CN106082754A - A kind of new concrete Light trabs early strength water-reducing agent - Google Patents
A kind of new concrete Light trabs early strength water-reducing agent Download PDFInfo
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- CN106082754A CN106082754A CN201610471071.9A CN201610471071A CN106082754A CN 106082754 A CN106082754 A CN 106082754A CN 201610471071 A CN201610471071 A CN 201610471071A CN 106082754 A CN106082754 A CN 106082754A
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- parts
- water
- concrete light
- reducing agent
- early strength
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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
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Abstract
The invention discloses a kind of new concrete Light trabs early strength water-reducing agent, be made up of each component of following weight: polycarboxylate water-reducer 35～45 parts, nano imvite 4～8 parts, triisopropanolamine 1～3 parts, diethanolamine 2～4 parts, carbamide 1～3 parts, calcium aluminum fluoride 3～5 parts, aluminium oxide 2～4 parts, calcium sulfate 4～6 parts, sodium lauryl sulphate 5～7 parts, water 200～300 parts.New concrete Light trabs early strength water-reducing agent disclosed in this invention has high comprcssive strength, low shrinkage factor and short production cycle, can overcome the defect of concrete light wall panel natural curing, promotes the development of concrete light wall panel.
Description
Technical field
The present invention relates to a kind of new concrete Light trabs early strength water-reducing agent, belong to building material technical field.
Background technology
Wallboard is one of important component part of building, can be divided into traditional wallboard and modern wallboard.Traditional wallboard
It is primarily referred to as using brick, building block, armored concrete or prestressed concrete to make, although its easy construction, cost are low, but deadweight
Relatively big, and the earthquake resisting performance of body of wall is poor, the insulation of wallboard, sound insulation, waterproof and dampproof ability are poor, have been difficult to meet the modern times
The requirement of building；Modern wallboard, is primarily referred to as by cement, flyash, polyvinyl alcohol, magnesium chloride, six sodium phosphates, oxidations
The concrete light wall panel that the raw material such as magnesium, Plant fiber is made, as a kind of novel wall material, has lightweight, high-strength, guarantor
Warm, heat insulation, fire prevention, waterproof, contract with dry rate is low, heat conductivity is low, sound insulation property is good, installs the advantages such as cost is low, with its excellence
Performance is suitable for making interior wall partition or Side fascia popularization and application.
Currently marketed concrete light wall panel is mainly with steam-pressing aero-concrete wallboard, foam concrete wallboard, pottery
Grain concrete panel is main.Although being widely used in building, development prospect is wide, but concrete light wall panel is because of certainly
The defect that so maintenance brings restricts the development of itself.Specifying by general norm, the concrete light wall panel natural curing phase is many
In 35 days.Though through the natural curing of 35 days, but the hydration reaction effect of concrete was slow, hydration reaction is not fully carried out,
The comprcssive strength thus producing concrete light wall panel is poor, contraction fissure and production cycle length etc., even it is also possible to impact just
Often use.This constrains the development of concrete light wall panel to a great extent.It is, thus, sought for new method overcomes mixed
The defect of solidifying soil Light trabs is very important.
Summary of the invention
For concrete light wall panel comprcssive strength in above-mentioned prior art, poor, contraction fissure and production cycle length are not
Foot, the technical problem to be solved is to propose one to be effectively improved comprcssive strength, reduce shrinkage factor and shortening
The new concrete Light trabs early strength water-reducing agent of production cycle.
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 35～45 parts, nano imvite 4～8 parts, triisopropanolamine 1～3 parts, diethanolamine 2～4 parts, carbamide 1～3 parts, fluorine
Calcium aluminate 3～5 parts, aluminium oxide 2～4 parts, calcium sulfate 4～6 parts, sodium lauryl sulphate 5～7 parts, water 200～300 parts.
Preferably,
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 40 parts, nano imvite 6 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, 2 parts of carbamide, calcium aluminum fluoride 4 parts, aluminium oxide
3 parts, 5 parts of calcium sulfate, sodium lauryl sulphate 6 parts, 250 parts of water.
