CN115029042A - Colorful real stone paint and preparation method thereof - Google Patents
Colorful real stone paint and preparation method thereof Download PDFInfo
- Publication number
- CN115029042A CN115029042A CN202210771140.3A CN202210771140A CN115029042A CN 115029042 A CN115029042 A CN 115029042A CN 202210771140 A CN202210771140 A CN 202210771140A CN 115029042 A CN115029042 A CN 115029042A
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- China
- Prior art keywords
- water
- paint
- real stone
- hydroxyethyl cellulose
- stone paint
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- 239000003973 paint Substances 0.000 title claims abstract description 102
- 238000002360 preparation method Methods 0.000 title claims abstract description 47
- 239000004575 stone Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910001868 water Inorganic materials 0.000 claims abstract description 79
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 47
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 47
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000001070 adhesive effect Effects 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 34
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 33
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 239000004576 sand Substances 0.000 claims abstract description 20
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004472 Lysine Substances 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims abstract description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- IPGANOYOHAODGA-UHFFFAOYSA-N dilithium;dimagnesium;dioxido(oxo)silane Chemical compound [Li+].[Li+].[Mg+2].[Mg+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O IPGANOYOHAODGA-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 12
- 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 abstract description 12
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 12
- 239000003755 preservative agent Substances 0.000 claims abstract description 11
- 230000002335 preservative effect Effects 0.000 claims abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- 230000003750 conditioning effect Effects 0.000 claims abstract description 8
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 7
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 64
- 229960003638 dopamine Drugs 0.000 claims description 32
- 239000004927 clay Substances 0.000 claims description 20
- 229910052570 clay Inorganic materials 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 230000002209 hydrophobic effect Effects 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- 229910021538 borax Inorganic materials 0.000 claims description 14
- 239000004328 sodium tetraborate Substances 0.000 claims description 14
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 14
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 13
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 11
- -1 polydimethylsiloxane Polymers 0.000 claims description 11
- 239000007822 coupling agent Substances 0.000 claims description 7
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 229920002367 Polyisobutene Polymers 0.000 claims description 6
- 239000003377 acid catalyst Substances 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000006011 modification reaction Methods 0.000 claims description 5
- IFPMZBBHBZQTOV-UHFFFAOYSA-N 1,3,5-trinitro-2-(2,4,6-trinitrophenyl)-4-[2,4,6-trinitro-3-(2,4,6-trinitrophenyl)phenyl]benzene Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C(C=2C(=C(C=3C(=CC(=CC=3[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)C(=CC=2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)=C1[N+]([O-])=O IFPMZBBHBZQTOV-UHFFFAOYSA-N 0.000 claims description 2
- 125000003158 alcohol group Chemical group 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 20
- 239000000243 solution Substances 0.000 description 20
- 238000006116 polymerization reaction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 239000013530 defoamer Substances 0.000 description 7
- 229920001690 polydopamine Polymers 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000013538 functional additive Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011858 nanopowder Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- RGCKGOZRHPZPFP-UHFFFAOYSA-N alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 description 1
- 229920013822 aminosilicone Polymers 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- SGGOJYZMTYGPCH-UHFFFAOYSA-L manganese(2+);naphthalene-2-carboxylate Chemical compound [Mn+2].C1=CC=CC2=CC(C(=O)[O-])=CC=C21.C1=CC=CC2=CC(C(=O)[O-])=CC=C21 SGGOJYZMTYGPCH-UHFFFAOYSA-L 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- ADJMNWKZSCQHPS-UHFFFAOYSA-L zinc;6-methylheptanoate Chemical compound [Zn+2].CC(C)CCCCC([O-])=O.CC(C)CCCCC([O-])=O ADJMNWKZSCQHPS-UHFFFAOYSA-L 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
- 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
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Paints Or Removers (AREA)
Abstract
The application relates to the field of colorful paints, and particularly discloses a colorful real stone paint and a preparation method thereof, wherein the light stone paint replacing the real stone paint is composed of the following raw materials in percentage by weight: 10-20% of regulating liquid, 55-70% of base paint, 7-12% of adhesive liquid, 4-8% of sand and the balance of water; the conditioning liquid consists of the following raw materials in percentage by weight: 5-10% of lithium magnesium silicate, 0.2-0.5% of preservative, 3-6% of lysine and the balance of water; the base paint consists of the following raw materials in percentage by weight: 1-2% of hydrophobically modified hydroxyethyl cellulose, 1-5% of titanium dioxide, 5-10% of kaolin, 0.1-0.25% of AMP functional auxiliary agent, 0.4-0.75% of film forming agent, 0.2-0.4% of defoaming agent, 0.8-1.3% of propylene glycol, 25-30% of pure acrylic emulsion and the balance of water. The prepared stone paint has excellent water resistance and weather resistance.
