CN113683940A - Composition, fireproof coating containing composition and preparation method of fireproof coating - Google Patents
Composition, fireproof coating containing composition and preparation method of fireproof coating Download PDFInfo
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- CN113683940A CN113683940A CN202111084765.4A CN202111084765A CN113683940A CN 113683940 A CN113683940 A CN 113683940A CN 202111084765 A CN202111084765 A CN 202111084765A CN 113683940 A CN113683940 A CN 113683940A
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- fireproof coating
- sodium silicate
- glass powder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention relates to a composition, a fireproof coating containing the composition and a preparation method thereof, wherein the composition comprises the following components in parts by mass: 5-25 parts of sodium silicate, 5-25 parts of glass powder, 40-60 parts of aluminum titanate, 10-30 parts of boron nitride and 100 parts of epoxy resin; the sodium silicate and the glass powder can be melted at a lower temperature, the aluminum titanate can be decomposed to release gas at about 1000 ℃ along with the rise of the temperature, the gas plays a foaming role, micropores are formed in the ceramic substance, so that the thermal conductivity of the ceramic substance is poorer, and the structure can effectively prevent heat transfer. Titanium dioxide and aluminum oxide generated by decomposition participate in chemical reaction to form a ceramic framework, the refractory degree of the framework is high, and when the temperature is continuously increased to 1700 ℃, boron nitride also participates in chemical reaction, so that the strength and compactness of the ceramic matrix are further increased; so that the refractoriness of the composition can reach 2500 ℃.
Description
Technical Field
The invention relates to the technical field of flame-retardant materials, in particular to a composition, a fireproof coating containing the composition and a preparation method of the fireproof coating.
Background
The fireproof coating is a functional coating for preventing fire and delaying fire spread. The fire-retardant coating is divided into water-based fire-retardant coating and solvent-based fire-retardant coating according to dispersion medium. The water-based fireproof coating not only has great use advantages in various aspects such as coating thickness, coating amount, bonding strength and the like, but also has low pollution degree to the environment and generates less organic volatile matters. However, the flame retardant materials in the prior art generally have the defects of difficult manufacture, unsatisfactory flame retardant effect and the like.
Disclosure of Invention
In view of the above-mentioned drawbacks and problems of the prior art, the present invention provides a composition, a fire retardant coating containing the same, and a method for preparing the same.
The technical scheme provided by the invention is as follows:
a composition for preparing a fire retardant coating, characterized in that: the composition comprises the following components in parts by mass: 5-25 parts of sodium silicate, 5-25 parts of glass powder, 40-60 parts of aluminum titanate and 10-30 parts of boron nitride.
Further, the composition comprises the following components in parts by mass: 10-20 parts of sodium silicate, 10-20 parts of glass powder, 45-55 parts of aluminum titanate and 15-25 parts of boron nitride.
Furthermore, the particle size of each solid component in the composition is less than 5 microns, so that the coating generally has a grinding process, the aim is to facilitate the dispersion of each component, and the particle size of the components used in the invention is finer, so that the grinding process can be omitted, and the subsequent coating preparation operation is facilitated.
Further, the invention also provides a fireproof coating containing the composition, which is characterized in that: the fireproof coating is an intumescent water-based epoxy fireproof coating, the fireproof coating comprises a composition and a base material, and the mass ratio of the composition to the base material is 60-140: 100.
Further, the fireproof coating is characterized in that: the base material is epoxy resin.
Further, the invention also provides a preparation method of the fireproof coating, which is characterized by comprising the following steps: the method comprises the following steps:
1) weighing the components for preparing the composition according to the mass ratio for later use;
2) pouring the components in the step 1) into a vertical high-speed mixer for mixing to obtain a composition;
3) adding the composition into epoxy resin for several times, and mixing and stirring for 15-25 min.
Further, the mixing speed of the vertical high-speed mixer is 500-700 r/min.
Further, the mixing time of the vertical high-speed mixer is 4-6 min.
Compared with the prior art, the invention has the following technical effects:
1) the invention provides a composition, a fireproof coating containing the composition and a preparation method thereof, wherein each component for preparing the composition is an inorganic substance, can be dispersed in water without using an organic solvent and organic volatilization; and simultaneously, the sodium silicate plays a role of a suspending agent in water and can help other inorganic powder materials to be uniformly dispersed.
2) The invention provides a composition, a fireproof coating containing the composition and a preparation method of the fireproof coating.
3) The invention provides a composition, a fireproof coating containing the composition and a preparation method of the fireproof coating.
