CN107903769A - A kind of heat-insulation and heat-preservation interior wall coating and preparation method thereof - Google Patents
A kind of heat-insulation and heat-preservation interior wall coating and preparation method thereof Download PDFInfo
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- CN107903769A CN107903769A CN201711236281.0A CN201711236281A CN107903769A CN 107903769 A CN107903769 A CN 107903769A CN 201711236281 A CN201711236281 A CN 201711236281A CN 107903769 A CN107903769 A CN 107903769A
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- 238000000576 coating method Methods 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 239000011248 coating agent Substances 0.000 title claims abstract description 32
- 238000009413 insulation Methods 0.000 title claims abstract description 21
- 238000004321 preservation Methods 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 57
- 239000002994 raw material Substances 0.000 claims abstract description 56
- 239000003822 epoxy resin Substances 0.000 claims abstract description 47
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229920002261 Corn starch Polymers 0.000 claims abstract description 30
- 239000008120 corn starch Substances 0.000 claims abstract description 30
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 15
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 8
- 239000000839 emulsion Substances 0.000 claims abstract description 7
- 239000010881 fly ash Substances 0.000 claims description 76
- 238000003756 stirring Methods 0.000 claims description 50
- 239000000243 solution Substances 0.000 claims description 38
- 238000001035 drying Methods 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 35
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 31
- 229910052710 silicon Inorganic materials 0.000 claims description 31
- 239000010703 silicon Substances 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 26
- 239000007787 solid Substances 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000010451 perlite Substances 0.000 claims description 23
- 235000019362 perlite Nutrition 0.000 claims description 23
- 239000012188 paraffin wax Substances 0.000 claims description 22
- 238000001354 calcination Methods 0.000 claims description 21
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 20
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 20
- 238000005303 weighing Methods 0.000 claims description 20
- 239000002518 antifoaming agent Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000007873 sieving Methods 0.000 claims description 15
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 14
- 229920013822 aminosilicone Polymers 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 13
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 12
- 239000004014 plasticizer Substances 0.000 claims description 12
- 239000002562 thickening agent Substances 0.000 claims description 12
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 10
- KEZYHIPQRGTUDU-UHFFFAOYSA-N 2-[dithiocarboxy(methyl)amino]acetic acid Chemical compound SC(=S)N(C)CC(O)=O KEZYHIPQRGTUDU-UHFFFAOYSA-N 0.000 claims description 7
- 229920001046 Nanocellulose Polymers 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims description 6
- 108090000790 Enzymes Proteins 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 6
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- AKXLEJCXACGKIP-UHFFFAOYSA-N (4-chloro-3-hydroxybutyl)-dimethylazanium;chloride Chemical compound [Cl-].C[NH+](C)CCC(O)CCl AKXLEJCXACGKIP-UHFFFAOYSA-N 0.000 claims description 5
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 5
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 5
- 239000004367 Lipase Substances 0.000 claims description 5
- 102000004882 Lipase Human genes 0.000 claims description 5
- 108090001060 Lipase Proteins 0.000 claims description 5
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 5
- 229910001626 barium chloride Inorganic materials 0.000 claims description 5
- 239000000440 bentonite Substances 0.000 claims description 5
- 229910000278 bentonite Inorganic materials 0.000 claims description 5
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 239000007853 buffer solution Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- CBMPTFJVXNIWHP-UHFFFAOYSA-L disodium;hydrogen phosphate;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound [Na+].[Na+].OP([O-])([O-])=O.OC(=O)CC(O)(C(O)=O)CC(O)=O CBMPTFJVXNIWHP-UHFFFAOYSA-L 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 5
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 235000019421 lipase Nutrition 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- -1 methyl hydroxypropyl Chemical group 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 238000000967 suction filtration Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 claims description 4
- 102100022624 Glucoamylase Human genes 0.000 claims description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
- 239000002480 mineral oil Substances 0.000 claims description 4
- 235000010446 mineral oil Nutrition 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 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
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 241001417490 Sillaginidae Species 0.000 abstract 1
- 238000005703 Whiting synthesis reaction Methods 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 abstract 1
- 229940099112 cornstarch Drugs 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of heat-insulation and heat-preservation interior wall coating and preparation method thereof, is related to technical field of coatings, includes the raw material of following part meter：75 ~ 85 parts of 55 ~ 65 parts of modifying epoxy resin by organosilicon, 45 ~ 55 parts of styrene-acrylic emulsion, 40 ~ 45 parts of modified coal ash, 30 ~ 35 parts of modified pearl rock, 25 ~ 30 parts of rubber powder, 20 ~ 25 parts of modified porous cornstarch, 20 ~ 25 parts of hollow nano TiO2 oyster shell whitings complex, 15 ~ 20 parts of auxiliary agent and deionized water.The present invention has good heat insulation and preservation effect, energy conservation and environmental protection.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a heat-insulating and heat-preserving interior wall coating and a preparation method thereof.
