CN109851289A - Levelling anticracking grout powder of interior wall thin-coat plaster and preparation method thereof - Google Patents
Levelling anticracking grout powder of interior wall thin-coat plaster and preparation method thereof Download PDFInfo
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- CN109851289A CN109851289A CN201910109738.4A CN201910109738A CN109851289A CN 109851289 A CN109851289 A CN 109851289A CN 201910109738 A CN201910109738 A CN 201910109738A CN 109851289 A CN109851289 A CN 109851289A
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Abstract
The present invention relates to levelling anticracking grout powders of interior wall thin-coat plaster and preparation method thereof.The levelling anticracking grout powder of interior wall thin-coat plaster, is made by weight ratio of following raw material: 17~25 parts of cementitious material, 0~10 part of active filler, 0~5 part of inert filler, 70~75 parts of aggregate, 0.1~0.2 part of water-retaining admixture, 0~0.8 part of adhesive, 0~0.5 part of bonding agent, 0.2~0.3 part of water guide thickener, 0.05~0.15 part of anti-crack fiber, 0~0.5 part of slipping agent, 0~0.1 part of thixotropic agent.Mortar powder water-tolerant provided by the invention, intensity are high, not easy to crack, good without indoor environmental pollution and application property.
Description
Technical field
The invention belongs to structure material fields, are specifically related to a kind of interior wall thin-coat plaster applied to inner wall of building metope
Levelling anticracking grout powder and preparation method thereof.
Background technique
After construction, the interior wall of building is rough and uneven in surface, needs to pass through plaster leveling.Nowadays commonly plastering product is
The levelling product of gypsum base, the problem is that poor water resistance, intensity are low, water suction after-tack, so as to cause the painting of inner wall surface surface layer
Material and putty mildew play drum and decortication.On the other hand the levelling product nowadays routinely used, is mostly live wet mixing mortar, deposits
The problem of be that not environmentally, construction dust pollution is big, and live mixing inverse proportion, without quality control, intensity is low；And wet-mixing sand
Slurry performance is single, application property is poor, crack resistance is poor.Dry-mixed mortar can be easy control, be had by the factorial production, material quality
Scene is instant mixed etc. to facilitate factor.So dry-mixed mortar product will necessarily replace existing wet mixing mortar.
Summary of the invention
The object of the present invention is to provide a kind of water-tolerant, intensity it is high, it is not easy to crack, without indoor environmental pollution and application property
The good levelling anticracking grout of low VOC ep-type material interior wall thin-coat plaster.
To achieve the goals above, the technical solution adopted by the present invention is that: the levelling anticracking grout powder of interior wall thin-coat plaster, by
Following raw material is made by weight ratio: 17~25 parts of cementitious material, 0~10 part of active filler, 0~5 part of inert filler, aggregate
65~75 parts, 0.1~0.2 part of water-retaining admixture, 0~0.8 part of adhesive, 0~0.5 part of bonding agent, water guide thickener 0.2~
0.3 part, 0.05~0.15 part of anti-crack fiber, 0~0.5 part of slipping agent, 0~0.1 part of thixotropic agent.
Further, the levelling anticracking grout powder of the interior wall thin-coat plaster, is made: glue by weight ratio of following raw material
20 parts of gel material, 3 parts of active filler, 3 parts of inert filler, 73 parts of aggregate, 0.15 part of water-retaining admixture, 0.7 part of adhesive, bonding
0.3 part of agent, 0.25 part of water guide thickener, 0.10 part of anti-crack fiber, 0.3 part of slipping agent, 0.05 part of thixotropic agent.
Further, the cementitious material is ordinary portland cement；The active filler is flyash；The inert filler is attached most importance to
Matter calcium carbonate；The aggregate is natural silica Sand；The water-retaining admixture is hydroxypropyl methyl cellulose ether；The adhesive is can
Redisperse latex powder；The bonding agent is polyvinyl alcohol；The water guide thickener is wood fibre；The anti-crack fiber is poly- third
Alkene fiber；The slipping agent is thixotropic lubricant；The thixotropic agent is starch ether.
Further, the ordinary portland cement is 42.5 cement of 32.5 cement of P.W or P.O.
The preparation method of the levelling anticracking grout powder of interior wall thin-coat plaster is stocked up by above-mentioned weight, in mixing chamber
In successively put into cementitious material, active filler, inert filler, aggregate, water-retaining admixture, adhesive, bonding agent, water guide thickening
Agent, anti-crack fiber, slipping agent and thixotropic agent stir 180-240 seconds with 100-150 revs/min of speed, after the completion blowing.
