CN102795824B - Development and construction method for hydrophobicity negative ion gypsum-based decoration mortar - Google Patents

Development and construction method for hydrophobicity negative ion gypsum-based decoration mortar Download PDF

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Publication number
CN102795824B
CN102795824B CN 201210266946 CN201210266946A CN102795824B CN 102795824 B CN102795824 B CN 102795824B CN 201210266946 CN201210266946 CN 201210266946 CN 201210266946 A CN201210266946 A CN 201210266946A CN 102795824 B CN102795824 B CN 102795824B
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China
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powder
negative ion
construction
mortar
hydrophobicity
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CN 201210266946
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Chinese (zh)
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CN102795824A (en
Inventor
周长喜
张文宝
李志军
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北京莱恩斯涂料有限公司
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Priority to CN 201210266946 priority Critical patent/CN102795824B/en
Publication of CN102795824A publication Critical patent/CN102795824A/en
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Abstract

A development and construction method for hydrophobicity negative ion gypsum-based decoration mortar. The mortar is composed of the following raw materials by weight: 17-30% of semi-hydrated gypsum, 0.05-0.1% of calcium powder, 0.05-20% of negative ion powder, 0.03-0.08% of a delayed coagulant, 0.2-0.4% of acrylic acid ester and styrene copolymerized adhesive powder, 0.1-0.3% of an organosilicon powder water repellent, 0.1-0.3% of an polyethylene glycol powder antifoaming agent, 0.1-0.5% of an water-retaining agent, 0.2-0.4% of wood fibers, and 0.2-0.4% of a toner. The decoration mortar product of the invention can adjust environmental humiture, is fireproof, and can create an electrostatic field itself to electrolyze free-state water molecules in a room to generate the negative ions for pufifying air. Additionally, the paint film applied by using the mortar and the method of the invention has the advantages of good water resistance, various patterns, and abundance in color.

