CN114806289A - Primer-free water-based exterior wall latex paint and preparation method thereof - Google Patents
Primer-free water-based exterior wall latex paint and preparation method thereof Download PDFInfo
- Publication number
- CN114806289A CN114806289A CN202210092800.5A CN202210092800A CN114806289A CN 114806289 A CN114806289 A CN 114806289A CN 202210092800 A CN202210092800 A CN 202210092800A CN 114806289 A CN114806289 A CN 114806289A
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- CN
- China
- Prior art keywords
- water
- exterior wall
- primer
- latex paint
- wall latex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000003973 paint Substances 0.000 title claims abstract description 50
- 239000004816 latex Substances 0.000 title claims abstract description 37
- 229920000126 latex Polymers 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000839 emulsion Substances 0.000 claims abstract description 30
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000001913 cellulose Substances 0.000 claims abstract description 8
- 229920002678 cellulose Polymers 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 239000003513 alkali Substances 0.000 claims description 18
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000002562 thickening agent Substances 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- 239000000080 wetting agent Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 239000003755 preservative agent Substances 0.000 claims description 6
- 230000002335 preservative effect Effects 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 4
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- 239000006184 cosolvent Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- AHVOFPQVUVXHNL-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate Chemical compound COC(=O)C(C)=C.CCCCOC(=O)C=C AHVOFPQVUVXHNL-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 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 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000004111 Potassium silicate Substances 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 claims description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 229920005646 polycarboxylate Polymers 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 235000019353 potassium silicate Nutrition 0.000 claims description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical group [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052913 potassium silicate Inorganic materials 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 claims description 2
- 230000002070 germicidal effect Effects 0.000 claims 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims 1
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 abstract description 2
- 229920002125 Sokalan® Polymers 0.000 abstract 1
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 abstract 1
- 239000004566 building material Substances 0.000 abstract 1
- 238000006253 efflorescence Methods 0.000 abstract 1
- 206010037844 rash Diseases 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 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 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- XUIMIQQOPSSXEZ-NJFSPNSNSA-N silicon-30 atom Chemical compound [30Si] XUIMIQQOPSSXEZ-NJFSPNSNSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- FEIQOMCWGDNMHM-UHFFFAOYSA-N 5-phenylpenta-2,4-dienoic acid Chemical compound OC(=O)C=CC=CC1=CC=CC=C1 FEIQOMCWGDNMHM-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 244000062250 Kaempferia rotunda Species 0.000 description 1
- 235000013422 Kaempferia rotunda Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 238000005406 washing 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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
-
- 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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the 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
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention belongs to the field of building materials, and particularly relates to primer-free water-based exterior wall latex paint and a preparation method thereof. The primer-free water-based exterior wall latex paint comprises components such as polymer emulsion, silicate, cellulose, bentonite, a water-based auxiliary agent, a filler, a water-based color paste and water, and a product with outstanding high salt-efflorescence resistance is obtained by crosslinking an acrylic acid polymer, the silicate and active micro powder. This is a property that ordinary exterior wall coatings cannot have. In addition, the construction requirement under extreme conditions can be met, unnecessary construction process procedures are simplified, and economic, environment-friendly and sustainable development is really realized.
Description
Technical Field
The invention belongs to the technical field of exterior wall materials, and particularly relates to primer-free water-based exterior wall latex paint and a preparation method thereof.
Background
The main function of the exterior wall coating is to decorate and protect the surface of a building, so that the appearance of the building is neat and beautiful, thereby achieving the effects of beautifying the urban environment and protecting the exterior wall of the building, and prolonging the service life of the exterior wall coating.
