CN105885575A - Fire-resistant coating material for outdoor steel structures and preparation method for fire-resistant coating material - Google Patents
Fire-resistant coating material for outdoor steel structures and preparation method for fire-resistant coating material Download PDFInfo
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- CN105885575A CN105885575A CN201410667240.7A CN201410667240A CN105885575A CN 105885575 A CN105885575 A CN 105885575A CN 201410667240 A CN201410667240 A CN 201410667240A CN 105885575 A CN105885575 A CN 105885575A
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Abstract
The invention discloses a fire-resistant coating material for outdoor steel structures and a preparation method for the fire-resistant coating material and belongs to the technical field of fireproof coating materials. The coating material is prepared from the ingredients in percentage by weight: 25wt% to 31wt% of acrylic resin, 6wt% to 8wt% of chlorinated paraffin, 5wt% to 7wt% of amino resin, 22.7wt% to 26.7wt% of polyphosphate, 15.5wt% to 17.5wt% of pentaerythritol, 8.8wt% to 10.8wt% of melamine, 3wt% to 5wt% of graphite and 3wt% to 5wt% of organic bentonite. According to the fire-resistant coating material for the outdoor steel structures, prepared by the method, the fire-resistant time is longer, and the structural strength of an expansion layer is high, so that the fire-resistant coating material fully meets the requirements of the outdoor steel structures on fireproof performance.
Description
Technical field
The invention belongs to fireproof coating technical field, be specifically related to a kind of outdoor use fire-resistant coating for steel structure.
Background technology
In prior art, steel are widely applied the most as main supporting member.Steel
Although there is the physical and mechanical properties of excellence at normal temperatures, but its fire resistance being more than masonry structure and steel
Tendon concrete structure is poor, after steel reach critical temperature 540 DEG C, just loses bearing capacity.And lead to
Often in building fire, within 10min, the temperature in the scene of a fire i.e. can reach more than 700 DEG C.At such fire
After the match, as long as the temperature of a few minutes exposed steel will reach marginal value, bearing capacity drastically declines, and leads
Cause building collapse.Therefore, steel construction is particularly significant.The fire resistant way of steel construction has refractory material bag
Feng Fa, screen method, Water spray method and fireproof coating method.Comprehensive each side factor, on steel beam column directly
Sprayed fire proofing material is the most preferable, reliable, economic and practical method.At present, ultrathin (≤3mm)
Fireproof coating is most widely used a kind of fireproof coating, but has the following disadvantages: the fire prevention time
Short, expanding layer structural strength is low.
Summary of the invention
It is an object of the invention to provide a kind of outdoor use fire-resistant coating for steel structure, additionally provide it simultaneously and prepare
Method so that it is the fire prevention time is longer, expanding layer structural strength is high.
The invention provides a kind of outdoor use fire-resistant coating for steel structure, the composition of this coating and content is: third
Olefin(e) acid resin is 25～31wt%, and chlorinated paraffin is 6～8wt%, and amino resins is 5～7wt%, poly
Phosphate is 22.7～26.7wt%, and tetramethylolmethane is 15.5～17.5wt%, and tripolycyanamide is 8.8～10.8
Wt%, graphite is 3～5wt%, and organic Peng Run soil is 3～5wt%.
Present invention also offers the preparation method of above-mentioned outdoor use fire-resistant coating for steel structure, comprise the steps:
1) dissolve: by mentioned component and content range feeding, add raw materials in solvent, utilize dispersing head
At 2500r/min rotating speed down cut dispersing and dissolving；
2) stirring: be gradually added into carbon forming agent, foaming agent and color stuffing in above-mentioned solution, continues stirring
10min；
3) grind: in solution, add bead, under 3000r/min rotating speed, solution is ground with grinding head
Mill 2～4h；
4) filter: use strainer filtering solution, isolate bead and coating.
Compared with prior art, the beneficial effects of the present invention is: the outdoor use steel structure fireproofing prepared is coated with
The fire prevention time of material is longer, expanding layer structural strength is higher；If being coated with inorganic finish paint at coating surface,
Then the blowing-resistant ability of fire prevention expansion coating is greatly enhanced；When coating layer thickness reaches 1.5mm, time fire-resistant
Between reach 100min, the fire protecting performance requirement of outdoor steel structure can be fully met.
