Preparation method of wear-resistant light-reflective road-marking coating for cement road

A technology for marking paints and roads, applied in the field of preparation of road marking paints, can solve the problems of poor wear resistance and high cost, achieve good suspension, convenient and simple construction, and improve affinity

Inactive Publication Date: 2014-12-24
JIANGSU WUXI TRAFFIC FACILITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention with the patent No. CN02131651.7 discloses a water-based road marking reflective paint and its preparation method. However, it uses a titanate and silane composite coupling agent, and the cost is relatively high, and it only relies on titanium dioxide, heavy Calcium carbonate and light calcium carbonate are used as fillers. Practice shows that their wear resistance is not ideal and needs to be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for preparing a wear-resistant reflective marking paint for cement roads. The paint is composed of the following components in weight percentage: 22% sodium silicate, 5% sodium fluorosilicate, 8% zinc oxide, water-soluble acrylic acid Resin 8%, silane 1.2%, sodium hexametaphosphate 0.7%, polyacrylic acid sodium salt 2%, alcohol ester twelve 7%, rutile titanium dioxide 4%, talcum powder 12%, heavy calcium carbonate 4%, attapulgite 14%, 0.05% simethicone oil, 1% ethylene glycol, 3.5% glass beads, 0.2% carboxymethyl cellulose, and water as the balance, among which the particle size of rutile titanium dioxide and talcum powder is 300-400 mesh, weight The particle size of calcium carbonate is 200~300 orders, and the particle size of attapulgite is 240~320 orders; The preparation method is carried out as follows:

[0026] (1) Weigh the ingredients according to the above percentages;

[0027] (2) Put sodium silicate into the reaction kettle, add water and stir to dil...

Embodiment 2

[0032] A method for preparing a wear-resistant reflective marking paint for cement roads. The paint is composed of the following components in weight percentage: 28% sodium silicate, 3% sodium fluorosilicate, 10% zinc oxide, water-soluble acrylic acid Resin 6%, silane 1.8%, sodium hexametaphosphate 0.2%, polyacrylic acid sodium salt 3%, alcohol ester twelve 1.5%, rutile titanium dioxide 7%, talcum powder 8%, heavy calcium carbonate 6%, attapulgite 12%, 0.1% simethicone oil, 0.6% ethylene glycol, 5.5% glass beads, 0.1% carboxymethyl cellulose, and water as the balance, among which the particle size of rutile titanium dioxide and talcum powder is 300-400 mesh, weight The particle size of calcium carbonate is 200~300 orders, and the particle size of attapulgite is 240~320 orders; The preparation method is carried out as follows:

[0033] (1) Weigh the ingredients according to the above percentages;

[0034] (2) Put sodium silicate into the reaction kettle, add water and stir to ...

Embodiment 3

[0039]A method for preparing a wear-resistant reflective marking paint for cement roads. The paint is composed of the following components in weight percentage: 25% sodium silicate, 4% sodium fluorosilicate, 9% zinc oxide, water-soluble acrylic acid Resin 7%, silane 1.6%, sodium hexametaphosphate 0.5%, polyacrylic acid sodium salt 2.5%, alcohol ester twelve 4%, rutile titanium dioxide 5.5%, talcum powder 10%, heavy calcium carbonate 5%, attapulgite 13%, 0.07% dimethyl silicone oil, 0.8% ethylene glycol, 4.5% glass microspheres, 0.15% carboxymethyl cellulose, and water as the balance, among which the particle size of rutile titanium dioxide and talcum powder is 300-400 mesh, weight The particle size of calcium carbonate is 200~300 orders, and the particle size of attapulgite is 240~320 orders; The preparation method is carried out as follows:

[0040] (1) Weigh the ingredients according to the above percentages;

[0041] (2) Put sodium silicate into the reaction kettle, add wa...

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Abstract

The invention discloses a preparation method of a wear-resistant light-reflective road-marking coating for a cement road. The preparation method is operated according to the following steps: (1) weighing and batching in percentage terms; (2) pouring sodium silicate into a reaction vessel, adding water, stirring and diluting until relative density reaches 1.36-1.40, blowing steam into a jacket, heating to make the temperature of a liquid rise to 90 DEG C +/- 5 DEG C, slowly adding a sodium silicate solution diluted with water under the condition of rapid stirring within 2 hours, adding zinc oxide, continuously reacting for 2 hours, and cooling to 50 DEG C +/- 5 DEG C; (3) adding water-soluble acrylic resin and silane under the condition of stirring, continuously reacting for 20-30 min, and adding alcohol ester-12; (4) adding sodium hexametaphosphate and sodium polyacrylate under the condition of stirring, uniformly mixing, adding rutile titania, talcum powder, attapulgite clay and heavy calcium carbonate successively, and dispersing for 20-30 min; and (5) adding carboxymethyl cellulose, glycol, glass beads and dimethicone under the condition of stirring, and uniformly mixing to prepare a finished product.

Description

technical field [0001] The invention relates to the technical field of traffic facilities, in particular to a preparation method of road marking paint. Background technique [0002] At present, road marking coatings are divided into two types: solvent-based and hot-melt. Solvent type has a large amount of organic solvent volatilization during use, pollutes the environment, affects personal health, and has low strength, is not wear-resistant, and has a short service life. The hot-melt type has the characteristics of strong adhesion, quick drying, wear resistance, long life, and good day and night visibility, and has been widely used abroad. There are also achievements in China in recent years, as shown in the patent No. 88105009.1. However, due to the poor quality of domestic petroleum resin, titanium dioxide and other main raw materials, most of the production plants use imported raw materials, and the price is relatively high. Moreover, imported equipment is required, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/26
Inventor 席珉瑜
Owner JIANGSU WUXI TRAFFIC FACILITIES
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