Description

A kind of construction wall development and constructional method of hydrophobicity negative ion gypsum base decoration mortar
Technical field
The present invention relates to the ornamental dry-mix of a kind of construction wall, and the preparation of this mortar and constructional method.
Background technology
The peculiar smell that the harmful minimum gas that discharges in present many constructional ornamental materials and the furniture such as formaldehyde, ammonia, benzene and human body produce etc. swims in aerial, has caused the indoor serious air of new finishing without dying, and HUMAN HEALTH has been caused great harm.And existing upholstery mortar function is comparatively single, does not have the effect that purifies air, regulates indoor humidity.
Existing upholstery mortar is commonly cement base products, and wherein the consumption of grey calcium or white cement is all more than 20%.Because system alkalescence is too strong, can bring mortar later stage brightness reversion problem.Existing coloury toner is most of poor with the cement consistency, can not be used for pigment coloration, has affected using and promoting of decoration mortar product.
The existing semi-hydrated gypsum that adopts all belongs to base material as products such as the gypsum base motar of gelling material, gypsum painting ready mixed mortars, and putty and coating also will be done in the surface during construction, and construction technology is comparatively complicated.In addition, be not added with toner in the existing gypsum base mortar formula for a product, color is single, and decorative effect is not good.
Because the liquid coating product needs handtailor container to store, production cost is higher, is inconvenient to pack and transport, and has carried out in recent years a large amount of research aspect dry-mix.General dry-mix all is take vinyl acetate-ethylene copolymer EVA latex powder as filmogen, but the film-forming properties of EVA latex powder and dispersibility are not good, and poor water resistance is difficult to add toner, has affected the decoration functions of dry-mix.Uneven with also existing powder to mix with water after the water-dispersion when existing powder type coating preparation product is constructed at the scene, the problem of easy precipitation, layering.As improve coating property and must add a large amount of film coalescence aid and other auxiliary agents, and film forming auxiliary agent and other auxiliary agents generally adopt organic solvent, organic solvent is volatile, can to environment, be detrimental to health.In addition, when constructing at the scene, after powder coating is watered, need higher shearing force to guarantee the homogeneity of coating, large quantity of air can form bulla and made tap density cross low and cause intensity to decline to a great extent this moment.The problems referred to above are still waiting to solve.
Summary of the invention
The invention provides a kind of hydrophobicity negative ion gypsum base dry powder decoration mortar and preparation and constructional method, solve existing upholstery mortar color single, do not possess functions such as purifying air, regulate humidity; A large amount of organic solvents that adopt are unfavorable for environmental protection and HUMAN HEALTH in the prescription; Solve also that existing upholstery mortar dispersibility is not good, poor water resistance, can not mix colours, the technical problem of form of construction work complexity.
The technical solution adopted for the present invention to solve the technical problems is:
This hydrophobicity negative ion gypsum base dry powder decoration mortar, its raw material composition and weight percent proportioning are as follows:
Semi-hydrated gypsum 17~30%;
Calcium powder 0.05~0.1%;
Quartz sand 55~80%;
Negative ion powder 0.05~20%;
Retardant 0.03~0.08%;
Acrylate and styrene copolymerized rubber powder 0.2~0.4%;
Organosilicon powder hydrophober 0.1~0.3%;
Polyoxyethylene glycol powder defoamer 0.1~0.3%;
Water-holding agent 0.1~0.5%;
Wood fibre 0.2~0.4%;
Toner 0.2~5%.
Described calcium powder is one or more the mixture in grey calcium, calcium hydroxide or the calcium oxide.
The dioxide-containing silica of described quartz sand is 98%, and Mohs' hardness is 7, and fineness is 20~180 orders.
Described negative ion powder is tourmaline powder.
Described retardant is tartrate, Citrate trianion, rotten albumen or potassium hydrogen phosphate.
Described water-holding agent is hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether or methyl cellulose ether, and viscosity is 20000~40000MPa.S.
The length of described wood fibre is 40~500 μ m.
Described toner is ferric oxide series pigment, manganese oxide, chromic oxide, carbon black or titanium dioxide.
The preparation method of this hydrophobicity negative ion gypsum base dry powder decoration mortar, preparation process is as follows:
Step 1 is weighed each raw materials by weight proportioning;
Step 2 adds semi-hydrated gypsum, quartz sand, negative ion powder and retardant in reactor, high-speed stirring ten minutes;
Step 3, in reactor, add again calcium powder, acrylate and styrene copolymerized rubber powder, silicone powder hydrophober, polyoxyethylene glycol powder defoamer, water-holding agent, wood fibre and toner, high-speed stirring ten minutes, after the product colour detection was qualified, packing got final product.
The constructional method of this hydrophobicity negative ion gypsum base dry powder decoration mortar, construction procedure is as follows:
Step 1, basic unit's face is processed clean, the brushing alkali-resistant sealing primer;
Step 2 is mixed by weight 1:0.3~0.45 hydrophobicity negative ion gypsum base dry powder decoration mortar at the construction field (site) with water;
