CN101913803A - Mortar special for gas concrete building block and application thereof in wall self heat preservation system - Google Patents
Mortar special for gas concrete building block and application thereof in wall self heat preservation system Download PDFInfo
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- CN101913803A CN101913803A CN 201010235771 CN201010235771A CN101913803A CN 101913803 A CN101913803 A CN 101913803A CN 201010235771 CN201010235771 CN 201010235771 CN 201010235771 A CN201010235771 A CN 201010235771A CN 101913803 A CN101913803 A CN 101913803A
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Abstract
The invention relates to a mortar special for gas concrete building block. The mortar is composed of the following components by mass: 10-30% of concrete, 50-70% of middle and fine sand, 5-15% of coal ash, 2.5-8.0% of ash calcium, 0.01-0.5% of redistribute emulsion, 0.01-0.5% of polyvinyl alcohol, 0.01-0.5% of hydroxypropyl methyl cellulose ether and 0.01-0.3% of additive. The product of the invention has the functions of crack resistance, watertightness, high strength and impact resistance and can be applied to wall self heat preservation system.
Description
Technical field
The present invention relates to a kind of building powder body material---the extraordinary dry-mixed mortar of high molecular polymer relates in particular to mortar special for gas concrete building block and the application in wall self-insulation system thereof.
Background technology
Aerated-block is the main products of gas concrete, and other products such as Dinas brickes are also arranged.It is to be raw material, to be whipping agent with the aluminium powder with cement, lime, flyash (or using the sand abrasive dust), through steaming the light porous materials for wall that compacting is made.Can be divided into fly ash aerated or the sand aerated-block according to the material therefor difference, have premium propertiess such as lightweight, insulation, heat insulation, sound insulation, fire prevention, be a kind of energy-saving and environmental protection, material-saving, sharp useless novel wall material.
Aerated-block has a large amount of cellular micropores, not only huge the and uniform and smooth of pore amount.Because the difference of aerated-block density, the porosity of building block are also different.General control porosity is between 65～75%, and maximum can reach 80%.For example that pore texture is good, density is 500kg/m
3The building block test block be placed in the water, can not sink water float 40 years.So aerated-block is the light wall material with remarkable heat-insulating property.But aerated-block is unsatisfactory in China's applicable cases, and tracing it to its cause mainly is only to pay attention to hardware device when introducing projects, and has ignored the supporting of utilisation technology.Owing to do not introduce mortar used in concrete block masonry, build by laying bricks or stones and plaster with ordinary mortar, and lower, the no water retention capacity of the cohesive strength of ordinary mortar, and do not add the anti-crack fiber of high-elastic mould, therefore, cause the body of wall that uses the air-entrained concrete building block construction, the common quality defect that have a large amount of hollowings, ftracture, peels off, thereby become bottleneck and obstacle that the restriction air-entrained concrete building block is used, badly influence the quick popularization and the application of aerated-block.
Summary of the invention
Technical problem to be solved by this invention provides a kind of mortar special for gas concrete building block with cracking resistance, waterproof, high-strength, shock resistance function.
Another technical problem to be solved by this invention provides the production technique of this mortar special for gas concrete building block.
The 3rd technical problem to be solved by this invention provides the application of this mortar special for gas concrete building block in wall self-insulation system.
For addressing the above problem, a kind of mortar special for gas concrete building block of the present invention is characterized in that: it is made up of 10～30% the cement that accounts for gross weight, 50～70% middle fine sand, 5～15% flyash, 2.5～8.0% grey calcium, 0.01～0.5% Redispersable latex, 0.01～0.5% polyvinyl alcohol, 0.01～0.5% hydroxypropyl methyl cellulose ether and 0.01～0.3% admixture.
Described cement is cracking resistance cement or the mixture be made up of Portland cement and mortar/concrete anti-cracking toughener.
Described cracking resistance cement is meant that strength grade is the cracking resistance cement of 32.5R.
The described mixture of being made up of Portland cement and mortar/concrete anti-cracking toughener is meant that at strength grade be in the Portland cement of 32.5R, adds the mixture of 5～10% mortar/concrete anti-cracking toughener gained of described Portland cement weight.
