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A kind of preparation method of water-based anti-corrosion and fire-proof integrated coating

A coating and water-based technology, applied in the field of preparation of water-based anti-corrosion and fire-proof integrated coatings, can solve problems such as the reduction of heat transfer rate, and achieve the effects of reducing heat transfer rate, avoiding multiple brushing, and delaying the speed.

Active Publication Date: 2020-09-11
辽宁麦琪新材料集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rate of heat transfer is greatly reduced

Method used

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  • A kind of preparation method of water-based anti-corrosion and fire-proof integrated coating
  • A kind of preparation method of water-based anti-corrosion and fire-proof integrated coating
  • A kind of preparation method of water-based anti-corrosion and fire-proof integrated coating

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preparation example Construction

[0031] A method for preparing a water-based anti-corrosion and fire-proof integrated coating, the coating is composed of a water-based fluorine-containing acrylic resin and a modified water-based epoxy resin, which includes the following preparation steps:

[0032] a. Weigh 500ml of deionized water, put it into a heating pot, heat to 100°C and boil for 3-5 times, put the boiled deionized water beaker into a water bath at 50-70°C for later use, and weigh 3-5g Magnesium nitrate and 3-5g of aluminum nitrate are put into a beaker, pour 30-60ml of boiled deionized water, and mechanically stir with a stirring speed of 100-200r / min and a stirring time of 5-10min. Add the mixed solution into constant pressure funnel A. Weigh 2-5g of sodium hydroxide and 5-10g of sodium tripolyphosphate into a beaker, and weigh 30-60ml of boiled deionized water. Use a disperser to stir the solution evenly, the dispersion speed is 20000-30000 / min, and the dispersion time is 5-10min. The resulting solu...

Embodiment 1

[0048] (1) Preparation of tripolyphosphate pillared hydrotalcite:

[0049] Weigh 500ml of deionized water and put it into a heating pot, heat to 100°C and boil for 3 times, put the beaker containing boiled deionized water into a water bath at 60°C for later use, weigh 3g of magnesium nitrate and 3g of aluminum nitrate into Pour 50ml of boiled deionized water into the beaker, and use mechanical stirring at a stirring speed of 100r / min for 5min. Add the mixed solution into constant pressure funnel A. Weigh 3 sodium hydroxide and 8 g sodium tripolyphosphate and pour them into a beaker, and weigh 50 ml boiled deionized water. Use a disperser to stir the solution evenly, the dispersion speed is 30000 / min, and the dispersion time is 10 minutes. The resulting solution was added to constant pressure funnel B. Insert funnels A and B into the flasks, respectively. Add 80ml of boiled deionized water to the flask, put the flask into a water bath at 60°C, under the protection of a nitr...

Embodiment 2

[0055] (1) Preparation of modified waterborne epoxy resin:

[0056] Weigh 500ml of deionized water and put it into a heating pot, heat to 100°C and boil for 3 times, put the beaker containing boiled deionized water into a water bath at 60°C for later use, weigh 3g of magnesium nitrate and 3g of aluminum nitrate into Pour 50ml of boiled deionized water into the beaker, and use mechanical stirring at a stirring speed of 100r / min for 5min. Add the mixed solution into constant pressure funnel A. Weigh 3 sodium hydroxide and 8 g sodium tripolyphosphate and pour them into a beaker, and weigh 50 ml boiled deionized water. Use a disperser to stir the solution evenly, the dispersion speed is 30000 / min, and the dispersion time is 10min. The resulting solution was added to constant pressure funnel B. Insert funnels A and B into the flasks, respectively. Add 80ml of boiled deionized water to the flask, put the flask into a water bath at 60°C, under the protection of a nitrogen atmosph...

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Abstract

A preparation method of a water-based anti-corrosion and fire-proof integrated coating relates to a preparation method of an architectural coating. After the tripolyphosphate pillared hydrotalcite (SLDHs) is filled with a water-based epoxy resin, it is physically co-coated with a water-based fluorine-containing acrylic resin. mixed to obtain a water-based anti-corrosion and fire-proof integrated coating. Using self-layering technology, using the low surface energy of fluorine-containing acrylic resin, the fluorine-containing acrylic resin is distributed in the upper layer to provide anti-corrosion performance, and the better wettability of water-based epoxy resin is used to distribute it in the lower layer of the coating. Pillared hydrotalcite filled with epoxy resin provides both flame retardancy and corrosion resistance. Epoxy cures acrylic and provides interlayer bonding. The coating system avoids multiple brushings to achieve the common performance of anti-corrosion and fire-proof, and at the same time avoids the damage of the anti-corrosion performance of the coating by adding a large number of flame retardants, and realizes the integration of anti-corrosion and fire protection of the coating.

Description

technical field [0001] The invention relates to a preparation method of architectural paint, in particular to a preparation method of a water-based anticorrosion and fireproof integrated paint. Background technique [0002] In the application of architectural metal structures, the two aspects of metal corrosion and fire protection are equally important. Therefore, in some large-scale steel structure buildings, the construction technology of fire-proof coating and anti-corrosion coating is usually used to protect the metal structure by painting multi-layer coatings, so that it can achieve the effect of fire prevention and corrosion resistance. [0003] Of course, the technical method of "multi-layer coating matching" is often used at present, that is, a layer of anti-corrosion primer is applied on the surface of the metal structure, and then a layer of fire-resistant paint is applied to protect the metal structure. The scheme has many advantages, but also has some disadvanta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D133/04C09D5/08C09D5/18C09D7/20
CPCC08L2205/05C09D5/08C09D5/18C09D7/20C09D163/00C08L33/04C08K3/32
Inventor 王娜刁鑫林张静亢萍陈晓东姜文凯郭净豪
Owner 辽宁麦琪新材料集团有限公司
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