CN109735206A - A kind of slim outdoor fireproof coating of weatherability and its preparation process - Google Patents

A kind of slim outdoor fireproof coating of weatherability and its preparation process Download PDF

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Publication number
CN109735206A
CN109735206A CN201910034931.6A CN201910034931A CN109735206A CN 109735206 A CN109735206 A CN 109735206A CN 201910034931 A CN201910034931 A CN 201910034931A CN 109735206 A CN109735206 A CN 109735206A
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CN
China
Prior art keywords
agent
weatherability
slim
fireproof coating
melamine
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Pending
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CN201910034931.6A
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Chinese (zh)
Inventor
张爱玲
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Nanjing Zhantuo Fire-Fighting Equipment Co Ltd
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Nanjing Zhantuo Fire-Fighting Equipment Co Ltd
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Priority to CN201910034931.6A priority Critical patent/CN109735206A/en
Publication of CN109735206A publication Critical patent/CN109735206A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to technical field of coatings, more particularly to a kind of slim outdoor fireproof coating of weatherability and its preparation process, a kind of slim outdoor fireproof coating of weatherability, it includes following component by weight percentage, epoxy resin 5-9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, melamine 5-8%, defoaming agent 2-5%, dispersing agent 3-5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreezing agent 1-2% and water 46-69%;A kind of slim outdoor fireproof coating preparation process of weatherability, it includes the following steps: the first step, weighing, weighs in the ratio of epoxy resin 5-9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, melamine 5-8%, defoaming agent 2-5%, dispersing agent 3-5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreezing agent 1-2% and water 46-69%;Second step prepares finished product;Component alleged by the first step is added in container, and is sufficiently stirred 30-40 minutes.Coating storage stability and physicochemical property provided by the invention are stronger, and have very strong photosensitivity and weatherability.

