CN106116240A - A kind of Novel dry powder mortar plasticizing reinforcing agent - Google Patents
A kind of Novel dry powder mortar plasticizing reinforcing agent Download PDFInfo
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- CN106116240A CN106116240A CN201610471098.8A CN201610471098A CN106116240A CN 106116240 A CN106116240 A CN 106116240A CN 201610471098 A CN201610471098 A CN 201610471098A CN 106116240 A CN106116240 A CN 106116240A
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- dry powder
- polycarboxylic acids
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- side chain
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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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of Novel dry powder mortar plasticizing reinforcing agent, it is made up of each component of following weight: acrylate copolymer 5～10 parts, vinylacetate 5～10 parts, plasticiser 25～30 parts, serpentine 20～25 parts, glass microballoon 15～20 parts, sodium silicate 2～6 parts, sodium sulfate 3～5 parts, aluminium oxide 2～4 parts, sodium acetate 1～3 parts, triethanolamine 4～6 parts, modified sisal fiber 8～10 parts, calcium carbonate crystal whisker 6～8 parts, rice meal 15～20 parts, gelatin 4～6 parts, zeolite 7～9 parts, methyl cellulose ether 2～4 parts, organic silicon defoamer 0.1～0.3 part.The present invention has the advantages such as low volume, high intensity, high slump stability, is a kind of good building additive.
Description
Technical field
The present invention relates to a kind of Novel dry powder mortar plasticizing reinforcing agent, belong to building additive technical field.
Background technology
Dry powder and mortar, also known as dry mortar powder, is by drying fine aggregate that screening processes and Binder Materials, additive, filling out
Powdered that charge etc. mix by a certain percentage or graininess New Building Materials.It has, and product quality is high, produce effect
Rate is high, production cost is low, easy to use, environmental pollution is little, and is easy to the advantages such as civilized construction, little by little replace the scene system of stirring,
Impermeability is poor, shrinkage value big, and traditional mortar that quality is unstable, and becomes the developing direction of building industry.By the composition of raw material
Point, dry powder and mortar can be divided into conventional cement mortar, polymer cement mortar, features mortar and rapid-patching motar etc..Its
In, conventional cement mortar is the mortar that usage amount is maximum, range is the widest, and it is by Binder Materials, aggregate (dry sand), mineral
The material compositions such as admixture (predominantly flyash), additive.The popularization of dry powder and mortar and use, be not only greatly improved construction speed
Degree, construction quality, and low in the pollution of the environment, it is simple to civilized construction and management, thus improve building industry integral level.
Along with living standards of the people improve and the development of building industry, the quality of building is proposed by country and individual
The highest requirement, and improve the quality of building and level it is crucial that improve the performance of dry powder and mortar.But it is as dry powder
The development of mortar, gradually exposes some self defect: strength grade is low, slump-loss is big, workability it is difficult to ensure that.For
Overcoming the defect that intensity is low, the common solution of people is to add reinforcing agent in the feed, and slump-loss is big and easily
Property is poor, then be to add plasticiser in the feed.The settling mode of even now obtains certain effect, and has been also carried out a lot
Research, such as Chinese patent CN103819117A, CN102976655A, CN102964077B etc., but the resistance to compression of dry powder and mortar
Intensity and slump aspect less than ideal.This constrains the development of dry powder and mortar to a great extent.Therefore, continue to explore
It is exceptional values with comprcssive strength and the slump of research dry powder and mortar.
Summary of the invention
For the comprcssive strength of dry powder and mortar in above-mentioned prior art and the deficiency in terms of the slump, the present invention to solve
Technical problem is that proposing a kind of Novel dry powder mortar plasticizing that can be effectively improved comprcssive strength and slump stability increases
Strong agent.
