CN106747192A - A kind of wet mixing mortar of resistance to compression moisturizing and preparation method thereof - Google Patents
A kind of wet mixing mortar of resistance to compression moisturizing and preparation method thereof Download PDFInfo
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- CN106747192A CN106747192A CN201611170638.5A CN201611170638A CN106747192A CN 106747192 A CN106747192 A CN 106747192A CN 201611170638 A CN201611170638 A CN 201611170638A CN 106747192 A CN106747192 A CN 106747192A
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- Prior art keywords
- tree bark
- plane tree
- wet mixing
- compression
- water
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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
Abstract
The invention discloses a kind of wet mixing mortar of resistance to compression moisturizing and preparation method thereof, the wet mixing mortar is made up of according to mass percent meter 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%, balance of water；The preparation of modified plane tree bark：Dries pulverizing, soaking with sodium hydroxide treatment, plus silicic acid microwave treatment, are filled with nitrogen, add nine water ferric nitrates and trimethyl citrate to react 1 2h, filter to obtain filter residue, are washed with ethanol, dry, and obtain.Wet mixing mortar of the present invention under the synergy of modified plane tree bark, pelelith, fluorgypsum and remaining component, with excellent moisture retention, compression strength.
Description
Technical field
The present invention relates to building material technical field, specifically a kind of wet mixing mortar of resistance to compression moisturizing and preparation method thereof.
Background technology
Wet mixing mortar is according to certain in mixing plant by cement, water, sand, mineral admixture and various functions additive
The mortar that mixes of ratio, main at present with wet-mixing decorative mortar, wet-mixing masonry mortar, wet-mixing terrace mortar and wet-mixing are anti-
Based on water sand slurry.Because wet mixing mortar is needed at the appointed time using finishing, and in transport and storage, by time, weather
The influence of condition etc., the denseness of mortar is it may happen that loss, the performance of final mortar is it can also happen that change, is unfavorable for applying
Work.Therefore when wet mixing mortar needs to have water-retaining property higher and condensation more long with good plastic stability, i.e. mortar
Between, it is ensured that it is non-condensing before the use, do not isolate, not bleeding, and with good workability.Additionally, to wet-mixing sand
Adhesive strength and compression strength after slurry solidification also have certain requirement.
The content of the invention
It is an object of the invention to provide a kind of with excellent wet mixing mortar of resistance to compression moisture retention and preparation method thereof.
To achieve the above object, the present invention provides following technical scheme：
A kind of wet mixing mortar of resistance to compression moisturizing, according to mass percent meter, is made up of following raw material：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%,
Balance of water；
The preparation process of described modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 15-18 μm of plane tree bark powder；
2) plane tree bark powder is immersed in the 4-5 times of mass concentration measured of its quality for the NaOH of 32-35% is molten
Immersion treatment 2-3h in liquid；
3) the 1.5-1.8 times of silicic acid measured of plane tree bark powder quality is subsequently added into, with the microwave that power is 160-180W
Treatment 3-5min, obtains mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction 1- are added
2h, filters to obtain filter residue, and filter residue is washed with ethanol, drying, obtains modified plane tree bark.
As further scheme of the invention：According to mass percent meter, it is made up 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%, balance of water.
As further scheme of the invention：According to mass percent meter, it is made up 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%, balance of water.
The preparation method of the wet mixing mortar of described resistance to compression moisturizing, comprises the following steps：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, then
Gangue, fluorgypsum, pelelith, quartz sand are added, is stirred, obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
Application of the wet mixing mortar of described resistance to compression moisturizing in terms of mortar for building is prepared.
Compared with prior art, the beneficial effects of the invention are as follows：Wet mixing mortar of the present invention is in modified plane tree bark, volcano
Under the synergy of stone, fluorgypsum and remaining component, with excellent moisture retention (delamination degree is 12-15mm), compression strength
(28d compression strength is 26.3-27.1MPa), meanwhile, also with preferable adhesive strength, (14d adhesion strengths are 0.40-
0.45MPa), (initial consistency is 94- for anti-contracility energy (28d shrinkage factors are 0.0812-0.0849%) and service behaviour
107mm, 10h denseness are 80-98mm, and operable time is 13.0-15.0h), disclosure satisfy that construction requirement.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, 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
Into：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%, balance of water；
Wherein, the preparation process of modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 15 μm of plane tree bark powder；
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 treatment 2h；
3) 1.5 times of the plane tree bark powder quality silicic acid of amount are subsequently added into, with the microwave treatment 3min that power is 180W,
Obtain mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction 1h are added,
Filter residue is filtered to obtain, filter residue is washed with ethanol, dried, obtain modified plane tree bark.
