CN113354686B - Triazine-based nitrogen-phosphorus flame retardant, preparation method thereof and water-based acrylic coating - Google Patents
Triazine-based nitrogen-phosphorus flame retardant, preparation method thereof and water-based acrylic coating Download PDFInfo
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- CN113354686B CN113354686B CN202110622295.6A CN202110622295A CN113354686B CN 113354686 B CN113354686 B CN 113354686B CN 202110622295 A CN202110622295 A CN 202110622295A CN 113354686 B CN113354686 B CN 113354686B
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 66
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 title claims abstract description 32
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 title claims abstract description 31
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- -1 triazine nitrogen phosphorus Chemical compound 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000000839 emulsion Substances 0.000 claims abstract description 9
- 239000002562 thickening agent Substances 0.000 claims abstract description 8
- BSYJHYLAMMJNRC-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-ol Chemical compound CC(C)(C)CC(C)(C)O BSYJHYLAMMJNRC-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 18
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000012065 filter cake Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- GCYHRYNSUGLLMA-UHFFFAOYSA-N 2-prop-2-enoxyethanol Chemical compound OCCOCC=C GCYHRYNSUGLLMA-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 4
- 238000007259 addition reaction Methods 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- DWSWCPPGLRSPIT-UHFFFAOYSA-N benzo[c][2,1]benzoxaphosphinin-6-ium 6-oxide Chemical compound C1=CC=C2[P+](=O)OC3=CC=CC=C3C2=C1 DWSWCPPGLRSPIT-UHFFFAOYSA-N 0.000 abstract 1
- 239000003973 paint Substances 0.000 abstract 1
- 239000004114 Ammonium polyphosphate Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000012496 blank sample Substances 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000012796 inorganic flame retardant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical class [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 description 1
- 229940043315 aluminum hydroxide / magnesium hydroxide Drugs 0.000 description 1
- SXSTVPXRZQQBKQ-UHFFFAOYSA-M aluminum;magnesium;hydroxide;hydrate Chemical compound O.[OH-].[Mg].[Al] SXSTVPXRZQQBKQ-UHFFFAOYSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/657163—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom
- C07F9/657172—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: (X = O, S)
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a triazine nitrogen phosphorus flame retardant, a preparation method thereof and a water-based acrylic coating, wherein the triazine nitrogen phosphorus flame retardant is prepared by introducing double bonds into triazine groups by using allyl hydroxyethyl ether modified cyanuric chloride, and then carrying out addition reaction on 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and the double bonds. And finally, blending the prepared flame retardant with the water-based acrylic emulsion to prepare the flame-retardant coating with excellent performance. The water-based acrylic paint comprises the following components in parts by weight: 100 parts of water-based acrylic emulsion, 15-25 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoaming agent, 0.5 part of flatting agent and 1.5 parts of thickening agent. The prepared flame-retardant coating overcomes the defect that the common micromolecule triazine-based flame retardant is easy to hydrolyze and migrate; the modified triazine group and DOPO construct a nitrogen-phosphorus synergistic flame-retardant system, and the flame-retardant efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of flame retardant materials, and particularly relates to a triazine-based nitrogen-phosphorus flame retardant, a preparation method thereof and a water-based acrylic coating.
Background
In the development of the flame-retardant water-based acrylic coating, the halogen flame retardant widely used in the early stage has the remarkable advantages of high flame-retardant efficiency, small using amount and low price, but the halogen flame retardant can release toxic gas when being combusted, thereby causing harm to human bodies. Therefore, it is very important to develop a high-performance halogen-free flame-retardant water-based acrylic coating.
At present, the main method for preparing the halogen-free flame-retardant water-based acrylic coating is to add inorganic flame retardants, such as aluminum hydroxide/magnesium hydroxide, ammonium polyphosphate, expanded graphite and the like. Chinese patent CN 108997924 discloses a nano polyurethane flame-retardant waterproof coating and a preparation method thereof, wherein an inorganic flame retardant nano magnesium hydroxide, modified magnesium aluminum hydrotalcite and nano calcium carbonate are compounded for use, and an acrylic coating with excellent flame retardant performance is prepared. However, the use amount of the inorganic flame retardant is too large, so that the processing process is difficult to perform on one hand; on the other hand, too much inorganic filler can deteriorate the overall properties of the coating, especially the mechanical properties of the coating after film formation. Chinese patent CN112322167A discloses a method for preparing an intumescent steel structure fire retardant coating, wherein the intumescent fire retardant comprises modified ammonium polyphosphate, triazine charring agent and expandable graphite. Modified ammonium polyphosphate, triazine micromolecule charring agent and expandable graphite are used as flame retardant components and added into aqueous base resin emulsion to prepare the flame retardant coating with good comprehensive performance. However, due to the dissolution and diffusion of triazine small molecules in the matrix, the metastable condition can cause the triazine small molecules to diffuse to the surface of the matrix and deposit on the surface, which not only affects the product aesthetics, but also causes the material performance to be reduced.
