CN103803875A - Compound cement mortar and preparation method thereof - Google Patents

Compound cement mortar and preparation method thereof Download PDF

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Publication number
CN103803875A
CN103803875A CN201310730206.5A CN201310730206A CN103803875A CN 103803875 A CN103803875 A CN 103803875A CN 201310730206 A CN201310730206 A CN 201310730206A CN 103803875 A CN103803875 A CN 103803875A
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CN
China
Prior art keywords
parts
cement mortar
fiber
cement
thickening
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Application number
CN201310730206.5A
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Chinese (zh)
Inventor
孙改进
邹小霞
徐爱秀
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安徽省美域节能环保技术应用有限公司
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Priority to CN201310730206.5A priority Critical patent/CN103803875A/en
Publication of CN103803875A publication Critical patent/CN103803875A/en

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Abstract

The invention relates to the field of building materials, and specifically relates to compound cement mortar for building engineering and a preparation method of the compound cement mortar. The cement mortar is characterized by being prepared from the following components in parts by weight: 30-40 parts of cement, 5-10 parts of fibers, 20-40 parts of river sands, 1-5 parts of an air entraining agent, 3-10 parts of bentonite, 70-80 parts of water, 5-20 parts of a butadiene styrene rubber emulsion, 5-10 parts of a defoamer, 10-30 parts of glycerol and 10-30 parts of lignocellulose, wherein the air entraining agent comprises sodium abietate, sodium thiosulfate and sodium tripolyphosphate. Compared with the prior art, the anti-cracking ability of the cement mortar is improved, and meanwhile, and the air entraining agent is utilized, so that the durability of the cement mortar is effectively improved. Meanwhile, the fiber material is added to improve the strength of the product, so that the cement mortar provided by the invention has the remarkable characteristics of strong adhesive force, crack resistance, durability, high strength and the like.

