CN106938898A - A kind of true mineral varnish suitable for airless spraying - Google Patents

A kind of true mineral varnish suitable for airless spraying Download PDF

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Publication number
CN106938898A
CN106938898A CN201710114757.7A CN201710114757A CN106938898A CN 106938898 A CN106938898 A CN 106938898A CN 201710114757 A CN201710114757 A CN 201710114757A CN 106938898 A CN106938898 A CN 106938898A
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China
Prior art keywords
mineral varnish
true mineral
water
varnish according
quartz sand
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CN201710114757.7A
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CN106938898B (en
Inventor
刘洪亮
徐晓东
薛小倩
董立志
胡中源
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Hebei Chenyang Industry and Trade Group Co Ltd
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Hebei Chenyang Industry and Trade Group 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
    • C04B2111/00474Uses 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
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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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 technical field of coatings, a kind of true mineral varnish suitable for airless spraying is specifically disclosed, by weight percentage, it includes following components:Acrylic resin 13~18%, water-loss reducer 0.1~0.3%, defoamer 0.03~0.1%, thixotropic agent 0.02~0.05%, antifreezing agent 0.6~1%, coalescents 0.5~1%, pH value regulator 0.05~0.1%, wood fibre 0.2~0.3%, preservative 0.1~0.2%, quartz sand 65~76%, surplus is water.The true mineral varnish of the present invention is applied to airless spraying, and with environmental protection, adhesion strength is high, dries and shrinks the features such as strong, the aobvious grittiness of small, water-proof breathable properties is protruded, and compared with common true mineral varnish, efficiency of construction is high, drop rate is few, it is possible to decrease construction cost.

