CN106747192B - A kind of wet mixing mortar and preparation method thereof of resistance to compression moisturizing - Google Patents
A kind of wet mixing mortar and preparation method thereof of resistance to compression moisturizing Download PDFInfo
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- CN106747192B CN106747192B CN201611170638.5A CN201611170638A CN106747192B CN 106747192 B CN106747192 B CN 106747192B CN 201611170638 A CN201611170638 A CN 201611170638A CN 106747192 B CN106747192 B CN 106747192B
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- tree bark
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Classifications
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- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/107—Acids or salts thereof
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of wet mixing mortars and preparation method thereof of resistance to compression moisturizing, the wet mixing mortar is according to mass percent meter, be made of following raw material: cement 18-22%, gangue 6-8%, fluorgypsum 2.0-3.5%, pelelith 5-7%, quartz sand 30-34%, modified plane tree bark 1.1-1.3%, flyash 4-7%, castor oil 0.03-0.04%, polyvinyl alcohol 0.024-0.027%, Sodium Polyacrylate 0.050-0.054%, surplus is water；The preparation of modified plane tree bark: dries pulverizing, soaking with sodium hydroxide processing add silicic acid microwave treatment, are filled with nitrogen, and nine water ferric nitrates are added and trimethyl citrate reacts 1-2h, filter to obtain filter residue, with ethanol washing, drying is obtained.Wet mixing mortar of the present invention has excellent moisture retention, compression strength under the synergistic effect of modified plane tree bark, pelelith, fluorgypsum and remaining component.
Description
Technical field
The present invention relates to building material technical field, the wet mixing mortar and preparation method thereof of specifically a kind of resistance to compression moisturizing.
Background technique
Wet mixing mortar is by cement, water, sand, mineral admixture and various functional additives in mixing plant according to certain
The mortar that mixes of ratio, at present mainly with wet-mixing decorative mortar, wet-mixing masonry mortar, wet-mixing terrace mortar and wet-mixing are anti-
Based on water sand slurry.Since wet mixing mortar needs at the appointed time using finishing, and in transport and storage, by time, weather
The consistency of the influence of condition etc., mortar may lose, and the performance of final mortar is it can also happen that variation, is unfavorable for applying
Work.Therefore wet mixing mortar needs to have good plastic stability, i.e. mortar water-retaining property with higher and when longer condensation
Between, it is ensured that it is non-condensing before the use, do not isolate, not bleeding, and there is good workability.In addition, to wet-mixing sand
Adhesive strength and compression strength after slurry solidification also have certain requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of wet mixing mortars and preparation method thereof with excellent resistance to compression moisture retention.
To achieve the above object, the invention provides the following technical scheme:
A kind of wet mixing mortar of resistance to compression moisturizing is made of following raw material according to mass percent meter: cement 18-22%, coal
Spoil 6-8%, fluorgypsum 2.0-3.5%, pelelith 5-7%, quartz sand 30-34%, modified plane tree bark 1.1-1.3%,
Flyash 4-7%, castor oil 0.03-0.04%, polyvinyl alcohol 0.024-0.027%, Sodium Polyacrylate 0.050-0.054%,
Surplus is water；
The preparation step of the modification plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 15-18 μm, it is spare；
2) it is molten for the sodium hydroxide of 32-35% that plane tree bark powder is immersed in the 4-5 times of mass concentration measured of its quality
Immersion treatment 2-3h in liquid；
3) the 1.5-1.8 times of silicic acid measured of plane tree bark powder quality, the microwave for being 160-180W with power are subsequently added into
3-5min is handled, mixed liquor is obtained；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction 1-
2h filters to obtain filter residue, and by filter residue ethanol washing, drying obtains modified plane tree bark.
As a further solution of the present invention: according to mass percent meter, being made of following raw material: cement 19-21%, coal
Spoil 6.8-7.4%, fluorgypsum 2.6-3.0%, pelelith 5.5-6.0%, quartz sand 32-33%, modified plane tree bark
1.20-1.24%, flyash 5-6%, castor oil 0.034-0.037%, polyvinyl alcohol 0.025-0.026%, Sodium Polyacrylate
0.052-0.053%, surplus are water.
