CN101403249A - Anti-crack type energy-saving covering layer used for building exterior wall surface - Google Patents

Anti-crack type energy-saving covering layer used for building exterior wall surface Download PDF

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CN101403249A
CN101403249A CNA2008102288323A CN200810228832A CN101403249A CN 101403249 A CN101403249 A CN 101403249A CN A2008102288323 A CNA2008102288323 A CN A2008102288323A CN 200810228832 A CN200810228832 A CN 200810228832A CN 101403249 A CN101403249 A CN 101403249A
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parts
water
wall surface
exterior wall
covering layer
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CNA2008102288323A
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金勇云
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Abstract

The invention discloses an crack-resistant type double energy-saving coating layer used for the surface of building outer wall, which is characterized in that: crack-resistant surface mortar of polymer is coated on the surface of the outer wall and dried, and then reflected heat-insulation and energy-saving coating is coated on the surface of the outer wall so as to obtain the crack-resistant type double energy-saving coating layer used for the surface of building outer wall. The crack-resistant surface mortar of polymer improves the water-resistant and crack-resistant performances of the wall surface, the formed surface layer is morbidezza and compact and has good glossiness, and the reflected heat-insulation and energy-saving coating can reflect 80 percent to 85 percent of heat power of the heat radiated by sun, thus reducing the energy consumption of the air conditioners in summer, leading the temperature of the surface of the outer wall to be lowered by 20 DEG C to 30 DEG C and greatly lowering heat transmission temperature difference and heat transmission amount so as to lower the room temperature.

