CN115232504A - Interior wall putty - Google Patents
Interior wall putty Download PDFInfo
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- CN115232504A CN115232504A CN202210833953.0A CN202210833953A CN115232504A CN 115232504 A CN115232504 A CN 115232504A CN 202210833953 A CN202210833953 A CN 202210833953A CN 115232504 A CN115232504 A CN 115232504A
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- CN
- China
- Prior art keywords
- interior wall
- anhydrite
- wall putty
- putty powder
- putty
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- 229910052925 anhydrite Inorganic materials 0.000 claims abstract description 59
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 59
- 239000000843 powder Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 34
- 229920000881 Modified starch Polymers 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 239000010440 gypsum Substances 0.000 claims abstract description 12
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011575 calcium Substances 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 6
- 229920002907 Guar gum Polymers 0.000 claims abstract description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 6
- 239000000665 guar gum Substances 0.000 claims abstract description 6
- 235000010417 guar gum Nutrition 0.000 claims abstract description 6
- 229960002154 guar gum Drugs 0.000 claims abstract description 6
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 6
- 239000011147 inorganic material Substances 0.000 claims abstract description 6
- 239000004571 lime Substances 0.000 claims abstract description 6
- 239000011368 organic material Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920000591 gum Polymers 0.000 claims abstract 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 39
- 238000002156 mixing Methods 0.000 claims description 20
- 239000000440 bentonite Substances 0.000 claims description 15
- 229910000278 bentonite Inorganic materials 0.000 claims description 15
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 15
- 229920002472 Starch Polymers 0.000 claims description 13
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 13
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 13
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 13
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 13
- 239000008107 starch Substances 0.000 claims description 13
- 235000019698 starch Nutrition 0.000 claims description 13
- 229920003086 cellulose ether Polymers 0.000 claims description 12
- 102000004169 proteins and genes Human genes 0.000 claims description 11
- 108090000623 proteins and genes Proteins 0.000 claims description 11
- 239000013008 thixotropic agent Substances 0.000 claims description 10
- 239000004368 Modified starch Substances 0.000 claims description 9
- 244000061456 Solanum tuberosum Species 0.000 claims description 9
- 235000002595 Solanum tuberosum Nutrition 0.000 claims description 9
- 235000019426 modified starch Nutrition 0.000 claims description 9
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 229960000892 attapulgite Drugs 0.000 claims description 2
- 239000002639 bone cement Substances 0.000 claims description 2
- 229910021538 borax Inorganic materials 0.000 claims description 2
- 230000002308 calcification Effects 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 229960004106 citric acid Drugs 0.000 claims description 2
- 229940005740 hexametaphosphate Drugs 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229960005336 magnesium citrate Drugs 0.000 claims description 2
- 239000004337 magnesium citrate Substances 0.000 claims description 2
- 235000002538 magnesium citrate Nutrition 0.000 claims description 2
- 229940091250 magnesium supplement Drugs 0.000 claims description 2
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- 239000004328 sodium tetraborate Substances 0.000 claims description 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 2
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000005054 agglomeration Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract description 2
- 238000007665 sagging Methods 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 229910021532 Calcite Inorganic materials 0.000 description 3
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002426 superphosphate Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000004507 Abies alba Nutrition 0.000 description 1
- 244000178606 Abies grandis Species 0.000 description 1
- 235000017894 Abies grandis Nutrition 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- 235000019892 Stellar Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- 229940095564 anhydrous calcium sulfate Drugs 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical group [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The application discloses interior wall anhydrite putty and a preparation method thereof, wherein the interior wall putty powder comprises: anhydrite and a compound doping material; the weight ratio of the anhydrite to the compound doping material is (1000; the complex doped material comprises any one or more of inorganic materials and organic materials; the inorganic material is selected from any one or more of calcium lime, cement, building gypsum and lime; the organic material is selected from any one or more of guar gum, polyvinyl alcohol, pregelatinized starch, and gum powder. The interior wall anhydrite putty provided by the application is mixed with water to form slurry, no agglomeration exists, no obstacle exists in construction scraping and coating, manual polishing can be realized, and construction operation can be conveniently carried out; the drying time (surface drying) is relatively fast, and the construction period can be effectively shortened; when the putty is smeared to 5mm, no obvious sagging phenomenon exists, the bonding strength in a standard state meets the requirement of the interior wall anhydrite putty, and the putty can be smeared smoothly without the phenomena of peeling and the like.
