CN105254228A - Mortar with high salt water resistance for air-entrapping brick - Google Patents

Mortar with high salt water resistance for air-entrapping brick Download PDF

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Publication number
CN105254228A
CN105254228A CN201510640545.3A CN201510640545A CN105254228A CN 105254228 A CN105254228 A CN 105254228A CN 201510640545 A CN201510640545 A CN 201510640545A CN 105254228 A CN105254228 A CN 105254228A
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China
Prior art keywords
mortar
saline
hour
aerated bricks
powder
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Pending
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CN201510640545.3A
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Chinese (zh)
Inventor
沈圣祥
李凤必
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Anhui Kunlong Building Materials Co Ltd
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Anhui Kunlong Building Materials Co Ltd
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Priority to CN201510640545.3A priority Critical patent/CN105254228A/en
Publication of CN105254228A publication Critical patent/CN105254228A/en
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Abstract

The invention discloses mortar with high salt water resistance for an air-entrapping brick. The mortar with the high salt water resistance for the air-entrapping brick is prepared from, by weight, 56% of silica sand, 10% of pulverized fuel ash, 2% of talcum powder, 2% of calcium carbonate, 2% of kaolin, 1.5% of mica powder, 12% of cement, 7% of pottery sand, 2% of calcium sulphoaluminate, 0.5% of hydroxyethyl methyl cellulose, 1.5% of fiberglass, 2.5% of redispersible latex powder, 0.5% of melamine water reducing agents and 0.5% of hydroxyethyl cellulose. According to the mortar with the high salt water resistance for the air-entrapping brick, the production technology is simple, and the cost is low; graft modification is conducted on the calcium carbonate which is dispersed in the mortar to form a dispersion system, internal stress of the mortar can be absorbed, and shrinkage settlement of the mortar can be reduced; the processed fiberglass and mica powder are added, the salt water resistance of the prepared air-entrapping brick can be effectively improved, the phenomena such as bad hardening and cracking which are caused due to the fact that the mortar is dried excessively fast, and the moisture is not enough can be effectively prevented, and the breaking strength of the air-entrapping brick can be improved.