Description
Technical Field
The application relates to the field of colorful paints, in particular to a colorful real stone paint and a preparation method thereof.
Background
In recent years, China starts with urban construction, and puts forward innovative requirements on aspects such as building materials, building design, building modeling and the like; the stone-like paint is a coating with decorative effect exactly similar to marble and granite, is mainly prepared from natural stone powder with various colors, is applied to building materials of building exterior walls, can achieve the stone-like effect, has natural color and luster, also has pattern structures with various three-dimensional shapes, shows elegance and solemn of buildings visually, has wide application range, and has unique appearance formed after coating, which is popular with more and more consumers.
For example, patent application with publication number CN104046182A discloses a quick-drying type real stone paint, which comprises the following raw materials in parts by weight: 18-28 parts of pure acrylic emulsion, 0.2-0.3 part of zinc isooctanoate, 0.1-0.2 part of manganese naphthenate, 0.1-0.2 part of dibutyltin dilaurate, 0.2-0.5 part of PH value regulator, 0.2-1 part of preservative, 0.3-0.8 part of dispersant, 0.8-1.2 part of thixotropic thickener, 1.0-1.5 part of cellulose acetate, 0.1-0.3 part of polyurethane thickener, 1.5-2.5 parts of film-forming additive, 0.3-0.5 part of ethylene glycol, 0.1-0.2 part of defoamer, 1-2 parts of Arabian gum powder, 3-6 parts of Turkey red oil, 15-25 parts of natural coarse sand, 10-15 parts of natural fine sand and 8-12 parts of composite nano powder. The pure acrylic emulsion and the composite nano powder are compounded for use, fading can be effectively prevented, the phenomenon that the product turns white when meeting water is avoided, the thixotropic thickening agent is used for replacing part of cellulose acetate, the drying time of the stone-like paint is greatly shortened under the condition that the viscosity does not change, the dependence on weather conditions in the construction process is reduced, and the construction is convenient.
After the real stone paint is used for coating, the inventor finds that the water resistance of a paint film formed by coating is poor, the surface of the paint film is pulverized and discolored after a little long time, and the weather resistance of a product is poor.
Disclosure of Invention
In order to effectively improve the water resistance and the weather resistance of the real stone paint, the application provides the colorful real stone paint and the preparation method thereof.
In a first aspect, the application provides a colorful real stone paint, which adopts the following technical scheme:
a colorful real stone paint is composed of the following raw materials in percentage by weight: 10-20% of regulating liquid, 55-70% of base paint, 7-12% of adhesive liquid, 4-8% of sand and the balance of water; the adhesive liquid comprises dopamine, clay, borax and water;
the conditioning liquid consists of the following raw materials in percentage by weight: 5-10% of lithium magnesium silicate, 0.2-0.5% of preservative, 3-6% of lysine and the balance of water;
the base paint consists of the following raw materials in percentage by weight: 1-2% of hydrophobic modified hydroxyethyl cellulose, 1-5% of titanium dioxide, 5-10% of kaolin, 0.1-0.25% of AMP functional auxiliary agent, 0.4-0.75% of film forming agent, 0.2-0.4% of defoaming agent, 0.8-1.3% of propylene glycol, 25-30% of pure acrylic emulsion and the balance of water.
By adopting the technical scheme, the regulating solution has a certain conditioning effect on the whole system, wherein the lithium magnesium silicate can be highly dispersed in the aqueous solution to form a three-dimensional space network structure in water, the flowing thixotropy is good, the network structure can prevent the powder in the system from settling to a certain extent, and the lithium magnesium silicate can play a good role in suspension stability and anti-settling effect on components such as titanium dioxide, kaolin and the like in the base paint after being mixed with other raw materials.