4) The prepared composition has effectively improved fire resistance limit (3h), sodium silicate and glass powder can be melted at lower temperature (about 800 ℃), aluminum titanate can be decomposed at about 1000 ℃ along with the increase of the temperature, gas is released, the gas plays a foaming role, micropores are formed in a ceramic substance, so that the thermal conductivity of the ceramic substance is poorer, and the structure can effectively prevent heat transfer. Titanium dioxide and aluminum oxide generated by decomposition participate in chemical reaction to form a ceramic framework, the refractory degree of the framework is high, and when the temperature is continuously increased to 1700 ℃, boron nitride also participates in chemical reaction, so that the strength and compactness of the ceramic matrix are further increased. So that the refractoriness of the composition can reach 2500 ℃.
5) The invention provides a composition, a fireproof coating containing the composition and a preparation method of the fireproof coating.
Detailed Description
The following examples are further illustrative of the present invention for better understanding of the contents of the present invention, but the contents of the present invention are not limited to the following examples.
Example 1:
weighing the following preparation components in parts by mass: 10 parts of sodium silicate, 20 parts of glass powder, 45 parts of aluminum titanate, 25 parts of boron nitride and 100 parts of epoxy resin; pouring the components into a vertical high-speed mixer to obtain the fireproof coating 1.
The fire-retardant coating 1 has a fire-retardant limit of 3.1h, as determined by experiments.
Example 2:
weighing the following preparation components in parts by mass: 20 parts of sodium silicate, 10 parts of glass powder, 55 parts of aluminum titanate, 15 parts of boron nitride and 100 parts of epoxy resin; pouring the components into a vertical high-speed mixer to obtain the fireproof coating 2.
The fire-resistant limit of the fire retardant coating 2 was found to be 3.5 hours.
Example 3:
weighing the following preparation components in parts by mass: 15 parts of sodium silicate, 15 parts of glass powder, 50 parts of aluminum titanate, 20 parts of boron nitride and 100 parts of epoxy resin; pouring the components into a vertical high-speed mixer to obtain the fireproof coating 3.
The fire-resistant limit of the fire-retardant coating 3 is experimentally determined to be 3.1 h.
Example 4:
weighing the following preparation components in parts by mass: 5 parts of sodium silicate, 25 parts of glass powder, 40 parts of aluminum titanate, 30 parts of boron nitride and 100 parts of epoxy resin; pouring the components into a vertical high-speed mixer to obtain the fireproof coating 4.
The fire-retardant coating 4 has a fire-retardant limit of 3.3 hours.
Example 5:
weighing the following preparation components in parts by mass: 25 parts of sodium silicate, 5 parts of glass powder, 60 parts of aluminum titanate, 10 parts of boron nitride and 100 parts of epoxy resin; pouring the components into a vertical high-speed mixer to obtain the fireproof coating 5.
The fire-retardant coating 5 has a fire-retardant limit of 3.3 hours.
Comparative example 1:
weighing the following preparation components in parts by mass: 2 parts of sodium silicate, 30 parts of glass powder, 63 parts of aluminum titanate, 5 parts of boron nitride and 100 parts of epoxy resin; the components were poured into a vertical high-speed mixer to obtain fire retardant coating comparative product 1.
The fire endurance of comparative fireproofing 1 was found to be 0.9 h.
Comparative example 2:
weighing the following preparation components in parts by mass: 30 parts of sodium silicate, 2 parts of glass powder, 35 parts of aluminum titanate, 33 parts of boron nitride and 100 parts of epoxy resin; the components were poured into a vertical high-speed mixer to obtain fire retardant coating comparative product 2.
The fire endurance of comparative fireproofing 2 was found to be 1.1 h.
The preparation components and the fire endurance of the examples and comparative examples are shown in the following table:
TABLE 1 preparation Components and fire limits of the examples and comparative examples
In the table, the unit of the fire endurance is hour, h.
It can be known from table 1 that the addition ratio of sodium silicate and glass powder promotes the influence greatly to the limit of fire of composition, and when the addition ratio of sodium silicate and glass powder was less than predetermineeing the ratio, thereby the foaming effect that the aluminium titanate of difficult melting decomposed to send gas weakens, and when the addition ratio of sodium silicate and glass powder exceeded when predetermineeing the ratio, the ceramic skeleton was difficult for forming, therefore can influence the limit of fire.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A composition for preparing a fire retardant coating, characterized in that: the composition comprises the following components in parts by mass: 5-25 parts of sodium silicate, 5-25 parts of glass powder, 40-60 parts of aluminum titanate and 10-30 parts of boron nitride.