The preparation method of the wet mixing mortar of described resistance to compression moisturizing, comprises the following steps：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, then
Gangue, fluorgypsum, pelelith, quartz sand are added, is stirred, obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
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
Into：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%, balance of water；
Wherein, the preparation process of modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 18 μm of plane tree bark powder；
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 treatment 3h；
3) 1.8 times of the plane tree bark powder quality silicic acid of amount are subsequently added into, with the microwave treatment 5min that power is 160W,
Obtain mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction 2h are added,
Filter residue is filtered to obtain, filter residue is washed with ethanol, dried, obtain modified plane tree bark.
The preparation method of the wet mixing mortar of described resistance to compression moisturizing, comprises the following steps：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, then
Gangue, fluorgypsum, pelelith, quartz sand are added, is stirred, obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
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
Into：Cement 19%, gangue 7.4%, fluorgypsum 2.6%, pelelith 6.0%, quartz sand 32%, modified plane tree bark
1.24%th, flyash 5%, castor oil 0.037%, polyvinyl alcohol 0.025%, Sodium Polyacrylate 0.053%, balance of water；
Wherein, the preparation process of modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 15 μm of plane tree bark powder；
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 treatment 2h；
3) 1.5 times of the plane tree bark powder quality silicic acid of amount are subsequently added into, with the microwave treatment 3min that power is 180W,
Obtain mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction 1h are added,
Filter residue is filtered to obtain, filter residue is washed with ethanol, dried, obtain modified plane tree bark.
The preparation method of the wet mixing mortar of described resistance to compression moisturizing, comprises the following steps：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, then
Gangue, fluorgypsum, pelelith, quartz sand are added, is stirred, obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
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
Into：Cement 21%, gangue 6.8%, fluorgypsum 3.0%, pelelith 5.5%, quartz sand 33%, modified plane tree bark
1.20%th, flyash 6%, castor oil 0.034%, polyvinyl alcohol 0.026%, Sodium Polyacrylate 0.052%, balance of water；
Wherein, the preparation process of modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 18 μm of plane tree bark powder；
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 treatment 3h；
3) 1.8 times of the plane tree bark powder quality silicic acid of amount are subsequently added into, with the microwave treatment 5min that power is 160W,
Obtain mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction 2h are added,
Filter residue is filtered to obtain, filter residue is washed with ethanol, dried, obtain modified plane tree bark.
The preparation method of the wet mixing mortar of described resistance to compression moisturizing, comprises the following steps：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, then
Gangue, fluorgypsum, pelelith, quartz sand are added, is stirred, obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
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
Into：Cement 20%, gangue 7.2%, fluorgypsum 2.8%, pelelith 5.8%, quartz sand 33%, modified plane tree bark
1.21%th, flyash 6%, castor oil 0.036%, polyvinyl alcohol 0.026%, Sodium Polyacrylate 0.052%, balance of water；
Wherein, the preparation process of modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 18 μm of plane tree bark powder；
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 treatment 2.6h；
3) 1.7 times of the plane tree bark powder quality silicic acid of amount are subsequently added into, with the microwave treatment 4min that power is 170W,
Obtain mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction are added
1.5h, filters to obtain filter residue, and filter residue is washed with ethanol, drying, obtains modified plane tree bark.
The preparation method of the wet mixing mortar of described resistance to compression moisturizing, comprises the following steps：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, then
Gangue, fluorgypsum, pelelith, quartz sand are added, is stirred, obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
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, pelelith this component is deleted, remaining is identical with embodiment 5.
Comparative example 3
On the basis of embodiment 5, fluorgypsum this component 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.
To above-described embodiment 1-5 and wet mixing mortar obtained in comparative example 1-5 carries out performance test, test result such as table 1
It is shown.
The performance of mortar obtained in 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 is 12-15mm), pressure resistance
Degree (28d compression strength is 26.3-27.1MPa), meanwhile, also with preferable adhesive strength, (14d adhesion strengths are 0.40-
0.45MPa), (initial consistency is 94- for anti-contracility energy (28d shrinkage factors are 0.0812-0.0849%) and service behaviour
107mm, 10h denseness are 80-98mm, and operable time is 13.0-15.0h), disclosure satisfy that construction requirement；The He of comparative example 5
Comparative example 1-5, illustrate the present invention be under the synergy 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 the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. a kind of wet mixing mortar of resistance to compression moisturizing, it is characterised in that according to mass percent meter, be made up 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%, balance of water；
The preparation process of described modified plane tree bark is：
1) plane tree bark is dried, ultramicro grinding is standby into 15-18 μm of plane tree bark powder；
2) plane tree bark powder is immersed in the sodium hydroxide solution that the 4-5 times of mass concentration measured of its quality is 32-35%
Immersion treatment 2-3h；
3) the 1.5-1.8 times of silicic acid measured of plane tree bark powder quality is subsequently added into, with the microwave treatment that power is 160-180W
3-5min, obtains mixed liquor；
4) toward nitrogen is filled with abundant deoxygenation in mixed liquor, nine water ferric nitrates and trimethyl citrate reaction 1-2h, mistake are added
Filter residue is filtered to obtain, filter residue is washed with ethanol, dried, obtain modified plane tree bark.
2. the wet mixing mortar of resistance to compression moisturizing according to claim 1, it is characterised 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%, balance of water.
3. the wet mixing mortar of resistance to compression moisturizing according to claim 2, it is characterised 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%, it is balance of
Water.
4. the preparation method of the wet mixing mortar according to any described resistance to compression moisturizings of claim 1-3, it is characterised in that including with
Lower step：
(1) modified plane tree bark is mixed with Sodium Polyacrylate, adds the water of formula ratio half, stirred, be subsequently added into
Gangue, fluorgypsum, pelelith, quartz sand, stir, and obtain mixture one；
(2) cement and flyash are well mixed, add remaining water, stirred, obtain mixture two；
(3) mixture one and mixture two are well mixed, add castor oil and polyvinyl alcohol, stirred, obtained.
5. application of the wet mixing mortar according to any described resistance to compression moisturizings of claim 1-3 in terms of mortar for building is prepared.
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| CN201611170638.5A CN106747192B (en) | 2016-12-16 | 2016-12-16 | A kind of wet mixing mortar and preparation method thereof of resistance to compression moisturizing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107721320A (en) * | 2017-11-18 | 2018-02-23 | 安徽省神洲建材科技有限公司 | A kind of water conservation 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 |
| US10865147B2 (en) * | 2017-09-12 | 2020-12-15 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | High strength concrete-like fluorogypsum-based blends and production methods |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261737A (en) * | 2014-09-17 | 2015-01-07 | 广州大学 | Wet-mixed mortar doped with ceramic waste residues and preparation method of wet-mixed mortar |
| CN105948561A (en) * | 2016-04-21 | 2016-09-21 | 张伟 | Wet-mixed mortar additive |
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- 2016-12-16 CN CN201611170638.5A patent/CN106747192B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261737A (en) * | 2014-09-17 | 2015-01-07 | 广州大学 | Wet-mixed mortar doped with ceramic waste residues and preparation method of wet-mixed mortar |
| CN105948561A (en) * | 2016-04-21 | 2016-09-21 | 张伟 | Wet-mixed mortar additive |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10865147B2 (en) * | 2017-09-12 | 2020-12-15 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | High strength concrete-like fluorogypsum-based blends and production methods |
| US11384019B2 (en) | 2017-09-12 | 2022-07-12 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | High-strength concrete-like fluorogypsum-based blends and production method |
| CN107721320A (en) * | 2017-11-18 | 2018-02-23 | 安徽省神洲建材科技有限公司 | A kind of water conservation 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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| Publication number | Publication date |
|---|---|
| CN106747192B (en) | 2019-04-16 |
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