CN106336139A - End-capping diethanolisopropanolamine efficient cement grinding aid and preparation method thereof - Google Patents
End-capping diethanolisopropanolamine efficient cement grinding aid and preparation method thereof Download PDFInfo
- Publication number
- CN106336139A CN106336139A CN201610718260.1A CN201610718260A CN106336139A CN 106336139 A CN106336139 A CN 106336139A CN 201610718260 A CN201610718260 A CN 201610718260A CN 106336139 A CN106336139 A CN 106336139A
- Authority
- CN
- China
- Prior art keywords
- industrial
- product
- blocking
- diethanol monoisopropanolamine
- grinding aid
- 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
- 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
- C04B2103/52—Grinding aids; Additives added during grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides an end-capping diethanolisopropanolamine efficient cement grinding aid and a preparation method thereof, wherein the end-capping diethanolisopropanolamine efficient cement grinding aid comprises, by mass, 0-20% of triethanolamine, 0-20% of diethanolisopropanolamine, 5-25% of end-capping diethanolisopropanolamine, 0-10% of industrial by-product molasses, 5-25% of a coal-to-ethylene glycol waste liquid, 0-15% of industrial by-product sodium chloride, and 20-80% of water. According to the present invention, with the end-capping diethanolisopropanolamine efficient cement grinding aid, the 3-day cement strength can be improved while the 28-day cement strength can be improved, and the later-stage strength can be substantially improved and is generally higher than the later-stage strength of triisopropanolamine.
Description
Technical field
The invention belongs to Field of Fine Chemicals, more particularly, to a kind of end-blocking diethanol monoisopropanolamine high-efficiency cement grinding aid
Agent and preparation method thereof.
Background technology
Modern cement grinding aid technology is in Rapid development stage, and product is put forward higher requirement.80 years 20th century
In generation, proposes the concept of quality improving agent, specify that cement grinding aid can promote the aquation of cement, and can improve cement
Quality, has significant economic and social benefit.The wide variety of high-efficiency concrete grinding aid of Current Domestic, how to have promotion
The alcaminess material of hydrated cementitious function is the product system of core, particularly three tertiary amines compounds.Triisopropanolamine
(tipa) and triethanolamine (tea) occupies anteposition, diethanol monoisopropanolamine (deipa) be another kind be widely used new
Trihydroxy tertiary amine, can not only improve the early anti pressured intension of portland cement, also can significantly improve the later stage comprcssive strength of cement.
Diethanol monoisopropanolamine starts the nineties in 20th century to produce, and is a kind of nontoxic, it is low to the zest of skin
In triethanolamine, environment amenable alcaminess fine chemical product, be mainly used in surfactant, cement grinding aid,
The application of the field such as cosmetics of everyday use and fabric softening agent is more, and production and consumption is concentrated mainly on China, the U.S., Korea S, India, Europe
The countries and regions such as continent.China started scale industrial production in 2011, and the consumer field overwhelming majority concentrates on cement
Agent.
Content of the invention
It is an object of the invention to breaking through the multiple restriction that now traditional cement grinding aid forms in raw materials technology, simultaneously
Produce the more high-tech requirement to cement grinding aid for meeting novel concrete, by excavating energetically and researching and developing improvement, provide one kind
End-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid and preparation method thereof.
The present invention provides one kind to be generally suitable for, and does not reduce the grinding aid quality of product, in terms of improving the unit-hour output of cement
There is better performance, raising strength of cement aspect performance is more excellent, reduce industrial waste salt discharge simultaneously, the useless utilization of danger, energy-conservation
Reduce discharging, be that social environmental pollution serves positive contribution, reach high efficiency cement composite grinding additive and its preparation of cost efficiency
Method.
A kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid that the present invention provides, including triethanolamine, diethyl
Alcohol monoisopropanolamine, coal-ethylene glycol waste liquid, industrial by-product molasses, industrial by-product sodium chloride, end-blocking diethanol monoisopropanolamine
And water, the mass percent of each component is: triethanolamine: 0%-20%, diethanol monoisopropanolamine: 0%-20%, blocks two
Ethanol monoisopropanolamine: 5%-25%, industrial by-product molasses: 0%-10%, coal-ethylene glycol waste liquid: 5%-25%, industry is secondary
Produce sodium chloride: 0%-15%, water: 20%-80%.