Background
Indoor pollution caused by the conventional decorative materials which are widely used at present draws more and more high attention of people, and in recent years, common environment-friendly coatings appear on the market, do not pollute the environment, do not release harmful substances to human bodies, but have poor heat insulation and preservation effects and no energy-saving effect.
Disclosure of Invention
The invention aims to provide a heat-insulation and heat-preservation interior wall coating and a preparation method thereof, which have good heat-insulation and heat-preservation effects and are energy-saving and environment-friendly.
The invention provides the following technical scheme: a heat-insulation and heat-preservation interior wall coating comprises the following raw materials in parts by weight: 55-65 parts of organic silicon modified epoxy resin and 45-5 parts of styrene-acrylic emulsion5 parts of modified fly ash 40-45 parts, 30-35 parts of modified perlite, 25-30 parts of rubber powder, 20-25 parts of modified porous corn starch and nano hollow TiO220-25 parts of shell powder complex, 15-20 parts of auxiliary agent and 75-85 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 35-40 parts of epoxy resin, 10-15 parts of amino silicone oil and 9-11 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 25-35 parts of fly ash, 15-20 parts of silica sol and 10-15 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 9-11 parts of nano sodium carbonate, 9-11 parts of lithium chloride powder, 4-6 parts of nano cellulose, 4-6 parts of calcium carbonate powder and 4-6 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 4-6 parts of a defoaming agent, 4-6 parts of a water-retaining agent, 2-3 parts of a dispersing agent, 2-3 parts of a plasticizer and 1-2 parts of a thickening agent.
Preferably, the feed comprises the following raw materials in parts by weight: 60 parts of organic silicon modified epoxy resin, 50 parts of styrene-acrylic emulsion, 42.5 parts of modified fly ash, 32.5 parts of modified perlite, 27.5 parts of rubber powder, 22.5 parts of modified porous corn starch and nano hollow TiO222.5 parts of shell powder complex, 17.5 parts of auxiliary agent and 80 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 37.8 parts of epoxy resin, 12.5 parts of amino silicone oil and 10 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 30 parts of fly ash, 17.5 parts of silica sol and 12.5 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 10 parts of nano sodium carbonate, 10 parts of lithium chloride powder, 5 parts of nano cellulose, 5 parts of calcium carbonate powder and 5 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 5 parts of defoaming agent, 5 parts of water-retaining agent, 2.5 parts of dispersing agent, 2.5 parts of plasticizer and 1.5 parts of thickening agent.
Preferably, the modified perlite comprises the following raw materials in parts by weight: 15-20 parts of perlite, 2-3 parts of N-hydroxymethyl acrylamide, 2-3 parts of 3-chloro-2-hydroxypropyl trimethylamine hydrochloride, 1-2 parts of triethanolamine, 1-2 parts of polyvinyl alcohol, 0.8-1.2 parts of methyl acrylate, 0.8-1.2 parts of magnesium chloride and 8-10 parts of water.
Preferably, the preparation method of the modified perlite comprises the following steps: taking perlite, crushing the perlite, sieving the perlite with a 300-400-mesh sieve, adding the rest raw materials, stirring the perlite at a rotating speed of 200-250 r/min for 50-55 min, heating the perlite to 85 ℃, continuing stirring for 20-25 min, filtering the obtained solid, washing the solid with deionized water for 2-3 times, drying the solid, placing the dried solid in a calcining furnace, and calcining the solid for 3-4 h at the temperature of 200-300 ℃ to obtain the modified perlite.
Preferably, the preparation method of the porous corn starch comprises the following steps: weighing corn starch, adding the corn starch into a disodium hydrogen phosphate-citric acid buffer solution with the pH value of 4.0-5.5, uniformly stirring to obtain a starch suspension with the concentration of 12-20 wt%, carrying out thermostatic water bath at 55-60 ℃ for 20-30 min, adding 4-6% of mixed enzyme liquid prepared from lipase and glucoamylase according to the ratio of 1: 2-3, reacting at 50-55 ℃ for 10-12 h, adjusting the pH value to 8-9, and stopping the reaction; and (3) performing centrifugal separation, suction filtration and dehydration, washing with distilled water for 2-3 times, drying, crushing, and sieving with a 250-300-mesh sieve to obtain the porous corn starch.
Preferably, the preparation of nano hollow TiO2The preparation method of the shell powder complex comprises the following steps:
weighing shell powder, adding the shell powder to 1mol/L Ti (SO)4)2Mixing and stirring the mixed solution for 2-3 h at the rotating speed of 100-150 r/min, standing and aging for 3-5 h to obtain a pretreatment solution, adjusting the pH value of the pretreatment solution to be neutral to ensure complete precipitation of titanium dioxide, and continuously standing and aging for 2-3 h to obtain an aged solution;
carrying out centrifugal washing reaction on the aged solution until no SO exists in barium chloride detection4 2-Until the ions are generated, the ion-generating material,drying the washed solution at 60-80 ℃, calcining the obtained mixture at 300-500 ℃ for 1-2 h to obtain the nano hollow TiO2-shell powder complex.