Description

The anti-crack type energy-saving covering layer that is used for building exterior wall surface
Technical field
The present invention relates to the building external wall energy-saving field, relate to a kind of anti-crack type energy-saving surface coating that is used for building exterior wall surface concretely.
Background technology
China's present stage construction wall is energy-conservation also to be in the primary stage, because the sharp increase of building size, the corresponding techniques problem also is in research and development and discussion stage, to area cold in winter and hot in summer also only consider reduce winter heat from indoor and outdoors transmit single energy-conservation, do not reduce from the bi-directional energy-saving mode of outdoor transmission to indoor heat and take all factors into consideration torridity summer.And it is with low content of technology, low-quality insulation and supplementary material at a low price also is flooded with market in a large number, very general wall body slit has appearred therefrom, the infiltration in rainy season, interior wall is mouldy common quality defect such as become mildewed, even also occurred because of adopting the phenomenon that glue comes off exterior-wall heat insulation integral body that is incubated inferior, because the technical level and the product quality of insulation and auxiliary products, and construction quality and problem such as the heat-preserving wall crack of causing and low life-span, be that present China construction market is difficult to control and very harmful " malignant tumor ", jeopardizing the quality of external wall just day by day, " the rubbish building " that causes and cause quantity to enlarge day by day gradually, the life that is endangering people.Up to the present, the product quality of exterior-wall heat insulation on monolithic architecture market also fails to be paid much attention to by people, low-quality substandard product at a low price is flooded with market, and in occupation of the suitable market share, cause the quality problems that cause because of insulation that occur and will occur will be accompanied by people's work and life for a long time, it also will be very big giving the loss that the occupants caused simultaneously.Also the someone has invented the coating that can brush on the surface of wall outside, can the reflected back solar radiant heat, but because crackle very easily appears in traditional plastering mortar of exterior wall surface, and influenced the result of use of this coating.
Summary of the invention
The objective of the invention is provides a kind of anti-crack type energy-saving covering layer that is used for building exterior wall surface according to the energy-conservation deficiency of above construction wall.
Feature of the present invention is with polymers anti-cracking plastering mortar and reflective insulation energy conservation paint, by wipe one's face, brushing order, wipe one's face and brush on exterior wall surface, thereby constituted the anti-crack type energy-saving covering layer that is used for building exterior wall surface, concrete technical scheme adopts following steps:
First step is that material is prepared:
(1) making of polymers anti-cracking plastering mortar:
As follows with the weight proportion compositing formula: polymers anti-cracking plastering mortar of the present invention comprises the component of following weight portion: 350~650 parts of white cements; 50~95 parts in water gypsum; 45~95 parts in calcium oxide; 1500~350 parts of modified fibre fine particle calcium carbonates; 20~40 parts of redispersable latex powders; 3~5 parts of cellulose ethers; 2~4 parts in calcium chloride; 2~4 parts of calcium formates; 2~4 parts of alums; 3~5 parts of polypropylene fibres; 1~2 part of starch ether; 2~4 parts of defoamers; 1~3 part of water reducing agent; 300 parts in water.
Described modified fibre fine particle calcium carbonate is the fiber fine particle calcium carbonate by the higher fatty acids modification, and its preparation method comprises the steps: under 55~95 ℃ of conditions the higher fatty acids that dissolves to be sprayed in the fiber fine particle calcium carbonate, stirs in the powder mixer 50~120 minutes; Described higher fatty acids is the saturated fatty acid of CI6~C22, and the weight ratio of higher fatty acids and fiber fine particle calcium carbonate is 1: 50~100; The oven dry of fiber fine particle calcium carbonate is levigate.Described cellulose ether is selected from more than one that connect methyl cellulose ether, methyl cellulose ether, cellulose ether or hydroxyethyl ether cellulose.Described redispersable latex powder market is on sale.