Description
Technical Field
The present invention relates to, but is not limited to, inorganic non-metal material and building material technology, and is especially but not limited to one kind of inner wall putty.
Background
The putty is a decorative material for leveling the surface of a wall surface, and the main material of the putty and the traditional putty is heavy calcium carbonate or talc. For years, the putty using the triple superphosphate as the main material has been a main technical route used by China, the triple superphosphate powder is used as a deep processing product of calcite, the triple superphosphate powder is mainly concentrated in Guangxi and Anhui provinces at present, and the mineral reserve of the calcite is greatly reduced after the multiple-year exploitation.
The anhydrite ore has wider distribution range and higher reserves than calcite ore, and does not enter the stage of large-scale development basically at present. The anhydrite with high whiteness is large in reserves in places such as Anhui, hubei, jiangsu and the like in China, and has good decoration; the anhydrite has low cost and good economic benefit.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
And the interior wall anhydrite putty is easy to be uniformly stirred after being added with water, has good slurry fluidity, high compactness, no obstacle in blade coating, easy manual polishing and quicker drying time (surface drying) after coating, and can shorten the construction period. Particularly, the application provides an interior wall anhydrite putty and a preparation method and a construction method thereof.
First, the present application provides an interior wall putty powder, wherein the interior wall putty powder includes: anhydrite and a compound doping material; the weight ratio of the anhydrite to the compound doping material is (1000;
the complex doped material comprises any one or more of inorganic materials and organic materials;
the inorganic material is selected from any one or more of lime calcium, cement, building gypsum and lime; the organic material is selected from any one or more of guar gum, polyvinyl alcohol, starch and gelatine powder.
A second item, one embodiment of which is based on the first item, wherein the interior wall putty powder comprises anhydrite, a compound material, a thixotropic agent, a cellulose ether, and a retarder;
the dosage of the thixotropic agent is 0.02 to 2 weight percent of the sum of the dosages of the anhydrite and the complex doping material;
the cellulose ether is used in an amount of 0.1wt.% to 1wt.% of the sum of the amounts of the anhydrite and the compound material;
the amount of the retarder is 0.01wt.% to 2wt.% of the sum of the amounts of the anhydrite and the complex admixture material.
Third item, one embodiment based on the interior wall putty powder of the first and second items, the cellulose ether having a viscosity of 40000mpa · s to 200000mpa · s;
in another embodiment provided herein, the cellulose ether is selected from any one or more of a methyl cellulose ether, a hydroxypropyl methyl cellulose ether, a carboxymethyl cellulose ether.
Fourth, in an embodiment based on the interior wall putty powder of the first to third, the thixotropic agent is selected from any one or more of bentonite, starch ether, kaolin and attapulgite;
in another embodiment provided herein, the starch ether is selected from the group consisting of potato modified starch ether, carboxymethyl starch wherein the potato modified starch ether has a PH of 10 (3.75% aqueous solution), a fineness of 450 μm; carboxymethyl starch PH 9, viscosity 350mpa.s.
Fifth, in an embodiment of the interior wall putty powder according to the first to fourth aspects, the retarder is selected from any one or more of protein-based retarder, citric acid, magnesium citrate, magnesium hexametaphosphate, borax, sodium carboxymethylcellulose, and hydroxyethylcellulose;
the protein gypsum retarder is one or two selected from a bone glue protein retarder and a protein gypsum retarder formed by calcium calcification of degraded polyamide.
Item six, an embodiment of the interior wall putty powder according to item one to item five, wherein the particle size of the anhydrite is 325 to 500 mesh.
In another aspect, the present application provides a method for preparing the putty powder for interior walls, which includes mixing the thixotropic agent and the cellulose ether, and then uniformly mixing the thixotropic agent and the cellulose ether with the anhydrite, the compound material and the retarder to obtain the anhydrite putty for interior walls.
In one embodiment provided herein, the raw materials are mixed using a horizontal or vertical mixer with fly-cutter dual-shaft paddles;
in still another aspect, the present application provides the use of the interior wall putty powder described above, wherein the mass ratio of the interior wall putty powder to water is 1 (0.25 to 0.50).