Fine sand is meant 40 orders～60 purpose commodity baked sands in described.
Described flyash is meant through the above flyash of dry method selection by winnowing secondary.
Described grey calcium is meant dry hydrate.
Described admixture is a naphthalene series high-efficiency water-reducing agent.
A kind of production technique of aforesaid mortar special for gas concrete building block is characterized in that: this technology is at first by each raw material of proportioning weighing; Successively cement, flyash, grey calcium, Redispersable latex, polyvinyl alcohol, hydroxypropyl methyl cellulose ether and admixture input are had in the blender of high speed fly cutter then, stir; Secondly middle fine sand input is had in the blender of high speed fly cutter, stir; After fiber reaches the homodisperse degree, carry out the automatic gauge packing and get final product at last.
The application of a kind of aforesaid mortar special for gas concrete building block in wall self-insulation system, it is characterized in that: with air-entrained concrete building block adopt described mortar special for gas concrete building block routinely technology build by laying bricks or stones, plaster, and, can constitute the air-entrained concrete building block wall self-insulation system with glass fiber reticular cloth enhancing, waterproof polymer mortar cover, with ceramic tile bond tiling facing or after scraping outer wall flexible water-proof putty swabbing facing.
The present invention compared with prior art has the following advantages:
1, because cement of the present invention is the cracking resistance cement that has added high strength high modulus polyvinyl alcohol fiber, or added the mortar/concrete anti-cracking toughener in the Portland cement, therefore, the ordinary mortar of producing than prior art has had stronger cracking resistance ability, has solved with the ordinary mortar insurmountable body of wall be full of cracks problem of constructing; Simultaneously, because high strength high modulus polyvinyl alcohol fiber has advantages of higher tensile strength (1200～1500MPa) and Young's modulus (35～40GPa), have alkali resistance and acid resistance preferably, good sunlight resistance, certain wetting ability is arranged, its length-to-diameter ratio reaches 500～700, the cross section of this kind fiber all is abnormity, therefore, the present invention helps and the cohering of base materials such as gypsum and cement, lime, Magnesium matter cement.
2, because the present invention has adopted high molecular weight water soluble polymer (Redispersable latex, polyvinyl alcohol, hydroxypropyl methyl cellulose ether), and therefore, the present invention has very high cohesive strength, this is that ordinary mortar is incomparable.
3, because the present invention has adopted the high molecular weight water soluble polymer with huge water retention, and aerated-block is a porous material, water absorbent surface is high, therefore, aerated-block can't be captured the moisture content in the mortar, has only mortar to carry out just emitting when hydration reaction needs water moisture content, and the water when promptly the hydration reaction of sand-cement slurry finishes in the water-holding agent also discharges and finishes, its mission also finishes thereupon, thereby has thoroughly avoided the hollowing of mortar plastering, the appearance of peeling phenomenon.
4, because will containing the cracking resistance cement or the anti-cracking agent for mortar (cracking resistance king) of high strength high modulus polyvinyl alcohol fiber, the present invention is dispersed among the dry-mixed mortar, make it to become and have the aerated-block dedicated mortar that cracking resistance is strengthened the property, make and become the chemical synergistic effect that organically combines with physics by the single chemical effect of script, therefore, efficiently solve the be full of cracks problem of former building block mortar, improved the tension of sand-cement slurry simultaneously, folding strength, improved the cracking resistance of sand-cement slurry, impervious, shock resistance and freeze-thawing resistant ability, it is water-fast to have improved sand-cement slurry, ageing-resistant ability has improved the weather resistance of sand-cement slurry.