The preparation method of polymers anti-cracking plastering mortar of the present invention comprises the steps: under the normal temperature, after successively white cement, semi-hydrated gypsum, calcium hydroxide, modified fibre fine particle calcium carbonate, redispersable latex powder, cellulose ether, calcium chloride, calcium formate, alum and polypropylene fibre being mixed, water and other additives of adding gross weight 60~80%, mix, add remaining water again, continue to mix getting final product.
Polymers anti-cracking finishing mortar composition of the present invention, the fibrous carbonic acid calcium that has adopted special crystal form is as filler, again fine particle calcium carbonate has been carried out modification, because the particularity of fibrous carbonic acid calcium crystal, so it and cement and other components are through the surface course exquisiteness that forms after aquations, closely knit, fineness is good; The modification group of fine particle calcium carbonate has a water resisting property, and mortar has extraordinary water repelling property and cracking resistance, and protective value is good, is particularly useful for the exterior wall heat-preserving system of civilian construction and office block, not only economy but also material benefit.
The preparation method of polymers anti-cracking plastering mortar, comprise the steps: under the normal temperature, after successively white cement, semi-hydrated gypsum, calcium hydroxide, modified fibre fine particle calcium carbonate, redispersable latex powder, cellulose ether, calcium chloride, calcium formate, alum and polypropylene fibre being mixed, water and other additives of adding gross weight 60~80%, mix, add remaining water again, continue to mix getting final product.
(2) making of reflective insulation energy conservation paint:
1. as follows with the weight proportion compositing formula:
Acrylic acid synthetic emulsion 25-40; Thermal boundary micrometer ceramics filler 5-25; The infrared nano material 2-4 of uvioresistant; Color stuffing 35-55; Coating additive is an amount of; Thinner is water 15-35.
Acrylic acid synthetic emulsion in the reflective insulation energy conservation paint of the present invention is acrylate copolymer emulsion or pure acrylic acid polymerized emulsion or silicon acrylate copolymer emulsion; Thermal boundary micrometer ceramics filler in the reflective insulation energy conservation paint of the present invention is the canopy silicate of soda ceramic fine bead of compound plurality of specifications micron-scale; Uvioresistant in the reflective insulation energy conservation paint of the present invention, infrared nano material are one or more of cupric tin metal oxide material, stanniferous antimony metal oxide material; Color stuffing in the reflective insulation energy conservation paint of the present invention comprises: one or more of rutile titanium white powder, powdered whiting, wollastonite; Reflective insulation energy conservation paint of the present invention is the water-soluble acrylic synthetic emulsion, and thinner is a water; The filming of reflective insulation energy conservation paint of the present invention has good elongation per unit length and breaking strength, strong adhesion, good weatherability, life-span length, salt spray resistance, acid and alkali-resistance, moisture-proof heat, self-cleaning property is good, is the material of environmental protection.
Reflective insulation energy conservation paint production method of the present invention is as follows:
Material water, dispersing agent, defoamer, pigment, filler and other auxiliary agents in the prescription are dropped into the high speed dispersion still after by the prescription weighing, add the acrylate copolymer emulsion of above-mentioned preparation simultaneously, filtration promptly gets water-repellent paint after fully stirring.All mix the back at other all materials and add the thermal boundary ceramic packing.Add the thermal boundary ceramic packing and must adopt stirring at low speed equipment, general addition manner is that required thermal boundary ceramic packing is put in the container, begin to stir with low speed, because thermal boundary ceramic packing volume is big, can float over when not stirring above the coating, a few minutes are observed the wetness degree and the situation that stirs at interval therebetween, also can adopt the mode of in batches adding, add uvioresistant, infrared nano material, thickener and water at last and stir, promptly become reflective insulation energy conservation paint of the present invention.