The construction of the common exterior wall coating mainly comprises the following processes: firstly, insulating the outer wall with the vertical surface of the main body of the outer wall, roughly leveling mortar, plastering mortar for 2 times, leveling putty for 2 times, smoothing putty for 1 time, coating water-based special primer for the outer wall for 1 time, and coating water-based emulsion paint for the outer wall for 2 times. The drying time in the construction process is longer, and particularly in the environment with low air temperature and high humidity, the drying time is longer, so that the construction period is increased. In order to complete the project progress on time, the project construction site can not be constructed according to the requirements of the exterior wall latex paint construction process specifications, so that the risks that the product quality is influenced due to incomplete drying of a base layer, insufficient maintenance time, high salt-containing alkalinity of the base layer and the like exist, the situations that a paint film is faded, whitened and alkalized, bloomed and cracked are caused, and the project quality and the overall appearance effect are seriously influenced.
Disclosure of Invention
In order to overcome the defects that the prior water-based exterior wall latex paint needs to be coated with more than two layers and needs primer priming special for a water-based exterior wall, the invention aims to provide the primer-free water-based exterior wall latex paint.
In order to realize the purpose, the invention adopts the following technical scheme: the primer-free water-based exterior wall latex paint is prepared from the following raw materials in parts by weight:
the paint is further improved as a primer-free water-based exterior wall latex paint:
preferably, the polymerization emulsion is one or the combination of two or more of styrene-acrylate copolymer emulsion, methyl methacrylate-butyl acrylate polymer emulsion and vinyl acetate-vinyl versatate polymer emulsion, the solid content of the polymerization emulsion is 45-52 wt%, and the glass transition temperature is 20-40 ℃.
Preferably, the silicate is potassium silicate or silica sol; or the cellulose is one or the combination of two or more of hydroxyethyl cellulose and hydrophobically modified hydroxyethyl cellulose.
Preferably, the pH regulator is one or a combination of two or more of methyl propanol organosilicon pH regulators.
Preferably, the aqueous cosolvent is medical-grade propylene glycol or ethylene glycol phenyl ether with the content of more than or equal to 99 percent; or the aqueous dispersant is an ammonium polycarboxylate dispersant; or the water-based wetting agent is selected from one or a combination of two or more of an organic silicon modified wetting agent and an acrylic acid modified wetting agent; or the water-based defoaming agent is one or a combination of two or more of organic silicon, mineral oil and polyether modified defoaming agent.
Preferably, the pigment is one or a combination of two or more of titanium dioxide, iron oxide red, iron oxide yellow and iron oxide black.
Preferably, the filler is one or a combination of two or more of heavy calcium carbonate, light calcium carbonate, barium sulfate, talcum powder, calcined kaolin and mica powder.
Preferably, the thickener is an associative polyurethane-based thickener or a hydrophobically modified alkali soluble emulsion thickener.
Preferably, the antiseptic preservative is 2.5 wt% of kaempferia preservative or BIT20 benzisothiazolinone.
The invention also aims to provide a preparation method of any one primer-free water-based exterior wall latex paint, which comprises the following steps:
s1, adding water into the reactor according to the weight ratio, starting the reactor, regulating the rotation speed to be 300r/min, slowly adding cellulose, after the cellulose is fully wetted, slowly adding a pH regulator, a water-based cosolvent, a water-based film-forming assistant, a water-based dispersant, a water-based wetting agent and a water-based defoaming agent into the reactor in sequence, increasing the rotation speed to be 800r/min, stirring for 10-15 minutes, and uniformly dispersing;
s2, adding a filler and a pigment, increasing the rotating speed to 1000-1200r/min, dispersing at a high speed for 25-35min, and filtering to obtain a slurry mixture semi-finished product;
s3, reducing the rotating speed to 400-700r/min, slowly adding the polymerized emulsion and the silicate into the slurry mixture semi-finished product, stirring for 10-15min, adding the thickening agent and the sterilizing preservative, stirring uniformly, and filtering to obtain the primer-free water-based external wall emulsion paint.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention solves the defects of complicated latex paint construction process, alkali resistance and blooming resistance of the outer wall and the like in the prior art, and the simplified construction flow is as follows: firstly, the outer wall is insulated from the vertical surface of the main body of the outer wall, secondly, mortar is roughly leveled, thirdly, mortar is plastered, thirdly, putty is leveled, thirdly, putty is smoothed, fourthly, 1 time, and finally, the water-based outer wall latex paint is applied for 2 times. The water-based exterior wall latex paint can simplify the construction process, save the construction time, improve the working efficiency and meet the quality requirement of exterior wall latex paint.