If 5 employing air-entrained concrete building blocks are insulating wall material, supporting use product of the present invention build by laying bricks or stones and plaster, glass fiber reticular cloth enhancing, waterproof polymer mortar cover, with ceramic tile bond tiling facing (or scraping outer wall flexible water-proof putty swabbing facing), just can constitute the air-entrained concrete building block wall self-insulation system, having promptly is that body of wall is again the special efficacy of external thermal insulation system.Compare with other external thermal insulation system, the air-entrained concrete building block wall self-insulation system is then more economical, reliable, practical.Because the building block of adopting is an inorganic materials, thus self-insulation system can with the same life-span of buildings, therefore, promoting the use of of it will have an immense impact on to China's building energy conservation cause.
6, production technique of the present invention is simple, and is convenient,, be easy to suitability for industrialized production.
Embodiment
1 one kinds of mortar special for gas concrete building block of embodiment are made up of 10% the cement that accounts for gross weight, 66.96% middle fine sand, 15% flyash, 8.0% grey calcium, 0.01% Redispersable latex, 0.01% polyvinyl alcohol, 0.01% hydroxypropyl methyl cellulose ether and 0.01% admixture.
Wherein: it is the cracking resistance cement of 32.5R that cement adopts strength grade, this cracking resistance cement is to add the special cement that the high molecular polymer of the high-strength high-modulus fibre of cement weight 0.3～0.5% and cement weight 0.1～5% is produced in the Portland cement production process, and its patent No. is ZL200410026255.1.
The production technique of above-mentioned mortar special for gas concrete building block, this technology are at first by each raw material of proportioning weighing; Successively cement, flyash, grey calcium, Redispersable latex, polyvinyl alcohol, hydroxypropyl methyl cellulose ether and admixture input are had then in the blender (ZL200410026255.1/ application number 200710162938.3) of high speed fly cutter, stirred 3～5 minutes, and made it even; Secondly middle fine sand input is had in the blender of high speed fly cutter, stirred 3～5 minutes, make it even; After fiber reaches the homodisperse degree, carry out the automatic gauge packing and get final product at last.
2 one kinds of mortar special for gas concrete building block of embodiment are made up of 20% the cement that accounts for gross weight, 70% middle fine sand, 5% flyash, 4.82% grey calcium, 0.01% Redispersable latex, 0.01% polyvinyl alcohol, 0.01% hydroxypropyl methyl cellulose ether and 0.15% admixture.
Wherein: cement adopts the mixture of being made up of Portland cement and mortar/concrete anti-cracking toughener.The mixture that this Portland cement and mortar/concrete anti-cracking toughener are formed is meant that at strength grade be in the Portland cement of 32.5R, adds the mixture of 5～7% mortar/concrete anti-cracking toughener gained of Portland cement weight.The application number of mortar/concrete anti-cracking toughener is 200910021751.0.
The production technique of above-mentioned mortar special for gas concrete building block is with embodiment 1.
3 one kinds of mortar special for gas concrete building block of embodiment are made up of 30% the cement that accounts for gross weight, 50% middle fine sand, 14.7% flyash, 3.5% grey calcium, 0.5% Redispersable latex, 0.5% polyvinyl alcohol, 0.5% hydroxypropyl methyl cellulose ether and 0.3% admixture.
Wherein: cement adopts the mixture of being made up of Portland cement and mortar/concrete anti-cracking toughener.The mixture that this Portland cement and mortar/concrete anti-cracking toughener are formed is meant that at strength grade be in the Portland cement of 32.5R, adds the mixture of 7～10% mortar/concrete anti-cracking toughener gained of Portland cement weight.
The production technique of above-mentioned mortar special for gas concrete building block is with embodiment 1.
4 one kinds of mortar special for gas concrete building block of embodiment are made up of 25% the cement that accounts for gross weight, 62.3% middle fine sand, 10% flyash, 2.5% grey calcium, 0.05% Redispersable latex, 0.05% polyvinyl alcohol, 0.05% hydroxypropyl methyl cellulose ether and 0.05% admixture.
Wherein: it is the cracking resistance cement (patent No. is ZL200410026255.1) of 32.5R that cement adopts strength grade.
The production technique of above-mentioned mortar special for gas concrete building block is with embodiment 1.
