CN105924032A - Cement additive - Google Patents
Cement additive Download PDFInfo
- Publication number
- CN105924032A CN105924032A CN201610264541.4A CN201610264541A CN105924032A CN 105924032 A CN105924032 A CN 105924032A CN 201610264541 A CN201610264541 A CN 201610264541A CN 105924032 A CN105924032 A CN 105924032A
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- CN
- China
- Prior art keywords
- parts
- acryloyl chloride
- hexameta phosphate
- sodium hexameta
- cement
- 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.)
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a cement additive. The cement additive is prepared from, by weight, 35-45 parts of calcium oxide, 5-15 parts of calcium acetate, 10-20 parts of 2-mercaptopropionic acid, 5-15 parts of benzyl glycidyl ether, 15-25 parts of polydimethylsiloxane, 5-15 parts of isopropyl palmitate, 20-30 parts of zinc dialkyl dithiophosphate and 5-7 parts of a sodium hexametaphosphate and acryloyl chlorine mixture, and a weight part ratio of sodium hexametaphosphate to acryloyl chlorine is 4-6:1. The cement additive can substantially improve the compressive strength and the flexural strength of cement and improve the smoothness and the color of a cement product, the effect of the cement additive is concerned with the weight part ratio of sodium hexametaphosphate to acryloyl chlorine in the cement additive, and the effect is good when the part weight ratio of sodium hexametaphosphate to acryloyl chlorine is 4-6:1.
Description
Technical field
The present invention relates to municipal works, be specifically related to a kind of cement additire being applicable to municipal works.
Background technology
Along with social development, scientific and technological progress, improving constantly of mankind's actual life demand, especially in China, due to economical fluffy
The exhibition of breaking out, needs substantial amounts of capital construction, to meet modernization construction, at present, along with road, bridge house and other high level
Being on the increase of building, increasing cement additire is applied in above-mentioned construction.
Cement additire is a kind of chemical addition agent improving cement grinding effect and performance, produces when can significantly improve cement grinding mill platform
Amount and each age strength of cement.Cement additire can be greatly lowered in grinding process the Electrostatic Absorption bag ball phenomenon formed, and can
To reduce the coalescence trend again of the ultra-fine grain formed in grinding process, reduced grinding phenomenon.Cement additire also can be notable
Improve cement fluidity, improve grinding efficiency and the grinding efficiency of powder concentrator of grinding machine, thus reduce grinding energy.As one
Chemical activator, cement additire can improve concrete scroll and excite the hydration activity of each mixing material, thus improves cement early
Phase intensity and later strength.
Summary of the invention
It is an object of the invention to be to provide a kind of cement additire being applicable to municipal works, for improve cement intensity,
The combination properties such as wearability.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
A kind of cement additire for municipal works, is made up of the raw material of following weight portion: calcium oxide, 35～45 parts；Acetic acid
Calcium, 5～15 parts；2 mercaptopropionic acid, 10～20 parts；Benzyl glycidyl ether, 5～15 parts；Polydimethylsiloxane, 15～25
Part；Isopropyl palmitate, 5～15 parts；Zinc dialkyl dithiophosphate, 20～30 parts；Sodium hexameta phosphate and acryloyl chloride mixed
Compound, 5～7 parts；The weight ratio of described sodium hexameta phosphate and acryloyl chloride is 4～6:1.
Further, described cement additire is made up of the raw material of following weight portion: calcium oxide, 40 parts；Calcium acetate, 10 parts；
2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Polydimethylsiloxane, 20 parts；Isopropyl palmitate, 10
Part；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and the mixture of acryloyl chloride, 6 parts；Described sodium hexameta phosphate
It is 5:1 with the weight ratio of acryloyl chloride.