Above-mentioned mortar powder is plastered in concrete walls, lightweight inner partition wall, hollow block wall and light block internal partition wall and is looked for
Application in flat.Method is as follows: by weight, the above-mentioned levelling anticracking grout powder of interior wall thin-coat plaster: water=4~4.5:1 ratio
Example, takes the levelling anticracking grout powder of above-mentioned interior wall thin-coat plaster and water, stirs 2~3 points with hand electric blender with middle and slow speed of revolution
Clock, it is then quiet to stop 1~2 minute, it is stirred for 1~2 minute, obtains mortar, gained mortar is finished in 2 hours, cannot add water halfway
With mortar powder；Elder generation's granted full is scraped 1 time by the way of being scraped using artificial batch, with a thickness of 0.2~0.3mm, is then inserted into alkali resistant glass fiber net
Ge Bu simultaneously carries out second and batch scrapes, with a thickness of 0.2~0.3mm.
The beneficial effects of the present invention are:
1, of the invention, it is acted on using cementitious material and filler intercombination, had both reduced the early stage high cement amount of filling out and brought
Cracking risk, and improve mortar later strength development value.
2, of the invention, aggregate uses natural silica Sand, and clay content and water content are extremely low, avoid absorption to organic material and
Mortar abnormal state caused by amount of water of constructing is unstable.
3, of the invention, significantly improve mortar construction feel by adding water-retaining admixture, reduce suction of the substrate to mortar
Water effect, guarantees that mortar is not easy dehydration dusting.
4, of the invention, guarantee that effective bonding of mortar and substrate forms a film using polymer bonding agent, improves the water-fast of product
Property, durability, flexibility and adhesion strength.
5, of the invention, mortar early stage dry shrinkage and cracking and plastic cracking are avoided using water guide thickener, so that mortar is inside and outside
Rate of drying is uniform.
6, of the invention, the anti-cracking performance of mortar is improved using anti-crack fiber, is promoted the anti-shearing effect of mortar, is not easy
Generate stress cracking.
7, of the invention, mortar workability is increased using slipping agent, is easily struck off, high thixotroping, thickness is applied and do not dropped, and is not dropped down
Material.
8, mortar prepared by the present invention, all material are low VOC ep-type material, no indoor environmental pollution, formaldehydeless
Etc. harmful substances be precipitated.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
Embodiment 1.
The composition of the levelling anticracking grout powder of 1.1 interior wall thin-coat plasters
It forms by weight ratio are as follows:
1.2 preparation method
It counts weight and feeds intake using integration apparatus computer, raw material is put into 3m according to the ratio according to 1.13Mixing chamber
In, being stirred 180~240 seconds with 120 revs/min of speed can be uniformly mixed, blowing after the completion of stirring.
1.3 application method
The levelling anticracking grout powder of interior wall thin-coat plaster of 1.2 preparations and water are placed in appearance by weight the ratio of 4~4.5:1
In device, stirred 2~3 minutes with hand electric blender with middle and slow speed of revolution, it is then quiet to stop 1 minute, it is stirred for 1~2 minute side
Formula carries out mixing to obtain mortar, and gained mortar should construct in 2 hours and finish, out-of-date to use, and midway can not add water or add
Powder；Elder generation's granted full is scraped 1 time by the way of being scraped when construction using artificial batch, and thickness is about 0.2~0.3mm, is then inserted into alkali resistant glass
Grid cloth simultaneously carries out batch scraping for second mortar, and thickness is about 0.2~0.3mm.
Embodiment 2.
The composition of the levelling anticracking grout powder of 2.1 interior wall thin-coat plasters
It forms by weight ratio are as follows:
2.2 preparation method
It counts weight and feeds intake using integration apparatus computer, raw material is put into 3m according to the ratio according to 2.13Mixing chamber
In, being stirred 180~240 seconds with 120 revs/min of speed can be uniformly mixed, blowing after the completion of stirring.
