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Expandable type building fireproof coating and preparation method thereof

An intumescent technology for fire-resistant coatings, applied in fire-resistant coatings, anti-corrosion coatings, anti-fouling/underwater coatings, etc., can solve the problems of poor fire-proof performance, poor anti-ultraviolet effect of fire-proof coatings, and short fire-proof time, and achieve the goal of coating Appearance and weather resistance, improvement of UV resistance, good effect of coating appearance

Inactive Publication Date: 2019-03-22
深圳市欧科力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing intumescent fireproof coatings have the following problems: 1. The fireproof coatings are easily corroded after wind and rain, and the service life is low; 2. Formaldehyde, benzene, nitrogen, and peculiar smells in the air cannot be released 3. The anti-ultraviolet effect of fireproof coatings is relatively poor; 4. Usually a single resin is used as fireproof coatings, and the fireproof performance is relatively poor , the fire protection time is relatively short

Method used

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  • Expandable type building fireproof coating and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0033]An intumescent architectural fireproof coating, the mass percentage of each raw material is 15% base material, 60% flame retardant, 5% auxiliary agent, 10% solvent and 10% filler;

[0034] The mass percentages of each raw material in the base material are respectively 40 parts of unsaturated polyester resin, 10 parts of epoxy resin, 40 parts of modified high-performance high-chlorinated polyethylene resin and 10 parts of modified composite nano-oxide slurry;

[0035] The mass percentages of the raw materials in the flame retardant are 60% ammonium polyphosphate, 10% pentaerythritol and 30% melamine.

[0036] A preparation method of intumescent building fireproof coating, comprising the following steps:

[0037] 1) Preparation of mixed liquid A: weigh the unsaturated polyester resin and add it to the stirred reactor, and then add styrene, methyl ethyl ketone peroxide, cobalt naphthenate and liquid paraffin to the stirred reactor, and stir for 20 minutes -40min, prepare m...

Embodiment 2

[0050] An intumescent architectural fireproof coating, the mass percentage of each raw material is 30% base material, 30% flame retardant, 5% auxiliary agent, 30% solvent and 5% filler;

[0051] The mass percentages of each raw material in the base material are respectively 30 parts of unsaturated polyester resin, 20 parts of epoxy resin, 40 parts of modified high-performance high-chlorinated polyethylene resin and 10 parts of modified composite nano-oxide slurry;

[0052] The mass percentages of the raw materials in the flame retardant are respectively 40% ammonium polyphosphate, 20% pentaerythritol and 40% melamine.

[0053] The preparation method of this a kind of expansive building fireproof coating is identical with embodiment 1;

[0054] The preparation method of described modified high performance high chlorinated polyethylene resin is identical with embodiment 1;

[0055] The preparation method of the modified composite nano-oxide slurry is the same as that in Example...

Embodiment 3

[0057] An intumescent architectural fireproof coating, the mass percentage of each raw material is 28% base material, 56% flame retardant, 1% auxiliary agent, 10% solvent and 5% filler;

[0058] The mass percentages of each raw material in the base material are respectively 55 parts of unsaturated polyester resin, 7 parts of epoxy resin, 28 parts of modified high-performance high-chlorinated polyethylene resin and 10 parts of modified composite nano-oxide slurry;

[0059] The mass percentages of the raw materials in the flame retardant are respectively 40% ammonium polyphosphate, 20% pentaerythritol and 40% melamine.

[0060] The preparation method of this a kind of expansive building fireproof coating is identical with embodiment 1;

[0061] The preparation method of described modified high performance high chlorinated polyethylene resin is identical with embodiment 1;

[0062] The preparation method of the modified composite nano-oxide slurry is the same as that in Example ...

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Abstract

The invention discloses an expandable type building fireproof coating and a preparation method thereof. The preparation method comprises the following steps: weighting unsaturated polyester resin andthen adding into a stirring reaction kettle; adding styrene, methyl ethyl ketone peroxide, cobalt naphthenate and liquid paraffin into the reaction kettle in turn while stirring, and then reacting while stirring for 20-40min; weighting expandable graphite, ammonium polyphosphate, pentaerythritol and melamine and then adding into a grinding mill for grinding; weighting filler and then adding into the grinding mill for grinding; pouring the filler and the mixture of ammonium polyphosphate, pentaerythritol and melamine into the stirring reaction kettle, and quickly stirring and mixing for 30-60min; adding auxiliaries and solvent, and then stirring and mixing again. According to the invention, different modified resins are stirred and mixed at different ratios, so that the fireproof time of the coating is prolonged, and meanwhile, the fireproof coating has anti-ultraviolet, antibacterial, sterilizing and anticorrosion effects, and the service life of the coating is prolonged.

Description

technical field [0001] The invention relates to the technical field of fireproof coatings, in particular to an intumescent building fireproof coating and a preparation method thereof. Background technique [0002] In terms of fire prevention mechanism, fire retardant coatings are generally divided into two types: intumescent and non-intumescent. Non-intumescent fire retardant coatings rely on their own high flame retardancy or non-combustibility to achieve the purpose of flame retardant and fire prevention. To achieve a good fire prevention effect, it must be coated very thickly, and a large amount of halogen, nitrogen, phosphorus and other flame retardants are added to produce Lots of toxic gas. Intumescent fireproof coating means that the coating film expands when heated to form a honeycomb carbonized layer, which isolates the heat of the flame and reduces or slows down the transfer to the substrate. A series of physical and chemical reactions that occur during fire prev...

Claims

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Application Information

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IPC IPC(8): C09D167/06C09D163/00C09D123/28C09D5/14C09D5/08C09D5/18
CPCC08K2003/2296C08K2003/323C08L2201/02C08L2205/035C09D5/08C09D5/14C09D5/18C09D167/06C08L63/00C08L23/286C08K13/06C08K9/06C08K3/22C08K3/32C08K5/053C08K5/34922
Inventor 不公告发明人
Owner 深圳市欧科力科技有限公司
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