The clay has certain viscosity, the clay has strong plasticity after being wetted in water and has good physical adsorption and surface chemical activity, borax is dissolved in water and is alkaline, dopamine is easy to self-polymerize in an alkaline aqueous solution to form polydopamine with excellent bonding performance, and the polydopamine is attached to the surface of the clay, and the formed adhesive liquid can improve the bonding performance among the raw material components and can be matched with a film forming agent and hydrophobic modified hydroxyethyl cellulose in a base paint, so that the formed paint film has a tighter internal structure, and the water resistance and the weather resistance of the paint film are better; the self-polymerization process of the dopamine is slow, so that when the dopamine is used, the adhesive liquid is prepared firstly and placed for later use, and when the dopamine is mixed with the regulating liquid, part of dopamine molecules which do not undergo self-polymerization exist in the system, the dopamine molecules can be combined with terminal amino groups in lysine in the regulating liquid to form a substance with excellent adhesion, the adhesion effect among the raw material components is improved, so that the raw material components are tightly connected, and the weather resistance of a paint film is further improved.
The hydrophobically modified hydroxyethyl cellulose has excellent hydrophobic property, can adjust the consistency of a system, can form an excellent hydrophobic film on the surface after being compounded with a film forming agent, and effectively improves the water resistance of a paint film.
Preferably, the hydrophobically modified hydroxyethyl cellulose is prepared by the following steps: premixing hydroxyethyl cellulose and an acid catalyst for 10-20min, and then adding an aminosilane coupling agent and an amino-containing siloxane polymer for modification reaction for 10-20 min; wherein the weight ratio of the hydroxyethyl cellulose, the acid catalyst, the amino silane coupling agent and the siloxane polymer containing amino is 2 (0.4-0.7) to (0.2-0.45) to (0.1-0.2).
By adopting the technical scheme, the hydroxyethyl cellulose and the acid catalyst are firstly reacted, the premixing temperature is 30-40 ℃, so that the acid strengthening treatment of hydroxyl contained in the hydroxyethyl cellulose is facilitated, and the amino silane coupling agent and the amino-containing siloxane polymer both contain amino and can be combined with the hydroxyl of the hydroxyethyl cellulose after the acid strengthening reaction, so that the water resistance of the hydroxyethyl cellulose is effectively improved, the water resistance of a paint film is further improved, and the weather resistance of the paint film is further improved. Meanwhile, the dosage relation among the hydroxyethyl cellulose, the acid catalyst, the amino silane coupling agent and the amino siloxane polymer is optimized, and the water resistance of the hydrophobic hydroxyethyl cellulose can be further improved.
Preferably, the modification reaction conditions are as follows: in a sealed environment 60 Co-gamma ray 5-10KGy irradiation is carried out, and the reaction temperature is 50-75 ℃.
By adopting the technical scheme, the conditions of the modification reaction are optimized, so that the hydrophobic modified hydroxyethyl cellulose with good water resistance is formed, and the water resistance of a paint film is effectively improved.
Preferably, the amino group-containing siloxane-based polymer is an aminopolydimethylsiloxane.
By adopting the technical scheme, the amino polydimethylsiloxane not only can enable the hydroxyethyl cellulose to have good water resistance, but also can enable the hydrophobically modified hydroxyethyl cellulose to have good permeability and affinity under the promotion of an aminosilane coupling agent, has good compatibility with other components, and improves the comprehensive performance of a paint film.
Preferably, the adhesive liquid is composed of the following raw materials by weight percent: 6-11% of dopamine, 30-50% of clay, 1-3% of borax and the balance of water.
By adopting the technical scheme, the relationship among the components of the adhesive liquid is optimized, the effect of the adhesive liquid is further improved, and the quality of a paint film is improved.
Preferably, the film forming agent is alcohol ester dodeca and polyisobutylene.
By adopting the technical scheme, the alcohol ester twelve, also known as dodecyl alcohol ester, has good hydrolytic stability, can form good fusion with the pure acrylic emulsion, effectively coalesces emulsion ions to achieve the effect of film formation, can assist the hydrophobic modified hydroxyethyl cellulose to form a hydrophobic film with excellent water resistance under the assistance of polyisobutylene, and effectively improves the water resistance of the paint film.
