CN101823863B - Mortar for decorating external wall - Google Patents
Mortar for decorating external wall Download PDFInfo
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- CN101823863B CN101823863B CN 201010180429 CN201010180429A CN101823863B CN 101823863 B CN101823863 B CN 101823863B CN 201010180429 CN201010180429 CN 201010180429 CN 201010180429 A CN201010180429 A CN 201010180429A CN 101823863 B CN101823863 B CN 101823863B
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- mortar
- weight
- fineness
- sand
- external decorative
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5079—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a natural aeolian sand mortar for decorating an external wall, which is mixed by the following components in parts by weight: 10-20 of ordinary portland cement, 2-3 of slaked lime, 3-5 of lightweight aggregate, 71-84 of heavy aggregate (aeolian sand), 1.0 of complex additive, wherein the lightweight aggregate is an inorganic vitrified hollow micropore material; the heavy aggregate is the aeolian sand; the preferred fineness of the inorganic vitrified hollow micropore material is 80-100 mesh, the weight content of the aeolian sand with 50-70 mesh preferred fineness is more than 90 percent, and the rest aeolian sand has more than 100-mesh fineness. The invention has the advantages that the mortar has prominent stereo texture, endurance and stability, light weight, saved energy and good crack- resistant and anti-drop properties, and exhibits natural and rich European style customs decoration effect; and the mortar also has good smear workability and simple process, and is suitable for mechanization construction. The construction method is as follows: the mortar is diluted by adding water based on 30-50 percent of the mortar by weight, mechanical agitation or hand stirring is carried out to be evenly mixed to reach a proper viscosity for mechanical spray or hand construction.
Description
Technical field
The present invention relates to a kind of building mortar, especially relate to a kind of external decorative mortar and constructional method thereof.
Background technology
Now, the villa in many cities, high-grade office building, commercial and residential building all bring into use decoration mortar to carry out surface decoration, received good decorative effect, believed along with the improving constantly of China's people's lives quality that decoration mortar is inevitable decorates most important material because its excellent cost performance become.But existing decoration mortar adopts quartz sand as aggregate mostly, for dry-mix, on the one hand, aggregate must just can meet service requirements through further processing treatment, mainly comprise screening and oven dry, requirement is removed the quartzy grit ratio level of useless composition, adjustment in the quartz sand and is reduced the water ratio of quartz sand.Must not must be noted that and introduce objectionable impurities in the process of oven dry, fuel that therefore must the choice for use cleaning is dried, and processing cost is higher.On the other hand, because quartz sand is hexagonal columnar, be rich in corner angle, cylinder tool band, surface irregularity requires the expenditure of energy when broken, and can produce a large amount of byproducts, contaminate environment.
Summary of the invention
The invention provides a kind of adopt drift-sand as the ecological, environmental protective of main aggregate, match volume is outstanding, resistance to cleavage is good and applicable to the decorating outer wall of building mortar of mechanical execution.Simultaneously, the present invention also provides the constructional method of this mortar.
For solving the problems of the technologies described above, the invention provides a kind of external decorative mortar, it is characterized in that, mixed by the component of following parts by weight:
Ordinary Portland cement 10-20
White lime 2-3
Light-weight aggregate 3-5
Heavy aggregate 71-84
Composite assistant 1.0;
Described light-weight aggregate is that fineness is lower than the inorganic vitreous hollow microporous material of 100 purposes;
Described heavy aggregate is drift-sand.
Described inorganic vitreous hollow microporous material fineness is the 80-100 order.
In the described drift-sand, fineness be 50-70 purpose drift-sand weight percentage greater than 90%, the fineness of all the other drift-sands is greater than 100 orders.
Described composite assistant is comprised of lignocellulose 5 weight parts, ether of cellulose 5 weight parts, hydrophober 2 weight parts and redispersable latex powder 8 weight parts.
The fineness of described white lime is more than 300 orders; Described ordinary Portland cement fineness is more than 185 orders.
