CN107459280A - A kind of High strength pumping agent and preparation method thereof - Google Patents
A kind of High strength pumping agent and preparation method thereof Download PDFInfo
- Publication number
- CN107459280A CN107459280A CN201710600597.7A CN201710600597A CN107459280A CN 107459280 A CN107459280 A CN 107459280A CN 201710600597 A CN201710600597 A CN 201710600597A CN 107459280 A CN107459280 A CN 107459280A
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- CN
- China
- Prior art keywords
- raw material
- naphthalene
- high strength
- formaldehyde condensation
- polyvinyl alcohol
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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
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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 invention discloses a kind of High strength pumping agent and preparation method thereof, belong to building material manufacture field.The High strength pumping agent is made up of based on the percentage composition of raw material gross weight following each raw material：β naphthalene iodates formaldehyde condensation products 35 45%, modified naphthalene sulfonate formaldehyde condensate 15 25%, sodium gluconate 2 4%, lauryl sodium sulfate 1 3%, hydroxypropyl starch ether 4 6%, HPMC 0.5 0.9%, polyvinyl alcohol 0.3 0.9% and water 15.8 32.2%.The invention also discloses the preparation method of above-mentioned pumping admixture.The pumping admixture of the present invention, intensity is high, stable performance, has the effect of high fluidisation, adhesive aggregation, lubrication, slow setting, applied widely, while water reducing ability is good.
Description
Technical field
The present invention relates to a kind of High strength pumping agent and preparation method thereof, belong to building material manufacture field.
Background technology
Concrete is building materials important in construction industry.Pumping admixture refers to that the additional of concrete mix pump-conveying property can be improved
Agent.So-called pump-conveying property, be exactly concrete mix have can pass through conveyance conduit, do not block, do not isolate, visco-plasticity it is good
Good performance.Traditional pumping admixture, cohesive strength is low, is not suitable with heavy industrialization use.It is right as civil engineering technology develops
The requirement more and more higher of concrete, it is desirable to which using C60, C80 is more and more extensive to C100 strong concretes, and therefore, having must
A kind of High strength pumping agent is studied, to solve the deficiencies in the prior art.
The content of the invention
One of mesh of the present invention, is to provide a kind of High strength pumping agent.The pumping admixture of the present invention, the anti-of concrete can be improved
Ooze, be freeze proof, durability, concrete slump loss can be reduced, water reducing ability is good, floride-free low alkali, reinforcing bar non-corroding is acted on, no
Alkali-aggregate reaction occurs, is suitable for transport and the pumping construction of long range, it is applied widely.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of High strength pumping agent, by the hundred of raw material gross weight
Divide content meter, be made up of following each raw material：β-naphthalene iodate formaldehyde condensation products 35-45%, modified naphthalene sulfonate formaldehyde condensate 15-
25%th, sodium gluconate 2-4%, lauryl sodium sulfate 1-3%, hydroxypropyl starch ether 4-6%, HPMC 0.5-
0.9%th, polyvinyl alcohol 0.3-0.9% and water 15.8-32.2%.
The present invention pumping admixture, using β-naphthalene iodate formaldehyde condensation products as main component, can be widely used for commerical ready-mixed concrete,
Pump concrete, skyscraper, railway, highway bridge, tunnel, underground engineering, hydraulic and electric engineering engineering, mass concrete, height
Reinforced concrete and deformed bar concrete project.The various technical indicators of the pumping admixture of the present invention are more than " pump in GB8076-2008
Send agent " standard.
The High strength pumping agent of the present invention is brown liquid, and density is 1.20 ± 0.02g/mL, solid aqueous rate≤10%, pH
It is worth for 7-9, chloride ion content is without flowing degree of net paste of cement >=200mm.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the percentage composition meter of raw material gross weight, it is made up of following each raw material：β-naphthalene iodate formaldehyde condensation products
40%th, modified naphthalene sulfonate formaldehyde condensate 20%, sodium gluconate 3%, lauryl sodium sulfate 2%, hydroxypropyl starch ether
5%th, HPMC 0.7%, polyvinyl alcohol 0.6% and water 28.7%.
The two of the mesh of the present invention, it is to provide the preparation method of above-mentioned High strength pumping agent.The preparation method of the present invention is simple, city
Field has a extensive future, and is adapted to large-scale production.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of preparation method of High strength pumping agent, including such as
Lower step：
(1) based on the percentage composition of raw material gross weight, the following raw material is weighed：β-naphthalene iodate formaldehyde condensation products 35-45%,
Modified naphthalene sulfonate formaldehyde condensate 15-25%, sodium gluconate 2-4%, lauryl sodium sulfate 1-3%, hydroxypropyl starch ether
4-6%, HPMC 0.5-0.9%, polyvinyl alcohol 0.3-0.9% and water 15.8-32.2%；
(2) first add water in mixer, then by β-naphthalene iodate formaldehyde condensation products, modified naphthalene sulfonate formaldehyde condensate,
Sodium gluconate, lauryl sodium sulfate, hydroxypropyl starch ether, HPMC, polyvinyl alcohol sequentially add mixer
In be stirred, dissolve 7-9 hours, produce the High strength pumping agent.
