CN104446235A - Colorful environment-friendly alkali-efforescence-resistant wall facing mortar - Google Patents
Colorful environment-friendly alkali-efforescence-resistant wall facing mortar Download PDFInfo
- Publication number
- CN104446235A CN104446235A CN201410631733.5A CN201410631733A CN104446235A CN 104446235 A CN104446235 A CN 104446235A CN 201410631733 A CN201410631733 A CN 201410631733A CN 104446235 A CN104446235 A CN 104446235A
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- China
- Prior art keywords
- facing mortar
- accumulation
- salt
- surface soil
- wall facing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses colorful environment-friendly alkali-efforescence-resistant wall facing mortar. The colorful environment-friendly alkali-efforescence-resistant wall facing mortar comprises the following raw materials in percentage by weight: 20-25% of cement, 12-16% of pulverized fuel ash, 50-60% of quartz sand, 0.1-3% of an inorganic pigment, 2-4% of redispersible emulsion powder, 0.5-1.5% of an efforescence inhibitor, 0.1-1% of a defoaming agent, 0.1-1% of wood fiber and 0.1-0.6% of cellulose ether. According to the colorful environment-friendly alkali-efforescence-resistant wall facing mortar, pulverized fuel ash is used for replacing common silicate cement according to a certain ratio on the basis of the conventional formula of the cement facing mortar; the cement facing mortar is matched with the efforescence inhibitor and the redispersible emulsion powder additive, so that the efforescence problem of the facing mortar can be effectively solved; the overall decoration effect of the facing mortar can be greatly improved; the later-period wall maintenance cost can be reduced. In addition, the pulverized fuel ash is one of the industrial waste slags with great emission at present in China; the pulverized fuel ash is used as an admixture of the colorful environment-friendly alkali-efforescence-resistant wall facing mortar, so that two purposes of solving the environmental pollution problem and reducing the costs of the materials can be achieved.
Description
Technical field
The invention belongs to building external paint technical field, be specifically related to a kind of in use without the color environmental protection facing mortar that accumulation of salt in the surface soil phenomenon occurs.
Background technology
Colored finish mortar is a kind of novel inorganic powder powder finishing material, extensively replaces coating and ceramic tile to be applied to the inner, external wall decoration of buildings in developed country.It forms by inorganic coagulation material, filler, high-quality mineral aggregate, various additive and natural mineral pigment are refining, not easily sticky ash, possesses self-cleaning ability, having the features such as material is light, flexible, waterproof, impervious, ventilative, resisted shrinkage, maintenance cost are low, good endurance, is a kind of environment-friendly decorative material of complete health.Coat-thickness is generally between 1 ~ 3mm, the grain surface of various style can be processed into, there is three-dimensional real flexible texture texture and rich and varied color, fully present the tendency of the day of nature, fashion, arbitrarily individual character, at building wall furnishing fields, there is more and more wide application prospect.
And facing mortar is generally take silicate cement as gelling material, because ordinary Portland cement alkalescence is strong, hydration reaction can be there is when running into water and generate Soluble Ca (OH)
2material, along with the rising of temperature, the evaporation of moisture, Ca (OH)
2gone out by water-band, separate out in facing mortar surface, form white powder crystal, or Ca (OH)
2with CO in air
2reaction, forms CaCO at facing mortar surface crystallization
3white lump.The facing mortar accumulation of salt in the surface soil is formed like this, and the decoration mortar surface of white powder crystallization after toning has had a strong impact on outer wall decorative effect, and body of wall visual appearance is declined.Therefore, research facing mortar alkali burnout resistance energy, farthest reducing or suppress the probability of the mortar accumulation of salt in the surface soil, is the key guaranteeing facing mortar Integral decoration effect.
Flyash receives to catch the thin ash got off from the flue gas after coal combustion, is the primary solids refuse that coal-burning power plant discharges.The main oxides of power plants flyash consists of: SiO
2, Al
2o
3, FeO, Fe
2o
3, CaO, TiO
2deng.Flyash is one of industrial residue that the current discharge capacity of China is larger, and along with the development of power industry, the flyash quantity discharged of coal-burning power plant increases year by year.A large amount of flyash does not add process, will produce airborne dust, atmosphere pollution, river can be caused to silt up, cause Heavy environmental pollution if enter water system.
