CN106082761A - A kind of retardation setting type cement grinding aid - Google Patents
A kind of retardation setting type cement grinding aid Download PDFInfo
- Publication number
- CN106082761A CN106082761A CN201610480811.5A CN201610480811A CN106082761A CN 106082761 A CN106082761 A CN 106082761A CN 201610480811 A CN201610480811 A CN 201610480811A CN 106082761 A CN106082761 A CN 106082761A
- Authority
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- China
- Prior art keywords
- parts
- grinding aid
- setting type
- cement grinding
- type cement
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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
- 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
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- 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 present invention relates to cement additive technical field, particularly to a kind of retardation setting type cement grinding aid, it is made up of the raw material of following weight portion: triethanolamine 18～28 parts, diethanol monoisopropanolamine 12～24 parts, sodium tartrate 2～8 parts, lauric acid amide of ethanol 5～17 parts, sodium gluconate 8～16 parts, poly-aspartate 6～14 parts, water 50～70 parts.The retardation setting type cement grinding aid of the present invention has a good retarding effect, and can improve the early anaphase intensity of cement, also helps the raising of maturing anti-blending freezing and thawing performance.
Description
Technical field
The present invention relates to cement additive technical field, particularly to a kind of retardation setting type cement grinding aid.
Background technology
Retarded cement grinding aid is mainly used under hot climate concrete, the mass concrete of construction and need to stop for a long time
Put or the cement concrete of long-distance transportation.The chemical composition of retarded cement grinding aid mainly has: hydroxycarboxylic acid material-winestone
Acid and salt etc. thereof, polyhydroxy carbohydrate-glucide and its ramification, molasses and modifier etc. thereof, lignin sulfonate, nothing
Machine compound, humic acids water reducer etc..Retarded cement grinding aid can extend the setting time of concrete, makes newly to mix coagulating cement
Soil keeps plasticity in a long time, is conducive to pouring molding and improving construction quality, suppresses hydration heat speed, heat release of slowing down
Speed and the reduction cement initial stage heat of hydration, thus prevent the appearance of thermal cracking in early days.Mix retarder and retardation water reducing agent mixes
Solidifying soil is slack-off due to the growth of early water compound, and has obtained evenly distribution and sufficiently growth, makes hydrated product overlap more
Add complete and closely knit, beneficially the raising of maturing anti-blending freezing and thawing performance.
Commonly use molasses in the market, sucrose is cooked retarded cement grinding aid, existing retarder poor effect, function
Single, and relatively costly.
Summary of the invention
The technical problem to be solved is to provide a kind of retardation setting type cement grinding aid, has good slow setting effect
Really, and the early anaphase intensity of cement can be improved, also help the raising of maturing anti-blending freezing and thawing performance.
For achieving the above object, technical scheme to be solved by this invention is:
The present invention provides a kind of retardation setting type cement grinding aid, is made up of the raw material of following weight portion: triethanolamine 18～28
Part, diethanol monoisopropanolamine 12～24 parts, sodium tartrate 2～8 parts, lauric acid amide of ethanol 5～17 parts, sodium gluconate
8～16 parts, poly-aspartate 6～14 parts, water 50～70 parts；Whole raw materials are mixed, at a temperature of 45～60 DEG C, stirring 25～
45min, can obtain product.
Preferably, retardation setting type cement grinding aid of the present invention, it is made up of the raw material of following weight portion: triethanolamine 20
～25 parts, diethanol monoisopropanolamine 15～21 parts, sodium tartrate 4～6 parts, lauric acid amide of ethanol 8～14 parts, glucose
Acid sodium 10～14 parts, poly-aspartate 8～12 parts, water 55～65 parts.
It is highly preferred that retardation setting type cement grinding aid of the present invention, it is made up of the raw material of following weight portion: triethanolamine
23 parts, diethanol monoisopropanolamine 18 parts, sodium tartrate 5 parts, lauric acid amide of ethanol 11 parts, sodium gluconate 12 parts, poly-
Aspartic acid 10 parts, 60 parts of water.
Preferably, the present invention is when preparing retardation setting type cement grinding aid, and described temperature is 50 DEG C.
Preferably, the present invention, when preparing retardation setting type cement grinding aid, stirs 30min.
