CN110002785A - It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate - Google Patents
It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate Download PDFInfo
- Publication number
- CN110002785A CN110002785A CN201910286417.1A CN201910286417A CN110002785A CN 110002785 A CN110002785 A CN 110002785A CN 201910286417 A CN201910286417 A CN 201910286417A CN 110002785 A CN110002785 A CN 110002785A
- Authority
- CN
- China
- Prior art keywords
- high temperature
- aggregate
- mortar
- natural sand
- summer high
- Prior art date
- 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.)
- Pending
Links
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
- 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
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/304—Air-entrainers
-
- 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
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
- C04B2111/763—High temperatures
-
- 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
Use natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to mass percent, it is prepared from the following components: ethoxyl methyl cellulose ether 20-30%, starch ether 10-20%, xanthan gum 10-20%, sodium tripolyphosphate 15-30%, lithium magnesium silicate 1-5%, bentonite 20-40%, air entraining agent 5-10%, of the invention uses natural sand environmentally protective for the summer high temperature mortar additive of aggregate, it is nontoxic, it is pollution-free, addition content is low, cost performance is high, the high temperature mortar for having added additive has delayed the hydration reaction of cement, reduce the water loss of mortar at high temperature, consistency of mortar loss is small, water retention is high, intensity is high, save cement, inhibit mortar hollowing and cracking, improve construction efficiency.
Description
Technical field
The present invention relates to the field of building materials more particularly to a kind of use natural sand additional for the summer high temperature mortar of aggregate
Agent.
Background technique
Premixing mortar refers to be produced by specialized producer, for the various mortar mixtures in construction project, is China
A kind of New Building Materials that developed recently gets up can be divided into common premixing mortar and extraordinary mortar by performance.
20th century early fifties, European countries begin to mass production and using premixing mortars, have more than 50 years so far
Developing history, at home, the development of the developed regions such as Shanghai and Changzhou is very fast.Meanwhile many cities are also gradually being forbidden now
Site mortar promotes the use of premixing mortar.Its advantage is health environment-friendly, quality is stable, energy conservation is comfortable etc..With pre- sand cutting
Starch being widely applied in China, wherein also expose there are the problem of, for example needed as the mortar of aggregate using natural sand
Link is dried, in summer in use, due to environment temperature height, produces mortar after natural sand drying, mortar can not in a short time
Cooling, cause high temperature mortar to building-site use when consistency of mortar loss greatly, setting time is short, worker can not normal construction,
Influence the quality of construction speed and later period.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of of proposition uses natural sand for bone
The summer high temperature mortar additive of material, to effectively solve the defect that consistency of mortar loss is big, setting time is short in the prior art.
To achieve the above object, the invention provides the following technical scheme: using natural sand for bone the invention discloses a kind of
The summer high temperature mortar additive of material is prepared from the following components according to mass percent: ethoxyl methyl cellulose ether
20-30%, starch ether 10-20%, xanthan gum 10-20%, sodium tripolyphosphate 15-30%, lithium magnesium silicate 1-5%, bentonite 20-40%,
Air entraining agent 5-10%.
Preferably, using natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to matter
Percentage is measured, is prepared from the following components: ethoxyl methyl cellulose ether 20%, starch ether 10%, xanthan gum 10%, trimerization phosphorus
Sour sodium 20%, lithium magnesium silicate 3%, bentonite 30%, air entraining agent 7%.
Preferably, using natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to matter
Percentage is measured, is prepared from the following components: ethoxyl methyl cellulose ether 25%, starch ether 15%, xanthan gum 10%, trimerization phosphorus
Sour sodium 15%, lithium magnesium silicate 5%, bentonite 25%, three-iron saponin(e 5%.
Preferably, using natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to matter
Percentage is measured, is prepared from the following components: ethoxyl methyl cellulose ether 30%, starch ether 10%, xanthan gum 10%, trimerization phosphorus
Sour sodium 15%, lithium magnesium silicate 5%, bentonite 20%, air entraining agent 10%.
Preferably, the gelling temp of the ethoxyl methyl cellulose ether is 75 DEG C -90 DEG C, viscosity is 7.5 ten thousand -15
Ten thousand viscosity.
Preferably, the bentonite fineness is 325 mesh.
Preferably, the air entraining agent is powder triterpenoid saponin air entraining agent.
Preferably, the invention also discloses the preparations of the above-mentioned summer high temperature mortar additive for aggregate that uses natural sand
Method, the specific steps are as follows:
According to above-mentioned mass percent, each raw material is added in agravic blender and is stirred, is stirred 20 minutes, packaging is
It can.
Technical effect and advantage of the invention:
Ethoxyl methyl cellulose ether provides good water-retaining property at high temperature, and sufficient moisture is provided for hydrated cementitious, guarantees
Mortar strength；Starch ether and xanthan gum provide the application property of mortar and resist glidepath；Sodium tripolyphosphate and lithium magnesium silicate can prolong
The hydration rate of slow cement under the high temperature conditions guarantees that mortar has the ideal operating time；Triterpenoid saponin air entraining agent provides mortar
Application property, therefore each group in additive under the high temperature conditions is effectively guaranteed by selection raw material optimization of C/C composites in the present invention
Divide material to give full play to its effect, increases product excellent properties；
Of the invention uses natural sand environmentally protective, nontoxic, pollution-free for the summer high temperature mortar additive of aggregate, addition content
Low, cost performance is high, and the high temperature mortar for having added additive has delayed the hydration reaction of cement, reduced the water of mortar at high temperature
It shunts and loses, consistency of mortar loss is small, water retention is high, intensity is high, saves cement, inhibits mortar hollowing and cracking, improves construction effect
Rate.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment 1
Use natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to mass percent, by with
Lower component is prepared: ethoxyl methyl cellulose ether 20%, starch ether 10%, xanthan gum 10%, sodium tripolyphosphate 20%, magnesium silicate
Lithium 3%, bentonite 30%, air entraining agent 7%.
The gelling temp of the ethoxyl methyl cellulose ether is 80 DEG C, and viscosity is 100,000 viscosity.
The bentonite fineness is 325 mesh.
The air entraining agent is powder triterpenoid saponin air entraining agent.
The invention also discloses the preparation methods of the above-mentioned summer high temperature mortar additive for aggregate that uses natural sand, specifically
Steps are as follows:
According to above-mentioned mass percent, each raw material is added in agravic blender and is stirred, is stirred 20 minutes, packaging is
It can.
Embodiment 2
Use natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to mass percent, by with
Lower component is prepared: ethoxyl methyl cellulose ether 25%, starch ether 15%, xanthan gum 10%, sodium tripolyphosphate 15%, magnesium silicate
Lithium 5%, bentonite 25%, three-iron saponin(e 5%.
The gelling temp of the ethoxyl methyl cellulose ether is 75 DEG C, and viscosity is 7.5 ten thousand viscosity.
The bentonite fineness is 325 mesh.
The air entraining agent is powder triterpenoid saponin air entraining agent.
The invention also discloses the preparation methods of the above-mentioned summer high temperature mortar additive for aggregate that uses natural sand, specifically
Steps are as follows:
According to above-mentioned mass percent, each raw material is added in agravic blender and is stirred, is stirred 20 minutes, packaging is
It can.
Embodiment 3
Use natural sand for the summer high temperature mortar additive of aggregate the invention discloses a kind of, according to mass percent, by with
Lower component is prepared: ethoxyl methyl cellulose ether 30%, starch ether 10%, xanthan gum 10%, sodium tripolyphosphate 15%, magnesium silicate
Lithium 5%, bentonite 20%, air entraining agent 10%.
The gelling temp of the ethoxyl methyl cellulose ether is 90 DEG C, and viscosity is 150,000 viscosity.
The bentonite fineness is 325 mesh.
The air entraining agent is powder triterpenoid saponin air entraining agent.
The invention also discloses the preparation methods of the above-mentioned summer high temperature mortar additive for aggregate that uses natural sand, specifically
Steps are as follows:
According to above-mentioned mass percent, each raw material is added in agravic blender and is stirred, is stirred 20 minutes, packaging is
It can.
Table 1 is the mortar ingredient percentage and main physical and chemical index for being added to the finished product that embodiment 2 is prepared, specific number
According to being as follows:
Table 1
| Title | 1# | 2# | 3# | 4# | 5# |
| Mortar temperature DEG C | 65 | 70 | 75 | 80 | 65 |
| Cement % | 15 | 15 | 15 | 15 | 15 |
| Flyash % | 5 | 5 | 5 | 5 | 5 |
| Natural sand % | 80 | 80 | 80 | 80 | 80 |
| Additive % | 0.1 | 0.1 | 0.1 | 0.1 | 0 |
| Amount of water % | 15 | 15.8 | 16.3 | 16.9 | 17.3 |
| Consistency mm | 95 | 95 | 95 | 95 | 95 |
| Water retention % | 93.7 | 93.5 | 93.5 | 93.2 | 86.2 |
| 30min consistency loses % | 5 | 6 | 6 | 7 | 21 |
| Consistency loses % within 1 hour | 9 | 10 | 12 | 13 | 30 |
| Consistency loses % within 2 hours | 16 | 18 | 17 | 17 | 45 |
| Setting time h | 7.4 | 7.2 | 7.2 | 7.1 | 5 |
| Pull strength Mpa | 0.21 | 0.24 | 0.21 | 0.26 | 0.17 |
| 28 days compression strength Mpa | 7.3 | 7.7 | 7.2 | 7.8 | 10.0 |
Experimental design, same mortar mix ratio, different mortar temperatures, 1# mortar temperature are 65 DEG C, and 2# temperature is 70 DEG C, 3#
Mortar temperature is 75 DEG C, and 4# mortar temperature is 80 DEG C, and 5# is 65 DEG C of blank tests.By test, with the raising of temperature, mortar
The consistency loss of half an hour has increased slightly, 5# test, and the consistency loss that the mortar half an hour of additive is not added is very big, in this way
Worker needs again plus water mix uses, and the ratio of mud increases, and influences the performance of mortar, while reducing speed of application, by testing,
The mortar of the additive is added, is effectively reduced consistency of mortar loss, guarantees that worker there are enough operating times, do not need two
Secondary plus water mix, water retention is high, provides adequate water for hydrated cementitious, ensure that the later strength of mortar, improves mortar quality.
The additive solves mortar problems faced under summer high temperature after Chengdu market, Zhanjiang market and the use of Hubei market,
Obtain client's approval.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of use natural sand for the summer high temperature mortar additive of aggregate, it is characterised in that: according to mass percent, by with
Lower component is prepared: ethoxyl methyl cellulose ether 20-30%, starch ether 10-20%, xanthan gum 10-20%, sodium tripolyphosphate
15-30%, lithium magnesium silicate 1-5%, bentonite 20-40%, air entraining agent 5-10%.
A kind of use natural sand for the summer high temperature mortar additive of aggregate 2. according to claim 1, it is characterised in that:
According to mass percent, be prepared from the following components: ethoxyl methyl cellulose ether 20%, starch ether 10%, xanthan gum 10%,
Sodium tripolyphosphate 20%, lithium magnesium silicate 3%, bentonite 30%, air entraining agent 7%.
A kind of use natural sand for the summer high temperature mortar additive of aggregate 3. according to claim 1, it is characterised in that:
According to mass percent, be prepared from the following components: ethoxyl methyl cellulose ether 25%, starch ether 15%, xanthan gum 10%,
Sodium tripolyphosphate 15%, lithium magnesium silicate 5%, bentonite 25%, three-iron saponin(e 5%.
A kind of use natural sand for the summer high temperature mortar additive of aggregate 4. according to claim 1, it is characterised in that:
According to mass percent, be prepared from the following components: ethoxyl methyl cellulose ether 30%, starch ether 10%, xanthan gum 10%,
Sodium tripolyphosphate 15%, lithium magnesium silicate 5%, bentonite 20%, air entraining agent 10%.
5. according to claim 1-4 it is any described it is a kind of use natural sand for the summer high temperature mortar additive of aggregate, spy
Sign is: the gelling temp of the ethoxyl methyl cellulose ether is 75 DEG C -90 DEG C, and viscosity is 7.5 ten thousand -15 ten thousand viscosity.
6. according to claim 1-4 it is any described it is a kind of use natural sand for the summer high temperature mortar additive of aggregate, spy
Sign is: the bentonite fineness is 325 mesh.
7. according to claim 1-4 it is any described it is a kind of use natural sand for the summer high temperature mortar additive of aggregate, spy
Sign is: the air entraining agent is powder triterpenoid saponin air entraining agent.
8. -4 any described a kind of preparation for the summer high temperature mortar additive for aggregate that uses natural sand according to claim 1
Method, it is characterised in that: specific step is as follows: according to above-mentioned mass percent, each raw material is added in agravic blender and is stirred
It mixes, is stirred 20 minutes, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286417.1A CN110002785A (en) | 2019-04-10 | 2019-04-10 | It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286417.1A CN110002785A (en) | 2019-04-10 | 2019-04-10 | It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110002785A true CN110002785A (en) | 2019-07-12 |
Family
ID=67170939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286417.1A Pending CN110002785A (en) | 2019-04-10 | 2019-04-10 | It is a kind of to use natural sand for the summer high temperature mortar additive of aggregate |
Country Status (1)
| Country | Link |
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| CN (1) | CN110002785A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279592A (en) * | 2020-11-02 | 2021-01-29 | 南通城市轨道交通有限公司 | Water-dispersion-resistant synchronous grouting material for water-rich stratum |
| CN114149195A (en) * | 2021-12-29 | 2022-03-08 | 鄂尔多斯市中轩生化股份有限公司 | Tackifying and water-retaining agent for recycled aggregate mortar and preparation method thereof |
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| CN101403249A (en) * | 2008-11-17 | 2009-04-08 | 金勇云 | Anti-crack type energy-saving covering layer used for building exterior wall surface |
| EP2371792A1 (en) * | 2005-09-27 | 2011-10-05 | Akzo Nobel N.V. | Powder redispersible in water, process for production thereof and use thereof |
| CN104058626A (en) * | 2014-07-11 | 2014-09-24 | 北京博润佳科技有限公司 | Machine-made sand plastering mortar additive |
| CN105110692A (en) * | 2015-07-30 | 2015-12-02 | 北京博润佳科技有限公司 | Summer high-temperature plastering mortar additive taking natural sand as aggregate |
| CN108911571A (en) * | 2018-08-27 | 2018-11-30 | 四川聚力建材科技有限公司 | A kind of additional agent prescription and preparation method for Machine-blasting mortar |
-
2019
- 2019-04-10 CN CN201910286417.1A patent/CN110002785A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2371792A1 (en) * | 2005-09-27 | 2011-10-05 | Akzo Nobel N.V. | Powder redispersible in water, process for production thereof and use thereof |
| CN101403249A (en) * | 2008-11-17 | 2009-04-08 | 金勇云 | Anti-crack type energy-saving covering layer used for building exterior wall surface |
| CN104058626A (en) * | 2014-07-11 | 2014-09-24 | 北京博润佳科技有限公司 | Machine-made sand plastering mortar additive |
| CN105110692A (en) * | 2015-07-30 | 2015-12-02 | 北京博润佳科技有限公司 | Summer high-temperature plastering mortar additive taking natural sand as aggregate |
| CN108911571A (en) * | 2018-08-27 | 2018-11-30 | 四川聚力建材科技有限公司 | A kind of additional agent prescription and preparation method for Machine-blasting mortar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279592A (en) * | 2020-11-02 | 2021-01-29 | 南通城市轨道交通有限公司 | Water-dispersion-resistant synchronous grouting material for water-rich stratum |
| CN114149195A (en) * | 2021-12-29 | 2022-03-08 | 鄂尔多斯市中轩生化股份有限公司 | Tackifying and water-retaining agent for recycled aggregate mortar and preparation method thereof |
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Application publication date: 20190712 |