CN107129185A - A kind of true mineral varnish and preparation method thereof - Google Patents

A kind of true mineral varnish and preparation method thereof Download PDF

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Publication number
CN107129185A
CN107129185A CN201710258419.0A CN201710258419A CN107129185A CN 107129185 A CN107129185 A CN 107129185A CN 201710258419 A CN201710258419 A CN 201710258419A CN 107129185 A CN107129185 A CN 107129185A
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parts
mineral varnish
true mineral
pure
quartz sand
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CN107129185B (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
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06Acrylates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00293Materials impermeable to liquids
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/54Substitutes for natural stone, artistic materials or the like
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/80Optical properties, e.g. transparency or reflexibility
    • C04B2111/82Coloured materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (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 true mineral varnish, according to the quartz sand and 20% ~ 28% slurry of mass percent meter, including 72% ~ 80%;Wherein, in parts by mass, the slurry includes 850 980 parts of pure water, 20 30 parts of modified celluloses, 20 50 parts of antifreezing agents, 40 75 parts of bentonites, 1,050 1300 parts of pure-acrylic emulsions, 60 80 parts of coalescents, 25 42 parts of thickeners, 10 28 parts of levelling agents, 5 10 parts of pH adjusting agents and 18 28 portions of preservatives.By the selection to raw material and constituent optimization, make product shape that there is preferable stability, frost resistance, water resistance and weatherability, preferable performance can be kept under low temperature, high humidity environment, non-whitening discoloration expands the traffic coverage of true mineral varnish and uses scope significantly.Present invention also offers the preparation method of the true mineral varnish simultaneously.