Described external decorative mortar, preferably the component by following parts by weight mixes:
Ordinary Portland cement 15
White lime 3
Light-weight aggregate 5
Drift-sand 76
Composite assistant 1.0.
Simultaneously, the present invention also provides a kind of constructional method of described external decorative mortar: with the 30-50% thin up of described external decorative mortar by its weight, mechanical or manual stirring is until mix, reach the viscosity that is fit to mechanically spraying or manual construction, get final product mechanically spraying or manual construction, forming mean thickness at exterior wall surface is the decoration mortar layer of 1-3mm.
The present invention is according to the thinking of ecological, environmental protective, adopt the vast and boundless drift-sand in desert, northwest (for example Zhongweiof Ningxia, northwest China desert) to make external decorative mortar as aggregate, drift-sand is the sand of being selected by natural wind, its grating distributes and is suitable as very much the decoration mortar aggregate, and have outstanding match volume, decorative effect is good; The present invention also adds special light-weight aggregate---and inorganic vitreous hollow microporous material reduces mortar proportion, good grain composition is provided simultaneously, reduce thermal conductivity, reduce heat bridge effect, so that external decorative mortar of the present invention not only has long-acting stable unique match volume, also effectively prevent outer wall cracking, come off; The present invention also adopts special composite assistant to improve the workability of mortar, has reached extraordinary construction effect, and has been beneficial to mechanized construction.
The present invention adopts drift-sand to prepare decoration mortar, in sand-cement slurry, mix drift-sand and make aggregate, be mixed with cement drift-sand mortar and smear metope in levelling, because the fineness of the used ordinary Portland cement of the present invention is more than 185 orders, the white lime fineness is more than 300 orders; As the inorganic vitreous hollow microporous material of light-weight aggregate, fineness is lower than 100 orders (being preferably the 80-100 order); And drift-sand belongs to texture particle (fineness of preferred drift-sand is that the 50-70 purpose accounts for more than 90%).Such size distribution, grain composition is effective, makes the decoration mortar layer show outstanding uneven texture, returns Piao and returns very.Any special measures such as it can also wash with water, polishing are removed the wash cement laitance coating, present the texture facing of more diversification.And durable stable, environmental protection.Adopt drift-sand as the color of decoration mortar, its ageing-resistant, anti-discoloration all is better than the coating of being made by the organic synthetic dyestuff, even if epidermis is wiped off the still nondiscoloration of its inside.And color and dazzling unlike coating, give a kind of simple and unsophisticated steady sensation that intension is arranged of people, expressive force is abundant, and stereoscopic sensation is strong, has nature, abundant, dense European landscape, brings fabulous decorative effect to elevation of building.
Drift-sand is as mortar aggregate; it is wear-resisting; the impact resistance ability is all superior than common dope layer; because the mean thickness of decoration mortar is 1-3mm; be tens times of common coating; be equivalent to cover the thick protective layer of one deck at exterior wall; cushioned the stress that causes structural distortion to produce because of temperature variation; effectively prevent and reduce the temperature deformation of heat insulation system; avoided rain; snow; freeze; melt; do; the heat insulation system that the natural disasteies such as wet circulation cause destroys; reduce obnoxious flavour and ultraviolet erosion to heat insulation system in the air, also can effectively eliminate the microfissure on heat insulation system surface.
Natural wind sand external decorative mortar of the present invention can effectively reduce cracking, the assurance construction engineering quality of mortar: 1) micropore of inorganic vitreous hollow microporous material can stop the development of microfracture in the rear mortar block of sclerosis, plays the effect that improves matrix tensile strength, shear strength; 2) lignocellulose that contains in the further composite assistant has powerful crosslinked darning function, consists of 3-D solid structure after mixing with components such as cement, light-weight aggregate, heavy aggregates, thereby reduces hollowing, dry and cracked; 3) white lime can increase the content of grit, forms good grating with the particle diameter of other component, makes mortar more closely knit, thereby prevents the loose cracking of infiltration; 4) redispersable latex powder in the composite assistant makes mortar have certain flexibility, further promotes the performance such as tensile strength, elasticity, contraction of decoration mortar.So that the exterior wall after the application can not produce cracking phenomena because weather colds and heat succeed each other, has elastic coat just as put on one to buildings, because it possesses thicker coating, generally all at the 1-3 millimeter, have more the resistance to compression crashworthiness than common coating, do not ftracture, do not fall piece, have special toughness.
