CN105367008B - A kind of St/ba Soap-free Emulsion polymer concrete and preparation method thereof - Google Patents
A kind of St/ba Soap-free Emulsion polymer concrete and preparation method thereof Download PDFInfo
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- CN105367008B CN105367008B CN201510933729.9A CN201510933729A CN105367008B CN 105367008 B CN105367008 B CN 105367008B CN 201510933729 A CN201510933729 A CN 201510933729A CN 105367008 B CN105367008 B CN 105367008B
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Abstract
The invention belongs to field of compound material, and in particular to a kind of St/ba Soap-free Emulsion polymer concrete and preparation method thereof.The St/ba Soap-free Emulsion polymer concrete, is made of the raw material of following parts by weight：100 200 parts of cement, 50 100 parts of sand, 20 50 parts of mica powder, 0.1 0.2 parts of water-reducing agent, 0.01 0.06 parts of antifoaming agent, 10 60 parts of St/ba Soap-free Emulsion, 50 150 parts of water.The preparation method is relatively simple, and the raw material of above-mentioned parts by weight is uniformly mixed, is then poured into mold, reaches form removal after appropraite condition, and standard curing, dry maintenance finally obtain the St/ba Soap-free Emulsion polymer concrete.St/ba Soap-free Emulsion polymer concrete prepared by the present invention has excellent insulation performance and compressive resistance appropriate, is suitable for large-scale industrial production.
Description
Technical field
The invention belongs to field of compound material, and in particular to a kind of St/ba Soap-free Emulsion polymer concrete and its preparation side
Method.
Background technology
With the rapid development of modern science and technology, to the performance of material, more stringent requirements are proposed.Polymer concrete
It is by polymer admixture, mix, is impregnated into a kind of organic composite material formed in concrete, performance combines polymeric material
Material, cement inorganic material and concrete material performance have high intensity, height insulation, high temperature resistant, easy heat radiation, durability good, resistance to
The advantages that mill, resistant to chemical etching, high permeability resistant, high elastic modulus.Soap-free emulsion refers to being not added with completely in emulsion polymerization process
Enter emulsifier, or the lotion of micro emulsifier (being less than critical micelle concentration CMC) is only added.Compared to general polymer lotion,
Emulsifier-free emulsion polymerization has the following advantages:1. due to the addition of not no emulsifier, electrical property, the optics of polymerizate are improved
Performance, surface property, water resistance and film forming；2. emulsion polymerization cost reduction, aftertreatment technology reduction；What 3. polymerization obtained
Latex particle monodispersity is good, and surface " cleaning ", grain size is big, and film forming speed is fast；4. by the way that ionic initiator residue, parent is added
Aqueous or ionic comonomer etc. forms charged layer on the surface of polymer beads, to realize the stability of soap-free emulsion.
Therefore, polymer is prepared since the impurity contents such as emulsifier are few using soap-free emulsion substitution conventional emulsions, can make polymer coagulation
Soil has more excellent performance.The present invention is to provide a kind of St/ba Soap-free Emulsion polymer concretes, can be applied to pre-
Make sandwich panelling, underground structure (such as manhole), sewage conduct, electric insulation, transformer base field.
Invention content
The present invention is directed to the polymer concretes that processability is more excellent, introduce St/ba Soap-free Emulsion and substitute conventional breast
Liquid so that concrete test block internal voids aperture is less than 100 μm, has excellent insulation performance and mechanical performance.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of St/ba Soap-free Emulsion polymer concrete, by
The raw material of following parts by weight forms：100-200 parts of cement, 50-100 parts of sand, 20-50 parts of mica powder, 0.1-0.2 parts of water-reducing agent,
0.01-0.06 parts of antifoaming agent, 10-60 parts of St/ba Soap-free Emulsion, 50-150 parts of water.
