CN105645833A - Concrete additive and preparation method thereof - Google Patents

Concrete additive and preparation method thereof Download PDF

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Publication number
CN105645833A
CN105645833A CN201610013318.2A CN201610013318A CN105645833A CN 105645833 A CN105645833 A CN 105645833A CN 201610013318 A CN201610013318 A CN 201610013318A CN 105645833 A CN105645833 A CN 105645833A
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CN
China
Prior art keywords
concrete
concrete additive
initiator
agent
water soluble
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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
Application number
CN201610013318.2A
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Chinese (zh)
Inventor
陶根月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiaoxian Liangyu Concrete Co Ltd
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Xiaoxian Liangyu Concrete Co Ltd
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Filing date
Publication date
Application filed by Xiaoxian Liangyu Concrete Co Ltd filed Critical Xiaoxian Liangyu Concrete Co Ltd
Priority to CN201610013318.2A priority Critical patent/CN105645833A/en
Publication of CN105645833A publication Critical patent/CN105645833A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients

Abstract

The invention provides a concrete additive and a preparation method thereof, relating to the technical field of concrete. The additive is prepared from the following raw materials: cement, kaolin, limestone, latex powder, mineral slag, polyacrylamide, butoxy polyalkaneneglycol ether, dodecathiol, glycerol, organic water-soluble polysaccharides, an initiator, a waterproofing agent, an antifreezing agent and an anticorrosive agent. The concrete additive can greatly reduce the quantity of water for mixing, improves the rheological properties of the concrete mixture, promotes the setting and demolding of the concrete, and accelerates the construction progress. The concrete additive improves the concrete strength and enhances the engineering quality.