Description

A kind of aerated bricks mortar with high-saline-resistance
Technical field
The present invention relates to material of construction and make field, particularly relate to a kind of aerated bricks mortar with high-saline-resistance.
Background technology
Gas concrete brick because of there is lightweight, heat-insulating property and sound-absorbing effect good and have the plurality of advantages such as some strength, existing aerated bricks long-standing construction wall seepage, cracking, the problem such as intensity is low, resistance to salt water is poor; Aerated bricks is large with mortar water-intake rate, is difficult to have the over-all properties of good cracking resistance, weather resistance, shock resistance, antidetonation and fire-resistance calamity.
Summary of the invention
The object of this invention is to provide a kind of aerated bricks mortar with high-saline-resistance, be achieved through the following technical solutions:
There is an aerated bricks mortar for high-saline-resistance, be made up of following composition by weight percentage: quartz sand 56%, flyash 10%, talcum powder 2%, calcium carbonate 2%, kaolin 2%, mica powder 1.5%, cement 12%, pottery sand 7%, calcium sulphoaluminate 2%, hydroxyethylmethyl-cellulose 0.5%, glass fibre 1.5%, redispersable latex powder 2.5%, melamine based water reducer 0.5%, Natvosol 0.5%.
Further, after described mica powder adopts salt acid soak 1-2 hour of 1.5% concentration, filter, cleaning to neutral, then puts into the sodium hydroxide solution of 1.5% concentration, boils 1-2 hour, filters, and cleaning is to neutral, dry.
Further, described talcum powder adopts the hydrogen peroxide of 2.5% concentration to soak at 55-60 DEG C after 2 hours, filters, dry.
Further, described cement is through calcination processing: the swelling soil adding its weight 1% in cement, mixes, at 300-350 DEG C, carry out calcining 1-1.5 hour.
Further, described redispersable latex powder is acrylate and styrene copolymerized rubber powder.
Further, described calcium carbonate filters, by washed with de-ionized water after adopting 3.5-4% concentration methacrylic acid solution to soak 1.5 hours, and then gather butylacrylic acid solution soaking with 1.5-2.5%, be heated to 85-90 DEG C, keep after 1-2 hour, be cooled to room temperature, filter, by washed with de-ionized water, dry, pulverize to 50-100 order powder.
Further, described kaolin is through process modification process: after adopting the magnesium chloride solution of 4mol/L concentration to soak 1 hour, add the stearic acid of kaolin 2% weight, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry.
Further, described pottery sand is after the carboxylic acid of 2% concentration soaks 1.5 hours, and the poly-butyl propyleneglycol acid solution of 5.5% concentration through washing, then is put in surface, is heated to 85-90 DEG C, continues 2-3 hour, filters, dry.
Further, be the tetraethoxy of glass fiber weight 10% and polymethyl siloxane and glass fibre Homogeneous phase mixing by mixed weight, be heated to 120-145 DEG C, continue 1 hour, the weight ratio of described tetraethoxy and polymethyl siloxane is 3:1.
The invention has the beneficial effects as follows: compared with existing aerated bricks mortar manufacturing technology,
(1) production technique of the present invention is simple, and cost is low, and the mortar strength made is good, thermal conductivity is low, effect of prestressed is very good, energy-conserving and environment-protective, meets the needs of construction work, meets the demand of environmental protection.
(2) the present invention is by carrying out graft modification to calcium carbonate, is dispersed in mortar, forms dispersion system, Absorbable rod mortar internal stress, reduces the contraction sedimentation of mortar; The present invention is by adding the glass fibre after process and mica powder, can effectively improve the resistance to salt water making aerated bricks, effectively prevent the too fast drying of mortar and moisture from causing the phenomenons such as bad, the cracking of sclerosis not, and the folding strength of aerated bricks can be improved.
(3) the present invention adopts magnesium chloride to carry out modification to kaolin, then adopts stearic acid to grind kaolin as grinding aid, makes modified kaolin can improve the distribution of mortar internal component, improves the salt water resistance performance of mortar; Carry out calcining modification by adding swelling soil in cement, the cementability of cement in mortar is strengthened.
(4) have good water-fast, the problems such as high and low temperature resistance, solves the greatly dry-shrinkage deformed of common general aerated bricks mortar, splitting resistance, frost resistance difference.
Embodiment
There is an aerated bricks mortar for high-saline-resistance, be made up of following composition by weight percentage: quartz sand 56%, flyash 10%, talcum powder 2%, calcium carbonate 2%, kaolin 2%, mica powder 1.5%, cement 12%, pottery sand 7%, calcium sulphoaluminate 2%, hydroxyethylmethyl-cellulose 0.5%, glass fibre 1.5%, redispersable latex powder 2.5%, melamine based water reducer 0.5%, Natvosol 0.5%.
Further, after described mica powder adopts salt acid soak 1-2 hour of 1.5% concentration, filter, cleaning to neutral, then puts into the sodium hydroxide solution of 1.5% concentration, boils 1-2 hour, filters, and cleaning is to neutral, dry.
Further, described talcum powder adopts the hydrogen peroxide of 2.5% concentration to soak at 55-60 DEG C after 2 hours, filters, dry.
Further, described cement is through calcination processing: the swelling soil adding its weight 1% in cement, mixes, at 300-350 DEG C, carry out calcining 1-1.5 hour.
Further, described redispersable latex powder is acrylate and styrene copolymerized rubber powder.
Further, described calcium carbonate filters, by washed with de-ionized water after adopting 3.5-4% concentration methacrylic acid solution to soak 1.5 hours, and then gather butylacrylic acid solution soaking with 1.5-2.5%, be heated to 85-90 DEG C, keep after 1-2 hour, be cooled to room temperature, filter, by washed with de-ionized water, dry, pulverize to 50-100 order powder.
Further, described kaolin is through process modification process: after adopting the magnesium chloride solution of 4mol/L concentration to soak 1 hour, add the stearic acid of kaolin 2% weight, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry.
Further, described pottery sand is after the carboxylic acid of 2% concentration soaks 1.5 hours, and the poly-butyl propyleneglycol acid solution of 5.5% concentration through washing, then is put in surface, is heated to 85-90 DEG C, continues 2-3 hour, filters, dry.
Further, be the tetraethoxy of glass fiber weight 10% and polymethyl siloxane and glass fibre Homogeneous phase mixing by mixed weight, be heated to 120-145 DEG C, continue 1 hour, the weight ratio of described tetraethoxy and polymethyl siloxane is 3:1.
With on strength grade, test comparison is carried out to mortar of the present invention and general aerated bricks mortar:
Table 1
As can be seen from Table 1, mortar of the present invention will improve much than general mortar under same intensity grade in performance.
The mortar that the kaolin of mortar, generally modification that the mortar of the present invention's preparation is prepared with unmodified cement, calcium carbonate configures, untreated glass fibre compare with the mortar performance that mica powder is made and see the following form:
7 days bonding strength MPa 7 days folding strength MPa 7 days ultimate compression strength MPa Water retention %
Mortar of the present invention 0.83 5.26 34.8 97.3
Unmodified cement, calcium carbonate mortar 0.55 4.19 29.8 94.7
General modified kaolin mortar 0.60 4.55 30.1 95.9
The mortar that untreated glass fibre and mica powder are made 0.61 4.56 29.7 95.8
Table 2
Note: the slurry composition of unmodified cement, calcium carbonate preparation is identical with the present invention with each composition by weight percent, difference is to make in the process of mortar, and cement, calcium carbonate are without modification;
The slurry composition of the kaolin configuration of general modification is identical with the present invention with each composition by weight percent, and difference is that the method for Modification of kaolin is different, and general Modification of kaolin adopts acidic activated method;
The slurry composition that untreated glass fibre and mica powder are made is identical with the present invention with each composition by weight percent, and glass fibre and mica powder processed without early stage.
As seen from Table 2, the mortar of the present invention through composition modification with without modification mortar and adopt on the mortar performance of general modified kaolin superior.

