CN102584141A - Exterior wall facing mortar with inorganic characteristic and excellent crystalline bloom resistant performance - Google Patents
Exterior wall facing mortar with inorganic characteristic and excellent crystalline bloom resistant performance Download PDFInfo
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- CN102584141A CN102584141A CN2012100248807A CN201210024880A CN102584141A CN 102584141 A CN102584141 A CN 102584141A CN 2012100248807 A CN2012100248807 A CN 2012100248807A CN 201210024880 A CN201210024880 A CN 201210024880A CN 102584141 A CN102584141 A CN 102584141A
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- mortar
- facing mortar
- exterior wall
- salt
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Abstract
The invention provides exterior wall facing mortar with an inorganic characteristic and excellent crystalline bloom resistant performance. The facing mortar comprises double components, wherein a component A is an acrylic emulsion, and a component B mainly comprises 5 to 15 percent of high alumina cement, 0 to 2 percent of gypsum, 70 to 75 percent of quartz sand, 0 to 12 percent of ultrafine calcium carbonate and 0.1 to 1 percent of additive. The exterior wall facing mortar provided by the invention has the advantages that through using the acrylic emulsion, a continuous film layer is formed after the mortar is solidified, so that the mortar is guaranteed to have high bonding strength and good anti-aging performance; the migration of salt can also be effectively prevented or reduced, so that crystalline bloom is controlled; and besides, the selection of the ratio of the high alumina cement to portland cement can also achieve a control effect on crystalline bloom. A template coating obtained through the mortar is detected according to a JC/T1024-2007 wall body facing mortar standard, and all performance indexes meet the requirements, so that the exterior wall facing mortar can be widely applied to the decoration of building wall bodies.
Description
Technical field
The present invention relates to a kind of mortar; Relate in particular to a kind of facing mortar that skin is played decoration function; More specifically relating to does not a kind ofly in use have accumulation of salt in the surface soil phenomenon and occurs, and has the exterior wall facing mortar of intensity height, anti-contamination and inorganic characteristic such as ageing-resistant.
Background technology
Facing mortar is made up of inorganic coagulation material (like silicate cement and aluminate cement etc.), mineral admixture, additive and aggregate; Has good performance; Like ventilation property, higher impact resistance, weather resistance and anti-stain characteristic etc.; And material property is similar with the plastering mortar in the external insulation system, and thermomechanical properties such as its Young's modulus, thermal expansivity are close with plastering mortar, therefore has better matching property and consistency with outer heat preservation system.Simultaneously; Facing mortar is as a kind of novel finishing material; The colour-change scope is wide; Moulding is abundant, can extensively substitute coating, ceramic tile and compare as the finish coat that organic materialss such as the material of construction wall surface and ceiling decoration and coating prepare, and facing mortar and outer heat preservation system have better matching property and consistency.
Some problems such as the metope that facing mortar applies is prone to the accumulation of salt in the surface soil, is prone to aberration, automatically cleaning ability make decorative effect receive certain influence.It is the most serious wherein to be prone to accumulation of salt in the surface soil problem, and the reason that the accumulation of salt in the surface soil occurs has four kinds: (1) accounts for 60%-70%, C in the hydration process because of CaO content in the grog in the silicate cement
3S, C
2When the S aquation generates the C-S-H gel, separate out a large amount of Ca (OH)
2, be a kind of soluble material, along with the surface of mortar is moved in the evaporation of moisture, again with airborne CO
2Effect generates CaCO
3And the accumulation of salt in the surface soil; (2) basic oxide that also contain solubility in the cement are like Na
2O, K
2O and water reaction generate NaOH, KOH, again with airborne CO
2Effect generates Na
2CO
3And K
2CO
3, simultaneously also can with the CaSO in the cement
4Reaction forms Na
2SO
4And K
2SO
4Deng water-soluble salt,, and separate out bloom shape material because of evaporation of water along with water is moved to material surface; (3) airborne acidic oxide SO
2And CO
2When being dissolved in behind the rainwater dipping building surface, then can generate CaSO
4And CaCO
3And the accumulation of salt in the surface soil; (4) when external environment is low temperature and high relative humidity, also can cause the generation of the accumulation of salt in the surface soil.
Summary of the invention
The object of the present invention is to provide a kind of exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic.Its characteristics are that intensity is high, anti-contamination, and ageing-resistant this a series of inorganic characteristics that wait, it is cheap in addition, applied range, and is not having it is thus clear that the accumulation of salt in the surface soil occurs in experiment and the use for a long time.To achieve these goals, the present invention provides a kind of exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic, specifically comprises following component and weight proportion:
The A component:
Emulsion 90-95%; Auxiliary agent 5%-10%
The B component:
High-alumina cement 5-15%; Gypsum 0-2%; Silica sand 70-75%; Lime carbonate 0-12%; Additive 0.1-1%; Pigment 0-3%
Water: A: B=1 wherein: 1: 10
Wherein, emulsion is preferably ACRYLIC EMULSION.