Preferably, the defoaming agent is a mineral oil defoaming agent or a silicone defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, the dispersing agent is sodium tripolyphosphate or sodium hexametaphosphate, the plasticizer is dibutyl phthalate or octyl phthalate, and the thickening agent is modified bentonite.
Preferably, the preparation method of the modified bentonite comprises the following steps: putting bentonite into a boric acid aqueous solution, mixing and stirring at a rotating speed of 300-400 r/min for 20-30 min, filtering, retaining filter residues, washing with water until the pH value is 7, drying the filter residues, and calcining at 200-300 ℃ for 3-4 h to obtain the modified bentonite.
The invention provides a preparation method of a heat-insulation and heat-preservation interior wall coating, which comprises the following steps:
(1) preparing the organic silicon modified epoxy resin
Weighing amino silicone oil and epoxy resin, mixing, dissolving in acetone, stirring at a rotating speed of 200-220 r/min for 30-40 min, heating to 80-95 ℃, reacting for 1-2 h, after the reaction is finished, carrying out reduced pressure distillation to remove acetone to obtain a mixed material, adding diaminodiphenylmethane into the mixed material, stirring and mixing at a rotating speed of 100-200 r/min for 10-20 min, drying, and cooling to obtain the organic silicon modified epoxy resin for later use;
(2) preparing modified fly ash
Weighing fly ash, adding the fly ash into 3-5 mol/L hydrochloric acid solution in an amount which is 4-5 times the weight of the fly ash, stirring the mixture for full reaction, filtering and washing the mixture to be neutral, and then filtering and drying the fly ash after the reaction until the water content is lower than 0.05% to obtain pretreated fly ash for later use;
heating paraffin to 80-85 ℃, adding the pretreated fly ash, stirring and mixing at the rotating speed of 30-40 r/min for 30-50 min to obtain fly ash with paraffin adsorbed by a capillary, mixing with silica sol, controlling the pH value of the system to be 10-11, stirring to form mixed gel, dehydrating and drying the mixed gel, roasting at 700-800 ℃ for 40-50 min, cooling and sieving to obtain modified fly ash;
(3) and (3) uniformly mixing the organic silicon modified epoxy resin obtained in the step (1) and the modified fly ash obtained in the step (2), adding the rest raw materials, and uniformly dispersing to obtain the heat-insulating and heat-preserving interior wall coating.
The invention has the beneficial effects that: the heat insulation and preservation device has good heat insulation and preservation effects, is energy-saving and environment-friendly, and specifically comprises the following components:
(1) modifying the fly ash to obtain the surface-coated SiO2The modified fly ash is pretreated during modification to remove iron, paraffin is heated to 80-85 ℃ to obtain molten paraffin, fly ash with paraffin adsorbed by capillary tubes is further obtained, and the surface of the fly ash is coated with SiO2The paraffin is adsorbed in front, so that the original porous structure of the fly ash is protected, and the fly ash has good heat insulation and reflection heat insulation properties; performing surface coating with SiO2Coating SiO on the surface2When the silica sol is used as a raw material, the price is low, and when the silica sol is coated on the surface, the silica sol does not need to be firstly formed, but gel is directly formed, so that the working procedure is simplified, and the cost is effectively reduced;
(2) the modified perlite is added into the raw materials, N-hydroxymethyl acrylamide, triethanolamine, polyvinyl alcohol, methyl acrylate, magnesium chloride and water are adopted to prepare a modified solution, and the perlite modified by the modified solution has higher adsorption and decomposition capacities of long paraffin and polycyclic aromatic hydrocarbon yield, plays a role in purifying air, obviously improves the mechanical property and improves the wear resistance of the coating; the adopted perlite has low cost, abundant reserves and simple production process, and after calcination treatment, the perlite forms more closed small pores, thereby further improving the heat insulation performance;
(3) the rubber powder is added into the raw materials, so that the function of a curing agent is achieved, the curing time can be greatly shortened, and the curing strength is improved;
(4) the porous corn starch is added into the raw materials, so that the water resistance, the washing resistance and the binding power of the corn starch are obviously improved, and meanwhile, the viscosity of the starch base meets the construction requirement of the coating, and the coating has good fluidity, high adhesive force and excellent brushing performance;
(5) the organic silicon modified epoxy resin is used as one of main raw materials, the epoxy resin is modified by amino silicone oil and diaminodiphenylmethane, and the number average molecular weight of the epoxy resin is preferably 10000-14000 g/mol, so that the organic silicon modified epoxy resin can keep the original physical and chemical properties of the epoxy resin at a good temperature, has good dielectric property, strong toughness, small deformation shrinkage and good dimensional stability, and improves the anti-aging property and the bonding degree.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
A heat-insulation and heat-preservation interior wall coating comprises the following raw materials in parts by weight:
55 parts of organic silicon modified epoxy resin;
45 parts of styrene-acrylic emulsion;
40 parts of modified fly ash;
30 parts of modified perlite;
25 parts of rubber powder;
20 parts of modified porous corn starch;
nano hollow TiO220 parts of shell powder complex;
15 parts of an auxiliary agent;
75 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 35 parts of epoxy resin, 10 parts of amino silicone oil and 9 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 25 parts of fly ash, 15 parts of silica sol and 10 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 9 parts of nano sodium carbonate, 9 parts of lithium chloride powder, 4 parts of nano cellulose, 4 parts of calcium carbonate powder and 4 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 4 parts of defoaming agent, 4 parts of water-retaining agent, 2 parts of dispersing agent, 2 parts of plasticizer and 1 part of thickening agent.
