CN117070113A - Water-based inorganic coating with fireproof effect and preparation method thereof - Google Patents
Water-based inorganic coating with fireproof effect and preparation method thereof Download PDFInfo
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- CN117070113A CN117070113A CN202311339126.7A CN202311339126A CN117070113A CN 117070113 A CN117070113 A CN 117070113A CN 202311339126 A CN202311339126 A CN 202311339126A CN 117070113 A CN117070113 A CN 117070113A
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- talcum powder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 230000000694 effects Effects 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000011248 coating agent Substances 0.000 title claims abstract description 25
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 239000003607 modifier Substances 0.000 claims abstract description 81
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010456 wollastonite Substances 0.000 claims abstract description 63
- 229910052882 wollastonite Inorganic materials 0.000 claims abstract description 63
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 59
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 59
- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- 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 claims abstract description 26
- 238000005406 washing Methods 0.000 claims abstract description 22
- 239000003973 paint Substances 0.000 claims abstract description 19
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 18
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000839 emulsion Substances 0.000 claims abstract description 18
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 18
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims abstract description 16
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims description 49
- 238000003756 stirring Methods 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 36
- 238000001035 drying Methods 0.000 claims description 24
- 239000000395 magnesium oxide Substances 0.000 claims description 21
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 21
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 18
- 229920001661 Chitosan Polymers 0.000 claims description 13
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 12
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 12
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 12
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 6
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 6
- 235000011056 potassium acetate Nutrition 0.000 claims description 6
- 239000001509 sodium citrate Substances 0.000 claims description 6
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- 239000008117 stearic acid Substances 0.000 claims description 6
- 238000000967 suction filtration Methods 0.000 claims description 6
- 238000009210 therapy by ultrasound Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 230000000052 comparative effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 235000012222 talc Nutrition 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention relates to the technical field of inorganic paint, and in particular discloses a water-based inorganic paint with a fireproof effect and a preparation method thereof, wherein the water-based inorganic paint comprises the following raw materials in parts by weight: 25-30 parts of water, 20-30 parts of acrylic emulsion, 5-9 parts of diethanolamine, 4-7 parts of hydroxyethyl cellulose, 8-12 parts of wollastonite coordinated flaky talcum powder modifier, 4-8 parts of hydroxyapatite modifier, 4-8 parts of ethylene glycol butyl ether, 2-4 parts of silica sol and 4-8 parts of flame retardant. The water-based inorganic coating adopts water, acrylic emulsion, diethanolamine, hydroxyethyl cellulose and other raw materials for matching, and wollastonite is added to coordinate the flaky talcum powder modifier and the hydroxyapatite modifier to coordinate, so that the water-based inorganic coating is synergistic together, the flame retardance, fire resistance and adhesive force coordination of the synergistic product are optimized, and the washing resistance of the product is further improved.
Description
Technical Field
The invention relates to the technical field of water-based inorganic paint, in particular to a water-based inorganic paint with a fireproof effect and a preparation method thereof.
Background
Fireproof paint is one kind of paint with fireproof capacity, slow down the propagation speed of flame, or prevent burning in certain period. The existing fireproof paint has poor fireproof and flame-retardant performance, and meanwhile, the adhesive force of the paint is general, so that the coordination improvement of the flame retardance and the adhesive performance of the product is difficult to realize, the stability of the washing resistance of the product is poor, and the service efficiency of the product is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a water-based inorganic coating with a fireproof effect and a preparation method thereof, so as to solve the problems in the prior art.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a water-based inorganic coating with a fireproof effect, which comprises the following raw materials in parts by weight:
25-30 parts of water, 20-30 parts of acrylic emulsion, 5-9 parts of diethanolamine, 4-7 parts of hydroxyethyl cellulose, 8-12 parts of wollastonite coordinated flaky talcum powder modifier, 4-8 parts of hydroxyapatite modifier, 4-8 parts of ethylene glycol butyl ether, 2-4 parts of silica sol and 4-8 parts of flame retardant.