The triethanolamine of the present invention and diethanol monoisopropanolamine, as the body surfaces activating agent of grinding aid, play very well
Grind-aiding effect, significantly improve unit-hour output, there is the flowing of the strongest dispersibility, beneficially cement powder, improve cement strong
Degree ability, simultaneously both can the complementary effect strengthened, it is possible to significantly improve cement early anaphase intensity；Sodium tartrate and glucose
Acid sodium compatibility, phase surface new to cement granules and hydrated product has stronger active function, is adsorbed in solid particles surface,
Delay the aquation of cement and the formation of paste structure, thus delay the time of cement retardative, meanwhile, in cement pulverizing course
The flowing velocity of the interior material of mill can be improved, improve the early strength of cement；The time of poly-aspartate scalable cement setting
With middle and late stage intensity, the grinding aid adaptability to cement can also be strengthened simultaneously；Lauric acid amide of ethanol is conducive to the coagulation that hardens
Soil is anti-to be mixed, freeze thawing resistance and the raising of endurance quality, additionally it is possible to the grinding aid performance that other material combination improves cement, when improving platform
Yield.
Compared to existing technology, the beneficial effects of the present invention is:
1, the retardation setting type cement grinding aid of the present invention not only has good grinding performance, also has good slow setting effect
Really, wherein initial set and final setting time difference are-80～+120min, and unit-hour output improves 31～38%, reduce grinding energy.
2, the retardation setting type cement grinding aid of the present invention can improve 3d and 28d bending and compressive strength, wherein 3d rupture strength
Improve 20～30%, 3d comprcssive strength 15～22%, 28d rupture strength improve 18～27%, 28d comprcssive strength improve 23～
32%.
3, the retardation setting type cement grinding aid of the present invention is conducive to the raising of maturing anti-blending freezing and thawing performance, wherein
Through measuring, mixing the cement of grinding aid of the present invention when preparing concrete, freeze thawing resistance cycle-index can reach 300 times.
4, the retardation setting type cement grinding aid of the present invention improves the adaptability of grinding aid, to be applicable to different grades of cement,
Increase range.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the invention is not limited in these embodiments.
Embodiment 1
A kind of retardation setting type cement grinding aid, is made up of the raw material of following weight portion: triethanolamine 28 parts, diethanol list isopropyl
Hydramine 12 parts, sodium tartrate 8 parts, lauric acid amide of ethanol 5 parts, sodium gluconate 16 parts, poly-aspartate 14 parts, water 70
Part；Whole raw materials are mixed, at a temperature of 45 DEG C, stirs 45min, product can be obtained.
Embodiment 2
A kind of retardation setting type cement grinding aid, is made up of the raw material of following weight portion: triethanolamine 20 parts, diethanol list isopropyl
Hydramine 21 parts, sodium tartrate 4 parts, lauric acid amide of ethanol 14 parts, sodium gluconate 10 parts, poly-aspartate 12 parts, water 55
Part；Whole raw materials are mixed, at a temperature of 50 DEG C, stirs 40min, product can be obtained.
Embodiment 3
A kind of retardation setting type cement grinding aid, is made up of the raw material of following weight portion: triethanolamine 23 parts, diethanol list isopropyl
Hydramine 18 parts, sodium tartrate 5 parts, lauric acid amide of ethanol 11 parts, sodium gluconate 12 parts, poly-aspartate 10 parts, water 60
Part；Whole raw materials are mixed, at a temperature of 55 DEG C, stirs 35min, product can be obtained.
Embodiment 4
A kind of retardation setting type cement grinding aid, is made up of the raw material of following weight portion: triethanolamine 25 parts, diethanol list isopropyl
Hydramine 15 parts, sodium tartrate 6 parts, lauric acid amide of ethanol 8 parts, sodium gluconate 14 parts, poly-aspartate 8 parts, 65 parts of water；
Whole raw materials are mixed, at a temperature of 60 DEG C, stirs 30min, product can be obtained.
Embodiment 5
A kind of retardation setting type cement grinding aid, is made up of the raw material of following weight portion: triethanolamine 18 parts, diethanol list isopropyl
Hydramine 24 parts, sodium tartrate 2 parts, lauric acid amide of ethanol 17 parts, sodium gluconate 8 parts, poly-aspartate 6 parts, 50 parts of water；
Whole raw materials are mixed, at a temperature of 50 DEG C, stirs 25min, product can be obtained.