Disclosure of Invention
The invention aims to provide a triazine nitrogen phosphorus flame retardant, a preparation method thereof and a water-based acrylic coating aiming at the defects of the prior art.
The triazine nitrogen phosphorus flame retardant is prepared by modifying cyanuric chloride by allyl hydroxyethyl ether, introducing double bonds into triazine groups, and then performing addition reaction on 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and the double bonds. And finally, blending the prepared flame retardant and the water-based acrylic emulsion to prepare the flame-retardant coating with excellent performance. The prepared flame-retardant coating overcomes the defects that the common small-molecular triazine-based flame retardant is easy to hydrolyze and migrate; the modified triazine group and DOPO construct a nitrogen-phosphorus synergistic flame-retardant system, and the flame-retardant efficiency is greatly improved.
The specific technical scheme is as follows:
the preparation method of the triazine-based nitrogen-phosphorus flame retardant comprises the following steps:
(1) Preparation of allyl hydroxyethyl ether modified cyanuric chloride
Placing 0.3mol of allyl hydroxyethyl ether, 0.3mol of sodium bicarbonate and 300mL of dichloromethane into a 500mL three-necked flask provided with a stirring and reflux condensing device, and reducing the temperature to 0 ℃;
dissolving 0.1mol of cyanuric chloride in 50mL of dichloromethane, and transferring the cyanuric chloride to a constant-pressure dropping funnel for standby after the cyanuric chloride is completely dissolved;
slowly dripping the dichloromethane solution of the cyanuric chloride into a three-neck flask, reacting for 2 hours, then reducing the temperature to 50 ℃, reacting for 8 hours, and filtering the product to obtain a light white filter cake;
washing the filter cake twice with acetone to remove unreacted cyanuric chloride;
drying at 70 ℃ for 12h to obtain allyl hydroxyethyl ether modified cyanuric chloride;
(2) Preparation of triazine nitrogen phosphorus flame retardant
0.1mol of allyl hydroxyethyl ether modified cyanuric chloride, 0.1mol of 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and 300ml of absolute ethyl alcohol are placed in a three-neck flask for stirring, and then the whole reaction system is heated to 80 ℃ for reaction for 6 hours;
then waiting for the temperature to be cooled to room temperature;
filtering, washing with absolute ethyl alcohol for three times, and then placing in an oven at 80 ℃ for drying to obtain the product, namely the DOPO modified triazine-based flame retardant.
The triazine nitrogen phosphorus flame retardant is used for preparing the flame-retardant water-based acrylic coating.
The invention also provides a triazine-based nitrogen-phosphorus flame-retardant water-based acrylic coating which is prepared from the following raw materials in parts by mass: 100 parts of water-based acrylic emulsion, 15-25 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoaming agent, 0.5 part of flatting agent and 1.5 parts of thickening agent.
The defoamer is a mixture of water-increasing solid and foam-breaking polysiloxane in polyethylene glycol (BYK-028).
The flatting agent is a fluorocarbon modified polyacrylic acid solution Effka EFKA-3777).
The thickening agent is modified urea solution (BYK-420).
Compared with the prior art, the invention has the following positive effects:
(1) Allyl hydroxyethyl ether modified cyanuric chloride introduces double bonds into triazinyl, then 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and the double bonds are used for addition reaction, and the two flame retardants are directly combined together through chemical bonds;
(2) The prepared flame-retardant coating overcomes the defects that the common small-molecular triazine-based flame retardant is easy to hydrolyze and migrate;
(3) The modified triazine group and DOPO construct a nitrogen-phosphorus synergistic flame-retardant system, and the flame-retardant efficiency is greatly improved.
Detailed Description
The present invention is described in detail by the following examples, which should be construed as being merely illustrative and not limitative of the remainder of the disclosure, and it is understood that various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
Example 1:
100 parts of water-based acrylic emulsion, 15 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoaming agent, 0.5 part of flatting agent and 1.5 parts of thickening agent, and the components are uniformly mixed and placed in a film-forming plate to form a film.
Compared with a blank sample (a coating without a flame retardant), the Limit Oxygen Index (LOI) of the prepared triazine-based nitrogen-phosphorus flame-retardant water-based acrylic coating is improved to 27.3% from 17.8%.
Example 2:
100 parts of water-based acrylic emulsion, 20 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoamer, 0.5 part of flatting agent and 1.5 parts of thickener, and the materials are uniformly mixed and placed in a film-forming plate to form a film.
Compared with a blank sample (a coating without a flame retardant), the Limit Oxygen Index (LOI) of the prepared triazine-based nitrogen-phosphorus flame-retardant water-based acrylic coating is improved to 29.4% from 17.1%.
