CN115651430B - Coating for coral island reef building and preparation method thereof - Google Patents
Coating for coral island reef building and preparation method thereof Download PDFInfo
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- CN115651430B CN115651430B CN202211267982.1A CN202211267982A CN115651430B CN 115651430 B CN115651430 B CN 115651430B CN 202211267982 A CN202211267982 A CN 202211267982A CN 115651430 B CN115651430 B CN 115651430B
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- 235000014653 Carica parviflora Nutrition 0.000 title claims abstract description 65
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 239000011248 coating agent Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 241000243321 Cnidaria Species 0.000 title abstract 5
- 239000000843 powder Substances 0.000 claims abstract description 46
- 229960000892 attapulgite Drugs 0.000 claims abstract description 17
- 239000004927 clay Substances 0.000 claims abstract description 17
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 17
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 16
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 16
- -1 carboxypropyl methyl Chemical group 0.000 claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 5
- 244000132059 Carica parviflora Species 0.000 claims description 60
- 239000000203 mixture Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 17
- 150000002500 ions Chemical class 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 8
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000159 gelatin Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 5
- 108010010803 Gelatin Proteins 0.000 claims description 5
- 229920002907 Guar gum Polymers 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 235000010418 carrageenan Nutrition 0.000 claims description 5
- 239000000679 carrageenan Substances 0.000 claims description 5
- 229920001525 carrageenan Polymers 0.000 claims description 5
- 229940113118 carrageenan Drugs 0.000 claims description 5
- 239000008273 gelatin Substances 0.000 claims description 5
- 235000019322 gelatine Nutrition 0.000 claims description 5
- 235000011852 gelatine desserts Nutrition 0.000 claims description 5
- 239000000665 guar gum Substances 0.000 claims description 5
- 235000010417 guar gum Nutrition 0.000 claims description 5
- 229960002154 guar gum Drugs 0.000 claims description 5
- 235000010413 sodium alginate Nutrition 0.000 claims description 5
- 239000000661 sodium alginate Substances 0.000 claims description 5
- 229940005550 sodium alginate Drugs 0.000 claims description 5
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 claims description 5
- 239000011499 joint compound Substances 0.000 claims description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 229940105289 carbon black Drugs 0.000 claims description 3
- 235000019241 carbon black Nutrition 0.000 claims description 3
- 229940014259 gelatin Drugs 0.000 claims description 3
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 3
- 229940083575 sodium dodecyl sulfate Drugs 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
- 235000019830 sodium polyphosphate Nutrition 0.000 claims description 3
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 3
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 239000000499 gel Substances 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 9
- 229920000609 methyl cellulose Polymers 0.000 abstract description 7
- 239000001923 methylcellulose Substances 0.000 abstract description 7
- 235000010981 methylcellulose Nutrition 0.000 abstract description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 150000001450 anions Chemical class 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 18
- 238000010276 construction Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 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 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 229920003086 cellulose ether Polymers 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000001038 titanium pigment Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- HZVVJJIYJKGMFL-UHFFFAOYSA-N almasilate Chemical compound O.[Mg+2].[Al+3].[Al+3].O[Si](O)=O.O[Si](O)=O HZVVJJIYJKGMFL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 239000012796 inorganic flame retardant Substances 0.000 description 1
- HEQBUZNAOJCRSL-UHFFFAOYSA-N iron(ii) chromite Chemical compound [O-2].[O-2].[O-2].[Cr+3].[Fe+3] HEQBUZNAOJCRSL-UHFFFAOYSA-N 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a coating for coral island reef building and a preparation method thereof, wherein the coating comprises 50-80 parts of coral mud, 5-25 parts of titanium dioxide, 2-16 parts of magnesium hydroxide, 5-12 parts of redispersible biological rubber powder, 2-10 parts of attapulgite clay powder, 0.5-3 parts of anion powder and 0.5-2 parts of carboxypropyl methyl cellulose ether. The coating for the coral island reef building has the advantages of ecological environment protection, no cracking, no falling, firm bonding, good stability, simple preparation and the like. In addition, the coral island building coating also has the functions of purifying air, adsorbing and decomposing harmful gases, resisting bacteria, sterilizing, regulating air humidity, reducing peculiar smell, insulating sound and heat, preventing fire and the like.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a coating for coral island reef buildings and a preparation method thereof.
