CN1310210A - High-elastic waterproof outer wall-levelling glue and its production process - Google Patents
High-elastic waterproof outer wall-levelling glue and its production process Download PDFInfo
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- CN1310210A CN1310210A CN 01107543 CN01107543A CN1310210A CN 1310210 A CN1310210 A CN 1310210A CN 01107543 CN01107543 CN 01107543 CN 01107543 A CN01107543 A CN 01107543A CN 1310210 A CN1310210 A CN 1310210A
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- wall
- elastic waterproof
- waterproof outer
- levelling glue
- levelling
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Abstract
The leveling glue consists of white portland cement or gray cement, heavy, calcium carbonate, light calcium carbonate, wollastonite, quartz sand, cellulose ether, dispersible polymer powder and polymerization inhibitor. It is produced at environment temperature by mixing the mixture of the said materials with water in the ratio of 3-3.2, let stationary for 10-12 min, and re-stirring for 2-3 min. The product has high adhesion, excellent rheological property, excellent hydrophobicity and waterproof property, excellent heat isolation, high elasticity and excellent cracking resistance.
Description
The present invention relates to paint field, the high-elastic waterproof type levelling glue that particularly cooperates exterior coating to use.
Existing buildings with paint finishing peeling occurred, has come off and problem such as variable color after using after a while, and main is exactly because the problem that exists the application system not match.The application of building coating is not only relevant with the performance of coating itself, and relevant with the kind and the performance of body of wall and body of wall levelling glue.Levelling glue is to be under the dope layer, plays calking, floating and strengthen the effects such as cohesive strength of coating and body of wall, therefore requires levelling glue that good plastic performance and rheological property are arranged, and has good two-way affine performance, raising compressive property and wear resisting property.In addition, the antiseep and the heat preservation and insulation of raising body of wall also are very important.What existing skin employing coatings decoration was more is the product of two-pack, prepare at the scene of need, experience shows, if need the product supervision of construction of on-the-spot preparation to have careless omission, easily cause quality accident, and the barrier performance of the floating putty of body of wall that uses is relatively poor, tends to cause mottled, the flavescence of body of wall even goes mouldy.Have plenty of in the building-site preparation, materials are careless, and prescription arbitrarily needs only energy levelling body of wall, does not consider the cohesive strength limit, water tolerance, alkali resistance, freeze-thaw resistance.
At present, skin also adopts materials such as glass face wall, sintering ceramics, glass Mosaic to decorate.Though above-mentioned materials has waterproof and weather resistance preferably, the energy consumption height of above-mentioned material of construction, poor safety performance, initiation photo-thermal pollute, do not meet the energy-conserving and environment-protective requirement.Therefore the application trend of the times of building external paint.
The object of the present invention is to provide a kind of high-elastic waterproof outer wall-levelling glue of single component, have high-adhesion, good rheological, good hydrophobicity and water-repellancy, good heat-insulation and heat-preservation, snappiness, have good resistance to cleavage.
The present invention also aims to provide a kind of production method of high-elastic waterproof outer wall-levelling glue.
High-elastic waterproof outer wall-levelling glue weight of the present invention is composed as follows:
Silicate cement 20～32%
Water-ground limestone (granularity 100～150 μ m) 15～25%
Light calcium carbonate (granularity 80～150 μ m) 10～20%
Wollastonite (granularity 150～200 μ m) 10～19%
Quartz sand (granularity 120～250 μ m) 15～30%
Ether of cellulose (more than the technical grade) 0.1～0.5%
Dispersible polymer powder 1～8%
Stopper all the other
Cement mainly plays enhancement in the above-mentioned prescription, but its consumption is not too much, otherwise can influence the elasticity of workability and levelling glue, and its optimum amount scope can adopt ordinary Portland cement between 25～30%.
Water-ground limestone and light calcium carbonate all are widely used, inexpensive fillers, it can also promote the flow leveling of levelling glue, but note both amount ratios, optimum amount is than being water-ground limestone: light calcium carbonate=1: 1～1.5, and also both resultants preferably account for 28～38% of levelling glue total amount.
Wollastonite has special acicular structure, and it adds the resistance to cleavage that affiliation improves levelling glue, and optimum amount is 13～16%.
Stopper can adopt the general preparation of chemical field, many alkane agent thio-alcohol stopper is particularly suitable for the present invention, can effectively delay the rapid polymerization behind the geopolymer powder dissolution, but its consumption is wanted suitably, very few not reaching delays the polymeric purpose, too much can hinder the polymerization of polymkeric substance, optimum amount is 0.20～0.35% of a dispersible polymer amount of powder.