Wherein,
the modified perlite comprises the following raw materials in parts by weight: 15 parts of perlite, 2 parts of N-hydroxymethyl acrylamide, 2 parts of 3-chloro-2-hydroxypropyl trimethylamine hydrochloride, 1 part of triethanolamine, 1 part of polyvinyl alcohol, 0.8 part of methyl acrylate, 0.8 part of magnesium chloride and 8 parts of water.
The preparation method of the modified perlite comprises the following steps: taking perlite, crushing and sieving the perlite with a 300-mesh sieve, adding the rest raw materials, stirring the mixture for 50min at a rotating speed of 200r/min, heating the mixture to 85 ℃, continuing stirring the mixture for 20min, filtering the obtained solid, washing the solid with deionized water for 2 times, drying the solid, placing the dried solid in a calcining furnace, and calcining the solid for 3h at the temperature of 200 ℃ to obtain the modified perlite.
The preparation method of the porous corn starch comprises the following steps: weighing corn starch, adding the corn starch into a disodium hydrogen phosphate-citric acid buffer solution with the pH value of 4.0, uniformly stirring to obtain a starch suspension with the concentration of 12 wt%, carrying out constant-temperature water bath at 55 ℃ for 20min, adding 4% of mixed enzyme liquid prepared from lipase and glucoamylase according to the ratio of 1:2, reacting at 50 ℃ for 10h, adjusting the pH value to 8, and stopping the reaction; and (3) performing centrifugal separation, suction filtration and dehydration, washing with distilled water for 2 times, drying, crushing, and sieving with a 250-mesh sieve to obtain the porous corn starch.
The preparation of the nano hollow TiO2The preparation method of the shell powder complex comprises the following steps:
weighing shell powder, adding the shell powder to 1mol/L Ti (SO)4)2Mixing and stirring the mixture in the solution at a rotating speed of 100r/min for 2 hours, standing and aging the mixture for 3 hours to obtain a pretreatment solution, adjusting the pH value of the pretreatment solution to be neutral to ensure that the titanium dioxide is completely precipitated, and continuously standing and aging the mixture for 2 hours to obtain an aged solution;
carrying out centrifugal washing reaction on the aged solution until no SO exists in barium chloride detection4 2-Until the ions are removed, drying the washed solution at 60 ℃ to obtain a mixture, and calcining the mixture at 300 ℃ for 1h to obtain the nano hollow TiO2-shell powder complex.
The defoaming agent is mineral oil defoaming agent, the water retention agent is high-viscosity methyl hydroxypropyl cellulose ether, the dispersing agent is sodium hexametaphosphate, the plasticizer is octyl phthalate, and the thickening agent is modified bentonite.
The preparation method of the modified bentonite comprises the following steps: putting bentonite into boric acid water solution, mixing and stirring for 20min at the rotating speed of 300r/min, filtering, retaining filter residue, washing with water until the pH value is 7, drying the filter residue, and calcining for 3h at the temperature of 200 ℃ to obtain the modified bentonite.
The embodiment provides a preparation method of a heat-insulation and heat-preservation interior wall coating, which comprises the following steps:
(1) preparing the organic silicon modified epoxy resin
Weighing amino silicone oil and epoxy resin, mixing, dissolving in acetone, stirring at a rotating speed of 200r/min for 30min, heating to 80 ℃, reacting for 1h, after the reaction is finished, carrying out reduced pressure distillation to remove acetone to obtain a mixed material, adding diaminodiphenylmethane, stirring and mixing at a rotating speed of 100r/min for 10min, drying, and cooling to obtain the organic silicon modified epoxy resin for later use;
(2) preparing modified fly ash
Weighing fly ash, adding the fly ash into 3mol/L hydrochloric acid solution of 4 times of the weight of the fly ash, stirring the mixture for full reaction, filtering and washing the mixture to be neutral, and then filtering and drying the fly ash after the reaction until the water content is lower than 0.05 percent to obtain pretreated fly ash for later use;
heating paraffin to 80 ℃, adding pretreated fly ash, stirring and mixing at a rotating speed of 30r/min for 30min to obtain fly ash with paraffin adsorbed by a capillary, then mixing with silica sol, controlling the pH value of the system to be 10, stirring to form mixed gel, dehydrating and drying the mixed gel, roasting at 700 ℃ for 40min, cooling and sieving to obtain modified fly ash;
(3) and (3) uniformly mixing the organic silicon modified epoxy resin obtained in the step (1) and the modified fly ash obtained in the step (2), adding the rest raw materials, and uniformly dispersing to obtain the heat-insulating and heat-preserving interior wall coating.
