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Hot melting reflective type road reticule coating

A road marking and reflective technology, used in reflective/signal coatings, anti-corrosion coatings, polyester coatings, etc., can solve problems such as cumbersome construction, and achieve the effects of short drying time, good reflectivity, and enhanced bonding strength

Active Publication Date: 2018-10-16
北京路桥方舟交通科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the road marking paint needs to be laid in multiple layers during laying, and the construction is relatively cumbersome.

Method used

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  • Hot melting reflective type road reticule coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Preparation of modified rosin-alkyd resin: Add 10Kg of rosin to 1.5Kg of maleic anhydride under nitrogen atmosphere and temperature of 150°C, heat up to 200°C for 1.5 hours, add 1.9Kg of glycerin, and then heat up to 275°C ℃ heat preservation reaction for 7 hours, remove small molecular compounds, and obtain modified rosin resin; 22.5Kg of methyl diphenyl glycolate and 7Kg of glycerin are transesterified to obtain monoglyceride, monoglyceride and phthalic anhydride 43Kg in The temperature is 222°C and the polyesterification reaction occurs for 0.75 hours in the presence of lithium hydroxide to obtain alkyd resin oligomers; the modified rosin resin and alkyd resin oligomers with a weight ratio of 4:1.1-1.3 are obtained at temperature React at 200°C for 1.5 hours to obtain modified rosin-alkyd resin.

[0032] Preparation of hot-melt reflective road marking paint: modified rosin-alkyd resin 20Kg, EVA resin 10Kg, filler 110Kg (heavy calcium carbonate 55Kg, quartz sand 25Kg,...

Embodiment 2

[0034]Preparation of modified rosin-alkyd resin: 10Kg of rosin was added to 1.6Kg of maleic anhydride under the conditions of nitrogen atmosphere and temperature of 155°C, the temperature was raised to 203°C for 1.25 hours, and 2.0Kg of glycerin was added, and then the temperature was raised to 270°C ℃ heat preservation reaction for 8 hours, remove small molecular compounds, and obtain modified rosin resin; 23Kg of methyl diphenyl glycolate and 6Kg of glycerin are transesterified to obtain monoglyceride, monoglyceride and phthalic anhydride 42Kg at temperature Under the conditions of 220°C and the presence of lithium hydroxide, a polyesterification reaction takes place for 1 hour to obtain an alkyd resin oligomer; a modified rosin resin and an alkyd resin oligomer with a weight ratio of 4:1.1-1.3 can be obtained at a temperature of React at 205°C for 1.25 hours to obtain a modified rosin-alkyd resin.

[0035] Preparation of hot-melt reflective road marking paint: modified rosi...

Embodiment 3

[0037] Preparation of modified rosin-alkyd resin: Add 10Kg of rosin to 1.7Kg of maleic anhydride under nitrogen atmosphere and temperature of 153°C, heat up to 205°C for 1 hour, add 1.8Kg of glycerin, and then heat up to 272°C ℃ heat preservation reaction for 7.5 hours to remove small molecular compounds to obtain modified rosin resin; 22Kg of methyl diphenyl glycolate and 6.5Kg of glycerin were transesterified to obtain monoglyceride, monoglyceride and phthalic anhydride 44Kg in The temperature is 225°C and the polyesterification reaction occurs for 0.5 hours in the presence of lithium hydroxide to obtain an alkyd resin oligomer; the modified rosin resin and alkyd resin oligomer with a weight ratio of 4:1.1-1.3 React at 210°C for 1 hour to obtain modified rosin-alkyd resin.

[0038] Preparation of hot-melt reflective road marking paint: modified rosin-alkyd resin 25Kg, EVA resin 5Kg, filler 120Kg (heavy calcium carbonate 65Kg, quartz sand 30Kg, talcum powder 25Kg), titanium d...

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Abstract

The invention relates to hot melting reflective type road reticule coating and belongs to the technical field of road reticule coating. The hot melting reflective type road reticule coating is prepared by mixing the following components in parts by mass: 110 to 120 parts of fillers, 20 to 25 parts of modified rosin-alkyd resin, 5 to 10 parts of EVA resin, 7 to 8 parts of pigment, 2.0 to 2.4 partsof a plasticizer and 40 to 50 parts of glass microbead. The hot melting reflective type road reticule coating provided by the invention is simple and convenient to construct, only needs to be paved with one layer, and has a remarkable anti-cracking property, wear resistance, corrosion resistance, anti-fouling property and insusceptibility to fall off.

Description

technical field [0001] The invention relates to the technical field of road marking paint, more specifically, it relates to a hot-melt reflective road marking paint. Background technique [0002] Reflective road markings are important to assist vehicles in driving. At night, the centerline prevents collisions when approaching vehicles, the lane dividers guide vehicles to travel efficiently within the lane, and during the day, vehicles travel more safely and quickly. [0003] According to the type of paint used, road markings are divided into: normal temperature solvent type, heating solvent type, and hot melt type marking. Hot-melt road marking paint was first successfully developed in Europe in the mid-1950s, and my country began to use it after the 1990s. The biggest feature of reflective hot-melt marking is that the thickness of the coating is about 1.5-2.5mm, which is 10 times that of solvent-based marking at room temperature, and has good wear resistance; the hot-melt...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D123/08C09D5/33C09D5/08C09D5/16C09D7/61
CPCC08K2003/265C09D5/004C09D5/08C09D5/1687C09D167/08C08L23/0853C08K13/04C08K3/26C08K3/36C08K3/34C08K5/12C08K7/20
Inventor 殷德育
Owner 北京路桥方舟交通科技发展有限公司
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