CN103771795A - Basalt fiber-reinforced anti-cracking facing mortar - Google Patents
Basalt fiber-reinforced anti-cracking facing mortar Download PDFInfo
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- CN103771795A CN103771795A CN201310721872.2A CN201310721872A CN103771795A CN 103771795 A CN103771795 A CN 103771795A CN 201310721872 A CN201310721872 A CN 201310721872A CN 103771795 A CN103771795 A CN 103771795A
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- facing mortar
- cracking resistance
- basalt fibre
- basalt
- mortar
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Abstract
The invention relates to a building material, and particularly relates to a basalt fiber-reinforced anti-cracking facing mortar. The basalt fiber-reinforced anti-cracking facing mortar comprises the following components in parts by weight: 19-24 parts of cement, 51-62 parts of silica sand, and 0.1-0.5 part of basalt chopped fiber, wherein the monofilament diameter of the basalt chopped fiber is 9-18mu m, and the chopping length of the basalt chopped fiber is 3-15mm. In the basalt fiber-reinforced anti-cracking facing mortar, the adopted basalt chopped fiber has good acid-base resisting performance, can be effectively mixed into Portland cement in the facing mortar; the reinforced facing mortar has the advantages of good crack resistance, good weather resistance, good ultraviolet ray resistance, uniform color and the like, is durable, can be well combined with various inorganic basement materials, is good in coating compactness, and can be applied to the building fields of interior and exterior wall decoration and the like.
Description
Technical field
The present invention relates to a kind of material of construction, specifically relate to a kind of basalt fibre and strengthen cracking resistance facing mortar.
Background technology
Facing mortar refers to that aggregate (as quartz sand) that drying screening processes, inorganic coagulation material (as white cement), additive (as polymkeric substance, mineral dye) etc. carry out a kind of particulate state or the powdery that physical mixed forms by a certain percentage, be transported to building site with form packed or in bulk, the material that adds water and can directly use after mixing and stirring.Facing mortar color category is many, is generally used for surface of wall, does decorating inner and external walls.Be applicable to the exterior wall finish of high-grade building and villa and public place of entertainment, the personalized metope external thermal insulation system of dining room lamp finish(ing) coat.
Facing mortar is compared with conventional finishing material, and its advantage is:
1), compared with the facing of the organic materialss such as coating, facing mortar and outer heat preservation system have better matching and consistency.
2), compared with tile decorative surface, facing mortar layer thickness is little, quality is light, during as Highrise buildings finish coat, can not occur falling brick phenomenon because of problems such as negative blast.
In addition, for building material field, mending mortar, masonry mortar are also common material of construction.Mending mortar, is the cement-based mortar through high molecular polymer modification, and Main Function is in reinforcement of concrete defect, and reinforcing and the transformation etc. of old building, bridge are the preferred material of the damaged thickness of concrete topping while being less than 50 millimeters.Masonry mortar, refers to brick, stone, building block etc. is cohered to the mortar that becomes masonry, and it plays a part to transmit load, is the important component part of masonry.According to the difference of construction requirement, be generally divided into sand-cement slurry, cement lime mortar, lime mortar, lime clay mortar etc.Generally, with mixing with use, can not store.
Facing mortar is compared with mending mortar, masonry mortar, and its difference is:
1), facing mortar belongs to dry-mixed mortar, can standing storage, for decorating inner and external walls; And masonry mortar is with mixing with use, can not store, cohere for masonry; Although mending mortar also belongs to dry-mixed mortar, it is mainly used in reinforcement of concrete defect.
2), facing mortar has its unique processing request and Application Areas, show:
1., the interpolation of pigment: facing mortar, except adopting colorful quartz sands toning, also needs to add pigment, and as iron pigment, and dry-mixed mortar there is no the requirement of this respect.
2., the difference of raw material particle size: some raw-material particle diameter of colored mortar is relatively little.
3., the requirement difference of mixture homogeneity: colored mortar be because will avoid aberration problem, wants high to the requirement mixing with respect to dry-mixed mortar.
