CN108863150A - A kind of compound additive for mechanically spraying plastering mortar - Google Patents
A kind of compound additive for mechanically spraying plastering mortar Download PDFInfo
- Publication number
- CN108863150A CN108863150A CN201811108285.5A CN201811108285A CN108863150A CN 108863150 A CN108863150 A CN 108863150A CN 201811108285 A CN201811108285 A CN 201811108285A CN 108863150 A CN108863150 A CN 108863150A
- Authority
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- China
- Prior art keywords
- mechanically spraying
- powder
- compound additive
- plastering mortar
- mortar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of compound additives for mechanically spraying plastering mortar, including following component by weight percentage：AOS powder 2%~6%, CAB-97 powder 2%~6%, polycarboxylate water-reducer 10%~30%, welan gum 10%~30%, sepiolite powder 10%~40%.The performance indicators such as consistency properties, 2h consistency properties, the water retention property that the compound additive of the present invention for mechanically spraying plastering mortar can improve, improve mechanically spraying plastering mortar improve, improve pump-conveying property, spraying property and the sag resistance energy of mechanically spraying plastering mortar.
Description
Technical field
The invention belongs to additive field, more particularly, to a kind of compound additive for mechanically spraying plastering mortar and
Its application method.
Background technique
With the reduction of China human mortality bonus and the rising of cost of labor, the mechanization for starting gradually to promote plastering mortar is applied
Work, currently, can have higher want to pump-conveying property, spraying property and sag resistance for mechanically spraying plastering mortar product
It asks, the performance indicator of common plastering mortar cannot meet the requirement of mechanized construction well.
Summary of the invention
In view of this, the present invention is directed to propose a kind of compound additive for mechanically spraying plastering mortar, existing to solve
The problem of with the presence of technology.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of compound additive for mechanically spraying plastering mortar, including following component by weight percentage：AOS
Powder 2%~6%, CAB-97 powder 2%~6%, polycarboxylate water-reducer 10%~30%, welan gum 10%~30%, Hai Pao
Stone powder 10%~40%.
Further, further include weight percent be 1%~66% dicalcium powder.
Further, the AOS powder is α-alkene sulfonic acid sodium that effective active composition is greater than 90%, and wherein alkene chain is
C14-C16。
Further, the CAB-97 powder is the Cocoamidopropyl betaine that effective active composition is greater than 80%.
Further, the polycarboxylate water-reducer is solid content>98% powder.
Further, the sepiolite fineness of powder is 400 mesh.
Further, the coarse whiting powder fineness is 200 mesh to 400 mesh.
The invention also includes the application method of the compound additive, the application method is first to prepare the temperature of formula ratio
Glue solution is taken turns, then remaining component is added in the welan gum aqueous solution prepared after mixing according to formula ratio and is mixed
It is even, then (method 1) is added in mechanically spraying plastering mortar as a solution again.
The invention also includes another application method of the compound additive, the application method is by formula ratio
Each component is added in mechanically spraying plastering mortar (method 2) according to the proportion after mixing.
Compared with the existing technology, the compound additive of the present invention for mechanically spraying plastering mortar has following excellent
Gesture：
(1) compound additive of mechanically spraying plastering mortar of the present invention is changed using AOS powder and CBA-97 powder
The kind performance for improving mechanically spraying mortar.Wherein, AOS powder generates in mechanically spraying mortar a large amount of small as air entraining agent
Bubble.AOS air entraining agent as in a kind of surfactant molecule have hydrophilic radical and hydrophobic group, mechanically spraying plastering sand
After air entraining agent is added in slurry, hydrophilic radical is adsorbed in cement granules or aggregate surface, and hydrophobic group is connected with micro-bubble, because
This micro-bubble can be evenly distributed in mechanically spraying plastering mortar, to improve the water-retaining property of mechanically spraying plastering mortar
Can, reduce consistency loss, while mechanically spraying plastering mortar micro-bubble can mention lubricating action so as to improve mechanical spray
Apply the pump-conveying property and spraying property of plastering mortar.CAB-97 is a kind of non-ionic air entraining agent, is on the one hand suitble in cement water
It is with good stability to change generation micro-bubble under the alkaline condition of product, on the other hand can act synergistically enhancing with AOS
The stability of micro-bubble in mechanically spraying mortar.By improving the quality of micro-bubble film, increasing liquid film strength and viscoelastic
Property, the mode of gas permeability that reduces liquid film improve the stability of micro-bubble in mechanically spraying mortar.