Description

A kind of true mineral varnish 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 true mineral varnish and its Preparation method.
Background technology
True mineral varnish is to develop very swift and violent product type in building coating industry in recent years, and it typically selects emulsion polymer As binding agent, selection can constitute the color sand aggregate of stone texture, natural or compound sliver as color stuffing, outside finished product paint film Such as natural stone general nature, steady, style are seen, product system has outstanding high durable, cracking resistance, hydrophobic ventilative and safety The performance such as nontoxic, a large amount of applications for substituting ceramic tile and stone material in decoration of exterior wall in actual applications, oneself is through turning into decoration of exterior wall Most popular product line in coating.In the market such product it is general after rainy day or when wetness is big will burst return In vain, discolouration phenomena, easily forms hollowing, and service life is shorter.Its frost resistance, the ageing, feature of environmental protection of storage are bad, how to solve production The problem of product are in frost resistance, the ageing, feature of environmental protection of storage, expands the application of product, as a great problem.
For this problem, there are some researches show by the way that true mineral varnish composition is transformed into powdered solid-state by liquid, to solve Its frost resistance, the problem of storage is ageing, the feature of environmental protection is bad.As disclosed one kind in Chinese patent CN201310733947.9 " environment-friendlydry dry powder type real stone paint and preparation method ", it improves and deposited by the way that product is become into solid-state dry powder-shaped Storage stability, expand transport and use scope, with progressive meaning.And for example disclosed in Chinese patent CN201210577169.4 " a kind of colored stone paint and preparation method thereof ", the acrylic latex powder of its 90%%~93% color sand and 6%-9% mainly included, Be converted into solid-state dry powder-shaped again by by the component of true mineral varnish, to obtain preferably store it is ageing, transportability and Frost resistance.
But true mineral varnish still needs addition water or solvent when using construction, is coated, forms it into Building wood , it is necessary to the corrosion of the various external environments faced behind the top layer of material, particularly some low temperature, high humility area in use, It is especially prominent.Although the studies above solves technical problem of the true mineral varnish in transport and preservation, but is not fully solved existing Have true mineral varnish coating after rainy day or when wetness is big will burst return white, the phenomenon of colour fading.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of true mineral varnish, it has preferable stability, frost resistance, water resistance With weatherability, preferable performance can be kept under low temperature, high humidity environment, non-whitening discoloration expands true mineral varnish significantly Traffic coverage is with using scope.
In order to realize the technical purpose of the present invention, the present invention is adopted the following technical scheme that.
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish include 72%~80% quartz sand and 20%~ 28% slurry;Wherein, in parts by mass, the slurry includes 850-980 parts of pure water, 20-30 parts of modified celluloses, 20-50 Part antifreezing agent, 40-75 parts of bentonites, 1050-1300 parts of pure-acrylic emulsions, 60-80 parts of coalescents, 25-42 parts of thickeners, 10- 28 parts of levelling agents, 5-10 parts of pH adjusting agents and 18-28 portions of preservatives.
It is preferred that, the slurry include 876 parts of pure water, 22 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts of pure-acrylic emulsions, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
It is preferred that, the quartz sand is color sand, and color sand color is selected as needed.
It is preferred that, the antifreezing agent is DBS (SA dibutyl ester), DOS (SA dioctyl ester), (adipic acid two is pungent by DOA At least one of ester).
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 volume of true mineral varnish particle in itself is improved, is subtracted The space of Particle free activity is lacked, so as to improve the stability of system.When content of cellulose is relatively low or not added-time, institute completely The true mineral varnish particle obtained is smaller, unstable, easily layering, is difficult long-term preservation.Using hydroxyethyl cellulose rather than use hydroxyl Propyl methocel or methylcellulose are because it has colloid protective capability more more preferable than the latter and steady in the present invention It is qualitative.
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 water resistance for testing true mineral varnish, 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 true mineral varnish.Quartz sand selection the mesh of 40 mesh -100 reason be The too small easy blocking spray gun of one side quartz sand mesh number, influences follow-up painting membrane process;If other quartz sand mesh number is too big, table There is significant change in face glossiness etc., and the visual impression of imitation marble paint has larger decline.It is furthermore preferred that quartz sand in the present invention Arrange in pairs or groups (quality):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 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 bentonite is that average grain diameter is that between 0.5~2 μm, bentonite on the one hand can be with water combination shape Into after pug, with higher plasticity, true mineral varnish particle is set to deform in the effect of external force, external force is deformed after removing to disappear Characteristic, in the granular size for the true mineral varnish for increasing acquisition to a certain degree.In addition, swelling soil granularity is to its mud viscosity, mud Ion exchange capacity, binding ability in slurry etc. all have a very big impact.In the present invention, bentonitic particle diameter is less than 2 μm can be with Preferable plasticity and quartz sand associativity are obtained, selection is at 0.5 μm above is because the less bentonite of one side granularity exists Improved a lot in cost and performance change is not obvious, still further aspect is in order at that swelling soil granularity is meticulous can also be due to than surface Product is excessive when true mineral varnish coating is dried, and causes formed paint film to shrink excessive, discontinuous disconnected line occurs, influence product Drastically deterioration that is attractive in appearance and causing water resistance.
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 true mineral varnish, improves true stone The rheological property of particle is painted, contributes to reinforcement to form monodisperse particles, flocculation is prevented, improves the stable storage of product Property.
A kind of preparation method of true mineral varnish, comprises the following steps:Comprise the following steps:(1) by water, bentonite, antifreezing agent It is added in reactor, stirring 2-5 minute is uniform to material, and continuation adds modified cellulose under stirring, continues stirring 5 Minute;(2) pure-acrylic emulsion, thickener are added, continues to stir 5 minutes to uniform;(3) coalescents, levelling agent, pH regulations are added Disperse 2 minutes after agent;(4) preservative, quartz sand are added, continues to stir 5 minutes, 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 true mineral varnish, by the selection to raw material and constituent optimization, there is product shape preferable stable Property, frost resistance, water resistance and weatherability can keep preferable performance under low temperature, high humidity environment, non-whitening discoloration, greatly The traffic coverage of true mineral varnish is expanded greatly and uses scope.Present invention also offers the preparation method of the true mineral varnish 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 the schematic diagram of the true mineral varnish paint coatings of 1-4 of embodiment of the present invention formation (by water resistance test);
Fig. 2 is comparative example 1 of the present invention, the schematic diagram of the true mineral varnish paint coatings of the formation of comparative example 2 (by water resistance test);
Fig. 3 is the schematic diagram of the true mineral varnish paint coatings of the formation of comparative example 3 of the present invention (by water resistance test);
Fig. 4 is the schematic diagram of the true mineral varnish paint coatings of the formation of comparative example 4 of the present invention (by water resistance test);
Fig. 5 is the schematic diagram of the true mineral varnish paint coatings of comparative example 5-7 formation of the present invention (by water resistance test).