Summary of the invention
The present invention is that the solution easy accumulation of salt in the surface soil of above-mentioned traditional facing mortar and flyash cause the problem of larger pollution to environment, there is provided a kind of color environmental protection anti-accumulation of salt in the surface soil wall facing mortar, it raw material composition and weight percent proportioning as follows: cement 20 ~ 25%, flyash 12 ~ 16%, quartz sand 50 ~ 60%, mineral dye 0.1 ~ 3%, redispersable latex powder 2 ~ 4%, accumulation of salt in the surface soil inhibitor 0.5 ~ 1.5%, defoamer 0.1 ~ 1%, wood fibre 0.1 ~ 1%, ether of cellulose 0.1 ~ 0.6%.
Described cement is No. 42.5 ordinary Portland cements.
Described mineral dye particle diameter is between 100 ~ 500 orders.
Described redispersable latex powder is Styrene And Chloroalkyl Acrylates emulsion copolymer powder or ethene-vinyl acetate emulsion copolymer powder.
Described accumulation of salt in the surface soil inhibitor is the ERA100 accumulation of salt in the surface soil inhibitor that Akzo Nobel's Specialty Chemical (Shanghai) Co., Ltd. produces.
Described defoamer is polydimethylsiloxane.
Described ether of cellulose is one or more in methyl cellulose ether, TYLOSE 30000, carboxylic propyl methocel ether or carboxyethyl cellulose ether.
The present invention has following beneficial effect:
(1) SiO of solubility in raw material powder coal ash of the present invention
2, Al
2o
3isoreactivity composition when there being water to exist, can with Ca (OH)
2water generation reaction Calucium Silicate powder (C-S-H) and drated calcium aluminate (C-A-H), consume Ca
2+, reduce Ca
2+separate out surface probability.In addition, fly ash form effect improves workability, the homogeneity of mortar, enhances mobility, water-retentivity simultaneously, and mixing-water requirement is reduced, and reduces the rear mortar porosity of sclerosis.
(2) the present invention adds high reactivity resin base accumulation of salt in the surface soil inhibitor ERA100 in facing mortar, ERA100 can form the small-particle being of a size of several microns after redispersion, these small-particles can be filled, refinement or blocking pore, reduce the migration of water, reduce the passage that soluble calcium permeates from inside to outside, increase mortar degree of compactness, then reduce product accumulation of salt in the surface soil probability;
(3) add redispersable latex powder, the adhesive property of mortar can be improved, improve water resistance and the elasticity of reinforced mortar.Add defoamer, facing mortar can be reduced at the bubble stirred and produce in construction process, thus suppress the generation of pore, also enhance the degree of compactness of mortar.Add ether of cellulose, the water-retentivity of facing mortar can be strengthened, prevent the too fast drying of facing mortar and sclerosis cracking, and reduce mix water requirement, reduce mortar porosity after hardening;
(4) facing mortar of the present invention, acts synergistically between each composition, forms stereoscopic protective system, fundamentally solves the problem of the facing mortar accumulation of salt in the surface soil.Product of the present invention is without the accumulation of salt in the surface soil, and good weatherability, fast colours is lasting, and cracking resistance is nonpoisonous and tasteless pollution-free, safety and environmental protection.
Embodiment
Below by embodiment, the present invention will be further described in detail.
The present invention exemplifies 4 specific embodiments, and in all embodiments, the weight percent of each component is as shown in table 1 below:
Weight percentages of components in each embodiment of table 1
Take each raw material according to the above ratio, mixing and stirring, then add the water that quality is above-mentioned raw materials gross weight 18%, abundant mix and blend, obtain product of the present invention.
The facing mortar product prepared by above-described embodiment 1-4 is tested according to JC/T1024-2007 wall facing mortar standard, and test result is as following table 2:
Table 2 product performance test result
As shown in Table 2, the facing mortar product test result that prepared by embodiment of the present invention 1-4 all meets the service requirements that building trade standard specifies.