Description

A kind of concrete additive and preparation method thereof
Technical field
The present invention relates to technical field of concrete, especially a kind of concrete additive and preparation method thereof.
Background technology
Concrete is one of contemporary topmost civil engineering material. It is by Binder Materials, and graininess is gathered materials (also referred to as aggregate), water, and the additive added if desired and admixture are prepared by a certain percentage, through uniform stirring, and closely knit molding, a kind of artificial stone material of maintenance hardening. Concrete has abundant raw material, cheap, the simple feature of production technology, thus makes its consumption increasing. Concrete also has the features such as comprcssive strength height, good endurance, strength grade wide ranges simultaneously. These features make it use scope very extensive, not only use in various civil engineerings, it is simply that shipbuilding industry, mechanical industry, the exploitation of ocean, geothermal engineering etc., concrete is also important material.
During concrete is applied in Practical Project, it is commonly exposed to various comparatively harsh environment, intrusion such as environment Korrosionsmedium, the change of ambient temperature and humidity, freeze-thaw cycle destroy and part concrete works is often in heavy load abrasion etc., and these external conditions will have a strong impact on concrete service life. Accordingly, it would be desirable to add protective agent in concrete concrete carries out protective effect, there is function singleness in existing concrete additive, concrete mix rheological property is poor, and concrete coagulation is difficult, and the demoulding is relatively slow, and the performance of concrete additive has much room for improvement.
Summary of the invention
(1) solve the technical problem that
Not enough for prior art, the present invention provides a kind of concrete additive and preparation method thereof, improves concrete mix rheological property, and concrete easily condenses, early the demoulding, improves the performance of concrete additive, mixing water amount is greatly reduced.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs:
A kind of concrete additive, is divided the raw material of percentage ratio to make: Kaolin 15-35%, latex powder 10-25%, slag 15-25%, polyacrylamide 1.5-3.5%, butoxy polyalkylene glycol ethers 0.5-2%, lauryl mercaptan 1-3.2%, glycerol 1.5-3%, organic water soluble polysaccharose substance 2-4%, initiator 0.8-2.5%, waterproofing agent 0.5-3%, antifreezing agent 1-3%, anticorrosive 0.5-1.5%, surplus are cement and limestone by following weight.
Preferably, described concrete additive is divided the raw material of percentage ratio to make by following weight: Kaolin 25%, latex powder 20%, slag 18%, polyacrylamide 2.5%, butoxy polyalkylene glycol ethers 1.3%, lauryl mercaptan 2.2%, glycerol 2.3%, organic water soluble polysaccharose substance 3%, initiator 1.7%, waterproofing agent 1.8%, antifreezing agent 2%, anticorrosive 1%, surplus are cement and limestone.
Preferably, described waterproofing agent is made up of silicate and inorganic acid salt and stearate and hydroxyethyl ester and derivant thereof.
Preferably, described antifreezing agent is made up of inorganic acid salt.
Preferably, described organic water soluble polysaccharose substance is sucrose, sodium gluconate or glucose.
Preferably, described initiator is one or more in benzoyl peroxide, lauroyl peroxide, azodiisobutyronitrile, cumene hydroperoxide.
The preparation method of a kind of concrete additive, comprises the following steps:
S1, weigh each raw material of percentage by weight, cement, Kaolin, limestone, latex powder, slag are mixed according to percentage by weight, at high temperature 130-150 DEG C, is fired into grog, then be 5-10 ��m by levigate for the grog being fired into particle diameter with grinder, prepare fine silt, standby;
S2, the fine silt for preparing of step S1 and polyacrylamide, butoxy polyalkylene glycol ethers, lauryl mercaptan, glycerol, organic water soluble polysaccharose substance are added in blender and be stirred, arranging mixing speed is 3000-4500r/min, and mixing time is 50-60min;
S3, stir to step S2 after material in add initiator, waterproofing agent, antifreezing agent and anticorrosive, stir 30-45min, last and after concrete mixing, send job site.
(3) beneficial effect