Background
In recent years, the number of modern engineering on island is increasing, and the demand for building paint is increasing, but the paint for building on island is easy to fall off and has short service life due to the characteristics of high temperature and high humidity.
Based on this, there is an urgent need for a coating material suitable for use in buildings on islands and reefs.
Disclosure of Invention
In order to solve the problem that the existing paint is easy to fall off when being applied to island buildings, one of the purposes of the invention is to provide the paint for the coral island buildings.
The technical scheme for solving the technical problems is as follows:
the coating for the coral island reef building comprises the following components in parts by weight:
the beneficial effects of the invention are as follows: the coating for the coral island reef building has the advantages of ecological environment protection, no cracking, no falling, firm bonding, good stability, simple preparation and the like. In addition, the coral island building coating also has the functions of purifying air, adsorbing and decomposing harmful gases, resisting bacteria, sterilizing, regulating air humidity, reducing peculiar smell, insulating sound and heat, preventing fire and the like.
Based on the technical scheme, the invention can also be improved as follows:
further, the coating for coral island construction comprises the following components in parts by weight:
further, the granularity of the coral mud is 800-1200 meshes; the granularity of the magnesium hydroxide is 2000-7000 meshes; the granularity of the attapulgite clay powder is 800-1200 meshes; the granularity of the negative ion powder is 1200-1400 meshes.
Further, the viscosity of the carboxypropylmethyl cellulose is 50000 to 100000 mPa.s.
Further, the redispersible biological gum powder comprises white carbon black, gelatin, sodium alginate, guar gum, carrageenan and dispersing agent.
Further, the dispersant includes at least one of sodium polyphosphate, sodium hexametaphosphate, sodium pyrophosphate, and sodium dodecyl sulfate.
Further, the paint also comprises 0.5 to 2 parts of pigment.
The second object of the invention is to provide a preparation method of the coating, comprising the following steps:
step 1, fully mixing coral mud, titanium dioxide and magnesium hydroxide to obtain a mixture I;
step 2, adding attapulgite clay powder and negative ion powder into the mixture I, and fully mixing to obtain a mixture II;
step 3, adding the rest substances into the mixture II, and fully mixing to obtain a mixture III;
and 4, fully mixing the mixture III with water to obtain the coating.
Further, in the step 4, the mass ratio of the mixture III to water is 2 (0.8-1.2).
The invention has the following beneficial effects:
1. the coating for the coral island reef building has the advantages of ecological environment protection, no cracking, no falling, firm bonding, good stability, simple preparation and the like. In addition, the coral island building coating also has the functions of purifying air, adsorbing and decomposing harmful gases, resisting bacteria, sterilizing, regulating air humidity, reducing peculiar smell, insulating sound and heat, preventing fire and the like.
2. The negative oxygen ions generated in the negative ion powder have higher activity and strong oxidation-reduction effect, and can destroy the activity of cell membranes or cytoplasmatic active enzymes of bacteria, thereby achieving the aim of resisting bacteria and killing bacteria; the coral mud has a porous structure, so that the humidity in the air can be adjusted, the ecological environment of bacteria is damaged, and the growth of the bacteria is inhibited. Therefore, in the invention, the negative ion powder and the coral mud respectively destroy bacteria from the inside and the outside, thereby purifying indoor air and eliminating indoor peculiar smell.
