CN107418254B - Hydrophobic solid powder dispersion material and application thereof - Google Patents
Hydrophobic solid powder dispersion material and application thereof Download PDFInfo
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- CN107418254B CN107418254B CN201710660395.1A CN201710660395A CN107418254B CN 107418254 B CN107418254 B CN 107418254B CN 201710660395 A CN201710660395 A CN 201710660395A CN 107418254 B CN107418254 B CN 107418254B
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- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 117
- 239000000843 powder Substances 0.000 title claims abstract description 101
- 239000007787 solid Substances 0.000 title claims abstract description 77
- 239000000463 material Substances 0.000 title claims abstract description 60
- 239000006185 dispersion Substances 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000004094 surface-active agent Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 16
- 230000000996 additive effect Effects 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000012774 insulation material Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 46
- 238000003756 stirring Methods 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 31
- 239000000377 silicon dioxide Substances 0.000 claims description 22
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 claims description 16
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 16
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 16
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 claims description 16
- 239000000440 bentonite Substances 0.000 claims description 14
- 229910000278 bentonite Inorganic materials 0.000 claims description 14
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 14
- 229910021538 borax Inorganic materials 0.000 claims description 14
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 14
- 239000004327 boric acid Substances 0.000 claims description 14
- 235000010338 boric acid Nutrition 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 14
- 239000004405 propyl p-hydroxybenzoate Substances 0.000 claims description 14
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 claims description 14
- 239000004328 sodium tetraborate Substances 0.000 claims description 14
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 239000011344 liquid material Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- 239000003755 preservative agent Substances 0.000 claims description 8
- 230000002335 preservative effect Effects 0.000 claims description 8
- 229920003086 cellulose ether Polymers 0.000 claims description 6
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 6
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 6
- ZHALDANPYXAMJF-UHFFFAOYSA-N octadecanoate;tris(2-hydroxyethyl)azanium Chemical compound OCC[NH+](CCO)CCO.CCCCCCCCCCCCCCCCCC([O-])=O ZHALDANPYXAMJF-UHFFFAOYSA-N 0.000 claims description 6
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 6
- 229940029614 triethanolamine stearate Drugs 0.000 claims description 6
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 4
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 claims description 4
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000004288 Sodium dehydroacetate Substances 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 239000004330 calcium propionate Substances 0.000 claims description 4
- 235000010331 calcium propionate Nutrition 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 239000004302 potassium sorbate Substances 0.000 claims description 4
- 235000010241 potassium sorbate Nutrition 0.000 claims description 4
- 229940069338 potassium sorbate Drugs 0.000 claims description 4
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 4
- 239000004299 sodium benzoate Substances 0.000 claims description 4
- 235000010234 sodium benzoate Nutrition 0.000 claims description 4
- 235000019259 sodium dehydroacetate Nutrition 0.000 claims description 4
- 229940079839 sodium dehydroacetate Drugs 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- 239000001540 sodium lactate Substances 0.000 claims description 4
- 235000011088 sodium lactate Nutrition 0.000 claims description 4
- 229940005581 sodium lactate Drugs 0.000 claims description 4
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 4
- DSOWAKKSGYUMTF-GZOLSCHFSA-M sodium;(1e)-1-(6-methyl-2,4-dioxopyran-3-ylidene)ethanolate Chemical compound [Na+].C\C([O-])=C1/C(=O)OC(C)=CC1=O DSOWAKKSGYUMTF-GZOLSCHFSA-M 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- LDHKWQLYKFRNPH-UHFFFAOYSA-N hexadecylazanium phosphate Chemical compound [O-]P([O-])([O-])=O.CCCCCCCCCCCCCCCC[NH3+].CCCCCCCCCCCCCCCC[NH3+].CCCCCCCCCCCCCCCC[NH3+] LDHKWQLYKFRNPH-UHFFFAOYSA-N 0.000 claims description 3
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 3
- 239000004965 Silica aerogel Substances 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 2