Preferably, the sand is colored sand or white sand.
By adopting the technical scheme, the proper sand can be selected according to the actual situation, and the color sense of the stone paint is improved.
In a second aspect, the application provides a preparation method of a colorful real stone paint, which adopts the following technical scheme:
a preparation method of colorful real stone paint comprises the following preparation steps:
preparing a regulating solution: adding lithium magnesium silicate and lysine into water, uniformly dispersing at the rotating speed of 800-;
preparation of base paint: adding an AMP functional auxiliary agent and a defoaming agent into water while stirring, uniformly mixing, adding hydrophobic hydroxyethyl cellulose, stirring for 3-5min, then adding titanium dioxide and kaolin, adjusting the rotating speed to 1500-1800r/min, uniformly dispersing for 20-40min, then adding the mixture, adjusting the rotating speed to 500-800r/min, and adding a film-forming agent, propylene glycol and a pure acrylic emulsion;
preparation of adhesive liquid: adding clay and borax into water, uniformly dispersing at the rotation speed of 1000-1400r/min, reducing the rotation speed to 80-120r/min, heating to 40-55 ℃, adding dopamine, and stirring for reacting for 28-45 min;
preparing a finished paint: adding a regulating solution into water, premixing uniformly, then adding base paint and sand at the rotating speed of 300-500r/min, stirring uniformly, adjusting the rotating speed to 800-1200r/min, and adding an adhesive solution for mixing uniformly.
By adopting the technical scheme, the regulating solution, the base paint and the adhesive solution are prepared respectively, and then the finished paint is formed by step-by-step system, so that the uniform dispersibility and the workability of the finished paint system can be effectively improved, and the quality of the formed paint film is improved.
In summary, the present application has the following beneficial effects:
1. the clay has certain viscosity, the clay has strong plasticity after being wetted in water and has good physical adsorption and surface chemical activity, borax is dissolved in water and is alkaline, dopamine is easy to self-polymerize in an alkaline aqueous solution to form polydopamine with excellent bonding performance, and the polydopamine is attached to the surface of the clay, and the formed adhesive liquid can improve the bonding performance among the raw material components and can be matched with a film forming agent and hydrophobic modified hydroxyethyl cellulose in a base paint, so that the formed paint film has a tighter internal structure, and the water resistance and the weather resistance of the paint film are better; the self-polymerization process of the dopamine is slow, so that when the dopamine self-polymerization regulator is used, adhesive liquid is prepared firstly and placed for standby, and when the dopamine self-polymerization regulator is mixed with regulating liquid, part of dopamine molecules which do not undergo self-polymerization exist in a system, the dopamine molecules can be combined with terminal amino groups in lysine in the regulating liquid to form a substance with excellent adhesion, the adhesion effect among the raw material components is improved, so that the components are tightly connected, and the weather resistance of a paint film is further improved.
2. The hydrophobically modified hydroxyethyl cellulose has excellent hydrophobic property, can adjust the consistency of a system, can form an excellent hydrophobic film on the surface after being compounded with a film forming agent, and effectively improves the water resistance of a paint film.
Detailed Description
The present application will be described in further detail with reference to examples.
The raw materials used in the application are common commercial raw materials, the clay is industrial grade bentonite, the granularity is 1000-plus-1300 meshes, the defoaming agent is an organic silicon defoaming agent, the content of organic silicon is 99%, and the preservative is an isothiazolinone bactericide.
Preparation example
Preparation example 1
The hydrophobically modified hydroxyethyl cellulose is prepared by the following steps: premixing 2kg of hydroxyethyl cellulose and 0.7kg of acetic acid for 10min at 40 ℃, then adding 0.2kg of amino silane coupling agent and 0.1kg of amino polydimethylsiloxane, and collecting in a closed environmentBy using 60 Co-gamma ray 10KGy is irradiated at 75 deg.c for 10 min.