Specifically, the cement most preferably Portland cement, the sand most preferably river sand, the St/ba Soap-free Emulsion
Solid content most preferably 30%-48%, the water-reducing agent most preferably poly carboxylic acid series water reducer, the antifoaming agent is most preferably
One kind in the modest antifoaming agent of this moral of Derform W-098, i.e. hamming.Polycarboxylate water-reducer (Polycarboxylate
Superplasticizer it is) a kind of high-performance water reducing agent, is a kind of cement dispersants during cement concrete uses.It answers extensively
For engineerings such as highway, bridge, dam, tunnel, skyscrapers.The product are environmentally protective, nonflammable, non-explosive, can make safely
With train and Automobile Transportation.
Preferably, the solid content of the St/ba Soap-free Emulsion is 33.5%.
Preferably, the weight ratio of the antifoaming agent and the St/ba Soap-free Emulsion is 1：1000.
The present invention also provides the preparation methods of above-mentioned St/ba Soap-free Emulsion polymer concrete, include the following steps：It is all
The parts by weight of raw material press same weight basis,
S1:By 100-200 parts of cement, 50-100 parts of sand, 20-50 parts of mica powder, 0.1-0.2 parts of water-reducing agent, antifoaming agent
0.01-0.06 parts, be sufficiently stirred in 50-150 parts of addition blenders of 10-60 parts of St/ba Soap-free Emulsion and water, obtain each raw material mixing
Uniform mixture；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, form removal takes
Go out sample block, is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain soap-free styrene
Emulsion polymer concrete.
Specifically, the standard curing described in S2 is to conserve 28 under 20 ± 2 DEG C of environment with 95% or more relative humidity
It.
Compared to the prior art, the preparation method of a kind of St/ba Soap-free Emulsion polymer concrete provided by the invention, tool
There is following advantageous effect：
1, the polymer concrete is using the mica powder and St/ba Soap-free Emulsion suitably matched as insulating properties filler, suitably to match
For the sand of ratio as reinforcing filler, the insulation performance and compressive resistance of obtained concrete are significantly better than same polymer concrete.
2, the rational proportion of each component, and introduce St/ba Soap-free Emulsion, can make inside polymer concrete sample
The aperture in gap be down to 100 μm hereinafter, and reduce the Free water inside sample, to improve its insulation performance.
3, properly mixed St/ba Soap-free Emulsion is introduced, the content without emulsifier or emulsifier is very low, than mixing other
The insulation performance of polymer concrete obtained by the styrene-acrylic emulsion of type is more preferable.
In conclusion function admirable of the present invention, raw material is simple and easy to get, easy for construction, is suitable for large-scale industrial production；
After use, polymer concrete obtained not only has high insulating property, and has very excellent mechanical performance, the following meeting
With good development prospect.
Specific implementation mode
Below by specific embodiment, the invention will be further described, and following embodiment is descriptive, is not limit
Qualitatively, protection scope of the present invention cannot once be limited.
Method used in the present invention is unless otherwise required conventional method, reagent used in the present invention, such as
It is commercial product without particular provisions.
Embodiment 1
The preparation method of St/ba Soap-free Emulsion polymer concrete, includes the following steps：The parts by weight of all raw materials are equal
By same weight basis,
S1:By 100 parts of cement, 50 parts of river sand, 50 parts of mica powder, 0.1 part of poly carboxylic acid series water reducer, antifoaming agent (Deform
W-098) 0.1 part, be sufficiently stirred in 90 parts of addition blenders of 10 parts of the St/ba Soap-free Emulsion of solid content 33.5% and water, get Ge Yuan
The uniformly mixed mixture of material；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, form removal takes
Go out sample block, is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain soap-free styrene
Emulsion polymer concrete.