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 2
- 229960003415 propylparaben Drugs 0.000 claims description 2
- 229960003885 sodium benzoate Drugs 0.000 claims description 2
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 2
- 239000002904 solvent Substances 0.000 abstract description 6
- -1 building coatings Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 description 17
- 239000004964 aerogel Substances 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 238000004806 packaging method and process Methods 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 239000012855 volatile organic compound Substances 0.000 description 5
- 239000004966 Carbon aerogel Substances 0.000 description 4
- 235000012216 bentonite Nutrition 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- SQYHYNXCNFIANK-UHFFFAOYSA-N diazanium;hexadecyl phosphate Chemical compound N.N.CCCCCCCCCCCCCCCCOP(O)(O)=O SQYHYNXCNFIANK-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a hydrophobic solid powder dispersion material and application thereof, and relates to the technical field of new materials. The hydrophobic solid powder dispersion material is prepared from the following raw materials in parts by weight: 800-1200 parts of water, 10-1000 parts of hydrophobic solid powder, 1-100 parts of surfactant and 0-22 parts of additive. The dispersion material does not contain harmful solvents, has good dispersibility and stability, is convenient to transport and use, is harmless to human bodies, and protects the environment. The hydrophobic solid powder dispersion material has good hydrophobicity, and can be applied to the fields of heat insulation materials, building coatings, concrete and the like.
Description
Technical Field
The invention relates to the technical field of new materials, and particularly relates to a hydrophobic solid powder dispersion material and application thereof.
Background
Hydrophobic solid powder is more and more widely applied to the fields of heat insulation materials, coatings and surface treatment requiring lotus leaf hydrophobic effect on the surface. The hydrophobic solid powder has strong hydrophobic effect and is completely incompatible with water, so that the hydrophobic solid powder cannot be dispersed in water, a solvent is required to be used for obtaining good dispersion, and the hydrophobic solid powder with good dispersion has practical application value. However, the introduction of the solvent causes the standard exceeding of Volatile Organic Compounds (VOC) of the material, and the volatile organic compounds are emitted in the air, so that the environment is polluted, and the health of people, animals and plants is harmed. Today, with ever more stringent environmental requirements, solvent use is limited unprecedentedly, and many solvent-based coatings and other solvent-intensive formulations and processes are subject to overall downtime. Therefore, the new dispersion material has not been paid attention so far, and this is an inevitable choice for the future industrial development.
Disclosure of Invention
The invention aims to provide a hydrophobic solid powder dispersion material, which does not contain harmful solvents, has good dispersibility and stability, is convenient to transport and use, is harmless to human bodies and protects the environment.
The invention also aims to provide application of the hydrophobic solid powder dispersion material in preparation of heat insulation materials, building coatings and concrete.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The invention provides a hydrophobic solid powder dispersion material, which comprises the following raw materials in parts by weight: 800-1200 parts of water, 10-1000 parts of hydrophobic solid powder, 1-100 parts of surfactant and 0-22 parts of additive.
The invention provides application of the hydrophobic solid powder dispersion material in preparation of heat insulation materials, building coatings and concrete.
The hydrophobic solid powder dispersion material and the application thereof provided by the invention have the beneficial effects that:
a hydrophobic solid powder dispersing material uses water, hydrophobic solid powder, surfactant and additive as raw materials, contains no organic solvent, and does not cause the standard exceeding of volatile organic compounds and environmental pollution. The hydrophobic solid powder dispersion material has good dispersibility and stability, is uniformly dispersed without layering, can be stored for at least 6 months, is convenient to transport and use, and has good application prospect and economic benefit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The following is a detailed description of a hydrophobic solid powder dispersion material and its application according to an embodiment of the present invention.