Further, described cement additire is made up of the raw material of following weight portion: calcium oxide, 35 parts；Calcium acetate, 5 parts；
2 mercaptopropionic acid, 10 parts；Benzyl glycidyl ether, 5 parts；Polydimethylsiloxane, 15 parts；Isopropyl palmitate, 5 parts；
Zinc dialkyl dithiophosphate, 20 parts；Sodium hexameta phosphate and the mixture of acryloyl chloride, 5 parts；Described sodium hexameta phosphate and third
The weight ratio of alkene acyl chlorides is 4:1.
Further, described cement additire is made up of the raw material of following weight portion: calcium oxide, 45 parts；Calcium acetate, 15 parts；
2 mercaptopropionic acid, 20 parts；Benzyl glycidyl ether, 15 parts；Polydimethylsiloxane, 25 parts；Isopropyl palmitate, 15
Part；Zinc dialkyl dithiophosphate, 30 parts；Sodium hexameta phosphate and the mixture of acryloyl chloride, 7 parts；Described sodium hexameta phosphate
It is 6:1 with the weight ratio of acryloyl chloride.
The preparation method of above-mentioned cement additire is: calcium oxide and calcium acetate first grind to form the fine powder that granularity is 0.08～0.12mm,
Again fine powder is mixed homogeneously with surplus stock.
A kind of strong concrete mixture for municipal works, containing above-mentioned cement additire.
Further, described cement additire accounts for the 0.08～0.12% of concrete mix gross weight.
Advantages of the present invention:
The cement additire that the present invention provides can significantly improve comprcssive strength and the rupture strength of cement, improves the light of cement products
Slippery and color, this may be relevant with the weight ratio of sodium hexameta phosphate in cement additire and acryloyl chloride, hexa metaphosphoric acid
When the weight ratio of sodium and acryloyl chloride is between 4～6:1, effect is preferable.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit scope with this.To the greatest extent
The present invention is explained in detail by pipe with reference to preferred embodiment, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of cement additire
Parts by weight of raw materials compares:
Calcium oxide, 40 parts；Calcium acetate, 10 parts；2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Poly-diformazan
Radical siloxane, 20 parts；Isopropyl palmitate, 10 parts；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and propylene
The mixture of acyl chlorides, 6 parts；The weight ratio of sodium hexameta phosphate and acryloyl chloride is 5:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
Embodiment 2: the preparation of cement additire
Parts by weight of raw materials compares:
Calcium oxide, 35 parts；Calcium acetate, 5 parts；2 mercaptopropionic acid, 10 parts；Benzyl glycidyl ether, 5 parts；Poly dimethyl
Siloxanes, 15 parts；Isopropyl palmitate, 5 parts；Zinc dialkyl dithiophosphate, 20 parts；Sodium hexameta phosphate and acryloyl chloride
Mixture, 5 parts；The weight ratio of described sodium hexameta phosphate and acryloyl chloride is 4:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
Embodiment 3: the preparation of cement additire
Parts by weight of raw materials compares:
Calcium oxide, 45 parts；Calcium acetate, 15 parts；2 mercaptopropionic acid, 20 parts；Benzyl glycidyl ether, 15 parts；Poly-diformazan
Radical siloxane, 25 parts；Isopropyl palmitate, 15 parts；Zinc dialkyl dithiophosphate, 30 parts；Sodium hexameta phosphate and propylene
The mixture of acyl chlorides, 7 parts；The weight ratio of sodium hexameta phosphate and acryloyl chloride is 6:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
Embodiment 4: the preparation of cement additire
Parts by weight of raw materials compares:
Calcium oxide, 40 parts；Calcium acetate, 10 parts；2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Poly-diformazan
Radical siloxane, 20 parts；Isopropyl palmitate, 10 parts；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and propylene
The mixture of acyl chlorides, 6 parts；The weight ratio of sodium hexameta phosphate and acryloyl chloride is 4:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
Embodiment 5: the preparation of cement additire
Parts by weight of raw materials compares:
Calcium oxide, 40 parts；Calcium acetate, 10 parts；2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Poly-diformazan
Radical siloxane, 20 parts；Isopropyl palmitate, 10 parts；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and propylene
The mixture of acyl chlorides, 6 parts；The weight ratio of sodium hexameta phosphate and acryloyl chloride is 6:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
The weight ratio of embodiment 6: comparative example, sodium hexameta phosphate and acryloyl chloride is 3:1
Parts by weight of raw materials compares:
Calcium oxide, 40 parts；Calcium acetate, 10 parts；2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Poly-diformazan
Radical siloxane, 20 parts；Isopropyl palmitate, 10 parts；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and propylene
The mixture of acyl chlorides, 6 parts；The weight ratio of sodium hexameta phosphate and acryloyl chloride is 3:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
The weight ratio of embodiment 7: comparative example, sodium hexameta phosphate and acryloyl chloride is 7:1
Parts by weight of raw materials compares:
Calcium oxide, 40 parts；Calcium acetate, 10 parts；2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Poly-diformazan
Radical siloxane, 20 parts；Isopropyl palmitate, 10 parts；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and propylene
The mixture of acyl chlorides, 6 parts；The weight ratio of sodium hexameta phosphate and acryloyl chloride is 7:1.