A kind of Novel dry powder mortar plasticizing reinforcing agent, is made up of each component of following weight: polyacrylate is common
Polymers 5～10 parts, vinylacetate 5～10 parts, plasticiser 25～30 parts, serpentine 20～25 parts, glass microballoon 15～20 parts,
Sodium silicate 2～6 parts, sodium sulfate 3～5 parts, aluminium oxide 2～4 parts, sodium acetate 1～3 parts, triethanolamine 4～6 parts, modified Folium Agaves Sisalanae fibre
Tie up 8～10 parts, calcium carbonate crystal whisker 6～8 parts, rice meal 15～20 parts, gelatin 4～6 parts, zeolite 7～9 parts, methyl cellulose ether 2
～4 parts, organic silicon defoamer 0.1～0.3 part.
Preferably,
A kind of Novel dry powder mortar plasticizing reinforcing agent, is made up of each component of following weight: polyacrylate is common
Polymers 8 parts, vinylacetate 8 parts, plasticiser 28 parts, serpentine 23 parts, glass microballoon 18 parts, sodium silicate 4 parts, 4 parts of sodium sulfate,
Aluminium oxide 3 parts, sodium acetate 2 parts, triethanolamine 5 parts, modified sisal fiber 9 parts, calcium carbonate crystal whisker 7 parts, rice meal 18 parts, gelatin
5 parts, 8 parts of zeolite, methyl cellulose ether 3 parts, organic silicon defoamer 0.2 part.
Described plasticiser is to be that main chain is grafted PEO side chain polycarboxylic acids, 1～3 part of acrylic acid by 2～4 parts of methacrylic acids
It is that main chain is grafted PO side chain polycarboxylic acids, 1～3 part of metering system for main chain grafting EO side chain polycarboxylic acids, 1～3 part of methacrylic acid
Acid, sodium allylsulfonate are that main chain is grafted EO side chain polycarboxylic acids and 0.02～0.04 part of nano silicon is made.
Preferably,
Described plasticiser be by 3 parts of methacrylic acids be main chain grafting PEO side chain polycarboxylic acids, 2 parts of acrylic acid be main chain
Grafting EO side chain polycarboxylic acids, 2 parts of methacrylic acids are that main chain is grafted PO side chain polycarboxylic acids, 2 parts of methacrylic acids, sodium allylsulfonates
Make for main chain grafting EO side chain polycarboxylic acids and 0.03 part of nano silicon.
Described modified sisal fiber is nano kaoline/sisal fiber composite prepared by 100～150 DEG C of hydro-thermals.
Described serpentine, rice meal, the mesh number of zeolite are 120～200 mesh.
In use, described plasticizing intensifier accounts for the 0.1～0.3% of dry powder and mortar gross weight.
The principle of the Novel dry powder mortar plasticizing reinforcing agent of the present invention is as follows:
First, when dry powder and mortar is plus stirring, acrylate copolymer, vinylacetate can be at mortar particle surfaces
Self-dispersing, and form polymeric film, film upper part surface pores is particles filled by mortar, makes stress concentrate and reduces, so that
Bending strength and the breaking resistance of mortar are improved.Meanwhile, serpentine can improve water retention property, intensity and impermeability, organic
Silicon defoaming agent can reduce the mortar pore that polymer causes, and methyl cellulose ether can improve the workability of dry powder and mortar, impermeability
And crack resistance, the addition of these raw materials, it is greatly improved the combination property of dry powder and mortar；
Secondly, glass microballoon, play a part ball when stirring, reduce the frictional force between dry powder and mortar raw material, broken
The flocculent structure formed between bad granule, thus improve mobility and the uniformity of dry powder and mortar；
Again, zeolite is as the carrier of plasticiser, and gelatin coatings is on plasticiser surface, it is mixed in dry powder and mortar
Time, can effectively extend the time of plastication, thus play the effect maintaining slump stability.Meanwhile, by difference
The plasticiser of backbone chemistry structure, side chain kind and length carries out compounded combination, nano-silicon dioxide modified, and occurs " compounding
Effect ", the mobility of dry powder and mortar can be improved, also can make it have good slump holding capacity；
Finally, inorganic constituents (sodium silicate, sodium sulfate, aluminium oxide) and organic principle (sodium acetate, triethanolamine) is used
Improve the intensity of dry powder and mortar.Meanwhile, modified sisal fiber, calcium carbonate crystal whisker and rice meal is also used to improve dry powder sand further
The intensity of slurry.Wherein, modified sisal fiber have employed hydro-thermal activation and nanotechnology is modified so that the combination property of dry powder and mortar
More excellent；Rice meal has the tree-like branched structure of complexity, can improve the microstructure of dry powder and mortar, improves density, from
And improve the performance of dry powder and mortar.