The hydrophobic solid powder dispersion material provided by the embodiment of the invention comprises the following raw materials in parts by weight: 800-1200 parts of water, 10-1000 parts of hydrophobic solid powder, 1-100 parts of surfactant and 0-22 parts of additive. Preferably, the water is 820 parts, 890 parts, 965 parts, 105 parts and 110 parts, the hydrophobic solid powder is 35 parts, 690 parts, 750 parts, 855 parts and 925 parts, the surfactant is 2 parts, 54 parts, 75 parts, 67 parts and 89 parts, and the additive is 3 parts, 18 parts, 13 parts, 17 parts and 21 parts.
Further, in a preferred embodiment of the present invention, the raw materials comprise: 800-1200 parts of water, 50-500 parts of hydrophobic solid powder, 5-20 parts of surfactant and 4-10 parts of additive. Preferably, the hydrophobic solid powder is 78 parts, 124 parts, 209 parts, 311 parts and 453 parts, the surfactant is 6 parts, 9 parts, 13 parts, 15 parts and 18 parts, and the additive is 5 parts, 6 parts and 7 parts.
Hydrophobic solid powder, i.e. solid powder insoluble in water. The hydrophobic solid powder has wide application in the fields of heat insulation materials, coatings and surface treatment, and in the invention, the hydrophobic solid powder comprises any one or at least two of hydrophobic silicon dioxide, hydrophobic silicon aerogel and hydrophobic carbon aerogel.
Hydrophobic silica is also known as silane-treated silica or surface-treated silica. White amorphous fine powder, hydrophobic, insoluble in water and acid. No toxicity, no smell, no corrosion, no combustion and no oxidation. Can be used as reinforcing agent of white rubber products, plastic filler, ink thickening agent and anti-caking agent of dry powder fire extinguishing agent.
The hydrophobic silicon aerogel and the hydrophobic carbon aerogel are both water-insoluble solids, have the characteristics of light weight, good heat insulation property and high porosity, and have a plurality of unique properties.
In order to increase the binding of the hydrophobic solid powder to water, the starting material of the present invention also comprises a surfactant. The surfactant can change the interface state of the aqueous solution and has a hydrophilic group and a hydrophobic group. When the hydrophobic solid powder and the surfactant are dissolved in water, the surfactant helps to increase the dispersion of the hydrophobic solid powder in the aqueous solution.
Further, in a preferred embodiment of the present invention, the surfactant includes any one or at least two of sodium stearate, sodium dodecylbenzenesulfonate, dodecylphenol polyoxyethylene ether, triethanolamine stearate, and hexadecylammonium phosphate. The above surfactants, particularly when used in combination, can significantly increase the dispersibility of the hydrophobic solid powder in water.
The dispersion material is often transported and stored in practice, and in order to obtain a material with better dispersion performance, the raw materials also comprise additives. Specifically, the additive comprises 0-10 parts of pH stabilizer, 0-10 parts of viscosity regulator and 0-2 parts of preservative. Preferably, the pH stabilizer is 4 parts, 7 parts and 8 parts, and the viscosity regulator is 1 part, 7 parts and 9 parts.
Further, in a preferred embodiment of the present invention, the additive comprises 1-3 parts of a pH stabilizer, 2-5 parts of a viscosity modifier, and 1-2 parts of a preservative. Preferably, the pH stabilizer is 2 parts, the viscosity regulator is 3 parts and 4 parts, and the preservative is 1 part and 1.5 parts.
The pH stabilizer is used for adjusting the pH value of the system, and in the embodiment of the invention, the pH value of the system is adjusted to 7-8 by the pH stabilizer, so that the surfactant can better play a role, and the dispersibility of the solid powder is improved. Further, in a preferred embodiment of the present invention, the pH stabilizer includes any one or at least two of disodium hydrogen phosphate, citric acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, boric acid, and borax.
The viscosity regulator is used for regulating the viscosity of the system, the viscosity increase is beneficial to the dispersion and the stability of the solid powder, and in the embodiment of the invention, the viscosity of the viscosity regulator regulating system is 1000-5000 cP. Further, in a preferred embodiment of the present invention, the viscosity modifier comprises any one or at least two of bentonite, polyethylene glycol, starch ether, cellulose ether, and polyvinyl alcohol.