2.3 application method
The levelling anticracking grout powder of interior wall thin-coat plaster of 2.2 preparations and water are placed in appearance by weight the ratio of 4~4.5:1
In device, stirred 2~3 minutes with hand electric blender with middle and slow speed of revolution, it is then quiet to stop 1 minute, it is stirred for 1~2 minute side
Formula carries out mixing to obtain mortar, and gained mortar should construct in 2 hours and finish, out-of-date to use, and midway can not add water or add
Powder；Elder generation's granted full is scraped 1 time by the way of being scraped when construction using artificial batch, and thickness is about 0.2~0.3mm, is then inserted into alkali resistant glass
Grid cloth simultaneously carries out batch scraping for second mortar, and thickness is about 0.2~0.3mm.
Embodiment 3.
The composition of the levelling anticracking grout powder of 3.1 interior wall thin-coat plasters
It forms by weight ratio are as follows:
3.2 preparation method
It counts weight and feeds intake using integration apparatus computer, raw material is put into 3m according to the ratio according to 3.13Mixing chamber
In, being stirred 180-240 seconds with 120 revs/min of speed can be uniformly mixed, blowing after the completion of stirring.
3.3 application method
The levelling anticracking grout powder of interior wall thin-coat plaster of 3.2 preparations and water are placed in appearance by weight the ratio of 4~4.5:1
In device, stirred 2~3 minutes with hand electric blender with middle and slow speed of revolution, it is then quiet to stop 1 minute, it is stirred for 1~2 minute side
Formula carries out mixing to obtain mortar, and gained mortar should construct in 2 hours and finish, out-of-date to use, and midway can not add water or add
Powder；Elder generation's granted full is scraped 1 time by the way of being scraped when construction using artificial batch, and thickness is about 0.2~0.3mm, is then inserted into alkali resistant glass
Grid cloth simultaneously carries out batch scraping for second mortar, and thickness is about 0.2-0.3mm.
Embodiment 4.
The composition of the 4.1 levelling anticracking grouts of interior wall thin-coat plaster
It forms by weight ratio are as follows:
4.2 preparation method
It counts weight and feeds intake using integration apparatus computer, raw material is put into 3m according to the ratio according to 4.13Mixing chamber
In, being stirred 180-240 seconds with 120 revs/min of speed can be uniformly mixed, blowing after the completion of stirring.
4.3 application method
The levelling anticracking grout powder of interior wall thin-coat plaster of 4.2 preparations and water are placed in appearance by weight the ratio of 4~4.5:1
In device, stirred 2~3 minutes with hand electric blender with middle and slow speed of revolution, it is then quiet to stop 1 minute, it is stirred for 1~2 minute side
Formula carries out mixing to obtain mortar, and gained mortar should construct in 2 hours and finish, out-of-date to use, and midway can not add water or add
Powder；Elder generation's granted full is scraped 1 time by the way of being scraped when construction using artificial batch, and thickness is about 0.2~0.3mm, is then inserted into alkali resistant glass
Grid cloth simultaneously carries out batch scraping for second mortar, and thickness is about 0.2~0.3mm.
Embodiment 5.
The composition of the levelling anticracking grout powder of 5.1 interior wall thin-coat plasters
It forms by weight ratio are as follows:
5.2 preparation method
It counts weight and feeds intake using integration apparatus computer, raw material is put into 3m according to the ratio according to 5.13Mixing chamber
In, being stirred 180-240 seconds with 120 revs/min of speed can be uniformly mixed, blowing after the completion of stirring.
5.3 application method
The levelling anticracking grout powder of interior wall thin-coat plaster of 5.2 preparations and water are placed in appearance by weight the ratio of 4~4.5:1
In device, stirred 2~3 minutes with hand electric blender with middle and slow speed of revolution, it is then quiet to stop 1 minute, it is stirred for 1~2 minute side
Formula carries out mixing to obtain mortar, and gained mortar should construct in 2 hours and finish, out-of-date to use, and midway can not add water or add
Powder；Elder generation's granted full is scraped 1 time by the way of being scraped when construction using artificial batch, and thickness is about 0.2~0.3mm, is then inserted into alkali resistant glass
Grid cloth simultaneously carries out batch scraping for second mortar, and thickness is about 0.2~0.3mm.
Performance test
The performance test of the levelling anticracking grout powder of interior wall thin-coat plaster of the present invention executes GB/T 25181-2010 " pre- sand cutting
Slurry " in dry-mixed plastering mortar-thin layer plastering mortar standard.
The levelling anticracking grout powder of interior wall thin-coat plaster of embodiment 1-5 preparation is tested for the property, it is as a result as follows.