Second step is above-described material using method:
The using method that is used for the anti-crack type energy-saving covering layer material of building exterior wall surface is: the polymers anti-cracking plastering mortar is wiped one's face at external wall; The polymers anti-cracking plastering mortar is after parching on the external wall, with reflective insulation energy conservation paint spraying or be painted on and smear on the mortar and obtained being used for the anti-crack type energy-saving covering layer of building exterior wall surface.
After building exterior wall surface is wiped with the polymers anti-cracking plastering mortar, all spray again or the brushing reflective insulation energy conservation paint, when torridity summer is sunny, because the reflective insulation energy conservation paint on the surface of wall has the effect of 80 ~ 85% heat energy that can the reflected back solar radiant heat, thereby the consumption of the summer air-conditioning energy is reduced, can make the temperature of exterior wall surface reduce about 20 ~ 30 ℃, can reduce heat transfer temperature difference and heat output significantly thus.
When the present invention can reduce summer air conditioning load effectively, because it can reduce the temperature of exterior wall surface during the broiling summer, thereby reduce the thermal stress of exterior wall surface, therefore can also reduce the crack resistance of heat preserving exterior wall surface layer effectively, and can control future and the generation of " the rubbish building " of appearance soon in time, guaranteed the workmanship and the product quality of building exterior wall heat preserving effectively, this will have great economic benefit and social benefit undoubtedly.
The specific embodiment
Embodiment one:
The polymers anti-cracking plastering mortar is wiped one's face on external wall.The polymers anti-cracking plastering mortar is after parching on the external wall, with reflective insulation energy conservation paint spraying or be painted on and smear on the mortar and formed the anti-crack type energy-saving covering layer that is used for building exterior wall surface.
The making of polymers anti-cracking plastering mortar, as follows with the weight proportion compositing formula:
350 parts of white cements; 50 parts in water gypsum; 45 parts in calcium oxide; 150 parts of modified fibre fine particle calcium carbonates; 20 parts of redispersable latex powders; 3 parts of cellulose ethers; 2 parts in calcium chloride; 2 parts of calcium formates; 2 parts of alums; 3 parts of polypropylene fibres; 1 part of starch ether; 2 parts of defoamers; 1 part of water reducing agent; 300 parts in water.
The making of reflective insulation energy conservation paint, as follows with the weight proportion compositing formula:
Acrylic acid synthetic emulsion 25; Thermal boundary micrometer ceramics filler 5; The infrared nano material 2 of uvioresistant; Color stuffing 35; Coating additive is an amount of; Diluent water 15.
The method that is used for the anti-crack type energy-saving covering layer of building exterior wall surface is:
The polymers anti-cracking plastering mortar is wiped one's face on external wall.The polymers anti-cracking plastering mortar is after parching on the external wall, with reflective insulation energy conservation paint spraying or be painted on and smear on the mortar and formed the anti-crack type energy-saving covering layer that is used for building exterior wall surface.
Embodiment two:
It is identical for embodiment two and embodiment one, just changes to some extent on prescription.
The making of polymers anti-cracking plastering mortar, as follows with the weight proportion compositing formula:
650 parts of white cements; 95 parts in water gypsum; 95 parts in calcium oxide; 350 parts of modified fibre fine particle calcium carbonates; 40 parts of redispersable latex powders; 5 parts of cellulose ethers; 4 parts in calcium chloride; 4 parts of calcium formates; 4 parts of alums; 5 parts of polypropylene fibres; 2 parts of starch ethers; 4 parts of defoamers; 3 parts of water reducing agents; 300 parts in water.
The making of reflective insulation energy conservation paint, as follows with the weight proportion compositing formula:
Acrylic acid synthetic emulsion 40; Barrier micrometer ceramics filler 25; The infrared nano material 4 of uvioresistant; Color stuffing 55; Coating additive is an amount of; Diluent water 35.
The technical requirement of reflective insulation energy conservation paint draws following test value behind performing check.
Product standard index test value
Figure A20081022883200091