The present invention provides a kind of concrete additive and preparation method thereof, and concrete additive of the present invention can be greatly reduced mixing water amount, improves concrete mix rheological property, makes concrete coagulation fast, the demoulding early, accelerating construction progress; And promote concrete strength, improve construction quality; Concrete additive of the present invention adds waterproofing agent: water-proof impervious ability can be improved. Antifreezing agent, anticorrosive can save Calx, and have early strength function, and consumption is few, effective, and cost is low, can save the consumption of cement etc.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that, described embodiment is a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1:
The present embodiment concrete additive, is divided the raw material of percentage ratio to make by following weight: Kaolin 15%, latex powder 10%, slag 15%, polyacrylamide 1.5%, butoxy polyalkylene glycol ethers 0.5%, lauryl mercaptan 1%, glycerol 1.5%, organic water soluble polysaccharose substance 2%, initiator 0.8%, waterproofing agent 0.5%, antifreezing agent 1%, anticorrosive 0.5%, surplus are cement and limestone.
Preparation method, comprises the following steps:
S1, weigh each raw material of percentage by weight, cement, Kaolin, limestone, latex powder, slag are mixed according to percentage by weight, at high temperature 130-150 DEG C, is fired into grog, then be 5-10 ��m by levigate for the grog being fired into particle diameter with grinder, prepare fine silt, standby;
S2, the fine silt for preparing of step S1 and polyacrylamide, butoxy polyalkylene glycol ethers, lauryl mercaptan, glycerol, organic water soluble polysaccharose substance are added in blender and be stirred, arranging mixing speed is 3000-4500r/min, and mixing time is 50-60min;
S3, stir to step S2 after material in add initiator, waterproofing agent, antifreezing agent and anticorrosive, stir 30-45min, last and after concrete mixing, send job site.
Embodiment 2:
The present embodiment concrete additive, is divided the raw material of percentage ratio to make by following weight: Kaolin 35%, latex powder 25%, slag 25%, polyacrylamide 3.5%, butoxy polyalkylene glycol ethers 2%, lauryl mercaptan 3.2%, glycerol 3%, organic water soluble polysaccharose substance 4%, initiator 2.5%, waterproofing agent 3%, antifreezing agent 3%, anticorrosive 1.5%, surplus are cement and limestone.
Preparation method, comprises the following steps:
S1, weigh each raw material of percentage by weight, cement, Kaolin, limestone, latex powder, slag are mixed according to percentage by weight, at high temperature 150 DEG C, are fired into grog, then with grinder by levigate for the grog being fired into particle diameter be 10 ��m, prepare fine silt, standby;
S2, the fine silt for preparing of step S1 and polyacrylamide, butoxy polyalkylene glycol ethers, lauryl mercaptan, glycerol, organic water soluble polysaccharose substance are added in blender and be stirred, arranging mixing speed is 4500r/min, and mixing time is 60min;
S3, stir to step S2 after material in add initiator, waterproofing agent, antifreezing agent and anticorrosive, stir 30-45min, last and after concrete mixing, send job site.
Embodiment 3:
The present embodiment concrete additive, is divided the raw material of percentage ratio to make by following weight: Kaolin 25%, latex powder 20%, slag 18%, polyacrylamide 2.5%, butoxy polyalkylene glycol ethers 1.3%, lauryl mercaptan 2.2%, glycerol 2.3%, organic water soluble polysaccharose substance 3%, initiator 1.7%, waterproofing agent 1.8%, antifreezing agent 2%, anticorrosive 1%, surplus are cement and limestone.
Preparation method, comprises the following steps:
S1, weigh each raw material of percentage by weight, cement, Kaolin, limestone, latex powder, slag are mixed according to percentage by weight, at high temperature 140 DEG C, are fired into grog, then with grinder by levigate for the grog being fired into particle diameter be 8 ��m, prepare fine silt, standby;
S2, the fine silt for preparing of step S1 and polyacrylamide, butoxy polyalkylene glycol ethers, lauryl mercaptan, glycerol, organic water soluble polysaccharose substance are added in blender and be stirred, arranging mixing speed is 4000r/min, and mixing time is 55min;
S3, stir to step S2 after material in add initiator, waterproofing agent, antifreezing agent and anticorrosive, stir 30-45min, last and after concrete mixing, send job site.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially. And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment. When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Above example is only in order to illustrate technical scheme, it is not intended to limit, although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (7)