Embodiment 2
The preparation method of St/ba Soap-free Emulsion polymer concrete, includes the following steps：The parts by weight of all raw materials are equal
By same weight basis,
S1:By 100 parts of cement, 50 parts of river sand, 50 parts of mica powder, 0.1 part of poly carboxylic acid series water reducer, antifoaming agent (Deform
W-098) 0.06 part, be sufficiently stirred in 70 parts of addition blenders of 60 parts of the St/ba Soap-free Emulsion of solid content 33.5% and water, obtain respectively
The uniformly mixed mixture of raw material；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, form removal takes
Go out sample block, is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain soap-free styrene
Emulsion polymer concrete.
Embodiment 3
The preparation method of St/ba Soap-free Emulsion polymer concrete, includes the following steps：The parts by weight of all raw materials are equal
By same weight basis,
S1:By 100 parts of cement, 50 parts of river sand, 20 parts of mica powder, 0.1 part of poly carboxylic acid series water reducer, antifoaming agent (Deform
W-098) 0.06 part, be sufficiently stirred in 55 parts of addition blenders of 60 parts of the St/ba Soap-free Emulsion of solid content 33.5% and water, obtain respectively
The uniformly mixed mixture of raw material；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, form removal takes
Go out sample block, is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain soap-free styrene
Emulsion polymer concrete.
Embodiment 4
The preparation method of St/ba Soap-free Emulsion polymer concrete, includes the following steps：The parts by weight of all raw materials are equal
By same weight basis,
S1:By 200 parts of cement, 100 parts of river sand, 30 parts of mica powder, 0.1 part of poly carboxylic acid series water reducer, antifoaming agent (Deform
W-098) 0.06 part, be sufficiently stirred in 110 parts of addition blenders of 60 parts of the St/ba Soap-free Emulsion of solid content 48% and water, get Ge Yuan
The uniformly mixed mixture of material；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, form removal takes
Go out sample block, is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain soap-free styrene
Emulsion polymer concrete.
Embodiment 5
The preparation method of St/ba Soap-free Emulsion polymer concrete, includes the following steps：The parts by weight of all raw materials are equal
By same weight basis,
S1:By 100 parts of cement, 100 parts of river sand, 40 parts of mica powder, 0.1 part of poly carboxylic acid series water reducer, antifoaming agent (Deform
W-098) 0.06 part, be sufficiently stirred in 80 parts of addition blenders of 60 parts of the St/ba Soap-free Emulsion of solid content 48% and water, get Ge Yuan
The uniformly mixed mixture of material；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, form removal takes
Go out sample block, is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain soap-free styrene
Emulsion polymer concrete.
Comparative example 1
Compared to embodiment 1, the styrene-acrylic emulsion used in comparative example 1 is prepared for conventional emulsion polymerization method, and styrene-acrylic emulsion is solid
Content is 33.5%.Other conditions are identical with the condition of embodiment 1.
Comparative example 2
Compared to embodiment 2, the styrene-acrylic emulsion used in comparative example 2 is prepared for conventional emulsion polymerization method, and styrene-acrylic emulsion is solid
Content is 33.5%.Other conditions are identical with the condition of embodiment 2.
Comparative example 3
Compared to embodiment 3, the styrene-acrylic emulsion used in comparative example 3 is prepared for conventional emulsion polymerization method, and styrene-acrylic emulsion is solid
Content is 33.5%.Other conditions are identical with the condition of embodiment 3.
Comparative example 4
Compared to embodiment 4, the styrene-acrylic emulsion used in comparative example 4 is prepared for conventional emulsion polymerization method, is specifically used
It makes a living up to the S01- styrene-acrylic emulsions of Chemical Manufacture, solid content 48%.Other conditions are identical with the condition of embodiment 4.
Comparative example 5
Compared to embodiment 5, the styrene-acrylic emulsion used in comparative example 5 is prepared for conventional emulsion polymerization method, is specifically used
It makes a living up to the S01- styrene-acrylic emulsions of Chemical Manufacture, solid content 48%.Other conditions are identical with the condition of embodiment 5.