Example 2
A heat-insulation and heat-preservation interior wall coating comprises the following raw materials in parts by weight:
65 parts of organic silicon modified epoxy resin;
55 parts of styrene-acrylic emulsion;
45 parts of modified fly ash;
35 parts of modified perlite;
30 parts of rubber powder;
25 parts of modified porous corn starch;
nano hollow TiO225 parts of shell powder complex;
20 parts of an auxiliary agent;
85 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 40 parts of epoxy resin, 15 parts of amino silicone oil and 11 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 35 parts of fly ash, 20 parts of silica sol and 15 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 11 parts of nano sodium carbonate, 11 parts of lithium chloride powder, 6 parts of nano cellulose, 6 parts of calcium carbonate powder and 6 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 6 parts of defoaming agent, 6 parts of water-retaining agent, 3 parts of dispersing agent, 3 parts of plasticizer and 2 parts of thickening agent.
Wherein,
the modified perlite comprises the following raw materials in parts by weight: 20 parts of perlite, 3 parts of N-hydroxymethyl acrylamide, 3 parts of 3-chloro-2-hydroxypropyl trimethylamine hydrochloride, 2 parts of triethanolamine, 2 parts of polyvinyl alcohol, 1.2 parts of methyl acrylate, 1.2 parts of magnesium chloride and 10 parts of water.
The preparation method of the modified perlite comprises the following steps: taking perlite, crushing and sieving the perlite with a 400-mesh sieve, adding the rest raw materials, stirring the mixture for 55min at a rotating speed of 250r/min, heating the mixture to 85 ℃, continuing stirring the mixture for 25min, filtering the obtained solid, washing the solid with deionized water for 3 times, drying the solid, placing the dried solid in a calcining furnace, and calcining the solid for 4h at the temperature of 300 ℃ to obtain the modified perlite.
The preparation method of the porous corn starch comprises the following steps: weighing corn starch, adding the corn starch into a disodium hydrogen phosphate-citric acid buffer solution with the pH value of 5.5, uniformly stirring to obtain a starch suspension with the concentration of 20 wt%, carrying out constant-temperature water bath at 60 ℃ for 30min, adding 6% of mixed enzyme liquid prepared from lipase and saccharifying enzyme according to the ratio of 1: 3, reacting at 55 ℃ for 12h, adjusting the pH value to 9, and stopping the reaction; and (3) performing centrifugal separation, suction filtration and dehydration, washing with distilled water for 3 times, drying, crushing, and sieving with a 300-mesh sieve to obtain the porous corn starch.
The preparation of the nano hollow TiO2The preparation method of the shell powder complex comprises the following steps:
weighing shell powder, adding the shell powder to 1mol/L Ti (SO)4)2In the solution, mixing and stirring at the rotating speed of 150r/min for 3h, standing and aging for 5h to obtain a pretreatment solution, adjusting the pH value of the pretreatment solution to be neutral to ensure complete precipitation of titanium dioxide, and continuously standing and aging for 3h to obtain an aged solution;
carrying out centrifugal washing reaction on the aged solution until no SO exists in barium chloride detection4 2-Until the ions are removed, drying the washed solution at 80 ℃ to obtain a mixture, and calcining the mixture at 500 ℃ for 2h to obtain the nano hollow TiO2-shell powder complex.
The defoaming agent is mineral oil defoaming agent, the water retention agent is high-viscosity methyl hydroxypropyl cellulose ether, the dispersing agent is sodium hexametaphosphate, the plasticizer is octyl phthalate, and the thickening agent is modified bentonite.
The preparation method of the modified bentonite comprises the following steps: putting bentonite into boric acid water solution, mixing and stirring for 30min at the rotating speed of 400r/min, filtering, retaining filter residue, washing with water until the pH value is 7, drying the filter residue, and calcining for 4h at 300 ℃ to obtain the modified bentonite.