1, pressure-proof and snap-resistent intensity (M10)
Method: the levelling anticracking grout powder of interior wall thin-coat plaster and water are mixed by weight the ratio of 4-4.5:1, will be mixed
Good mortar prepares test block in three gang mould of 40*40*160mm mortar, and 25 ± 1 DEG C of curing condition, humidity 90 ± 5%, test block is arrived
After age, shift to an earlier date taking-up test block in 2 hours before experiment, 23 ± 2 DEG C of experimental situation temperature, humidity 50 ± 5% is anti-in national standard mortar
Anti- folding machine is pressed to carry out pressure-proof and snap-resistent experiment, volume unit MPa, as a result such as table 1.
Table 1
Seen from table 1, the product of 1-5 of the embodiment of the present invention meets M10 grade mortar strength standard.
2, tensile bond strength (>=0.30MPa)
Method: the levelling anticracking grout powder of interior wall thin-coat plaster and water are mixed into obtain mortar by weight the ratio of 4-4.5:1.
On cement base national standard mortar block substrate, in 40mm*40mm*2mm mold, criticizes and scrape sample to be tested, conserved in standard curing, temperature
23 ± 2 DEG C, humidity 50 ± 5%, to age after take out bonding steel drawing head, using electronics drawing instrument carry out tensile bond strength
Experiment, volume unit MPa, as a result such as table 2.
Table 2
As can be seen from Table 2,1~embodiment of embodiment, 5 product strength result meets the requirement of national standard 0.30MPa, and
Example 1, example 3,5 intensity of example will be significantly better than example 2 and example 4, and the effect of example 5 is best.
3, water retention (>=99%)
Method: the levelling anticracking grout powder of interior wall thin-coat plaster and water are mixed into obtain mortar by weight the ratio of 4-4.5:1.
According in JGJ70-2009 " building mortar basic performance tests method standard ", 8 filter paper methods of water retentivity of mortar are tested, and standard is real
Test environment.Calculation formula W={ 1- (m4-m2)/[a*(m3-m1)] * 100%.As a result such as table 3.
Table 3
Seen from table 3, example 1, example 3,5 product water retention of example will be significantly better than 4 product of example 2 and example, and the effect of example 5 is best.
4, application property, cracking behavior etc.
Method: the levelling anticracking grout powder of interior wall thin-coat plaster and water are mixed into obtain mortar by weight the ratio of 4-4.5:1.
Substrate is cement wall or without asbestos cement backing material plate, requires to carry out batch to scrape 1 time according to technique, batch scrape with a thickness of 0.3~
0.5mm, and observed, apparent density converses apparent density divided by volume using the peeling weighing of capacity cup, as a result such as table
4。
Table 4
By table 4 as it can be seen that 1~example of example, 5 product application property, splitting resistance, apparent density, in terms of be all satisfied
It is required that.
Although being particularly shown and describing the present invention, those skilled in the art referring to its exemplary embodiment
It should be understood that in the case where not departing from the spirit and scope of the present invention defined by claim form can be carried out to it
With the various changes in details.
Claims (7)
1. the levelling anticracking grout powder of interior wall thin-coat plaster, which is characterized in that be made by weight ratio of following raw material: gelling material
Material 17~25 parts, 0~10 part of active filler, 0~5 part of inert filler, 65~75 parts of aggregate, 0.1~0.2 part of water-retaining admixture,
It is 0~0.8 part of adhesive, 0~0.5 part of bonding agent, 0.2~0.3 part of water guide thickener, 0.05~0.15 part of anti-crack fiber, smooth
0~0.5 part of agent, 0~0.1 part of thixotropic agent.
2. the levelling anticracking grout powder of interior wall thin-coat plaster according to claim 1, which is characterized in that by following raw material by weight
Amount part proportion is made: 20 parts of cementitious material, 3 parts of active filler, 3 parts of inert filler, 73 parts of aggregate, 0.15 part of water-retaining admixture,
0.7 part of adhesive, 0.3 part of bonding agent, 0.25 part of water guide thickener, 0.10 part of anti-crack fiber, 0.3 part of slipping agent, thixotropic agent
0.05 part.
3. the levelling anticracking grout powder of interior wall thin-coat plaster according to claim 1 or 2, which is characterized in that the gelling material
Material is ordinary portland cement；The active filler is flyash；The inert filler is powdered whiting；The aggregate is natural silicon
Sand；The water-retaining admixture is hydroxypropyl methyl cellulose ether；The adhesive is redispersable latex powder；The bonding agent is
Polyvinyl alcohol；The water guide thickener is wood fibre；The anti-crack fiber is polypropylene fibre；The slipping agent is thixotroping profit
Lubrication prescription；The thixotropic agent is starch ether.