But natural wind sand external decorative mortar Effective Raise construction workability of the present invention, the pumping that is conducive to mechanized construction and sprayability, greatly improve operating efficiency and construction quality: 1) add inorganic vitreous hollow microporous material and make the mortar lighting, so that relatively moving easily between the different particle of various particle diameters, namely construction workability, smear improve; 2) further, hydrophober has strong dissemination to gelling material such as cement in water, can greatly improve the flowability of mortar; 3) ether of cellulose is as the stablizer in the mortar, keep good denseness stability and improve adhesive property, reduce the performance of losing moisture, delayed moisture by the absorption of porous material, be conducive to hydrated cementitious and prolong the open hour, strengthen water-retentivity, the pockets of entrapped air tend that its surface can also be suitable, these air filled cavitys of carrying secretly can play the effect of " lubricant ", are conducive to flowability; 4) redispersable latex powder also can make mobile the enhancing.
Adding inorganic vitreous hollow microporous material has increased the space of mortar, greatly reduces the whole proportion of mortar, mortar dry apparent density (kg/m
3) be reduced to 1000-1300, reduced material usage, the vertical-lift weight of unit surface, reach the cost cost of effective reduction unit surface.Proportion reduces thermal conductivity is decreased, and mortar heat conductivity coefficient W/ (25 ℃ of mK) can hang down between the 0.25-0.45, and heat-proof quality also improves greatly.
The present invention adopts the drift-sand resource to produce the ecological, environmental protective building decoration mortar with European landscape, make away from the area in desert by utilizing in a large number this great market of natural resources supply building and ornament materials, simultaneously the arduousness work that promotes the sand control of surrounding area, desert, afforestation, restoring mature econogy environment and reduction carbon dioxide content and carbon capture being of great immediate significance, is to have very much probing boldly and attempting of novelty.
Embodiment
Each component of natural wind sand external decorative mortar of the present invention is all selected currently available products or material, and each composition weight of 5 embodiment sees Table shown in one:
Table one (unit: kilogram)
| Sequence number | Material name | Producer's model | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| 1 | Ordinary Portland cement | General | 10 | 15 | 15 | 15 | 20 |
| 2 | White lime | General | 2 | 2 | 3 | 3 | 3 |
| 3 | Light-weight aggregate | China's Henan mining industry | 3 | 3 | 4 | 5 | 5 |
| 4 | Heavy aggregate | Zhongweiof Ningxia, northwest China | 84 | 79 | 77 | 76 | 71 |
| 5 | G type composite assistant | Guangzhou is synthetic | 1 | 1 | 1 | 1 | 1 |
Wherein, described ordinary Portland cement also can be white cement, the decoration mortar that these two kinds of cement are worked it out all belongs to primary colors, and available clear finish is processed, such as the decoration mortar of other colors of need, can carry out on the decoration mortar surface water-borne coatings cover and process, mainly according to required adjustment color.Described ordinary Portland cement fineness is more than 185 orders.
The fineness of described white lime is more than 300 orders; Fineness that light-weight aggregate is preferred is the inorganic vitreous hollow microporous material of 80-100 purpose (fineness 100 orders following all can be used for the present invention); Heavy aggregate then adopts the drift-sand in Zhongweiof Ningxia, northwest China desert, and drift-sand is the sandy soil that form on the earth's surface through after natural wind carrying, classification, the deposition, its uniform particles, tiny, stable components; The fineness 50-70 order of drift-sand is greater than 90%, and remaining fineness is greater than 100 orders;
Described G type composite assistant is the G type composite assistant that the synthetic trading company in Guangzhou sells, and the composite assistant among each embodiment is by 0.25 kilogram of wood fiber element, 0.25 kilogram of ether of cellulose, 0.1 kilogram of hydrophober, and 0.4 kilogram of redispersable latex powder mixes.These components of G type composite assistant are existing commercially available prod, this area, adopt general producer model to get final product.