Compared with prior art, the invention has the beneficial effects as follows:
1, the ball effect of glass microballoon, improves mobility and the uniformity of dry powder and mortar；
2, zeolite is as the carrier of plasticiser, and gelatin coatings is on plasticiser surface, it is achieved maintain slump stability
Purpose.Meanwhile, compounded combination, nanometer titanium dioxide are carried out by the plasticiser of different backbone chemistry structures, side chain kind and length
Si modification, and there is " herbicide interactions ", the mobility of dry powder and mortar can be improved, also can make it have the good slump and keep
Ability；
3, take full advantage of hydro-thermal activation, nanotechnology modification sisal fiber and there is the rice of complicated tree-like branched structure
Powder, can optimize the performance of dry powder and mortar effectively；
4, the plasticizing intensifier of the present invention has the advantages such as low volume, high intensity, high slump stability, is one
Plant good building additive.
Detailed description of the invention
The present invention provides a kind of Novel dry powder mortar plasticizing reinforcing agent, for making the purpose of the present invention, technical scheme and effect
Clearer, clear and definite, the present invention is described in more detail below.
A kind of Novel dry powder mortar plasticizing reinforcing agent, is made up of each component of following weight: polyacrylate is common
Polymers 5～10 parts, vinylacetate 5～10 parts, plasticiser 25～30 parts, serpentine 20～25 parts, glass microballoon 15～20 parts,
Sodium silicate 2～6 parts, sodium sulfate 3～5 parts, aluminium oxide 2～4 parts, sodium acetate 1～3 parts, triethanolamine 4～6 parts, modified Folium Agaves Sisalanae fibre
Tie up 8～10 parts, calcium carbonate crystal whisker 6～8 parts, rice meal 15～20 parts, gelatin 4～6 parts, zeolite 7～9 parts, methyl cellulose ether 2
～4 parts, organic silicon defoamer 0.1～0.3 part；
Described plasticiser is to be that main chain is grafted PEO side chain polycarboxylic acids, 1～3 part of acrylic acid by 2～4 parts of methacrylic acids
It is that main chain is grafted PO side chain polycarboxylic acids, 1～3 part of metering system for main chain grafting EO side chain polycarboxylic acids, 1～3 part of methacrylic acid
Acid, sodium allylsulfonate are that main chain is grafted EO side chain polycarboxylic acids and 0.02～0.04 part of nano silicon is made；
Described modified sisal fiber is nano kaoline/sisal fiber composite prepared by 100～150 DEG C of hydro-thermals；
Described serpentine, rice meal, the mesh number of zeolite are 120～200 mesh；
In use, described plasticizing intensifier accounts for the 0.1～0.3% of dry powder and mortar gross weight.
Embodiment 1
A kind of Novel dry powder mortar plasticizing reinforcing agent, is made up of each component of following weight: polyacrylate is common
Polymers 8 parts, vinylacetate 8 parts, plasticiser 28 parts, serpentine 23 parts, glass microballoon 18 parts, sodium silicate 4 parts, 4 parts of sodium sulfate,
Aluminium oxide 3 parts, sodium acetate 2 parts, triethanolamine 5 parts, modified sisal fiber 9 parts, calcium carbonate crystal whisker 7 parts, rice meal 18 parts, gelatin
5 parts, 8 parts of zeolite, methyl cellulose ether 3 parts, organic silicon defoamer 0.2 part；
Described plasticiser be by 3 parts of methacrylic acids be main chain grafting PEO side chain polycarboxylic acids, 2 parts of acrylic acid be main chain
Grafting EO side chain polycarboxylic acids, 2 parts of methacrylic acids are that main chain is grafted PO side chain polycarboxylic acids, 2 parts of methacrylic acids, sodium allylsulfonates
Make for main chain grafting EO side chain polycarboxylic acids and 0.03 part of nano silicon.