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. Other advantages of the present application can be realized and attained by the invention in the aspects illustrated in the description.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application are described in detail below. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
In the examples of the application, the anhydrite powder mainly comprises anhydrous calcium sulfate, has the whiteness of not less than 85 percent and the specification of 325 meshes (the screen size of 325 meshes is not more than 5 percent) and is purchased from the brocade fluorine chemistry company Limited in Anhui.
In the embodiment of the application, the main component of the ash calcium is calcium hydroxide, the specification of 325 meshes (the screen size of 325 meshes is less than or equal to 5 percent), the whiteness is 88 percent, and the ash calcium is purchased from Zhengwang building materials Co.
In the examples of the present application, the main component of the white cement is calcium silicate, specification pw.42.5, whiteness 92%, and is purchased from the white cement corporation of silver fir, west of the river.
In the examples of the present application, the building gypsum was mainly composed of beta-calcium sulfate hemihydrate, which was purchased from north new construction materials (shanxi) ltd.
In the examples of the present application, guar gum particle size 200 mesh size was purchased from chantite chemical co.
In the examples of the present application, polyvinyl alcohol having a polymerization degree of 1700 to 2400 and an alcoholysis degree of 88. + -. 5% was purchased from Changtai chemical Co., ltd, yunju.
In the examples of the present application, the corn gelatinized starch (i.e., pregelatinized starch) is a superior grade having a particle size of 80 mesh and a density of about 500kg/m 3 Purchased from Changtai chemical Co., ltd, ningpo.
In the examples of this application, the bentonite clay comprises as its main component montmorillonite, model FT-1, available from Hengbentonite, inc. of Angel.
In the examples of this application, potato modified starch ether was model number S301, pH 10 (3.75% aqueous solution), fineness 450 μm, and was purchased from Everest, netherlands.
In the examples of this application, hydroxypropyl methylcellulose ether was model GMC8513B, viscosity 75000mPa · s, and was purchased from Shanghai Hui Guanghong Fine chemical Co., ltd.
In the examples of this application, the carboxymethyl cellulose ether is of the type CMC-ZX1, viscosity 800 mpa.s to 1000 mpa.s, available from Hennuo cellulose, inc., shandong.
In the examples of this application, carboxymethyl starch, type CMS-2, viscosity 400mPa · s, pH 9, was purchased from Hennuo cellulose, inc., shandong.
In the examples of this application, the retarder type was edman power first, a protein retarder, purchased from stellar county, repopulite retarder limited.
Example 1
1000 parts of anhydrite, 4 parts of bentonite, 2.5 parts of hydroxypropyl methyl cellulose ether, 0.4 part of potato modified starch ether and 1 part of polyvinyl alcohol.
The preparation method of the interior wall putty powder provided by the embodiment is to crush and grind anhydrite into 325-mesh powder; sequentially metering 100 parts by weight of anhydrite powder, 4 parts by weight of bentonite, 2.5 parts by weight of hydroxypropyl methyl cellulose ether, 0.4 part by weight of potato modified starch ether and 1 part by weight of polyvinyl alcohol, adding the materials into a stirrer for premixing, and uniformly mixing and stirring the materials to obtain a premix; then measuring 900 parts by weight of anhydrite powder and 107.9 parts by weight of premix in turn, adding the mixture into a stirrer for mixing, and obtaining the finished product of the interior wall anhydrite putty after even mixing and stirring.
Example 2
1000 parts of anhydrite, 4 parts of bentonite, 4 parts of carboxymethyl cellulose ether, 2 parts of carboxymethyl starch and 5 parts of pregelatinized starch.
The preparation method comprises the steps of crushing and grinding anhydrite into 325 meshes of powder; sequentially metering 100 parts by weight of anhydrite powder, 4 parts by weight of bentonite, 4 parts by weight of carboxymethyl cellulose ether, 2 parts by weight of carboxymethyl starch and 5 parts by weight of pregelatinized starch, adding the materials into a stirrer for premixing, and uniformly mixing and stirring the materials to obtain a premix; then measuring 900 parts by weight of anhydrite powder and 115 parts by weight of premix in turn, adding the mixture into a stirrer for mixing, and obtaining the finished product of the interior wall anhydrite putty after even mixing and stirring.