In the foregoing description 1～4, each raw material is the commercially available prod, and wherein middle fine sand is meant 40 orders～60 purpose commodity baked sands; Flyash is meant through the above flyash of dry method selection by winnowing secondary; Ash calcium is meant dry hydrate; Admixture is a naphthalene series high-efficiency water-reducing agent.
The mortar special for gas concrete building block that air-entrained concrete building block is adopted the foregoing description 1～4 technology is routinely built by laying bricks or stones, is plastered, and, can constitute the air-entrained concrete building block wall self-insulation system with glass fiber reticular cloth enhancing, waterproof polymer mortar cover, with ceramic tile bond tiling facing or after scraping outer wall flexible water-proof putty swabbing facing.
Claims (10)
1. mortar special for gas concrete building block is characterized in that: it is made up of 10～30% the cement that accounts for gross weight, 50～70% middle fine sand, 5～15% flyash, 2.5～8.0% grey calcium, 0.01～0.5% Redispersable latex, 0.01～0.5% polyvinyl alcohol, 0.01～0.5% hydroxypropyl methyl cellulose ether and 0.01～0.3% admixture.
2. mortar special for gas concrete building block as claimed in claim 1 is characterized in that: described cement is cracking resistance cement or the mixture be made up of Portland cement and mortar/concrete anti-cracking toughener.
3. mortar special for gas concrete building block as claimed in claim 2 is characterized in that: described cracking resistance cement is meant that strength grade is the cracking resistance cement of 32.5R.
4. mortar special for gas concrete building block as claimed in claim 2, it is characterized in that: the described mixture of being made up of Portland cement and mortar/concrete anti-cracking toughener is meant that at strength grade be in the Portland cement of 32.5R, adds the mixture of 5～10% mortar/concrete anti-cracking toughener gained of described Portland cement weight.
5. mortar special for gas concrete building block as claimed in claim 1 is characterized in that: fine sand is meant 40 orders～60 purpose commodity baked sands in described.
6. mortar special for gas concrete building block as claimed in claim 1 is characterized in that: described flyash is meant through the above flyash of dry method selection by winnowing secondary.
7. mortar special for gas concrete building block as claimed in claim 1 is characterized in that: described grey calcium is meant dry hydrate.
8. mortar special for gas concrete building block as claimed in claim 1 is characterized in that: described admixture is a naphthalene series high-efficiency water-reducing agent.
9. the production technique of a mortar special for gas concrete building block as claimed in claim 1 is characterized in that: this technology is at first by each raw material of proportioning weighing; Successively cement, flyash, grey calcium, Redispersable latex, polyvinyl alcohol, hydroxypropyl methyl cellulose ether and admixture input are had in the blender of high speed fly cutter then, stir; Secondly middle fine sand input is had in the blender of high speed fly cutter, stir; After fiber reaches the homodisperse degree, carry out the automatic gauge packing and get final product at last.
10. the application of mortar special for gas concrete building block as claimed in claim 1 in wall self-insulation system, it is characterized in that: with air-entrained concrete building block adopt described mortar special for gas concrete building block routinely technology build by laying bricks or stones, plaster, and, can constitute the air-entrained concrete building block wall self-insulation system with glass fiber reticular cloth enhancing, waterproof polymer mortar cover, with ceramic tile bond tiling facing or after scraping outer wall flexible water-proof putty swabbing facing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010235771 CN101913803A (en) | 2010-07-21 | 2010-07-21 | Mortar special for gas concrete building block and application thereof in wall self heat preservation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010235771 CN101913803A (en) | 2010-07-21 | 2010-07-21 | Mortar special for gas concrete building block and application thereof in wall self heat preservation system |