Embodiment 2
A kind of Novel dry powder mortar plasticizing reinforcing agent, is made up of each component of following weight: polyacrylate is common
Polymers 5 parts, vinylacetate 5 parts, plasticiser 25 parts, serpentine 20 parts, glass microballoon 15 parts, sodium silicate 2 parts, 3 parts of sodium sulfate,
Aluminium oxide 2 parts, sodium acetate 1 part, triethanolamine 4 parts, modified sisal fiber 8 parts, calcium carbonate crystal whisker 6 parts, rice meal 15 parts, gelatin
4 parts, 7 parts of zeolite, methyl cellulose ether 2 parts, organic silicon defoamer 0.1 part；
Described plasticiser be by 2 parts of methacrylic acids be main chain grafting PEO side chain polycarboxylic acids, 1 part of acrylic acid be main chain
Grafting EO side chain polycarboxylic acids, 1 part of methacrylic acid are that main chain is grafted PO side chain polycarboxylic acids, 1 part of methacrylic acid, sodium allylsulfonate
Make for main chain grafting EO side chain polycarboxylic acids and 0.02 part of nano silicon；
Embodiment 3
A kind of Novel dry powder mortar plasticizing reinforcing agent, is made up of each component of following weight: polyacrylate is common
Polymers 10 parts, vinylacetate 10 parts, plasticiser 30 parts, serpentine 25 parts, glass microballoon 20 parts, sodium silicate 6 parts, sodium sulfate 5
Part, aluminium oxide 4 parts, sodium acetate 3 parts, triethanolamine 6 parts, modified sisal fiber 10 parts, calcium carbonate crystal whisker 8 parts, rice meal 20 parts,
6 parts of gelatin, 9 parts of zeolite, methyl cellulose ether 4 parts, organic silicon defoamer 0.3 part；
Described plasticiser be by 4 parts of methacrylic acids be main chain grafting PEO side chain polycarboxylic acids, 3 parts of acrylic acid be main chain
Grafting EO side chain polycarboxylic acids, 3 parts of methacrylic acids are that main chain is grafted PO side chain polycarboxylic acids, 3 parts of methacrylic acids, sodium allylsulfonates
Make for main chain grafting EO side chain polycarboxylic acids and 0.04 part of nano silicon；
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 slump of table 1 dry powder and mortar and comprcssive strength
As shown in Table 1, Novel dry powder mortar plasticizing reinforcing agent provided by the present invention has high comprcssive strength and slump
Degree stability, this shows the superior performance of Novel dry powder mortar plasticizing reinforcing agent provided by the present invention, is a kind of good building
Build additive.
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 Novel dry powder mortar plasticizing reinforcing agent, it is characterised in that: it is made up of each component of following weight: poly-third
Olefin(e) acid ester copolymer 5～10 parts, vinylacetate 5～10 parts, plasticiser 25～30 parts, serpentine 20～25 parts, glass microballoon
15～20 parts, sodium silicate 2～6 parts, sodium sulfate 3～5 parts, aluminium oxide 2～4 parts, sodium acetate 1～3 parts, triethanolamine 4～6 parts,
Modified sisal fiber 8～10 parts, calcium carbonate crystal whisker 6～8 parts, rice meal 15～20 parts, gelatin 4～6 parts, zeolite 7～9 parts, first
Base cellulose ether 2～4 parts, organic silicon defoamer 0.1～0.3 part.
