Low-toxicity flame-retardant normal-temperature solvent marked line paint and preparation method thereof

Abstract

The invention discloses low-toxicity flame-retardant normal-temperature solvent marked line paint, which is prepared from the following raw materials in parts by weight: 190 to 275 parts of solid resin, 25 to 150 parts of pigments, 225 to 500 parts of filling materials, 27.5 to 39 parts of auxiliary agents, 210 to 425 parts of dimethyl carbonate and / or aromatic hydrocarbon, 10 to 20 parts of acetone, 10 to 20 parts of butyl acetate, 100 to 250 parts of chlorohydrocarbon and 16 to 27 parts of low-level saturated monobasic alcohol. The low-toxicity flame-retardant normal-temperature solvent marked line paint provided by the invention has the advantages that the recipe of the paint is scientific and reasonable; all ingredients are matched in a synergistic way; the excellent performance of a product is improved; the solvent selection toxicity is greatly reduced than that in the prior art; the marked line paint is safer and achieves a better environment-friendly effect. The marked line paint has the advantages that the flammable and explosive features of the existing paint are changed into combustible performance; good flame-retardant effects are achieved; the production process solves the problem of flammable and explosive risk of the normal-temperature solvent marked line paint; the harm of toxic solvents is reduced; the life safety of protection, transportation and construction personnel and relevant personnel in contact with products can be effectively protected.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a low-toxicity flame-retardant normal-temperature solvent marking coating and a preparation method thereof. Background technique [0002] Road marking paint is a paint that is applied on the road to mark road markings. Road marking paint is a safety mark and a "language" in road traffic. Road markings are an important part of traffic facilities. Clear and complete road markings can give drivers and pedestrians a good conditioned reflection, which can effectively reduce accidents and improve driving efficiency. [0003] There are four types of road marking paints used in my country: hot-melt type, two-component type, water-based and normal temperature solvent type. Normal temperature road marking paint is a traditional product of road marking paint in my country. It is favored by users for its advantages of convenient construction and low one-time investment. Howe...

AI Technical Summary

Problems solved by technology

[0004] Production process: In the production process, it is necessary to turn on the sand mill for grinding. The grinding medium and the material rotate at a high speed while forming a large collision and friction with the wall of the mechanical barrel. A slight failure of the feeding pump causes a large amount of gas to be generated when the material is cut off. When there is no material to block the air, the grinding medium collides with the wall of the barrel and sparks are easily generated. As long as sparks are generated, the material will deflagrate. Even if the delivery pump is not faulty, there may be other faults, such as: short circuit of the transmission line, poor contact will also cause sparks, When the spark encounters a certain concentration of volatile solvent, it will deflagrate, posing a great threat to the life safety of operators;

[0005] Transportation process: room temperature solvent coatings are flammable, explosive and dangerous chemicals, which require professional dangerous goods vehicles to transport. The transportation cost is high, the transportation is not timely, and small batch users cannot receive the goods on time;

[0006] Use process: The road construction environment is relatively complicated, and many construction sites are open to traffic. The exhaust pipes of normally transported vehicles do not have fireproof caps. Once the solvent paint comes into contact with the sparks from the exhaust pipes, deflagration will occur. Mechanical failures in normal construction, operators, etc. Any mistake will lead to fire, which seriously threatens the safety of construction workers and surrounding personnel.