(2) in the compound additive of mechanically spraying plastering mortar of the present invention polycarboxylate water-reducer as compound additional
One of component of agent.Due to the introducing of AOS and CAB-97, cause to be uniformly distributed in mechanically spraying mortar a certain number of micro-
Minute bubbles.Change and improve the consistency properties, 2h consistency properties and water retention property of mechanically spraying mortar, while micro-bubble is deposited
In the compression strength performance and tensile bond strength performance for reducing mechanically spraying mortar.The introducing of suitable water-reducing agent can have
Effect reduce mechanically spraying mortar water consumption and improve mechanically spraying mortar pump-conveying property and spraying property, compensation due to
The loss of compression strength and tensile bond strength caused by the minute gas that AOS and CAB-97 is introduced.
(3) mechanically spraying sand is improved using welan gum in the compound additive of mechanically spraying plastering mortar of the present invention
The consistency of slurry can effectively reduce mechanically spraying mortar in the resistance of pumping procedure, to improve the pumping of mechanically spraying mortar
Performance.The water retention property that welan gum can increase mechanically spraying mortar at the same time is conducive to cement granules in mechanically spraying mortar
Aquation it is complete, improve mechanically spraying mortar compression strength performance.
(4) machinery is enhanced using sepiolite powder in the compound additive of mechanically spraying plastering mortar of the present invention
The thixotroping lubricating ability for spraying mortar, to improve the pump-conveying property of mechanically spraying mortar and the sag resistance energy after spraying.
(5) compound additive of mechanically spraying plastering mortar of the present invention passes through AOS, CAB-97, polycarboxylic acids diminishing
Five kinds of agent, welan gum, sepiolite powder substance compound actions, improve the consistency properties of mechanical spray mortar, 2h consistency properties and
Water retention property, meet mechanically spraying mortar to pump-conveying property, spraying property, sag resistance can needs.Wherein, dicalcium powder is made
To be used as trim substance migration in mechanically spraying mortar compound additive.
Specific embodiment
In addition to being defined, technical term used in following embodiment has universal with those skilled in the art of the invention
The identical meanings of understanding.Test reagent used in following embodiment is unless otherwise specified conventional biochemical reagent；It is described
Experimental method is unless otherwise specified conventional method.
Below with reference to embodiment, the present invention will be described in detail.
Test example 1：It is M5 that the compound additive of mechanically spraying plastering mortar described in this test example, which should be used for strength grade,
Mechanically spraying plastering mortar：：
Comparative example 1
Mechanically spraying plastering mortar in this comparative example is formulated at normal temperature by following raw material：P.O42.5 ordinary silicon
Acid salt cement 190g, second class powered coal ash 220g, 2.36mm or less continuous grading river sand 1590g, amount of water 380g.
Examples 1 to 3
Being formulated at normal temperature by following raw material in Examples 1 to 3：P.O42.5 ordinary portland cement 190g,
Second class powered coal ash 220g, 2.36mm or less continuous grading river sand 1580g, mechanically spraying plastering mortar compound additive are 10g, are added
Water is 380g；
Wherein, embodiment 1, embodiment 2, the component proportion of mechanically spraying mortar compound additive in embodiment 3 are different,
Specific proportion is as follows：
It include following component by weight percentage in mechanically spraying mortar compound additive in embodiment 1：AOS powder
Last 2%, CAB-97 powder 2%, polycarboxylate water-reducer 10%, welan gum 10%, sepiolite powder 10%, dicalcium powder 66%.
Mechanically spraying mortar compound additive in embodiment 2 includes following component by weight percentage：AOS powder
4%, CAB-97 powder 4%, polycarboxylate water-reducer 15%, welan gum 15%, sepiolite powder 20%, dicalcium powder 42%.