Described polycarboxylate water-reducer, is made up of each component of following weight: acrylic acid 40～50 parts, acrylic acid
Methyl ester 45～50 parts, n-methylolacrylamide 20～25 parts, sodium allylsulfonate 3～6 parts, poly glycol monomethyl ether methacrylic acid
Ester 4～7 parts, methoxy polyethylene glycol methacrylate-styrene polymer 4～8 parts, allyl polyethenoxy ether 7～9 parts, magnesium lignosulfonate
25～30 parts, nanometer meerschaum 15～20 parts.
Preferably,
Described polycarboxylate water-reducer, is made up of each component of following weight: 45 parts of acrylic acid, acrylic acid methyl ester.
48 parts, n-methylolacrylamide 23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxyl group gather
Glycolmethacrylate 6 parts, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts, nanometer meerschaum 18 parts.
Described nano imvite, the particle diameter of nanometer meerschaum are 80～100nm；
In use, described early strength water-reducing agent accounts for the 1～3% of concrete light wall panel gross weight.
The principle of the new concrete Light trabs early strength water-reducing agent of the present invention is as follows:
First, by acrylic acid, acrylic acid methyl ester., n-methylolacrylamide, sodium allylsulfonate, poly glycol monomethyl ether methyl
Acrylate, methoxy polyethylene glycol methacrylate-styrene polymer and allyl polyethenoxy ether synthesis have the acrylic acid of early strength function
Based water reducer and allyl polyether based water reducer, meanwhile, both water reducers compound, and obtain new water reducer；Secondly, wood
Quality sulfonic acid magnesium and nanometer meerschaum common modified polycarboxylic acid water reducer, improve its structure so that it is performance is more preferably；Then, nanometer
The addition of montmorillonite, not only acts as the effect entering further modified polycarboxylic acid water reducer, but also it is light to play inducing concrete
Matter wallboard hydration reaction and improve the microstructure of hydrated product, thus improve the comprcssive strength of concrete light wall panel and closely knit
Property, and then reduce shrinkage factor and shorten the production cycle, the most also there is the effect of nucleus, at the original net of concrete light wall panel
On the basis of network structure, establishing again a new network structure with nano imvite as node, two kinds of network structures are mutually tied
Close, form stable three-dimensional network, greatly improve the performance of concrete light wall panel, meanwhile, also make concrete light wall panel
Possess self-regeneration function, be greatly reduced the defects such as crackle, extend the life-span, improve safety；Finally, with organic early strength agent
(triisopropanolamine, diethanolamine and carbamide), inorganic early strength agent (calcium aluminum fluoride, aluminium oxide and calcium sulfate) and surfactant
(sodium lauryl sulphate) compounds, and obtains new concrete Light trabs early strength water-reducing agent.
Compared with prior art, the invention has the beneficial effects as follows:
First, the polycarboxylate water-reducer of the present invention, carry out Molecular Design not only according to molecular structure, but also combine
Different water reducers compounds principle, obtains in combination with magnesium lignosulfonate and the modification jointly of nanometer meerschaum；Then, originally
Invention uses nano-mineral, and compare other nano materials, and nano imvite Financial cost is low, pushing away for concrete light wall panel
Wide and application provides strong basis；Finally, early-strength water reducer can be effectively improved concrete light wall panel
Comprcssive strength, reduction shrinkage factor and shortening production cycle, promote the development of concrete light wall panel.
Detailed description of the invention
The present invention provides a kind of new concrete Light trabs early strength water-reducing agent, for making the purpose of the present invention, technical scheme
And effect is clearer, clear and definite, the present invention is described in more detail below.
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 35～45 parts, nano imvite 4～8 parts, triisopropanolamine 1～3 parts, diethanolamine 2～4 parts, carbamide 1～3 parts, fluorine
Calcium aluminate 3～5 parts, aluminium oxide 2～4 parts, calcium sulfate 4～6 parts, sodium lauryl sulphate 5～7 parts, water 200～300 parts；
Described polycarboxylate water-reducer, is made up of each component of following weight: acrylic acid 40～50 parts, acrylic acid
Methyl ester 45～50 parts, n-methylolacrylamide 20～25 parts, sodium allylsulfonate 3～6 parts, poly glycol monomethyl ether methacrylic acid
Ester 4～7 parts, methoxy polyethylene glycol methacrylate-styrene polymer 4～8 parts, allyl polyethenoxy ether 7～9 parts, magnesium lignosulfonate
25～30 parts, nanometer meerschaum 15～20 parts.