Below in conjunction with specific embodiment the present invention is described in further detail.
Embodiment 1
Get each component according to weight shown in the embodiment in the table one 1, production technique is as follows: ordinary Portland cement, white lime, light-weight aggregate, heavy aggregate and G type composite assistant are mixed by above-mentioned proportion, even with mechanical stirring, namely obtain the natural wind sand external decorative mortar of embodiment 1, with paper bag packing or in bulkly all can.
Constructional method: get 100 kilograms of the natural wind sand external decorative mortars that above-described embodiment 1 obtains, adding 30 kilograms in water dilutes, mechanical or manual stirring is until mix, reach the viscosity that is fit to mechanically spraying or manual construction and can carry out automatic arc spraying or handwork, form the decoration mortar layer that mean thickness is roughly 1-3mm at exterior wall surface.
Do Performance Detection by national standard or industry standard, the result is shown in 1 corresponding data of embodiment in the table two.Wherein, do the detection of surface density according to being GB/T 20473-2006, the detection foundation of operable time 30min, initial dry cracking resistance, 30min water regain, ultimate compression strength, tensile bond strength is JC/T1024-2007).
Embodiment 2
Get each component according to weight shown in the embodiment in the table one 2, repeat the natural wind sand external decorative mortar that embodiment 1 described production technique (only each composition weight changes) obtains embodiment 2; Repeat the constructional method among the embodiment 1, add 35 kg of water by 100 kilograms of mortars and dilute, then mechanical or manual stirring carries out automatic arc spraying or handwork until mix, and forms the decoration mortar layer that mean thickness is roughly 1-3mm at exterior wall surface.
Do Performance Detection with embodiment 1 described each standard, the result is shown in 2 corresponding datas of embodiment in the table two.
Embodiment 3
Get each component according to weight shown in the embodiment in the table one 3, repeat the natural wind sand external decorative mortar that embodiment 1 described production technique (only each composition weight changes) obtains embodiment 3; Repeat the constructional method among the embodiment 1, add 40 kg of water by 100 kilograms of mortars and dilute, then mechanical or manual stirring carries out automatic arc spraying or handwork until mix, and forms the decoration mortar layer that mean thickness is roughly 1-3mm at exterior wall surface.
Do Performance Detection with embodiment 1 described each standard, the result is shown in 3 corresponding datas of embodiment in the table two.
Embodiment 4
Get each component according to weight shown in the embodiment in the table one 4, repeat the natural wind sand external decorative mortar that embodiment 1 described production technique (only each composition weight changes) obtains embodiment 4; Repeat the constructional method among the embodiment 1, add 45 kg of water by 100 kilograms of mortars and dilute, then mechanical or manual stirring carries out automatic arc spraying or handwork until mix, and forms the decoration mortar layer that mean thickness is roughly 1-3mm at exterior wall surface.
Do Performance Detection with embodiment 1 described each standard, the result is shown in 4 corresponding datas of embodiment in the table two.
Embodiment 5
Get each component according to weight shown in the embodiment in the table one 5, repeat the natural wind sand external decorative mortar that embodiment 1 described production technique (only each composition weight changes) obtains embodiment 5; Repeat the constructional method among the embodiment 1, add 50 kg of water by 100 kilograms of mortars and dilute, then mechanical or manual stirring carries out automatic arc spraying or handwork until mix, and forms the decoration mortar layer that mean thickness is roughly 1-3mm at exterior wall surface.
Do Performance Detection with embodiment 1 described each standard, the result is shown in 5 corresponding datas of embodiment in the table two.