In this embodiment 2, a preparation method of a thermal insulation interior wall coating is provided, which includes the following steps:
(1) preparing the organic silicon modified epoxy resin
Weighing amino silicone oil and epoxy resin, mixing, dissolving in acetone, stirring for 40min at a rotating speed of 220r/min, heating to 95 ℃, reacting for 2h, after the reaction is finished, carrying out reduced pressure distillation to remove acetone to obtain a mixed material, adding diaminodiphenylmethane into the mixed material, stirring and mixing for 20min at a rotating speed of 200r/min, drying, and cooling to obtain the organic silicon modified epoxy resin for later use;
(2) preparing modified fly ash
Weighing fly ash, adding the fly ash into 5 times of 5mol/L hydrochloric acid solution by weight, stirring for full reaction, filtering, washing with water to be neutral, filtering the fly ash after reaction, and drying until the water content is lower than 0.05% to obtain pretreated fly ash for later use;
heating paraffin to 85 ℃, adding pretreated fly ash, stirring and mixing at the rotating speed of 40r/min for 50min to obtain fly ash with paraffin adsorbed by a capillary, then mixing with silica sol, controlling the pH value of the system to be 11, stirring to form mixed gel, dehydrating and drying the mixed gel, roasting at 800 ℃ for 50min, cooling and sieving to obtain modified fly ash;
(3) and (3) uniformly mixing the organic silicon modified epoxy resin obtained in the step (1) and the modified fly ash obtained in the step (2), adding the rest raw materials, and uniformly dispersing to obtain the heat-insulating and heat-preserving interior wall coating.
Example 3
A heat-insulation and heat-preservation interior wall coating comprises the following raw materials in parts by weight:
60 parts of organic silicon modified epoxy resin;
50 parts of styrene-acrylic emulsion;
42.5 parts of modified fly ash;
32.5 parts of modified perlite;
27.5 parts of rubber powder;
22.5 parts of modified porous corn starch;
nano hollow TiO222.5 parts of shell powder complex;
17.5 parts of an auxiliary agent;
80 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 37.8 parts of epoxy resin, 12.5 parts of amino silicone oil and 10 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 30 parts of fly ash, 17.5 parts of silica sol and 12.5 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 10 parts of nano sodium carbonate, 10 parts of lithium chloride powder, 5 parts of nano cellulose, 5 parts of calcium carbonate powder and 5 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 5 parts of defoaming agent, 5 parts of water-retaining agent, 2.5 parts of dispersing agent, 2.5 parts of plasticizer and 1.5 parts of thickening agent.
Wherein,
the modified perlite comprises the following raw materials in parts by weight: 17.5 parts of perlite, 2.5 parts of N-hydroxymethyl acrylamide, 2.5 parts of 3-chloro-2-hydroxypropyl trimethylamine hydrochloride, 1.5 parts of triethanolamine, 1.5 parts of polyvinyl alcohol, 1 part of methyl acrylate, 1 part of magnesium chloride and 9 parts of water.
The preparation method of the modified perlite comprises the following steps: taking perlite, crushing and sieving the perlite with a 350-mesh sieve, adding the rest raw materials, stirring the mixture for 53min at a rotating speed of 225r/min, heating the mixture to 85 ℃, continuing stirring the mixture for 23min, filtering the obtained solid, washing the solid with deionized water for 3 times, drying the solid, placing the dried solid in a calcining furnace, and calcining the solid for 3.5h at the temperature of 250 ℃ to obtain the modified perlite.
The preparation method of the porous corn starch comprises the following steps: weighing corn starch, adding the corn starch into a disodium hydrogen phosphate-citric acid buffer solution with the pH value of 5, uniformly stirring to obtain a starch suspension with the concentration of 16 wt%, carrying out thermostatic water bath for 25min at the temperature of 57 ℃, adding 5% of mixed enzyme liquid prepared from lipase and glucoamylase according to the ratio of 1: 3, reacting for 11h at the temperature of 53 ℃, adjusting the pH value to 8.5, and stopping the reaction; and carrying out centrifugal separation, suction filtration and dehydration, washing with distilled water for 3 times, drying, crushing, and sieving with a 275-mesh sieve to obtain the porous corn starch.
The preparation of the nano hollow TiO2The preparation method of the shell powder complex comprises the following steps:
weighing shell powder, adding the shell powder to 1mol/L Ti (SO)4)2In the solution, mixing and stirring at a rotating speed of 125r/min for 2.5h, standing and aging for 4h to obtain a pretreatment solution, adjusting the pH value of the pretreatment solution to be neutral to ensure complete precipitation of titanium dioxide, and continuously standing and aging for 2.5h to obtain an aged solution;
carrying out centrifugal washing reaction on the aged solution until no SO exists in barium chloride detection4 2-Until the ions are removed, drying the washed solution at 70 ℃ to obtain a mixture, and calcining the mixture at 400 ℃ for 1.5h to obtain the nano hollow TiO2-shell powder complex.
The defoaming agent is a silicone defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, the dispersing agent is sodium tripolyphosphate, the plasticizer is octyl phthalate, and the thickening agent is modified bentonite.
