CN107141869A - A kind of novel colorful stone similar paint and preparation method thereof - Google Patents

A kind of novel colorful stone similar paint and preparation method thereof Download PDF

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Publication number
CN107141869A
CN107141869A CN201710258801.1A CN201710258801A CN107141869A CN 107141869 A CN107141869 A CN 107141869A CN 201710258801 A CN201710258801 A CN 201710258801A CN 107141869 A CN107141869 A CN 107141869A
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parts
stone similar
similar paint
colorful stone
agent
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CN107141869B (en
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张绮珊
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Guangdong Nantian New Material Technology Co ltd
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Guangdong Nantian Coating Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/29Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
    • C09D133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to construction material, belong to wall building coating technical field.The invention provides a kind of novel colorful stone similar paint, pass through the selection to raw material and constituent optimization, under interaction particularly between kaolin, modified cellulose, sodium salt dispersant, pure-acrylic emulsion and levelling agent, the colorful stone similar paint particle for making product formation stable.Compared with prior art, have on product storage stability and be obviously improved, obtain that a kind of stability is good, particle dispersion is good, not stratified novel colorful stone similar paint, the traffic coverage of novel colorful stone similar paint is expanded significantly and scope is used.Simultaneously present invention also offers the preparation method of the novel colorful stone similar paint, control adds speed during modified cellulose is added, it is to avoid conglomeration, influences the performance of colorful stone similar paint particle.

Description

A kind of novel colorful stone similar paint and preparation method thereof
Technical field
The present invention relates to construction material, belong to wall building coating technical field, and in particular to a kind of novel colorful is imitated Mineral varnish and preparation method thereof.
Background technology
Colorful stone similar paint is that a kind of decorative effect exactly likes marble, granitic thick matter exterior wall decorating coating.It is main to use The base paint particle of a variety of colors is formulated.Building after colorful stone similar paint finishing, with natural real natural colour, Graceful, harmonious, serious aesthetic feeling is given, is suitable for the indoor and outdoor decoration of all kinds of buildings, particularly on curved-surface building thing Decoration, can receive vivid, effect of back to nature.Simultaneously as component is largely snowflake sand in colorful stone similar paint, With fire prevention, waterproof, acid and alkali-resistance, anti-pollution, nontoxic, tasteless, bonding force by force, the features such as good weatherability, can effectively it prevent outer Erosion of boundary's adverse circumstances to building, extends the life-span of building.
Meanwhile, the research for the colorful stone similar paint is also gushed out like the mushrooms after rain.As in patent 201510478043.5 Disclose a kind of preparation method of new type water bag watercolor mineral varnish, using pigment, calcium carbonate, defoamer, dispersant, coalescents, Thickener, ammoniacal liquor, preservative, cellulose, resin emulsion etc. are mixed, and are prepared for a kind of water-water colored stone paint.Such as patent A kind of preparation technology of liquid marble paint is disclosed in CN201010582918.3, it is with deionized water, multifunctional assistant, ammonium salt Prepared by the components such as dispersant, wetting agent, defoamer, anatase titanium dioxide, kaolin, emulsion, obtain a kind of colorful stone similar paint, And it is tested.But the product that is obtained of these technical schemes is easily swollen in product particle, product layering substantially, Storage stability is poor.
Although existing product on the market also has the colorful stone similar paint building coating of different brands, the temperature of these coating It is qualitative poor, it is not easy to maintain, even occurred to go bad (1 week or so) short period, lower leaf in appearance has a strong impact on coating Workability.Particularly when south or summer temperature are higher, the holding time is shorter, greatly limit it and applies model Enclose.Fig. 1 is colorful stone similar paint coating photo on the market, it can be seen that significantly upper lower leaf occur, Fig. 2 is the technology of the present invention side The product of case embodiment 1.Fig. 3 is the schematic diagram of the stone similar paint paint coatings of technical solution of the present invention product formation.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of novel colorful stone similar paint, it has preferable combination property, and Stability is good, and particle dispersion is good, not stratified, and the traffic coverage of novel colorful stone similar paint is expanded significantly and scope is used.
In order to realize the technical purpose of the present invention, the present invention is adopted the following technical scheme that.