The inventor of the invention discovers that the performance of the product is obviously reduced without adding one of wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier, the wollastonite coordinated sheet talcum powder modifier and the hydroxyapatite modifier are cooperated and synergistic together, and the performance of the product can reach coordinated optimization.
Preferably, the water-based inorganic paint with the fireproof effect comprises the following raw materials in parts by weight:
27.5 parts of water, 25 parts of acrylic emulsion, 7 parts of diethanolamine, 5.5 parts of hydroxyethyl cellulose, 10 parts of wollastonite coordinated sheet talcum powder modifier, 6 parts of hydroxyapatite modifier, 6 parts of ethylene glycol butyl ether, 3 parts of silica sol and 6 parts of flame retardant.
Preferably, the flame retardant is prepared by mixing hexabromocyclododecane and tricresyl phosphate according to a weight ratio of 1:2.
Preferably, the preparation method of the wollastonite coordinated flaky talcum powder modifier comprises the following steps:
firstly, placing the flaky talcum powder into a lanthanum nitrate aqueous solution with the mass fraction of 5% and the total amount of 4-6 times of the flaky talcum powder for ultrasonic dispersion treatment, and carrying out suction filtration and drying after ultrasonic treatment to obtain flaky talcum powder;
adding 2-5 parts of silane coupling agent KH560 into 10-15 parts of chitosan solution, uniformly stirring, then adding 1-3 parts of yttrium nitrate solution, 0.4-0.6 part of sodium dodecyl benzene sulfonate and 2-5 parts of wollastonite, and fully stirring to obtain wollastonite coordination liquid;
and (3) sending the flaky talcum powder into wollastonite coordination liquid which is 3-5 times of the flaky talcum powder, uniformly stirring, and then washing and drying the mixture to obtain the wollastonite coordination flaky talcum powder modifier.
Preferably, the ultrasonic power of the ultrasonic dispersion treatment is 350-450W, and the ultrasonic time is 1-2h.
Preferably, the mass fraction of the chitosan solution is 4-8%; the mass fraction of the yttrium nitrate solution is 2-5%.
Preferably, the preparation method of the hydroxyapatite modifier comprises the following steps:
adding 2-4 parts of hydroxyapatite and 1-3 parts of stearic acid into 15-25 parts of sodium citrate solution with the mass fraction of 10%, and uniformly dispersing to obtain hydroxyapatite solution;
placing 2-5 parts of nano magnesium oxide into 15-25 parts of modified liquid, stirring and modifying, washing and drying after the treatment is finished to obtain modified nano magnesium oxide, stirring and mixing the modified nano magnesium oxide and hydroxyapatite liquid according to the weight ratio of 2:5 fully, washing and drying to obtain the hydroxyapatite modifier.
The inventor of the invention also discovers that wollastonite coordinated sheet talcum powder modifier does not adopt wollastonite coordinated liquid for treatment, the wollastonite coordinated liquid preparation method is different, sheet talcum powder is replaced by sheet talcum powder, modified nano magnesium oxide is not added in the preparation of hydroxyapatite modifier, the performance of the product is prone to be deteriorated, and only the wollastonite coordinated sheet talcum powder modifier and the hydroxyapatite modifier prepared by the method of the invention have the most obvious performance effect, and other methods are adopted to replace the product, so that the effect is not as obvious as the effect of the invention.
Preferably, the stirring speed of the stirring modification treatment is 450-550r/min, and the stirring time is 20-30min.
Preferably, the modifying liquid is prepared by blending 1-2 parts of potassium acetate solution with the concentration of 1-1.2mol/L and 2-4 parts of sodium silicate solution with the mass fraction of 5%.