Described nano imvite, the particle diameter of nanometer meerschaum are 80～100nm；
In use, described early strength water-reducing agent accounts for the 1～3% of concrete light wall panel gross weight.
Embodiment 1
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 40 parts, nano imvite 6 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, 2 parts of carbamide, calcium aluminum fluoride 4 parts, aluminium oxide
3 parts, 5 parts of calcium sulfate, sodium lauryl sulphate 6 parts, 250 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 45 parts of acrylic acid, acrylic acid methyl ester.
48 parts, n-methylolacrylamide 23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxyl group gather
Glycolmethacrylate 6 parts, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts, nanometer meerschaum 18 parts.
Embodiment 2
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 35 parts, nano imvite 4 parts, triisopropanolamine 1 part, diethanolamine 2 parts, 1 part of carbamide, calcium aluminum fluoride 3 parts, aluminium oxide
2 parts, 4 parts of calcium sulfate, sodium lauryl sulphate 5 parts, 200 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 40 parts of acrylic acid, acrylic acid methyl ester.
45 parts, n-methylolacrylamide 20 parts, sodium allylsulfonate 3 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 4 parts, methoxyl group gather
Glycolmethacrylate 4 parts, allyl polyethenoxy ether 7 parts, magnesium lignosulfonate 25 parts, nanometer meerschaum 15 parts.
Embodiment 3
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 45 parts, nano imvite 8 parts, triisopropanolamine 3 parts, diethanolamine 4 parts, 3 parts of carbamide, calcium aluminum fluoride 5 parts, aluminium oxide
4 parts, 6 parts of calcium sulfate, sodium lauryl sulphate 7 parts, 300 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 50 parts of acrylic acid, acrylic acid methyl ester.
50 parts, n-methylolacrylamide 25 parts, sodium allylsulfonate 6 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 7 parts, methoxyl group gather
Glycolmethacrylate 8 parts, allyl polyethenoxy ether 9 parts, magnesium lignosulfonate 30 parts, nanometer meerschaum 20 parts.
Comparative example 1
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 40 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, 2 parts of carbamide, calcium aluminum fluoride 4 parts, aluminium oxide 3 parts, 5 parts of calcium sulfate,
Sodium lauryl sulphate 6 parts, 250 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 45 parts of acrylic acid, acrylic acid methyl ester.
48 parts, n-methylolacrylamide 23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxyl group gather
Glycolmethacrylate 6 parts, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts, nanometer meerschaum 18 parts.
Comparative example 2
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 40 parts, nano imvite 6 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, 2 parts of carbamide, calcium aluminum fluoride 4 parts, aluminium oxide
3 parts, 5 parts of calcium sulfate, sodium lauryl sulphate 6 parts, 250 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 45 parts of acrylic acid, acrylic acid methyl ester.
48 parts, n-methylolacrylamide 23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxyl group gather
Glycolmethacrylate 6 parts, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts.
Comparative example 3
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 40 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, 2 parts of carbamide, calcium aluminum fluoride 4 parts, aluminium oxide 3 parts, 5 parts of calcium sulfate,
Sodium lauryl sulphate 6 parts, 250 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 45 parts of acrylic acid, acrylic acid methyl ester.
48 parts, n-methylolacrylamide 23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxyl group gather
Glycolmethacrylate 6 parts, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts.
Comparative example 4
A kind of new concrete Light trabs early strength water-reducing agent, is made up of each component of following weight: polycarboxylic acids
Water reducer 40 parts, nano imvite 6 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, 2 parts of carbamide, calcium aluminum fluoride 4 parts, aluminium oxide
3 parts, 5 parts of calcium sulfate, sodium lauryl sulphate 6 parts, 250 parts of water；
Described polycarboxylate water-reducer, is made up of each component of following weight: 45 parts of acrylic acid, methylol propylene
Amide 23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxy poly (ethylene glycol) methacrylic acid
Ester 6 parts, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts, nanometer meerschaum 18 parts.