Example 3:
100 parts of water-based acrylic emulsion, 25 parts of triazine-based nitrogen-phosphorus flame retardant, 0.5 part of defoamer, 0.5 part of flatting agent and 1.5 parts of thickener, and the components are uniformly mixed and placed in a film-forming plate to form a film.
Compared with a blank sample (a coating without a flame retardant), the Limiting Oxygen Index (LOI) of the prepared triazine-based nitrogen-phosphorus flame-retardant water-based acrylic coating is increased to 33.2% from 18.9%.
Claims (7)
1. The preparation method of the triazine nitrogen phosphorus flame retardant is characterized by comprising the following steps:
(1) Preparation of allyl hydroxyethyl ether modified cyanuric chloride
Placing 0.3mol of allyl hydroxyethyl ether, 0.3mol of sodium bicarbonate and 300mL of dichloromethane into a 500mL three-necked flask provided with a stirring and reflux condensing device, and reducing the temperature to 0 ℃;
dissolving 0.1mol of cyanuric chloride in 50mL of dichloromethane, and transferring the cyanuric chloride to a constant-pressure dropping funnel for standby after the cyanuric chloride is completely dissolved;
slowly dripping the dichloromethane solution of the cyanuric chloride into a three-neck flask, reacting for 2 hours, then increasing the temperature to 50 ℃ and reacting for 8 hours, and filtering the product to obtain a light white filter cake;
washing the filter cake twice with acetone to remove unreacted cyanuric chloride;
drying at 70 ℃ for 12h to obtain allyl hydroxyethyl ether modified cyanuric chloride;
the reaction formula is as follows:
(2) Preparation of triazine nitrogen phosphorus flame retardant
0.1mol of allyl hydroxyethyl ether modified cyanuric chloride, 0.1mol of 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and 300ml of absolute ethyl alcohol are placed in a three-neck flask for stirring, and then the whole reaction system is heated to 80 ℃ for reaction for 6 hours;
the reaction formula is as follows:
then waiting for the temperature to be cooled to room temperature;
filtering, washing with absolute ethyl alcohol for three times, and then placing in an oven for drying at 80 ℃, wherein the obtained product is the DOPO modified triazine-based flame retardant.
2. Triazine-based nitrogen-phosphorus flame retardant, characterized by being obtained by the preparation method according to claim 1.
3. The use of the triazine-based nitrogen-phosphorus flame retardant according to claim 2, wherein the triazine-based nitrogen-phosphorus flame retardant is used for preparing a flame-retardant water-based acrylic coating.
4. The triazine-based nitrogen-phosphorus flame-retardant water-based acrylic coating is characterized by being prepared from the following raw materials in parts by mass: 100 parts of water-based acrylic emulsion, 15-25 parts of triazine-based nitrogen-phosphorus flame retardant according to claim 2, 0.5 part of defoaming agent, 0.5 part of leveling agent and 1.5 parts of thickening agent.
5. The triazine-based nitrogen-phosphorus-series flame-retardant waterborne acrylic coating as claimed in claim 4, wherein the defoaming agent is a mixture of water-increasing solid in polyethylene glycol and foam-breaking polysiloxane.
6. The triazine-based nitrogen-phosphorus flame-retardant water-based acrylic coating as claimed in claim 4, wherein the leveling agent is a fluorocarbon-modified polyacrylic acid solution.
7. The triazine-based nitrogen-phosphorus flame-retardant waterborne acrylic coating of claim 4, wherein the thickener is a modified urea solution.
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| CN202110622295.6A CN113354686B (en) | 2021-06-04 | 2021-06-04 | Triazine-based nitrogen-phosphorus flame retardant, preparation method thereof and water-based acrylic coating |
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| CN202110622295.6A CN113354686B (en) | 2021-06-04 | 2021-06-04 | Triazine-based nitrogen-phosphorus flame retardant, preparation method thereof and water-based acrylic coating |
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| CN113880882B (en) * | 2021-10-18 | 2023-07-18 | 泰州市正大化工有限公司 | Phosphorus-nitrogen photocuring flame-retardant acrylic resin, flame-retardant coating prepared from same and application thereof |
| CN117070180B (en) * | 2023-10-16 | 2024-01-16 | 山东凯恩新材料科技有限公司 | Reactive polyurethane hot melt adhesive and preparation method thereof |
| CN118109098B (en) * | 2024-01-31 | 2024-08-27 | 安徽名士达新材料有限公司 | Flame-retardant waterproof water-based paint and preparation method thereof |
| CN117877803B (en) * | 2024-03-08 | 2024-05-14 | 天津市华夏电缆有限公司 | Smoke-suppressing flame-retardant cable |
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