2. A composition according to claim 1, wherein: the composition comprises the following components in parts by mass: 10-20 parts of sodium silicate, 10-20 parts of glass powder, 45-55 parts of aluminum titanate and 15-25 parts of boron nitride.
3. A composition according to claim 1, wherein: the particle size of each solid component in the composition is less than 5 microns.
4. A fire retardant coating comprising the composition of any of claims 1 to 3, wherein: the fireproof coating is an intumescent water-based epoxy fireproof coating, the fireproof coating comprises a composition and a base material, and the mass ratio of the composition to the base material is 60-140: 100.
5. a fire retardant coating according to claim 4, wherein: the base material is epoxy resin.
6. A method of preparing a fire retardant coating according to any one of claims 4 to 5, characterised in that: the method comprises the following steps:
1) weighing the components for preparing the composition according to the mass ratio for later use;
2) pouring the components in the step 1) into a vertical high-speed mixer for mixing to obtain a composition;
3) adding the composition into epoxy resin for several times, and mixing and stirring for 15-25 min.
7. The method for preparing a fire retardant coating according to claim 6, wherein: the mixing speed of the vertical high-speed mixer is 500-700 r/min.
8. The method for preparing a fire retardant coating according to claim 6, wherein: the mixing time of the vertical high-speed mixer is 4-6 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111084765.4A CN113683940B (en) | 2021-09-16 | 2021-09-16 | Composition, fireproof coating containing composition and preparation method of fireproof coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111084765.4A CN113683940B (en) | 2021-09-16 | 2021-09-16 | Composition, fireproof coating containing composition and preparation method of fireproof coating |
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| Publication Number | Publication Date |
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| CN113683940A true CN113683940A (en) | 2021-11-23 |
| CN113683940B CN113683940B (en) | 2022-11-22 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1709996A (en) * | 2005-07-07 | 2005-12-21 | 复旦大学 | Low-smoke superthin expansion steel structure fireproof coating and its preparing method |
| CN1974695A (en) * | 2006-11-23 | 2007-06-06 | 复旦大学 | Super thin no-halogen less-smoke fire proof organic-inorganic composite paint and its prepn process |
| CN104140262A (en) * | 2014-07-30 | 2014-11-12 | 青岛乾祥环保技术有限公司 | High-temperature creep resisting aluminum titanate composite ceramic material |
| CN107057420A (en) * | 2016-12-29 | 2017-08-18 | 广州凯耀资产管理有限公司 | Inorganic slim expansion fire-resistant coating for steel structure and preparation method thereof |
| CN107556884A (en) * | 2017-10-18 | 2018-01-09 | 江苏建中能源科技有限公司 | A kind of heat-insulating, fire-preventing coating |
| CN107556885A (en) * | 2017-10-26 | 2018-01-09 | 中国科学院理化技术研究所 | A kind of near-infrared radiation ceramic coating for ethane cracking furnace and its preparation method and application |
| CN109651856A (en) * | 2017-10-12 | 2019-04-19 | 石河子大学 | A kind of novel inorganic expansion fire-resistant coating for steel structure and preparation method thereof |
-
2021
- 2021-09-16 CN CN202111084765.4A patent/CN113683940B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1709996A (en) * | 2005-07-07 | 2005-12-21 | 复旦大学 | Low-smoke superthin expansion steel structure fireproof coating and its preparing method |
| CN1974695A (en) * | 2006-11-23 | 2007-06-06 | 复旦大学 | Super thin no-halogen less-smoke fire proof organic-inorganic composite paint and its prepn process |
| CN104140262A (en) * | 2014-07-30 | 2014-11-12 | 青岛乾祥环保技术有限公司 | High-temperature creep resisting aluminum titanate composite ceramic material |
| CN107057420A (en) * | 2016-12-29 | 2017-08-18 | 广州凯耀资产管理有限公司 | Inorganic slim expansion fire-resistant coating for steel structure and preparation method thereof |
| CN109651856A (en) * | 2017-10-12 | 2019-04-19 | 石河子大学 | A kind of novel inorganic expansion fire-resistant coating for steel structure and preparation method thereof |
| CN107556884A (en) * | 2017-10-18 | 2018-01-09 | 江苏建中能源科技有限公司 | A kind of heat-insulating, fire-preventing coating |
| CN107556885A (en) * | 2017-10-26 | 2018-01-09 | 中国科学院理化技术研究所 | A kind of near-infrared radiation ceramic coating for ethane cracking furnace and its preparation method and application |
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| CN113683940B (en) | 2022-11-22 |
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