Description

A kind of true mineral varnish suitable for airless spraying
Technical field
The present invention relates to technical field of coatings, more particularly, to a kind of true mineral varnish.
Background technology
True mineral varnish is by aggregate, binding agent(Base-material), various auxiliary agents and solvent composition, its coating possesses the abundant of lithotome Texture, third dimension, and with the serious, aesthetic feeling of harmony.It is compared with facing tile, dry hanging granite, and cost performance is higher, and it is filled Effect is adornd comparable to stone material, and is more suitable for than stone material moulding various designs, therefore is quite welcome by construction market, is current exterior wall The preferred ornament materials of finishing.
At present, the construction of true mineral varnish is mainly aerial spraying, and less use airless spraying.Aerial spraying is to utilize compression The air-flow of air, flows through spray tip hole and forms negative pressure, negative pressure makes paint vehicle be sucked from suction pipe, sprayed through nozzle, forms coating cloud, paint Spray painting is mapped to and uniform paint film is formed on covering with paint substrate surface.Airless spraying is to be increased liquid coating using booster pump Pressure, is then delivered to airless spray gun through high-pressure hose, finally without spraying to coated article after hydraulic pressure, instantaneous atomization are discharged at gas jets Surface, forms film layer, due to not containing air in coating, so it is referred to as airless spraying, abbreviation airless spraying.
The pressure ratio aerial spraying of airless spraying is much bigger, and its emitted dose is far above aerial spraying, therefore efficiency of construction is more Height, and because airless spraying principle is hydraulic atomizing, coating used is fewer than aerial spraying on the contrary when it sprays, therefore more saves Material.However, because the jet velocity of airless spraying is fast, when spraying contains big particle, the true mineral varnish of fiber, with coating layer thickness Increase, easily cracking phenomenon, and drop is more, coating quality is difficult to ensure that.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of true mineral varnish suitable for airless spraying, applied not open with thickness Split, the advantage that drop rate is low, it is adaptable to airless spraying, it is possible to increase efficiency of construction, reduce construction cost.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of true stone suitable for airless spraying Paint, by weight percentage, it is mixed by following components:
Acrylic resin 13~18%,
Water-loss reducer 0.1~0.3%,
Defoamer 0.03~0.1%,
Thixotropic agent 0.02~0.05%,
Antifreezing agent 0.6~1%,
Coalescents 0.5~1%,
PH value regulator 0.05~0.1%,
Wood fibre 0.2~0.3%,
Preservative 0.1~0.2%,
Quartz sand 65~76%,
Water surplus.
Wherein, the acrylic resin is self-crosslinking pure-acrylic emulsion, it is preferred that its solid content is 46~48%, minimum film forming Temperature is 23 DEG C.
It is preferred that, the water-loss reducer is methyl ethyl hydroxyethyl cellulose ether, and the defoamer is mineral oil defoaming agent, The thixotropic agent is organobentonite, and the coalescents are 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, the pH Value conditioning agent is 2-amino-2-methyl-1-propanol, and the preservative is Kathon CG class preservative.
It is preferred that, the wood fibre length is 500um.
Further, the quartz sand is matched somebody with somebody for the natural crystal level of different-grain diameter and formed, different-grain diameter quartz sand mass ratio For 20~40 mesh:40~80 mesh:80~120 mesh=1:7:7.
Instant component water is underground water or running water.
Further, the true mineral varnish is made as follows:
By the component proportion, water-loss reducer and thixotropic agent are dissolved in coalescents and antifreezing agent respectively, are then added into Into the water accurately measured, stirring, then sequentially add into the aqueous solution acrylic resin, defoamer, preservative, wood fibre, PH adjusting agent, stirring forms in emulsion form slurries, most backward emulsion form slurries and adds the quartz sand of different gradation, that is, institute is made State true mineral varnish.
It is preferred that, when adding the quartz sand of different gradation, fine sand is first added, coarse sand is added afterwards.
It is using the beneficial effect produced by above-mentioned technical proposal:The true mineral varnish of the present invention using 100% pure acrylic latex as Base-material, adds several functions additive, and its paint film flexibility reaches 50mm flawlesses, and adhesion strength reaches 1.3mpa, can Constructed using airless spraying, compared with prior art aerial spraying, 6~8 times of improved efficiency, construction period shortens, manpower of constructing Cost is significantly reduced, and drop phenomenon is significantly reduced, it is to avoid wasted.The present invention true mineral varnish production prepare it is simple and convenient, without waving Hair property organic matter, safety and environmental protection can be used for exterior wall concrete, the surface such as old-wall renewing.
Embodiment
There is the high shortcoming of coating cracking, drop rate using airless spraying for the true mineral varnish of prior art, the present invention is provided A kind of true mineral varnish suitable for airless spraying, by weight percentage, it is mixed by following components:Acrylic resin 13~ 18%, water-loss reducer 0.1~0.3%, defoamer 0.03~0.1%, thixotropic agent 0.02~0.05%, antifreezing agent 0.6~1%, coalescents 0.5~1%, pH value regulator 0.05~0.1%, wood fibre 0.2~0.3%, preservative 0.1~0.2%, quartz sand 65~76%, Surplus is water.
The present invention is made as follows suitable for the true mineral varnish of airless spraying:
By the component proportion, water-loss reducer and thixotropic agent are dissolved in coalescents and antifreezing agent respectively, are then added into Into the water accurately measured, stirring, then sequentially add into the aqueous solution acrylic resin, defoamer, preservative, wood fibre, PH adjusting agent, stirring forms in emulsion form slurries, most backward emulsion form slurries and adds the quartz sand of different gradation, it is preferred that first Fine sand is added, coarse sand is added afterwards, that is, the true mineral varnish is made.
Illustrate below and the present invention is described in further detail.
The true mineral varnish embodiment suitable for airless spraying that proportioning component is constituted as shown in Table 1 below is prepared by preceding method 1-3。
In embodiment 1-3, acrylic resin used is LG-DOW(Dow)Self-crosslinking pure-acrylic emulsion TX100, its solid content is 46~48%, MFT is 23 DEG C.Water-loss reducer used is methyl ethyl hydroxyethyl cellulose ether, such as Akzo Nobel (AkzoNobel)100K2.Defoamer used is mineral oil defoaming agent, such as Hai Chuan F111.Thixotropic agent used is organic bentonite Profit soil, such as BP-188B of Zhejiang Ward.Used film forming auxiliary agent is 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, such as her The graceful texanol of scholar.PH value regulator used is 2-amino-2-methyl-1-propanol, and the AMP-95 of lattice is pacified in such as U.S..It is used anti- Rotten agent is Kathon CG class preservative, such as RS of Britain's Sol.Wood fibre used is Xing Meiya HB300, and its length is 500um. Water used is running water.
In embodiment 1-3, quartz sand used is matched somebody with somebody for the natural crystal level of different-grain diameter to be formed, different-grain diameter quartz sand quality Than for 20~40 mesh:40~80 mesh:80~120 mesh=1:7:7.
By true mineral varnish obtained by embodiment of the present invention 1-3 and the true mineral varnish of prior art(Competing product)Performance detection is carried out, is measured All technical be shown in Table 2.
In table 2, detection project 1-13 is is detected according to national standard, and detection project 14-18 is to combine practice of construction automatic control Project, wherein embodiment 1-3 products are airless spraying, and competing product are aerial spraying.
In table 2, initial stage water-whitening resistance be air drying 4h after do the resistance to water-white test of coating;Drop rate be spraying process in fall Knockout grain accounts for the percentage of consumption;How long efficiency of construction refers to 1 square meter of spraying.
As can be seen from Table 2, the true mineral varnish of the embodiment of the present invention has environmental protection, adhesion strength height, dries and shrink small, anti- The features such as strong, the aobvious grittiness of water gas permeability is protruded, not only meets true mineral varnish traditional performance, causes out after more solving once construction The generation split, meanwhile, thixotropy is 6.0 or so, it is adaptable to airless spraying, and efficiency of construction is high(Equivalent to the 6-8 of usual spray Times), drop rate is low(< 2%), cost of labor and construction period can be reduced, solves that existing market coating price is higher, drop The problems such as many, low construction efficiency.
Compared with prior art, the embodiment of the present invention has the following advantages that:
(1)Using 100% acrylic emulsion there is provided the excellent adhesion strength of true mineral varnish, ageing-resistant performance, contaminated resistance and just Phase water-whitening resistance.
(2)Using methyl ethyl hydroxyethyl cellulose as water-loss reducer, make system that there is bleed and the foam stability of brilliance, The spray efficiency of true mineral varnish is greatly improved.
(3)High thixotroping bentonite is employed, association network structure is hydrated to form rapidly after meeting water, the list with smooth performance Body microprocessing chip is embedded between the particles of material such as sand grains in order, reduces intergranular friction resistance, forms smooth effect, improves spraying Smoothness.
(4)Use wood-fibred to be dried for true mineral varnish and moisture evaporation passage is provided, it is to avoid cracking phenomenon in drying process.
The present invention is described in detail above, embodiments of the present invention carried out using specific case in the present invention Illustrate, the explanation of above example is only intended to help and understands the present invention, it is noted that for the technology people of the art For member, under the premise without departing from the principles of the invention, some improvement can be also carried out to the present invention, these improvement also fall into this hair In bright scope of the claims.