Preparation method: first calcium oxide and calcium acetate are ground to form the fine powder that granularity is 0.08～0.12mm, then by former with residue for fine powder
Material mix homogeneously.
Embodiment 8: effect example, comprcssive strength and rupture strength measure
Adding the cement additire of embodiment 1～7 preparation respectively in the preparation process of cement, addition is 0.1%.Then measure
28 days comprcssive strength (MPa) of each cement and rupture strength relative value (%).
| Cement additire is originated | 28 days comprcssive strength (MPa) | 28 days rupture strength relative value (%) |
| Embodiment 1 | 59.0 | 142 |
| Embodiment 4 | 54.5 | 131 |
| Embodiment 5 | 54.3 | 130 |
| Embodiment 6 | 43.6 | 105 |
| Embodiment 7 | 42.7 | 103 |
| Without | 41.5 | 100 |
The effect of embodiment 2,3 is basically identical with the effect of embodiment 4,5.
The above results shows, the cement additire that the present invention provides can significantly improve comprcssive strength and the rupture strength of cement.
Embodiment 9: effect example, smoothness and color test
Mix the cement additire of embodiment 1～7 preparation with the white cement of commercially available 32.5MPa strength grade respectively, produce size
For each 5 pieces of base substrates of smooth concrete plate brick of 300mm × 300mm × 60mm, the demoulding after standing 7 days at 20 ± 2 DEG C,
Observe product surface situation.10kg white cement adds 0.1kg cement additire.
| Cement additire is originated | Product surface situation |
| Embodiment 1 | Intact, smooth surface, glossy |
| Embodiment 4 | Intact, smooth surface, glossy |
| Embodiment 5 | Intact, smooth surface, glossy |
| Embodiment 6 | Surface smoothness is poor, tarnish degree |
| Embodiment 7 | Surface smoothness is poor, tarnish degree |
| Without | Surface smoothness is poor, tarnish degree |
The effect of embodiment 2,3 is basically identical with the effect of embodiment 4,5.
The above results shows, the cement additire that the present invention provides can significantly improve smoothness and the color of cement.
The effect of integrated embodiment 8 and embodiment 9 can be seen that, the cement additire that the present invention provides is remarkably improved concrete compression-resistanmodifier
Intensity and rupture strength, improve smoothness and the color of cement products, and this may be with sodium hexameta phosphate in cement additire and third
The weight ratio of alkene acyl chlorides is relevant, and when the weight ratio of sodium hexameta phosphate and acryloyl chloride is between 4～6:1, effect is preferable.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit protection scope of the present invention with this.
It will be understood by those within the art that, technical scheme can be modified or equivalent, and not take off
Essence and protection domain from technical solution of the present invention.