Claims (5)

1. the anti-crack type energy-saving covering layer that is used for building exterior wall surface, it is characterized in that: the polymers anti-cracking plastering mortar is smeared on the outer surface of wall after the drying, on outer surface of wall, brush, obtain being used for the anti-crack type energy-saving covering layer of building exterior wall surface again with reflective insulation energy conservation paint, the polymers anti-cracking plastering mortar increases the water repelling property and the cracking resistance of metope, reflective insulation energy conservation paint reflected back solar radiant heat and reduce room temperature.
2, the anti-crack type energy-saving covering layer that is used for building exterior wall surface according to claim 1, it is characterized in that: the polymers anti-cracking plastering mortar is as follows with the weight proportion compositing formula: 350~650 parts of white cements; 50~95 parts in water gypsum; 45~95 parts in calcium oxide; 1500~350 parts of modified fibre fine particle calcium carbonates; 20~40 parts of redispersable latex powders; 3~5 parts of cellulose ethers; 2~4 parts in calcium chloride; 2~4 parts of calcium formates; 2~4 parts of alums; 3~5 parts of polypropylene fibres; 1~2 part of starch ether; 2~4 parts of defoamers; 1~3 part of water reducing agent; 300 parts in water; Under the normal temperature, after successively white cement, semi-hydrated gypsum, calcium hydroxide, modified fibre fine particle calcium carbonate, redispersable latex powder, cellulose ether, calcium chloride, calcium formate, alum and polypropylene fibre being mixed, water and other additives of adding gross weight 60~80%, mix, add remaining water again, continue to mix getting final product.
3, the anti-crack type energy-saving covering layer that is used for building exterior wall surface according to claim 1, it is characterized in that: reflective insulation energy conservation paint is as follows with the weight proportion compositing formula: acrylic acid synthetic emulsion 25-40; Thermal boundary micrometer ceramics filler 5-25; The infrared nano material 2-4 of uvioresistant; Color stuffing 35-55; Coating additive is an amount of; Thinner is water 15-35; With the material in the prescription: water, dispersing agent, defoamer, pigment, filler and other auxiliary agents drop into the high speed dispersion still after connecing the prescription weighing, add the acrylate copolymer emulsion of above-mentioned preparation simultaneously, and filtration promptly gets water-repellent paint after fully stirring; After other all materials all mix, add again and obtain reflective insulation energy conservation paint after the thermal boundary ceramic packing stirs with low-speed device.
4, the anti-crack type energy-saving covering layer that is used for building exterior wall surface according to claim 1, it is characterized in that: the polymers anti-cracking plastering mortar increases the water repelling property and the cracking resistance of metope, be to have adopted the fibrous carbonic acid calcium of special crystal form as filler, again fine particle calcium carbonate has been carried out modification, because the particularity of fibrous carbonic acid calcium crystal, so it and cement and other components are through the surface course exquisiteness that forms after aquations, closely knit, fineness is good; The modification group of fine particle calcium carbonate has a water resisting property.
5, the anti-crack type energy-saving covering layer that is used for building exterior wall surface according to claim 1, it is characterized in that: the reflective insulation binodal can coating has the effect of 80 ~ 85% heat energy that can the reflected back solar radiant heat, thereby the consumption of the summer air-conditioning energy is reduced, make the temperature of exterior wall surface reduce by 20 ~ 30 ℃, reduce heat transfer temperature difference and heat output significantly.
CNA2008102288323A 2008-11-17 2008-11-17 Anti-crack type energy-saving covering layer used for building exterior wall surface Pending CN101403249A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790606A (en) * 2015-04-20 2015-07-22 湖南博通新型建材有限公司 Method for decorating building wall through wall paint and waterproof anti-crack mortar
CN104944824A (en) * 2015-07-10 2015-09-30 重庆大学 Cement concrete early strength agent and early strength and water reduction agent
CN105017966A (en) * 2015-08-04 2015-11-04 天津大学 OVPOSS crosslinking fluorinated and silicified block copolymer ultraviolet curing coating, preparation and application
CN110002785A (en) * 2019-04-10 2019-07-12 北京博润佳科技有限公司 It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1061014A (en) * 1991-12-03 1992-05-13 张永明 Hollow centered microbead portland cement
CN1096277A (en) * 1993-06-11 1994-12-14 郭成正 Ultra-light special cement
CN1249321A (en) * 1999-09-22 2000-04-05 赵石林 Radioresistant insulating water paint
CN1552656A (en) * 2003-10-24 2004-12-08 伟 张 Dry powder mortar composition
JP2007283948A (en) * 2006-04-19 2007-11-01 Honda Motor Co Ltd Suspension device for vehicle
CN101177581A (en) * 2007-11-08 2008-05-14 上海达道能源科技有限公司 Reflective insulation energy conservation paint
CN101209916A (en) * 2007-12-24 2008-07-02 上海东升新材料有限公司 White finishing mortar composition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1061014A (en) * 1991-12-03 1992-05-13 张永明 Hollow centered microbead portland cement
CN1096277A (en) * 1993-06-11 1994-12-14 郭成正 Ultra-light special cement
CN1249321A (en) * 1999-09-22 2000-04-05 赵石林 Radioresistant insulating water paint
CN1552656A (en) * 2003-10-24 2004-12-08 伟 张 Dry powder mortar composition
JP2007283948A (en) * 2006-04-19 2007-11-01 Honda Motor Co Ltd Suspension device for vehicle
CN101177581A (en) * 2007-11-08 2008-05-14 上海达道能源科技有限公司 Reflective insulation energy conservation paint
CN101209916A (en) * 2007-12-24 2008-07-02 上海东升新材料有限公司 White finishing mortar composition

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790606A (en) * 2015-04-20 2015-07-22 湖南博通新型建材有限公司 Method for decorating building wall through wall paint and waterproof anti-crack mortar
CN104790606B (en) * 2015-04-20 2018-01-05 湖南博通新型建材有限公司 Method and a kind of waterproof anti-crack mortar using wall paint decorative architecture thing metope
CN104944824A (en) * 2015-07-10 2015-09-30 重庆大学 Cement concrete early strength agent and early strength and water reduction agent
CN105017966A (en) * 2015-08-04 2015-11-04 天津大学 OVPOSS crosslinking fluorinated and silicified block copolymer ultraviolet curing coating, preparation and application
CN110002785A (en) * 2019-04-10 2019-07-12 北京博润佳科技有限公司 It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate

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