Claims (10)

1. a kind of true mineral varnish suitable for airless spraying, it is characterised in that:By weight percentage, it is mixed by following components and made Into:
Acrylic resin 13~18%,
Water-loss reducer 0.1~0.3%,
Defoamer 0.03~0.1%,
Thixotropic agent 0.02~0.05%,
Antifreezing agent 0.6~1%,
Coalescents 0.5~1%,
PH value regulator 0.05~0.1%,
Wood fibre 0.2~0.3%,
Preservative 0.1~0.2%,
Quartz sand 65~76%,
Water surplus.
2. true mineral varnish according to claim 1, it is characterised in that the acrylic resin is self-crosslinking pure-acrylic emulsion, it is consolidated Content is 46~48%, and MFT is 23 DEG C.
3. true mineral varnish according to claim 1, it is characterised in that the water-loss reducer is methyl ethyl hydroxyethyl cellulose ether.
4. true mineral varnish according to claim 1, it is characterised in that the defoamer is mineral oil defoaming agent.
5. true mineral varnish according to claim 1, it is characterised in that the thixotropic agent is organobentonite.
6. true mineral varnish according to claim 1, it is characterised in that the coalescents are 2,2,4- trimethyls -1,3- penta 2 Alcohol mono isobutyrate, the pH value regulator is 2-amino-2-methyl-1-propanol, and the preservative is Kathon CG class preservative.
7. true mineral varnish according to claim 1, it is characterised in that the wood fibre length is 500um.
8. true mineral varnish according to claim 1, it is characterised in that the quartz sand is matched somebody with somebody for the natural crystal level of different-grain diameter Form, different-grain diameter quartz sand mass ratio is 20~40 mesh:40~80 mesh:80~120 mesh=1:7:7.
9. true mineral varnish according to claim 1, it is characterised in that the true mineral varnish is made as follows:
By the component proportion, water-loss reducer and thixotropic agent are dissolved in coalescents and antifreezing agent respectively, are then added into Into the water accurately measured, stirring, then sequentially add into the aqueous solution acrylic resin, defoamer, preservative, wood fibre, PH adjusting agent, stirring forms in emulsion form slurries, most backward emulsion form slurries and adds the quartz sand of different gradation, that is, institute is made State true mineral varnish.
10. true mineral varnish according to claim 9, it is characterised in that when adding the quartz sand of different gradation, first add fine sand, After add coarse sand.
CN201710114757.7A 2017-02-28 2017-02-28 A kind of lacquer suitable for airless spraying Active CN106938898B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073415A (en) * 2019-12-17 2020-04-28 四川嘉宝莉涂料有限公司 Light stone-like paint without color sand
CN114618703A (en) * 2022-03-16 2022-06-14 河北晨阳工贸集团有限公司 Real stone paint quality identification device and identification method thereof
CN114989685A (en) * 2022-06-14 2022-09-02 亚士创能科技(石家庄)有限公司 Texture paint and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104609772A (en) * 2014-12-26 2015-05-13 三棵树涂料股份有限公司 Really stone paint and preparation method thereof
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104609772A (en) * 2014-12-26 2015-05-13 三棵树涂料股份有限公司 Really stone paint and preparation method thereof
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李东光 主编: "《功能性涂料生产与应用》", 30 June 2006, 江苏科学技术出版社 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073415A (en) * 2019-12-17 2020-04-28 四川嘉宝莉涂料有限公司 Light stone-like paint without color sand
CN111073415B (en) * 2019-12-17 2022-02-08 四川嘉宝莉涂料有限公司 Light stone-like paint without color sand
CN114618703A (en) * 2022-03-16 2022-06-14 河北晨阳工贸集团有限公司 Real stone paint quality identification device and identification method thereof
CN114618703B (en) * 2022-03-16 2023-09-01 河北晨阳工贸集团有限公司 Real stone paint quality identification device and identification method thereof
CN114989685A (en) * 2022-06-14 2022-09-02 亚士创能科技(石家庄)有限公司 Texture paint and preparation method thereof
CN114989685B (en) * 2022-06-14 2023-08-11 亚士创能科技(石家庄)有限公司 Texture paint and preparation method thereof

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Inventor after: Liu Hongliang

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Inventor after: Dong Lizhi

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