Ether of cellulose is a kind of effective thickening material and auxiliary rheological agents, can adopt wherein one or more mixtures such as methylcellulose gum, carboxymethyl cellulose, ethyl cellulose, Natvosol, hydroxypropylcellulose, starch ethers, it adds the rheological property that affiliation improves levelling glue, if but consumption is crossed the water resistance that conference reduces levelling glue, its optimum amount is 0.1～0.3%.
Dispersible polymer is that a kind of second-order transition temperature is-10 ℃～5 ℃, form by multiple vinylformic acid (ester) monomer and methacrylic acid (ester) monomer copolymerization, the acrylic resin that contains self-crosslinking functional group, can adopt commercially available product, the Elotex polymer powder of the chemical company limited of for example national starch, its effect is with water-ground limestone, light calcium carbonate, wollastonite, the aggregate that fillers such as quartz sand are formed is glued together effectively, after drying, form and have certain intensity and elastic, levelling glue with little vesicular structure, the consumption of dispersible polymer is directly connected to the performance of levelling glue, its consumption is crossed the low intensity and the elasticity that can influence levelling glue, too high hardness and the increase cost of can influencing again, its optimum range is 5～8%.
The production method of high-elastic waterproof outer wall-levelling glue of the present invention comprises: at ambient temperature above-mentioned prescription powder is poured in the clear water and is stirred to and mix, the ratio of powder and clear water is 3～3.2: 1, left standstill 10～12 minutes, and stirred 2～3 minutes once more, stand-by.
Its using method is as follows: should check the firm and smooth situation of body of wall before the construction earlier, shakyly must root out with the body of wall that hollowing occurs adhering to, and repair smooth.There is the body of wall of dust need clear away dust for collection.With instruments such as scrapers, firmly levelling glue to be scraped and be put on the metope, gauge control is at 0.7～1.6mm.After just doing, polish the scratch of existence with sand paper.Polish as need, carry out in 48 hours after just doing, can save the engineering time.
It is noted that the levelling glue that mixes with water was preferably in 2 hours uses up.Temperature when using is 4-43 ℃.The weather that rains can not be constructed, and rainwash is avoided 12 hours planted agents in the back of having constructed.
The ratio of dispersible polymer is looked the material of body of wall and difference in the prescription: when body of wall was yielding bodies of wall such as plasterboard or clamping plate, the consumption of dispersible polymer was 6～8%, and for the brick wall or the metope of plaster, the consumption of dispersible polymer is 1～3%; For the body of wall of hard surfaces such as mosaic, ceramics or stone material, the consumption of dispersible polymer is 4～6%.
The outward appearance of gained high-elastic waterproof outer wall-levelling glue of the present invention is uniform grey or white powder, and its mean particle size is greater than 80 orders, and relative density is 1.5g/cm
3, shelf stable for periods reaches 6 months, and constructs easily, not sagging.
The resulting high-elastic waterproof outer wall-levelling glue of the present invention is single component, have high-adhesion, good rheological, good hydrophobicity and water-repellancy, good heat-insulation and heat-preservation, snappiness have good resistance to cleavage, this product price is suitable, easy construction.
The dried performance of gained levelling glue of the present invention:
Abrasion resistance: greater than 500 times
Solidify back extraction liquid pH value: 8～9
Just do the time (25 ℃): 2 hours
Anti-permeability performance: greater than 0.15Mpa
Water tolerance: (25 ℃) soaked in 48 hours under the normal temperature, and are non-foaming, do not come off
Bending strength: 4.5N/mm
2
Tension cohesive strength (after 7 days): 0.9N/mm
2
Ultimate compression strength (after 7 days): 36N/mm
2
Principle of the present invention is: during the coating thin layer construction, the ordinary Portland cement mortar does not all reach requirement because of cohesive force, adhesion strength, hydrophobicity and surface property, thereby can not finely use.Because ordinary Portland cement needs suitable hydration curing just can reach inherent performance own, and when the exterior wall thin layer construction, the moisture in the mortar evaporates too quickly or absorbed by base material in a large number, must cause cohesive strength low poor simultaneously with surface property.The inadequate hydration curing of energy even take measures, the cohesive strength of mortar and base material or voidage also difficulty reach requirement.And a good levelling glue exactly can address these problems.The present invention is with the rheology of non-Newtonian fluid, composite of mixture, the orthogonal method of test etc. is the basis, the filler of different qualities is incorporated in the individual system, has an appropriate water-soluble type what screening obtained, good anti acid alkali performance, under the effect of the suitable redispersible and the polymkeric substance of strong cohesive force, obtain performance and can satisfy many-sided levelling glue that requires, as elasticity (snappiness), water tolerance, good permeability, have certain cohesive strength and good two-way affinity, good workability, resistance to acids and bases, storage stability, make pigment coloration easily and color and luster be evenly distributed the assurance decorative effect, good weather.
