CN112724730B - Flame-retardant epoxy resin coating and preparation method thereof - Google Patents
Flame-retardant epoxy resin coating and preparation method thereof Download PDFInfo
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- CN112724730B CN112724730B CN202011580557.9A CN202011580557A CN112724730B CN 112724730 B CN112724730 B CN 112724730B CN 202011580557 A CN202011580557 A CN 202011580557A CN 112724730 B CN112724730 B CN 112724730B
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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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)
- Epoxy Resins (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame-retardant epoxy resin coating and a preparation method thereof, wherein the method comprises the following steps: uniformly stirring bisphenol A type epoxy resin, zinc oxide, C12-14 fatty glycidyl ether, aniline, chlorinated polyethylene and deionized water under a dispersion machine, adding the zinc oxide into a grinding machine, and grinding to the fineness of below 30 um; then sequentially adding sorbitol, eleostearic acid and maleic anhydride, stirring uniformly, heating to 60-70 ℃ for reaction for 4-5h, and keeping at normal temperature for later use; when in use, the curing agent is added and mixed evenly. The invention has the following beneficial effects: the eleostearic acid can reduce the agglomeration phenomenon, promote the maleic anhydride modified epoxy resin and improve the flame retardant effect of the invention.
Description
Technical Field
The invention belongs to the field of coatings, and particularly relates to a flame-retardant epoxy resin coating and a preparation method thereof.
Background
The flame-retardant coating is characterized in that the flame resistance of the material can be improved, the flame spread propagation speed can be slowed down, or the combustion can be stopped within a certain time by brushing the coating on the surface of flammable materials, and the coating is also called as a fireproof coating.
Chinese patent application with application number CN201810884874.6 discloses a flame-retardant epoxy resin, which is prepared from the following raw materials in parts by weight: 30-50 parts of amorphous polyether sulfone resin, 5-13 parts of accelerator, 15-17 parts of flame retardant, 1-7 parts of curing agent and 25-40 parts of inorganic filler. The performance of the flame-retardant epoxy resin is effectively improved, the temperature resistance of the epoxy resin can be improved, and the epoxy resin has certain temperature resistance and flame retardance. The invention provides the epoxy resin coating with more excellent flame retardant effect.
Disclosure of Invention
The invention provides a flame-retardant epoxy resin coating and a preparation method thereof, aiming at solving the problems of the prior art, and the flame-retardant epoxy resin coating has excellent flame-retardant effect.
In order to solve the technical problems, the invention adopts the following technical scheme:
the flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 80-180 parts of bisphenol A type epoxy resin, 1-5 parts of zinc oxide, 30-40 parts of C12-14 fatty glycidyl ether, 1-4 parts of aniline, 10-12 parts of chlorinated polyethylene, 40-50 parts of deionized water, 20-30 parts of sorbitol, 10-15 parts of eleostearic acid, 20-30 parts of maleic anhydride and 30-40 parts of curing agent.
Preferably, the flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 100 parts of bisphenol A epoxy resin, 2 parts of zinc oxide, 35 parts of C12-14 fatty glycidyl ether, 3 parts of aniline, 11 parts of chlorinated polyethylene, 45 parts of deionized water, 25 parts of sorbitol, 14 parts of eleostearic acid, 25 parts of maleic anhydride and 35 parts of curing agent.
Preferably, the flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 80-parts of bisphenol A type epoxy resin, 1 part of zinc oxide, 30 parts of C12-14 fatty glycidyl ether, 1 part of aniline, 10 parts of chlorinated polyethylene, 40 parts of deionized water, 20 parts of sorbitol, 10 parts of eleostearic acid, 20 parts of maleic anhydride and 30 parts of hexamethylene diamine serving as a curing agent.
Preferably, the flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 180 parts of bisphenol A type epoxy resin, 5 parts of zinc oxide, 40 parts of C12-14 fatty glycidyl ether, 4 parts of aniline, 12 parts of chlorinated polyethylene, 50 parts of deionized water, 30 parts of sorbitol, 15 parts of eleostearic acid, 30 parts of maleic anhydride and 40 parts of curing agent hexamethylene diamine.
Preferably, the flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 120 parts of bisphenol A epoxy resin, 3 parts of zinc oxide, 33 parts of C12-14 fatty glycidyl ether, 3 parts of aniline, 10 parts of chlorinated polyethylene, 47 parts of deionized water, 27 parts of sorbitol, 12 parts of eleostearic acid, 22 parts of maleic anhydride and 32 parts of curing agent.