Novel dry powder mortar plasticizing reinforcing agent the most according to claim 1, it is characterised in that: by following weight
Each component is made: acrylate copolymer 8 parts, vinylacetate 8 parts, plasticiser 28 parts, serpentine 23 parts, glass microballoon 18
Part, sodium silicate 4 parts, 4 parts of sodium sulfate, aluminium oxide 3 parts, sodium acetate 2 parts, triethanolamine 5 parts, modified sisal fiber 9 parts, calcium carbonate
Whisker 7 parts, rice meal 18 parts, 5 parts of gelatin, 8 parts of zeolite, methyl cellulose ether 3 parts, organic silicon defoamer 0.2 part.
Novel dry powder mortar plasticizing reinforcing agent the most according to claim 2, it is characterised in that: described plasticiser is by 2
～4 parts of methacrylic acids be main chain grafting PEO side chain polycarboxylic acids, 1～3 part of acrylic acid be main chain grafting EO side chain polycarboxylic acids, 1～
3 parts of methacrylic acids are that main chain is grafted PO side chain polycarboxylic acids, 1～3 part of methacrylic acid, sodium allylsulfonate are that main chain grafting EO props up
Chain polycarboxylic acids and 0.02～0.04 part of nano silicon are made.
Novel dry powder mortar plasticizing reinforcing agent the most according to claim 3, it is characterised in that: described plasticiser is by 3
Part methacrylic acid is that main chain is grafted PEO side chain polycarboxylic acids, 2 parts of acrylic acid are that main chain is grafted EO side chain polycarboxylic acids, 2 parts of methyl-prop
Olefin(e) acid be main chain grafting PO side chain polycarboxylic acids, 2 parts of methacrylic acids, sodium allylsulfonate be main chain grafting EO side chain polycarboxylic acids and
0.03 part of nano silicon is made.
Novel dry powder mortar plasticizing reinforcing agent the most according to claim 1 and 2, it is characterised in that: described modified Folium Agaves Sisalanae
Fiber is nano kaoline/sisal fiber composite prepared by 100～150 DEG C of hydro-thermals；Described serpentine, rice meal, boiling
The mesh number of stone is 120～200 mesh；In use, described plasticizing intensifier accounts for the 0.1～0.3% of dry powder and mortar gross weight.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610471098.8A CN106116240A (en) | 2016-06-24 | 2016-06-24 | A kind of Novel dry powder mortar plasticizing reinforcing agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610471098.8A CN106116240A (en) | 2016-06-24 | 2016-06-24 | A kind of Novel dry powder mortar plasticizing reinforcing agent |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684864A (en) * | 2012-08-21 | 2015-06-03 | Sika技术股份公司 | Multi-purpose mortar or cement compositions for construction applications |
| CN104761689A (en) * | 2015-03-24 | 2015-07-08 | 江苏奥莱特新材料有限公司 | Preparation method of super high-early-strength polycarboxylate superplasticizer |
| CN105110755A (en) * | 2015-08-12 | 2015-12-02 | 江苏绿科生物技术有限公司 | High-temperature-resistant coating |
| CN105236924A (en) * | 2015-09-16 | 2016-01-13 | 桂林市和鑫防水装饰材料有限公司 | Capillary crystalline waterproofing agent |
-
2016
- 2016-06-24 CN CN201610471098.8A patent/CN106116240A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684864A (en) * | 2012-08-21 | 2015-06-03 | Sika技术股份公司 | Multi-purpose mortar or cement compositions for construction applications |
| CN104761689A (en) * | 2015-03-24 | 2015-07-08 | 江苏奥莱特新材料有限公司 | Preparation method of super high-early-strength polycarboxylate superplasticizer |
| CN105110755A (en) * | 2015-08-12 | 2015-12-02 | 江苏绿科生物技术有限公司 | High-temperature-resistant coating |
| CN105236924A (en) * | 2015-09-16 | 2016-01-13 | 桂林市和鑫防水装饰材料有限公司 | Capillary crystalline waterproofing agent |
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Application publication date: 20161116 |
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