Example 3
750 parts of anhydrite, 250 parts of ash calcium, 4 parts of bentonite and 2.5 parts of hydroxypropyl methyl cellulose ether.
The preparation method comprises the steps of crushing and grinding anhydrite into 325 meshes of powder; sequentially metering 100 parts by weight of anhydrite powder, 4 parts by weight of bentonite and 2.5 parts by weight of hydroxypropyl methyl cellulose ether, adding the measured materials into a stirrer for premixing, uniformly mixing and stirring to obtain a premix, sequentially metering 650 parts by weight of anhydrite powder, 250 parts by weight of gray calcium and 106.5 parts by weight of premix, adding the measured materials into the stirrer for mixing, and uniformly mixing and stirring to obtain the finished product of the interior wall anhydrite putty.
Example 4
850 parts of anhydrite, 150 parts of white cement, 4 parts of bentonite, 2 parts of hydroxypropyl methyl cellulose ether and 1 part of guar gum.
The preparation method comprises the steps of crushing and grinding anhydrite into 325 meshes of powder; sequentially metering 100 parts by weight of anhydrite powder, 4 parts by weight of bentonite, 2 parts by weight of hydroxypropyl methyl cellulose ether and 1 part by weight of guar gum, adding the measured materials into a stirrer for premixing, uniformly mixing and stirring to obtain a premix, sequentially metering 750 parts by weight of anhydrite powder, 150 parts by weight of white cement and 107 parts by weight of the premix, adding the measured materials into the stirrer for mixing, and uniformly mixing and stirring to obtain the finished product of the interior wall anhydrite putty.
Example 5
800 parts of anhydrite, 200 parts of building gypsum powder, 4 parts of bentonite, 2 parts of hydroxypropyl methyl cellulose ether and 0.5 part of protein retarder.
The preparation method comprises the steps of crushing and grinding anhydrite into 325-mesh powder; sequentially metering 100 parts by weight of anhydrite powder, 4 parts by weight of bentonite and 2 parts by weight of hydroxypropyl methyl cellulose ether, adding the measured materials into a stirrer for premixing, uniformly mixing and stirring to obtain a premix, sequentially metering 700 parts by weight of anhydrite powder, 200 parts by weight of building gypsum powder, 106 parts by weight of premix and 0.5 part by weight of protein retarder, adding the measured materials into the stirrer for mixing, and uniformly mixing and stirring to obtain the finished product of the interior wall anhydrite putty.
Comparative example 1
700 parts of anhydrite, 4 parts of bentonite, 2.5 parts of hydroxypropyl methyl cellulose ether, 0.4 part of potato modified starch ether and 300 parts of polyvinyl alcohol (the composite doping material is more than one third of the using amount of the anhydrite).
The manufacturer, the type, the specification and the model of the raw materials and the preparation process of the interior wall gypsum putty are completely the same as those in the embodiment 1.
Comparative example 2
1000 parts of anhydrite, 4 parts of bentonite, 2.5 parts of hydroxypropyl methyl cellulose ether, 0.4 part of potato modified starch ether and 0.09 part of polyvinyl alcohol (the content of the composite doping material is less than one thousandth of the usage amount of the anhydrite).
The manufacturer, the type, the specification and the model of the raw materials and the preparation process of the interior wall gypsum putty are completely the same as those in the embodiment 1.
The performance of the gypsum putty powder prepared in the examples and the comparative examples is tested, and the mass ratio of the putty powder prepared in the examples and the comparative examples to water is 1; example 2 is 1; example 3 is 1; example 4 is 1; example 5 is 1; comparative example 1 is 1; the comparative example 2 is 1.
Table 1: examples and comparative examples effectiveness test
As can be seen from the table 1, the slurry formed by mixing the interior anhydrite putty prepared in the embodiment 1-5 of the application and water has no agglomeration in a container, uniform dispersion, no obstacle in construction blade coating, manual polishing and convenient construction operation; the drying time (surface drying) is relatively fast, and the construction period can be effectively shortened; when the putty is smeared to 5mm, no obvious sagging phenomenon exists, the bonding strength in a standard state meets the requirement of the interior wall anhydrite putty, and the putty can be smeared smoothly without the phenomena of peeling and the like.