Description

Composite cement mortar and preparation method thereof
technical field:
The present invention relates to building material field, composite cement mortar that a kind of construction work is used specifically and preparation method thereof.
background technology:
Cement is widely used at building engineering field as a kind of hydraulic cementing materials, and its main characteristic is to add the plasticity-having after suitable quantity of water, not only can in air, harden, and also can in water, harden.Cement is specially adapted to manufacture concrete, and is widely used in the occasion such as road surfacing, building construction.
In prior art, spread road surface just under cold weather conditions by cement concrete, because of ice and snow unfreezing, often premature failure and destroyed, the working life that does not reach design objective far away, makes troubles and wastes to productive life.Finding after deliberation,, there is relation with the use of air entrapment agent in construction process in the problems such as cement concrete engineering construction surface cracking, seepage, and mixing air entrapment agent can affect concrete strength, but can significantly improve concrete endurance quality.
summary of the invention:
the present invention is directed to the shortcoming and defect existing in prior art, propose a kind of composite cement mortar that can significantly improve durability of product and erosion resistance and preparation method thereof.
The present invention can reach by following measures:
A kind of composite cement mortar, is characterized in that being made up of following component:
Cement, fiber, river sand, air entrapment agent, wilkinite, water, SBR emulsion, defoamer, glycerol, lignocellulose, wherein said air entrapment agent comprises sodium abietate, Sulfothiorine, tripoly phosphate sodium STPP.
In the present invention, each component weight ratio is: cement 30-40 part, fiber 5-10 part, river sand 20-40 part, air entrapment agent 1-5 part, wilkinite 3-10 part, water 70-80 part, SBR emulsion 5-20 part, defoamer 5-10 part, glycerol 10-30 part, lignocellulose 10-30 part.
Fiber described in the present invention is poly-the third fiber or mineral fibre, for improving impervious, cracking resistance, anti-impact mill and the freezing tolerance of mortar.
Air entrapment agent described in the present invention is mixed by following component: 100 parts of sodium abietates, Sulfothiorine 10-30 part, tripoly phosphate sodium STPP 1-5 part.
In the present invention, can also comprise the perlite powder of 40-60 part, for increasing the frost resistance of sand-cement slurry, prevent engineering construction cracking.
The present invention also comprises calcium sulfate, and wherein calcium sulfate 1-5 part, for regulating the time of coagulation of mortar.
The present invention can also comprise thickening material, thickening material 1-3 part, and preferred cellulose ethers organic thickening agent or propylene class organic thickening agent, for water-keeping thickening, improve the wet viscosity of workability and mortar.
The each component of the present invention is preferably 35 parts of cement, 6 parts of fibers, 30 parts of river sands, 3 parts of air entrapment agents, 5 parts of wilkinites, 70 parts, water, 50 parts of perlites, 3 parts, calcium sulfate, 1 part of thickening material; 9 parts of SBR emulsions, 6 parts of defoamers, 15 parts of glycerol; 20 parts of lignocelluloses, wherein, by adding perlite, can improve cracking resistance, the anti-freezing property of mortar; by adding wilkinite, thickening material etc., regulate the degree of cohering of mortar, improve the resistance to cleavage of product.
A preparation method for composite cement mortar, is characterized in that getting each component by said ratio, first cement, fiber and river sand is fully mixed, and then gets all the other components and adds successively in mixture, constantly stirs, and forms sand-cement slurry.
The present invention compared with prior art, utilize that perlite is lightweight, thermal conductivity is low, corrosion-resistant, freeze-thawing resistant, drying shrinkage and the feature such as immersion linear deformation rate is little, improve the resistance to cleavage of sand-cement slurry, utilized air entrapment agent simultaneously, effectively improve the weather resistance of sand-cement slurry, and add filamentary material simultaneously, and improve the intensity of product, make sand-cement slurry of the present invention there is the distinguishing features such as strong adhesion, cracking resistance, durable, high strength.
embodiment:
Below in conjunction with embodiment, the present invention is further illustrated.
embodiment 1:
A kind of composite cement mortar, is characterized in that being made up of following component:
Cement, fiber, river sand, air entrapment agent, wilkinite, water, wherein said air entrapment agent comprises sodium abietate, Sulfothiorine, tripoly phosphate sodium STPP, wherein in the present invention, each component weight ratio is: 32 parts of cement, 10 parts of fibers, 25 parts of river sands, 3 parts of air entrapment agents, 6 parts of wilkinites, 75 parts, water, 16 parts of SBR emulsions, 8 parts of defoamers, 25 parts of glycerol, 27 parts of lignocelluloses, wherein said fiber is poly-the third fiber or mineral fibre, for improving the impervious of mortar, cracking resistance, anti-impact mill and freezing tolerance, described air entrapment agent is mixed by following component: 100 parts of sodium abietates, 30 parts, Sulfothiorine, 3 parts of tripoly phosphate sodium STPPs, in the present invention, also comprise the perlite powder of 55 parts, for increasing the frost resistance of sand-cement slurry, prevent engineering construction cracking, the present invention also comprises calcium sulfate, wherein 4 parts, calcium sulfate, for regulating the time of coagulation of mortar, the present invention also comprises thickening material, 2 parts of thickening materials, preferred cellulose ethers organic thickening agent or propylene class organic thickening agent, for water-keeping thickening, improve the wet viscosity of workability and mortar.
When use, get each component by said ratio, first cement, fiber and river sand are fully mixed, then get all the other components and add successively in mixture, constantly stir, form sand-cement slurry, adopt this mortar to construct to engineering construction surface, can effectively improve resistance to cleavage.
embodiment 2:
A kind of composite cement mortar, is characterized in that being made up of following component:
Cement, fiber, river sand, air entrapment agent, wilkinite, water, wherein said air entrapment agent comprises sodium abietate, Sulfothiorine, tripoly phosphate sodium STPP, wherein in the present invention, each component weight ratio is: 37 parts of cement, 8 parts of fibers, 32 parts of river sands, 3 parts of air entrapment agents, 6 parts of wilkinites, 75 parts, water, 18 parts of SBR emulsions, 6 parts of defoamers, 18 parts of glycerol, 25 parts of lignocelluloses, wherein said fiber is poly-the third fiber or mineral fibre, for improving the impervious of mortar, cracking resistance, anti-impact mill and freezing tolerance, described air entrapment agent is mixed by following component: 100 parts of sodium abietates, 30 parts, Sulfothiorine, 3 parts of tripoly phosphate sodium STPPs, in the present invention, also comprise the perlite powder of 55 parts, for increasing the frost resistance of sand-cement slurry, prevent engineering construction cracking, the present invention also comprises calcium sulfate, wherein 4 parts, calcium sulfate, for regulating the time of coagulation of mortar, the present invention also comprises thickening material, 3 parts of thickening materials, preferred cellulose ethers organic thickening agent or propylene class organic thickening agent, for water-keeping thickening, improve the wet viscosity of workability and mortar.
When use, get each component by said ratio, first cement, fiber and river sand are fully mixed, then get all the other components and add successively in mixture, constantly stir, form sand-cement slurry, adopt this mortar to construct to engineering construction surface, can effectively improve resistance to cleavage.
embodiment 3:
A kind of composite cement mortar, is characterized in that being made up of following component:
Cement, fiber, river sand, air entrapment agent, wilkinite, water, wherein said air entrapment agent comprises sodium abietate, Sulfothiorine, tripoly phosphate sodium STPP, wherein in the present invention, each component weight ratio is: 36 parts of cement, 8 parts of fibers, 32 parts of river sands, 3 parts of air entrapment agents, 5 parts of wilkinites, 77 parts, water, 20 parts of SBR emulsions, 7 parts of defoamers, 16 parts of glycerol, 23 parts of lignocelluloses, wherein said fiber is poly-the third fiber or mineral fibre, for improving the impervious of mortar, cracking resistance, anti-impact mill and freezing tolerance, described air entrapment agent is mixed by following component: 100 parts of sodium abietates, 30 parts, Sulfothiorine, 3 parts of tripoly phosphate sodium STPPs, in the present invention, also comprise the perlite powder of 55 parts, for increasing the frost resistance of sand-cement slurry, prevent engineering construction cracking, the present invention also comprises calcium sulfate, wherein 4 parts, calcium sulfate, for regulating the time of coagulation of mortar, the present invention also comprises thickening material, 2 parts of thickening materials, preferred cellulose ethers organic thickening agent or propylene class organic thickening agent, for water-keeping thickening, improve the wet viscosity of workability and mortar.
When use, get each component by said ratio, first cement, fiber and river sand are fully mixed, then get all the other components and add successively in mixture, constantly stir, form sand-cement slurry, adopt this mortar to construct to engineering construction surface, can effectively improve resistance to cleavage.
The present invention compared with prior art, utilize that perlite is lightweight, thermal conductivity is low, corrosion-resistant, freeze-thawing resistant, drying shrinkage and the feature such as immersion linear deformation rate is little, improve the resistance to cleavage of sand-cement slurry, utilized air entrapment agent simultaneously, effectively improve the weather resistance of sand-cement slurry, and add filamentary material simultaneously, and improve the intensity of product, make sand-cement slurry of the present invention there is the distinguishing features such as strong adhesion, cracking resistance, durable, high strength.