In the embodiment of the invention, in order to prolong the storage time of the dispersion material and facilitate transportation and use, the raw material also comprises a preservative. Further, in a preferred embodiment of the present invention, the preservative comprises any one or at least two of sodium benzoate, potassium sorbate, sodium dehydroacetate, propyl paraben, calcium propionate, sodium lactate.
The hydrophobic solid powder dispersion material is generally prepared by mixing the raw materials.
As an implementation mode, the hydrophobic solid powder, the surfactant and the additive are added into water according to the proportion, and the mixture is uniformly mixed and stirred.
As another implementation, the hydrophobic solid powder and the surfactant are weighed and mixed by a mixer. Specifically, the mixing speed is 400rpm, and the mixing time is 5-10 minutes. After the mixture is uniformly mixed, the mixture is ground by an airflow mill, and the particle size of the ground mixture is less than 5 mu m, so that the dispersibility of the hydrophobic solid powder is better.
And mixing the water and the additive by adopting a high-speed liquid material stirrer. Adding water, a pH stabilizer, a viscosity regulator and a preservative into a stirring cylinder in proportion, and uniformly stirring for 5-10 minutes to ensure that the pH value of the mixed solution is 7-8 and the viscosity is 1000-5000 cP.
And adding the ground mixture into the mixed solution, stirring for 20-60 minutes, metering and packaging.
The hydrophobic solid powder dispersion material provided by the invention has a low normal-temperature heat conductivity coefficient and a complete hydrophobic effect, and can be applied to preparation of heat insulation materials, building coatings and concrete. The heat-insulating material prepared from the superfine hydrophobic solid powder or the hydrophobic solid powder has extremely low normal-temperature heat conductivity coefficient which can be as low as 0.018W/(m.K) and is far lower than the heat conductivity coefficient of 0.025W/(m.K) of static air, and is a super heat-insulating material with excellent performance. The building paint prepared from the hydrophobic solid powder dispersing material has lotus effect and self-cleaning effect on the surface, water drops can roll on the surface without leaving water marks, and meanwhile, dust on the surface can be taken away, so that the surface is bright and clean as new throughout the year. The concrete prepared from the hydrophobic solid powder dispersion material has a hydrophobic effect from inside to outside, can prevent rainwater, underground water or seawater from corroding the concrete, and is increasingly widely applied to the fields of building outer walls, underground buildings, breakwaters and the like.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
800 parts of water, 10 parts of hydrophobic silicon dioxide and 1 part of dodecyl phenol polyoxyethylene ether.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide and dodecyl phenol polyoxyethylene ether are uniformly mixed according to the formula proportion by a high-speed powder mixer for 10 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
sequentially adding water with the formula amount into a stirring cylinder of a high-speed liquid material stirrer;
adding the ground powder into water according to a formula ratio, uniformly dispersing, and stirring for 60 minutes;
and (4) metering and packaging the mixed materials.
Example 2
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 1000 parts of hydrophobic aerogel, 100 parts of triethanolamine stearate, 9.23 parts of disodium hydrogen phosphate, 0.77 part of citric acid, 10 parts of polyethylene glycol and 2 parts of sodium dehydroacetate.
The preparation method mainly comprises the following steps:
and (3) uniformly mixing the hydrophobic silica aerogel and the triethanolamine stearate according to the formula proportion by using a high-speed powder mixer for 5 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
sequentially adding water, disodium hydrogen phosphate, citric acid, polyethylene glycol and sodium dehydroacetate in formula amount into a stirring cylinder of a high-speed liquid material stirrer, uniformly stirring for 5 minutes, adjusting the pH value to 7.6 and adjusting the viscosity to 1000 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 20 minutes;
and (4) metering and packaging the mixed materials.