4., the difference of Application Areas: all belong to material of construction, but colored mortar more lays particular emphasis on the decoration of interior exterior wall.
But, polychromy mortar in the market exist fade, problems of crack, and there is strict construction requirement, particularly under some special execution conditions, as short in the engineering time, construction temperature is too high, causes the facing mortar dehydration on body of wall too fast, easily ftracture, affect consolidation effect and the overall appearance of metope.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of basalt fibre to strengthen cracking resistance facing mortar, this basalt fibre strengthens cracking resistance facing mortar and adopts the basalt chopped fiber with good resistance to acids and bases, make its can the silicate cement of effective integration in facing mortar in.Have the evenly advantage such as lasting of cracking resistance, weather-proof, good ultraviolet resistance, color and luster through the facing mortar strengthening, can be combined well with various inorganic bottom layer materials, its coating compactness is good, can be widely used in the building fields such as inner, external wall decoration.
For achieving the above object, the present invention has adopted following technical scheme: a kind of basalt fibre strengthens cracking resistance facing mortar, its component comprises cement and quartz sand, and the component that this basalt fibre strengthens cracking resistance facing mortar also includes basalt chopped fiber, and wherein the weight proportion of each component is as follows:
19～24 parts of cement
51～62 parts of quartz sands
0.1～0.5 part of basalt chopped fiber.
Basalt fibre, is to adopt pure natural volcanics (alumina magnesia silicate) raw material, respectively with flame furnace, all-electric melting furnace and pneumoelectric in conjunction with stove, with the high-performance fiber of " single stage method " explained hereafter.It is a kind of Green Product of pure natural, has the excellent properties such as acid and alkali-resistance, waterproof, fire prevention, radioprotective, heat transfer coefficient be low.
Due to dry flawless of facing mortar requirement initial stage, the present invention is by the creationary basalt chopped fiber that added, thereby effectively improved its resistance to cleavage.Meanwhile, the filament diameter of preferred described basalt chopped fiber is 9～18 μ m, and the short length of cutting is 3～15mm.When the filament diameter of basalt chopped fiber is less than 9 μ m and the short length of cutting while being less than 3mm, because length is too short, the resistance to cleavage that it plays embodies not obvious; When the filament diameter of basalt chopped fiber is greater than 18 μ m and the short length of cutting while being greater than 15mm, facing mortar cannot be realized dispersed in being uniformly mixed, thereby cause the appearance of facing mortar aberration, affect product quality.
Basalt fibre in the present invention strengthens cracking resistance facing mortar, is also added with 11～19 parts of water-ground limestones, and it is as air hardening cementitious materials, and it plays cohesive action in facing mortar, not only can reduce costs, and can also increase toughness and the intensity of product.Facing mortar color and luster is had relatively high expectations, and this just requires some raw-material particle diameters little.Preferably, described water-ground limestone is that particle diameter is 180～600 orders, and the order number of water-ground limestone is larger, and particle diameter is less, mixes more evenly, can effectively avoid the appearance of aberration.
Basalt fibre in the present invention strengthens cracking resistance facing mortar, is also added with 2～4 parts of latex powder, mainly plays water conservation and strengthens toughness, prevents that the cement in facing mortar from crossing rapid hardening, dry and cracking phenomena.Preferably, described latex powder is two or three multipolymer in vinyl acetate, ethene and vinylformic acid, strengthens the physical and mechanical property of cracking resistance facing mortar better to realize basalt fibre.
Basalt fibre in the present invention strengthens cracking resistance facing mortar, is also added with 0.25～0.5 part of thixotroping lubricant, and its main purpose is to improve the lubricity of mortar, and the mortar after modification is more easily constructed.Preferably, described thixotroping lubricant is natural Li-montmorillonite, 602# thixotroping lubricant, 987# thixotroping lubricant or 1008# thixotroping lubricant, strengthens quality and the physical and mechanical property of cracking resistance facing mortar better to realize basalt fibre.