In a kind of end-blocking a kind of preferred embodiment of diethanol monoisopropanolamine high-efficiency concrete grinding aid that the present invention provides,
Described coal-ethylene glycol waste liquid predominantly includes ethylene glycol, diethylene glycol, glycerol, 1,2 butanediols, 1,4 butanediols, propylene glycol
Mixture.
In a kind of end-blocking a kind of preferred embodiment of diethanol monoisopropanolamine high-efficiency concrete grinding aid that the present invention provides,
Described industrial by-product molasses predominantly include the mixture of sucrose, reducing sugar.
A kind of preparation method of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid that the present invention provides, including following
Step:
Step one, industrial by-product sodium chloride are mixed with water: mass percent is existed for 0%-15% industrial by-product sodium chloride
It is added under room temperature in 20%-80% water and is thoroughly mixed until whole dissolve；
Step 2, addition triethanolamine, diethanol monoisopropanolamine are with end-blocking diethanol monoisopropanolamine: by percent mass
Number is 0%-20% triethanolamine, 0%-20% diethanol monoisopropanolamine and 5%-25% block diethanol monoisopropanolamine by
Step adds in above-mentioned mixed liquor and is uniformly mixed；
Step 3, addition industrial by-product molasses mixing: add the stirring mixing of 0%-10% industrial by-product molasses；
Step 4, addition coal-ethylene glycol waste liquid mixing: addition mass percent is 5%-25% coal-ethylene glycol waste liquid,
And be sufficiently stirred for more than 30 minutes finished product.
A kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid of the present invention and preparation method thereof has and has as follows
Beneficial effect:
Add water 3 days comprcssive strength raising values of cement mortar 1.0- higher than domestic like product of cement after cement grinding aids
2.0mpa, comprcssive strength can improve 2-4mpa within 28 days, and user can save grog 2%-4% more, and cement production enterprise client can reduce
About 5-13 yuan/ton of production cost.Cement raw material cost can significantly be reduced.The consumptive use of water normal consistence of cement changes very
Little.When end-blocking diethanol monoisopropanolamine, triethanolamine, diethanol monoisopropanolamine and coal-ethylene glycol waste liquid compound use,
There is fabulous grinding-aid effect.Highly significant is all had to improve cement early stage and later strength.After can increasing substantially very much
Phase intensity is taller more a lot of than triisopropanolamine.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained other according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is that a kind of preparation method of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid that the present invention provides is a kind of
The process chart of embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
A kind of described end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid 1 includes triethanolamine, diethanol list isopropyl
Hydramine, coal-ethylene glycol waste liquid, industrial by-product molasses, industrial by-product sodium chloride, end-blocking diethanol monoisopropanolamine and water, each group
The mass percent of part is: triethanolamine: 0%-20%, diethanol monoisopropanolamine: 0%-20%, blocks diethanol list isopropyl
Hydramine: 5%-25%, industrial by-product molasses: 0%-10%, coal-ethylene glycol waste liquid: 5%-25%, industrial by-product sodium chloride:
0%-15%, water: 20%-80%.
Described coal-ethylene glycol waste liquid predominantly includes ethylene glycol, diethylene glycol, glycerol, 1,2 butanediols, 1,4 fourths two
Alcohol, the mixture of propylene glycol.
Described industrial by-product molasses predominantly include the mixture of sucrose, reducing sugar.
Refer to Fig. 1, be a kind of preparation of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid that the present invention provides
A kind of process chart of embodiment of method.
A kind of preparation method of described end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid comprises the following steps:
Step s11, industrial by-product sodium chloride are mixed with water: mass percent is existed for 0%-15% industrial by-product sodium chloride
It is added under room temperature in 20%-80% water and is thoroughly mixed until whole dissolve；
Step s12, addition triethanolamine, diethanol monoisopropanolamine are with end-blocking diethanol monoisopropanolamine: by quality hundred
Fraction 0%-20% triethanolamine, 0%-20% diethanol monoisopropanolamine and 5%-25% end-blocking diethanol monoisopropanolamine by
Step adds in above-mentioned mixed liquor and is uniformly mixed；
Step s13, addition industrial by-product molasses mixing: add the stirring mixing of 0%-10% industrial by-product molasses；
Step s14, addition coal-ethylene glycol waste liquid mixing: add mass percent to give up for 5%-25% coal-ethylene glycol
Liquid, and be sufficiently stirred for more than 30 minutes finished product.
A kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid 1 of the present invention and preparation method thereof has and has as follows
Beneficial effect:
Add water 3 days comprcssive strength raising values of cement mortar 1.0- higher than domestic like product of cement after cement grinding aids
2.0mpa, comprcssive strength can improve 2-4mpa within 28 days, and user can save grog 2%-4% more, and cement production enterprise client can reduce
About 5-13 yuan/ton of production cost.Cement raw material cost can significantly be reduced.The consumptive use of water normal consistence of cement changes very
Little.When end-blocking diethanol monoisopropanolamine, triethanolamine, diethanol monoisopropanolamine and coal-ethylene glycol waste liquid compound use,
There is fabulous grinding-aid effect.Highly significant is all had to improve cement early stage and later strength.After can increasing substantially very much
Phase intensity is taller more a lot of than triisopropanolamine.
A kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid 1 of the present invention is tested as follows, to test
Its grinding-aid effect:
In grog: desulfurated plaster: limestone: flyash: the ratio dispensing of slag=70:5:5:10:10, tested number 5 is public
Jin, go out to grind and outside cement, mix slag powders 15%, grinding aid is pressed and set volume Deca, and test is divided into 3 groups, and grinding aid, x are not mixed in w experiment
Sample mixes 1# grinding aid, and y test mixes 2# grinding aid, and z test mixes 3# grinding aid, and various material mixs are uniformly used afterwards Test mill grinding 25min, goes out to grind cement 0.045mm standard screen and Blain specific surface instrument is tested, and
Carry out strength of cement mortar performance test.Cement fineness presses gb/t1345-2005 " the cement fineness method of inspection (80 μm of screen analysises
Method) ", Test method for strength of hydraulic cement mortar presses gb/t17671-1999 " Test method for strength of hydraulic cement mortar (iso method) ".Cement ratio
Gb/t8074-2008 " Method of determination for specific surface of cement (Bo Shi method) " is pressed in surface area test, cement normal consistency water consumption, solidifying
Knot time, the stability method of inspection press gb/t1346-2011 " cement normal consistency water consumption, setting time, stability inspection party
Method ".
Result of the test table 1
Table 2 cement physical properties contrast
Analysis of experiments:
From result of the test, in cement pulverizing course, admixture x, y, z grinding aid truly has preferable grinding-aid effect,
0.045mm tails over and is decreased obviously, and specific surface area significantly improves, wherein the resultant effect in x2 and y3 sample preferably, x2 and blank sample w
Compare, 0.045mm tails over decline 4.1%, specific surface area improves 30m2/kg.Compared with blank sample w, 0.045mm tails over y3
Decline 5.1%, specific surface area improves 40m2/kg.
Cement normal consistency water consumption in w, x2, y3 and z2 sample presses the test of national Specification method, can be seen by table 2
Go out, the setting time of each cement sample and stability all meet national standard.Show to test filled x2, y3 and z2 grinding aid
This performance is had no adverse effect, 3d, 28d comprcssive strength and rupture strength all improve a lot.X2, y3 and z2 and blank sample w
Compare, 3d intensity increased 3.4mpa, 5.0mpa respectively, and 4.4mpa, 28d intensity increased 6.7mpa, 10.2mpa respectively,
And 8.9mpa.
Experiment conclusion:
By above experiment it can be seen that this end-blocking diethanol monoisopropanolamine, triethanolamine, diethanol monoisopropanolamine and
During coal-ethylene glycol waste liquid compound use, there is fabulous grinding-aid effect.All there is highly significant to cement early stage and later strength
Improve.Later strength can very be increased substantially, taller more a lot of than triisopropanolamine.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in the skills of other correlations
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid is it is characterised in that include triethanolamine, diethanol list
Isopropanolamine, coal-ethylene glycol waste liquid, industrial by-product molasses, industrial by-product sodium chloride, end-blocking diethanol monoisopropanolamine and water,
The mass percent of each component is: triethanolamine: 0%-20%, diethanol monoisopropanolamine: 0%-20%, blocks diethanol list
Isopropanolamine: 5%-25%, industrial by-product molasses: 0%-10%, coal-ethylene glycol waste liquid: 5%-25%, industrial by-product chlorination
Sodium: 0%-15%, water: 20%-80%.
