Sound-absorbing type tunnel fireproof paint

A technology of fire-resistant coatings and tunnels, applied in fire-resistant coatings, coatings, etc., can solve the problems of complex construction, short fire protection time, long-term coating peeling, etc., and achieve convenient construction, long fire protection time limit, and good adhesion performance Effect

Inactive Publication Date: 2014-03-19
上海世范乐建新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the construction industry and other related industries, various types of fire-resistant coatings have emerged. Although they can achieve fire protection, the products have disadvantages such as complex construction, long-term coating peeling, and short fire protection time, which are related to people's life safety and fire safety. If you can't be a little sloppy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A sound-absorbing tunnel fireproof coating is prepared by mixing the following raw materials according to the weight ratio: 70-78 parts of sulfoaluminate cement, 30-38 parts of AEC expansion cement, 20-30 parts of white blue cement, 30-35 parts of formazan Methyl acrylate, 10-18 parts of vinyl acetate resin emulsion, 12-14 parts of aluminum hydroxide, 4-8 parts of starch, 3-6 parts of ammonium dichromate, 10-18 parts of light calcium carbonate, 10-15 parts Parts of polypropylene staple fiber, 8-10 parts of carboxymethyl cellulose, 10-16 parts of fly ash glass beads, 5-9 parts of kaolin, 5-9 parts of vermiculite, and 5-7 parts of ammonium polyphosphate.

Embodiment 2

[0012] A sound-absorbing tunnel fireproof coating is prepared by mixing the following raw materials according to the weight ratio: 70-78 parts of sulfoaluminate cement, 30-38 parts of AEC expansion cement, 20-30 parts of white blue cement, 30-35 parts of formazan Methyl acrylate, 10-18 parts of vinyl acetate resin emulsion, 12-14 parts of aluminum hydroxide, 4-8 parts of starch, 3-6 parts of ammonium dichromate, 10-18 parts of light calcium carbonate, 10-15 parts Parts of polypropylene staple fiber, 8-10 parts of carboxymethyl cellulose, 10-16 parts of fly ash glass beads, 5-9 parts of kaolin, 5-9 parts of vermiculite, 5-7 parts of ammonium polyphosphate and 5- 7 parts ammonium borate.

Embodiment 3

[0014] The formulations of the above examples are all prepared and constructed according to the following methods: (1) Ingredients, mix the paint and water at a ratio of about 0.7, first add a small amount of water while stirring while adding the paint, and add water in an appropriate amount, and generally stir for 20 minutes to form a thick paste Slurry (2) construction, use a sprayer to spray from the waist of the tunnel from bottom to top, each spraying is 3-7mm thick, and the construction interval is based on the fact that the last paint is basically dry, and so on, until the design thickness is sprayed, After the last spraying, if it needs to be smoothed, use the method of wiping and smoothing.

[0015] The finished products prepared in the above examples can all reach the following technical indicators after testing: 1. Sieve rate ≤ 1.0%; 2. Dry density ≤ 580kg / m 3 ;3. Water resistance: h≥24, the coating will not crack, peel off or fall off; 4. Alkali resistance: h≥24, t...

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Abstract

A sound-absorbing type tunnel fireproof paint is mainly prepared by stirring the following raw materials in parts by weight: 70-78 parts of sulphoaluminate cement, 30-38 parts of AEC expansive cement, 20-30 parts of portland cement, 30-35 parts of methyl methacrylate, 10-18 parts of vinyl acetate resin emulsion, 12-14 parts of aluminium hydroxide, 4-8 parts of starch, 3-6 parts of ammonium bichromate, 10-18 parts of light calcium carbonate, 10-15 parts of polypropylene short fiber, 8-10 parts of carboxymethyl cellulose, 10-16 parts of fly ash glass microsphere, 5-9 parts of kaoline, 5-9 parts of vermiculite and 5-7 parts of ammonium polyphosphate. The product provided by the invention is long in fireproof time, good in adhesive property and convenient to construct, is applicable to various tunnel walls, and has the sound absorbing function based on the fireproof function.

Description

technical field [0001] The invention relates to a sound-absorbing fireproof coating for tunnels, which belongs to the technical field of chemical coatings. technical background [0002] In architecture, the cross-sectional area exceeds 30m 2 The underground artificially constructed passage is defined as a tunnel. Tunnels not only undertake the task of transportation, but also function as channels for optical cables, cables, and even oil and water pipelines. Although the reinforced concrete components used as the main building in the tunnel are non-combustible materials, the tunnel fire has the characteristics of a rapid rise in ambient temperature after combustion, a long duration, a large fire range, and difficulties in fire fighting and entry. In a short period of time after the fire broke out, the local temperature of the fire site in the tunnel will rise rapidly to 1000°C. As the temperature continues to rise, the bound water in the concrete will turn into steam and ex...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D7/12C09D5/18
Inventor 石小强
Owner 上海世范乐建新材料有限公司
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