Example 3
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1200 parts of water, 50 parts of hydrophobic carbon aerogel, 3 parts of triethanolamine stearate, 2 parts of dodecyl phenol polyoxyethylene ether, 0.92 part of disodium hydrogen phosphate, 0.08 part of potassium dihydrogen phosphate, 0.5 part of bentonite, 1.5 parts of starch ether and 1 part of propyl p-hydroxybenzoate.
The preparation method mainly comprises the following steps:
uniformly mixing hydrophobic carbon aerogel, dodecyl phenol polyoxyethylene ether and triethanolamine stearate according to a formula proportion by using a high-speed powder mixer for 6 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
sequentially adding water, disodium hydrogen phosphate, potassium dihydrogen phosphate, bentonite, starch ether and propyl p-hydroxybenzoate in formula amount into a stirring cylinder of a high-speed liquid material stirrer, uniformly stirring for 9 minutes, adjusting the pH value to 7.7 and adjusting the viscosity to 1200 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 40 minutes;
and (4) metering and packaging the mixed materials.
Example 4
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 400 parts of hydrophobic silicon dioxide, 100 parts of hydrophobic silicon aerogel, 20 parts of ammonium hexadecylphosphate, 1.79 parts of boric acid, 1.21 parts of borax, 4 parts of cellulose, 1 part of bentonite, 1 part of calcium propionate and 1 part of propyl p-hydroxybenzoate.
The preparation method mainly comprises the following steps:
and (3) uniformly mixing the hydrophobic silicon dioxide, the hydrophobic silicon aerogel and the hexadecyl ammonium phosphate according to the formula proportion by using a high-speed powder mixer for 8 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
adding water, boric acid, borax, bentonite, cellulose, calcium propionate and propyl p-hydroxybenzoate in formula amount into a stirring cylinder of a high-speed liquid material stirrer in sequence, stirring uniformly for 8 minutes, adjusting the pH value to 8, and adjusting the viscosity to 5000 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 45 minutes;
and (4) metering and packaging the mixed materials.
Example 5
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 400 parts of hydrophobic silicon dioxide, 15 parts of sodium dodecyl benzene sulfonate, 1.3 parts of disodium hydrogen phosphate, 0.7 part of potassium dihydrogen phosphate, 1 part of bentonite, 3 parts of polyvinyl alcohol and 1.5 parts of potassium sorbate.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide and sodium dodecyl benzene sulfonate are uniformly mixed by a high-speed powder mixer according to the formula proportion, and the mixing time is 9 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
adding water, disodium hydrogen phosphate, potassium dihydrogen phosphate, bentonite, polyvinyl alcohol and potassium sorbate in formula amount into a stirring cylinder of a high-speed liquid material stirrer in sequence, uniformly stirring for 9 minutes, adjusting the pH value to 7 and the viscosity to 3000 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 48 minutes;
and (4) metering and packaging the mixed materials.
Example 6
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 300 parts of hydrophobic silicon dioxide, 3 parts of sodium stearate, 11 parts of dodecylphenol polyoxyethylene ether, 1.43 parts of boric acid, 0.57 part of borax, 4 parts of polyvinyl alcohol, 1 part of sodium benzoate and 0.3 part of sodium lactate.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide, dodecyl phenol polyoxyethylene ether and sodium stearate are uniformly mixed by a high-speed powder mixer according to the formula proportion, and the mixing time is 8 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
adding water, boric acid, borax, polyvinyl alcohol, sodium benzoate and sodium lactate into a stirring cylinder of a high-speed liquid material stirrer in the formula ratio in sequence, uniformly stirring for 9 minutes, adjusting the pH value to 7.8 and the viscosity to 3500 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 42 minutes;
and (4) metering and packaging the mixed materials.