A kind of novel colorful stone similar paint, by mass, including 530-620 parts of water, 10-15 parts of modified cellulose, dispersant 1-5 parts, 5-10 parts of preservative, 10-15 parts of titanium dioxide, 40-55 parts of kaolin, 12-18 parts of coalescents, pure-acrylic emulsion 280- 300 parts, 80-100 parts of levelling agent, 1.5-2 parts of PH conditioning agents, 10-12 parts of antifreezing agent, 5-8 parts of wetting agent, quartz sand 500-520 Part, 5-8 parts of thickener, 3-5 parts of defoamer.
It is preferred that, a kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, dispersant 3 Part, 7 parts of preservative, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, pH is adjusted Save 1.5 parts of agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.The addition of cellulose can cause paint film water resistance Decline, hydroxyethyl modified cellulose is used in the present invention, control is no more than 15 mass parts, with preferable water resistance.Its base In the hydrophobic main chain on cellulose and surrounding water molecules through hydrogen bond association, the fluid body of colorful stone similar paint particle in itself is improved Product, reduces the space of Particle free activity, so as to improve the stability of system.When content of cellulose is relatively low or is not added with completely When, the colorful stone similar paint particle obtained is smaller, unstable, easily layering, is difficult long-term preservation.Using hydroxyethyl cellulose Non- use hydroxypropyl methyl cellulose or methylcellulose are because it in the present invention there is colloid more more preferable than the latter to protect Ability and stability.
It is preferred that, the titanium dioxide is that specific surface area is 80-145m2/ g anatase titanium dioxides.More preferably R95 or The titanium dioxide of 996 anatase models, makes coating have optimal performance in whiteness and covering power.While specific surface area control is 80-145m2/ g because if specific surface area is excessive, can cause when in use water absorption rate it is higher, powder is difficult to point Dissipate.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.Because this Using pure-acrylic emulsion with there is more preferable paint film mildness using other kinds of emulsion (such as silicone acrylic emulsion) in invention, while In the stability for testing colorful stone similar paint, it may have more excellent performance.
It is preferred that, the quartz sand is the quartz sand of 40-100 mesh.It is furthermore preferred that the color of the quartz sand can be white Color, brown, black, yellow etc., are arranged in pairs or groups according to the requirement of basic colorful stone similar paint.Quartz sand selects the original of the mesh of 40 mesh -100 Because being the too small easy blocking spray gun of one side quartz sand mesh number, follow-up painting membrane process is influenceed;Other quartz sand mesh number is too big Talk about, significant change occurs in surface gloss etc., and the visual impression of imitation marble paint has larger decline.It is furthermore preferred that in the present invention Quartz sand is arranged in pairs or groups:90 mesh, which account for 14.8%, 80 mesh and account for 7.4%, 70 mesh, accounts for 7.8%, and remainder is 60 mesh quartz sands, with optimal table Face glossiness and class marble vision sense of touch.
It is preferred that, the wetting agent is cationic wetting agent, can be amine salt or quaternary ammonium salt cationic wetting agent.Amine salt Cationic wetting agent can be specifically fatty amine salt (R-R1-R2- N-H-X, wherein R are C10-C18Alkyl, R1、R2For low molecule Alkyl, methyl, ethyl, benzyl or hydrogen atom;X be halogen, inorganic salts or organic acid), ethanolamine salt (triethanolamine, diethyl Hydramine, MEA, dodecyl sulphate monoethanolamine etc.), polyethylene polyamines salt (N- alkyl polyamines, N- alkyl Diethylenetriamine). Quaternary ammonium salt cationic type wetting agent can be specifically R1(or CH3)-R2-R3(or CH3)-N+-CH3X-, wherein R1、R2For ethyl, benzyl Base.
It is preferred that, the thickener is alkali swollen thickener, specifically refers to acrylic acid, the homopolymer of methacrylic acid or common Copolymer emulsion thickener.Because such thickener is acid in itself, therefore need to adjust pH value to 8-9, ability when in use There can be good thickening effect.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
It is preferred that, the kaolin is that average grain diameter is that between 0.5~2 μm, kaolin on the one hand can be with water combination shape Into after pug, with higher plasticity, colorful stone similar paint particle is set to deform in the effect of external force, external force is deformed after removing The characteristic of disappearance, in the granular size for the colorful stone similar paint for increasing acquisition to a certain degree.In addition, kaolinite soil granularity is to its mud Ion exchange capacity, binding ability in viscosity, mud etc. all have a very big impact.In the present invention, kaolinic particle diameter is less than 2 Preferable plasticity and quartz sand associativity μm can be obtained, selection is at 0.5 μm above is because the less height of one side granularity Ridge soil improves a lot and performance change is not obvious in cost, and still further aspect is in order at that kaolinite soil granularity is meticulous can also be due to Specific surface area is excessive when colorful stone similar paint coating is dried, and causes formed paint film to shrink excessive, discontinuous disconnected line occurs, Influence the drastically deterioration attractive in appearance and causing water resistance of product.