Wherein 1#-4# represents the picture of embodiment 1-4 paint film coatings successively, and 5#-11# represents comparative example 1-7 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 true mineral varnish, according to mass percent meter, the true mineral varnish includes 72%~80% quartz sand and 20%~28% Slurry;Wherein, in parts by mass, the slurry include 850-980 parts of pure water, 20-30 parts of modified celluloses, 20-50 parts it is antifreeze Agent, 40-75 parts of bentonites, 1050-1300 parts of pure-acrylic emulsions, 60-80 parts of coalescents, 25-42 parts of thickeners, 10-28 parts of streams Flat agent, 5-10 parts of pH adjusting agents and 18-28 portions of preservatives.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the bentonite 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.Quartz sand collocation (quality) in the present invention: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 sand, with optimal surface gloss and class marble vision sense of touch.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
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 antifreezing agent is DBS (SA dibutyl ester), DOS (SA dioctyl ester), (adipic acid two is pungent by DOA At least one of ester).
Embodiment 2
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 22 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts it is pure Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the bentonite 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.Quartz sand collocation (quality) in the present invention: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 sand, with optimal surface gloss and class marble vision sense of touch.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
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 antifreezing agent is DBS (SA dibutyl ester), DOS (SA dioctyl ester), (adipic acid two is pungent by DOA At least one of ester).
Embodiment 3
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 80% quartz sand and 20% slurry;Wherein, press Mass parts meter, the slurry include 850 parts of pure water, 20 parts of modified celluloses, 50 parts of antifreezing agents, 40 parts of bentonites, 1050 parts it is pure Acrylic emulsion, 70 parts of coalescents, 25 parts of thickeners, 20 parts of levelling agents, 5 parts of pH adjusting agents and 18 portions of preservatives.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the bentonite 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.Quartz sand collocation (quality) in the present invention: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 sand, with optimal surface gloss and class marble vision sense of touch.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
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 antifreezing agent is DBS (SA dibutyl ester), DOS (SA dioctyl ester), (adipic acid two is pungent by DOA At least one of ester).
Embodiment 4
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 980 parts of pure water, 30 parts of modified celluloses, 20 parts of antifreezing agents, 75 parts of bentonites, 1300 parts it is pure Acrylic emulsion, 80 parts of coalescents, 42 parts of thickeners, 10 parts of levelling agents, 10 parts of pH adjusting agents and 28 portions of preservatives.
It is preferred that, the modified cellulose is hydroxyethyl modified cellulose.
It is preferred that, the pure-acrylic emulsion is acrylate modified or epoxy resin modification pure-acrylic emulsion.
It is preferred that, the bentonite 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.Quartz sand collocation (quality) in the present invention: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 sand, with optimal surface gloss and class marble vision sense of touch.
It is preferred that, the pH adjusting agent is one kind in ammoniacal liquor or saleratus.
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 antifreezing agent is DBS (SA dibutyl ester), DOS (SA dioctyl ester), (adipic acid two is pungent by DOA At least one of ester).
Comparative example 1 (under conditions of content of cellulose is more than 40 parts)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 40 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts it is pure Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
Comparative example 2 (content of cellulose is less than in the case of 15 parts)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 15 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts it is pure Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
Comparative example 3 (uses silicone acrylic emulsion)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry includes 876 parts of pure water, 22 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts of silicon Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
Comparative example 4 (influence of swelling soil granularity, average grain diameter is less than 0.3 μm of bentonite)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 22 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts it is pure Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
Comparative example 5 (does not contain levelling agent)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 22 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts it is pure Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 8 parts of pH adjusting agents and 22 portions of preservatives.
Comparative example 6 (does not contain antifreezing agent)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 22 parts of modified celluloses, 60 parts of bentonites, 1200 parts of pure-acrylic emulsions, 60 parts Coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
Comparative example 7 (uses methylcellulose)
A kind of true mineral varnish, according to mass percent meter, the true mineral varnish includes 72% quartz sand and 28% slurry;Wherein, press Mass parts meter, the slurry include 876 parts of pure water, 22 parts of modified celluloses, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts it is pure Acrylic emulsion, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levelling agents, 8 parts of pH adjusting agents and 22 portions of preservatives.
Coating paint film is made in the true mineral varnish obtained to above example and comparative example, and it is tested, as a result such as Shown in table 1.
Performance test between each embodiment of table 1 and comparative example
Test condition:
Frost resistance:Paint film coating is made in product, temperature is placed in and whether occurs colour fading at 0-5 DEG C, to observe its surface and turn white Situation changes, and every 30 days records are once.
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, if there is marble visual impression.
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.
Embodiment 1-4 result, product shape has preferable stability, frost resistance, water resistance and weatherability, can be low Preferable performance is kept under temperature, high humidity environment, non-whitening discoloration expands the traffic coverage of true mineral varnish and uses model significantly Enclose.
It is due to the modified fine of addition although the stability of the true mineral varnish of addition in comparative example 1 due to cellulose is more excellent Cellulose content is tieed up more, so as to cause paint film water resistance to decline.The content of cellulose added in comparative example 2 is too low, although water-fast Performance in property is not deteriorated, but the less stable of the true mineral varnish obtained, and the holding time is shorter, and is obtained True mineral varnish be easily layered.Methylcellulose is used in comparative example 7, it can be seen that the true mineral varnish that it is obtained is on storage stability It is weaker than using hydroxyethyl modified cellulose, and performance also has deterioration in frost resistance, there is slight blushing.
Silicone acrylic emulsion rather than pure-acrylic emulsion, the paint film coating mildness that the true mineral varnish obtained is made are used in comparative example 3 It is not high, the defect such as easily there is micropore, wrinkle, meanwhile, the paint film obtained is also deteriorated in water resistance, there is blushing. Bentonitic granularity is smaller in comparative example 4, and the true mineral varnish product stability obtained preferably, but is made by true mineral varnish particle During paint film coating, dried paint film is excessive due to shrinking, and discontinuous disconnected line easily occurs, influences the attractive in appearance of product, and The water resistance of paint film, frost resistance deterioration, there is blushing.
Levelling agent is not contained in comparative example 5, the true mineral varnish obtained is more real in product storage stability, particle dispersion Apply a 1-4 weak points.And the water resistance of its paint film coating finally obtained is also not as obtained in embodiment Paint film coating, has the phenomenon turned white to occur.Due to not containing antifreezing agent in comparative example 6, it is substantially deteriorated in frost resistance, And the water resistance in low temperature also occurs in that deterioration, on the one hand surface improves true mineral varnish using antifreeze in the present invention Resistance to low temperature, still further aspect to true mineral varnish in terms of water resistance also have certain castering action.
According to above-described embodiment and comparative example data, it is apparent that the invention provides a kind of true mineral varnish, by right The selection of raw material and constituent optimization, make product shape have preferable stability, frost resistance, water resistance and weatherability, can be low Preferable performance is kept under temperature, high humidity environment, non-whitening discoloration expands the traffic coverage of true mineral varnish and uses model significantly Enclose.Simultaneously present invention also offers the preparation method of the true mineral varnish, control adds speed during modified cellulose is added, Conglomeration is avoided, the performance of true mineral varnish particle is influenceed.
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 (10)