Preferably, the curing agent is ethylenediamine, hexamethylenediamine or hexamethylenediamine.
Preferably, the mass ratio of eleostearic acid to maleic anhydride is 1: 2.
the preparation method of the flame-retardant epoxy resin coating comprises the following steps: uniformly stirring bisphenol A type epoxy resin, zinc oxide, C12-14 fatty glycidyl ether, aniline, chlorinated polyethylene and deionized water under a dispersion machine, adding the zinc oxide into a grinding machine, and grinding to the fineness of below 30 um; then sequentially adding sorbitol, eleostearic acid and maleic anhydride, stirring uniformly, heating to 60-70 ℃ for reaction for 4-5h, and keeping at normal temperature for later use; when in use, the curing agent is added and mixed evenly.
The invention has the following beneficial effects: the eleostearic acid can reduce the agglomeration phenomenon, promote the maleic anhydride modified epoxy resin and improve the flame retardant effect of the invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
The flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 100 parts of bisphenol A epoxy resin, 2 parts of zinc oxide, 35 parts of C12-14 fatty glycidyl ether, 3 parts of aniline, 11 parts of chlorinated polyethylene, 45 parts of deionized water, 25 parts of sorbitol, 14 parts of eleostearic acid, 25 parts of maleic anhydride and 35 parts of hexamethylene diamine as a curing agent.
The preparation method of the flame-retardant epoxy resin coating comprises the following steps: uniformly stirring bisphenol A type epoxy resin, zinc oxide, C12-14 fatty glycidyl ether, aniline, chlorinated polyethylene and deionized water under a dispersion machine, adding the zinc oxide into a grinding machine, and grinding to the fineness of below 30 um; then sequentially adding sorbitol, eleostearic acid and maleic anhydride, stirring uniformly, heating to 60-70 ℃ for reaction for 4.5h, and keeping at normal temperature for later use; when in use, the curing agent is added and mixed evenly.
Example 2
The flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 80-parts of bisphenol A type epoxy resin, 1 part of zinc oxide, 30 parts of C12-14 fatty glycidyl ether, 1 part of aniline, 10 parts of chlorinated polyethylene, 40 parts of deionized water, 20 parts of sorbitol, 10 parts of eleostearic acid, 20 parts of maleic anhydride and 30 parts of hexamethylene diamine serving as a curing agent.
The preparation method of the flame-retardant epoxy resin coating comprises the following steps: uniformly stirring bisphenol A type epoxy resin, zinc oxide, C12-14 fatty glycidyl ether, aniline, chlorinated polyethylene and deionized water under a dispersion machine, adding the zinc oxide into a grinding machine, and grinding to the fineness of below 30 um; then sequentially adding sorbitol, eleostearic acid and maleic anhydride, stirring uniformly, heating to 60-70 ℃ for reaction for 4h, and keeping at normal temperature for later use; when in use, the curing agent is added and mixed evenly.
Example 3
The flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 180 parts of bisphenol A type epoxy resin, 5 parts of zinc oxide, 40 parts of C12-14 fatty glycidyl ether, 4 parts of aniline, 12 parts of chlorinated polyethylene, 50 parts of deionized water, 30 parts of sorbitol, 15 parts of eleostearic acid, 30 parts of maleic anhydride and 40 parts of curing agent hexamethylene diamine.
The preparation method of the flame-retardant epoxy resin coating comprises the following steps: uniformly stirring bisphenol A type epoxy resin, zinc oxide, C12-14 fatty glycidyl ether, aniline, chlorinated polyethylene and deionized water under a dispersion machine, adding the zinc oxide into a grinding machine, and grinding to the fineness of below 30 um; then sequentially adding sorbitol, eleostearic acid and maleic anhydride, stirring uniformly, heating to 60-70 ℃ for reaction for 5h, and keeping at normal temperature for later use; when in use, the curing agent is added and mixed evenly.
Example 4
The flame-retardant epoxy resin coating comprises the following raw materials in parts by weight: 120 parts of bisphenol A epoxy resin, 3 parts of zinc oxide, 33 parts of C12-14 fatty glycidyl ether, 3 parts of aniline, 10 parts of chlorinated polyethylene, 47 parts of deionized water, 27 parts of sorbitol, 12 parts of eleostearic acid, 22 parts of maleic anhydride and 32 parts of curing agent ethylene diamine.