Preparation example 2
The hydrophobically modified hydroxyethyl cellulose is prepared by the following steps: premixing 2kg of hydroxyethyl cellulose and 0.4kg of citric acid for 20min at the temperature of 30 ℃, then adding 0.45kg of aminosilane coupling agent and 0.2kg of amino polydimethylsiloxane, and adopting the method under a closed environment 60 Co-gamma ray 5KGy is irradiated, the reaction temperature is 50 ℃, and the reaction time is 20 min.
Preparation example 3
The difference from preparation example 1 is that 2kg of hydroxyethyl cellulose, 0.55kg of acetic acid, 0.32kg of aminosilane coupling agent and 0.16kg of amino polydimethylsiloxane, and the rest is the same as preparation example 1.
Preparation example 4
The difference from preparation example 3 is that the modification conditions are: in a closed environment 60 Irradiating the Co-gamma ray 8KGy at 65 ℃ for 17 min; the rest is the same as in preparation example 3.
Preparation example 5
The difference from preparation example 4 was that 2kg of hydroxyethyl cellulose, 1kg of acetic acid, 0.1kg of an aminosilane coupling agent, and 0.3kg of an aminopolydimethylsiloxane, and the rest was the same as preparation example 4.
Examples
Example 1
The colorful real stone paint consists of the following raw materials: 10kg of regulating liquid, 70kg of base paint, 7kg of adhesive liquid, 4kg of colored sand and 9kg of water; the adhesive liquid consists of the following raw materials: 0.6kg of dopamine, 5kg of clay, 0.1kg of borax and 4.6kg of water;
the conditioning liquid consists of the following raw materials in percentage by weight: 1kg of lithium magnesium silicate, 0.02kg of preservative, 0.3kg of lysine and 8.68kg of water;
the base paint consists of the following raw materials in percentage by weight: 1kg of hydrophobically modified hydroxyethyl cellulose prepared in preparation example 1, 5kg of titanium dioxide, 5kg of kaolin, 0.1kg of AMP functional auxiliary agent, 0.2kg of alcohol ester, 0.2kg of polyisobutylene, 0.2kg of organic silicon defoamer, 1.3kg of propylene glycol, 30kg of pure acrylic emulsion and 57kg of water.
The colorful real stone paint comprises the following preparation steps:
preparing a regulating solution: adding lithium magnesium silicate and lysine into water, uniformly dispersing at a rotating speed of 800r/min, then adding a preservative, uniformly mixing, and standing for later use;
preparation of base paint: adding AMP functional auxiliary agent and organic silicon defoamer into water while stirring, uniformly mixing, adding the hydrophobic hydroxyethyl cellulose prepared in the preparation example 1, stirring for 3min, then adding titanium dioxide and kaolin, adjusting the rotating speed to 1500r/min, uniformly dispersing for 40min, then adding the mixture, adjusting the rotating speed to 800r/min, and adding film-forming agent, propylene glycol and pure acrylic emulsion;
preparation of adhesive liquid: adding clay and borax into water, uniformly dispersing at a rotation speed of 1000r/min, reducing the rotation speed to 120r/min, heating to 40 ℃, adding dopamine, and stirring for reacting for 45 min;
preparing a finished paint: adding the regulating solution into water, premixing uniformly, then adding the base paint and the sand at the rotating speed of 300r/min, stirring uniformly, adjusting the rotating speed to 1200r/min, and adding the adhesive solution for mixing uniformly.