1. a kind of true mineral varnish, it is characterised in that according to mass percent meter, the true mineral varnish includes 72% ~ 80% quartz sand and 20% ~ 28% slurry;Wherein, in parts by mass, the slurry includes 850-980 parts of pure water, 20-30 parts of modified celluloses, 20-50 Part antifreezing agent, 40-75 parts of bentonites, 1050-1300 parts of pure-acrylic emulsions, 60-80 parts of coalescents, 25-42 parts of thickeners, 10- 28 parts of levelling agents, 5-10 parts of pH adjusting agents and 18-28 portions of preservatives.
2. a kind of true mineral varnish according to claim 1, it is characterised in that:The slurry includes 876 parts of pure water, 22 parts of modifications Cellulose, 28 parts of antifreezing agents, 60 parts of bentonites, 1200 parts of pure-acrylic emulsions, 60 parts of coalescents, 35 parts of thickeners, 20 parts of levellings Agent, 8 parts of pH adjusting agents and 22 portions of preservatives.
3. a kind of true mineral varnish according to claim 2, it is characterised in that:The quartz sand is the quartz sand of 40-100 mesh, Wherein 90 mesh account for 14.8%, 80 mesh and account for 7.4%, 70 mesh and account for 7.8% by mass percentage, and remainder is 60 mesh quartz sands.
4. a kind of true mineral varnish according to claim 3, it is characterised in that:The quartz sand is color sand, color sand color according to Need to be selected.
5. a kind of true mineral varnish according to claim 1 or 2 or 3 or 4, it is characterised in that:The modified cellulose is hydroxyl second Base modified cellulose.
6. a kind of true mineral varnish according to claim 1 or 2 or 3 or 4, it is characterised in that:The pure-acrylic emulsion is acrylic acid Ester modified or epoxy resin modification pure-acrylic emulsion.
7. a kind of true mineral varnish according to claim 1 or 2 or 3 or 4, it is characterised in that:The bentonite is modified for sodium base Bentonite.
8. a kind of true mineral varnish according to claim 1 or 2 or 3 or 4, it is characterised in that:The antifreezing agent is DBS(Certain herbaceous plants with big flowers two Dibutyl phthalate)、DOS(SA dioctyl ester)、DOA(Dioctyl adipate)At least one of.
9. the preparation method of a kind of true mineral varnish according to claim any one of 1-8, it is characterised in that including following step Suddenly:(1)Water, bentonite, antifreezing agent are added in reactor, stirring 2-5 minute is uniform to material, and continuation is under stirring Modified cellulose is added, continues to stir 5 minutes;(2)Pure-acrylic emulsion, thickener are added, continues to stir 5 minutes to uniform;(3)Plus Enter and disperse 2 minutes after coalescents, levelling agent, pH adjusting agent;(4)Preservative, quartz sand are added, continues to stir 5 minutes, stirring Shut down after 2 minutes standby.
10. a kind of preparation method of true mineral varnish according to claim 9, it is characterised in that:The step(1)It is middle modified fine To be slowly added to during the addition for tieing up element, it is to avoid agglomerating caking.
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CN108084750A (en) * 2017-12-29 2018-05-29 平阳瑞丰新材料科技有限公司 A kind of lacquer and its application
CN108191307A (en) * 2017-12-25 2018-06-22 厦门市固力克节能科技有限公司 A kind of anti-dropout graphene lacquer and preparation method thereof
CN108329744A (en) * 2018-01-22 2018-07-27 河北晨阳工贸集团有限公司 A kind of lacquer water-base resin sand and preparation method thereof
CN110066138A (en) * 2019-03-23 2019-07-30 上海雷鸟涂料有限公司 A kind of heat-resistance type lacquer and its preparation process
CN112480821A (en) * 2020-11-25 2021-03-12 无锡乐华自动化科技有限公司 Automatic real stone paint production method
CN115197620A (en) * 2022-07-21 2022-10-18 亚士漆(上海)有限公司 High-coating texture coating and preparation method and application thereof