The preparation method of the flame-retardant epoxy resin coating comprises the following steps: uniformly stirring bisphenol A type epoxy resin, zinc oxide, C12-14 fatty glycidyl ether, aniline, chlorinated polyethylene and deionized water under a dispersion machine, adding the zinc oxide into a grinding machine, and grinding to the fineness of below 30 um; then sequentially adding sorbitol, eleostearic acid and maleic anhydride, stirring uniformly, heating to 60-70 ℃ for reaction for 4.8h, and keeping at normal temperature for later use; when in use, the curing agent is added and mixed evenly.
Comparative example 1
The difference from example 1 is that: eleostearic acid and maleic anhydride were not added.
And (3) performance testing:
| limiting oxygen index | |
| Example 1 | 38％ |
| Example 2 | 37％ |
| Example 3 | 35％ |
| Example 4 | 37％ |
| Comparative example 1 | 27％ |
As can be seen from the table, eleostearic acid can not only reduce the agglomeration phenomenon, but also promote maleic anhydride modified epoxy resin and improve the flame retardant effect of the invention.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and any simple changes or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are within the scope of the present invention.
Claims (4)
1. The flame-retardant epoxy resin coating is characterized by comprising the following raw materials in parts by weight: 80-180 parts of bisphenol A epoxy resin, 1-5 parts of zinc oxide, 30-40 parts of C12-14 fatty glycidyl ether, 1-4 parts of aniline, 10-12 parts of chlorinated polyethylene, 40-50 parts of deionized water, 20-30 parts of sorbitol, 10-15 parts of eleostearic acid, 20-30 parts of maleic anhydride and 30-40 parts of curing agent; the mass ratio of eleostearic acid to maleic anhydride is 1: 2.
2. the flame-retardant epoxy resin coating according to claim 1, comprising the following raw materials in parts by weight: 80-parts of bisphenol A epoxy resin, 1 part of zinc oxide, 30 parts of C12-14 fatty glycidyl ether, 1 part of aniline, 10 parts of chlorinated polyethylene, 40 parts of deionized water, 20 parts of sorbitol, 10 parts of eleostearic acid, 20 parts of maleic anhydride and 30 parts of hexamethylene diamine serving as a curing agent.
3. The flame-retardant epoxy resin coating according to claim 1, comprising the following raw materials in parts by weight: 180 parts of bisphenol A epoxy resin, 5 parts of zinc oxide, 40 parts of C12-14 fatty glycidyl ether, 4 parts of aniline, 12 parts of chlorinated polyethylene, 50 parts of deionized water, 30 parts of sorbitol, 15 parts of eleostearic acid, 30 parts of maleic anhydride and 40 parts of curing agent hexamethylene diamine.
4. The flame retardant epoxy resin coating according to claim 1, wherein the curing agent is ethylenediamine or hexamethylenediamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580557.9A CN112724730B (en) | 2020-12-28 | 2020-12-28 | Flame-retardant epoxy resin coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580557.9A CN112724730B (en) | 2020-12-28 | 2020-12-28 | Flame-retardant epoxy resin coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112724730A CN112724730A (en) | 2021-04-30 |
| CN112724730B true CN112724730B (en) | 2022-04-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875968A (en) * | 2011-07-11 | 2013-01-16 | 滁州格美特科技有限公司 | Flame-retardation enhanced epoxy plastic sheet material and its preparation method |
| CN105950007A (en) * | 2016-05-26 | 2016-09-21 | 北京新能源汽车股份有限公司 | Friction-fire-producing-resistant paint and application thereof |
| CN106634434A (en) * | 2016-12-21 | 2017-05-10 | 柳州市昌泉贸易有限公司 | Fire-retardant paint and preparation method thereof |
| CN109705694A (en) * | 2018-12-30 | 2019-05-03 | 苏州远卓科技信息有限公司 | A kind of heat-proof combustion-resistant insulated paint and preparation method thereof |
-
2020
- 2020-12-28 CN CN202011580557.9A patent/CN112724730B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875968A (en) * | 2011-07-11 | 2013-01-16 | 滁州格美特科技有限公司 | Flame-retardation enhanced epoxy plastic sheet material and its preparation method |
| CN105950007A (en) * | 2016-05-26 | 2016-09-21 | 北京新能源汽车股份有限公司 | Friction-fire-producing-resistant paint and application thereof |
| CN106634434A (en) * | 2016-12-21 | 2017-05-10 | 柳州市昌泉贸易有限公司 | Fire-retardant paint and preparation method thereof |
| CN109705694A (en) * | 2018-12-30 | 2019-05-03 | 苏州远卓科技信息有限公司 | A kind of heat-proof combustion-resistant insulated paint and preparation method thereof |
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| CN112724730A (en) | 2021-04-30 |
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