It addition, for the impact of performance that the present invention is described, applicant carried out test, result of the test is as shown in table 1:
The main performance testing result of table 1 new concrete Light trabs early strength water-reducing agent
As shown in Table 1, compared with prior art, the present invention has high comprcssive strength, little shrinkage factor and short production
In the cycle, this shows that the effect of new concrete Light trabs early strength water-reducing agent provided by the present invention is notable.
Certainly, it is that the preferred embodiments of the disclosure is described in detail above, not limits the present invention with this
Practical range, all principles under this invention, structure and structure made equivalence change, the protection of the present invention all should be covered by
In the range of.
Claims (5)
1. a new concrete Light trabs early strength water-reducing agent, it is characterised in that: by each component system of following weight
Become: polycarboxylate water-reducer 35～45 parts, nano imvite 4～8 parts, triisopropanolamine 1～3 parts, diethanolamine 2～4 parts, carbamide
1～3 part, calcium aluminum fluoride 3～5 parts, aluminium oxide 2～4 parts, calcium sulfate 4～6 parts, sodium lauryl sulphate 5～7 parts, water 200～
300 parts.
New concrete Light trabs early strength water-reducing agent the most according to claim 1, it is characterised in that: by following weight portion
Each component of proportioning is made: polycarboxylate water-reducer 40 parts, nano imvite 6 parts, triisopropanolamine 2 parts, diethanolamine 3 parts, urine
Element 2 parts, calcium aluminum fluoride 4 parts, aluminium oxide 3 parts, 5 parts of calcium sulfate, sodium lauryl sulphate 6 parts, 250 parts of water.
New concrete Light trabs early strength water-reducing agent the most according to claim 2, it is characterised in that: described polycarboxylic acids
Water reducer, is made up of each component of following weight: acrylic acid 40～50 parts, acrylic acid methyl ester. 45～50 parts, methylol
Acrylamide 20～25 parts, sodium allylsulfonate 3～6 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 4～7 parts, the poly-second of methoxyl group
Glycol methacrylate 4～8 parts, allyl polyethenoxy ether 7～9 parts, magnesium lignosulfonate 25～30 parts, nanometer meerschaum
15～20 parts.
New concrete Light trabs early strength water-reducing agent the most according to claim 3, it is characterised in that: described polycarboxylic acids
Water reducer, is made up of each component of following weight: 45 parts of acrylic acid, acrylic acid methyl ester. 48 parts, n-methylolacrylamide
23 parts, sodium allylsulfonate 5 parts, polyethylene glycol monomethyl ethermethacrylic acid esters 6 parts, methoxy polyethylene glycol methacrylate-styrene polymer 6
Part, allyl polyethenoxy ether 8 parts, magnesium lignosulfonate 28 parts, nanometer meerschaum 18 parts.
5. according to the new concrete Light trabs early strength water-reducing agent described in claim 3 or 4, it is characterised in that: described receives
Rice montmorillonite, the particle diameter of nanometer meerschaum are 80～100nm.
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Cited By (3)
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| CN108609997A (en) * | 2018-04-02 | 2018-10-02 | 武汉轻工大学 | Nanometer covers special land reform bottom ash building latex material, mortar, concrete and preparation method |
| CN112551991A (en) * | 2021-01-15 | 2021-03-26 | 福州大学 | Photocatalytic cement concrete and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108609997A (en) * | 2018-04-02 | 2018-10-02 | 武汉轻工大学 | Nanometer covers special land reform bottom ash building latex material, mortar, concrete and preparation method |
| CN108609997B (en) * | 2018-04-02 | 2021-07-09 | 武汉轻工大学 | Nano Monte soil modified bottom ash building cementing material, mortar, concrete and preparation method |
| CN112551991A (en) * | 2021-01-15 | 2021-03-26 | 福州大学 | Photocatalytic cement concrete and preparation method thereof |
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