The invention also provides a preparation method of the water-based inorganic coating with the fireproof effect, which comprises the following steps: the water, acrylic emulsion, diethanolamine, silica sol and flame retardant are stirred and mixed uniformly, wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier are stirred fully, then ethylene glycol butyl ether and hydroxyethyl cellulose are added, and finally the water-based inorganic coating is obtained.
Compared with the prior art, the invention has the following beneficial effects:
the water-based inorganic coating adopts water, acrylic emulsion, diethanolamine, hydroxyethyl cellulose and other raw materials to be matched, and wollastonite is added to coordinate the flaky talcum powder modifier and the hydroxyapatite modifier
The two are cooperated to cooperate together, the flame retardance, fire resistance and adhesive force coordination of the synergistic product are optimized, and meanwhile, the washing resistance of the product is further improved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The water-based inorganic coating with the fireproof effect comprises the following raw materials in parts by weight:
25-30 parts of water, 20-30 parts of acrylic emulsion, 5-9 parts of diethanolamine, 4-7 parts of hydroxyethyl cellulose, 8-12 parts of wollastonite coordinated flaky talcum powder modifier, 4-8 parts of hydroxyapatite modifier, 4-8 parts of ethylene glycol butyl ether, 2-4 parts of silica sol and 4-8 parts of flame retardant.
The water-based inorganic paint with the fireproof effect comprises the following raw materials in parts by weight:
27.5 parts of water, 25 parts of acrylic emulsion, 7 parts of diethanolamine, 5.5 parts of hydroxyethyl cellulose, 10 parts of wollastonite coordinated sheet talcum powder modifier, 6 parts of hydroxyapatite modifier, 6 parts of ethylene glycol butyl ether, 3 parts of silica sol and 6 parts of flame retardant.
The flame retardant of the embodiment is prepared by mixing hexabromocyclododecane and tricresyl phosphate according to the weight ratio of 1:2.
The preparation method of the wollastonite coordinated flaky talcum powder modifier in the embodiment comprises the following steps:
firstly, placing the flaky talcum powder into a lanthanum nitrate aqueous solution with the mass fraction of 5% and the total amount of 4-6 times of the flaky talcum powder for ultrasonic dispersion treatment, and carrying out suction filtration and drying after ultrasonic treatment to obtain flaky talcum powder;
adding 2-5 parts of silane coupling agent KH560 into 10-15 parts of chitosan solution, uniformly stirring, then adding 1-3 parts of yttrium nitrate solution, 0.4-0.6 part of sodium dodecyl benzene sulfonate and 2-5 parts of wollastonite, and fully stirring to obtain wollastonite coordination liquid;
and (3) sending the flaky talcum powder into wollastonite coordination liquid which is 3-5 times of the flaky talcum powder, uniformly stirring, and then washing and drying the mixture to obtain the wollastonite coordination flaky talcum powder modifier.
The ultrasonic power of the ultrasonic dispersion treatment of the embodiment is 350-450W, and the ultrasonic time is 1-2h.
The mass fraction of the chitosan solution in the embodiment is 4-8%; the mass fraction of the yttrium nitrate solution is 2-5%.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
adding 2-4 parts of hydroxyapatite and 1-3 parts of stearic acid into 15-25 parts of sodium citrate solution with the mass fraction of 10%, and uniformly dispersing to obtain hydroxyapatite solution;
placing 2-5 parts of nano magnesium oxide into 15-25 parts of modified liquid, stirring and modifying, washing and drying after the treatment is finished to obtain modified nano magnesium oxide, stirring and mixing the modified nano magnesium oxide and hydroxyapatite liquid according to the weight ratio of 2:5 fully, washing and drying to obtain the hydroxyapatite modifier.
The stirring speed of the stirring modification treatment is 450-550r/min, and the stirring time is 20-30min.
The modified liquid of the embodiment is prepared by blending 1-2 parts of potassium acetate solution with the concentration of 1-1.2mol/L and 2-4 parts of sodium silicate solution with the mass fraction of 5%.