Basalt fibre in the present invention strengthens cracking resistance facing mortar, is also added with 0.1～0.3 part of ether of cellulose, and its main purpose is to strengthen cohesive strength and water retention property.Preferably, described ether of cellulose is methylcellulose gum or Vltra tears, strengthens the quality of cracking resistance facing mortar better to realize basalt fibre.
Basalt fibre in the present invention strengthens cracking resistance facing mortar, is also added with 1～5 part of mineral dye, and its main purpose is to make facing mortar have abundant color, and then is better applied to inner, external wall decoration.In process of production, can, according to the color needs of facing mortar, add the iron oxide pigment of different color.Preferably, described mineral dye is iron oxide pigment, and iron oxide pigment color category is many, belongs to inorganics, and environment-protecting asepsis can be to environment; And the main raw material(s) of facing mortar is inorganic silicate and silica sand, iron oxide pigment can be blended in mortar effectively, makes facing mortar fast in colour, does not come off.
Basalt fibre in the present invention strengthens cracking resistance facing mortar, compared with prior art, and its beneficial effect performance:
This basalt fibre strengthens the basalt chopped fiber adopting in cracking resistance facing mortar, and it has good resistance to acids and bases, can the silicate cement of effective integration in facing mortar in.Have the evenly advantage such as lasting of cracking resistance, weather-proof, good ultraviolet resistance, color and luster through the facing mortar strengthening, can be combined well with various inorganic bottom layer materials, its coating compactness is good, can be widely used in the building fields such as inner, external wall decoration.
Embodiment
Below by specific embodiment, the present invention will be further described, and all raw materials all come from market or prepare according to prior art.
Embodiment 1:
Basalt fibre strengthens cracking resistance facing mortar, and its proportioning raw materials is:
Normal silicate white cement: 21 parts
Quartz sand: 59.25 parts
Basalt chopped fiber (filament diameter 13 μ m, the short length of cutting is 6mm): 0.25 part
Water-ground limestone (200 order): 15 parts
Vinyl acetate and ethylene copolymer rubber powder: 3 parts
Natural hectorite: 0.4 part
Methyl cellulose ether: 0.1 part
Red iron oxide: 1 part.
Each feed composition is dropped in agitator and stirred according to the above ratio, and pack, obtains basalt fibre and strengthens cracking resistance facing mortar.
Colored mortar prepared by the present embodiment is in when construction, adds 25% water to stir, and adopts spraying or roller coating at wall face.According to People's Republic of China's building material industry standard (JC/T1024-2007), this basalt fibre being strengthened to cracking resistance facing mortar detects, find that this basalt fibre strengthens cracking resistance facing mortar and body of wall has good tensile bond strength (> 0.68Mpa), hydrophobicity performance good (water regain of 240min is all less than 2.0g), compared with common facing mortar, its weather resistance and resistance to cleavage are better.
Embodiment 2:
Basalt fibre strengthens cracking resistance facing mortar, and its proportioning raw materials is:
Normal silicate white cement: 21 parts
Quartz sand: 61.45 parts
Basalt chopped fiber (filament diameter 15 μ m, the short length of cutting is 9mm): 0.1 part
Water-ground limestone (600 order): 11 parts
Vinylformic acid and ethylene copolymer rubber powder: 4 parts
602# thixotroping lubricant: 0.25 part
Vltra tears: 0.2 part
Red iron oxide: 2 parts.
Each feed composition is dropped in agitator and stirred according to the above ratio, and pack, obtains basalt fibre and strengthens cracking resistance facing mortar.
Colored mortar prepared by the present embodiment is in when construction, adds 25% water to stir, and adopts spraying or roller coating at wall face.According to People's Republic of China's building material industry standard (JC/T1024-2007), this basalt fibre being strengthened to cracking resistance facing mortar detects, find that this basalt fibre strengthens cracking resistance facing mortar and body of wall has good tensile bond strength (> 0.68Mpa), hydrophobicity performance good (water regain of 240min is all less than 2.0g), color and luster is bright, compared with common facing mortar, its resistance to cleavage is better.
