Waterborne smokeless and odorless inorganic nano-ceramic fireproof coating and preparation method thereof

A technology of inorganic nano and fire-resistant coatings, applied in the direction of fire-resistant coatings, coatings, etc., can solve the problems of escape and rescue threats, coatings that cannot be smokeless and tasteless, and lose fire protection functions

Active Publication Date: 2019-01-25
CHANGSHA HUANGMEI PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of fireproof coating with organic resin as film former and binder has certain fireproof performance. At the same time, it has good technical indicators such as water resistance, corrosion resistance, adhesion and decoration, but it has a common defect: due to The main film-forming substances and binders of this kind of fire retardant coatings are organic substances, which are more or less flammable at high temperatures. Once a fire occurs, these organic resins will burn and produce a large amount of toxic gases, which will endanger escape and safety. At the same time, with the burning of film-forming materials, the fire resistance of fire-resistant coatings will be greatly reduced; inorganic binders include: silicates, phosphates, phthalates, aluminates and some special cements, This kind of fireproof coating with inorganic substances as film formers and binders has excellent fire resistance, but its water resistance, adhesion, de

Method used

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  • Waterborne smokeless and odorless inorganic nano-ceramic fireproof coating and preparation method thereof
  • Waterborne smokeless and odorless inorganic nano-ceramic fireproof coating and preparation method thereof
  • Waterborne smokeless and odorless inorganic nano-ceramic fireproof coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1－6

[0040] For the convenience of expression, use the following four tables to express the proportioning and product performance of the 6 embodiments, which are respectively Table 1, a water-based smokeless and tasteless inorganic nano-ceramic fireproof coating raw material mass percentage table; Table 2 A component raw material mass percentage Table; Table 3 water-based inorganic nano-ceramic emulsion by components and weight ratio table respectively; Table 4: the water-based smokeless and odorless inorganic nano-ceramic fireproof coating product performance index table obtained in the above-mentioned Examples 1-6.

[0041] Table 1, a kind of water-based smokeless and tasteless inorganic nano-ceramic fireproof coating raw material component mass percent table:

[0042]

[0043] Table 2: Table of mass percentage of raw materials of component A:

[0044]

[0045] Table 3, water-based inorganic nano-ceramic emulsion is shown respectively by component and weight ratio:

[0046...

Embodiment 7

[0052] The preparation method of the water-based smokeless and odorless inorganic nano-ceramic fireproof coating is as follows: proportioning according to the content of the components in Examples 1-6,

[0053]The first step is to prepare inorganic nano-ceramic emulsion: first mix one or several silanes, after mixing evenly, add surfactant and stir evenly, then start to add dropwise to the silica sol that has been weighed and fed in advance, within 30 minutes After the internal dripping is completed, then start to heat up, keep the reaction temperature at 35-80 degrees, and react at constant temperature for 2-5 hours, then add metered water, stop heating, lower the temperature and cool down, and the inorganic nano-ceramic with the appearance of semi-milky white transparent viscous liquid can be obtained Lotion;

[0054] The second step is to mix the inorganic nano-ceramic emulsion prepared in the first step with pigments and fillers, and use a high-speed disperser for high-spe...

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Abstract

The invention relates to waterborne smokeless and odorless inorganic nano-ceramic fireproof coating. The waterborne smokeless and odorless inorganic nano-ceramic fireproof coating is characterized inthat raw material components comprise a component A and a component B, wherein the content of the components is as follows in percentage by mass: 60 to 80 percent of the component A and 20 to 40 percent of the component B; the component B is a curing agent; the component A is prepared from the following raw materials in percentage by mass: 25 to 80 percent of waterborne inorganic nano-ceramic emulsion, 1 to 20 percent of a pigment, 1 to 30 percent of filling, 0.1 to 0.5 percent of a wetting dispersant, 0.1 to 0.5 percent of a de-foaming agent, 1 to 5 percent of a thickening agent and the balance of water. The waterborne smokeless and odorless inorganic nano-ceramic fireproof coating provided by the invention is not decomposed at high temperature, has no smoke and no odor, and has fireproofand flame-retarding, high-rigidity wear resistance and ultra-weather-resistance performance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a fireproof coating and a preparation method thereof. Background technique [0002] Paint, traditionally called paint in China, is coated on the surface of an object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with the addition of or It is a viscous liquid prepared with organic solvents or water without adding pigments or fillers and adding corresponding additives. Coatings are widely used in people's production and life, and fire retardant coatings are one of them. [0003] There are two main types of film formers and binders for the preparation of fire retardant coatings at home and abroad: organic resins and inorganic binders. Organic resins include styrene-acrylic emulsion, pure acrylic emulsion, silicon-acrylic emulsion, tert-acetic emulsion, vinyl acetate emulsion, o...

Claims

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Application Information

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IPC IPC(8): C09D5/18C09D1/00C09D7/63
CPCC09D1/00C09D5/18C09D7/63
Inventor 宋海兵
Owner CHANGSHA HUANGMEI PAINT
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