The performance of polymer concrete obtained by embodiment 1 to 5 and comparative example 1 to 5 is tested, test method and
Gained performance data is as shown in the table：
According to upper table as it can be seen that the St/ba Soap-free Emulsion polymer concrete produced using formula provided by the invention and method
Dielectric strength is very high, has good insulation performance, and at the same time, the compressive resistance of obtained concrete is high, above 2 points
All have practical value；It is provided by the invention to mix compared to the concrete of the styrene-acrylic emulsion of incorporation conventional emulsion polymerization method production
The concrete for entering St/ba Soap-free Emulsion has higher dielectric strength, it means that St/ba Soap-free Emulsion polymerization prepared by the present invention
Object concrete insulating properties is more preferable.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of St/ba Soap-free Emulsion polymer concrete, which is characterized in that be made of the raw material of following parts by weight：Cement 100-
200 parts, 50-100 parts of sand, 20-50 parts of mica powder, 0.1-0.2 parts of water-reducing agent, 0.01-0.06 parts of antifoaming agent, St/ba Soap-free Emulsion
10-60 parts, 50-150 parts of water.
2. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 1, which is characterized in that the cement is general
Logical portland cement.
3. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 1, which is characterized in that the sand is river
Sand.
4. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 1, which is characterized in that the soap-free styrene
The solid content of lotion is 30%-48%.
5. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 4, which is characterized in that the soap-free styrene
The solid content of lotion is 33.5%.
6. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 1, which is characterized in that the water-reducing agent is
Poly carboxylic acid series water reducer.
7. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 1, which is characterized in that the antifoaming agent is
Derform W-098。
8. a kind of St/ba Soap-free Emulsion polymer concrete according to claim 1, which is characterized in that the antifoaming agent with
The weight ratio of the St/ba Soap-free Emulsion is 1：1000.
9. a kind of preparation method of St/ba Soap-free Emulsion polymer concrete of claim 1 to 8 any one of them, feature exist
In including the following steps：
The parts by weight of all raw materials press same weight basis,
S1:By 100-200 parts of cement, 50-100 parts of sand, 20-50 parts of mica powder, 0.1-0.2 parts of water-reducing agent, antifoaming agent 0.01-
0.06 part, be sufficiently stirred in 50-150 parts of addition blenders of 10-60 parts of St/ba Soap-free Emulsion and water, obtain what each raw material was uniformly mixed
Mixture；
S2:The mixture prepared in S1 is poured into sample preparation in mold, stands 1 day after fully vibrating at room temperature, sample is taken out in form removal
Block is put into concrete curing box and carries out standard curing；
S3:Sample block in S2 is taken out from curing box, is placed under room temperature and drying condition and conserves 7 days, obtain St/ba Soap-free Emulsion
Polymer concrete.
10. a kind of preparation method of St/ba Soap-free Emulsion polymer concrete according to claim 9, which is characterized in that
Standard curing described in S2 is to be conserved 28 days under 20 ± 2 DEG C of environment with 95% or more relative humidity.
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| CN105777016B (en) * | 2016-04-08 | 2018-05-22 | 湖北大学 | A kind of high voltage tolerant input electric pipe material and preparation method thereof |
| CN105837122B (en) * | 2016-04-20 | 2021-04-06 | 武汉南瑞电力工程技术装备有限公司 | High-insulation polymer concrete for power transmission pipeline and preparation method thereof |
| CN106747121B (en) * | 2017-01-23 | 2020-01-31 | 国网电力科学研究院武汉南瑞有限责任公司 | high-insulation dense polymer concrete and preparation method and application thereof |
| CN107721323B (en) * | 2017-11-24 | 2020-07-03 | 广东龙湖科技股份有限公司 | Concrete capable of effectively resisting organic solvent corrosion |
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| "无皂苯丙乳液合成及其对水泥基材料性能影响的研究";刘刚;《中国优秀硕士学位论文数据库 工程Ⅱ辑》;20140415;第69-71页 * |
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