Step 3 is carried out blade coating or spraying application according to the moulding needs at priming paint, and gauge control is at 1~3mm;
Step 4, after mortar dries in its surperficial roller coating or spray 1~2 road hydrophobicity finishing varnish.
Beneficial effect of the present invention is as follows:
Hydrophobicity negative ion gypsum base dry powder decoration mortar of the present invention is that semi-hydrated gypsum, calcium powder, silica powder, negative ion powder, retardant, acrylate are mixed by certain proportion and method with styrene copolymerized rubber powder, hydrophober, defoamer, water-holding agent, wood fibre and toner, the mortar product of making can the adjusting ambient humiture, fire prevention, and can self produce electrostatic field, by the water molecules of free state in the tank room, produce the anion fine-purification air.In addition, adopt the paint film after the present invention constructs also to have water-tolerant, various shapes, coloury advantage.
Acrylate and styrene copolymerized rubber powder normally are used in water-proof material and the glue for tile.The present invention adopts EVA latex powder in acrylate and the styrene copolymerized rubber powder replacement conventional dry powder coating as the filmogen of coating first in interior wall coating.Because acrylate is all than EVA very large advantage to be arranged aspect cohesiveness, snappiness, film-forming properties or the feature of environmental protection with styrene copolymerized rubber powder, in the situation that identical volume, can greatly reduce the consumption of auxiliary agent, safety and environmental protection, be of value to HUMAN HEALTH, can also guarantee the more excellent scrub resistance of mortar and low burst size of methanal, and the alkaline matter consumption such as grey calcium in the reduction system significantly improves and films snappiness and avoid later stage brightness reversion phenomenon.Acrylate and styrene copolymerized rubber powder also have micro-expansibility, but the chemical shrinkage of establishment decoration mortar in process of setting, thus reduce interface deformation, improve the decorative quality of mortar.
In addition, acrylate and styrene copolymerized rubber powder have better water tolerance than the EVA latex powder, and the product that therefore adds the EVA latex powder more easily adds toner and mixes colours.
Owing to not containing cement in the present invention's prescription, and adopt acrylate and styrene copolymerized rubber powder good with the toner consistency and that have good water resistance, multiple toner pigment can add, and does not affect the use properties of coating when making coating have abundant color.
Gelling material of the present invention is selected semi-hydrated gypsum.The hydrated product of gypsum is dihydrate gypsum, and the dehydration temperaturre of dihydrate gypsum is lower, is approximately 120 ℃.When atmospheric moisture was low, dihydrate gypsum can discharge partial crystallization water, generated semi-hydrated gypsum, and the humidity of environment is increased.When atmospheric moisture was higher, semi-hydrated gypsum can absorb moisture again from environment, formed dihydrate gypsum, and the humidity of environment is reduced, and ambient moisture is had regulatory function.Dihydrate gypsum also contains the crystal water that is equivalent to all-mass about 21%.Under the general temperature, crystal water is stable, and when temperature reached more than 100 ℃, crystal water began to decompose, and produced one deck water vapour curtain on the surface towards burning things which may cause a fire disaster, played the effect that stops propagation of flame and temperature to raise.
Negative ion powder adopts tourmaline powder, and the tourmaline powder of purifying through processing has higher negative ion generation and far infrared transmissivity.Because negative ion itself is with static, have absorption and charge neutrality effect, after therefore swimming in minimum gas molecule that an airborne part dissociates and being adsorbed by negative ion, owing to fall down on self-weight to ground; Electrically neutralization occured in the two when the dusty gas that another part is positively charged and negative ion met, and formed without neutral charge molecule sedimentation nuclear to be deposited on the ground, made it purify, eliminate the purpose of obnoxious flavour thereby reach.
Retardant adopts tartrate, Citrate trianion, rotten albumen or potassium hydrogen phosphate, to reduce the gypsum rate of set.
The ether of cellulose that water-holding agent adopts is a kind of non-ionic water-soluble Mierocrystalline cellulose, has the thickening suspension, disperses, stablizes and keep the multiple effects such as moisture.
Defoamer adopts the polyoxyethylene glycol powder, and is good with other raw material consistencies because its water content not can apply in the middle of the powder-product, has obvious elimination bubble.And now widely used silicone antifoam agent is white viscous emulsion, can only use in water-borne coatings.
Organosilicon powder hydrophober cooperates so that mortar has water-proof function with styrene copolymerized rubber powder with acrylate, improves the weather resistance of decoration mortar.Add organosilicon moisture repellent and can allow mortar have outside the significant hydrophobic nature, also have " respiratory ", this is that other any polymer lacquers are filmed not available.The hydrophobic nature of hydrophobicity cover makes liquid water be difficult to stop at facade, will be the lotus pearl after the liquid water contact and tumble downwards.Organosilyl " respiratory " kept the moisture balance of coating lid, thereby further advanced the weather resistance of decoration mortar.