The water-based exterior wall latex paint disclosed by the invention has high anti-whiskering performance, has a bottomless function and technology, a cement putty layer of a base layer does not need to be maintained additionally, a water-based exterior wall special primer does not need to be brushed on the surface of fresh cement, and the water-based exterior wall latex paint can be directly used without surface alkali resistance treatment, so that the environmental protection requirement standards of GB/T9755-2014 finish superior products, JG/T210-2018 exterior wall I film forming type and GB18582-2020 exterior wall paint are met, and compared with common exterior wall paint or common alkali resistance primer, the construction process of exterior wall paint is optimized and resources are saved.
2) The raw material design in the water-based exterior wall latex paint is based on the following principle:
the styrene-acrylic acid polymerized emulsion has the advantages of excellent alkali resistance, water whitening resistance, no formaldehyde, no APEO (alkylphenol ethoxylates), environmental protection, safety, strong penetration and sealing property, alkali resistance, saltpetering resistance, good wrapping property on powder and contribution to color development of color-mixing products. The pure acrylic emulsion (methyl methacrylate-butyl acrylate polymer emulsion) is a copolymer emulsion prepared from a plurality of acrylic esters, and has the advantages of excellent water whitening resistance, water resistance, alkali resistance, good hardness, good adhesion with a substrate, especially aging resistance, color and gloss retention, and no APEO. The vinyl acetate-vinyl versatate emulsion (vinyl acetate-vinyl versatate polymer) has excellent water resistance, alkali resistance, washing resistance, ultraviolet light resistance, chalking resistance and color retention.
The silicate material generates a 'longitudinal permeation' curing chemical reaction on the porous cement substrate, and the silicate, the high polymer emulsion and the active micro powder generate a 'transverse film forming' cross-linking curing chemical reaction and are combined with the mineral substrate in a silicification or mineralization mode. The product formed by combining the polymerized emulsion with the silicate material takes silicate as a core and is polymerized and coated with the silicate in a high molecular mode, so that the molecular chain structure of the polymerized emulsion monomer is combined with the silicate and the molecular chain of the emulsion with a shell part through chemical bonds, a higher anchoring effect is achieved, and the interaction of organic and inorganic components achieves the purposes of stronger product performance applicability and outstanding functionality.
The cellulose can provide excellent rheological property and excellent viscosity stability of the emulsion paint, and has good in-tank state and construction performance;
in the filler, mica powder is a silicate with a non-metallic mineral lamellar structure, and mainly contains 49 wt% of silicon dioxide and 30 wt% of aluminum oxide. The mica powder has the characteristics of good elasticity, toughness, insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like. The talc powder mainly contains hydrous magnesium silicate, usually has a rhombic sheet structure, a leaf-shaped and radial geometry, and mainly contains 60 wt% of silicon dioxide and 30 wt% of magnesium oxide. Has good lubrication, anti-sticking, fire resistance, acid and alkali resistance and strong adsorption capacity. The calcined kaolin is a mixture of inorganic and nonmetal materials, and has the advantages of high whiteness, strong covering power, high chemical stability, high mechanical strength, insulativity, flame retardance, weather resistance and enhanced adsorbability. The heavy calcium carbonate is a powdery inorganic filler, has better covering capacity, high strength, good heat insulation, difficult chemical reaction and economy.
Pigment titanium dioxide: rutile has good light stability, high whiteness, large covering power, strong tinting strength and easy dispersion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments of the present invention belong to the protection scope of the present invention.
