Waterborne ultrathin steel structure fireproof coating material and preparation method thereof

A fire-resistant coating, ultra-thin technology, applied in the direction of fire-resistant coatings, coatings, etc., can solve the problems of damage to the health of construction workers, poor water resistance of coatings, environmental pollution, etc., to overcome easy cracking, excellent water resistance, foaming Excellent effect

Active Publication Date: 2017-08-22
NANJING CHANGJIANG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solvent-based products contain organic solvents, which will volatilize into the atmosphere during construction, causing environmental pollution and damaging the health of construction workers
However, the water-based ultra-thin steel structure fireproof coatings that are actually applied in the market still have problems such as poor water resistance and easy cracking.

Method used

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  • Waterborne ultrathin steel structure fireproof coating material and preparation method thereof
  • Waterborne ultrathin steel structure fireproof coating material and preparation method thereof
  • Waterborne ultrathin steel structure fireproof coating material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Modified tertiary vinegar emulsion 175g, MF modified ammonium polyphosphate 200g, pentaerythritol 105g, melamine 95g, defoamer TEGO Airex 902W 2g, thickener 5g, pH regulator 5g, film-forming aid alcohol ester-12 10g, Dispersant 4g, preservative 2g, sericite 20g, talcum powder 40g, titanium dioxide 70g, water 270g.

[0039] Preparation process: fully mix 2g of dispersant, 1g of defoamer, pentaerythritol, and water in the batching tank; pump the mixed materials into a sand mill, and disperse them by high-speed sand milling to make a pentaerythritol skeleton slurry of 110-130 μm; Then add MF modified ammonium polyphosphate, melamine, 2g of dispersant, thickener, titanium dioxide, sericite, talcum powder, and pH regulator into the pentaerythritol skeleton slurry, mix well, and pump it into the sand mill for high-speed sand grinding and dispersion , to make a slurry of 110-130 μm; put the slurry into the paint mixing tank, add film-forming aids at a speed of 400r / min and sti...

Embodiment 2

[0045] Modified tertiary vinegar emulsion 180g, MF modified ammonium polyphosphate 220g, pentaerythritol 110g, melamine 100g, defoamer TEGO Airex 901W 3g, thickener 4g, pH regulator 2g, film-forming aid alcohol ester-12 10g, Dispersant 3g, preservative 2g, sericite 10g, talcum powder 20g, titanium dioxide 40g, water 296g.

[0046] Preparation process: fully mix 1.5g of dispersant, 1.5g of defoamer, pentaerythritol, and water in the batching tank; pump the mixed material into a sand mill, and disperse it by high-speed sand milling to make a pentaerythritol skeleton of 110-130 μm Then add MF modified ammonium polyphosphate, melamine, dispersant 1.5g, thickener, titanium dioxide, sericite, talcum powder, and pH regulator into the pentaerythritol skeleton slurry, mix evenly, and pump it into a sand mill for high-speed Sand mill and disperse to make a slurry of 110-130μm; put the slurry into the paint mixing tank, add film-forming aids at a speed of 400r / min and stir evenly, then a...

Embodiment 3

[0052] 220g modified tertiary vinegar emulsion, 200g MF modified ammonium polyphosphate, 100g pentaerythritol, 90g melamine, 2g defoamer TEGO Foamex 810, 4g thickener, 3g pH regulator, 12g film-forming aid, 4g dispersant, Preservative 2g, sericite 15g, talcum powder 25g, titanium dioxide 50g, water 272g.

[0053] Preparation process: fully mix 2g of dispersant, 1g of defoamer, pentaerythritol, and water in the batching tank; pump the mixed materials into a sand mill, and disperse them by high-speed sand milling to make a pentaerythritol skeleton slurry of 110-130 μm; Then add MF modified ammonium polyphosphate, melamine, 2g of dispersant, thickener, titanium dioxide, sericite, talcum powder, and pH regulator into the pentaerythritol skeleton slurry, mix well, and pump it into the sand mill for high-speed sand grinding and dispersion , to make a slurry of 110-130 μm; put the slurry into the paint mixing tank, add film-forming aids at a speed of 450r / min and stir evenly, then ad...

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Abstract

The invention discloses a waterborne ultrathin steel structure fireproof coating material, prepared from the following components in percentage by weight: 17 to 23.5 percent of vac-veova emulsion, 18 to 25 percent of MF resin modified ammonium polyphosphate, 7 to 12 percent of tripolycyanamide, 7.5 to 12.5 percent of pentaerythritol, 0.8 to 1.5 percent of coalescing agent, 0.20 to 0.50 percent of defoamer, 0.30 to 0.60 percent of dispersant, 0.10 to 0.30 percent of preservative, 0.2 to 0.8 percent of thickener, 4 to 8 percent of titanium dioxide, 2 to 6 percent of inorganic filler, 0.15 to 0.30 percent of pH regulator and the balance of water. The coating material is proper in fire resistance, and has outstanding water resistance and good cracking resistance; a prepared coating layer is stable in physical and mechanical properties, outstanding in cracking resistance and water resistance and excellent in fire resistance, and when the coating layer thickness is 1.8mm, the fire-resistant time is 90min or longer.

Description

technical field [0001] The invention relates to the technical field of water-based coatings, in particular to a water-based ultra-thin fireproof coating for steel structures and a preparation method thereof. Background technique [0002] As the main form of modern architecture, steel structure has been widely used because of its light weight, high strength, good seismic performance, short construction period, high degree of industrialization of buildings, large space utilization rate, and investment saving. It is widely used in airports, stations, It is widely used in production plants, bridges, exhibition venues, stadiums, large shopping malls, high-end hotels, offshore platforms, hydraulic engineering, petrochemical and other buildings. In seismically active areas or surrounding areas after earthquakes, steel structures have excellent seismic performance and high strength. It is especially suitable for post-disaster building reconstruction, national defense and civil recon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D7/12C09D5/18C08F218/08C08F8/42
CPCC08F8/42C08K2003/323C08K2201/014C08L2201/02C09D5/18C09D7/61C09D7/63C09D7/70C09D131/04C08L71/00C08K13/06C08K9/08C08K3/32C08K3/34C08K5/053C08F218/08
Inventor 王同赛陈以满张卫中
Owner NANJING CHANGJIANG PAINT
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