Mechanically spraying mortar compound additive in embodiment 3 includes following component by weight percentage：AOS powder
6%, CAB-97 powder 6%, polycarboxylate water-reducer 30%, welan gum 30%, sepiolite powder 28%.
The mechanically spraying mortar compound additive in Examples 1 to 3 is added by method 2.
The stirring of mechanically spraying plastering mortar, molding, maintenance and performance test that comparative example 1 and Examples 1 to 3 are prepared are pressed
It is carried out according to GB/T 25181-2010.
Table 1
As shown in Table 1, consistency, the 2h consistency, water retention of the Examples 1 to 3 of compound additive of the present invention is added
Performance is obviously improved with comparative example, and there are certain performance loss for compression strength and tensile bond strength, but still can
Meet requirement.The compound additive volume of mechanically spraying plastering mortar is bigger, the performances such as consistency, 2h consistency and water retention
Raising be more obvious, and the pump-conveying property of mortar, spraying property and sag resistance can also be significantly improved.
The promotion of above-mentioned performance be each component of the compound additive of mechanically spraying plastering mortar it is coefficient as a result,
Specially：A, two kinds of substance synergistic effects of AOS, CAB-97, are uniformly distributed a certain amount of micro- inside mechanically spraying mortar
Minute bubbles reduce the wet density of mechanically spraying mortar, increase workability, and micro-bubble plays similar ball action and improves
The pump-conveying property and spraying property of mechanically spraying mortar；B, on the one hand polycarboxylate water-reducer reduces mechanically spraying mortar amount of water
To improve mechanically spraying mortar compression strength caused by as introducing two kinds of air entraining agents of AOS and CAB-97 to a certain extent
With the decline of tensile bond strength performance；On the other hand the pump-conveying property of mechanically spraying mortar is enhanced；C, welan gum is by changing
The viscosity performance and water retention property of kind mechanically spraying mortar, pumping and spraying property so as to improve mechanically spraying mortar,
Mechanically spraying mortar compression strength performance and tensile bond strength caused by two kinds of air entraining agents of AOS and CAB-97 can be improved simultaneously
The loss of performance；D, sepiolite powder improves the thixotroping greasy property of mechanically spraying mortar, and mechanically spraying on the one hand can be improved
On the other hand the pump-conveying property of mortar can improve due to four kinds of AOS, CAB-97, polycarboxylate water-reducer and welan gum additives
Introduce the reduction of the sag resistance energy generated.
Test example 2：The mechanically spraying mortar compound additive of this test example is applied to the mechanically spraying that strength grade is M10
Plastering mortar：
Comparative example 2
The mechanically spraying plastering mortar of M10 strength grade in this comparative example is matched by weight at normal temperature by following raw material
It makes：：P.O42.5 ordinary portland cement 240g, second class powered coal ash 220g, 2.36mm or less continuous grading river sand 1520g,
Amount of water is 380g；
Embodiment 4~6
Strength grade in embodiment 4~6 is M10 mechanically spraying plastering mortar by following raw material at normal temperature by weight
It is formulated：P.O42.5 ordinary portland cement 240g, second class powered coal ash 220g, 2.36mm or less continuous grading river sand
1510g, mechanically spraying mortar compound additive 10g, amount of water 380g.
Wherein, the component proportion of the mechanically spraying mortar compound additive in embodiment 4, embodiment 5 and embodiment 6 is not
Together, specific proportion is as follows：
It include following component by weight percentage in mechanically spraying mortar compound additive in embodiment 4：AOS powder
Last 2%, CAB-97 powder 2%, polycarboxylate water-reducer 10%, welan gum 10%, sepiolite powder 10%, dicalcium powder 66%.
Mechanically spraying mortar compound additive in embodiment 5 includes following component by weight percentage：AOS powder
4%, CAB-97 powder 4%, polycarboxylate water-reducer 15%, welan gum 15%, sepiolite powder 20%, dicalcium powder 42%.
It include following component by weight percentage in mechanically spraying mortar compound additive in embodiment 6：AOS powder
Last 6%, CAB-97 powder 6%, polycarboxylate water-reducer 30%, welan gum 30%, sepiolite powder 28%.