Example 2
The colorful real stone paint consists of the following raw materials: 20kg of conditioning liquid, 55kg of base paint, 12kg of adhesive liquid, 8kg of white sand and 5kg of water;
the adhesive liquid consists of the following raw materials: 1.1kg of dopamine, 3kg of clay, 0.3kg of borax and 5.6kg of water;
the conditioning liquid consists of the following raw materials in percentage by weight: 0.5kg of lithium magnesium silicate, 0.05kg of preservative, 0.6kg of lysine and 8.85kg of water;
the base paint consists of the following raw materials in percentage by weight: 2kg of hydrophobically modified hydroxyethyl cellulose prepared in preparation example 1, 1kg of titanium dioxide, 10kg of kaolin, 0.25kg of AMP functional additive, 0.45kg of alcohol ester, 0.3kg of polyisobutylene, 0.4kg of organic silicon defoamer, 0.8kg of propylene glycol, 25kg of pure acrylic emulsion and 59.8kg of water;
the colorful real stone paint comprises the following preparation steps:
preparing a regulating solution: adding lithium magnesium silicate and lysine into water, uniformly dispersing at the rotating speed of 1000r/min, adding a preservative, uniformly mixing, and standing for later use;
preparation of base paint: adding AMP functional auxiliary agent and organic silicon defoamer into water while stirring, uniformly mixing, adding the hydrophobic hydroxyethyl cellulose prepared in the preparation example 1, stirring for 5min, then adding titanium dioxide and kaolin, adjusting the rotating speed to 1800r/min, uniformly dispersing for 20min, then adding the mixture, adjusting the rotating speed to 500r/min, adding film-forming agent, propylene glycol and pure acrylic emulsion, and uniformly mixing;
preparation of adhesive liquid: adding clay and borax into water, uniformly dispersing at a rotation speed of 1400r/min, reducing the rotation speed to 80r/min, heating to 55 ℃, adding dopamine, and stirring for reacting for 28 min;
preparing a finished paint: adding the regulating solution into water, premixing uniformly, then adding the base paint and the sand at the rotating speed of 500r/min, stirring uniformly, adjusting the rotating speed to 800r/min, adding the adhesive solution, and mixing uniformly.
Example 3
The difference from the example 1 is that the colorful real stone paint consists of the following raw materials: 14kg of regulating fluid, 66kg of base paint, 10kg of adhesive liquid, 6.5kg of colored sand and 3.5kg of water; the rest is the same as in example 1.
Example 4
The difference from example 3 is that the adhesive liquid consists of the following raw materials: 1kg of dopamine, 4.2kg of clay, 0.25kg of borax and 4.55kg of water; the rest is the same as in example 3.
Example 5
The difference from the embodiment 4 is that the regulating solution consists of the following raw materials in percentage by weight: 0.8kg of lithium magnesium silicate, 0.04kg of preservative, 0.6kg of lysine and 8.56kg of water; the rest is the same as in example 4.
Example 6
The difference from example 5 is that the base paint consists of the following raw materials in percentage by weight: 1.8kg of hydrophobically modified hydroxyethyl cellulose prepared in preparation example 1, 5kg of titanium dioxide, 8kg of kaolin, 0.2kg of AMP functional additive, 0.4kg of alcohol ester, 0.2kg of polyisobutylene, 0.3kg of organic silicon defoamer, 1kg of propylene glycol, 28kg of pure acrylic emulsion and 55.1kg of water; the rest is the same as in example 4.
Example 7
The difference from example 6 is that the hydrophobically modified hydroxyethyl cellulose obtained in preparation example 2 was used in the base paint, and the rest was the same as example 6.
Example 8
The difference from example 6 is that the hydrophobically modified hydroxyethyl cellulose obtained in preparation example 3 was used in the base paint, and the rest was the same as in example 6.
Example 9
The difference from example 6 is that the hydrophobically modified hydroxyethyl cellulose from preparation 4 was used in the base paint, and the rest was the same as example 6.
Example 10
The difference from example 6 is that the hydrophobically modified hydroxyethyl cellulose obtained in preparation example 5 was used in the base paint, and the rest was the same as example 6.
Example 11
The difference from the example 9 is that the colorful real stone paint comprises the following preparation steps:
preparing a regulating solution: adding lithium magnesium silicate and lysine into water, uniformly dispersing at the rotating speed of 900r/min, adding a preservative, uniformly mixing, and standing for later use;
preparation of base paint: adding AMP functional auxiliary agent and organic silicon defoamer into water while stirring, uniformly mixing, adding the hydrophobic hydroxyethyl cellulose prepared in the preparation example 1, stirring for 5min, then adding titanium dioxide and kaolin, adjusting the rotating speed to 1650r/min, uniformly dispersing for 33min, then adding the mixture, adjusting the rotating speed to 700r/min, adding film-forming agent, propylene glycol and pure acrylic emulsion, and uniformly mixing;
preparation of adhesive liquid: adding clay and borax into water, uniformly dispersing at 1300r/min, reducing rotation speed to 100r/min, heating to 50 deg.C, adding dopamine, and stirring for reaction for 36 min;
preparing a finished paint: adding a regulating solution into water, uniformly premixing, then adding base paint and sand at the rotating speed of 400r/min, uniformly stirring, adjusting the rotating speed to 1000r/min, adding an adhesive solution, and uniformly mixing; the rest is the same as in example 9.