It is preferred that, the LX-150 that preservative can be DOW Chemical is added, the antiseptic property of product is improved.
It is preferred that, the coalescents are Luo Diya or DOW Chemical DIB coalescents.
It is preferred that, the levelling agent is cross-linking type fluororesin levelling agent, can improve the weatherability of colorful stone similar paint, is improved The rheological property of colorful stone similar paint particle, contributes to reinforcement to form monodisperse particles, prevents flocculation, and product layering is improved The storage stability of product.
It is preferred that, the dispersant is sodium salt dispersant.In the present invention, sodium salt dispersant has preferable viscosity stability And water resistance, the colorful stone similar paint product storge quality after disperseing can be lifted.Sodium salt dispersant content control 5 parts with Under, be because while sodium salt dispersant can improve it is scattered after colorful stone similar paint product storage stability, it is but excessive Sodium salt dispersant can cause the water resistance for the colorful stone similar paint paint film being ultimately formed to decline.
A kind of preparation method of novel colorful stone similar paint, comprises the following steps:(1) by water, preservative, dispersant, titanium white Powder, kaolin, a part of defoamer are added in reactor, and stirring 2-5 minute is uniform to material, continues to add under stirring Enter modified cellulose, continue to stir 5 minutes;(2) add after coalescents, antifreezing agent and disperse 2 minutes;(3) add pure-acrylic emulsion, Thickener, wetting agent and remaining defoamer, continue to stir 5 minutes to uniform;(4) quartz sand is added, continues to stir 5 minutes, Levelling agent and PH conditioning agents are added, stirring is shut down standby after 2 minutes.
It is preferred that, to be slowly added to during the addition of modified cellulose in the step (1), it is to avoid agglomerating caking.
The beneficial effects of the invention are as follows:
The invention provides a kind of novel colorful stone similar paint, by the selection to raw material and constituent optimization, particularly kaolin, Under interaction between modified cellulose, sodium salt dispersant, pure-acrylic emulsion and levelling agent, make the colorful of product formation stabilization Stone similar paint particle.Compared with prior art, have on product storage stability and be obviously improved, it is good to obtain a kind of stability, Particle dispersion is good, not stratified novel colorful stone similar paint, and the traffic coverage of novel colorful stone similar paint is expanded significantly with using Scope.Present invention also offers the preparation method of the novel colorful stone similar paint simultaneously.
Figure of description
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with the accompanying drawings The present invention will be described in further detail.
Fig. 1 is colorful stone similar paint coating photo on the market;
Fig. 2 is the product of technical solution of the present invention embodiment 1;
Fig. 3 is the schematic diagram of the stone similar paint paint coatings of 1-4 of embodiment of the present invention formation;
Fig. 4 is the schematic diagram of the stone similar paint paint coatings of comparative example 1-2 formation of the present invention;
Fig. 5 is the schematic diagram of the stone similar paint paint coatings of the formation of comparative example 3 of the present invention;
Fig. 6 is the schematic diagram of the stone similar paint paint coatings of the formation of comparative example 5 of the present invention;
Fig. 7 is comparative example 4 of the present invention, the schematic diagram of the stone similar paint paint coatings of comparative example 6-8 formation;
Fig. 8 is the schematic diagram for the stone similar paint paint coatings that commercially available prod is formed.
Wherein 1#-4# represents the picture of embodiment 1-4 paint film coatings successively, and 5#-12# represents comparative example 1-8 successively respectively Paint film coating picture.
Embodiment
In order to be better understood from the present invention, invention is described in detail with reference to specific embodiment.It should be appreciated that this The specific embodiment of place description does not limit the present invention only to explain the present invention.
Embodiment 1
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the titanium dioxide is that specific surface area is 80-145m2/ g anatase titanium dioxides.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the kaolin is that average grain diameter is between 0.5~2 μm.
It is preferred that, the thickener is alkali swollen thickener, specifically refers to acrylic acid, the homopolymer of methacrylic acid or common Any one in copolymer emulsion thickener.
