400 order, the granularity of water-ground limestone is 200 ~ 300 orders, the granularity of convex Attapulgite is 240 ~ 320 orders.
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CN201310233460.4A CN104230296A (en) | 2013-06-13 | 2013-06-13 | Wear-resistant light-reflective road-marking coating for cement road |
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CN201310233460.4A CN104230296A (en) | 2013-06-13 | 2013-06-13 | Wear-resistant light-reflective road-marking coating for cement road |
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Application publication date: 20141224 |