Comparative example
Comparative example 1
The difference from example 11 is that dopamine is not added to the adhesive liquid, and water is used for complementing the balance; the rest is the same as in example 11.
Comparative example 2
The difference from example 11 is that lysine was not added to the solution, and the balance was made up with water, and the same as example 11 was repeated.
Comparative example 3
The difference from example 11 is that in the base paint, hydrophobically modified cellulose was replaced with hydroxyethyl cellulose in equal amount, and the rest was the same as example 11.
Comparative example 4
The difference from example 11 is that the hydrophobically modified hydroxyethyl cellulose is prepared by the following steps: hydroxyethyl cellulose, an aminosilane coupling agent and aminopolydimethylsiloxane were reacted at a reaction temperature of 75 ℃ for 17min, and the rest was the same as in example 11.
Comparative example 5
The difference from example 11 is that the hydrophobically modified hydroxyethyl cellulose does not contain the amino polydimethylsiloxane, and the rest is the same as example 11.
Comparative example 6
The difference from example 11 is that the film former in the base paint was twelve alcohol esters, the rest being the same as example 11.
Performance test
The stone paints obtained in examples 1 to 11 and comparative examples 1 to 6 were subjected to a water resistance test according to the constant temperature running water immersion method at 40 ℃ of GB/T1733 to 93, "Water resistance test method for paint film", and the time until the paint film was damaged by discoloration, blistering, rusting or the like was recorded, and the results are reported in Table 1.
The weathering resistance of the stone paints was determined according to the standard JG/T24-2018 for examples 1-11 and comparative examples 1-6 and the results are reported in Table 1.
TABLE 1
| Water resistance/h | Resistance to weathering by Artificial climate/h | |
| Example 1 | 56 | 640 |
| Example 2 | 54 | 636 |
| Example 3 | 57 | 644 |
| Example 4 | 59 | 651 |
| Example 5 | 59 | 653 |
| Example 6 | 62 | 660 |
| Example 7 | 61 | 658 |
| Example 8 | 65 | 671 |
| Example 9 | 67 | 675 |
| Example 10 | 60 | 659 |
| Example 11 | 68 | 678 |
| Comparative example 1 | 51 | 611 |
| Comparative example 2 | 53 | 621 |
| Comparative example 3 | 48 | 609 |
| Comparative example 4 | 54 | 626 |
| Comparative example 5 | 55 | 630 |
| Comparative example 6 | 56 | 637 |
By combining examples 1-11 and table 1, it can be seen that the stone paint obtained by the method has good water resistance, does not generate phenomena of foaming, discoloration or chalking and the like in constant-temperature flowing water soaking at 40 ℃ for 68 hours, has long artificial weather aging resistance for 678 hours, and has excellent weather resistance.
Combining example 11 and comparative examples 1-2 with table 1, it can be seen that the water resistance and weather resistance of the present application cannot be achieved regardless of whether the adhesive solution lacks dopamine or lysine in the conditioning solution, because dopamine easily undergoes self-polymerization in an alkaline aqueous solution to form polydopamine with excellent adhesive property, and the polydopamine is attached to the surface of clay, and the formed adhesive solution not only can improve the adhesive property between the raw material components, but also can be matched with a film-forming agent and hydrophobically modified hydroxyethyl cellulose in the base paint, so that the internal structure of the formed paint film is tighter, and the water resistance and weather resistance of the paint film are better; the self-polymerization process of the dopamine is slow, so that when the dopamine self-polymerization regulator is used, adhesive liquid is prepared firstly and placed for standby, and when the dopamine self-polymerization regulator is mixed with regulating liquid, part of dopamine molecules which do not undergo self-polymerization exist in a system, the dopamine molecules can be combined with terminal amino groups in lysine in the regulating liquid to form a substance with excellent adhesion, the adhesion effect among the raw material components is improved, so that the components are tightly connected, and the weather resistance of a paint film is further improved.