Description

A kind of slim outdoor fireproof coating of weatherability and its preparation process
Technical field
The present invention relates to the slim outdoor fireproof coating of technical field of coatings more particularly to a kind of weatherability and its preparation works Skill.
Background technique
Slim fireproof coating refers to that fire temperature occurs for the fireproof coating that thickness is no more than between 3-7mm, this kind of fireproof coating Degree can be expanded foamed rapidly after increasing, and forms fine and close fire proof heat-insulation layer, be outdoor steel structure especially airport, in exhibitions The common fireproof coatings such as the outdoor buildings light weight steel roof truss such as the heart, recreational and sports activities place, ball-joint Elements of Space Grid Truss, but at present thin The storage stability of fireproof coating and physicochemical property are bad outside type room, and weatherability is poor.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of slim outdoor fireproof coating of weatherability and its preparation processes.
The present invention is to be achieved by the following technical programs:
The slim outdoor fireproof coating of a kind of weatherability comprising following component by weight percentage, epoxy resin 5- 9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, melamine 5-8%, defoaming agent 2-5%, dispersing agent 3- 5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreezing agent 1-2% and water 46-69%.
Specific embodiment one, a kind of slim outdoor fireproof coating of weatherability comprising by weight percentage such as the following group Point, epoxy resin 5%, aliphatic isocyanates 4%, ammonium polyphosphate 6%, melamine 5%, defoaming agent 2%, dispersing agent 3%, silicone oil 1%, expanded graphite 2%, coalescing agent 2%, antifreezing agent 1% and water 69%.
Specific embodiment two, a kind of slim outdoor fireproof coating of weatherability comprising by weight percentage such as the following group Point, epoxy resin 9%, aliphatic isocyanates 8%, ammonium polyphosphate 8%, melamine 8%, defoaming agent 5%, dispersing agent 5%, silicone oil 3%, expanded graphite 3%, coalescing agent 3%, antifreezing agent 2% and water 46%.
Specific embodiment three, a kind of slim outdoor fireproof coating of weatherability comprising by weight percentage such as the following group Point, epoxy resin 7%, aliphatic isocyanates 6%, ammonium polyphosphate 7%, melamine 6.5%, defoaming agent 3.5%, dispersion Agent 4%, silicone oil 2%, expanded graphite 2.5%, coalescing agent 2.5%, antifreezing agent 1.5% and water 57.5%.
Further, antifreezing agent is propylene glycol.
A kind of slim outdoor fireproof coating preparation process of weatherability comprising following steps:
The first step, weighing, by epoxy resin 5-9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, trimerization It is cyanamide 5-8%, defoaming agent 2-5%, dispersing agent 3-5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreeze The ratio of agent 1-2% and water 46-69% are weighed;
Second step prepares finished product;Component alleged by the first step is added in container, and is sufficiently stirred 30-40 minutes.
Beneficial effects of the present invention
A kind of slim outdoor fireproof coating of weatherability provided by the invention, ammonium polyphosphate is foaming agent, and fire is occurring Temperature expands rapidly after increasing, and releases non-flammable gases, makes coating expansion, and form reticulated foams in coating, prevents The sprawling of fire;The storage stability and physicochemical property of epoxy resin are stronger, and have very strong photosensitivity and weather-proof Property, it is particularly suitable for outdoor light weight steel roof truss, ball-joint Elements of Space Grid Truss fireproof coating;Melamine and propylene glycol is added, makes The stability of coating is stronger, have it is very strong it is water-fast, heat-resisting, resistance to freeze, be ageing-resistant, is resistance to electric arc, resistant to chemical etching, and have good Insulation performance, glossiness and mechanical strength.
Specific embodiment
The slim outdoor fireproof coating of a kind of weatherability comprising following component by weight percentage, epoxy resin 5- 9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, melamine 5-8%, defoaming agent 2-5%, dispersing agent 3- 5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreezing agent 1-2% and water 46-69%.
Specific embodiment one, a kind of slim outdoor fireproof coating of weatherability comprising by weight percentage such as the following group Point, epoxy resin 5%, aliphatic isocyanates 4%, ammonium polyphosphate 6%, melamine 5%, defoaming agent 2%, dispersing agent 3%, silicone oil 1%, expanded graphite 2%, coalescing agent 2%, antifreezing agent 1% and water 69%.
Specific embodiment two, a kind of slim outdoor fireproof coating of weatherability comprising by weight percentage such as the following group Point, epoxy resin 9%, aliphatic isocyanates 8%, ammonium polyphosphate 8%, melamine 8%, defoaming agent 5%, dispersing agent 5%, silicone oil 3%, expanded graphite 3%, coalescing agent 3%, antifreezing agent 2% and water 46%.
Specific embodiment three, a kind of slim outdoor fireproof coating of weatherability comprising by weight percentage such as the following group Point, epoxy resin 7%, aliphatic isocyanates 6%, ammonium polyphosphate 7%, melamine 6.5%, defoaming agent 3.5%, dispersion Agent 4%, silicone oil 2%, expanded graphite 2.5%, coalescing agent 2.5%, antifreezing agent 1.5% and water 57.5%.
Further, antifreezing agent is propylene glycol.
A kind of slim outdoor fireproof coating preparation process of weatherability comprising following steps:
The first step, weighing, by epoxy resin 5-9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, trimerization It is cyanamide 5-8%, defoaming agent 2-5%, dispersing agent 3-5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreeze The ratio of agent 1-2% and water 46-69% are weighed;
Second step prepares finished product;Component alleged by the first step is added in container, and is sufficiently stirred 30-40 minutes.