Claims (10)
1. An interior wall putty powder, wherein the interior wall putty powder comprises: anhydrite and a compound doping material; the weight ratio of the anhydrite to the compound doping material is (1000;
the complex doped material comprises any one or more of inorganic materials and organic materials;
the inorganic material is selected from any one or more of lime calcium, cement, building gypsum and lime; the organic material is selected from any one or more of guar gum, polyvinyl alcohol, pregelatinized starch and gum powder.
2. The interior wall putty powder according to claim 1, wherein the interior wall putty powder comprises anhydrite, a compound material, a thixotropic agent, and cellulose ether;
optionally, the interior wall putty powder further comprises a set retarder;
optionally, the amount of the thixotropic agent is 0.02wt.% to 2wt.% of the sum of the amounts of the anhydrite and the compound material;
optionally, the cellulose ether is present in an amount of 0.1 to 1wt.% of the sum of the amounts of anhydrite and the codoped material;
optionally, the retarder is present in an amount of 0.01wt.% to 2wt.% of the sum of the amounts of anhydrite and the compound material.
3. The interior wall putty powder according to claim 2, wherein the cellulose ether has a viscosity of from 800 mpa-s to 200000 mpa-s;
optionally, the cellulose ether is selected from any one or more of methyl cellulose ether, hydroxypropyl methyl cellulose ether, carboxymethyl cellulose ether.
4. The interior wall putty powder according to claim 2, wherein the thixotropic agent is selected from any one or more of bentonite, starch ether, kaolin, and attapulgite.
5. The interior wall putty powder according to claim 4, wherein the starch ether is selected from any one or both of potato modified starch ether and carboxymethyl starch.
6. The interior wall putty powder according to claim 5, wherein the potato modified starch ether has a pH of 9.5 to 11 (3.75% aqueous solution) and a fineness of no greater than 500 μm;
alternatively, the carboxymethyl starch has a pH of 8 to 10 and a viscosity of 300mpa.s to 400mpa.s.
7. The interior wall putty powder according to any one of claims 2 to 6, wherein the retarder is selected from any one or more of a protein-based retarder, citric acid, magnesium citrate, magnesium hexametaphosphate, borax, sodium carboxymethylcellulose, and hydroxyethylcellulose;
the protein retarder is one or two of bone glue protein retarder and protein gypsum retarder formed by calcium calcification of degraded polyamide.
8. The interior wall putty powder according to any one of claims 2 to 5, wherein the particle size of the anhydrite is 325 to 500 mesh.
9. The preparation method of the interior wall putty powder according to any one of claims 2 to 8, wherein the preparation method comprises the steps of mixing the thixotropic agent and the cellulose ether and then uniformly mixing the thixotropic agent and the cellulose ether with the anhydrite, the complex doping material and the retarder.
10. Use of the interior wall putty powder according to any one of claims 1 to 8, wherein the mass ratio of the interior wall putty powder to water is 1 (0.25 to 0.50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210833953.0A CN115232504A (en) | 2022-07-14 | 2022-07-14 | Interior wall putty |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210833953.0A CN115232504A (en) | 2022-07-14 | 2022-07-14 | Interior wall putty |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116218276A (en) * | 2023-04-17 | 2023-06-06 | 弋阳县华裕建筑材料有限公司 | Interior wall smooth putty powder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810556A (en) * | 2019-03-05 | 2019-05-28 | 浙江志强涂料有限公司 | One pack system gypsum base water proof putty and its construction method |
| CN112645676A (en) * | 2020-12-28 | 2021-04-13 | 上海三棵树防水技术有限公司 | Quick-drying quick-hardening water-resistant putty for interior walls and preparation method thereof |
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2022
- 2022-07-14 CN CN202210833953.0A patent/CN115232504A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810556A (en) * | 2019-03-05 | 2019-05-28 | 浙江志强涂料有限公司 | One pack system gypsum base water proof putty and its construction method |
| CN112645676A (en) * | 2020-12-28 | 2021-04-13 | 上海三棵树防水技术有限公司 | Quick-drying quick-hardening water-resistant putty for interior walls and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116218276A (en) * | 2023-04-17 | 2023-06-06 | 弋阳县华裕建筑材料有限公司 | Interior wall smooth putty powder |
| CN116218276B (en) * | 2023-04-17 | 2024-02-02 | 弋阳县华裕建筑材料有限公司 | Interior wall smooth putty powder |
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Application publication date: 20221025 |