Combining example 11 and comparative examples 3-5 with Table 1, it can be seen that only the hydrophobically modified hydroxyethyl cellulose prepared by the specific components and specific preparation method of the present application is effective in improving the water resistance and weather resistance of the product, and the components and the preparation method cooperate with each other to synergistically improve the overall properties of the product.
As can be seen by combining example 11 with comparative example 6 and Table 1, the film forming agent in comparative example 6 is only twelve alcohol esters, and the product obtained in comparative example 6 cannot form a water-resistant film during the formation of a paint film, resulting in a decrease in both water resistance and weather resistance of the paint film.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The colorful real stone paint is characterized by comprising the following raw materials in percentage by weight: 10-20% of regulating liquid, 55-70% of base paint, 7-12% of adhesive liquid, 4-8% of sand and the balance of water; the adhesive liquid comprises dopamine, clay, borax and water;
the conditioning liquid consists of the following raw materials in percentage by weight: 5-10% of lithium magnesium silicate, 0.2-0.5% of preservative, 3-6% of lysine and the balance of water;
the base paint consists of the following raw materials in percentage by weight: 1-2% of hydrophobically modified hydroxyethyl cellulose, 1-5% of titanium dioxide, 5-10% of kaolin, 0.1-0.25% of AMP functional auxiliary agent, 0.4-0.75% of film forming agent, 0.2-0.4% of defoaming agent, 0.8-1.3% of propylene glycol, 25-30% of pure acrylic emulsion and the balance of water.
2. The colorful real stone paint as claimed in claim 1, wherein: the hydrophobically modified hydroxyethyl cellulose is prepared by the following steps: premixing hydroxyethyl cellulose and an acid catalyst for 10-20min, and then adding an aminosilane coupling agent and an amino-containing siloxane polymer for modification reaction for 10-20 min; wherein the weight ratio of the hydroxyethyl cellulose, the acid catalyst, the amino silane coupling agent and the siloxane polymer containing amino is 2 (0.4-0.7) to (0.2-0.45) to (0.1-0.2).
3. The colorful real stone paint as claimed in claim 2, wherein: the acidic catalyst is acetic acid or citric acid.
4. The colorful real stone paint as claimed in claim 2 or 3, wherein: the modification reaction conditions are as follows: irradiating with 60 Co-gamma ray 5-10KGy in sealed environment at 50-75 deg.c.
5. The colorful real stone paint as claimed in claim 2, wherein: the siloxane polymer containing amino is amino polydimethylsiloxane.
6. The colorful real stone paint as claimed in claim 1, characterized in that: the adhesive liquid is composed of the following raw materials in percentage by weight: 6-11% of dopamine, 30-50% of clay, 1-3% of borax and the balance of water.
7. The colorful real stone paint as claimed in claim 1, wherein: the film forming agent is alcohol ester dodeca and polyisobutylene.
8. Colorful real stone paint according to claim 1, 6 or 7, characterized in that: the sand is colored sand or white sand.
9. The method for preparing colorful real stone paint as claimed in any one of claims 1-8, characterized in that: the preparation method comprises the following preparation steps:
preparing a regulating solution: adding lithium magnesium silicate and lysine into water, uniformly dispersing at the rotating speed of 800-;
preparation of base paint: adding an AMP functional auxiliary agent and a defoaming agent into water while stirring, uniformly mixing, adding hydrophobic hydroxyethyl cellulose, stirring for 3-5min, then adding titanium dioxide and kaolin, adjusting the rotating speed to 1500-1800r/min, uniformly dispersing for 20-40min, then adding the mixture, adjusting the rotating speed to 500-800r/min, and adding a film-forming agent, propylene glycol and a pure acrylic emulsion;
preparation of adhesive liquid: adding clay and borax into water, uniformly dispersing at the rotation speed of 1000-1400r/min, reducing the rotation speed to 80-120r/min, heating to 40-55 ℃, adding dopamine, and stirring for reacting for 28-45 min;
preparing a finished paint: adding the regulating liquid into water, premixing uniformly, then adding the base paint and the sand at the rotating speed of 300-1200 r/min, stirring uniformly, adjusting the rotating speed to 800-1200r/min, and adding the adhesive liquid for mixing uniformly.
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