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CN105601166A (en) * 2016-01-27 2016-05-25 广东施彩涂料有限公司 Stone-like coating resisting temperature variation construction and preparation method thereof

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CN104556831A (en) * 2014-12-18 2015-04-29 沈阳富益通达商贸有限公司 Really stone paint
CN105601166A (en) * 2016-01-27 2016-05-25 广东施彩涂料有限公司 Stone-like coating resisting temperature variation construction and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108191307A (en) * 2017-12-25 2018-06-22 厦门市固力克节能科技有限公司 A kind of anti-dropout graphene lacquer and preparation method thereof
CN108191307B (en) * 2017-12-25 2020-10-09 厦门市固力克节能科技有限公司 Anti-drop graphene stone-like paint and preparation method thereof
CN108084750A (en) * 2017-12-29 2018-05-29 平阳瑞丰新材料科技有限公司 A kind of lacquer and its application
CN108329744A (en) * 2018-01-22 2018-07-27 河北晨阳工贸集团有限公司 A kind of lacquer water-base resin sand and preparation method thereof
CN110066138A (en) * 2019-03-23 2019-07-30 上海雷鸟涂料有限公司 A kind of heat-resistance type lacquer and its preparation process
CN110066138B (en) * 2019-03-23 2021-07-06 上海雷鸟涂料有限公司 Temperature-resistant real stone paint and preparation process thereof
CN112480821A (en) * 2020-11-25 2021-03-12 无锡乐华自动化科技有限公司 Automatic real stone paint production method
CN115197620A (en) * 2022-07-21 2022-10-18 亚士漆(上海)有限公司 High-coating texture coating and preparation method and application thereof
CN115197620B (en) * 2022-07-21 2023-10-20 亚士漆(上海)有限公司 High-coating texture coating and preparation method and application thereof

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Patentee before: GUANGDONG NANTIAN PAINT CO.,LTD.

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