2. a kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid according to claim 1 is it is characterised in that institute
State coal-ethylene glycol waste liquid and predominantly include ethylene glycol, diethylene glycol, glycerol, 1,2 butanediols, 1,4 butanediols, propylene glycol etc.
Mixture.
3. a kind of end-blocking diethanol monoisopropanolamine high-efficiency concrete grinding aid according to claim 1 is it is characterised in that institute
State the mixture that industrial by-product molasses predominantly include sucrose, reducing sugar.
4. a kind of claim 1 any one described a kind of end-blocking diethanol monoisopropanolamine High-efficient Water to claim 3
The preparation method of cement grinding aids is it is characterised in that comprise the following steps:
Step one, industrial by-product sodium chloride are mixed with water: by mass percent for 0%-15% industrial by-product sodium chloride in room temperature
Under be added in 20%-80% water and be thoroughly mixed until whole dissolve；
Step 2, addition triethanolamine, diethanol monoisopropanolamine are with end-blocking diethanol monoisopropanolamine: mass percent is
0%-20% triethanolamine, 0%-20% diethanol monoisopropanolamine and 5%-25% end-blocking diethanol monoisopropanolamine progressively add
Enter in above-mentioned mixed liquor and be uniformly mixed；
Step 3, addition industrial by-product molasses mixing: add the stirring mixing of 0%-10% industrial by-product molasses；
Step 4, addition coal-ethylene glycol waste liquid mixing: addition mass percent is 5%-25% coal-ethylene glycol waste liquid, and fills
Point stirring more than 30 minutes finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610718260.1A CN106336139A (en) | 2016-08-25 | 2016-08-25 | End-capping diethanolisopropanolamine efficient cement grinding aid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610718260.1A CN106336139A (en) | 2016-08-25 | 2016-08-25 | End-capping diethanolisopropanolamine efficient cement grinding aid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106336139A true CN106336139A (en) | 2017-01-18 |
Family
ID=57825800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610718260.1A Pending CN106336139A (en) | 2016-08-25 | 2016-08-25 | End-capping diethanolisopropanolamine efficient cement grinding aid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106336139A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673646A (en) * | 2017-10-19 | 2018-02-09 | 安阳市正强建材有限公司 | A kind of cement grinding aid and preparation method thereof |
| CN110240427A (en) * | 2019-05-22 | 2019-09-17 | 湖南昌迪环境科技有限公司 | A kind of cement slurry additive and its application and cement production process |
| CN111205009A (en) * | 2020-01-20 | 2020-05-29 | 聊城山水水泥有限公司 | Retarding cement grinding aid and preparation method and application thereof |
| CN116535122A (en) * | 2023-05-12 | 2023-08-04 | 辽宁天宝华瑞建材有限公司 | Grinding and activating method for steel slag and steel slag grinding-assisting activating agent |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503233A (en) * | 2011-10-19 | 2012-06-20 | 沈阳建筑大学 | Novel liquid cement grinding aid and preparation method thereof |
| CN102503235A (en) * | 2011-11-15 | 2012-06-20 | 绍兴试金石建材科技有限公司 | Efficient cement liquid grinding aid |
| CN102838311A (en) * | 2012-07-27 | 2012-12-26 | 浙江华骏建材有限公司 | Composite cement grinding aid and preparation method thereof |
| CN103073218A (en) * | 2013-01-24 | 2013-05-01 | 溧阳市精卫新型材料有限公司 | Novel cement grinding aid and preparation method thereof and application thereof |
| CN103265401A (en) * | 2013-04-24 | 2013-08-28 | 河南朝歌日光新能源股份有限公司 | Method for recovering coal-to-glycol technology byproduct raffinate |
| CN103435288A (en) * | 2013-08-19 | 2013-12-11 | 济南大学 | Novel grinding enhancer and preparation and application thereof |
| CN104529229A (en) * | 2014-12-11 | 2015-04-22 | 山东宏艺科技股份有限公司 | Enhanced cement grinding aid |
-
2016
- 2016-08-25 CN CN201610718260.1A patent/CN106336139A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503233A (en) * | 2011-10-19 | 2012-06-20 | 沈阳建筑大学 | Novel liquid cement grinding aid and preparation method thereof |
| CN102503235A (en) * | 2011-11-15 | 2012-06-20 | 绍兴试金石建材科技有限公司 | Efficient cement liquid grinding aid |
| CN102838311A (en) * | 2012-07-27 | 2012-12-26 | 浙江华骏建材有限公司 | Composite cement grinding aid and preparation method thereof |
