CN113149596A - Building glue containing graphene oxide and kaolin and preparation method thereof - Google Patents
Building glue containing graphene oxide and kaolin and preparation method thereof Download PDFInfo
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- CN113149596A CN113149596A CN202011590455.5A CN202011590455A CN113149596A CN 113149596 A CN113149596 A CN 113149596A CN 202011590455 A CN202011590455 A CN 202011590455A CN 113149596 A CN113149596 A CN 113149596A
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 239000005995 Aluminium silicate Substances 0.000 title claims abstract description 88
- 235000012211 aluminium silicate Nutrition 0.000 title claims abstract description 88
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 40
- 239000003292 glue Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 10
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 10
- 239000004698 Polyethylene Substances 0.000 claims abstract description 10
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 239000000440 bentonite Substances 0.000 claims abstract description 10
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 10
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 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 10
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 10
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 10
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 10
- -1 polyethylene Polymers 0.000 claims abstract description 10
- 229920000573 polyethylene Polymers 0.000 claims abstract description 10
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 10
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 10
- 244000275012 Sesbania cannabina Species 0.000 claims abstract 2
- 239000004611 light stabiliser Substances 0.000 claims description 23
- 239000004014 plasticizer Substances 0.000 claims description 21
- 230000002745 absorbent Effects 0.000 claims description 19
- 239000002250 absorbent Substances 0.000 claims description 19
- 239000008029 phthalate plasticizer Substances 0.000 claims description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 6
- 229910001887 tin oxide Inorganic materials 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 5
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical group O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012965 benzophenone Substances 0.000 claims description 2
- 239000012964 benzotriazole Substances 0.000 claims description 2
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 25
- 238000001354 calcination Methods 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 24
- 239000007787 solid Substances 0.000 description 24
- 238000012360 testing method Methods 0.000 description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 16
- 238000001035 drying Methods 0.000 description 16
- 239000012065 filter cake Substances 0.000 description 16
- 229910002804 graphite Inorganic materials 0.000 description 16
- 239000010439 graphite Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 16
- 239000012286 potassium permanganate Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 16
- 238000001816 cooling Methods 0.000 description 10
- 240000002791 Brassica napus Species 0.000 description 8
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 241000209094 Oryza Species 0.000 description 8
- 235000007164 Oryza sativa Nutrition 0.000 description 8
- 235000019779 Rapeseed Meal Nutrition 0.000 description 8
- 241000219782 Sesbania Species 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 239000000654 additive Substances 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 8
- 238000005054 agglomeration Methods 0.000 description 8
- 230000002776 aggregation Effects 0.000 description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 238000003837 high-temperature calcination Methods 0.000 description 8
- 238000003760 magnetic stirring Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
- 238000011085 pressure filtration Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000004456 rapeseed meal Substances 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- 235000009566 rice Nutrition 0.000 description 8
- 239000004576 sand Substances 0.000 description 8
- 239000000344 soap Substances 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 238000005303 weighing Methods 0.000 description 8
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical group C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 7
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical group CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 description 7
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- WZXYXXWJPMLRGG-UHFFFAOYSA-N hexadecyl benzenesulfonate Chemical group CCCCCCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 WZXYXXWJPMLRGG-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
- C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention belongs to the technical field of building glue, and particularly relates to building glue containing graphene oxide and kaolin and a preparation method thereof. The building glue containing the graphene oxide and the kaolin comprises the following components in parts by weight: 12-25 parts of sesbania gum, 5-8 parts of nano bentonite, 5-8 parts of graphene oxide, 8-12 parts of kaolin, 8-12 parts of sodium tripolyphosphate, 15-25 parts of triethanolamine, 8-12 parts of talcum powder, 5-8 parts of hydroxyethyl cellulose, 5-10 parts of a sodium polyacrylate aqueous solution, 15-20 parts of polyethylene, 5-8 parts of polyacrylamide and 220-250 parts of water. The building glue containing graphene oxide and kaolin provided by the invention is environment-friendly, nontoxic, high in bonding strength and good in water retention.
Description
Technical Field
The invention belongs to the technical field of building glue, and particularly relates to building glue containing graphene oxide and kaolin and a preparation method thereof.
Background
The use amount of the building glue used in the building field is very large, the building glue is used in concrete engineering, brick walls, indoor and outdoor waterproof engineering and the like such as subway stations, mines, tunnels, elevator shafts, basements, kitchens, toilets, bathrooms, swimming pools, domestic sewage pools and the like, and after the projects are used for a period of time, the building glue is required to be used regularly to repair or increase the waterproof strength along with the possibility of water leakage. The glue for building in the prior art has the disadvantages of simple production process and low price, but the effect is often unsatisfactory, and hidden troubles exist, especially the glue for building is dare not to be used in some important projects.