The invention will be further described below by embodiment.
Embodiment 1
Certain newly-built villa district adopts latex type exterior coating decorative exterior wall, and in order to improve decorative effect, it is floating to have adopted product of the present invention to modify.Prescription is for (gross weight is in 100 kilograms): 32 kilograms of No. 525 cement, 15 kilograms of water-ground limestones (150 order), 10 kilograms of light calcium carbonates (150 order), 19 kilograms of wollastonites (200 order), 22.9 kilograms of quartz sands (200 order), 0.1 kilogram of methyl cellulose ether, 1 kilogram of Elotex polymer powder.Inject earlier clear water during mixing in agitator, its amount is 3.1 times of floating rubber powder, under brute force stirs 15 minutes, left standstill then 10 minutes, and restir can use in 5 minutes.Levelling glue is to adopt scraper to scrape to be put on the usefulness body of wall of cement plaster.Scrape smear levelling glue before, check the planeness and the adhesion condition of cement plaster, problematic body of wall is repaired, after cement plaster is finished the 10th day begins to scrape levelling glue.After levelling glue is just done, smooth with sand papering, begin the roller coating latex coating after dry 20 days.Check wall surface levelling, light, the phenomenon that hollowing do not occur and come off after 14 months to the building site.
Embodiment 2
Whitewash two of this block memorable former residences certain block.Prescription (gross weight is in 100 kilograms) is: 20 kilograms of No. 425 cement, 18 kilograms of water-ground limestones (100 order), 13.5 kilograms of light calcium carbonates (80 order), 10 kilograms of wollastonites (150 order), 30 kilograms of quartz sands (120 order), 0.5 kilogram of starch ethers, 8 kilograms of Elotex polymer powders.Inject earlier clear water during mixing in agitator, its amount is 3 times of floating rubber powder, under brute force stirs 15 minutes, left standstill then 10 minutes, and restir can use in 5 minutes.Owing to modify for many years, the body of wall control of dust is many, and the part metope comes off.Before using levelling glue, old body of wall is cleared up, cleared away dust, root out floating layer and alkali layer, body of wall is repaired.In order to improve the sticking power of repair layer, put into 1% acrylic latex in the cement mortar that requires to repair to body of wall.The 5th day after having repaired begins to scrape levelling glue, just does the back and uses sand papering smooth, begins to brush latex coating after dry 15 days.Check wall surface levelling, light, the phenomenon that hollowing do not occur and come off after 10 months to the building site.
Embodiment 3
Certain market in order to improve the image of outside, market, needs the metope that former employing mosaic is decorated is overhauled transformation.Initial scheme is to root out old mosaic, replastering earlier.Because exterior coating has abundant colors, scheme changes exterior coating into and decorates.Prescription (gross weight is in 100 kilograms) is: 22 kilograms of No. 525 cement, 25 kilograms of water-ground limestones (120 order), 20 kilograms of light calcium carbonates (100 order), 13.7 kilograms of wollastonites (180 order), 15 kilograms of quartz sands (250 order), 0.3 kilogram of hydroxyethyl ether cellulose, 4 kilograms of Elotex polymer powders.Inject earlier clear water during mixing in agitator, its amount is 3.1 times of floating rubber powder, under brute force stirs 15 minutes, left standstill then 10 minutes, and restir can use in 5 minutes.The mosaic that will become flexible earlier before the use is rooted out, and after repairing, uses scraper blade coating levelling glue two to three times, the about 1.5mm of thickness.Carry out sanding and polishing after dry 15 hours, begin to be coated with emulsion paint after dry 16 days.Wall leveling after the application, leakless.To field trip, the crack do not occur after 6 months, do not have hollowing and obscission yet.
Claims (8)
1, a kind of high-elastic waterproof outer wall-levelling glue is characterized in that weight is composed as follows: normal silicate white cement or ash concrete 20～32%, water-ground limestone (granularity 100～150 μ m) 15～25%, light calcium carbonate (granularity 80～150 μ m) 10～20%, wollastonite (granularity 150～200 μ m) 10～19%, quartz sand (granularity 120～250 μ m) 15～30%, ether of cellulose (more than the technical grade) 0.1～0.5%, dispersible polymer powder 1～8%, all the other are stoppers.