Embodiment 3:
Basalt fibre strengthens cracking resistance facing mortar, and its proportioning raw materials is:
Normal silicate white cement: 23.35 parts
Quartz sand: 52 parts
Basalt chopped fiber (filament diameter 18 μ m, the short length of cutting is 15mm): 0.5 part
Water-ground limestone (300 order): 18 parts
Vinyl acetate and acrylic acid copolymer rubber powder: 2.5 parts
987# thixotroping lubricant: 0.35 part
Methyl cellulose ether: 0.3 part
Iron oxide yellow: 3 parts.
Each feed composition is dropped in agitator and stirred according to the above ratio, and pack, obtains basalt fibre and strengthens cracking resistance facing mortar.
Colored mortar prepared by the present embodiment is in when construction, adds 25% water to stir, and adopts spraying or roller coating at wall face.According to People's Republic of China's building material industry standard (JC/T1024-2007), this basalt fibre being strengthened to cracking resistance facing mortar detects, find that this basalt fibre strengthens cracking resistance facing mortar and body of wall has good tensile bond strength (> 0.70Mpa), hydrophobicity performance good (water regain of 240min is all less than 2.0g), color and luster is bright, compared with common facing mortar, its weather resistance and resistance to cleavage are better.
Embodiment 4:
Basalt fibre strengthens cracking resistance facing mortar, and its proportioning raw materials is:
Normal silicate white cement: 19.05 parts
Quartz sand: 60 parts
Basalt chopped fiber (filament diameter 9 μ m, the short length of cutting is 3mm): 0.3 part
Water-ground limestone (400 order): 14 parts
Vinyl acetate and ethylene copolymer rubber powder: 2 parts
1008# thixotroping lubricant: 0.5 part
Vltra tears: 0.15 part
Iron oxide yellow: 4 parts.
Each feed composition is dropped in agitator and stirred according to the above ratio, pack, basalt fibre strengthens cracking resistance facing mortar.
Colored mortar prepared by the present embodiment is in when construction, adds 25% water to stir, and adopts spraying or roller coating at wall face.According to People's Republic of China's building material industry standard (JC/T1024-2007), this basalt fibre being strengthened to cracking resistance facing mortar detects, find that this basalt fibre strengthens cracking resistance facing mortar and body of wall has good tensile bond strength (> 0.65Mpa), hydrophobicity performance good (water regain of 240min is all less than 2.0g), color and luster is bright, compared with common facing mortar, its resistance to cleavage is better, constructs more convenient.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (10)
1. basalt fibre strengthens a cracking resistance facing mortar, and its component comprises cement and quartz sand, it is characterized in that: the component that this basalt fibre strengthens cracking resistance facing mortar also includes basalt chopped fiber, and wherein the weight proportion of each component is as follows:
19～24 parts of cement
51～62 parts of quartz sands
0.1～0.5 part of basalt chopped fiber;
The filament diameter of described basalt chopped fiber is 9～18 μ m, and the short length of cutting is 3～15mm.
2. basalt fibre according to claim 1 strengthens cracking resistance facing mortar, it is characterized in that: the component that this basalt fibre strengthens cracking resistance facing mortar also comprises that 11～19 parts of particle diameters are 180～600 object water-ground limestones.
3. basalt fibre according to claim 2 strengthens cracking resistance facing mortar, it is characterized in that: the component that this basalt fibre strengthens cracking resistance facing mortar also comprises 2～4 parts of latex powder.
4. basalt fibre according to claim 3 strengthens cracking resistance facing mortar, it is characterized in that: described latex powder is two or three multipolymer in vinyl acetate, ethene and vinylformic acid.
5. basalt fibre according to claim 3 strengthens cracking resistance facing mortar, it is characterized in that: the component that this basalt fibre strengthens cracking resistance facing mortar also comprises 0.25～0.5 part of thixotroping lubricant.