The manufacturers in the following examples are abbreviations, where ashland is the abbreviation of ashland (china) investment limited, angus is the abbreviation of dow chemical company (imported product), basf is the abbreviation of basf corporation, dow is the abbreviation of dow chemical company, eastman is the abbreviation of eastman chemical company, dragon and python are the abbreviation of tetrachoria bobo ltd, xin is the abbreviation of xinhao county, xin county, non-metallic materials limited, ge is the abbreviation of amho mak sharpening limited, constant source supermarket, han xi china gaolina limited, wangao is the abbreviation of mao majon mica powder factory, badhoff is the abbreviation of dada sandzone, rodhamus is the abbreviation of U.S. hamames, au is the abbreviation of alomenhamen mains, au is the abbreviation of shanghai mao majon chemical company, and the abbreviation is the scientific and scientific names of suzhou.
The raw materials of the following table 1, examples 1 to 7, were weighed to prepare samples corresponding to the respective examples 1 to 7, according to their respective raw material compositions, and the preparation steps were as follows:
TABLE 1 EXAMPLES 1-7 raw materials composition, manufacturer and model number of the exterior wall latex paints prepared
The exterior wall latex paints prepared in examples 1-7 were subjected to the salt-overtime resistance, alkali resistance, artificial weather aging resistance and water permeability performance tests, respectively, and the structures are shown in the following table 2:
TABLE 2 results of performance testing of exterior wall latex paints according to examples 1-7
From the test results in the table 2, it can be seen that the styrene-acrylic emulsion is adopted in the examples 1 and 4, and the silica sol is not added as a control of other examples, the water-based exterior wall latex paint cases 1 and 4 can only meet the standard requirement of the GB/T9755-2014 finish paint, and does not have the standard requirement that the saltpetering resistance of the JGT210-2018 primer is more than 120h, the water-based exterior wall alkali-resistant sealing primer needs to be pretreated in the traditional construction matching process to meet the corresponding saltpetering resistance, and the saltpetering resistance can be mainly provided by the water-based alkali-resistant sealing primer. According to the invention
The exterior wall latex paint prepared by the technical scheme of the application (refer to examples 2, 3, 5, 6 and 7) realizes the bottomless performance, the water permeability is lower than that of the samples in examples 1 and 4, the exterior wall latex paint can meet the standard requirement of GB/T9755-2014 finish paint and the standard of JGT210-2018 primer paint, the salt-overtaking alkali resistance of the exterior wall latex paint is outstanding, the salt-overtaking alkali resistance of a fresh cement base layer just after construction and drying can be more than 240 hours, and the salt-overtaking alkali resistance of the exterior wall latex paint is excellent and meets the requirement of the salt-overtaking alkali resistance standard of the JGT210-2018 primer paint. The artificial weather aging resistance and the water permeability are excellent, and the requirements of the primer-free water-based exterior wall latex paint are met. Therefore, in the composite use technology of the silicate and the acrylic resin, the silicate and the substance containing silicate cement in the base layer are hydrated to form mineralized combination, and the use of the polymerized emulsion increases the sealing effect of the base layer.
It should be understood by those skilled in the art that the foregoing is only illustrative of several embodiments of the invention, and not of all embodiments. It should be noted that many variations and modifications are possible to those skilled in the art, and all variations and modifications that do not depart from the gist of the invention are intended to be within the scope of the invention as defined in the appended claims.
Claims (10)
1. The primer-free water-based exterior wall latex paint is characterized by comprising the following raw materials in parts by weight:
2. the primer-free waterborne exterior wall latex paint of claim 1, wherein the polymeric emulsion is one or a combination of two or more of styrene-acrylate copolymer emulsion, methyl methacrylate-butyl acrylate polymer emulsion and vinyl acetate-vinyl versatate polymer emulsion, the polymeric emulsion has a solid content of 45-52 wt% and a glass transition temperature of 20-40 ℃.