Auxiliary agent is preferably skimmer, sterilant and a kind of polar solvent that obtains patent.
It is the 50.5-52% aluminate cement that high-alumina cement is preferably alumina content.
Gypsum is preferably alpha-semi water plaster stone.
Silica sand can be selected rational sand grating according to different decoration effects.
Lime carbonate is preferably calcium carbonate superfine powder.
Additive is preferably the anti-algae agent of ether of cellulose, wood fibre and mildew-resistant etc.
Pigment optimization is a mineral dye, like iron oxide yellow, iron oxide black, iron oxide red and cobalt blue.
Exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic of the present invention is main inorganic coagulation material with high-alumina cement, with respect to silicate cement, does not produce Ca (OH) during aquation
2, reaction formula is following:
6(CaO·Al
2O
3)+6(CaSO
4·1/2H
2O)+73H
2O＝2(3CaO·Al
2O
3·3CaSO
4·32H
2O)+8Al(OH)
3(1)
6(CaO·2Al
2O
3)+6(CaSO
4·1/2H
2O)+91H
2O＝2(3CaO·Al
2O
3·3CaSO
4·32H
2O)+20Al(OH)
3(2)
In addition, aluminate cement is when aquation, and CaO concentration is low in its liquid phase, Al
2O
3Concentration is high, and aluminium mineral material can be accomplished aquation through dissolving, diffusion and crystallization process more fully.Moreover, adopt gypsum among the present invention, utilize aluminate cement, Ca (OH) like this
2The ettringite that reaction generates with gypsum; Degree of supersaturation during its crystallization is less; The ettringite column crystallization that aquation generates just can be scattered in whole water-filling space; The ettringite distribution uniform can play shrinkage-compensating or microdilatancy effect, and another product---aluminium glue has the filling densification and aquation generates.This two aspect can effectively suppress the accumulation of salt in the surface soil.
Facing mortar of the present invention is main inorganic gel material with high-alumina cement, adopts the ACRYLIC EMULSION modification, and the silica sand, nanometer grade calcium carbonate and other auxiliary agent that add different gradation are formulated.Can find out that material system is main with aluminate cement, and not add silicate cement that its Calucium Silicate powder can not generate Ca (OH) mutually yet
2Thereby, effectively suppressed the appearance of the visible accumulation of salt in the surface soil, the adding of simultaneously a small amount of gypsum, ettringite forms more relatively, and this just makes the microtexture of facing mortar also more closely knit, so water regain also reduces.In addition; Also adopt ACRYLIC EMULSION in the material, it can solidify the back at mortar and form fine and close coating, thereby guarantees that mortar has good cohesive strength and ageing-resistant performance; The migration of salinity can also be effectively stoped or reduce, thereby the anti-accumulation of salt in the surface soil performance that it is good can be guaranteed.
Description of drawings
Fig. 1 is the model coating that proportioning 1 facing mortar obtains in the instance 1, and wherein 1-1 is in temperature (23 ± 2) ℃, the model of maintenance under relative humidity (50 ± 5) the % condition.
Fig. 2 is the model coating that proportioning 2 facing mortars obtain in the instance 1, and wherein 1-2 is in temperature (23 ± 2) ℃, the model of maintenance under relative humidity (50 ± 5) the % condition.
Fig. 3 is the model coating that proportioning 3 facing mortars obtain in the instance 1, and wherein 1-3 is in temperature (23 ± 2) ℃, the model of maintenance under relative humidity (50 ± 5) the % condition.
Fig. 4 is the model coating that proportioning 4 facing mortars obtain in the instance 1, and wherein 1-4 is in temperature (23 ± 2) ℃, the model of maintenance under relative humidity (50 ± 5) the % condition.
Embodiment
Embodiment
Specify the present invention below in conjunction with embodiment.