The preparation method of the water-based inorganic coating with the fireproof effect comprises the following steps of: the water, acrylic emulsion, diethanolamine, silica sol and flame retardant are stirred and mixed uniformly, wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier are stirred fully, then ethylene glycol butyl ether and hydroxyethyl cellulose are added, and finally the water-based inorganic coating is obtained.
Example 1
The water-based inorganic coating with the fireproof effect comprises the following raw materials in parts by weight:
25 parts of water, 20 parts of acrylic emulsion, 5 parts of diethanolamine, 4 parts of hydroxyethyl cellulose, 8 parts of wollastonite coordinated flaky talcum powder modifier, 4 parts of hydroxyapatite modifier, 4 parts of ethylene glycol butyl ether, 2 parts of silica sol and 4 parts of flame retardant.
The flame retardant of the embodiment is prepared by mixing hexabromocyclododecane and tricresyl phosphate according to the weight ratio of 1:2.
The preparation method of the wollastonite coordinated flaky talcum powder modifier in the embodiment comprises the following steps:
firstly, placing the flaky talcum powder into a lanthanum nitrate aqueous solution with the mass fraction of 5% and the total amount of 4 times of the flaky talcum powder for ultrasonic dispersion treatment, and carrying out suction filtration and drying after ultrasonic treatment to obtain flaky talcum powder;
adding 2 parts of silane coupling agent KH560 into 10 parts of chitosan solution, uniformly stirring, then adding 1 part of yttrium nitrate solution, 0.4 part of sodium dodecyl benzene sulfonate and 2 parts of wollastonite, and fully stirring to obtain wollastonite coordination liquid;
and (3) sending the flaky talcum powder into wollastonite coordination liquid which is 3 times of the flaky talcum powder, uniformly stirring, and then washing and drying the mixture to obtain the wollastonite coordination flaky talcum powder modifier.
The ultrasonic power of the ultrasonic dispersion treatment in this embodiment was 350W, and the ultrasonic time was 1h.
The mass fraction of the chitosan solution of this example was 4%; the mass fraction of the yttrium nitrate solution is 2%.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
adding 2 parts of hydroxyapatite and 1 part of stearic acid into 15 parts of sodium citrate solution with the mass fraction of 10%, and uniformly dispersing to obtain a hydroxyapatite solution;
and (3) placing 2 parts of nano magnesium oxide into 15 parts of modified liquid, stirring and modifying, washing and drying after the treatment is finished to obtain modified nano magnesium oxide, stirring and mixing the modified nano magnesium oxide and the hydroxyapatite liquid according to the weight ratio of 2:5 fully, washing and drying to obtain the hydroxyapatite modifier.
The stirring speed of the stirring modification treatment in this example was 450r/min, and the stirring time was 20min.
The modified liquid of this example was prepared by mixing 1 part of potassium acetate solution with a concentration of 1mol/L and 2 parts of sodium silicate solution with a mass fraction of 5%.
The preparation method of the water-based inorganic coating with the fireproof effect comprises the following steps of: the water, acrylic emulsion, diethanolamine, silica sol and flame retardant are stirred and mixed uniformly, wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier are stirred fully, then ethylene glycol butyl ether and hydroxyethyl cellulose are added, and finally the water-based inorganic coating is obtained.
Example 2
The water-based inorganic coating with the fireproof effect comprises the following raw materials in parts by weight:
30 parts of water, 30 parts of acrylic emulsion, 9 parts of diethanolamine, 7 parts of hydroxyethyl cellulose, 12 parts of wollastonite coordinated flaky talcum powder modifier, 8 parts of hydroxyapatite modifier, 8 parts of ethylene glycol butyl ether, 4 parts of silica sol and 8 parts of flame retardant.
The flame retardant of the embodiment is prepared by mixing hexabromocyclododecane and tricresyl phosphate according to the weight ratio of 1:2.