3. The magnesium hydroxide in the invention is an inorganic flame retardant, which not only plays a role in flame retardance in the paint, but also plays a role in filling. In the invention, when the magnesium hydroxide is heated, water vapor and metal oxide are generated, the water vapor can dilute the combustible gas and air in the combustion area, the concentration of the combustible gas and the content of the air in the combustion area are reduced, and further flame retardance is realized; in addition, the coral mud has a porous structure and can adjust the humidity of air, so that the water adsorbed by the coral mud in the invention can form water vapor in the heating process to further dilute the combustible gas, and the coral mud without water can adsorb the combustible gas, so that the concentration of the combustible gas in a combustion area can be further reduced, and the flame retardance is realized; secondly, the metal oxide formed by the thermal decomposition of the magnesium hydroxide has the characteristics of good heat resistance and compactness, can prevent heat of a combustion area from entering an unburned area, avoid further decomposition of the coating, and CaO formed by the thermal decomposition of coral mud of the combustion area can also adsorb acid gas in the combustion area, so that damage to human bodies is reduced. Therefore, the magnesium hydroxide and the coral mud in the coating form a synergistic flame retardant effect, namely the coating has a good flame retardant effect.
4. The attapulgite clay powder is natural water-containing magnesium aluminosilicate, has a unique three-dimensional chain structure and a special needle-bar crystal structure, is sticky when wet, and has extremely strong water absorption. In the invention, because the coral mud has the capability of adjusting the air humidity, when the viscosity of the attapulgite clay powder is reduced due to the loss of moisture, the coral mud can release part of the moisture to ensure the viscosity of the attapulgite clay powder; in addition, the coral paste can also ensure the viscosity of the attapulgite clay powder by absorbing moisture; therefore, the coral mud can maintain the viscosity of the attapulgite clay powder in a stable range by absorbing water and releasing water, reduce the influence of external environment on the performances of the coating, such as adhesion, and the like, and solve the problems of falling off and the like when the coating is used for coral island reef buildings.
Detailed Description
The coating for coral island construction and the preparation method thereof in the present application will be described below with reference to examples.
This application, however, may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein, but rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
An embodiment of the first aspect of the present invention provides a paint for coral island construction, comprising, in parts by weight:
preferably, in the present embodiment, the coating material includes, in parts by weight:
the main component of the coral mud in the embodiment is calcium carbonate, which has a porous medium with a plurality of pores on the surface; in addition, the coral mud also has the functions of absorbing and decomposing formaldehyde, reducing peculiar smell, regulating indoor humidity, insulating sound and heat, preventing fire and the like. The coral mud in the embodiment has two sources, one is fine coral soil formed in the process of island reef hydraulic filling, and the other is artificial coral soil prepared by grinding coral sand through a ball mill to obtain target particle size; the coral mud in this embodiment is preferably fine-grained coral soil formed during the island reclamation process.
The titanium dioxide in the example is white powder, has the characteristics of water insolubility, no physiological toxicity and stable chemical property, and has excellent color properties (namely good whiteness, brightness and luster) after the surface is coated with zirconium and aluminum and is subjected to organic treatment; the titanium dioxide also has the characteristics of strong covering power and fluidity, and also has excellent weather resistance and powder resistance; rutile titanium dioxide is preferred in this example.
The magnesium hydroxide in the embodiment belongs to an inorganic additive type environment-friendly flame retardant, has multiple performances of flame retardance, smoke abatement, drip resistance, filling and the like, and can improve the flame retardance of the coating.
The dispersible biological gum powder in the embodiment comprises white carbon black, gelatin, sodium alginate, guar gum, carrageenan and dispersing agent, preferably, the dispersible biological gum powder in the embodiment comprises 1 to 3 parts of white carbon black, 1 to 3 parts of gelatin, 0.5 to 1.2 parts of sodium alginate, 0.8 to 2.1 parts of guar gum, 0.7 to 1.6 parts of carrageenan and 1 to 2 parts of dispersing agent by weight; wherein the dispersing agent comprises at least one of sodium polyphosphate, sodium hexametaphosphate, sodium pyrophosphate and sodium dodecyl sulfate, and when the dispersing agent contains two or more of the above, the components in the dispersing agent are mixed according to any proportion. In the example, the redispersible biological rubber powder does not contain formaldehyde and other harmful substances, has zero VOC content, is beneficial to environmental protection and is beneficial to uniformly dispersing all components in the coating. In addition, each component in the dispersible bio-gelatine powder in the present embodiment is commercially available.
The attapulgite clay powder in the embodiment has a unique three-dimensional chain structure and a special needle-bar crystal structure, and has excellent thickening property, suspension property and colloid shaking and thawing properties, so that the properties of the coral mud coating are further improved.
The negative oxygen ions generated in the negative ion powder in the example have higher activity and strong oxidation-reduction effect, and can destroy the activity of cell membranes or cytoplasmatic active enzymes of bacteria, thereby achieving the aim of resisting bacteria and killing bacteria.
The carboxypropyl methyl cellulose ether in the embodiment has the characteristics of good thickening, suspending, dispersing, emulsifying, bonding, film forming, moisture protection, protective colloid provision and the like, and can improve the fluidity and the operability of the coating. Preferably, the viscosity of the carboxypropylmethyl cellulose ether is 50000-100000 mPa.s; further preferably, the viscosity of the carboxypropylmethyl cellulose ether is 50000 to 60000 mPa.s.
In addition, the granularity of the coral mud is 800-1200 meshes; the granularity of the magnesium hydroxide is 2000-7000 meshes; the granularity of the attapulgite clay powder is 800-1200 meshes; the granularity of the negative ion powder is 1200-1400 meshes; among them, in this example, negative ion powder having a whiteness of 92 to 97 is preferable.
In addition, in some embodiments, the coating further comprises 0.5 to 2 parts by weight of a pigment, the pigment in this example comprising one or more of iron red, iron yellow, iron green, iron blue, iron black, ultramarine, cobalt blue, cobalt green, copper chrome black, chrome yellow, cadmium red; in practice, different pigments may be selected according to market demand.
An embodiment of the second aspect of the present invention provides a method for preparing a coating material suitable for the embodiment of the first aspect, specifically comprising the steps of:
step 1, fully mixing coral mud, titanium pigment and magnesium hydroxide to obtain a mixture I;
step 2, adding attapulgite clay powder and negative ion powder into the mixture I, and fully mixing to obtain a mixture II;
step 3, adding redispersible biological rubber powder, carboxypropyl methyl cellulose ether and pigment into the mixture II, and fully mixing to obtain a mixture III;
and 4, fully mixing the mixture III with water to obtain the coating.
In this embodiment, the mixing times in step 1, step 2 and step 3 are 3min, 5min and 5min, respectively. In addition, the mass ratio of the mixture III to the water in the step 4 is 2: (0.8-1.2).
In addition, in the practical process, the coating in the embodiment is mainly constructed by blade coating or spraying, and the thickness of the coating after construction is 1-2 mm.
Examples
Example 1:
the coating for the coral island reef building comprises the following components in parts by weight:
wherein the particle size of the coral mud is 1000 meshes, and the particle size of the magnesium hydroxide is 5000 meshes; the renewable dispersible biological rubber powder comprises the following components in parts by weight: 3 parts of white carbon black, 2 parts of gelatin, 1 part of sodium alginate, 2 parts of guar gum, 1.2 parts of carrageenan and 1.2 parts of sodium hexametaphosphate; the granularity of the negative ion powder is 1300 meshes, and the whiteness is 92-97; the viscosity of the carboxypropyl methyl cellulose is 60000 mPa.s, the granularity of the attapulgite clay powder is 1000 meshes, and the pigment is iron oxide yellow.
The preparation of the coating in this embodiment specifically comprises the following steps:
step 1, fully mixing coral mud, titanium pigment and magnesium hydroxide for 3min to obtain a mixture I;
step 2, adding attapulgite clay powder and negative ion powder into the mixture I, and fully mixing for 5min to obtain a mixture II;
step 3, adding redispersible biological rubber powder, carboxypropyl methyl cellulose ether and pigment into the mixture II, and fully mixing for 5min to obtain a mixture III;
and 4, fully mixing the mixture III with water to obtain the coating, wherein the mass ratio of the mixture III to the water is 2:1.0.
Example 2
The paint for coral island construction in this example and the preparation method thereof are the same as in example 1, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
example 3
The paint for coral island construction in this example and the preparation method thereof are the same as in example 1, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
example 4
The paint for coral island construction in this example and the preparation method thereof are the same as in example 1, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
example 5
The paint for coral island construction in this example and the preparation method thereof are the same as in example 1, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
example 6
The paint for coral island construction in this example and the preparation method thereof are the same as in example 1, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
example 7
The paint for coral island construction in this example and the preparation method thereof are the same as in example 4, except that:
the particle size of the coral mud is 800 meshes, and the particle size of the magnesium hydroxide is 2000 meshes; the granularity of the negative ion powder is 1200 meshes, and the whiteness is 92-97; the viscosity of the carboxypropyl methyl cellulose is 50000 mPa.s; the granularity of the attapulgite clay powder is 800 meshes.
Example 8
The paint for coral island construction in this example and the preparation method thereof are the same as in example 4, except that:
the particle size of the coral mud is 1200 meshes, and the particle size of the magnesium hydroxide is 7000 meshes; the granularity of the negative ion powder is 1400 meshes, and the whiteness is 92-97; the viscosity of the carboxypropyl methyl cellulose is 50000 mPa.s; the granularity of the attapulgite clay powder is 1200 meshes.
Comparative example 1
The paint for coral island construction in this example and the preparation method thereof are the same as in example 4, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
comparative example 2
The paint for coral island construction in this example and the preparation method thereof are the same as in example 4, except that:
the coating for the coral island reef building comprises the following components in parts by weight:
test analysis:
the paints of the above examples and comparative examples were tested according to the following criteria, and the test results thereof are shown in table 1;
the method specifically comprises the following standard:
the flame resistance of the coatings was tested according to standard GB 8624-2012;
the coatings were tested for water resistance, alkali resistance, and temperature resistance according to standard JG/T26-2002, where water resistance and salt resistance refer to the time that the conditions of no foaming, no shedding, and slight powder loss were allowed to remain, and temperature resistance refers to the number of times that the conditions of no foaming, no shedding, and slight powder loss were allowed to remain.
TABLE 1 paint Performance test
As can be seen from Table 1, the coating of the invention has better water resistance, salt resistance and temperature deformation resistance, and also has better flame retardant property.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The coating for the coral island reef building is characterized by comprising the following components in parts by weight:
the redispersible biological gel powder comprises white carbon black, gelatin, sodium alginate, guar gum, carrageenan and a dispersing agent;
the dispersant comprises at least one of sodium polyphosphate, sodium hexametaphosphate, sodium pyrophosphate and sodium dodecyl sulfate.
2. The coating according to claim 1, comprising the following components in parts by weight:
3. the coating of claim 1 or 2, wherein the coral mud particle size is 800-1200 mesh; the granularity of the magnesium hydroxide is 2000-7000 meshes; the granularity of the attapulgite clay powder is 800-1200 meshes; the granularity of the negative ion powder is 1200-1400 meshes.
4. The coating according to claim 1 or 2, characterized in that the carboxypropylmethyl cellulose has a viscosity of 50000-100000 mPa-s.
5. The coating according to claim 1 or 2, characterized in that the coating further comprises 0.5-2 parts by weight of pigment.
6. The method for preparing the coating according to any one of claims 1 to 5, comprising the steps of:
step 1, fully mixing coral mud, titanium dioxide and magnesium hydroxide to obtain a mixture I;
step 2, adding attapulgite clay powder and negative ion powder into the mixture I, and fully mixing to obtain a mixture II;
step 3, adding the rest substances into the mixture II, and fully mixing to obtain a mixture III;
and 4, fully mixing the mixture III with water to obtain the coating.
7. The preparation method according to claim 6, wherein the mass ratio of the mixture III to water in the step 4 is 2 (0.8-1.2).
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