The application method of mechanically spraying mortar compound additive described in embodiment 4~6 is same as Example 1；It is mechanical
The stirring of spray plaster mortar, molding, maintenance and performance test are identical as comparative example 1 and embodiment 1-3.
Table 2
As shown in Table 2, the M10 that the embodiment 4~6 of mechanically spraying mortar compound additive described in this test example is added is strong
The wet volume capacity reduction of the mechanically spraying mortar of degree grade, consistency, 2h consistency, water retention performance are significantly improved, pressure resistance
Degree and tensile bond strength performance slightly decrease.Pump-conveying property, spraying property and the sag resistance of mechanically spraying mortar simultaneously
Apparent increase can be obtained.
Test example 3：The mechanically spraying mortar compound additive of this test example is applied to the mechanically spraying that strength grade is M15
Plastering mortar：
Comparative example 3
The mechanically spraying plastering mortar of M15 strength grade in this comparative example is matched by weight at normal temperature by following raw material
It makes：：P.O42.5 ordinary portland cement 280g, second class powered coal ash 240g, 2.36mm or less continuous grading river sand 1480g,
Amount of water is 380g；
The mechanically spraying plastering mortar of M15 strength grade in embodiment 7~10 by following raw material at normal temperature by weight
Than being formulated：：P.O42.5 ordinary portland cement 280g, second class powered coal ash 240g, 2.36mm or less continuous grading river sand
1470g, mechanically spraying admixture dosage are 10g, amount of water 380g；
Wherein, the component proportion of the mechanically spraying mortar compound additive in embodiment 7-9 is different, and specific proportion is as follows：
It include following component by weight percentage in mechanically spraying mortar compound additive in embodiment 7：AOS powder
Last 2%, CAB-97 powder 2%, polycarboxylate water-reducer 10%, welan gum 10%, sepiolite powder 10%, dicalcium powder 66%.
Mechanically spraying mortar compound additive in embodiment 8 includes following component by weight percentage：AOS powder
4%, CAB-97 powder 4%, polycarboxylate water-reducer 15%, welan gum 15%, sepiolite powder 20%, dicalcium powder 42%.
It include following component by weight percentage in mechanically spraying mortar compound additive in embodiment 9：AOS powder
Last 6%, CAB-97 powder 6%, polycarboxylate water-reducer 30%, welan gum 30%, sepiolite powder 28%.
Matched in mechanically spraying mortar compound additive in embodiment 10 it is same as Example 9, unlike embodiment
The application method of mechanically spraying mortar compound additive described in 10 is added by method 1.
The application method of mechanically spraying mortar compound additive described in embodiment 7~9 is identical as Examples 1 to 3.
The stirring of mechanically spraying plastering mortar, molding, maintenance and the performance test that comparative example 3 and embodiment 7~10 are prepared are pressed
It is carried out according to GB/T 25181-2010.
Table 3
As shown in Table 3, the embodiment 7~9 of compound additive described in this test example is added, is added described in this test example
Mechanically spraying mortar compound additive embodiment 7~9 M15 strength grade mechanically spraying mortar wet volume capacity reduce,
Consistency, 2h consistency, water retention performance are significantly improved, and compression strength and tensile bond strength performance slightly decrease.Together
When mechanically spraying mortar pump-conveying property, spraying property and sag resistance can obtain apparent increase.It is real compared with Example 9
It applies example 10 and uses the first application method, welan gum obtains sufficient dispersing and dissolving, therefore the machinery in embodiment 10 in the early stage
Initial consistency properties, water retention property are slightly better than embodiment 9 in spray plaster mortar, and 2h consistency, compression strength, stretch-bonded are strong
Degree and wet density index and embodiment 9 are close.The configuration method of the Machine-blasting mortar compound additive of embodiment 10 is than embodiment 1-9
Want complicated, but consistency properties for mechanically spraying mortar and water retention property make moderate progress raising.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of compound additive for mechanically spraying plastering mortar, it is characterised in that：Including by weight percentage as
Lower component：AOS powder 2%~6%, CAB-97 powder 2%~6%, polycarboxylate water-reducer 10%~30%, welan gum 10%~
30%, sepiolite powder 10%~40%.
2. the compound additive according to claim 1 for mechanically spraying plastering mortar, it is characterised in that：It further include weight
Measure the dicalcium powder that percentage is 1%~66%.
3. the compound additive according to claim 1 for mechanically spraying plastering mortar, it is characterised in that：The AOS
Powder is α-alkene sulfonic acid sodium that effective active composition is greater than 90%, and wherein alkene chain is C14-C16.
4. the compound additive according to claim 1 for mechanically spraying plastering mortar, it is characterised in that：The CAB-
97 powder are the Cocoamidopropyl betaine that effective active composition is greater than 80%.
5. the compound additive according to claim 1 for mechanically spraying plastering mortar, it is characterised in that：Described is poly-
Carboxylic acid water reducer is solid content>98% powder.
6. a kind of compound additive for mechanically spraying plastering mortar according to claim 1, it is characterised in that：It is described
Sepiolite fineness of powder is 400 mesh.
7. a kind of compound additive for mechanically spraying plastering mortar according to claim 2, it is characterised in that：It is special
Sign is：The coarse whiting powder fineness is 200 mesh to 400 mesh.
8. the application method of compound additive described in claim 1, it is characterised in that：The application method is first to prepare formula
Then remaining component is added to the welan gum aqueous solution prepared by the welan gum aqueous solution of amount after mixing according to formula ratio
Then middle mixing is added in mechanically spraying plastering mortar as a solution again.
9. the application method of compound additive described in claim 1, it is characterised in that：Described use is by each of formula ratio
Component is added in mechanically spraying plastering mortar according to the proportion after mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108285.5A CN108863150B (en) | 2018-09-21 | 2018-09-21 | Composite additive for mechanical spraying plastering mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108285.5A CN108863150B (en) | 2018-09-21 | 2018-09-21 | Composite additive for mechanical spraying plastering mortar |
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| CN108863150A true CN108863150A (en) | 2018-11-23 |
| CN108863150B CN108863150B (en) | 2021-01-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603224A (en) * | 2012-03-23 | 2012-07-25 | 辽宁岩砂晶建材有限公司 | Super-concentrated mortar plasticizer |
| CN102786255A (en) * | 2012-07-17 | 2012-11-21 | 中科院广州化学有限公司 | Water-based mortar modifier, its preparation method and application |
| KR20130017834A (en) * | 2011-08-12 | 2013-02-20 | 한일시멘트 (주) | Flooring cement mortar composition which can crack prevention |
| CN103553414A (en) * | 2013-10-24 | 2014-02-05 | 郑州大学 | Water-retentive and thickening material and mortar prepared thereby for mechanical spraying and plastering |
| CN105293987A (en) * | 2015-11-23 | 2016-02-03 | 中国建筑材料科学研究总院 | Poly carboxylic acid series compound water reducing agent used for hydraulic self-compacting concrete and preparation method and application |
| CN105601158A (en) * | 2015-12-24 | 2016-05-25 | 湖南中岩建材科技有限公司 | Mortar additive |
-
2018
- 2018-09-21 CN CN201811108285.5A patent/CN108863150B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130017834A (en) * | 2011-08-12 | 2013-02-20 | 한일시멘트 (주) | Flooring cement mortar composition which can crack prevention |
| CN102603224A (en) * | 2012-03-23 | 2012-07-25 | 辽宁岩砂晶建材有限公司 | Super-concentrated mortar plasticizer |
| CN102786255A (en) * | 2012-07-17 | 2012-11-21 | 中科院广州化学有限公司 | Water-based mortar modifier, its preparation method and application |
| CN103553414A (en) * | 2013-10-24 | 2014-02-05 | 郑州大学 | Water-retentive and thickening material and mortar prepared thereby for mechanical spraying and plastering |
| CN105293987A (en) * | 2015-11-23 | 2016-02-03 | 中国建筑材料科学研究总院 | Poly carboxylic acid series compound water reducing agent used for hydraulic self-compacting concrete and preparation method and application |
| CN105601158A (en) * | 2015-12-24 | 2016-05-25 | 湖南中岩建材科技有限公司 | Mortar additive |
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