Claims (9)

1. one kind has the aerated bricks mortar of high-saline-resistance, it is characterized in that, be made up of following composition by weight percentage: quartz sand 56%, flyash 10%, talcum powder 2%, calcium carbonate 2%, kaolin 2%, mica powder 1.5%, cement 12%, pottery sand 7%, calcium sulphoaluminate 2%, hydroxyethylmethyl-cellulose 0.5%, glass fibre 1.5%, redispersable latex powder 2.5%, melamine based water reducer 0.5%, Natvosol 0.5%.
2. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, it is characterized in that, after described mica powder adopts salt acid soak 1-2 hour of massfraction 1.5%, filter, cleaning to neutral, then puts into the sodium hydroxide solution of massfraction 1.5%, boil 1-2 hour, filter, cleaning is to neutral, dry.
3. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, is characterized in that, described talcum powder adopts the hydrogen peroxide of massfraction 2.5% to soak at 55-60 DEG C after 2 hours, filters, dry.
4. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, it is characterized in that, described cement is through calcination processing: the swelling soil adding its weight 1% in cement, mixes, at 300-350 DEG C, carry out calcining 1-1.5 hour.
5. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, is characterized in that, described redispersable latex powder is acrylate and styrene copolymerized rubber powder.
6. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, is characterized in that, after described calcium carbonate adopts 3.5-4% mass concentration methacrylic acid solution to soak 1.5 hours, filter, by washed with de-ionized water, and then gather butylacrylic acid solution soaking by 1.5-2.5% mass concentration, be heated to 85-90 DEG C, keep after 1-2 hour, be cooled to room temperature, filter, by washed with de-ionized water, dry, pulverize to 50-100 order powder.
7. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, it is characterized in that, described kaolin is through process modification process: after adopting the magnesium chloride solution of 4mol/L concentration to soak 1 hour, add the stearic acid of kaolin 2% weight, carry out heating grinding after 30 minutes, be cooled to room temperature, filter, dry.
8. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, it is characterized in that, described pottery sand is after the carboxylic acid of 2% concentration soaks 1.5 hours, surface is through washing, put into the poly-butyl propyleneglycol acid solution of 5.5% concentration again, be heated to 85-90 DEG C, continue 2-3 hour, filter, dry.
9. a kind of aerated bricks mortar with high-saline-resistance according to claim 1, it is characterized in that, be the tetraethoxy of glass fiber weight 10% and polymethyl siloxane and glass fibre Homogeneous phase mixing by mixed weight, be heated to 120-145 DEG C, continue 1 hour, the weight ratio of described tetraethoxy and polymethyl siloxane is 3:1.
CN201510640545.3A 2015-09-30 2015-09-30 Mortar with high salt water resistance for air-entrapping brick Pending CN105254228A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186861A (en) * 2016-07-06 2016-12-07 湖州长湖水泥有限公司 A kind of modified cement-based composite
CN106220048A (en) * 2016-07-06 2016-12-14 湖州长湖水泥有限公司 A kind of modified cement-based material preparation process of high tenacity
CN106396597A (en) * 2016-08-30 2017-02-15 卓达新材料科技集团威海股份有限公司 Alkali excited fly ash repairing mortar and production method thereof
CN108017333A (en) * 2017-12-28 2018-05-11 安徽金丰新型建材有限公司 A kind of anti-cracking high-strength degree concrete
CN108868064A (en) * 2018-06-28 2018-11-23 南通华罡建材有限公司 Dry-type haydite fiber tolerant noise-insulating warm-keeping anti-crack concrete system
CN117105609A (en) * 2023-10-23 2023-11-24 湖南人健宝固高新科技发展有限公司 Preparation method of ultra-high performance shotcrete for accelerator-free auxiliary construction