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| CN101913803A true CN101913803A (en) | 2010-12-15 |
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| CN 201010235771 Pending CN101913803A (en) | 2010-07-21 | 2010-07-21 | Mortar special for gas concrete building block and application thereof in wall self heat preservation system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626442A (en) * | 2012-08-23 | 2014-03-12 | 双辽市国锋水泥制品有限公司 | Mortar specially used for fly ash steam-pressing brisk construction, and preparation method thereof |
| CN104629513A (en) * | 2013-11-08 | 2015-05-20 | 南通四建集团有限公司 | Formula of special putty base mixture for aerated block masonry, and preparation method of special putty base mixture |
| CN105110715A (en) * | 2015-09-08 | 2015-12-02 | 山东秦恒科技有限公司 | Special mortar for EPS (expandable polystyrene) decorative components and preparation method thereof |
| CN105218010A (en) * | 2015-09-30 | 2016-01-06 | 安徽坤隆新型建材有限公司 | A kind of dedicated mortar for making aerated bricks |
| CN105218009A (en) * | 2015-09-30 | 2016-01-06 | 安徽坤隆新型建材有限公司 | A kind of composite aerated brick mortar |
| CN105254228A (en) * | 2015-09-30 | 2016-01-20 | 安徽坤隆新型建材有限公司 | Mortar with high salt water resistance for air-entrapping brick |
| CN105271990A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Composite modified mortar for air-entrained bricks |
| CN105271988A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Novel low-shrinkage mortar for air-entrained bricks |
| CN105271987A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Novel mortar for air-entrained bricks |
| CN106673561A (en) * | 2017-02-17 | 2017-05-17 | 吴江市范氏新型建材制品有限公司 | Aerated block binder |
| CN106906967A (en) * | 2017-02-09 | 2017-06-30 | 广西绿地涂装工程有限公司 | A kind of construction technology of composite mortar |
| CN112142423A (en) * | 2020-09-25 | 2020-12-29 | 赵开磊 | Formula and construction process of putty-free plastering mortar for external wall heat insulation |
-
2010
- 2010-07-21 CN CN 201010235771 patent/CN101913803A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| 《新型建筑材料》 20080225 张建新等 加气混凝土干混特细砂抹灰砂浆研究 第20-23页 1-10 , 第2期 * |
| 《新型建筑材料技术与发展--中国硅酸盐学会2003年学术年会新型建筑材料论文集》 20030630 胡康宁 高强高模聚乙烯醇纤维在砂浆/混凝土中的应用 第587-590页 1-10 , * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626442A (en) * | 2012-08-23 | 2014-03-12 | 双辽市国锋水泥制品有限公司 | Mortar specially used for fly ash steam-pressing brisk construction, and preparation method thereof |
| CN104629513A (en) * | 2013-11-08 | 2015-05-20 | 南通四建集团有限公司 | Formula of special putty base mixture for aerated block masonry, and preparation method of special putty base mixture |
| CN104629513B (en) * | 2013-11-08 | 2017-11-21 | 南通四建集团有限公司 | Formula of aerated blocks masonry special putty base compound and preparation method thereof |
| CN105110715A (en) * | 2015-09-08 | 2015-12-02 | 山东秦恒科技有限公司 | Special mortar for EPS (expandable polystyrene) decorative components and preparation method thereof |
| CN105271990A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Composite modified mortar for air-entrained bricks |
| CN105254228A (en) * | 2015-09-30 | 2016-01-20 | 安徽坤隆新型建材有限公司 | Mortar with high salt water resistance for air-entrapping brick |
| CN105218009A (en) * | 2015-09-30 | 2016-01-06 | 安徽坤隆新型建材有限公司 | A kind of composite aerated brick mortar |
| CN105271988A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Novel low-shrinkage mortar for air-entrained bricks |
| CN105271987A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Novel mortar for air-entrained bricks |
| CN105218010A (en) * | 2015-09-30 | 2016-01-06 | 安徽坤隆新型建材有限公司 | A kind of dedicated mortar for making aerated bricks |
| CN106906967A (en) * | 2017-02-09 | 2017-06-30 | 广西绿地涂装工程有限公司 | A kind of construction technology of composite mortar |
| CN106673561A (en) * | 2017-02-17 | 2017-05-17 | 吴江市范氏新型建材制品有限公司 | Aerated block binder |
| CN112142423A (en) * | 2020-09-25 | 2020-12-29 | 赵开磊 | Formula and construction process of putty-free plastering mortar for external wall heat insulation |
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Application publication date: 20101215 |