Table two
| Sequence number | Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| 1 | Do surface density, kg/m 3 | 1281 | 1225 | 1152 | 1148 | 1043 |
| 2 | Operable time 30min | Blade coating is accessible | Blade coating is accessible | Blade coating is accessible | Blade coating is accessible | Blade coating is accessible |
| 3 | Initial dry cracking resistance | Flawless | Flawless | Flawless | Flawless | Flawless |
| 4 | 30min water regain/g | 1.6 | 1.8 | 1.8 | 1.8 | 2.0 |
| 5 | Ultimate compression strength, MPa | 4.5 | 4.3 | 3.9 | 3.8 | 3.4 |
| 6 | Tensile bond strength, MPa | 0.43 | 0.45 | 0.49 | 0.50 | 0.57 |
Claims (6)
1. an external decorative mortar is characterized in that, is mixed by the component of following parts by weight:
Described light-weight aggregate is that fineness is lower than the inorganic vitreous hollow microporous material of 100 purposes;
Described heavy aggregate is drift-sand;
Described composite assistant is comprised of lignocellulose 5 weight parts, ether of cellulose 5 weight parts, hydrophober 2 weight parts and redispersable latex powder 8 weight parts.
2. external decorative mortar according to claim 1 is characterized in that, described inorganic vitreous hollow microporous material fineness is the 80-100 order.
3. external decorative mortar according to claim 1 is characterized in that, in the described drift-sand, fineness be 50-70 purpose drift-sand weight percentage greater than 90%, the fineness of all the other drift-sands is greater than 100 orders.
4. external decorative mortar according to claim 1 is characterized in that, the fineness of described white lime is more than 300 orders; Described ordinary Portland cement fineness is more than 185 orders.
5. external decorative mortar according to claim 3 is characterized in that, is mixed by the component of following parts by weight:
6. the constructional method of external decorative mortar claimed in claim 1 is: with the 30-50% thin up of described external decorative mortar by its weight, mechanical or manual stirring is until mix, reach the viscosity that is fit to mechanically spraying or manual construction, get final product mechanically spraying or manual construction, forming mean thickness at exterior wall surface is the decoration mortar layer of 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010180429 CN101823863B (en) | 2010-05-21 | 2010-05-21 | Mortar for decorating external wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010180429 CN101823863B (en) | 2010-05-21 | 2010-05-21 | Mortar for decorating external wall |
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| CN101823863A CN101823863A (en) | 2010-09-08 |
| CN101823863B true CN101823863B (en) | 2013-03-27 |
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| CN 201010180429 Active CN101823863B (en) | 2010-05-21 | 2010-05-21 | Mortar for decorating external wall |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541151B (en) * | 2015-12-16 | 2017-11-07 | 河南理工大学 | A kind of paraffin modification microfine mineral admixture and preparation method thereof |
| CN106242403B (en) * | 2016-08-04 | 2019-01-08 | 深圳海龙建筑科技有限公司 | Carpenter's stone decorates prefabricated components and its production method |
| CN108164197B (en) * | 2018-02-27 | 2019-01-01 | 内蒙古自治区水利水电勘测设计院 | A kind of high-strength composite cement aeolian accumulation mortar |
| CN114933458A (en) * | 2022-05-25 | 2022-08-23 | 北京金隅砂浆有限公司 | Anti-freezing type external thermal insulation finishing mortar for external wall and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698587A (en) * | 2009-10-29 | 2010-04-28 | 深圳广田装饰集团股份有限公司 | External wall plastering mortar and construction method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698587A (en) * | 2009-10-29 | 2010-04-28 | 深圳广田装饰集团股份有限公司 | External wall plastering mortar and construction method thereof |
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Address after: 518003 1~2, 1003 East Guangdong Road, Luohu District, Shenzhen, China. Patentee after: Shenzhen Guangtian group Limited by Share Ltd Address before: 518003 1~2, 1003 East Guangdong Road, Luohu District, Shenzhen, China. Patentee before: Shenzhen Guangtian Decoration Group Co., Ltd. |
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