Claims (8)
1. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection, it is characterized in that, it raw material composition and weight percent proportioning as follows: cement 20 ~ 25%, flyash 12 ~ 16%, quartz sand 50 ~ 60%, mineral dye 0.1 ~ 3%, redispersable latex powder 2 ~ 4%, accumulation of salt in the surface soil inhibitor 0.5 ~ 1.5%, defoamer 0.1 ~ 1%, wood fibre 0.1 ~ 1%, ether of cellulose 0.1 ~ 0.6%.
2. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, it is characterized in that, it raw material composition and weight percent proportioning as follows: cement 23%, flyash 15%, quartz sand 55%, mineral dye 1.5%, redispersable latex powder 3%, accumulation of salt in the surface soil inhibitor 1%, defoamer 0.5%, wood fibre 0.7%, ether of cellulose 0.3%.
3. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, it is characterized in that, described cement is No. 42.5 ordinary Portland cements.
4. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, it is characterized in that, described mineral dye particle diameter is between 100 ~ 500 orders.
5. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, it is characterized in that, described redispersable latex powder is Styrene And Chloroalkyl Acrylates emulsion copolymer powder or ethene-vinyl acetate emulsion copolymer powder.
6. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, is characterized in that, described accumulation of salt in the surface soil inhibitor is the ERA100 accumulation of salt in the surface soil inhibitor that Akzo Nobel's Specialty Chemical (Shanghai) Co., Ltd. produces.
7. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, it is characterized in that, described defoamer is polydimethylsiloxane.
8. the anti-accumulation of salt in the surface soil wall facing mortar of color environmental protection as claimed in claim 1, it is characterized in that, described ether of cellulose is one or more in methyl cellulose ether, TYLOSE 30000, carboxylic propyl methocel ether or carboxyethyl cellulose ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631733.5A CN104446235A (en) | 2014-11-11 | 2014-11-11 | Colorful environment-friendly alkali-efforescence-resistant wall facing mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631733.5A CN104446235A (en) | 2014-11-11 | 2014-11-11 | Colorful environment-friendly alkali-efforescence-resistant wall facing mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104446235A true CN104446235A (en) | 2015-03-25 |
Family
ID=52893085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410631733.5A Pending CN104446235A (en) | 2014-11-11 | 2014-11-11 | Colorful environment-friendly alkali-efforescence-resistant wall facing mortar |
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| CN (1) | CN104446235A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082827A (en) * | 2016-06-23 | 2016-11-09 | 蒙阴县岱崮镇人民政府 | A kind of external decorative mortar of imitative Tu Peiqiang |
| CN107129229A (en) * | 2017-05-09 | 2017-09-05 | 安徽梦谷纤维材料科技有限公司 | A kind of anti-accumulation of salt in the surface soil facing mortar |
| CN107129239A (en) * | 2017-04-04 | 2017-09-05 | 亚士漆(上海)有限公司 | Colored finish mortar and preparation method thereof |
| CN107382228A (en) * | 2017-08-29 | 2017-11-24 | 南通成山高分子材料有限公司 | A kind of preparation method of colored finish mortar |
| CN109160779A (en) * | 2018-08-24 | 2019-01-08 | 四川聚力建材科技有限公司 | A kind of colored mortar and preparation method thereof |
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2014
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082827A (en) * | 2016-06-23 | 2016-11-09 | 蒙阴县岱崮镇人民政府 | A kind of external decorative mortar of imitative Tu Peiqiang |
| CN107129239A (en) * | 2017-04-04 | 2017-09-05 | 亚士漆(上海)有限公司 | Colored finish mortar and preparation method thereof |
| CN107129229A (en) * | 2017-05-09 | 2017-09-05 | 安徽梦谷纤维材料科技有限公司 | A kind of anti-accumulation of salt in the surface soil facing mortar |
| CN107382228A (en) * | 2017-08-29 | 2017-11-24 | 南通成山高分子材料有限公司 | A kind of preparation method of colored finish mortar |
| CN109160779A (en) * | 2018-08-24 | 2019-01-08 | 四川聚力建材科技有限公司 | A kind of colored mortar and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |