Outdoor used ultra-thin formed steel construction fire retardant coating and preparation method thereof
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A technology for fire retardant coatings and steel structures, applied in the direction of fire retardant coatings, coatings, etc., can solve the problems of loss of fire protection, easy cracking of coatings, unsuitable use, etc. Effect
Inactive Publication Date: 2011-06-15
YUNNAN CONSTR INVESTMENT HLDG GRP CO LTD +2
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[0007] Ultra-thin steel structure fire retardant coatings are generally organic systems. Most of the ultra-thin steel structure fire retardant coatings currently on the market have relatively poor weather resistance, and the coating is prone to cracking, peeling or organic components in environments with large temperature differences. It degrades under the action of ultraviolet rays in sunlight and loses its fire protection, so it is not suitable for use in outdoor environments
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[0018] Preparation method step of the present invention is as follows:
[0019] (1) Mix the ingredients of amino resin, acrylic resin, and chloroether resin according to the unit mass ratio, and place them in a stirrer to stir evenly for 0.5-1 hour to obtain a combined modified base material;
[0020] (2) Photosensitized titanium dioxide is obtained by weighing anatase titanium dioxide according to the unit mass ratio, adding 1 / 10,000 to 10 / 10,000 photosensitizing dye, and stirring evenly in a stirrer for 1 to 5 hours;
[0021] (3) Mix the obtained modified base material, photosensitized titanium dioxide and pentaerythritol, ammonium polyphosphate, melamine phosphate, urea, glycine, wollastonite powder, high silica cotton and dispersant weighed according to the unit mass ratio, Place in a stirrer and stir evenly for 1 to 2 hours to obtain intermediate raw materials;
[0022] (4) After grinding the intermediate raw materials in a grinder for 2-3 hours, add No. 200 gasoline as ...
Embodiment
[0024] Raw material formula:
[0025]
[0026] Preparation:
[0027] (1) Preparation of raw materials. According to the mass ratio, amino resin, acrylic resin, and chloroether resin were mixed, placed in a stirrer and stirred evenly for 0.5 to 1 hour to obtain a combined modified base material; polypyridine ruthenium carboxylate, placed in a stirrer and stirred uniformly for 1-5 hours to obtain photosensitized titanium dioxide.
[0028] (2) Mixing of raw materials. Mix the obtained modified base material, photosensitized titanium dioxide and pentaerythritol, ammonium polyphosphate, melamine phosphate, urea, glycine, wollastonite powder, high silica cotton and dispersant weighed according to the mass ratio, and place in a stirrer Stir evenly in medium for 1-2 hours to obtain intermediate raw materials.
[0029] (3) Processing and grinding. Put the intermediate raw material in a grinder and grind it for 2-3 hours to obtain the grinding material.
[0030] (4) Viscosity a...
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Abstract
The invention relates to an outdoor used ultra-thin formed steel construction fire retardant coating and a preparation method thereof; the coating is formed by mixing amino resin, acrylic resin, chlorinated polyether resin, pentaerythritol, ammonium polyphosphate, melamine phosphate, urea, glycine, photosensitization titanium dioxide, wollastonite powder, high silica cotton, dispersing agent and No. 200 gasoline; the preparation method is as follows: blending and stirring amino resin, acrylic resin and chlorinated polyether resin to obtain a jogged modified base stock; weighing anatase type titanium dioxide according to the unit mass and adding one of ten thousand to ten of ten thousand of photosensitization dye, and stirring to obtain the photosensitization titanium dioxide; blending themodified base stock, photosensitization titanium dioxide, and pentaerythritol, ammonium polyphosphate, melamine phosphate, urea, glycine,, wollastonite powder, high silica cotton, dispersing agent which are mixed according to the unit mass, and stirring to obtain the middle raw material; grinding the middle raw material, adding No. 200 gasoline to be used as solvent and continuously ground; regulating the viscosity, filtering and sealing after canning. The outdoor used ultra-thin formed steel construction fire retardant coating has the remarkable advantages that the fire retardant coating does not easily craze and fall off in the situation that the environment temperature different changes significantly, and the organic matter of the fire retardant coating is not easily degraded under theaction of ultraviolet rays.
Description
technical field [0001] The invention relates to the technical field of steel structure fireproof coating formula and preparation method. Background technique [0002] In construction engineering, due to the high heat conduction of steel, the strength of steel structures will quickly decrease in the high-temperature environment of fire, and the creep will increase, resulting in plastic deformation, local damage, and loss of supporting capacity, resulting in structural collapse or instability. Therefore, it is extremely important to carry out fire protection treatment on steel components. [0003] In the past, the fire prevention measures for steel components generally included: pouring concrete shells, setting firebrick barriers, wrapping and covering with non-combustible materials such as silicon-calcium boards, or using hollow pipes to fill water for cooling. With the development of technology today, it has become a trend to use fire-resistant coatings for fire-resistant s...
Claims
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