2, high-elastic waterproof outer wall-levelling glue according to claim 1 is characterized in that cement consumption is 25～30% weight.
3, high-elastic waterproof outer wall-levelling glue according to claim 1, the amount ratio that it is characterized in that water-ground limestone and light calcium carbonate is a water-ground limestone: light calcium carbonate=1: 1～1.5, both resultants account for 28～38% weight of levelling glue total amount.
4, high-elastic waterproof outer wall-levelling glue according to claim 1 is characterized in that the wollastonite consumption is 13～16% weight.
5, high-elastic waterproof outer wall-levelling glue according to claim 1 is characterized in that stopper is many alkane agent thio-alcohol, and consumption is 0.20～0.35% weight of dispersible polymer amount of powder.
6, high-elastic waterproof outer wall-levelling glue according to claim 1, it is characterized in that the ether of cellulose consumption is 0.1～0.3% weight, can adopt wherein one or more mixtures of methylcellulose gum, carboxymethyl cellulose, ethyl cellulose, Natvosol, hydroxypropylcellulose.
7, high-elastic waterproof outer wall-levelling glue according to claim 1, it is characterized in that the dispersible polymer powder be a kind of second-order transition temperature be-10 ℃～5 ℃, by multiple vinylformic acid (ester) monomer and methacrylic acid (ester) monomer copolymerization acrylic resin that form, that contain self-crosslinking functional group, consumption is 5～8% weight.
8, a kind of production method of high-elastic waterproof outer wall-levelling glue, the powder that it is characterized in that will filling a prescription is at ambient temperature poured in the clear water and is stirred to and mixes, and the ratio of powder and clear water is 3～3.2: 1, leaves standstill 10～12 minutes, stirs once more 2～3 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011075430A CN1148421C (en) | 2001-02-19 | 2001-02-19 | High-elastic waterproof outer wall-levelling glue and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011075430A CN1148421C (en) | 2001-02-19 | 2001-02-19 | High-elastic waterproof outer wall-levelling glue and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1310210A true CN1310210A (en) | 2001-08-29 |
| CN1148421C CN1148421C (en) | 2004-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011075430A Expired - Fee Related CN1148421C (en) | 2001-02-19 | 2001-02-19 | High-elastic waterproof outer wall-levelling glue and its production process |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300264C (en) * | 2003-09-25 | 2007-02-14 | 张国栋 | Water putty powder |
| CN103436071A (en) * | 2013-08-22 | 2013-12-11 | 陈振民 | Air-conditioner pipeline wall-through sealing putty powder for and preparation method thereof |
| CN105315753A (en) * | 2014-07-31 | 2016-02-10 | 宋惠勋 | Formula of mildewproof putty and use method for mildewproof putty |
| CN107149321A (en) * | 2017-04-27 | 2017-09-12 | 广西棕海园林工程有限公司 | Garden seat |
| CN107474597A (en) * | 2017-08-15 | 2017-12-15 | 浙江省建工集团有限责任公司 | The formula and preparation method of a kind of mildew resistant paint |
| CN111268972A (en) * | 2020-03-16 | 2020-06-12 | 王亮 | Environment-friendly color-mixing wall cement mortar and preparation method thereof |
| WO2021056328A1 (en) * | 2019-09-26 | 2021-04-01 | 惠庭暄 | Water-proof and thermal-insulation coating and preparation method therefor |
-
2001
- 2001-02-19 CN CNB011075430A patent/CN1148421C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300264C (en) * | 2003-09-25 | 2007-02-14 | 张国栋 | Water putty powder |
| CN103436071A (en) * | 2013-08-22 | 2013-12-11 | 陈振民 | Air-conditioner pipeline wall-through sealing putty powder for and preparation method thereof |
| CN105315753A (en) * | 2014-07-31 | 2016-02-10 | 宋惠勋 | Formula of mildewproof putty and use method for mildewproof putty |
| CN107149321A (en) * | 2017-04-27 | 2017-09-12 | 广西棕海园林工程有限公司 | Garden seat |
| CN107474597A (en) * | 2017-08-15 | 2017-12-15 | 浙江省建工集团有限责任公司 | The formula and preparation method of a kind of mildew resistant paint |
| WO2021056328A1 (en) * | 2019-09-26 | 2021-04-01 | 惠庭暄 | Water-proof and thermal-insulation coating and preparation method therefor |
| CN111268972A (en) * | 2020-03-16 | 2020-06-12 | 王亮 | Environment-friendly color-mixing wall cement mortar and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1148421C (en) | 2004-05-05 |
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