4. the levelling anticracking grout powder of interior wall thin-coat plaster according to claim 3, which is characterized in that the ordinary portland cement is
42.5 cement of 32.5 cement of P.W or P.O.
5. the preparation method of the levelling anticracking grout powder of interior wall thin-coat plaster, which is characterized in that method is as follows: pressing claims 1 or 2
The weight stock successively puts into cementitious material, active filler, inert filler, aggregate, water conservation increasing in mixing chamber
Thick dose, adhesive, bonding agent, water guide thickener, anti-crack fiber, slipping agent and thixotropic agent, with 100-150 revs/min of speed
Stirring 180-240 seconds, after the completion blowing.
6. mortar powder as claimed in claim 1 or 2 in concrete walls, lightweight inner partition wall, hollow block wall and light block every
Application in wall in plaster leveling.
7. application according to claim 6, which is characterized in that method is as follows: by weight, as claimed in claim 1 or 2 interior
The levelling anticracking grout powder of wall thin-coat plaster: water=4~4.5:1 ratio takes the as claimed in claim 1 or 22 interior wall thin-coat plasters levelling
Anticracking grout powder and water are stirred 2~3 minutes with hand electric blender with middle and slow speed of revolution, then quiet to stop 1~2 minute, then are stirred
It mixes 1~2 minute, obtains mortar, gained mortar is finished in 2 hours, cannot add water and mortar powder halfway；It is scraped using artificial batch
Mode elder generation granted full is scraped 1 time, with a thickness of 0.2~0.3mm, is then inserted into alkali resistant glass fiber reticular cloth and is carried out second batch and scrape, thickness
For 0.2~0.3mm.
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| CN201910109738.4A CN109851289A (en) | 2019-02-11 | 2019-02-11 | Levelling anticracking grout powder of interior wall thin-coat plaster and preparation method thereof |
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| CN201910109738.4A CN109851289A (en) | 2019-02-11 | 2019-02-11 | Levelling anticracking grout powder of interior wall thin-coat plaster and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456947A (en) * | 2020-12-04 | 2021-03-09 | 娄城环保(苏州)有限公司 | Preparation method and application of anti-dry-cracking gypsum mortar |
| CN113800861A (en) * | 2021-11-04 | 2021-12-17 | 深圳澳达新材料有限公司 | Premixed mortar with smooth surface and preparation method thereof |
| CN114436579A (en) * | 2020-10-30 | 2022-05-06 | 尚文广 | High-adsorption-force environment-friendly mortar |
| CN114644494A (en) * | 2022-04-22 | 2022-06-21 | 北京悦筑新天节能科技有限公司 | Flexible light leveling mortar and preparation method and application thereof |
| CN115784672A (en) * | 2022-12-27 | 2023-03-14 | 江苏省苏安能节能建材科技有限公司 | Preparation method of anti-cracking lightweight interior wall plastering mortar |
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| CN108947371A (en) * | 2018-07-17 | 2018-12-07 | 广东复特新型材料科技有限公司 | A kind of polymer foil cracking resistance plastering mortar |
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| WO2001092180A1 (en) * | 2000-05-30 | 2001-12-06 | Kwak Sang Woon | Resin mortar for construction and a method of plastering resin mortar |
| CN107540286A (en) * | 2017-08-30 | 2018-01-05 | 云南工程建设总承包公司 | It is a kind of to be used for concrete base layer or the thin layer motar of masonry basic unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436579A (en) * | 2020-10-30 | 2022-05-06 | 尚文广 | High-adsorption-force environment-friendly mortar |
| CN112456947A (en) * | 2020-12-04 | 2021-03-09 | 娄城环保(苏州)有限公司 | Preparation method and application of anti-dry-cracking gypsum mortar |
| CN113800861A (en) * | 2021-11-04 | 2021-12-17 | 深圳澳达新材料有限公司 | Premixed mortar with smooth surface and preparation method thereof |
| CN114644494A (en) * | 2022-04-22 | 2022-06-21 | 北京悦筑新天节能科技有限公司 | Flexible light leveling mortar and preparation method and application thereof |
| CN115784672A (en) * | 2022-12-27 | 2023-03-14 | 江苏省苏安能节能建材科技有限公司 | Preparation method of anti-cracking lightweight interior wall plastering mortar |
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