Embodiment 1: a kind of batching of exterior wall colored finish mortar of the anti-accumulation of salt in the surface soil excellent performance with inorganic characteristic form and weight it is as shown in the table:
Annotate: facing mortar condiment proportioning is: water: the A component: B component=1: 1: 10
The each component of above-mentioned facing mortar prescription is mixed; After stirring with stirrer; Can use after ageing for some time; Can be coated to uniformly on the concrete substrate (similar) through spatula, process the model coating shown in Fig. 1 (proportioning 1), Fig. 2 (proportioning 2), Fig. 3 (proportioning 3) and Fig. 4 (proportioning 4) with exterior wall surface; Standard test condition temperature (23 ± 2) ℃ respectively, maintenance under the condition of relative humidity (50 ± 5) % is carried out anti-accumulation of salt in the surface soil property test according to the testing method of standard JC/T 1024-2007 wall facing mortar then.Observe: the model of proportioning 1 (Fig. 1) maintenance under standard conditions, no any visible accumulation of salt in the surface soil occurs; The model of proportioning 2 (Fig. 2) maintenance under standard conditions does not have the visible accumulation of salt in the surface soil yet; The model of proportioning 3 (Fig. 3) maintenance under standard conditions has the slight visible accumulation of salt in the surface soil; The model of proportioning 4 (Fig. 4) maintenance under standard conditions has the visible accumulation of salt in the surface soil to occur and other 3 kinds of visible accumulation of salt in the surface soil of proportionings appearance are the most serious relatively.The reason that this phenomenon occurs is to have added silicate cement in the proportioning 4, and the product of silicate cement hydration is products such as hydrated calcium silicate, hydrated calcium ferrite gel and calcium hydroxide, because hydrated product Ca (OH)
2Existence, in the mortar drying process, ooze out the surface with water, generate insoluble lime carbonate with carbon dioxide in air reaction, thereby form the visible accumulation of salt in the surface soil; And only contain aluminate cement in other three kinds of proportionings (proportioning 1,2 and 3), during aquation, CaO concentration is low in the liquid phase, has so just reduced the probability that the visible accumulation of salt in the surface soil occurs.
Other indexs of proportioning 1 are tested by JC/T1024-2007 wall facing mortar standard, and each item performance is following:
Claims (5)
1. the exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic is two component mortars, and it is characterized in that: said facing mortar comprises following component and weight proportion:
The A component:
Emulsion: 90-95%
Auxiliary agent: 5%-10%
The B component:
Water: A: B=1 wherein: 1: 10;
Emulsion in the A component of being narrated is an ACRYLIC EMULSION;
Auxiliary agent in the A component of being narrated is skimmer, sterilant and a kind of polar solvent that obtains patent;
High-alumina cement in the B component of being narrated is that alumina content is the 50.5-52% aluminate cement;
Additive in the B component of being narrated comprises that ether of cellulose, wood fibre and mildew-resistant prevent the algae agent.
2. the exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic according to claim 1, its characteristics are: the gypsum in the B component of being narrated is an alpha-semi water plaster stone.
3. the exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic according to claim 1 and 2, its characteristics are: the silica sand in the B component of being narrated can be according to the rational sand grating of different decoration effect selection.
4. the exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic according to claim 1 and 2, its characteristics are: the lime carbonate in the B component of being narrated is calcium carbonate superfine powder.
5. the exterior wall facing mortar with anti-accumulation of salt in the surface soil excellent performance of inorganic characteristic according to claim 4, its characteristics are: the pigment in the B component of being narrated is mineral dye, like iron oxide yellow, iron oxide black, iron oxide red and cobalt blue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100248807A CN102584141A (en) | 2012-02-06 | 2012-02-06 | Exterior wall facing mortar with inorganic characteristic and excellent crystalline bloom resistant performance |
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|---|---|---|---|
| CN2012100248807A CN102584141A (en) | 2012-02-06 | 2012-02-06 | Exterior wall facing mortar with inorganic characteristic and excellent crystalline bloom resistant performance |