Wood fibre is that natural reproducible timber is processed the organic wadding fibrous material that obtains through chemical treatment, mechanical process, can improve the mechanical property of coating, plays the effect of cracking resistance, improves the workability of coating application.
Toner can adopt the multiple pigment such as ferric oxide series pigment, manganese oxide, chromic oxide, carbon black or titanium dioxide.
Product of the present invention is powder, and preparation technology is simple, is easy to store, transport, and production cost is low.
Only need to directly use in basic unit during hydrophobicity negative ion gypsum base dry powder decoration mortar of the present invention construction, external coating 1~2 road hydrophobicity finishing varnish gets final product, and need not to do putty and coating, and construction technology is easy, rich color, good decorating effect.
Through instrument positive and negative ion concentration detector (U.S.'s products) mensuration, the anion number of scraping the negative ion mortar and do not scrape the negative ion mortar in the same space differs 1000~2000/ .cm before the present invention 3Place the fruit of plucking simultaneously in same large space, the fruit corruption of scraping in the space of negative ion putty is slower.Detect office's detection by country and obtain following data:
Table one:
Table two:
Table three:
The present invention tests particular content such as following table according to " wall facing mortar " JC/T 1024-2007:
By assay as seen, product splitting resistance of the present invention is good, and has excellent mechanical property and water tolerance.
Embodiment
Embodiment one, this hydrophobicity negative ion gypsum base dry powder decoration mortar, and its raw material composition and weight percent proportioning are as follows:
Semi-hydrated gypsum 20%;
Calcium powder 0.1%;
Quartz sand 70%;
Negative ion powder 7.92%;
Retardant 0.03%;
Acrylate and styrene copolymerized rubber powder 0.25%;
Organosilicon powder hydrophober 0.3%;
Polyoxyethylene glycol powder defoamer 0.1%;
Water-holding agent 0.1%;
Wood fibre 0.2%;
Toner 1%.
Embodiment two, this hydrophobicity negative ion gypsum base dry powder decoration mortar, and its raw material composition and weight percent proportioning are as follows:
Semi-hydrated gypsum 26%;
Calcium powder 0.07%;
Quartz sand 55%;
Negative ion powder 15.89%;
Retardant 0.04%;
Acrylate and styrene copolymerized rubber powder 0.2%;
Organosilicon powder hydrophober 0.3%;
Polyoxyethylene glycol powder defoamer 0.1%;
Water-holding agent 0.2%;
Wood fibre 0.2%;
Toner 2%.
Embodiment three, this hydrophobicity negative ion gypsum base dry powder decoration mortar, and its raw material composition and weight percent proportioning are as follows:
Semi-hydrated gypsum 28%;
Calcium powder 0.05%;
Quartz sand 58%;
Negative ion powder 9.72%;
Retardant 0.08%;
Acrylate and styrene copolymerized rubber powder 0.35%;
Organosilicon powder hydrophober 0.3%;
Polyoxyethylene glycol powder defoamer 0.1%;
Water-holding agent 0.2%;
Wood fibre 0.2%;
Toner 3%.
Embodiment four, this hydrophobicity negative ion gypsum base dry powder decoration mortar, and its raw material composition and weight percent proportioning are as follows:
Semi-hydrated gypsum 30%;
Calcium powder 0.08%;
Quartz sand 63%;
Negative ion powder 0.41%;
Retardant 0.06%;
Acrylate and styrene copolymerized rubber powder 0.25%;
Organosilicon powder hydrophober 0.1%;
Polyoxyethylene glycol powder defoamer 0.3%;
Water-holding agent 0.5%;
Wood fibre 0.3%;
Toner 5%.
Embodiment five, this hydrophobicity negative ion gypsum base dry powder decoration mortar, and its raw material composition and weight percent proportioning are as follows:
Semi-hydrated gypsum 22%;
Calcium powder 0.05%;
Quartz sand 76%;
Negative ion powder 0.11%;
Retardant 0.04%;
Acrylate and styrene copolymerized rubber powder 0.4%;
Organosilicon powder hydrophober 0.2%;
Polyoxyethylene glycol powder defoamer 0.2%;
Water-holding agent 0.1%;
Wood fibre 0.2%;
Toner 0.7%.
In above-described embodiment one to five, calcium powder is one or more the mixture in grey calcium, calcium hydroxide or the calcium oxide.
The dioxide-containing silica of quartz sand is 98%, and Mohs' hardness is 7, and fineness is 20~180 orders.
Negative ion powder is tourmaline powder.
Retardant is tartrate, Citrate trianion, rotten albumen or potassium hydrogen phosphate.
Water-holding agent is hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether or methyl cellulose ether, and viscosity is 20000~40000MPa.S.
The length of wood fibre is 40~500 μ m.
Toner is ferric oxide series pigment, manganese oxide, chromic oxide, carbon black or titanium dioxide.
The preparation method of this hydrophobicity negative ion gypsum base dry powder decoration mortar, preparation process is as follows:
Step 1 is weighed each raw materials by weight proportioning;
Step 2 adds semi-hydrated gypsum, quartz sand, negative ion powder and retardant in reactor, high-speed stirring ten minutes;
Step 3, in reactor, add again calcium powder, acrylate and styrene copolymerized rubber powder, silicone powder hydrophober, polyoxyethylene glycol powder defoamer, water-holding agent, wood fibre and toner, high-speed stirring ten minutes, after the product colour detection was qualified, packing got final product.
The constructional method of this hydrophobicity negative ion gypsum base dry powder decoration mortar, construction procedure is as follows:
Step 1, basic unit's face is processed clean, the brushing alkali-resistant sealing primer;
Step 2 is mixed by weight 1:0.3~0.45 hydrophobicity negative ion gypsum base dry powder decoration mortar at the construction field (site) with water;
Step 3 is carried out blade coating or spraying application according to the moulding needs at priming paint, and gauge control is at 1~3mm;
Step 4, after mortar dries in its surperficial roller coating or spray 1~2 road hydrophobicity finishing varnish.

Claims (8)

1. a construction wall is characterized in that with hydrophobicity negative ion gypsum base decoration mortar: its raw material form and the weight percent proportioning as follows:
Semi-hydrated gypsum 17~30%;
Calcium powder 0.05~0.1%;
Quartz sand 55~80%;
Negative ion powder 0.05~20%;
Retardant 0.03~0.08%;
Acrylate and styrene copolymerized rubber powder 0.2~0.4%;
Organosilicon powder hydrophober 0.1~0.3%;
Polyoxyethylene glycol powder defoamer 0.1~0.3%;
Water-holding agent 0.1~0.5%;
Wood fibre 0.2~0.4%;
Toner 0.2~5%;
Described calcium powder is one or more the mixture in grey calcium, calcium hydroxide or the calcium oxide;
Described negative ion powder is tourmaline powder.
2. described a kind of construction wall is with hydrophobicity negative ion gypsum base decoration mortar according to claim 1, and it is characterized in that: the dioxide-containing silica of described quartz sand is 98%, and Mohs' hardness is 7, and fineness is 20~180 orders.
3. described a kind of construction wall is with hydrophobicity negative ion gypsum base decoration mortar according to claim 1, and it is characterized in that: described retardant is tartrate, Citrate trianion, rotten albumen or potassium hydrogen phosphate.
According to claim 1 described a kind of construction wall with hydrophobicity negative ion gypsum base decoration mortar, it is characterized in that: described water-holding agent is hydroxyethyl ether cellulose, hydroxypropyl methyl cellulose ether or methyl cellulose ether, and viscosity is 20000~40000MPaS.
5. described a kind of construction wall is with hydrophobicity negative ion gypsum base decoration mortar according to claim 1, and it is characterized in that: the length of described wood fibre is 40~500 μ m.
6. described a kind of construction wall is with hydrophobicity negative ion gypsum base decoration mortar according to claim 1, and it is characterized in that: described toner is ferric oxide series pigment, manganese oxide, chromic oxide, carbon black or titanium dioxide.
7. such as the constructional method of the described a kind of construction wall of claim 1~6 any one with hydrophobicity negative ion gypsum base decoration mortar, it is characterized in that constructional method is as follows:
Step 1 is weighed each raw materials by weight proportioning;
Step 2 adds semi-hydrated gypsum, quartz sand, negative ion powder and retardant in reactor, high-speed stirring ten minutes;
Step 3, in reactor, add again calcium powder, acrylate and styrene copolymerized rubber powder, silicone powder hydrophober, polyoxyethylene glycol powder defoamer, water-holding agent, wood fibre and toner, high-speed stirring ten minutes, after the product colour detection was qualified, packing got final product.
8. such as the constructional method of the described a kind of construction wall of claim 1 with hydrophobicity negative ion gypsum base decoration mortar, it is characterized in that construction procedure is as follows:
Step 1, basic unit's face is processed clean, the brushing alkali-resistant sealing primer;
Step 2 is mixed by weight 1:0.3~0.45 hydrophobicity negative ion gypsum base dry powder decoration mortar at the construction field (site) with water;
Step 3 is carried out blade coating or spraying application according to the moulding needs at priming paint, and gauge control is at 1~3mm;
Step 4, after mortar dries in its surperficial roller coating or spray 1~2 road hydrophobicity finishing varnish.
CN 201210266946 2012-07-30 2012-07-30 Development and construction method for hydrophobicity negative ion gypsum-based decoration mortar CN102795824B (en)

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CN102795824B true CN102795824B (en) 2013-09-18

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CN103147558A (en) * 2012-12-02 2013-06-12 上海馨来建筑装饰设计有限公司 Environment-friendly construction method for laying ceramic tile on aerated concrete wall
CN103147543A (en) * 2012-12-02 2013-06-12 上海馨来建筑装饰设计有限公司 Anionic painting method of concrete wall
CN103147542A (en) * 2012-12-02 2013-06-12 上海馨来建筑装饰设计有限公司 Negative ion paint construction method of brick wall
CN103821300B (en) * 2014-01-13 2016-08-31 东营瑞源特种建筑材料有限公司 The interior wall flexible ornament materials of release air negative oxgyen ion and production method thereof
CN105819764A (en) * 2016-03-17 2016-08-03 源森(上海)环保科技有限公司 Constructional health-maintaining protein wall paste capable of releasing negative ions and preparation method thereof
CN105906294B (en) * 2016-04-18 2018-06-22 山东拜尔建材有限公司 A kind of anion gypsum base granted full powder and preparation method
CN105860684A (en) * 2016-04-22 2016-08-17 安徽开林新材料股份有限公司 Healthy and environment-friendly aging resistant coating used for indoor walls
CN105860698A (en) * 2016-04-22 2016-08-17 安徽开林新材料股份有限公司 Preparation process for environment-friendly paint with good waterproof caking property for indoor wall body
CN106242461A (en) * 2016-07-13 2016-12-21 张智鹏 A kind of nanometer stony edema mill wall covering and construction method thereof
CN106348710B (en) * 2016-08-30 2018-10-30 南阳理工学院 A kind of wall colored finishing mortar and preparation method thereof
CN107201124B (en) * 2017-07-19 2020-03-10 安徽三品技术服务有限公司 Water-based acrylic coating for purifying air by utilizing negative ions

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CN1861543A (en) * 2005-05-12 2006-11-15 刘峰岳 Gypsum base plastering mortar and gypsum base gravity flowing levelling mortar
CN101386511A (en) * 2008-10-21 2009-03-18 武汉理工大学 Gypsum base hydraulicity building mortar and preparation method thereof
CN101857412B (en) * 2010-05-19 2013-03-13 陈耕 Multifunctional gypsum painting pre-mixed mortar as well as preparation method
CN102424563B (en) * 2011-09-13 2013-06-05 同济大学 Desulfurized gypsum based antistatic self-leveling mortar and its preparation method

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