It is preferred that, the quartz sand is the quartz sand of 40-100 mesh, and the color of the quartz sand can be carried out according to demand Selection.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
It is preferred that, the wetting agent is cationic wetting agent, can be amine salt or quaternary ammonium salt cationic wetting agent.
It is preferred that, the LX-150 that preservative can be DOW Chemical is added, the antiseptic property of product is improved.
It is preferred that, the coalescents are Luo Diya or DOW Chemical DIB coalescents.
It is preferred that, the levelling agent is cross-linking type fluororesin levelling agent.
It is preferred that, the dispersant is sodium salt dispersant.
Embodiment 2
A kind of novel colorful stone similar paint, by mass, including 550 parts of water, 12 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 12,55 parts of kaolin, 12 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 5 parts of thickener, 3 parts of defoamer.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the titanium dioxide is that specific surface area is 80-145m2/ g anatase titanium dioxides.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the kaolin is that average grain diameter is between 0.5~2 μm.
It is preferred that, the thickener is alkali swollen thickener, specifically refers to acrylic acid, the homopolymer of methacrylic acid or common Any one in copolymer emulsion thickener.
It is preferred that, the quartz sand is the quartz sand of 40-100 mesh, and the color of the quartz sand can be carried out according to demand Selection.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
It is preferred that, the wetting agent is cationic wetting agent, can be amine salt or quaternary ammonium salt cationic wetting agent.
It is preferred that, the LX-150 that preservative can be DOW Chemical is added, the antiseptic property of product is improved.
It is preferred that, the coalescents are Luo Diya or DOW Chemical DIB coalescents.
It is preferred that, the levelling agent is cross-linking type fluororesin levelling agent.
It is preferred that, the dispersant is sodium salt dispersant.
Embodiment 3
A kind of novel colorful stone similar paint, by mass, including 600 parts of water, 15 parts of modified cellulose, 5 parts of dispersant, preservative 10 parts, 15 parts of titanium dioxide, 40 parts of kaolin, 12 parts of coalescents, 290 parts of pure-acrylic emulsion, 100 parts of levelling agent, PH conditioning agents 1.5 parts, 12 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 8 parts of thickener, 5 parts of defoamer.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the titanium dioxide is that specific surface area is 80-145m2/ g anatase titanium dioxides.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the kaolin is that average grain diameter is between 0.5~2 μm.
It is preferred that, the thickener is alkali swollen thickener, specifically refers to acrylic acid, the homopolymer of methacrylic acid or common Any one in copolymer emulsion thickener.
It is preferred that, the quartz sand is the quartz sand of 40-100 mesh, and the color of the quartz sand can be carried out according to demand Selection.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
It is preferred that, the wetting agent is cationic wetting agent, can be amine salt or quaternary ammonium salt cationic wetting agent.
It is preferred that, the LX-150 that preservative can be DOW Chemical is added, the antiseptic property of product is improved.
It is preferred that, the coalescents are Luo Diya or DOW Chemical DIB coalescents.
It is preferred that, the levelling agent is cross-linking type fluororesin levelling agent.
It is preferred that, the dispersant is sodium salt dispersant.
Embodiment 4
A kind of novel colorful stone similar paint, by mass, including 620 parts of water, 15 parts of modified cellulose, 1 part of dispersant, preservative 5 Part, 10 parts of titanium dioxide, 55 parts of kaolin, 18 parts of coalescents, 300 parts of pure-acrylic emulsion, 90 parts of levelling agent, 2 parts of PH conditioning agents are prevented Freeze 10 parts of agent, 8 parts of wetting agent, 520 parts of quartz sand, 7 parts of thickener, 3 parts of defoamer.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the titanium dioxide is that specific surface area is 80-145m2/ g anatase titanium dioxides.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the kaolin is that average grain diameter is between 0.5~2 μm.
It is preferred that, the thickener is alkali swollen thickener, specifically refers to acrylic acid, the homopolymer of methacrylic acid or common Any one in copolymer emulsion thickener.
It is preferred that, the quartz sand is the quartz sand of 40-100 mesh, and the color of the quartz sand can be carried out according to demand Selection.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
It is preferred that, the wetting agent is cationic wetting agent, can be amine salt or quaternary ammonium salt cationic wetting agent.
It is preferred that, the LX-150 that preservative can be DOW Chemical is added, the antiseptic property of product is improved.