| CN103073218A (en) * | 2013-01-24 | 2013-05-01 | 溧阳市精卫新型材料有限公司 | Novel cement grinding aid and preparation method thereof and application thereof |
| CN103265401A (en) * | 2013-04-24 | 2013-08-28 | 河南朝歌日光新能源股份有限公司 | Method for recovering coal-to-glycol technology byproduct raffinate |
| CN103435288A (en) * | 2013-08-19 | 2013-12-11 | 济南大学 | Novel grinding enhancer and preparation and application thereof |
| CN104529229A (en) * | 2014-12-11 | 2015-04-22 | 山东宏艺科技股份有限公司 | Enhanced cement grinding aid |
Non-Patent Citations (1)
| Title |
|---|
| 曾凡等: "《矿物加工颗粒学》", 31 August 1995, 中国矿业大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673646A (en) * | 2017-10-19 | 2018-02-09 | 安阳市正强建材有限公司 | A kind of cement grinding aid and preparation method thereof |
| CN110240427A (en) * | 2019-05-22 | 2019-09-17 | 湖南昌迪环境科技有限公司 | A kind of cement slurry additive and its application and cement production process |
| CN110240427B (en) * | 2019-05-22 | 2022-01-14 | 湖南昌迪环境科技有限公司 | Cement raw material additive, application thereof and cement production process |
| CN111205009A (en) * | 2020-01-20 | 2020-05-29 | 聊城山水水泥有限公司 | Retarding cement grinding aid and preparation method and application thereof |
| CN116535122A (en) * | 2023-05-12 | 2023-08-04 | 辽宁天宝华瑞建材有限公司 | Grinding and activating method for steel slag and steel slag grinding-assisting activating agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106336139A (en) | End-capping diethanolisopropanolamine efficient cement grinding aid and preparation method thereof | |
| CN104150840B (en) | C60 full-manufactured sand super high-rise pump concrete | |
| CN107963855A (en) | A kind of super high strength high performance concrete and preparation method thereof | |
| CN106279705B (en) | A kind of anti-mud sacrifice agent of lignin and preparation method thereof and the application in concrete | |
| CN101423342B (en) | Nickel-chromium-iron alloy slag ultra-sulphate cement and preparation method thereof | |
| CN108424030A (en) | A kind of collapse protection type Concrete strength agent and its preparation method and application | |
| CN105330237A (en) | Baking-free brick produced from waste residues of concrete batching plant and preparation method thereof | |
| CN108863268A (en) | A kind of regeneration activity material based on building waste, preparation method and non-evaporating foamed bricks | |
| CN110258278A (en) | The press mortar and processing method to be come to nothing using microbial strains punishment cement pavement | |
| CN107382190A (en) | A kind of low viscosity high flowability C60 super high-rise pumping concrete based on ultra fine sand compounding | |
| CN109111179A (en) | It is a kind of for building the green cement sill of 3D printing | |
| CN106220016B (en) | Nickel slag base concrete swelling agent, preparation process and concrete | |
| CN103693908A (en) | Inorganic coating mortar taking ore smelting slag as main raw material and preparation method thereof | |
| CN108503251B (en) | Concrete additive and preparation method thereof | |
| CN110255943B (en) | Wet-grinding barium slag admixture and preparation method and application thereof | |
| CN107382112A (en) | A kind of composite gelled material | |
| CN106116202A (en) | High-performance water cement grinding aids containing waste vegetable oil and preparation thereof and using method | |
| CN106542752A (en) | A kind of native polywater mud material and preparation method thereof | |
| CN103723977B (en) | A kind of Solid waste composite inorganic facing mortar and preparation method thereof | |
| CN112028532B (en) | Full-solid waste sulphoaluminate early strength agent and preparation method and application thereof | |
| CN107417213A (en) | A kind of motar prepared using graphite tailing slag and its manufacture method | |
| CN110256012A (en) | A kind of novel environment friendly blending concrete and its preparation process | |
| CN107253834B (en) | A kind of regenerating and modifying slurry composition and preparation method thereof | |
| CN110156400A (en) | A kind of environment protection type water permeable binder and preparation method thereof | |
| CN105174850B (en) | A kind of environment-friendly and high-performance concrete of utilization industrial wastewater production and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
|
| RJ01 | Rejection of invention patent application after publication |