Due to a kind of slim outdoor fireproof coating of weatherability provided by the invention, ammonium polyphosphate is foaming agent, is being occurred Fire temperature expands rapidly after increasing, and releases non-flammable gases, makes coating expansion, and form reticulated foams in coating, Prevent the sprawling of fire;The storage stability and physicochemical property of epoxy resin are stronger, and have very strong photosensitivity and Weatherability is particularly suitable for outdoor light weight steel roof truss, ball-joint Elements of Space Grid Truss fireproof coating;Melamine and the third two are added Alcohol keeps the stability of coating stronger, have it is very strong it is water-fast, heat-resisting, resistance to freeze, be ageing-resistant, is resistance to electric arc, resistant to chemical etching, and have There are good insulation performance, glossiness and mechanical strength.
Specific test result is shown in Table one
Table one
Test item Specific embodiment one Specific embodiment two Specific embodiment three
Drying time h 12 13 15
Initial dry crack resistance Flawless Flawless Flawless
Adhesive strength MPa 0.42 0.45 0.44
Water resistance h 460 520 560
Heat-resisting cyclicity number 45 45 42
Acid resistance/h 408 410 416
Alkali resistance/h 432 428 432
Fire endurance h 2.2 2.4 2.5
Rub resistance number 1509 1538 1536
According to GB/14907-2002 standard testing, specifically: 1, surface drying time answer≤for 24 hours;2, crack resistance: allow to occur 1-3 Crack, width answer≤0.5mm;3, adhesion strength >=0.1Mpa;4, water resistance: after for 24 hours, coating is not cracked, is risen Layer, obscission;5, cold-hot cyclicity/number: after 15 times, coating do not crack, aliquation, obscission;6, fire endurance: Fire endurance is not less than 2h, can be seen that a kind of slim outdoor fire prevention of weatherability provided by the invention applies by experimental data in table Material, performance indexes is considerably beyond requirements of the national standard.
In conclusion a kind of slim outdoor fireproof coating of weatherability provided by the invention, storage stability and physicochemical property It is relatively strong, and there is very strong photosensitivity and weatherability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of slim outdoor fireproof coating of weatherability, which is characterized in that including following component by weight percentage, asphalt mixtures modified by epoxy resin Rouge 5-9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, melamine 5-8%, defoaming agent 2-5%, dispersing agent 3-5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreezing agent 1-2% and water 46-69%.
2. a kind of slim outdoor fireproof coating of weatherability, which is characterized in that including following component by weight percentage, asphalt mixtures modified by epoxy resin Rouge 5%, aliphatic isocyanates 4%, ammonium polyphosphate 6%, melamine 5%, defoaming agent 2%, dispersing agent 3%, silicone oil 1%, expanded graphite 2%, coalescing agent 2%, antifreezing agent 1% and water 69%.
3. a kind of slim outdoor fireproof coating of weatherability, which is characterized in that including following component by weight percentage, asphalt mixtures modified by epoxy resin Rouge 9%, aliphatic isocyanates 8%, ammonium polyphosphate 8%, melamine 8%, defoaming agent 5%, dispersing agent 5%, silicone oil 3%, expanded graphite 3%, coalescing agent 3%, antifreezing agent 2% and water 46%.
4. a kind of slim outdoor fireproof coating of weatherability, which is characterized in that including following component by weight percentage, asphalt mixtures modified by epoxy resin Rouge 7%, aliphatic isocyanates 6%, ammonium polyphosphate 7%, melamine 6.5%, defoaming agent 3.5%, dispersing agent 4%, silicon Oil 2%, expanded graphite 2.5%, coalescing agent 2.5%, antifreezing agent 1.5% and water 57.5%.
5. the slim outdoor fireproof coating of a kind of weatherability described in -4 according to claim 1, which is characterized in that the antifreezing agent is Propylene glycol.
6. a kind of slim outdoor fireproof coating preparation process of weatherability, which comprises the steps of:
The first step, weighing, by epoxy resin 5-9%, aliphatic isocyanates 4-8%, ammonium polyphosphate 6-8%, melamine 5-8%, defoaming agent 2-5%, dispersing agent 3-5%, silicone oil 1-3%, expanded graphite 2-3%, coalescing agent 2-3%, antifreezing agent 1- The ratio of 2% and water 46-69% is weighed;
Second step prepares finished product;Component alleged by the first step is added in container, and is sufficiently stirred 30-40 minutes.
CN201910034931.6A 2019-01-15 2019-01-15 A kind of slim outdoor fireproof coating of weatherability and its preparation process Pending CN109735206A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101747821A (en) * 2008-12-09 2010-06-23 同济大学 Steel-structure ultrathin intumescent fire retardant coating and preparation method thereof
CN101851457A (en) * 2010-06-11 2010-10-06 东莞市大兴化工有限公司 Water-based halogen-free benzene-free steel structure ultrathin intumescent fire retardant coating and preparation method thereof
CN102061119A (en) * 2009-11-16 2011-05-18 中国京冶工程技术有限公司 Solvent-free epoxy resin fire-resistant coating for ultrathin steel structure
CN102108236A (en) * 2010-12-30 2011-06-29 北京虹霞正升涂料有限责任公司 Fire-proof and corrosion-proof paint for ultra-thin section steel structures
CN105238221A (en) * 2015-11-13 2016-01-13 海洋化工研究院有限公司 Flexible epoxy intumescence fire-retardant coating and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101747821A (en) * 2008-12-09 2010-06-23 同济大学 Steel-structure ultrathin intumescent fire retardant coating and preparation method thereof
CN102061119A (en) * 2009-11-16 2011-05-18 中国京冶工程技术有限公司 Solvent-free epoxy resin fire-resistant coating for ultrathin steel structure
CN101851457A (en) * 2010-06-11 2010-10-06 东莞市大兴化工有限公司 Water-based halogen-free benzene-free steel structure ultrathin intumescent fire retardant coating and preparation method thereof
CN102108236A (en) * 2010-12-30 2011-06-29 北京虹霞正升涂料有限责任公司 Fire-proof and corrosion-proof paint for ultra-thin section steel structures
CN105238221A (en) * 2015-11-13 2016-01-13 海洋化工研究院有限公司 Flexible epoxy intumescence fire-retardant coating and preparation method thereof

Non-Patent Citations (2)

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Title
刘新: "《电力工业防腐涂装技术》", 31 January 2010, 中国电力出版社 *
李永河: "《橡胶硫化技术》", 31 May 2012, 黄河水利出版社 *

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