As a further solution of the present invention: according to mass percent meter, being made of following raw material: cement 20%, bastard coal
Stone 7.2%, fluorgypsum 2.8%, pelelith 5.8%, quartz sand 33%, modified plane tree bark 1.21%, flyash 6%, castor
Sesame oil 0.036%, polyvinyl alcohol 0.026%, Sodium Polyacrylate 0.052%, surplus are water.
The preparation method of the wet mixing mortar of the resistance to compression moisturizing, comprising the following steps:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, then
Gangue, fluorgypsum, pelelith, quartz sand is added, stirs evenly, obtains mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
Application of the wet mixing mortar of the resistance to compression moisturizing in terms of preparing mortar for building.
Compared with prior art, the beneficial effects of the present invention are: wet mixing mortar of the present invention is in modified plane tree bark, volcano
Under the synergistic effect of stone, fluorgypsum and remaining component, there is excellent moisture retention (delamination degree 12-15mm), compression strength
(28d compression strength is 26.3-27.1MPa), meanwhile, also having preferable adhesive strength, (14d adhesion strength is 0.40-
0.45MPa), anti-contracility can (28d shrinking percentage is 0.0812-0.0849%) and working performance (initial consistency 94-
107mm, 10h consistency are 80-98mm, operable time 13.0-15.0h), it can satisfy construction requirement.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of wet mixing mortar of resistance to compression moisturizing, according to mass percent meter, by following raw material group
At: cement 18%, gangue 8%, fluorgypsum 2.0%, pelelith 7%, quartz sand 30%, modified plane tree bark 1.3%, powder
Coal ash 4%, castor oil 0.04%, polyvinyl alcohol 0.024%, Sodium Polyacrylate 0.054%, surplus are water；
Wherein, the preparation step of modified plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 15 μm, it is spare；
2) plane tree bark powder is immersed in the sodium hydroxide solution that the mass concentration of 4 times of amounts of its quality is 35% and is soaked
Bubble processing 2h；
3) it is subsequently added into the silicic acid of 1.5 times of plane tree bark powder quality amounts, the microwave treatment 3min for being 180W with power,
Obtain mixed liquor；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction 1h,
Filter residue is filtered to obtain, by filter residue ethanol washing, drying obtains modified plane tree bark.
The preparation method of the wet mixing mortar of the resistance to compression moisturizing, comprising the following steps:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, then
Gangue, fluorgypsum, pelelith, quartz sand is added, stirs evenly, obtains mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
Embodiment 2
In the embodiment of the present invention, a kind of wet mixing mortar of resistance to compression moisturizing, according to mass percent meter, by following raw material group
At: cement 22%, gangue 6%, fluorgypsum 3.5%, pelelith 5%, quartz sand 34%, modified plane tree bark 1.1%, powder
Coal ash 7%, castor oil 0.03%, polyvinyl alcohol 0.027%, Sodium Polyacrylate 0.050%, surplus are water；
Wherein, the preparation step of modified plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 18 μm, it is spare；
2) plane tree bark powder is immersed in the sodium hydroxide solution that the mass concentration of 5 times of amounts of its quality is 32% and is soaked
Bubble processing 3h；
3) it is subsequently added into the silicic acid of 1.8 times of plane tree bark powder quality amounts, the microwave treatment 5min for being 160W with power,
Obtain mixed liquor；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction 2h,
Filter residue is filtered to obtain, by filter residue ethanol washing, drying obtains modified plane tree bark.
The preparation method of the wet mixing mortar of the resistance to compression moisturizing, comprising the following steps:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, then
Gangue, fluorgypsum, pelelith, quartz sand is added, stirs evenly, obtains mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
Embodiment 3
In the embodiment of the present invention, a kind of wet mixing mortar of resistance to compression moisturizing, according to mass percent meter, by following raw material group
At: cement 19%, gangue 7.4%, fluorgypsum 2.6%, pelelith 6.0%, quartz sand 32%, modified plane tree bark
1.24%, flyash 5%, castor oil 0.037%, polyvinyl alcohol 0.025%, Sodium Polyacrylate 0.053%, surplus are water；
Wherein, the preparation step of modified plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 15 μm, it is spare；
2) plane tree bark powder is immersed in the sodium hydroxide solution that the mass concentration of 4 times of amounts of its quality is 35% and is soaked
Bubble processing 2h；
3) it is subsequently added into the silicic acid of 1.5 times of plane tree bark powder quality amounts, the microwave treatment 3min for being 180W with power,
Obtain mixed liquor；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction 1h,
Filter residue is filtered to obtain, by filter residue ethanol washing, drying obtains modified plane tree bark.
The preparation method of the wet mixing mortar of the resistance to compression moisturizing, comprising the following steps:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, then
Gangue, fluorgypsum, pelelith, quartz sand is added, stirs evenly, obtains mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
Embodiment 4
In the embodiment of the present invention, a kind of wet mixing mortar of resistance to compression moisturizing, according to mass percent meter, by following raw material group
At: cement 21%, gangue 6.8%, fluorgypsum 3.0%, pelelith 5.5%, quartz sand 33%, modified plane tree bark
1.20%, flyash 6%, castor oil 0.034%, polyvinyl alcohol 0.026%, Sodium Polyacrylate 0.052%, surplus are water；
Wherein, the preparation step of modified plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 18 μm, it is spare；
2) plane tree bark powder is immersed in the sodium hydroxide solution that the mass concentration of 5 times of amounts of its quality is 32% and is soaked
Bubble processing 3h；
3) it is subsequently added into the silicic acid of 1.8 times of plane tree bark powder quality amounts, the microwave treatment 5min for being 160W with power,
Obtain mixed liquor；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction 2h,
Filter residue is filtered to obtain, by filter residue ethanol washing, drying obtains modified plane tree bark.
The preparation method of the wet mixing mortar of the resistance to compression moisturizing, comprising the following steps:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, then
Gangue, fluorgypsum, pelelith, quartz sand is added, stirs evenly, obtains mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
Embodiment 5
In the embodiment of the present invention, a kind of wet mixing mortar of resistance to compression moisturizing, according to mass percent meter, by following raw material group
At: cement 20%, gangue 7.2%, fluorgypsum 2.8%, pelelith 5.8%, quartz sand 33%, modified plane tree bark
1.21%, flyash 6%, castor oil 0.036%, polyvinyl alcohol 0.026%, Sodium Polyacrylate 0.052%, surplus are water；
Wherein, the preparation step of modified plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 18 μm, it is spare；
2) plane tree bark powder is immersed in the sodium hydroxide solution that the mass concentration of 5 times of amounts of its quality is 34% and is soaked
Bubble processing 2.6h；
3) it is subsequently added into the silicic acid of 1.7 times of plane tree bark powder quality amounts, the microwave treatment 4min for being 170W with power,
Obtain mixed liquor；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction
1.5h filters to obtain filter residue, and by filter residue ethanol washing, drying obtains modified plane tree bark.
The preparation method of the wet mixing mortar of the resistance to compression moisturizing, comprising the following steps:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, then
Gangue, fluorgypsum, pelelith, quartz sand is added, stirs evenly, obtains mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
Comparative example 1
On the basis of embodiment 5, with plane tree bark substituting modification plane tree bark, remaining and the complete phase of embodiment 5
Together.
Comparative example 2
On the basis of embodiment 5, this component of pelelith is deleted, remaining is identical with embodiment 5.
Comparative example 3
On the basis of embodiment 5, this component of fluorgypsum is deleted, remaining is identical with embodiment 5.
Comparative example 4
On the basis of embodiment 5, two kinds of components of pelelith and fluorgypsum are deleted, remaining is identical with embodiment 5.
Comparative example 5
On the basis of embodiment 5, with plane tree bark substituting modification plane tree bark, and pelelith and fluorgypsum are deleted
Two kinds of components, remaining is identical with embodiment 5.
Wet mixing mortar made from above-described embodiment 1-5 and comparative example 1-5 is tested for the property, test result such as table 1
It is shown.
The performance of mortar made from each example of table 1
As can be seen from Table 1: wet mixing mortar of the present invention has excellent moisture retention (delamination degree 12-15mm), pressure resistance
Degree (28d compression strength is 26.3-27.1MPa), meanwhile, also having preferable adhesive strength, (14d adhesion strength is 0.40-
0.45MPa), anti-contracility can (28d shrinking percentage is 0.0812-0.0849%) and working performance (initial consistency 94-
107mm, 10h consistency are 80-98mm, operable time 13.0-15.0h), it can satisfy construction requirement；5 He of comparative example
Comparative example 1-5, illustrate the present invention be under the synergistic effect of modified plane tree bark, pelelith, fluorgypsum and remaining component,
Just there is so excellent resistance to compression performance of keeping humidity.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of wet mixing mortar of resistance to compression moisturizing, which is characterized in that according to mass percent meter, be made of following raw material: cement
18-22%, gangue 6-8%, fluorgypsum 2.0-3.5%, pelelith 5-7%, quartz sand 30-34%, modified plane tree bark
1.1-1.3%, flyash 4-7%, castor oil 0.03-0.04%, polyvinyl alcohol 0.024-0.027%, Sodium Polyacrylate
0.050-0.054%, surplus are water；
The preparation step of the modification plane tree bark are as follows:
1) plane tree bark is dried, pulverizes the plane tree bark powder at 15-18 μm, it is spare；
It 2) is in the sodium hydroxide solution of 32-35% by the 4-5 times of mass concentration measured that plane tree bark powder is immersed in its quality
Immersion treatment 2-3h；
3) the 1.5-1.8 times of silicic acid measured of plane tree bark powder quality, the microwave treatment for being 160-180W with power are subsequently added into
3-5min obtains mixed liquor；
4) nitrogen is filled with into mixed liquor with abundant deoxygenation, adds nine water ferric nitrates and trimethyl citrate reaction 1-2h, mistake
Filter residue is filtered to obtain, by filter residue ethanol washing, drying obtains modified plane tree bark.
2. the wet mixing mortar of resistance to compression moisturizing according to claim 1, which is characterized in that according to mass percent meter, by with
Lower raw material composition: cement 19-21%, gangue 6.8-7.4%, fluorgypsum 2.6-3.0%, pelelith 5.5-6.0%, quartz sand
32-33%, modified plane tree bark 1.20-1.24%, flyash 5-6%, castor oil 0.034-0.037%, polyvinyl alcohol
0.025-0.026%, Sodium Polyacrylate 0.052-0.053%, surplus are water.
3. the wet mixing mortar of resistance to compression moisturizing according to claim 2, which is characterized in that according to mass percent meter, by with
Lower raw material composition: cement 20%, gangue 7.2%, fluorgypsum 2.8%, pelelith 5.8%, quartz sand 33%, modified plane tree
Bark 1.21%, flyash 6%, castor oil 0.036%, polyvinyl alcohol 0.026%, Sodium Polyacrylate 0.052%, surplus are
Water.
4. the preparation method of the wet mixing mortar of resistance to compression moisturizing according to claim 1 to 3, which is characterized in that including with
Lower step:
(1) modified plane tree bark is mixed with Sodium Polyacrylate, the water of formula ratio half is added, stirs evenly, is subsequently added into
Gangue, fluorgypsum, pelelith, quartz sand, stir evenly, and obtain mixture one；
(2) cement and flyash are uniformly mixed, remaining water is added, stirs evenly, obtain mixture two；
(3) mixture one and mixture two are uniformly mixed, castor oil and polyvinyl alcohol is added, stirs evenly, obtains.
5. application of the wet mixing mortar of resistance to compression moisturizing according to claim 1 to 3 in terms of preparing mortar for building.
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| CN107721320B (en) * | 2017-11-18 | 2020-04-10 | 长沙三树新材料科技有限公司 | Water-retention anti-caking dry-mixed mortar |
| CN111646743A (en) * | 2020-07-15 | 2020-09-11 | 浙江忠信新型建材股份有限公司 | Bonding mortar for bonding smooth interface and preparation method thereof |
| CN112321250A (en) * | 2020-09-28 | 2021-02-05 | 永安市永福混凝土工程有限公司 | Compression-resistant moisture-retaining wet-mixed mortar and preparation method thereof |
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| CN105948561A (en) * | 2016-04-21 | 2016-09-21 | 张伟 | Wet-mixed mortar additive |
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