The building glue has various types, more than hundreds of types, different formulas and different preparation methods, and can be selected for use according to the requirements of wall surfaces and floors during specific use. Most of the existing building glue has unreasonable formula, much unsatisfactory bonding strength, easy powder falling and poor water retention; some building glues also contain harmful substances such as formaldehyde and the like, and do not meet the requirements of people on pursuing green and healthy life.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the building glue containing the graphene oxide and the kaolin and the preparation method thereof.
The technical scheme provided by the invention is as follows:
the building glue containing the graphene oxide and the kaolin comprises the following components in parts by weight: 12-25 parts of sesbania gum, 5-8 parts of nano bentonite, 5-8 parts of graphene oxide, 8-12 parts of kaolin, 8-12 parts of sodium tripolyphosphate, 15-25 parts of triethanolamine, 8-12 parts of talcum powder, 5-8 parts of hydroxyethyl cellulose, 5-10 parts of a sodium polyacrylate aqueous solution, 15-20 parts of polyethylene, 5-8 parts of polyacrylamide and 220-250 parts of water.
The building glue containing the graphene oxide and the kaolin provided by the technical scheme is environment-friendly, non-toxic, high in bonding strength and good in water retention.
Further, the paint also comprises 8-12 parts of a plasticizer.
Further, the plasticizer is phthalate plasticizer or alkyl sulfonate plasticizer.
Further, the paint also comprises 3-5 parts of an ultraviolet absorbent.
Further, the ultraviolet absorbent is hindered amine ultraviolet absorbent.
Further, the paint also comprises 2-4 parts of a light stabilizer.
Further, the light stabilizer is a benzotriazole light stabilizer or a benzophenone light stabilizer.
Further, the paint also comprises 2-5 parts of a heat-resistant synergist.
Further, the heat-resistant synergist is ferric oxide, cerium oxide or tin oxide.
The addition of a plasticizer can increase the degree of densification. The addition of the ultraviolet absorber, the light stabilizer and the heat-resistant synergist can prolong the service life.
The preparation method of the kaolin comprises the following steps:
firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the using amount of the soap rapeseed powder and the active kaolin is 5 percent.
The preparation method of the graphene oxide comprises the following steps:
200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
The invention also provides a preparation method of the building glue containing the graphene oxide and the kaolin, which is characterized by comprising the following steps: mixing the above components uniformly.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 12 parts of sesbania gum, 8 parts of nano bentonite, 5 parts of graphene oxide, 12 parts of kaolin, 8 parts of sodium tripolyphosphate, 25 parts of triethanolamine, 8 parts of talcum powder, 8 parts of hydroxyethyl cellulose, 5 parts of a sodium polyacrylate aqueous solution, 20 parts of polyethylene, 5 parts of polyacrylamide, 250 parts of water, 8 parts of a plasticizer, 5 parts of an ultraviolet absorbent, 2 parts of a light stabilizer and 5 parts of a heat-resistant synergist.
The plasticizer is dioctyl phthalate plasticizer.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is tin oxide.
Example 2
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 20 parts of sesbania gum, 6 parts of nano bentonite, 6 parts of graphene oxide, 9 parts of kaolin, 10 parts of sodium tripolyphosphate, 18 parts of triethanolamine, 11 parts of talcum powder, 5 parts of hydroxyethyl cellulose, 6 parts of sodium polyacrylate aqueous solution, 16 parts of polyethylene, 5 parts of polyacrylamide, 240 parts of water, 11 parts of plasticizer, 4 parts of ultraviolet absorbent, 3 parts of light stabilizer and 3 parts of heat-resistant synergist.
The plasticizer is hexadecyl phenyl sulfonate.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is ferric oxide.
Example 3
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 25 parts of sesbania gum, 5 parts of nano bentonite, 8 parts of graphene oxide, 8 parts of kaolin, 12 parts of sodium tripolyphosphate, 15 parts of triethanolamine, 12 parts of talcum powder, 5 parts of hydroxyethyl cellulose, 10 parts of a sodium polyacrylate aqueous solution, 15 parts of polyethylene, 8 parts of polyacrylamide, 220 parts of water, 12 parts of a plasticizer, 3 parts of an ultraviolet absorbent, 4 parts of a light stabilizer and 2 parts of a heat-resistant synergist.
The plasticizer is dioctyl phthalate plasticizer.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is cerium oxide.
Example 4
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 25 parts of sesbania gum, 8 parts of nano bentonite, 8 parts of graphene oxide, 8 parts of kaolin, 12 parts of sodium tripolyphosphate, 15 parts of triethanolamine, 12 parts of talcum powder, 5 parts of hydroxyethyl cellulose, 5 parts of a sodium polyacrylate aqueous solution, 20 parts of polyethylene, 5 parts of polyacrylamide, 250 parts of water, 10 parts of a plasticizer, 4 parts of an ultraviolet absorbent, 3 parts of a light stabilizer and 4 parts of a heat-resistant synergist.
