A kind of water-based inorganic nano-ceramic coating for interior decoration of rail transit carriage and preparation method thereof

An inorganic nanometer and rail transportation technology, applied in the field of coatings, can solve the problems of wear resistance, fire retardant and insufficient hardness, and achieve the effect of high stain resistance, graffiti resistance and high crosslinking density

Active Publication Date: 2021-05-28
CHANGSHA HUANGMEI PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The coating prepared by the present invention has functions such as self-cleaning, sterilization, and air purification, but its performance in terms of wear resistance, fire resistance, and hardness is insufficient

Method used

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  • A kind of water-based inorganic nano-ceramic coating for interior decoration of rail transit carriage and preparation method thereof
  • A kind of water-based inorganic nano-ceramic coating for interior decoration of rail transit carriage and preparation method thereof
  • A kind of water-based inorganic nano-ceramic coating for interior decoration of rail transit carriage and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~6

[0048] For the convenience of expression, the following three tables are used to express the proportioning and product performance of the 6 embodiments, which are respectively the raw material components and mass percentage tables of the water-based inorganic nano-ceramic coating for rail transit car interior decoration of 1 to 6 embodiments; Component and mass percentage table of water-based inorganic nano-ceramic resin; product performance index table of water-based inorganic nano-ceramic coating for rail transit car interior.

[0049] Table 1: The raw material components and mass percentages of water-based inorganic nano-ceramic coatings for rail transit interiors are:

[0050]

[0051] Table 2: The components and weight proportions of the water-based inorganic nano-ceramic resin are respectively:

[0052]

[0053] Table 3: The performance index table of the water-based inorganic nano-ceramic coating product of the rail transit car interior trim obtained in the above-...

Embodiment 7

[0055] Embodiment 7: a kind of water-based inorganic nano-ceramic coating for rail transit compartment interior, its preparation method is:

[0056] Step 1: Mix one or several silanes from Examples 1 to 6 with cationic surfactants and nonionic surfactants according to the ratio in Table 2 until the cationic surfactants and nonionic surfactants are completely and uniformly dispersed In the silane system, a translucent silane mixed liquid is formed;

[0057] The second step: Add the silane mixed liquid prepared in the first step to the mixed solution of silica sol and water dropwise according to the ratio in Table 2. The titration time is 30 minutes, and then the temperature is raised slowly, and the reaction temperature is kept at 35-75 Between ℃, stir and react at constant temperature for 0.5 to 8 hours, stop stirring, then add metered water, lower the temperature and cool down, and obtain water-based inorganic nano-ceramic resin;

[0058] The third step: mix the water-based ...

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Abstract

The invention relates to the technical field of coatings, in particular to a water-based inorganic nano-ceramic coating for interior decoration of rail transit carriages and a preparation method thereof. The inorganic nano-ceramic coating is composed of silica sol, silane, cationic surfactant, nonionic surfactant, pigment , filler, wetting agent, defoaming agent, non-stick leveling agent, thickener and water, preparation method: firstly, by mixing silica sol, silane, cationic surfactant, nonionic surfactant and water according to specific formula Prepare inorganic nano-ceramic resin by mixing, stirring, heating and cooling, and then mix the prepared water-based inorganic nano-ceramic resin with pigments and fillers, disperse and grind, and finally add additives and water to stir to make rail transit Water-based inorganic nano-ceramic coating for interior trim. The preparation method of the present invention is simple in configuration, and the prepared coating product has the characteristics of high hardness, wear resistance, scratch resistance, fire resistance, stain resistance, graffiti resistance and smokeless and tasteless under high temperature.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based inorganic nano-ceramic coating for interior decoration of rail transit carriages and a preparation method thereof. Background technique [0002] In the past, the selection of rail transit vehicle interior materials was only to meet the general use functions, and only to verify the general flammability. In recent years, countries around the world have adopted stricter standards for rail transit interior materials, and have set requirements for smoke density and smoke poisonous gas. . For example, France, Germany, and the United Kingdom have all formulated fire protection standards for railway vehicles. After the Daegu subway disaster, South Korea promulgated the "Order for Revision of Urban Rail Vehicle Safety Regulations", which clearly requires that the materials used in vehicles must be fireproof even in the event of a fire. Inhibition of flame spread, smoke den...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D183/04C09D183/07C09D183/06C09D5/18C09D5/16
CPCC08G77/04C08G77/20C09D1/00C09D4/00C09D5/1675C09D5/18C09D183/04C09D183/06
Inventor 宋海兵
Owner CHANGSHA HUANGMEI PAINT
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