The preparation method of the wollastonite coordinated flaky talcum powder modifier in the embodiment comprises the following steps:
firstly, placing the flaky talcum powder into a lanthanum nitrate aqueous solution with the mass fraction of 5% and the total amount of the flaky talcum powder of 6 times for ultrasonic dispersion treatment, and after ultrasonic treatment, carrying out suction filtration and drying to obtain flaky talcum powder;
adding 5 parts of silane coupling agent KH560 into 15 parts of chitosan solution, uniformly stirring, then adding 3 parts of yttrium nitrate solution, 0.6 part of sodium dodecyl benzene sulfonate and 5 parts of wollastonite, and fully stirring to obtain wollastonite coordination liquid;
and (3) sending the flaky talcum powder into wollastonite coordination liquid which is 5 times of the flaky talcum powder, uniformly stirring, and then washing and drying to obtain the wollastonite coordination flaky talcum powder modifier.
The ultrasonic power of the ultrasonic dispersion treatment in this embodiment was 450W, and the ultrasonic time was 2h.
The mass fraction of the chitosan solution of the embodiment is 8%; the mass fraction of the yttrium nitrate solution is 5%.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
adding 4 parts of hydroxyapatite and 3 parts of stearic acid into 25 parts of sodium citrate solution with the mass fraction of 10%, and uniformly dispersing to obtain a hydroxyapatite solution;
and (3) placing 5 parts of nano magnesium oxide into 25 parts of modified liquid, stirring and modifying, washing and drying after the treatment is finished to obtain modified nano magnesium oxide, stirring and mixing the modified nano magnesium oxide and the hydroxyapatite liquid according to the weight ratio of 2:5 fully, washing and drying to obtain the hydroxyapatite modifier.
The stirring speed of the stirring modification treatment in this example was 550r/min, and the stirring time was 30min.
The modified liquid of this example was prepared by mixing 2 parts by weight of a potassium acetate solution having a concentration of 1.2mol/L and 4 parts by weight of a sodium silicate solution having a mass fraction of 5%.
The preparation method of the water-based inorganic coating with the fireproof effect comprises the following steps of: the water, acrylic emulsion, diethanolamine, silica sol and flame retardant are stirred and mixed uniformly, wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier are stirred fully, then ethylene glycol butyl ether and hydroxyethyl cellulose are added, and finally the water-based inorganic coating is obtained.
Example 3
The water-based inorganic coating with the fireproof effect comprises the following raw materials in parts by weight:
27.5 parts of water, 25 parts of acrylic emulsion, 7 parts of diethanolamine, 5.5 parts of hydroxyethyl cellulose, 10 parts of wollastonite coordinated sheet talcum powder modifier, 6 parts of hydroxyapatite modifier, 6 parts of ethylene glycol butyl ether, 3 parts of silica sol and 6 parts of flame retardant.
The flame retardant of the embodiment is prepared by mixing hexabromocyclododecane and tricresyl phosphate according to the weight ratio of 1:2.
The preparation method of the wollastonite coordinated flaky talcum powder modifier in the embodiment comprises the following steps:
firstly, placing the flaky talcum powder into a 5% lanthanum nitrate aqueous solution with the mass fraction of 5 times of the total flaky talcum powder for ultrasonic dispersion treatment, and carrying out suction filtration and drying after ultrasonic treatment to obtain flaky talcum powder;
adding 3.5 parts of a silane coupling agent KH560 into 12.5 parts of chitosan solution, uniformly stirring, adding 2 parts of yttrium nitrate solution, 0.5 part of sodium dodecyl benzene sulfonate and 3.5 parts of wollastonite, and stirring fully to obtain wollastonite coordination liquid;
and (3) sending the flaky talcum powder into wollastonite coordination liquid of 4 times, stirring uniformly, and then washing and drying to obtain the wollastonite coordination flaky talcum powder modifier.
The ultrasonic power of the ultrasonic dispersion treatment of this example was 400W and the ultrasonic time was 1.5h.