3. The primer-free waterborne exterior wall latex paint of claim 1, wherein said silicate is potassium silicate or silica sol; or the cellulose is one or the combination of two or more of hydroxyethyl cellulose and hydrophobically modified hydroxyethyl cellulose.
4. The primer-free waterborne exterior wall latex paint of claim 1, wherein the pH regulator is one or a combination of two or more of methyl propanol silicone pH regulators.
5. The primer-free water-based exterior wall latex paint of claim 1, wherein the water-based cosolvent is medical-grade propylene glycol or ethylene glycol phenyl ether with the content of more than or equal to 99 percent; or the aqueous dispersant is an ammonium polycarboxylate dispersant; or the water-based wetting agent is selected from one or a combination of two or more of an organic silicon modified wetting agent and an acrylic acid modified wetting agent; or the water-based defoaming agent is one or a combination of two or more of organic silicon, mineral oil and polyether modified defoaming agent.
6. The primer-free waterborne exterior wall latex paint of claim 1, wherein the pigment is one or a combination of two or more of titanium dioxide, red iron oxide, yellow iron oxide and black iron oxide.
7. The primer-free waterborne exterior wall latex paint of claim 1, wherein the filler is one or a combination of two or more of ground calcium carbonate, light calcium carbonate, barium sulfate, talc, calcined kaolin and mica powder.
8. The primer-free aqueous exterior wall latex paint of claim 1, wherein said thickener is an associative polyurethane-based thickener or a hydrophobically modified alkali soluble emulsion thickener.
9. The primer-free waterborne exterior wall latex paint of claim 1, wherein said germicidal preservative is 2.5 wt% kathon-based preservative or BIT20 benzisothiazolinone.
10. A method for preparing the primer-free water-based exterior wall latex paint of any one of claims 1-9, which comprises the following steps:
s1, adding water into the reactor according to the weight ratio, starting the reactor, regulating the rotation speed to be 300r/min, slowly adding cellulose, after the cellulose is fully wetted, slowly adding a pH regulator, a water-based cosolvent, a water-based film-forming assistant, a water-based dispersant, a water-based wetting agent and a water-based defoaming agent into the reactor in sequence, increasing the rotation speed to be 800r/min, stirring for 10-15 minutes, and uniformly dispersing;
s2, adding a filler and a pigment, increasing the rotating speed to 1000-1200r/min, dispersing at a high speed for 25-35min, and filtering to obtain a slurry mixture semi-finished product;
s3, reducing the rotating speed to 400-700r/min, slowly adding the polymerized emulsion and the silicate into the slurry mixture semi-finished product, stirring for 10-15min, adding the thickening agent and the sterilizing preservative, stirring uniformly, and filtering to obtain the primer-free water-based external wall emulsion paint.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116355464A (en) * | 2023-02-22 | 2023-06-30 | 卡本科技集团股份有限公司 | Self-cleaning texture paint free of primer and finish coat and preparation method thereof |
| CN116376376A (en) * | 2023-04-28 | 2023-07-04 | 中华制漆（深圳）有限公司 | Putty-free texture coating and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109401468A (en) * | 2018-09-14 | 2019-03-01 | 合肥科天环保节能科技有限公司 | A kind of washability aqueous inorganic ordor removing interiro wall latex paint and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109401468A (en) * | 2018-09-14 | 2019-03-01 | 合肥科天环保节能科技有限公司 | A kind of washability aqueous inorganic ordor removing interiro wall latex paint and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116355464A (en) * | 2023-02-22 | 2023-06-30 | 卡本科技集团股份有限公司 | Self-cleaning texture paint free of primer and finish coat and preparation method thereof |
| CN116376376A (en) * | 2023-04-28 | 2023-07-04 | 中华制漆（深圳）有限公司 | Putty-free texture coating and application method thereof |
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Application publication date: 20220729 |