1. a concrete additive, it is characterized in that, following weight divide the raw material of percentage ratio to make: Kaolin 15-35%, latex powder 10-25%, slag 15-25%, polyacrylamide 1.5-3.5%, butoxy polyalkylene glycol ethers 0.5-2%, lauryl mercaptan 1-3.2%, glycerol 1.5-3%, organic water soluble polysaccharose substance 2-4%, initiator 0.8-2.5%, waterproofing agent 0.5-3%, antifreezing agent 1-3%, anticorrosive 0.5-1.5%, surplus are cement and limestone.
2. concrete additive according to claim 1, it is characterized in that, following weight divide the raw material of percentage ratio to make: Kaolin 25%, latex powder 20%, slag 18%, polyacrylamide 2.5%, butoxy polyalkylene glycol ethers 1.3%, lauryl mercaptan 2.2%, glycerol 2.3%, organic water soluble polysaccharose substance 3%, initiator 1.7%, waterproofing agent 1.8%, antifreezing agent 2%, anticorrosive 1%, surplus are cement and limestone.
3. concrete additive according to claim 1, it is characterised in that described waterproofing agent is made up of silicate and inorganic acid salt and stearate and hydroxyethyl ester and derivant thereof.
4. concrete additive according to claim 1, it is characterised in that described antifreezing agent is made up of inorganic acid salt.
5. concrete additive according to claim 1, it is characterised in that described organic water soluble polysaccharose substance is sucrose, sodium gluconate or glucose.
6. concrete additive according to claim 1, it is characterised in that described initiator is one or more in benzoyl peroxide, lauroyl peroxide, azodiisobutyronitrile, cumene hydroperoxide.
7. one kind as arbitrary in claim 1-6 as described in the preparation method of concrete additive, it is characterised in that comprise the following steps:
S1, weigh each raw material of percentage by weight, cement, Kaolin, limestone, latex powder, slag are mixed according to percentage by weight, at high temperature 130-150 DEG C, is fired into grog, then be 5-10 ��m by levigate for the grog being fired into particle diameter with grinder, prepare fine silt, standby;
S2, the fine silt for preparing of step S1 and polyacrylamide, butoxy polyalkylene glycol ethers, lauryl mercaptan, glycerol, organic water soluble polysaccharose substance are added in blender and be stirred, arranging mixing speed is 3000-4500r/min, and mixing time is 50-60min;
S3, stir to step S2 after material in add initiator, waterproofing agent, antifreezing agent and anticorrosive, stir 30-45min, last and after concrete mixing, send job site.
CN201610013318.2A 2016-01-05 2016-01-05 Concrete additive and preparation method thereof Pending CN105645833A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106316257A (en) * 2016-08-22 2017-01-11 桂林新艺制冷设备有限责任公司 High-tensile-resistance concrete
CN107162461A (en) * 2017-05-23 2017-09-15 安徽工程大学 Concrete additive and preparation method thereof and concrete and application
CN107162479A (en) * 2017-07-12 2017-09-15 合肥雅克丽新型建材有限公司 A kind of preparation method of new concrete additive
CN113800814A (en) * 2021-09-16 2021-12-17 中建西部建设建材科学研究院有限公司 Suspension stabilizer for concrete waste slurry concentrated solution and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06305804A (en) * 1993-04-21 1994-11-01 Shin Etsu Chem Co Ltd Preparation of concrete kneaded product
CN102503229A (en) * 2011-10-21 2012-06-20 中国铁道科学研究院铁道建筑研究所 Special modifying agent for self-compacting concrete of high speed railway ballastless track
CN102531502A (en) * 2012-03-02 2012-07-04 河南省交通科学技术研究院有限公司 Post-tensioning prestressed concrete porelike grouting agent and preparation method thereof, and grouting material
CN102584101A (en) * 2012-01-20 2012-07-18 南京瑞迪高新技术有限公司 Special grouting agent for post-tensioned prestressed concrete beams of highway bridges and culverts and preparation method thereof
CN104119010A (en) * 2014-08-15 2014-10-29 武汉理工大学 Retarding type high-fluidity high-strength underwater concrete additive and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06305804A (en) * 1993-04-21 1994-11-01 Shin Etsu Chem Co Ltd Preparation of concrete kneaded product
CN102503229A (en) * 2011-10-21 2012-06-20 中国铁道科学研究院铁道建筑研究所 Special modifying agent for self-compacting concrete of high speed railway ballastless track
CN102584101A (en) * 2012-01-20 2012-07-18 南京瑞迪高新技术有限公司 Special grouting agent for post-tensioned prestressed concrete beams of highway bridges and culverts and preparation method thereof
CN102531502A (en) * 2012-03-02 2012-07-04 河南省交通科学技术研究院有限公司 Post-tensioning prestressed concrete porelike grouting agent and preparation method thereof, and grouting material
CN104119010A (en) * 2014-08-15 2014-10-29 武汉理工大学 Retarding type high-fluidity high-strength underwater concrete additive and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106316257A (en) * 2016-08-22 2017-01-11 桂林新艺制冷设备有限责任公司 High-tensile-resistance concrete
CN107162461A (en) * 2017-05-23 2017-09-15 安徽工程大学 Concrete additive and preparation method thereof and concrete and application
CN107162479A (en) * 2017-07-12 2017-09-15 合肥雅克丽新型建材有限公司 A kind of preparation method of new concrete additive
CN113800814A (en) * 2021-09-16 2021-12-17 中建西部建设建材科学研究院有限公司 Suspension stabilizer for concrete waste slurry concentrated solution and preparation method thereof

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Application publication date: 20160608