Detailed description of the invention
Embodiment 1
A kind of outdoor use fire-resistant coating for steel structure, the composition of this coating and content is:
Acrylic resin is 26wt%；
Chlorinated paraffin is 8wt%；
Amino resins is 7wt%；
Polyphosphate is 23.7wt%；
Tetramethylolmethane is 16.5wt%；
Tripolycyanamide is 9.8wt%；
Graphite is 4wt%；
Organic Peng Run soil is 5wt%.
Above-mentioned outdoor use fire-resistant coating for steel structure, adopts with the following method and step is prepared:
1) dissolve: by mentioned component and content range feeding, add raw materials in solvent, utilize dispersing head
At 2500r/min rotating speed down cut dispersing and dissolving；
2) stirring: be gradually added into carbon forming agent, foaming agent and color stuffing in above-mentioned solution, continues stirring
10min；
3) grind: in solution, add bead, under 3000r/min rotating speed, solution is ground with grinding head
Mill 2～4h；
4) filter: use strainer filtering solution, isolate bead and coating.
Embodiment 2
A kind of outdoor use fire-resistant coating for steel structure, the composition of this coating and content is:
Acrylic resin is 28wt%；
Chlorinated paraffin is 7wt%；
Amino resins is 6wt%；
Polyphosphate is 24.7wt%；
Tetramethylolmethane is 16.5wt%；
Tripolycyanamide is 9.8wt%；
Graphite is 4wt%；
Organic Peng Run soil is 4wt%.
Embodiment 3
A kind of outdoor use fire-resistant coating for steel structure, the composition of this coating and content is:
Acrylic resin is 29wt%；
Chlorinated paraffin is 8wt%；
Amino resins is 5wt%；
Polyphosphate is 23.7wt%；
Tetramethylolmethane is 17.5wt%；
Tripolycyanamide is 8.8wt%；
Graphite is 5wt%；
Organic Peng Run soil is 3wt%.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, this
The technical staff in field is according to disclosed technology contents, it is not necessary to performing creative labour just can be to wherein
Some technical characteristics make some replace and deformation, these replace and deformation all at the protection model of the present invention
In enclosing.
Claims (2)
1. an outdoor use fire-resistant coating for steel structure, it is characterised in that the composition of this coating and content is: acrylic acid
Resin is 25～31wt%, and chlorinated paraffin is 6～8wt%, and amino resins is 5～7wt%, polyphosphate
Being 22.7～26.7wt%, tetramethylolmethane is 15.5～17.5wt%, and tripolycyanamide is 8.8～10.8wt%, stone
Ink is 3～5wt%, and organic Peng Run soil is 3～5wt%.
The preparation method of outdoor use fire-resistant coating for steel structure the most according to claim 1, comprises the steps:
1) dissolve: by mentioned component and content range feeding, add raw materials in solvent, utilize dispersing head to exist
2500r/min rotating speed down cut dispersing and dissolving；
2) stirring: be gradually added into carbon forming agent, foaming agent and color stuffing in above-mentioned solution, continues stirring 10min；
3) grind: in solution, add bead, under 3000r/min rotating speed, solution is ground 2～4h with grinding head；
4) filter: use strainer filtering solution, isolate bead and coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667240.7A CN105885575A (en) | 2014-11-19 | 2014-11-19 | Fire-resistant coating material for outdoor steel structures and preparation method for fire-resistant coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667240.7A CN105885575A (en) | 2014-11-19 | 2014-11-19 | Fire-resistant coating material for outdoor steel structures and preparation method for fire-resistant coating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105885575A true CN105885575A (en) | 2016-08-24 |
Family
ID=56698763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410667240.7A Pending CN105885575A (en) | 2014-11-19 | 2014-11-19 | Fire-resistant coating material for outdoor steel structures and preparation method for fire-resistant coating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105885575A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752500A (en) * | 2016-11-30 | 2017-05-31 | 佛山市高明区诚睿基科技有限公司 | A kind of preparation method with fire resistant coating stainless steel material |
| CN111286239A (en) * | 2020-03-18 | 2020-06-16 | 泉州联众工贸有限公司 | Solvent type intumescent fire-retardant coating and preparation method thereof |
-
2014
- 2014-11-19 CN CN201410667240.7A patent/CN105885575A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752500A (en) * | 2016-11-30 | 2017-05-31 | 佛山市高明区诚睿基科技有限公司 | A kind of preparation method with fire resistant coating stainless steel material |
| CN111286239A (en) * | 2020-03-18 | 2020-06-16 | 泉州联众工贸有限公司 | Solvent type intumescent fire-retardant coating and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |