CN108409253A - A kind of mortar and preparation method thereof shortening setting time - Google Patents
A kind of mortar and preparation method thereof shortening setting time Download PDFInfo
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- CN108409253A CN108409253A CN201810470736.3A CN201810470736A CN108409253A CN 108409253 A CN108409253 A CN 108409253A CN 201810470736 A CN201810470736 A CN 201810470736A CN 108409253 A CN108409253 A CN 108409253A
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- parts
- mortar
- setting time
- auxiliary agent
- mixture
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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
- C04B28/02—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
- 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 mortars shortening setting time, include the raw material of following parts by weight：38 44 parts of portland cement, 18 24 parts of latex powder, 18 22 parts of cellulose diacetate, 16 20 parts of chlorination Calcium treatment sodium bentonite, 6 10 parts of polyacrylamide, is adjusted and coagulates 4 10 parts of auxiliary agent, aluminum sulfate 25 parts of flyash of doping 30 34 parts of quartz sand.A kind of mortar shortening setting time of the present invention, the mortar coagulation time reduce, and the intensity of mortar is not affected by setting time influence, improves work efficiency, and has higher use value and good application prospect.
Description
Technical field
The present invention relates to mortar technical fields, and in particular to a kind of mortar and preparation method thereof shortening setting time.
Background technology
Mortar be building on lay bricks use cohere substance, added water by a certain proportion of sand and cementing material,
It is mortar, also makees mortar, according to composition material, ordinary mortar can also be divided into：Lime mortar, by lime paste, sand and water by certain
Proportioning is made, be generally used for intensity requirement it is not high, not by moist masonry and coat of plaster：Cement mortar is pressed by cement, sand and water
Certain proportioning is made, and is generally used for masonry, metope or ground etc. in wet environment or water；Mixed mortar, in cement or lime
Appropriate admixture such as flyash, diatomite etc. is added in mortar to be made, and to save cement or lime consumption, and improves the sum of mortar
Yi Xing, common mixed mortar have cement-lime mortar, cement clay mortar and lime clay mortar etc..
Existing mortar coagulation time is long, then delays construction progress, causes construction inconvenient, Chinese patent literature is (open
Number：CN102030493B a kind of material and its application method for improving mortar coagulation time and operability) is disclosed, it
Raw material forms and in every m3Dosage in mortar is as follows：15~20kg of calcium-base bentonite；10~15kg of sodium bentonite；Lignin
1.2~1.5kg of sulfoacid calcium；0.5~1.0kg of sodium tripolyphosphate, the mortar coagulation time is long, delays construction progress.
Invention content
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of mortar shortening setting time, the mortars
Setting time reduces, and the intensity of mortar is not affected by setting time influence, improves work efficiency.
The present invention solves technical problem and adopts the following technical scheme that：
The present invention provides a kind of mortars shortening setting time, include the raw material of following parts by weight：
38-44 parts of portland cement, 30-34 parts of quartz sand, 18-24 parts of latex powder, 18-22 parts of cellulose diacetate, chlorine
Change 16-20 parts of Calcium treatment sodium bentonite, 6-10 parts of polyacrylamide, adjust and coagulate 4-10 parts of auxiliary agent, aluminum sulfate doping flyash 2-5
Part.
Preferably, the good waterproof mortar of the cracking resistance includes the raw material of following parts by weight：
41 parts of portland cement, 32 parts of quartz sand, 21 parts of latex powder, 20 parts of cellulose diacetate, chlorination Calcium treatment sodium base
18 parts of bentonite, 8 parts of polyacrylamide are adjusted and coagulate 7 parts of auxiliary agent, aluminum sulfate 3.5 parts of flyash of doping.
Preferably, the chlorination Calcium treatment sodium bentonite preparation method is to be ground sodium bentonite, crosses 20 mesh
Sieve, it is to be mixed, speed of agitator 155-175r/ in 92-96% calcium chloride solutions to be subsequently added to mass fraction
Min is then filtered, and is sent into baking oven and is dried, then is ground to powder to get chlorination Calcium treatment sodium bentonite.
Preferably, the calcium chloride, Na-bentonite soil material mass ratio be 3:10.
Preferably, described adjust coagulates auxiliary agent by melamine based water reducer, dispersion emulsion, mineral filler according to weight ratio 2:3:5 groups
At mixture.
Preferably, the dispersion emulsion is polystyrene microsphere lotion；The mineral filler is volcanic rock, bortz powder is pressed
According to weight ratio 3:The mixture of 1 composition.
Preferably, described adjust coagulates auxiliary agent preparation method for mineral filler, melamine based water reducer, dispersion emulsion to be added together
To being sheared in high-speed shearing machine, shearing rotating speed is 1500~2500rpm, and shear time is that 15~30min helps to get tune is solidifying
Agent.
Preferably, the aluminum sulfate adulterates the 10-14% that flyash in flyash accounts for total weight.
Preferably, flyash accounts for the 12% of total weight in the aluminum sulfate doping flyash.
The present invention also provides a kind of preparation methods for the mortar shortening setting time, include the following steps：
Step 1 weighs each component raw material as required；
Step 2 sequentially adds portland cement, quartz sand, latex powder, cellulose diacetate in homogenizer, turns
Speed is 1250-1350r/min, mixing time 35-45min, and mixture A is made；
Step 3, by chlorination Calcium treatment sodium bentonite, polyacrylamide, adjust coagulate auxiliary agent, aluminum sulfate adulterate flyash into
Row ultrasonic disperse, 25-35min is to get mixture B for dispersion；
Step 4 mixture B made from mixture A made from step 2, step 3 is added in high-speed mixer, rotating speed
For 1550-1650r/min, mixing time is 1-2 hours, and the mortar that can shorten setting time is made.
Compared with prior art, the present invention has following advantageous effect：
(1) present invention uses portland cement, quartz sand as main base, collocation latex powder, cellulose diacetate, sodium
The auxiliary materials such as base bentonite constitute stabilising system, are ensureing cement high-strength degree simultaneously, are shortening setting time.
(2) sodium bentonite is handled using calcium chloride, and single be used as using sodium bentonite is added in the prior art
Agent, calcium chloride are easy expansion, caking during Adsorption and desorption, and bentonite is met water and just expanded, and the two is combined, and plays collaboration,
It can promote setting time.
(3) melamine based water reducer is soluble easily in water, scattered to powder body material, and water-reducing rate is high, mobility and self-healing
Well, setting time can be shortened, dispersion emulsion, the mineral filler of addition, which constitute to adjust, coagulates auxiliary agent, mutually coordinated between raw material, rises
To synergistic effect, then further shorten setting time.
(4) aluminum sulfate can reduce cement setting time in the prior art, and aluminum sulfate is adulterated flyash by the present invention, makes sulphur
Sour aluminium powder coal ash mixing, flyash specific surface is big, plays synergistic effect with aluminum sulfate, then reduces cement setting time.
(5) a kind of mortar shortening setting time of the invention, which reduces, and the intensity of mortar is not
It is influenced, is improved work efficiency by setting time, there is higher use value and good application prospect.
Specific implementation mode
With reference to specific embodiment, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of mortar shortening setting time of the present embodiment, includes the raw material of following parts by weight：
38 parts of portland cement, 34 parts of quartz sand, 18 parts of latex powder, 18 parts of cellulose diacetate, chlorination Calcium treatment sodium base
16 parts of bentonite, 6 parts of polyacrylamide are adjusted and coagulate 4 parts of auxiliary agent, aluminum sulfate 2 parts of flyash of doping.
The chlorination Calcium treatment sodium bentonite preparation method of the present embodiment is to be ground sodium bentonite, crosses 20 mesh
Sieve, it is to be mixed, speed of agitator 155r/min, then in 92% calcium chloride solution to be subsequently added to mass fraction
It is filtered, is sent into baking oven and is dried, then be ground to powder to get chlorination Calcium treatment sodium bentonite.
The calcium chloride of the present embodiment, the mass ratio of Na-bentonite soil material are 3:10.
The tune of the present embodiment coagulates auxiliary agent by melamine based water reducer, dispersion emulsion, mineral filler according to weight ratio 2:3:5 compositions
Mixture.
The dispersion emulsion of the present embodiment is polystyrene microsphere lotion；The mineral filler is volcanic rock, bortz powder is pressed
According to weight ratio 3:The mixture of 1 composition.
It is that mineral filler, melamine based water reducer, dispersion emulsion are added together that the tune of the present embodiment, which coagulates auxiliary agent preparation method,
To being sheared in high-speed shearing machine, shearing rotating speed 1500rpm, shear time is that 15min coagulates auxiliary agent to get tune.
Flyash accounts for the 10% of total weight in the aluminum sulfate doping flyash of the present embodiment.
A kind of preparation method of mortar shortening setting time of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 sequentially adds portland cement, quartz sand, latex powder, cellulose diacetate in homogenizer, turns
Speed is 1250r/min, mixing time 35min, and mixture A is made；
Step 3, by chlorination Calcium treatment sodium bentonite, polyacrylamide, adjust coagulate auxiliary agent, aluminum sulfate adulterate flyash into
Row ultrasonic disperse, 25min is to get mixture B for dispersion；
Step 4 mixture B made from mixture A made from step 2, step 3 is added in high-speed mixer, rotating speed
For 1550r/min, mixing time is 1 hour, and the mortar that can shorten setting time is made.
Embodiment 2.
A kind of mortar shortening setting time of the present embodiment, includes the raw material of following parts by weight：
44 parts of portland cement, 34 parts of quartz sand, 24 parts of latex powder, 22 parts of cellulose diacetate, chlorination Calcium treatment sodium base
20 parts of bentonite, 10 parts of polyacrylamide are adjusted and coagulate 10 parts of auxiliary agent, aluminum sulfate 5 parts of flyash of doping.
The chlorination Calcium treatment sodium bentonite preparation method of the present embodiment is to be ground sodium bentonite, crosses 20 mesh
Sieve, it is to be mixed, speed of agitator 175r/min, then in 96% calcium chloride solution to be subsequently added to mass fraction
It is filtered, is sent into baking oven and is dried, then be ground to powder to get chlorination Calcium treatment sodium bentonite.
The calcium chloride of the present embodiment, the mass ratio of Na-bentonite soil material are 3:10.
The tune of the present embodiment coagulates auxiliary agent by melamine based water reducer, dispersion emulsion, mineral filler according to weight ratio 2:3:5 compositions
Mixture.
The dispersion emulsion of the present embodiment is polystyrene microsphere lotion；The mineral filler is volcanic rock, bortz powder is pressed
According to weight ratio 3:The mixture of 1 composition.
It is that mineral filler, melamine based water reducer, dispersion emulsion are added together that the tune of the present embodiment, which coagulates auxiliary agent preparation method,
To being sheared in high-speed shearing machine, shearing rotating speed 2500rpm, shear time is that 30min coagulates auxiliary agent to get tune.
Flyash accounts for the 14% of total weight in the aluminum sulfate doping flyash of the present embodiment.
A kind of preparation method of mortar shortening setting time of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 sequentially adds portland cement, quartz sand, latex powder, cellulose diacetate in homogenizer, turns
Speed is 1350r/min, mixing time 45min, and mixture A is made；
Step 3, by chlorination Calcium treatment sodium bentonite, polyacrylamide, adjust coagulate auxiliary agent, aluminum sulfate adulterate flyash into
Row ultrasonic disperse, 35min is to get mixture B for dispersion；
Step 4 mixture B made from mixture A made from step 2, step 3 is added in high-speed mixer, rotating speed
For 1650r/min, mixing time is 2 hours, and the mortar that can shorten setting time is made.
Embodiment 3.
A kind of mortar shortening setting time of the present embodiment, includes the raw material of following parts by weight：
41 parts of portland cement, 32 parts of quartz sand, 21 parts of latex powder, 20 parts of cellulose diacetate, chlorination Calcium treatment sodium base
18 parts of bentonite, 8 parts of polyacrylamide are adjusted and coagulate 7 parts of auxiliary agent, aluminum sulfate 3.5 parts of flyash of doping.
The chlorination Calcium treatment sodium bentonite preparation method of the present embodiment is to be ground sodium bentonite, crosses 20 mesh
Sieve, it is to be mixed, speed of agitator 160r/min, then in 94% calcium chloride solution to be subsequently added to mass fraction
It is filtered, is sent into baking oven and is dried, then be ground to powder to get chlorination Calcium treatment sodium bentonite.
The calcium chloride of the present embodiment, the mass ratio of Na-bentonite soil material are 3:10.
The tune of the present embodiment coagulates auxiliary agent by melamine based water reducer, dispersion emulsion, mineral filler according to weight ratio 2:3:5 compositions
Mixture.
The dispersion emulsion of the present embodiment is polystyrene microsphere lotion；The mineral filler is volcanic rock, bortz powder is pressed
According to weight ratio 3:The mixture of 1 composition.
It is that mineral filler, melamine based water reducer, dispersion emulsion are added together that the tune of the present embodiment, which coagulates auxiliary agent preparation method,
To being sheared in high-speed shearing machine, shearing rotating speed 2000rpm, shear time is that 22.5min coagulates auxiliary agent to get tune.
Flyash accounts for the 12% of total weight in the aluminum sulfate doping flyash of the present embodiment.
A kind of preparation method of mortar shortening setting time of the present embodiment, includes the following steps：
Step 1 weighs each component raw material as required；
Step 2 sequentially adds portland cement, quartz sand, latex powder, cellulose diacetate in homogenizer, turns
Speed is 1300r/min, mixing time 40min, and mixture A is made；
Step 3, by chlorination Calcium treatment sodium bentonite, polyacrylamide, adjust coagulate auxiliary agent, aluminum sulfate adulterate flyash into
Row ultrasonic disperse, 30min is to get mixture B for dispersion；
Step 4 mixture B made from mixture A made from step 2, step 3 is added in high-speed mixer, rotating speed
For 1600r/min, mixing time is 1.5 hours, and the mortar that can shorten setting time is made.
Comparative example 1.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that not using chlorination Calcium treatment sodium base swollen
Profit soil.
Comparative example 2.
It is with the material and preparation process of embodiment 3 essentially identical, have only unlike calcium chloride, Na-bentonite soil material
Mass ratio is 1:5.
Comparative example 3.
It is essentially identical with the material and preparation process of embodiment 3, have only unlike adjust coagulate auxiliary agent be not added with dispersion emulsion,
Mineral filler.
Comparative example 4.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that undoped with flyash in aluminum sulfate.
Comparative example 5.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that (open using Chinese patent literature
Number：CN102030493B it) discloses a kind of for improving mortar coagulation time and operational material and its application method implementation
Raw material and method in example 3.
Using Chinese patent literature (publication number：CN103771804B a kind of) hydrophobic plastering mortar mixed with tile polished waste
And index is tested in application method
Test result is as follows for mortar performance prepared by embodiment 3 and comparative example 1-5
It is obtained from embodiment 3 and comparative example 1-5, compression strength of the invention is not reduced because setting time shortens, is implemented
3 setting time of example shortens 9min relative to 5 presetting period of comparative example, and final setting time shortens 10min, has and significantly changes
It is kind.
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 of 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
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements 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 embodiment being appreciated that.
Claims (10)
1. a kind of mortar shortening setting time, which is characterized in that include the raw material of following parts by weight：
38-44 parts of portland cement, 30-34 parts of quartz sand, 18-24 parts of latex powder, 18-22 parts of cellulose diacetate, calcium chloride
16-20 parts of sodium bentonite, 6-10 parts of polyacrylamide are handled, adjusts and coagulates 4-10 parts of auxiliary agent, aluminum sulfate 2-5 parts of flyash of doping.
2. a kind of mortar shortening setting time according to claim 1, which is characterized in that the cracking resistance is good
Waterproof mortar includes the raw material of following parts by weight：
41 parts of portland cement, 32 parts of quartz sand, 21 parts of latex powder, 20 parts of cellulose diacetate, chlorination Calcium treatment Na-bentonite
18 parts of soil, 8 parts of polyacrylamide are adjusted and coagulate 7 parts of auxiliary agent, aluminum sulfate 3.5 parts of flyash of doping.
3. a kind of mortar shortening setting time according to claim 1, which is characterized in that the chlorination Calcium treatment sodium
Base bentonite preparation method is to be ground sodium bentonite, crosses 20 mesh sieve, and it is 92-96% chlorine to be subsequently added to mass fraction
Change in calcium solution, be mixed, speed of agitator 155-175r/min is then filtered, and is sent into baking oven and is dried
It is dry, then powder is ground to get chlorination Calcium treatment sodium bentonite.
4. a kind of mortar shortening setting time according to claim 3, which is characterized in that the calcium chloride, sodium base
The mass ratio of swelling soil material is 3:10.
5. a kind of mortar shortening setting time according to claim 1, which is characterized in that described adjust coagulates auxiliary agent by close
Amine system water-reducing agent, dispersion emulsion, mineral filler are according to weight ratio 2:3:The mixture of 5 compositions.
6. a kind of mortar shortening setting time according to claim 5, which is characterized in that the dispersion emulsion is poly-
Phenylethylene micro ball lotion；The mineral filler is volcanic rock, bortz powder according to weight ratio 3:The mixture of 1 composition.
7. a kind of mortar shortening setting time according to claim 5, which is characterized in that described adjust coagulates auxiliary agent preparation
Method is that mineral filler, melamine based water reducer, dispersion emulsion are added in high-speed shearing machine are sheared together, shearing rotating speed
For 1500~2500rpm, shear time is that 15~30min coagulates auxiliary agent to get tune.
8. a kind of mortar shortening setting time according to claim 1, which is characterized in that the aluminum sulfate adulterated flour
Flyash accounts for the 10-14% of total weight in coal ash.
9. a kind of mortar shortening setting time according to claim 8, which is characterized in that the aluminum sulfate adulterated flour
Flyash accounts for the 12% of total weight in coal ash.
10. a kind of claim 1-9 any one of them such as for preparing can shorten the method for the mortar of setting time, feature exists
In including the following steps：
Step 1 weighs each component raw material as required；
Step 2, portland cement, quartz sand, latex powder, cellulose diacetate are sequentially added in homogenizer, and rotating speed is
Mixture A is made in 1250-1350r/min, mixing time 35-45min；
Step 3 by chlorination Calcium treatment sodium bentonite, polyacrylamide, adjusts solidifying auxiliary agent, aluminum sulfate doping flyash to surpass
Sound disperses, and 25-35min is to get mixture B for dispersion；
Mixture B made from mixture A made from step 2, step 3 is added in high-speed mixer step 4, and rotating speed is
1550-1650r/min, mixing time are 1-2 hours, and the mortar that can shorten setting time is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810470736.3A CN108409253A (en) | 2018-05-17 | 2018-05-17 | A kind of mortar and preparation method thereof shortening setting time |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810470736.3A CN108409253A (en) | 2018-05-17 | 2018-05-17 | A kind of mortar and preparation method thereof shortening setting time |
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| CN108409253A true CN108409253A (en) | 2018-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112679190A (en) * | 2021-01-21 | 2021-04-20 | 广东碧通百年科技有限公司 | Reinforcing waterproof mortar for filling concrete bottom cavity |
| CN112809913A (en) * | 2021-01-05 | 2021-05-18 | 中建商品混凝土有限公司 | Method for preparing marble-imitated concrete by using sandstone powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891440A (en) * | 2010-07-23 | 2010-11-24 | 同济大学 | Special finish coat mortar with desulfurized gypsum as base material for wall insulation system |
| CN104402364A (en) * | 2014-10-27 | 2015-03-11 | 苏州市姑苏新型建材有限公司 | Rapid setting type (I type) polymer cement waterproof slurry and preparation method thereof |
| CN106927749A (en) * | 2017-03-10 | 2017-07-07 | 同济大学 | A kind of landscape moulding mortar and its application method |
-
2018
- 2018-05-17 CN CN201810470736.3A patent/CN108409253A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891440A (en) * | 2010-07-23 | 2010-11-24 | 同济大学 | Special finish coat mortar with desulfurized gypsum as base material for wall insulation system |
| CN104402364A (en) * | 2014-10-27 | 2015-03-11 | 苏州市姑苏新型建材有限公司 | Rapid setting type (I type) polymer cement waterproof slurry and preparation method thereof |
| CN106927749A (en) * | 2017-03-10 | 2017-07-07 | 同济大学 | A kind of landscape moulding mortar and its application method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809913A (en) * | 2021-01-05 | 2021-05-18 | 中建商品混凝土有限公司 | Method for preparing marble-imitated concrete by using sandstone powder |
| CN112679190A (en) * | 2021-01-21 | 2021-04-20 | 广东碧通百年科技有限公司 | Reinforcing waterproof mortar for filling concrete bottom cavity |
| CN112679190B (en) * | 2021-01-21 | 2022-07-05 | 广东碧通百年科技有限公司 | Reinforcing waterproof mortar for filling concrete bottom cavity |
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Application publication date: 20180817 |