Hydrocarbon fire resistant ultrathin expanded fireproof coating and preparation method thereof

A fire retardant coating, intumescent technology, used in fire retardant coatings, antifouling/underwater coatings, epoxy resin coatings, etc. problems, to achieve the effect of saving coating energy, low construction cost and excellent fire protection effect

Inactive Publication Date: 2011-04-20
应急管理部四川消防研究所
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  • Claims
  • Application Information

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Problems solved by technology

However, the two-component coating has high solid content, high viscosity, difficult two-component on-site blending, poor coating leveling, and poor wettability with metal surfaces, resulting in poor coating properties, difficult construction, difficult quality control, and low fire resistance. high

Method used

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  • Hydrocarbon fire resistant ultrathin expanded fireproof coating and preparation method thereof
  • Hydrocarbon fire resistant ultrathin expanded fireproof coating and preparation method thereof

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Experimental program
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Embodiment Construction

[0019]

[0020] The preparation method is to first crush the epoxy resin and the modified resin to 35 μm, add the remaining components and mix them evenly, and extrude them with an extruder (extrusion temperature 95°C, speed 300rpm), and the obtained extruded sheets are cooled to room temperature , pulverized, and crossed a 40-mesh sieve to obtain the fireproof coating of the present invention.

[0021] Apply electrostatic spraying on the preheated test panel, the baking temperature of the coating film is 130°C, the baking time is 10min, and the coating thickness is controlled at 3mm. The test plate was tested after being placed in a constant temperature and humidity chamber for 24 hours. Its performance indicators are shown in Table 1.

[0022] Table 1: Example performance index table

[0023]

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PUM

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Abstract

The invention provides a hydrocarbon fire resistant ultrathin expanded fireproof coating and a preparation method thereof. The coating comprises the following components in part by weight: 10 to 30 parts of epoxy resin, 1 to 4 parts of modified curing agent, 5 to 20 parts of modified resin, 2 to 8 parts of rheological agent, 10 to 35 parts of catalyst, 10 to 25 parts of carbon forming agent, 0 to 11 parts of foaming agent, 5 to 10 parts of fluxing agent, 3 to 10 parts of pigment and filler, and 2 to 5 parts of antibacterial bactericide. The method comprises the following steps of: mixing the crushed resin and other components uniformly, extruding the mixture at the temperature of 95 DEG C at the rotational speed of 300 revolutions per minute, crushing the extruded product, and sieving the powder with a sieve of 40 meshes to obtain the coating. The coating has low curing temperature, high hydrocarbon fire resistant limit, good bonding force and high strength, can tolerate high and low-temperature circulating influence, has air purification and sterilization functions, and is convenient for construction; and the preparation method is simple, and has low energy consumption. The coating is particularly suitable for fire protection of steel, aluminum and other materials of the indoor and outdoor petrochemical industry with hydrocarbon fire risks.

Description

technical field [0001] The invention relates to a fireproof coating and a preparation method thereof, in particular to a hydrocarbon fire-resistant ultra-thin expansion type fireproof coating and a preparation method thereof. Background technique [0002] In recent years, with the development of my country's petroleum industry and the acceleration of offshore oil exploitation, the fire protection of steel structures in the petrochemical industry has become increasingly prominent. Most of the fires in petrochemical enterprises are typical hydrocarbon fires. Hydrocarbon fires generally heat up faster and have more violent flames than cellulose fires. In hydrocarbon fires, the effectiveness of conventional fire retardant coatings designed for cellulose fires can only reach about 60% in hydrocarbon fires, and when hydrocarbon fires occur, explosions are often accompanied, so expansion is required Type 2 fire retardant coatings must remain well adhered to the substrate during an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D115/02C09D127/06C09D5/18C09D5/14C09D7/12
Inventor 张泽江覃文清梅秀娟李风
Owner 应急管理部四川消防研究所
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