Claims (7)
1. a cement additire, it is characterised in that be made up of the raw material of following weight portion: calcium oxide, 35～45 parts；Acetic acid
Calcium, 5～15 parts；2 mercaptopropionic acid, 10～20 parts；Benzyl glycidyl ether, 5～15 parts；Polydimethylsiloxane, 15～25
Part；Isopropyl palmitate, 5～15 parts；Zinc dialkyl dithiophosphate, 20～30 parts；Sodium hexameta phosphate and acryloyl chloride mixed
Compound, 5～7 parts；The weight ratio of described sodium hexameta phosphate and acryloyl chloride is 4～6:1.
Cement additire the most according to claim 1, it is characterised in that be made up of the raw material of following weight portion: calcium oxide,
40 parts；Calcium acetate, 10 parts；2 mercaptopropionic acid, 15 parts；Benzyl glycidyl ether, 10 parts；Polydimethylsiloxane, 20
Part；Isopropyl palmitate, 10 parts；Zinc dialkyl dithiophosphate, 25 parts；Sodium hexameta phosphate and the mixture of acryloyl chloride,
6 parts；The weight ratio of described sodium hexameta phosphate and acryloyl chloride is 5:1.
Cement additire the most according to claim 1, it is characterised in that be made up of the raw material of following weight portion: calcium oxide,
35 parts；Calcium acetate, 5 parts；2 mercaptopropionic acid, 10 parts；Benzyl glycidyl ether, 5 parts；Polydimethylsiloxane, 15 parts；
Isopropyl palmitate, 5 parts；Zinc dialkyl dithiophosphate, 20 parts；Sodium hexameta phosphate and the mixture of acryloyl chloride, 5 parts；
The weight ratio of described sodium hexameta phosphate and acryloyl chloride is 4:1.
Cement additire the most according to claim 1, it is characterised in that be made up of the raw material of following weight portion: calcium oxide,
45 parts；Calcium acetate, 15 parts；2 mercaptopropionic acid, 20 parts；Benzyl glycidyl ether, 15 parts；Polydimethylsiloxane, 25
Part；Isopropyl palmitate, 15 parts；Zinc dialkyl dithiophosphate, 30 parts；Sodium hexameta phosphate and the mixture of acryloyl chloride,
7 parts；The weight ratio of described sodium hexameta phosphate and acryloyl chloride is 6:1.
5. the preparation method of the arbitrary described cement additire of Claims 1 to 4, it is characterised in that: first calcium oxide and calcium acetate are ground
Wear into the fine powder that granularity is 0.08～0.12mm, then fine powder is mixed homogeneously with surplus stock.
6. the strong concrete mixture for municipal works, it is characterised in that: arbitrary described containing Claims 1 to 4
Cement additire.
Strong concrete mixture the most according to claim 6, it is characterised in that: described cement additire accounts for concrete
The 0.08～0.12% of mixture total weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264541.4A CN105924032A (en) | 2016-04-23 | 2016-04-23 | Cement additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264541.4A CN105924032A (en) | 2016-04-23 | 2016-04-23 | Cement additive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105924032A true CN105924032A (en) | 2016-09-07 |
Family
ID=56836296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264541.4A Pending CN105924032A (en) | 2016-04-23 | 2016-04-23 | Cement additive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105924032A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173677A (en) * | 2010-11-29 | 2011-09-07 | 杨长文 | Inflaming retarding building heat insulation material and production method thereof |
| CN102531446A (en) * | 2011-11-15 | 2012-07-04 | 广东中匠工程建设有限公司 | Cement additive for municipal works and high-rise buildings |
-
2016
- 2016-04-23 CN CN201610264541.4A patent/CN105924032A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173677A (en) * | 2010-11-29 | 2011-09-07 | 杨长文 | Inflaming retarding building heat insulation material and production method thereof |
| CN102531446A (en) * | 2011-11-15 | 2012-07-04 | 广东中匠工程建设有限公司 | Cement additive for municipal works and high-rise buildings |
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Application publication date: 20160907 |