The beneficial effects of the invention are as follows：
(1) pumping admixture of the invention, can improve the impervious, freeze proof of concrete, durability, can reduce concrete slump damage
Lose, water reducing ability is good, floride-free low alkali, reinforcing bar non-corroding is acted on, is not in alkali-aggregate reaction, is suitable for the transport of long range
And pumping construction, it is applied widely.
(2) pumping admixture of the invention, using β-naphthalene iodate formaldehyde condensation products as main component, can be widely used for commodity coagulation
Soil, pump concrete, skyscraper, railway, highway bridge, tunnel, underground engineering, hydraulic and electric engineering engineering, mass concrete,
High-strength concrete and prestressed reinforced concrete engineering.The various technical indicators of the pumping admixture of the present invention are more than GB8076-
The standard of " pumping admixture " in 2008.
(3) preparation method of the invention is simple, wide market, is adapted to large-scale production.
Embodiment
The principle and feature of the present invention are described below in conjunction with specific embodiment, example is served only for explaining this hair
It is bright, it is not intended to limit the scope of the present invention.
Embodiment 1：
The High strength pumping agent of the present embodiment, based on the percentage composition of raw material gross weight, it is made up of following each raw material：β-naphthalene iodine
Hydrochlorate formaldehyde condensation products 45%, modified naphthalene sulfonate formaldehyde condensate 15%, sodium gluconate 2%, lauryl sodium sulfate 1%,
Hydroxypropyl starch ether 4%, HPMC 0.5%, polyvinyl alcohol 0.3% and water 32.2%.
The preparation method of above-mentioned High strength pumping agent, comprises the following steps：
(1) based on the percentage composition of raw material gross weight, the following raw material is weighed：β-naphthalene iodate formaldehyde condensation products 45%, change
Property naphthalene sulfonic acid-formaldehyde condensation product 15%, sodium gluconate 2%, lauryl sodium sulfate 1%, hydroxypropyl starch ether 4%, hydroxypropyl first
Base cellulose 0.5%, polyvinyl alcohol 0.3% and water 32.2%；
(2) first add water in mixer, then by β-naphthalene iodate formaldehyde condensation products, modified naphthalene sulfonate formaldehyde condensate,
Sodium gluconate, lauryl sodium sulfate, hydroxypropyl starch ether, HPMC, polyvinyl alcohol sequentially add mixer
In be stirred, dissolve 7 hours, produce the High strength pumping agent.
Embodiment 2：
The High strength pumping agent of the present embodiment, based on the percentage composition of raw material gross weight, it is made up of following each raw material：β-naphthalene iodine
Hydrochlorate formaldehyde condensation products 40%, modified naphthalene sulfonate formaldehyde condensate 20%, sodium gluconate 3%, lauryl sodium sulfate 2%,
Hydroxypropyl starch ether 5%, HPMC 0.7%, polyvinyl alcohol 0.6% and water 28.7%.
The preparation method of above-mentioned High strength pumping agent, comprises the following steps：
(1) based on the percentage composition of raw material gross weight, the following raw material is weighed：β-naphthalene iodate formaldehyde condensation products 40%, change
Property naphthalene sulfonic acid-formaldehyde condensation product 20%, sodium gluconate 3%, lauryl sodium sulfate 2%, hydroxypropyl starch ether 5%, hydroxypropyl first
Base cellulose 0.7%, polyvinyl alcohol 0.6% and water 28.7%；
(2) first add water in mixer, then by β-naphthalene iodate formaldehyde condensation products, modified naphthalene sulfonate formaldehyde condensate,
Sodium gluconate, lauryl sodium sulfate, hydroxypropyl starch ether, HPMC, polyvinyl alcohol sequentially add mixer
In be stirred, dissolve 8 hours, produce the High strength pumping agent.
Embodiment 3：
The High strength pumping agent of the present embodiment, based on the percentage composition of raw material gross weight, it is made up of following each raw material：β-naphthalene iodine
Hydrochlorate formaldehyde condensation products 45%, modified naphthalene sulfonate formaldehyde condensate 25%, sodium gluconate 4%, lauryl sodium sulfate 3%,
Hydroxypropyl starch ether 6%, HPMC 0.9%, polyvinyl alcohol 0.3% and water 15.8%.