Claims (9)

1. a composite cement mortar, is characterized in that being made up of following component:
Cement, fiber, river sand, air entrapment agent, wilkinite, water, SBR emulsion, defoamer, glycerol, lignocellulose, wherein said air entrapment agent comprises sodium abietate, Sulfothiorine, tripoly phosphate sodium STPP.
2. a kind of composite cement mortar according to claim 1, it is characterized in that each component weight ratio is: cement 30-40 part, fiber 5-10 part, river sand 20-40 part, air entrapment agent 1-5 part, wilkinite 3-10 part, water 70-80 part, SBR emulsion 5-20 part, defoamer 5-10 part, glycerol 10-30 part, lignocellulose 10-30 part.
3. a kind of composite cement mortar according to claim 1, is characterized in that described fiber is for poly-the third fiber or mineral fibre.
4. a kind of composite cement mortar according to claim 1, is characterized in that described air entrapment agent is mixed by following component: 100 parts of sodium abietates, Sulfothiorine 10-30 part, tripoly phosphate sodium STPP 1-5 part.
5. a kind of composite cement mortar according to claim 1, is characterized in that also comprising the perlite powder of 40-60 part.
6. a kind of composite cement mortar according to claim 5, characterized by further comprising calcium sulfate, wherein calcium sulfate 1-5 part.
7. a kind of composite cement mortar according to claim 6, is characterized in that comprising thickening material, thickening material 1-3 part, and thickening material is cellulose ethers organic thickening agent or propylene class organic thickening agent.
8. a kind of composite cement mortar according to claim 7, is characterized in that each component is: 35 parts of cement, 6 parts of fibers, 30 parts of river sands, 3 parts of air entrapment agents, 5 parts of wilkinites, 70 parts, water, 50 parts of perlites, 3 parts, calcium sulfate, 1 part of thickening material; 9 parts of SBR emulsions; 6 parts of defoamers, 15 parts of glycerol, 20 parts of lignocelluloses.
9. a preparation method for composite cement mortar as claimed in claim 8, is characterized in that getting each component by said ratio, first cement, fiber and river sand is fully mixed, and then gets all the other components and adds successively in mixture, constantly stirs, and forms sand-cement slurry.
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CN201310730206.5A 2013-12-26 2013-12-26 Compound cement mortar and preparation method thereof CN103803875A (en)

Priority Applications (1)

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CN201310730206.5A CN103803875A (en) 2013-12-26 2013-12-26 Compound cement mortar and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201310730206.5A CN103803875A (en) 2013-12-26 2013-12-26 Compound cement mortar and preparation method thereof

Publications (1)

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CN103803875A true CN103803875A (en) 2014-05-21

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041577A (en) * 2006-03-23 2007-09-26 同济大学 Polystyrene foam particle heat-insulating mortar
CN103304191A (en) * 2013-06-17 2013-09-18 大庆市建坤建筑材料有限公司 Special masonry mortar for insulating building block

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101041577A (en) * 2006-03-23 2007-09-26 同济大学 Polystyrene foam particle heat-insulating mortar
CN103304191A (en) * 2013-06-17 2013-09-18 大庆市建坤建筑材料有限公司 Special masonry mortar for insulating building block

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Application publication date: 20140521