Claims (5)
1. a retardation setting type cement grinding aid, it is characterised in that be made up of the raw material of following weight portion: triethanolamine 18～28
Part, diethanol monoisopropanolamine 12～24 parts, sodium tartrate 2～8 parts, lauric acid amide of ethanol 5～17 parts, sodium gluconate
8～16 parts, poly-aspartate 6～14 parts, water 50～70 parts；Whole raw materials are mixed, at a temperature of 45～60 DEG C, stirring 25～
45min, can obtain product.
Retardation setting type cement grinding aid the most according to claim 1, it is characterised in that be made up of the raw material of following weight portion:
Triethanolamine 20～25 parts, diethanol monoisopropanolamine 15～21 parts, sodium tartrate 4～6 parts, lauric acid amide of ethanol 8～
14 parts, sodium gluconate 10～14 parts, poly-aspartate 8～12 parts, water 55～65 parts.
Retardation setting type cement grinding aid the most according to claim 2, it is characterised in that be made up of the raw material of following weight portion:
Triethanolamine 23 parts, diethanol monoisopropanolamine 18 parts, sodium tartrate 5 parts, lauric acid amide of ethanol 11 parts, sodium gluconate
12 parts, poly-aspartate 10 parts, 60 parts of water.
Retardation setting type cement grinding aid the most according to claim 1, it is characterised in that: described temperature is 50 DEG C.
Retardation setting type cement grinding aid the most according to claim 1, it is characterised in that: stirring 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610480811.5A CN106082761A (en) | 2016-06-24 | 2016-06-24 | A kind of retardation setting type cement grinding aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610480811.5A CN106082761A (en) | 2016-06-24 | 2016-06-24 | A kind of retardation setting type cement grinding aid |
Publications (1)
| Publication Number | Publication Date |
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| CN106082761A true CN106082761A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610480811.5A Pending CN106082761A (en) | 2016-06-24 | 2016-06-24 | A kind of retardation setting type cement grinding aid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081629A (en) * | 2018-09-03 | 2018-12-25 | 济南大学 | A kind of no chlorine enhancing collapse protection type cement grinding aid and preparation method thereof |
| CN109399988A (en) * | 2018-12-07 | 2019-03-01 | 杭州中荷智慧城市科技有限公司 | A kind of cement concrete retarder |
| CN109437660A (en) * | 2018-12-29 | 2019-03-08 | 山东宏艺科技股份有限公司 | A kind of Ceramic Balls pulverizing cement auxiliary agent and preparation method thereof |
| 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 |
| CN111423152A (en) * | 2020-05-08 | 2020-07-17 | 华润水泥技术研发（广西）有限公司 | Special grinding aid for improving later strength of cement |
| CN113185175A (en) * | 2021-05-12 | 2021-07-30 | 北京金隅水泥节能科技有限公司 | Early strength cement grinding aid and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081629A (en) * | 2018-09-03 | 2018-12-25 | 济南大学 | A kind of no chlorine enhancing collapse protection type cement grinding aid and preparation method thereof |
| CN109081629B (en) * | 2018-09-03 | 2021-04-16 | 济南大学 | Chlorine-free enhanced slump retaining cement grinding aid and preparation method thereof |
| CN109399988A (en) * | 2018-12-07 | 2019-03-01 | 杭州中荷智慧城市科技有限公司 | A kind of cement concrete retarder |
| CN109437660A (en) * | 2018-12-29 | 2019-03-08 | 山东宏艺科技股份有限公司 | A kind of Ceramic Balls pulverizing cement auxiliary agent and preparation method thereof |
| CN109437660B (en) * | 2018-12-29 | 2020-12-15 | 临沂宏艺科技发展有限公司 | Ceramic ball grinding cement additive and preparation method thereof |
| 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 |
| CN111423152A (en) * | 2020-05-08 | 2020-07-17 | 华润水泥技术研发（广西）有限公司 | Special grinding aid for improving later strength of cement |
| CN113185175A (en) * | 2021-05-12 | 2021-07-30 | 北京金隅水泥节能科技有限公司 | Early strength cement grinding aid and preparation method thereof |
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Application publication date: 20161109 |
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