Example 7
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 300 parts of hydrophobic silicon dioxide, 50 parts of hydrophobic aerogel, 18 parts of dodecylphenol polyoxyethylene ether, 1.43 parts of boric acid, 0.57 part of borax, 4 parts of polyvinyl alcohol and 1.8 parts of propyl p-hydroxybenzoate.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide, hydrophobic silicon aerogel and dodecyl phenol polyoxyethylene ether are uniformly mixed by a high-speed powder mixer according to the formula proportion, and the mixing time is 7.5 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
adding water, boric acid, borax, polyvinyl alcohol and propyl p-hydroxybenzoate in formula amount into a stirring cylinder of a high-speed liquid material stirrer in sequence, stirring uniformly for 8 minutes, adjusting the pH value to 7.8 and adjusting the viscosity to 3500 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 40 minutes;
and (4) metering and packaging the mixed materials.
Example 8
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 340 parts of hydrophobic silicon dioxide, 60 parts of hydrophobic silicon aerogel, 16 parts of dodecylphenol polyoxyethylene ether, 1.43 parts of boric acid, 0.57 part of borax, 4 parts of bentonite alcohol and 1.5 parts of propyl p-hydroxybenzoate.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide, hydrophobic silicon aerogel and dodecyl phenol polyoxyethylene ether are uniformly mixed by a high-speed powder mixer according to the formula proportion, and the mixing time is 7 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
adding water, boric acid, borax, bentonite and propyl p-hydroxybenzoate in formula amount into a stirring cylinder of a high-speed liquid material stirrer in sequence, stirring uniformly for 7 minutes, adjusting the pH value to 7.8 and adjusting the viscosity to 2400 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 45 minutes;
and (4) metering and packaging the mixed materials.
Example 9
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 280 parts of hydrophobic silicon dioxide, 100 parts of hydrophobic silicon aerogel, 16 parts of dodecylphenol polyoxyethylene ether, 1.43 parts of boric acid, 0.57 part of borax, 3 parts of bentonite, 2 parts of cellulose ether and 1.5 parts of propyl p-hydroxybenzoate.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide, hydrophobic silicon aerogel and dodecyl phenol polyoxyethylene ether are uniformly mixed by a high-speed powder mixer according to the formula proportion, and the mixing time is 8 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
sequentially adding water, boric acid, borax, bentonite, cellulose ether and propyl p-hydroxybenzoate in formula ratio into a stirring cylinder of a high-speed liquid material stirrer, and uniformly stirring for 7 minutes, wherein the pH value is adjusted to 7.8, and the viscosity is adjusted to 3200 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 45 minutes;
and (4) metering and packaging the mixed materials.
Example 10
The embodiment provides a hydrophobic solid powder dispersing material, which comprises the following raw materials in parts by weight:
1000 parts of water, 240 parts of hydrophobic silicon dioxide, 100 parts of hydrophobic silicon aerogel, 10 parts of dodecylphenol polyoxyethylene ether, 1.43 parts of boric acid, 0.57 part of borax, 2 parts of bentonite, 3 parts of cellulose ether and 1.5 parts of propyl p-hydroxybenzoate.
The preparation method mainly comprises the following steps:
hydrophobic silicon dioxide, hydrophobic silicon aerogel and dodecyl phenol polyoxyethylene ether are uniformly mixed according to the formula proportion by a high-speed powder mixer for 6 minutes.
Grinding the mixture in a jet mill to an average particle size of less than 5 μm;
sequentially adding water, boric acid, borax, bentonite, cellulose ether and propyl p-hydroxybenzoate in formula ratio into a stirring cylinder of a high-speed liquid material stirrer, and stirring uniformly for 6 minutes, wherein the pH value is adjusted to 7.8, and the viscosity is adjusted to 3400 cP;
gradually adding the ground powder into the liquid mixture according to the formula proportion, uniformly dispersing, and stirring for 45 minutes;
and (4) metering and packaging the mixed materials.