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|---|---|---|---|
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274635A (en) * | 2012-12-26 | 2013-09-04 | 北京天维宝辰化学产品有限公司 | Facing mortar |
| CN103938820A (en) * | 2014-03-22 | 2014-07-23 | 烟台斯坦普精工建设有限公司 | Microcrystalline foamed ceramic thermal insulation decoration composite plate and manufacturing method thereof |
| CN103936361A (en) * | 2014-03-24 | 2014-07-23 | 长安大学 | Polymer cement-based waterproof anti-corrosion coating material |
| CN104045307A (en) * | 2014-07-09 | 2014-09-17 | 四川省建筑科学研究院 | Surface-decorative mortar and preparation method thereof |
| CN104140231A (en) * | 2014-08-08 | 2014-11-12 | 鳄鱼制漆(上海)有限公司 | Environment-friendly waterproof mortar |
| CN104211365A (en) * | 2014-09-13 | 2014-12-17 | 长沙海弘建材有限公司 | Gypsum-based plastering mortar and preparation method thereof |
| CN104446271A (en) * | 2014-11-11 | 2015-03-25 | 李开成 | Efforescence resistant colored wall finishing mortar |
| CN104591657A (en) * | 2015-02-13 | 2015-05-06 | 中国科学院海洋研究所 | Polymer-modified cement-based dual-component protection mortar for surface layer of flexible concrete |
| CN105086563A (en) * | 2015-09-21 | 2015-11-25 | 深圳海多嘉能源投资发展有限公司 | Environment-friendly water-based high-elasticity and high-strength putty paint |
| CN105967610A (en) * | 2016-05-13 | 2016-09-28 | 吴肖颜 | Rapidly-hardened colorful waterproof mortar |
| CN106396572A (en) * | 2016-08-30 | 2017-02-15 | 福州金博建材有限公司 | Coating product for exterior wall decoration |
| CN106630897A (en) * | 2016-12-09 | 2017-05-10 | 广西北海浩邦新能源科技有限公司 | Mortar for exterior wall facings of buildings |
| CN113264743A (en) * | 2021-05-25 | 2021-08-17 | 河北三棵树涂料有限公司 | Bi-component ultraviolet light curing inorganic facing mortar and preparation method thereof |
| CN113683379A (en) * | 2021-09-16 | 2021-11-23 | 艾思尔信息科技(上海)有限公司 | Preparation method of polymer color facing mortar |
| CN114014617A (en) * | 2021-10-26 | 2022-02-08 | 同济大学 | Polymer modified aluminate cement-based facing mortar and preparation method thereof |
| CN117069471A (en) * | 2023-10-16 | 2023-11-17 | 磐时复合建材(上海)有限公司 | Premixed inorganic facing mortar |
-
2012
- 2012-02-06 CN CN2012100248807A patent/CN102584141A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103274635B (en) * | 2012-12-26 | 2015-08-26 | 北京天维宝辰化学产品有限公司 | A kind of facing mortar |
| CN103274635A (en) * | 2012-12-26 | 2013-09-04 | 北京天维宝辰化学产品有限公司 | Facing mortar |
| CN103938820A (en) * | 2014-03-22 | 2014-07-23 | 烟台斯坦普精工建设有限公司 | Microcrystalline foamed ceramic thermal insulation decoration composite plate and manufacturing method thereof |
| CN103936361A (en) * | 2014-03-24 | 2014-07-23 | 长安大学 | Polymer cement-based waterproof anti-corrosion coating material |
| CN103936361B (en) * | 2014-03-24 | 2015-12-02 | 长安大学 | A kind of polymer cement-based waterproof anticorrosion coating material |
| CN104045307A (en) * | 2014-07-09 | 2014-09-17 | 四川省建筑科学研究院 | Surface-decorative mortar and preparation method thereof |
| CN104045307B (en) * | 2014-07-09 | 2016-06-29 | 四川省建筑科学研究院 | A kind of facing mortar and preparation method thereof |
| CN104140231A (en) * | 2014-08-08 | 2014-11-12 | 鳄鱼制漆(上海)有限公司 | Environment-friendly waterproof mortar |
| CN104211365A (en) * | 2014-09-13 | 2014-12-17 | 长沙海弘建材有限公司 | Gypsum-based plastering mortar and preparation method thereof |
| CN104446271A (en) * | 2014-11-11 | 2015-03-25 | 李开成 | Efforescence resistant colored wall finishing mortar |
| CN104591657A (en) * | 2015-02-13 | 2015-05-06 | 中国科学院海洋研究所 | Polymer-modified cement-based dual-component protection mortar for surface layer of flexible concrete |
| CN105086563A (en) * | 2015-09-21 | 2015-11-25 | 深圳海多嘉能源投资发展有限公司 | Environment-friendly water-based high-elasticity and high-strength putty paint |
| CN105967610A (en) * | 2016-05-13 | 2016-09-28 | 吴肖颜 | Rapidly-hardened colorful waterproof mortar |
| CN106396572A (en) * | 2016-08-30 | 2017-02-15 | 福州金博建材有限公司 | Coating product for exterior wall decoration |
| CN106630897A (en) * | 2016-12-09 | 2017-05-10 | 广西北海浩邦新能源科技有限公司 | Mortar for exterior wall facings of buildings |
| CN113264743A (en) * | 2021-05-25 | 2021-08-17 | 河北三棵树涂料有限公司 | Bi-component ultraviolet light curing inorganic facing mortar and preparation method thereof |
| CN113683379A (en) * | 2021-09-16 | 2021-11-23 | 艾思尔信息科技(上海)有限公司 | Preparation method of polymer color facing mortar |
| CN114014617A (en) * | 2021-10-26 | 2022-02-08 | 同济大学 | Polymer modified aluminate cement-based facing mortar and preparation method thereof |
| CN117069471A (en) * | 2023-10-16 | 2023-11-17 | 磐时复合建材(上海)有限公司 | Premixed inorganic facing mortar |
| CN117069471B (en) * | 2023-10-16 | 2024-02-02 | 磐时复合建材(上海)有限公司 | Premixed inorganic facing mortar |
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Application publication date: 20120718 |
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