The plasticizer is dioctyl phthalate plasticizer or hexadecyl phenyl sulfonate.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is cerium oxide.
Comparative example 1
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 12 parts of sesbania gum, 8 parts of nano bentonite, 0.1 part of graphene oxide, 12 parts of kaolin, 8 parts of sodium tripolyphosphate, 25 parts of triethanolamine, 8 parts of talcum powder, 8 parts of hydroxyethyl cellulose, 5 parts of a sodium polyacrylate aqueous solution, 20 parts of polyethylene, 5 parts of polyacrylamide, 250 parts of water, 8 parts of a plasticizer, 5 parts of an ultraviolet absorbent, 2 parts of a light stabilizer and 5 parts of a heat-resistant synergist.
The plasticizer is dioctyl phthalate plasticizer.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is tin oxide.
Comparative example 2
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 12 parts of sesbania gum, 8 parts of nano bentonite, 5 parts of graphene oxide, 0.1 part of kaolin, 8 parts of sodium tripolyphosphate, 25 parts of triethanolamine, 8 parts of talcum powder, 8 parts of hydroxyethyl cellulose, 5 parts of a sodium polyacrylate aqueous solution, 20 parts of polyethylene, 5 parts of polyacrylamide, 250 parts of water, 8 parts of a plasticizer, 5 parts of an ultraviolet absorbent, 2 parts of a light stabilizer and 5 parts of a heat-resistant synergist.
The plasticizer is dioctyl phthalate plasticizer.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is tin oxide.
Comparative example 3
1) Firstly, carrying out centrifugal classification on kaolin ore pulp with the solid content of 12% after fine selection and sand removal through a hydrocyclone and a horizontal spiral classifier to enable the content of particles below 2 microns in the kaolin ore pulp to reach more than 85%; concentrating the solid content of the kaolin ore pulp to 25% by using a disc dehydrator; and carrying out pressure filtration on the concentrated ore pulp to obtain a filter cake with the solid content of 65%. Then, the obtained kaolin filter cake is subjected to flash evaporation and drying under the condition of-100 pa of micro negative pressure, and kaolin dry powder with the water content of less than 1.5 percent is obtained. And calcining the kaolin dry powder obtained in the step 2) by taking rice hull particles as a combustion medium, wherein the calcining temperature is 850 ℃, and the calcining time is 2 hours, so as to obtain the thermally activated kaolin. Finally, rapeseed meal is added to the obtained thermally activated kaolin, and depolymerization is carried out to eliminate agglomeration of sintered agglomerates generated during high-temperature calcination, thereby obtaining the activated kaolin used as a concrete additive. The weight percentage of the consumption of the soap oil rapeseed powder and the active kaolin is 5 percent.
2) 200mL of concentrated sulfuric acid (98%) and 40mL of concentrated phosphoric acid (85%) are put into a clean and dry beaker for later use; weighing 10g of potassium permanganate for later use; placing 2g of graphite in a 500mL big beaker repeatedly cleaned and dried, and slowly pouring the mixed acid into the beaker filled with the graphite along the wall of the beaker for later use; then placing the mixed reactant into a magnetic stirring water bath kettle which is preheated to 48 ℃, slowly adding potassium permanganate, and heating the reaction system at 50 ℃ for 5 hours; then, the diluted hydrogen peroxide solution was added to the mixture while continuing to heat and stir at 50 ℃ until no more bubbles were generated. Heating and stirring the reaction system at 50 ℃ for 3 hours, cooling to room temperature, and carrying out centrifugal washing treatment; and then water is added for dilution respectively. The reaction, diluted with water, was centrifuged for three to five minutes to a final pH of approximately 6. And drying the obtained centrifugal precipitate at 85 ℃, wherein the dried product is the graphene oxide.
3) 12 parts of sesbania gum, 8 parts of nano bentonite, 0.1 part of graphene oxide, 0.1 part of kaolin, 8 parts of sodium tripolyphosphate, 25 parts of triethanolamine, 8 parts of talcum powder, 8 parts of hydroxyethyl cellulose, 5 parts of a sodium polyacrylate aqueous solution, 20 parts of polyethylene, 5 parts of polyacrylamide, 250 parts of water, 8 parts of a plasticizer, 5 parts of an ultraviolet absorbent, 2 parts of a light stabilizer and 5 parts of a heat-resistant synergist.
The plasticizer is dioctyl phthalate plasticizer.
The ultraviolet absorbent is TINUVIN 326.
The light stabilizer is TINUVIN770 DF.
The heat-resistant synergist is tin oxide.
Data comparison
1. Shear strength:
1) testing materials: cold-rolled steel sheet, 2mm thick, 20mm wide, 100mm long.
2) Gluing: the glue was scraped to the test piece with a spatula.
3) Baking the test piece: after the two test pieces are lapped, the two test pieces are solidified under the condition of 150 ℃ multiplied by 30min, and after standing and cooling, the clamp is dismantled.
4) Normal temperature shear strength: the shear strength was measured at 23. + -. 2 ℃ according to GB/T7124 with a tensile speed of 50mm/min and the shear strength and failure pattern recorded.
2. T peel strength
1) Testing materials: cold-rolled steel sheet, 2mm thick, 20mm wide, 100mm long.
2) Gluing: the glue was scraped to the test piece with a spatula.
3) Baking the test piece: after the two test pieces are lapped, the two test pieces are solidified under the condition of 150 ℃ multiplied by 30min, and after standing and cooling, the clamp is dismantled.
4) Normal temperature shear strength: the T-peel strength was measured at 23. + -.2 ℃ at a tensile speed of 200mm/min, the test piece was stretched at the indicated speed until 10mm of adhesive length remained, and by the test, a load diagram was drawn by a tester, the mean value of the test values was determined from the wavy load diagram, and the T-peel strength and the failure pattern were recorded.
3. Flame retardant property:
1) testing materials: cold-rolled steel sheet, 2mm thick, 20mm wide, 100mm long.
2) Gluing: the glue was scraped to the test piece with a spatula.
3) And (3) flame retardant test: the test pieces were faced with the horizontal surfaces at a 45 degree angle. The flame of the bunsen burner is adjusted to 38 mm. An 18 mm flame was held on the test panel and the effect lasted 8 seconds. The flame was removed and the duration of burning of the test piece was measured.
The specific data are as follows:
it can be seen that the addition of graphene oxide and kaolin has a great influence on the performance of the glue.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The building glue containing the graphene oxide and the kaolin is characterized by comprising the following components in parts by weight: 12-25 parts of sesbania gum, 5-8 parts of nano bentonite, 5-8 parts of graphene oxide, 8-12 parts of kaolin, 8-12 parts of sodium tripolyphosphate, 15-25 parts of triethanolamine, 8-12 parts of talcum powder, 5-8 parts of hydroxyethyl cellulose, 5-10 parts of a sodium polyacrylate aqueous solution, 15-20 parts of polyethylene, 5-8 parts of polyacrylamide and 220-250 parts of water.
2. The building glue containing graphene oxide and kaolin as claimed in claim 1, wherein: the adhesive further comprises 8-12 parts of a plasticizer.
3. The building glue containing graphene oxide and kaolin as claimed in claim 2, wherein: the plasticizer is phthalate plasticizer or alkyl sulfonate plasticizer.
4. The building glue containing graphene oxide and kaolin as claimed in claim 1, wherein: the ultraviolet absorber also comprises 3-5 parts of ultraviolet absorber.
5. The building glue containing graphene oxide and kaolin as claimed in claim 4, wherein: the ultraviolet absorbent is hindered amine ultraviolet absorbent.
6. The building glue containing graphene oxide and kaolin as claimed in claim 1, wherein: and the paint also comprises 2-4 parts of a light stabilizer.
7. The building glue containing graphene oxide and kaolin as claimed in claim 6, wherein: the light stabilizer is a benzotriazole light stabilizer or a benzophenone light stabilizer.
8. The building glue containing graphene oxide and kaolin as claimed in claim 1, wherein: and 2-5 parts of a heat-resistant synergist.
9. The building glue containing graphene oxide and kaolin as claimed in claim 8, wherein: the heat-resistant synergist is ferric oxide, cerium oxide or tin oxide.
10. The preparation method of the construction glue containing graphene oxide and kaolin according to any one of claims 1 to 9, characterized by comprising the following steps: mixing the above components uniformly.
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| CN108997738A (en) * | 2018-08-16 | 2018-12-14 | 中山市绿浪助剂有限公司 | Magnetic roller encapsulating material containing graphene oxide |
| CN109536049A (en) * | 2018-11-27 | 2019-03-29 | 茂名高岭科技有限公司 | A kind of kaolin based sealant and its preparation method and application |
| CN110373118A (en) * | 2019-07-12 | 2019-10-25 | 杭州厚瑞科技有限公司 | A kind of enhancing environment-protecting industrial glue and its preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102516917A (en) * | 2011-12-05 | 2012-06-27 | 湖北回天胶业股份有限公司 | Heat resistance single-component silane modified polyurethane sealant and preparation method thereof |
| CN104045092A (en) * | 2014-06-26 | 2014-09-17 | 茂名高岭科技有限公司 | Method for preparing activated kaolin by washing kaolin with water |
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