The mass fraction of the chitosan solution of the embodiment is 6%; the mass fraction of the yttrium nitrate solution is 3.5%.
The preparation method of the hydroxyapatite modifier of the embodiment comprises the following steps:
adding 3 parts of hydroxyapatite and 2 parts of stearic acid into 20 parts of sodium citrate solution with the mass fraction of 10%, and uniformly dispersing to obtain a hydroxyapatite solution;
and (3) placing 3.5 parts of nano magnesium oxide into 20 parts of modified liquid, stirring and modifying, washing and drying after the treatment is finished to obtain modified nano magnesium oxide, stirring and mixing the modified nano magnesium oxide and hydroxyapatite liquid according to the weight ratio of 2:5, washing and drying to obtain the hydroxyapatite modifier.
The stirring speed of the stirring modification treatment in this example was 500r/min, and the stirring time was 25min.
The modified liquid of this example was prepared by mixing 1.5 parts by weight of a potassium acetate solution having a concentration of 1.1mol/L and 3 parts by weight of a sodium silicate solution having a mass fraction of 5%.
The preparation method of the water-based inorganic coating with the fireproof effect comprises the following steps of: the water, acrylic emulsion, diethanolamine, silica sol and flame retardant are stirred and mixed uniformly, wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier are stirred fully, then ethylene glycol butyl ether and hydroxyethyl cellulose are added, and finally the water-based inorganic coating is obtained.
Comparative example 1.
The difference from example 3 is that wollastonite-coordinated platy talc modifier is not added.
Comparative example 2.
The difference from example 3 is that the wollastonite-modified flaky talc is not treated with wollastonite-modified liquid.
Comparative example 3.
The difference from example 3 is that wollastonite coordination liquid is prepared; 3.5 parts of silane coupling agent KH560 is added into 12.5 parts of chitosan solution, uniformly stirred, then 3.5 parts of wollastonite is added, and the stirring is sufficient.
Comparative example 4.
The difference from example 3 is that the talc powder in tablet form is replaced by talc in tablet form.
Comparative example 5.
Unlike example 3, no hydroxyapatite modifier was added.
Comparative example 6.
The difference from example 3 is that no modified nano magnesium oxide was added in the preparation of the hydroxyapatite modifier.
The performance measurements for examples 1-3 and comparative examples 1-6 are as follows:
the products of the invention have excellent flame-retardant and adhesive strength effects, and simultaneously the flame-retardant and adhesive strength can achieve a coordination effect, the prepared products can realize the coordination significant improvement of the flame-retardant and adhesive strength, and the products have excellent washing resistance stability; one of the wollastonite coordinated sheet talcum powder modifier and the hydroxyapatite modifier is not added, the performance of the product is obviously reduced, the wollastonite coordinated sheet talcum powder modifier and the hydroxyapatite modifier are cooperated to cooperate to realize synergistic effect, and the performance of the product can be optimized in a coordinated manner;
meanwhile, the wollastonite coordinated sheet talcum powder modifier is not treated by the wollastonite coordinated liquid, the preparation method of the wollastonite coordinated liquid is different, the sheet talcum powder is replaced by the sheet talcum powder, no modified nano magnesium oxide is added in the preparation of the hydroxyapatite modifier, the performance of the product is prone to deterioration, and the performance effects of the wollastonite coordinated sheet talcum powder modifier and the hydroxyapatite modifier prepared by the method are most remarkable, and the effect is not as remarkable as that of the wollastonite coordinated sheet talcum powder modifier and the hydroxyapatite modifier prepared by the method of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The water-based inorganic coating with the fireproof effect is characterized by comprising the following raw materials in parts by weight:
25-30 parts of water, 20-30 parts of acrylic emulsion, 5-9 parts of diethanolamine, 4-7 parts of hydroxyethyl cellulose, 8-12 parts of wollastonite coordinated flaky talcum powder modifier, 4-8 parts of hydroxyapatite modifier, 4-8 parts of ethylene glycol butyl ether, 2-4 parts of silica sol and 4-8 parts of flame retardant.