Comparative example
The comparative example provides a hydrophobic solid powder dispersion material, made mainly by the following method:
hydrophobic silica powder and water were added to a high-speed stirrer and stirred and mixed at high speed for 20 minutes.
Test examples
The hydrophobic solid powder dispersion materials prepared in examples 1 to 10 and comparative examples were used to test the dispersion uniformity and storage stability, and the results were as follows:
TABLE 1 test results
As can be seen from Table 1, in the comparative example, no surfactant was added, the hydrophobic solid powder could not be dispersed in water, and after strong stirring, when the stirring was stopped, the powder immediately separated from the water, and under the action of strong surface tension, the powder floated on the water surface, and the interface was clear, indicating that in the absence of interface material, water and hydrophobic solid powder were completely incompatible, and the hydrophobic solid powder could not be dispersed in water.
Example 1 the hydrophobic solid powder was dispersed in water by treating it with a small amount of surfactant, but it was not uniform and had poor stability. Examples 2 and 3 with the complete formulation, the hydrophobic solid powder was uniformly dispersed in water and also stored for a short period, but the long-term storage stability was poor and delamination occurred over six months, indicating that a reasonable formulation was required for uniform dispersion and good long-term storage stability. In examples 4 to 10, the pH and viscosity of the mixture are reasonably configured through a large number of experiments and formula adjustments, and the components are coordinated with each other to form stable non-bonding chemical force between interfaces of a multiphase system, so that the mixture can be uniformly dispersed and has long-term storage stability.
In conclusion, the hydrophobic solid powder dispersion material provided by the invention takes water, hydrophobic solid powder, a surfactant and an additive as raw materials, does not contain an organic solvent, and cannot cause the overproof volatile organic compounds and environmental pollution. The hydrophobic solid powder dispersion material has good dispersibility and stability, is uniformly dispersed without layering, can be stored for at least 6 months, is convenient to transport and use, and has good application prospect and economic benefit.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (7)
1. The hydrophobic solid powder dispersion material is characterized in that the raw materials for preparing the hydrophobic solid powder dispersion material comprise the following components in parts by weight: 1000 parts of water, 340-400 parts of hydrophobic solid powder, 1-100 parts of surfactant and 4-22 parts of additive;
the additive comprises: 1-3 parts of pH stabilizer, 2-5 parts of viscosity regulator and 1-2 parts of preservative;
and grinding the hydrophobic solid powder and the surfactant by using an air flow mill, wherein the particle size of the ground mixture is less than 5 microns, mixing the water and the additive by using a high-speed liquid material stirrer to ensure that the pH value of the mixed solution is 7-8 and the viscosity is 1000-5000 cP, and adding the ground mixture into the mixed solution to stir for 20-60 minutes.
2. The hydrophobic solid powder dispersion material according to claim 1, wherein the hydrophobic solid powder is hydrophobic silica or hydrophobic silica aerogel.
3. The hydrophobic solid powder dispersion material according to claim 2, wherein the surfactant comprises any one or at least two of sodium stearate, sodium dodecylbenzenesulfonate, dodecylphenol polyoxyethylene ether, triethanolamine stearate, and hexadecylammonium phosphate.
4. The hydrophobic solid powder dispersion material according to claim 1, wherein the pH stabilizer comprises any one or at least two of disodium hydrogen phosphate, citric acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, boric acid, and borax.
5. The hydrophobic solid powder dispersion material according to claim 4, wherein the viscosity modifier comprises any one or at least two of bentonite, polyethylene glycol, starch ether, cellulose ether and polyvinyl alcohol.
6. The hydrophobic solid powder dispersion material of claim 5 wherein the preservative comprises any one or at least two of sodium benzoate, potassium sorbate, sodium dehydroacetate, propyl paraben, calcium propionate and sodium lactate.
7. Use of the hydrophobic solid powder dispersion material according to any one of claims 1 to 6 for the preparation of thermal insulation materials, architectural coatings and concrete.
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