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CN101386506A (en) * 2008-10-23 2009-03-18 长春建工集团有限公司 Lightweight insulation mortar
CN101696100A (en) * 2009-09-25 2010-04-21 北京艺高世纪科技股份有限公司 High-performance base mortar
CN101823861A (en) * 2010-02-20 2010-09-08 福建康波力特阳光建材有限公司 PTB (Phenacyl Thiazolium Bromide) waterproof ventilated type aerated concrete block surfactant and use method thereof
CN101913803A (en) * 2010-07-21 2010-12-15 胡康宁 Mortar special for gas concrete building block and application thereof in wall self heat preservation system
CN102190473A (en) * 2010-03-12 2011-09-21 上海晋马建材有限公司 Water-tolerant masonry mortar for desulfured dihydrate gypsum aerated concrete and production method thereof
CN102659380A (en) * 2012-05-30 2012-09-12 南京天云新型建材科技有限公司 Modified building plastering mortar for aerated concrete
CN103553478A (en) * 2013-11-11 2014-02-05 吉林建筑大学 Insulation masonry mortar for aerated concrete self-insulation building blocks in severe cold area and production method of insulation masonry mortar
CN104140230A (en) * 2014-07-21 2014-11-12 俞权锋 Aerated concrete dry-blended plastering mortar and preparing method thereof
CN104326718A (en) * 2014-10-24 2015-02-04 河南兴安新型建筑材料有限公司 Adhesive mortar for lautoclaved lightweight concrete panel

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101386506A (en) * 2008-10-23 2009-03-18 长春建工集团有限公司 Lightweight insulation mortar
CN101696100A (en) * 2009-09-25 2010-04-21 北京艺高世纪科技股份有限公司 High-performance base mortar
CN101823861A (en) * 2010-02-20 2010-09-08 福建康波力特阳光建材有限公司 PTB (Phenacyl Thiazolium Bromide) waterproof ventilated type aerated concrete block surfactant and use method thereof
CN102190473A (en) * 2010-03-12 2011-09-21 上海晋马建材有限公司 Water-tolerant masonry mortar for desulfured dihydrate gypsum aerated concrete and production method thereof
CN101913803A (en) * 2010-07-21 2010-12-15 胡康宁 Mortar special for gas concrete building block and application thereof in wall self heat preservation system
CN102659380A (en) * 2012-05-30 2012-09-12 南京天云新型建材科技有限公司 Modified building plastering mortar for aerated concrete
CN103553478A (en) * 2013-11-11 2014-02-05 吉林建筑大学 Insulation masonry mortar for aerated concrete self-insulation building blocks in severe cold area and production method of insulation masonry mortar
CN104140230A (en) * 2014-07-21 2014-11-12 俞权锋 Aerated concrete dry-blended plastering mortar and preparing method thereof
CN104326718A (en) * 2014-10-24 2015-02-04 河南兴安新型建筑材料有限公司 Adhesive mortar for lautoclaved lightweight concrete panel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186861A (en) * 2016-07-06 2016-12-07 湖州长湖水泥有限公司 A kind of modified cement-based composite
CN106220048A (en) * 2016-07-06 2016-12-14 湖州长湖水泥有限公司 A kind of modified cement-based material preparation process of high tenacity
CN106186861B (en) * 2016-07-06 2019-02-05 台州市国强建材科技有限公司 A kind of modified cement-based composite material
CN106396597A (en) * 2016-08-30 2017-02-15 卓达新材料科技集团威海股份有限公司 Alkali excited fly ash repairing mortar and production method thereof
CN108017333A (en) * 2017-12-28 2018-05-11 安徽金丰新型建材有限公司 A kind of anti-cracking high-strength degree concrete
CN108868064A (en) * 2018-06-28 2018-11-23 南通华罡建材有限公司 Dry-type haydite fiber tolerant noise-insulating warm-keeping anti-crack concrete system
CN117105609A (en) * 2023-10-23 2023-11-24 湖南人健宝固高新科技发展有限公司 Preparation method of ultra-high performance shotcrete for accelerator-free auxiliary construction
CN117105609B (en) * 2023-10-23 2024-01-05 湖南人健宝固高新科技发展有限公司 Preparation method of ultra-high performance shotcrete for accelerator-free auxiliary construction

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Application publication date: 20160120