2. The water-based inorganic paint with the fireproof effect according to claim 1, wherein the water-based inorganic paint with the fireproof effect comprises the following raw materials in parts by weight:
27.5 parts of water, 25 parts of acrylic emulsion, 7 parts of diethanolamine, 5.5 parts of hydroxyethyl cellulose, 10 parts of wollastonite coordinated sheet talcum powder modifier, 6 parts of hydroxyapatite modifier, 6 parts of ethylene glycol butyl ether, 3 parts of silica sol and 6 parts of flame retardant.
3. The water-based inorganic paint with the fireproof effect as claimed in claim 1, wherein the flame retardant is prepared by mixing hexabromocyclododecane and tricresyl phosphate according to a weight ratio of 1:2.
4. The water-based inorganic paint with fireproof effect as claimed in claim 1, wherein the preparation method of the wollastonite coordinated flaky talcum powder modifier is as follows:
firstly, placing the flaky talcum powder into a 5% lanthanum nitrate aqueous solution with the mass fraction of 4-6 times of the total flaky talcum powder, performing ultrasonic dispersion treatment, performing suction filtration and drying after ultrasonic treatment to obtain flaky talcum powder;
adding 2-5 parts by weight of silane coupling agent KH560 into 10-15 parts by weight of chitosan solution, uniformly stirring, then adding 1-3 parts by weight of yttrium nitrate solution, 0.4-0.6 part by weight of sodium dodecyl benzene sulfonate and 2-5 parts by weight of wollastonite, and fully stirring to obtain wollastonite coordination liquid;
and (3) sending the flaky talcum powder into wollastonite coordination liquid with the weight being 3-5 times of that of the flaky talcum powder, uniformly stirring, and then washing and drying to obtain the wollastonite coordination flaky talcum powder modifier.
5. The fire-retardant aqueous inorganic paint according to claim 4, wherein the ultrasonic power of the ultrasonic dispersion treatment is 350-450W and the ultrasonic time is 1-2h.
6. The fireproof aqueous inorganic coating according to claim 4, wherein the mass fraction of the chitosan solution is 4-8%; the mass fraction of the yttrium nitrate solution is 2-5%.
7. The water-based inorganic paint with fireproof effect as claimed in claim 1, wherein the preparation method of the hydroxyapatite modifier is as follows:
adding 2-4 parts by weight of hydroxyapatite and 1-3 parts by weight of stearic acid into 15-25 parts by weight of 10% sodium citrate solution, and uniformly dispersing to obtain hydroxyapatite solution;
placing 2-5 parts by weight of nano magnesium oxide into 15-25 parts by weight of modified liquid, stirring and modifying, washing and drying after the treatment is finished to obtain modified nano magnesium oxide, stirring and mixing the modified nano magnesium oxide and hydroxyapatite liquid according to the weight ratio of 2:5 fully, washing and drying to obtain the hydroxyapatite modifier.
8. The fire-retardant aqueous inorganic paint according to claim 7, wherein the stirring speed of the stirring modification treatment is 450-550r/min and the stirring time is 20-30min.
9. The fireproof water-based inorganic paint according to claim 7, wherein the modifying liquid is prepared by mixing 1-2 parts by weight of 1-1.2mol/L potassium acetate solution and 2-4 parts by weight of 5% sodium silicate solution.
10. The preparation method of the water-based inorganic coating with the fireproof effect is characterized by comprising the following steps of: the water, acrylic emulsion, diethanolamine, silica sol and flame retardant are stirred and mixed uniformly, wollastonite coordinated sheet talcum powder modifier and hydroxyapatite modifier are stirred fully, then ethylene glycol butyl ether and hydroxyethyl cellulose are added, and finally the water-based inorganic coating is obtained.
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