It is preferred that, the coalescents are Luo Diya or DOW Chemical DIB coalescents.
It is preferred that, the levelling agent is cross-linking type fluororesin levelling agent.
It is preferred that, the dispersant is sodium salt dispersant.
Comparative example 1 (under conditions of content of cellulose is more than 15 parts)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 25 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 2 (content of cellulose is less than in the case of 5 parts)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 3 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 3 (uses silicone acrylic emulsion)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of silicone acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 4 (sodium salt dispersion dosage is more than 10 parts)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 15 parts of dispersant, preservative 7 parts, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 5 (influence of kaolinite soil granularity, average grain diameter is less than 0.3 μm of kaolin)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 6 (does not contain levelling agent)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, profit 5 parts of humectant, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 7 (does not contain wetting agent)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Comparative example 8 (uses methylcellulose)
A kind of novel colorful stone similar paint, by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, preservative 7 Part, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, 280 parts of pure-acrylic emulsion, 80 parts of levelling agent, 1.5 parts of pH adjusting agent, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener, 4 parts of defoamer.
Coating paint film is made in the colorful stone similar paint particle obtained to above example and comparative example, and it is surveyed Examination, as a result as shown in table 1.
Performance test between each embodiment of table 1 and comparative example
Test condition:
Product Status:It is dispersed on scraper plate, is estimated.
Storage stability:Stood at 25 DEG C, observe whether it is layered, if the phenomenons such as muddiness occur, record weekly once.
Paint film application property:Blade coating or spray gun coating, observe it and whether there is the phenomenon for blocking spray gun or falling paint.
Paint film state:Paint film coating is made into, after natural drying, whether observation coating surface state is continuous, whether deposit In the defect such as crackle and stomata.
Paint film water resistance:Paint film is applied to be placed at 15-20 DEG C in water and soaked, its situations such as turning white of whether fading is observed, Record once within every 7 days, using the data result of 30 days as final water resistance test result.
Preferably, storage time is longer, not stratified, not muddy, and particle is larger for embodiment 1-4 result product stability, Disperse between grain and particle, the paint film coating formed is soft, without defects such as disconnected lines, with preferable water resistance, expand significantly The traffic coverage of novel colorful stone similar paint and use scope.
It is due to add although the stability of the colorful stone similar paint particle of addition in comparative example 1 due to cellulose is more excellent Modified fibre cellulose content it is more so that cause paint film water resistance decline.The content of cellulose added in comparative example 2 is too low, though So the performance in water resistance is not deteriorated, but the less stable of the colorful stone similar paint particle obtained, during preservation Between it is shorter, and the colorful stone similar paint particle obtained is smaller, easily layering.Methylcellulose is used in comparative example 8, can be seen Colorful stone similar paint particle to its acquisition will be weaker than on storage stability using hydroxyethyl modified cellulose.
Silicone acrylic emulsion rather than pure-acrylic emulsion are used in comparative example 3, the paint film that the colorful stone similar paint particle obtained is made is applied Layer mildness be not high, the defect such as easily there is micropore, wrinkles, meanwhile, the paint film obtained is also deteriorated in water resistance.This hair In bright, sodium salt dispersant has preferable viscosity stability and water resistance, can lift the colorful stone similar paint product storage after disperseing Sustainability energy, improves the storage stability of the colorful stone similar paint product after disperseing, but sodium salt dispersant exceedes in comparative example 4 10 parts, the water resistance for ultimately resulting in the colorful stone similar paint paint film to be formed declines.
Product particle obtained in comparative example 5 is larger, product stability preferably, but by colorful stone similar paint particle system During lacquering membrane coat, dried paint film is excessive due to shrinking, and discontinuous disconnected line easily occurs, influences the attractive in appearance of product, and And the water resistance of paint film is also drastically deteriorated.
Levelling agent is not contained in comparative example 6, the colorful stone similar paint particle obtained disperses in product storage stability, particle Compared with embodiment 1-4 weak points in property.And the water resistance of its paint film coating finally obtained is also not so good as in embodiment The paint film coating obtained.Wetting agent is not contained in comparative example 7, the colorful stone similar paint particle finally obtained is smaller, storage is steady It is qualitative bad, easily it is layered, the defect such as the paint film coating surface presence obtained is wrinkled, Bark mark, surface mildness is poor.