The preparation method of the modified bentonite comprises the following steps: putting bentonite into boric acid water solution, mixing and stirring for 25min at the rotating speed of 350r/min, filtering, retaining filter residue, washing with water until the pH value is 7, drying the filter residue, and calcining for 3.5h at 250 ℃ to obtain the modified bentonite.
In this embodiment 3, a preparation method of a thermal insulation interior wall coating is provided, which includes the following steps:
(1) preparing the organic silicon modified epoxy resin
Weighing amino silicone oil and epoxy resin, mixing, dissolving in acetone, stirring at a rotating speed of 210r/min for 35min, heating to 85 ℃, reacting for 1.5h, after the reaction is finished, carrying out reduced pressure distillation to remove acetone to obtain a mixed material, adding diaminodiphenylmethane into the mixed material, stirring and mixing at a rotating speed of 150r/min for 15min, drying, and cooling to obtain the organic silicon modified epoxy resin for later use;
(2) preparing modified fly ash
Weighing fly ash, adding the fly ash into 4mol/L hydrochloric acid solution of which the weight is 4.5 times that of the fly ash, stirring the mixture to fully react, filtering and washing the mixture to be neutral, and then filtering and drying the reacted fly ash until the water content is lower than 0.05 percent to obtain pretreated fly ash for later use;
heating paraffin to 82 ℃, adding pretreated fly ash, stirring and mixing at a rotating speed of 35r/min for 40min to obtain fly ash with paraffin adsorbed by a capillary, then mixing with silica sol, controlling the pH value of the system to be 10.5, stirring to form mixed gel, dehydrating and drying the mixed gel, then roasting at 750 ℃ for 45min, cooling and sieving to obtain modified fly ash;
(3) and (3) uniformly mixing the organic silicon modified epoxy resin obtained in the step (1) and the modified fly ash obtained in the step (2), adding the rest raw materials, and uniformly dispersing to obtain the heat-insulating and heat-preserving interior wall coating.
While the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes can be made and equivalents can be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The heat-insulation and heat-preservation interior wall coating is characterized by comprising the following raw materials in parts by weight: 55-65 parts of organic silicon modified epoxy resin, 45-55 parts of styrene-acrylic emulsion, 40-45 parts of modified fly ash, 30-35 parts of modified perlite, 25-30 parts of rubber powder, 20-25 parts of modified porous corn starch, and nano hollow TiO220-25 parts of shell powder complex, 15-20 parts of auxiliary agent and 75-85 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 35-40 parts of epoxy resin, 10-15 parts of amino silicone oil and 9-11 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 25-35 parts of fly ash, 15-20 parts of silica sol and 10-15 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 9-11 parts of nano sodium carbonate, 9-11 parts of lithium chloride powder, 4-6 parts of nano cellulose, 4-6 parts of calcium carbonate powder and 4-6 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 4-6 parts of a defoaming agent, 4-6 parts of a water-retaining agent, 2-3 parts of a dispersing agent, 2-3 parts of a plasticizer and 1-2 parts of a thickening agent.
2. The heat-insulating and heat-preserving interior wall coating material as claimed in claim 1, which comprises the following raw materials in parts by weight: 60 parts of organic silicon modified epoxy resin, 50 parts of styrene-acrylic emulsion, 42.5 parts of modified fly ash, 32.5 parts of modified perlite, 27.5 parts of rubber powder, 22.5 parts of modified porous corn starch and nano hollow TiO222.5 parts of shell powder complex, 17.5 parts of auxiliary agent and 80 parts of deionized water;
the organic silicon modified epoxy resin comprises the following raw materials in parts by weight: 37.8 parts of epoxy resin, 12.5 parts of amino silicone oil and 10 parts of diaminodiphenylmethane;
the modified fly ash comprises the following raw materials in parts by weight: 30 parts of fly ash, 17.5 parts of silica sol and 12.5 parts of paraffin;
the rubber powder comprises the following raw materials in parts by weight: 10 parts of nano sodium carbonate, 10 parts of lithium chloride powder, 5 parts of nano cellulose, 5 parts of calcium carbonate powder and 5 parts of sodium metasilicate pentahydrate;
the auxiliary agent comprises the following raw materials in parts by weight: 5 parts of defoaming agent, 5 parts of water-retaining agent, 2.5 parts of dispersing agent, 2.5 parts of plasticizer and 1.5 parts of thickening agent.
3. The heat-insulating and heat-preserving interior wall coating material as claimed in claim 1, wherein the modified perlite comprises the following raw materials in parts by weight: 15-20 parts of perlite, 2-3 parts of N-hydroxymethyl acrylamide, 2-3 parts of 3-chloro-2-hydroxypropyl trimethylamine hydrochloride, 1-2 parts of triethanolamine, 1-2 parts of polyvinyl alcohol, 0.8-1.2 parts of methyl acrylate, 0.8-1.2 parts of magnesium chloride and 8-10 parts of water.