The preparation method of above-mentioned High strength pumping agent, comprises the following steps：
(1) based on the percentage composition of raw material gross weight, the following raw material is weighed：β-naphthalene iodate formaldehyde condensation products 45%, change
Property naphthalene sulfonic acid-formaldehyde condensation product 25%, sodium gluconate 4%, lauryl sodium sulfate 3%, hydroxypropyl starch ether 6%, hydroxypropyl first
Base cellulose 0.9%, polyvinyl alcohol 0.3% and water 15.8%；
(2) first add water in mixer, then by β-naphthalene iodate formaldehyde condensation products, modified naphthalene sulfonate formaldehyde condensate,
Sodium gluconate, lauryl sodium sulfate, hydroxypropyl starch ether, HPMC, polyvinyl alcohol sequentially add mixer
In be stirred, dissolve 9 hours, produce the High strength pumping agent.
The volume of High strength pumping agent is the 15-25% of gel rubber material dosage obtained by embodiment 1-3, and water-reducing rate can reach 20-
25%.This product is mixed, concrete slump can be made to increase more than 10cm, under conditions of concrete cement and with collapsing, concrete 3
Its intensity can reach the 60-70% of design strength, and 7 days intensity does not less mix person up to 100%, 28 day intensity and improves 30-40%.
The performance indications of High strength pumping agent obtained by the present embodiment 1-3, as shown in table 1.
The performance indications of High strength pumping agent obtained by the embodiment 1-3 of table 1
As can be seen here, High strength pumping agent of the invention, can improve the impervious, freeze proof of concrete, durability, can reduce coagulation
Native slump-loss, water reducing ability is good, floride-free low alkali, reinforcing bar non-corroding is acted on, is not in alkali-aggregate reaction, is suitable for growing
The transport of distance and pumping construction, it is applied widely, and the various technical indicators of the pumping admixture of the present invention are more than GB8076-
The standard of " pumping admixture " in 2008.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (3)
1. a kind of High strength pumping agent, it is characterised in that based on the percentage composition of raw material gross weight, be made up of following each raw material：β-
Naphthalene iodate formaldehyde condensation products 35-45%, modified naphthalene sulfonate formaldehyde condensate 15-25%, sodium gluconate 2-4%, dodecane
Base sodium sulphate 1-3%, hydroxypropyl starch ether 4-6%, HPMC 0.5-0.9%, polyvinyl alcohol 0.3-0.9% and water
15.8-32.2%.
A kind of 2. High strength pumping agent according to claim 1, it is characterised in that the percentage composition meter of raw material gross weight, by
Following each raw material composition：β-naphthalene iodate formaldehyde condensation products 40%, modified naphthalene sulfonate formaldehyde condensate 20%, sodium gluconate
3%th, lauryl sodium sulfate 2%, hydroxypropyl starch ether 5%, HPMC 0.7%, polyvinyl alcohol 0.6% and water
28.7%.
3. a kind of preparation method of high intensity pumping admixture, it is characterised in that comprise the following steps：
(1) based on the percentage composition of raw material gross weight, the following raw material is weighed：β-naphthalene iodate formaldehyde condensation products 35-45%, modification
Naphthalene sulfonic acid-formaldehyde condensation product 15-25%, sodium gluconate 2-4%, lauryl sodium sulfate 1-3%, hydroxypropyl starch ether 4-
6%th, HPMC 0.5-0.9%, polyvinyl alcohol 0.3-0.9% and water 15.8-32.2%；
(2) first add water in mixer, then by β-naphthalene iodate formaldehyde condensation products, modified naphthalene sulfonate formaldehyde condensate, grape
Sodium saccharate, lauryl sodium sulfate, hydroxypropyl starch ether, HPMC, polyvinyl alcohol sequentially add in mixer
Row stirring, dissolving 7-9 hours, produce the high intensity pumping admixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600597.7A CN107459280A (en) | 2017-07-21 | 2017-07-21 | A kind of High strength pumping agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600597.7A CN107459280A (en) | 2017-07-21 | 2017-07-21 | A kind of High strength pumping agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107459280A true CN107459280A (en) | 2017-12-12 |
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ID=60546256
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600597.7A Pending CN107459280A (en) | 2017-07-21 | 2017-07-21 | A kind of High strength pumping agent and preparation method thereof |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559964A (en) * | 2004-02-26 | 2005-01-05 | 同济大学 | High performance concrete pumping agent controlling falling degree loss type |
| CN106007461A (en) * | 2016-05-30 | 2016-10-12 | 江苏名和集团有限公司 | High performance concrete pumping aid |
-
2017
- 2017-07-21 CN CN201710600597.7A patent/CN107459280A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559964A (en) * | 2004-02-26 | 2005-01-05 | 同济大学 | High performance concrete pumping agent controlling falling degree loss type |
| CN1285534C (en) * | 2004-02-26 | 2006-11-22 | 同济大学 | High performance concrete pumping agent controlling falling degree loss type |
| CN106007461A (en) * | 2016-05-30 | 2016-10-12 | 江苏名和集团有限公司 | High performance concrete pumping aid |
Non-Patent Citations (1)
| Title |
|---|
| 施惠生等: "《混凝土外加剂实用技术大全》", 31 January 2008, 第172-174页 * |
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Application publication date: 20171212 |