According to above-described embodiment and comparative example data, it is apparent that imitating stone the invention provides a kind of novel colorful Paint, by the selection to raw material and constituent optimization, particularly kaolin, modified cellulose, sodium salt dispersant, pure-acrylic emulsion with Under interaction between levelling agent, the colorful stone similar paint particle for making product formation stable.Compared with prior art, in product Have on storage stability and be obviously improved, obtain that a kind of stability is good, particle dispersion is good, not stratified novel colorful imitates stone Paint, expands the traffic coverage of novel colorful stone similar paint and uses scope significantly.Present invention also offers the novel colorful simultaneously The preparation method of stone similar paint, control adds speed during modified cellulose is added, it is to avoid conglomeration, influences colorful stone similar paint The performance of particle.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent substitution or equivalent transformation Technical scheme, all falls within protection scope of the present invention.

Claims (8)

1. a kind of novel colorful stone similar paint, it is characterised in that by mass, including 530-620 parts of water, modified cellulose 10-15 Part, 1-5 parts of dispersant, 5-10 parts of preservative, 10-15 parts of titanium dioxide, 40-55 parts of kaolin, 12-18 parts of coalescents, pure third 280-300 parts of emulsion, 80-100 parts of levelling agent, 1.5-2 parts of PH conditioning agents, 10-12 parts of antifreezing agent, 5-8 parts of wetting agent, quartz sand 500-520 parts, 5-8 parts of thickener, 3-5 parts of defoamer.
2. a kind of novel colorful stone similar paint according to claim 1, it is characterised in that by mass, including 530 parts of water, 10 parts of modified cellulose, 3 parts of dispersant, 7 parts of preservative, titanium dioxide 10,50 parts of kaolin, 14 parts of coalescents, pure-acrylic emulsion 280 parts, 80 parts of levelling agent, 1.5 parts of PH conditioning agents, 10 parts of antifreezing agent, 5 parts of wetting agent, 500 parts of quartz sand, 6 parts of thickener disappears 4 parts of infusion.
3. a kind of novel colorful stone similar paint according to claim 1 or 2, it is characterised in that:The modified cellulose is hydroxyl Ethyl modified cellulose.
4. a kind of novel colorful stone similar paint according to claim 1 or 2, it is characterised in that:The titanium dioxide is to compare surface Product is 80-145m2/ g anatase titanium dioxides.
5. a kind of novel colorful stone similar paint according to claim 1 or 2, it is characterised in that:The pure-acrylic emulsion is propylene Acid esters modification or the pure-acrylic emulsion of epoxy resin modification.
6. a kind of novel colorful stone similar paint according to claim 1 or 2, it is characterised in that:The quartz sand is 40-100 Purpose quartz sand.
7. a kind of preparation method of novel colorful stone similar paint according to claim any one of 1-6, it is characterised in that including Following steps:(1) water, preservative, dispersant, titanium dioxide, kaolin, a part of defoamer are added in reactor, stirred 2-5 minutes uniform to material, and continuation adds modified cellulose under stirring, continues to stir 5 minutes;(2) film forming is added to help Disperse 2 minutes after agent, antifreezing agent;(3) pure-acrylic emulsion, thickener, wetting agent and remaining defoamer are added, continues to stir 5 points Clock is to uniform;(4) quartz sand is added, continues to stir 5 minutes, levelling agent and pH adjusting agent is added, stirring is shut down standby after 2 minutes With.
8. a kind of preparation method of novel colorful stone similar paint according to claim 7, it is characterised in that:The step (1) To be slowly added to during the addition of middle modified cellulose, it is to avoid agglomerating caking.
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CN112646436A (en) * 2020-08-07 2021-04-13 安徽雅特兰新材料科技有限公司 Preparation method of dry-particle colorful stone-like paint
CN113621292A (en) * 2021-08-24 2021-11-09 广东美涂士建材股份有限公司 Mirror-surface colorful stone-like paint for exterior wall
CN115557708A (en) * 2022-08-22 2023-01-03 宸光(常州)新材料科技有限公司 Photovoltaic glass coated with real stone paint, and preparation method and application thereof
CN115557708B (en) * 2022-08-22 2024-03-15 宸光(常州)新材料科技有限公司 Photovoltaic glass coated with stone-like paint and preparation method and application thereof
CN116285514A (en) * 2023-03-22 2023-06-23 广东美洲宝实业有限公司 Waterproof anti-fouling stone-like paint and preparation method thereof

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