4. The heat-insulating and heat-preserving interior wall coating as claimed in claim 3, wherein the preparation method of the modified perlite is as follows: taking perlite, crushing the perlite, sieving the perlite with a 300-400-mesh sieve, adding the rest raw materials, stirring the perlite at a rotating speed of 200-250 r/min for 50-55 min, heating the perlite to 85 ℃, continuing stirring for 20-25 min, filtering the obtained solid, washing the solid with deionized water for 2-3 times, drying the solid, placing the dried solid in a calcining furnace, and calcining the solid for 3-4 h at the temperature of 200-300 ℃ to obtain the modified perlite.
5. The heat-insulating and heat-preserving interior wall coating material as claimed in claim 1, wherein the preparation method of the porous corn starch comprises the following steps: weighing corn starch, adding the corn starch into a disodium hydrogen phosphate-citric acid buffer solution with the pH value of 4.0-5.5, uniformly stirring to obtain a starch suspension with the concentration of 12-20 wt%, carrying out thermostatic water bath at 55-60 ℃ for 20-30 min, adding 4-6% of mixed enzyme liquid prepared from lipase and glucoamylase according to the ratio of 1: 2-3, reacting at 50-55 ℃ for 10-12 h, adjusting the pH value to 8-9, and stopping the reaction; and (3) performing centrifugal separation, suction filtration and dehydration, washing with distilled water for 2-3 times, drying, crushing, and sieving with a 250-300-mesh sieve to obtain the porous corn starch.
6. The heat-insulating and heat-preserving interior wall coating material as claimed in claim 1, wherein the nano hollow TiO is prepared2The preparation method of the shell powder complex comprises the following steps:
weighing shell powder, adding the shell powder to 1mol/L Ti (SO)4)2Mixing and stirring the mixed solution for 2-3 h at the rotating speed of 100-150 r/min, standing and aging for 3-5 h to obtain a pretreatment solution, adjusting the pH value of the pretreatment solution to be neutral to ensure complete precipitation of titanium dioxide, and continuously standing and aging for 2-3 h to obtain an aged solution;
carrying out centrifugal washing reaction on the aged solution until no SO exists in barium chloride detection4 2-Until the ions exist, drying the washed solution at the temperature of 60-80 ℃, calcining the obtained mixture at the temperature of 300-500 ℃ for 1-2 h to obtain sodiumHollow TiO of rice2-shell powder complex.
7. The heat-insulating and heat-preserving interior wall coating material as claimed in claim 1, wherein the defoaming agent is a mineral oil defoaming agent or a silicone defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, the dispersing agent is sodium tripolyphosphate or sodium hexametaphosphate, the plasticizer is dibutyl phthalate or octyl phthalate, and the thickening agent is modified bentonite.
8. The heat-insulating and heat-preserving interior wall coating material as claimed in claim 7, wherein the preparation method of the modified bentonite comprises the following steps: putting bentonite into a boric acid aqueous solution, mixing and stirring at a rotating speed of 300-400 r/min for 20-30 min, filtering, retaining filter residues, washing with water until the pH value is 7, drying the filter residues, and calcining at 200-300 ℃ for 3-4 h to obtain the modified bentonite.
9. A preparation method of the heat-insulating and heat-preserving interior wall coating according to any one of claims 1 to 8, characterized by comprising the following steps:
(1) preparing the organic silicon modified epoxy resin
Weighing amino silicone oil and epoxy resin, mixing, dissolving in acetone, stirring at a rotating speed of 200-220 r/min for 30-40 min, heating to 80-95 ℃, reacting for 1-2 h, after the reaction is finished, carrying out reduced pressure distillation to remove acetone to obtain a mixed material, adding diaminodiphenylmethane into the mixed material, stirring and mixing at a rotating speed of 100-200 r/min for 10-20 min, drying, and cooling to obtain the organic silicon modified epoxy resin for later use;
(2) preparing modified fly ash
Weighing fly ash, adding the fly ash into 3-5 mol/L hydrochloric acid solution in an amount which is 4-5 times the weight of the fly ash, stirring the mixture for full reaction, filtering and washing the mixture to be neutral, and then filtering and drying the fly ash after the reaction until the water content is lower than 0.05% to obtain pretreated fly ash for later use;
heating paraffin to 80-85 ℃, adding the pretreated fly ash, stirring and mixing at the rotating speed of 30-40 r/min for 30-50 min to obtain fly ash with paraffin adsorbed by a capillary, mixing with silica sol, controlling the pH value of the system to be 10-11, stirring to form mixed gel, dehydrating and drying the mixed gel, roasting at 700-800 ℃ for 40-50 min, cooling and sieving to obtain modified fly ash;
(3) and (3) uniformly mixing the organic silicon modified epoxy resin obtained in the step (1) and the modified fly ash obtained in the step (2), adding the rest raw materials, and uniformly dispersing to obtain the heat-insulating and heat-preserving interior wall coating.
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