6. basalt fibre according to claim 5 strengthens cracking resistance facing mortar, it is characterized in that: described thixotroping lubricant is natural Li-montmorillonite, 602# thixotroping lubricant, 987# thixotroping lubricant or 1008# thixotroping lubricant.
7. basalt fibre according to claim 5 strengthens cracking resistance facing mortar, it is characterized in that: the component that this basalt fibre strengthens cracking resistance facing mortar also comprises 0.1～0.3 part of ether of cellulose.
8. basalt fibre according to claim 7 strengthens cracking resistance facing mortar, it is characterized in that: described ether of cellulose is methylcellulose gum or Vltra tears.
9. basalt fibre according to claim 7 strengthens cracking resistance facing mortar, it is characterized in that: the component that this basalt fibre strengthens cracking resistance facing mortar also comprises 1～5 part of mineral dye.
10. basalt fibre according to claim 9 strengthens cracking resistance facing mortar, it is characterized in that: described mineral dye is iron oxide pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310721872.2A CN103771795A (en) | 2013-12-17 | 2013-12-17 | Basalt fiber-reinforced anti-cracking facing mortar |
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| CN201310721872.2A CN103771795A (en) | 2013-12-17 | 2013-12-17 | Basalt fiber-reinforced anti-cracking facing mortar |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446230A (en) * | 2014-12-25 | 2015-03-25 | 美巢集团股份公司 | Tile adhesive |
| CN107840621A (en) * | 2017-11-18 | 2018-03-27 | 安徽省神洲建材科技有限公司 | A kind of preparation method of exterior wall finish coating difficult for drop-off |
| CN109592945A (en) * | 2018-12-27 | 2019-04-09 | 嘉华特种水泥股份有限公司 | A kind of buried water supply steel tube lining mortar |
| CN114573285A (en) * | 2022-02-22 | 2022-06-03 | 兴宁市龙江建材实业有限公司 | Preparation method of polymer cement mortar with high crack resistance |
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| CN101508542A (en) * | 2009-03-30 | 2009-08-19 | 上海英硕聚合物材料有限公司 | Colorful mortar for wall face |
| CN101723638A (en) * | 2009-12-14 | 2010-06-09 | 上海英硕聚合物材料有限公司 | Wall facing mortar |
| CN202265969U (en) * | 2011-06-17 | 2012-06-06 | 南京倍立达实业有限公司 | Three-dimensional fiber inorganic composite product |
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2013
- 2013-12-17 CN CN201310721872.2A patent/CN103771795A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508542A (en) * | 2009-03-30 | 2009-08-19 | 上海英硕聚合物材料有限公司 | Colorful mortar for wall face |
| CN101723638A (en) * | 2009-12-14 | 2010-06-09 | 上海英硕聚合物材料有限公司 | Wall facing mortar |
| CN202265969U (en) * | 2011-06-17 | 2012-06-06 | 南京倍立达实业有限公司 | Three-dimensional fiber inorganic composite product |
Non-Patent Citations (1)
| Title |
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| 中华人民共和国国家质量监督检验检疫总局 等: ""GB/T 23265-2009 水泥混凝土和砂浆用短切玄武岩纤维"", 《中华人民共和国国家标准》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446230A (en) * | 2014-12-25 | 2015-03-25 | 美巢集团股份公司 | Tile adhesive |
| CN104446230B (en) * | 2014-12-25 | 2016-08-24 | 美巢集团股份公司 | A kind of ceramic tile adhesive |
| CN107840621A (en) * | 2017-11-18 | 2018-03-27 | 安徽省神洲建材科技有限公司 | A kind of preparation method of exterior wall finish coating difficult for drop-off |
| CN109592945A (en) * | 2018-12-27 | 2019-04-09 | 嘉华特种水泥股份有限公司 | A kind of buried water supply steel tube lining mortar |
| CN114573285A (en) * | 2022-02-22 | 2022-06-03 | 兴宁市龙江建材实业有限公司 | Preparation method of polymer cement mortar with high crack resistance |
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Application publication date: 20140507 |