CN107759132A - A kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof - Google Patents
A kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof Download PDFInfo
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- CN107759132A CN107759132A CN201711041004.4A CN201711041004A CN107759132A CN 107759132 A CN107759132 A CN 107759132A CN 201711041004 A CN201711041004 A CN 201711041004A CN 107759132 A CN107759132 A CN 107759132A
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Abstract
The invention discloses a kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof.The novel high-performance sand base automatically cleaning water-permeable brick is made up of automatically cleaning sand foundation base and normal sands base basic unit.Preparation method comprises the following steps：1st, talcum is made by equi-volume impregnating and loads P TiO2；2nd, quartz sand, epoxy resin, curing agent, talcum are loaded into P TiO2Obtained automatically cleaning sand foundation base and normal sands base basic unit are mixed Deng raw material；3rd, novel high-performance sand base automatically cleaning water-permeable brick is made by two layers of cloth, compressing mode.The present invention solves nano-TiO in sand base automatically cleaning water-permeable brick preparation process2Easily reunite the problems such as easily blocking water-permeable brick hole with pollutants such as flue gases, there is preparation technology letter, TiO2The advantages that utilization rate is high, automatically cleaning effect is good, good endurance, effectively improve the self-cleaning performance and water permeability of water-permeable brick.
Description
Technical field
The present invention relates to building material field, more particularly to a kind of novel high-performance sand base automatically cleaning water-permeable brick and its system
Preparation Method.
Background technology
In recent years, developing rapidly due to urbanization, for alleviate urban waterlogging problem, China propose have ooze, be stagnant, store,
Only, the sponge physical construction planning of the multiple technologies such as use, row integration.And the research and development of water-permeable brick are even more the weight of sponge urban planning
Want a ring.Chinese scholar is had been developed that with high intensity, high permeable, low cost sand base water-permeable brick, but because of its porosity at present
Larger, dust-proof, the antifouling effect of sand base water-permeable brick is poor, and surface is easy to contaminated thing and blocked, and significantly reduces its adaptability
And durability, thus the research and development of sand base automatically cleaning water-permeable brick are just particularly important.
Automatically cleaning water-permeable brick is generally with nano-TiO2, can will be hydrocarbon under the ultraviolet even irradiation of visible ray for presoma
Compound is decomposed into carbon dioxide and oxygen, so as to decompose water-permeable brick surface and intrapore organic and mineral contaminants, realizes
The self-cleaning function of material.It is at present to use negative pressure method by TiO more2Presoma is uniformly sprayed into the hole of water-permeable brick, is forged through secondary
Fire derived from cleaning water-permeable brick, but because the technology is using very high temperature progress secondary clacining, do not meet current " green low
The environmental protection concept of carbon ", and by TiO2In the hole of matrix, its water permeability, while some can be influenceed to a certain extent
The TiO being entrained in inside water-permeable brick2Due to can not be irradiated by light, its Photocatalytic Degradation Property is difficult to be utilized effectively,
TiO greatly reduces2Utilization rate.In addition, nano-TiO2Photocatalysis effect also rarely have in the application of sand base water-permeable brick and grind
Study carefully.The problem of existing for prior art and the limitation of research field, need a kind of novel high-performance sand base automatically cleaning of exploitation badly
Water-permeable brick.
The content of the invention
The present invention solves the technical problem of provide a kind of novel high-performance sand base automatically cleaning water-permeable brick and its preparation
Method, it can solve the problem that nano-TiO in sand base automatically cleaning water-permeable brick preparation process2Easily reuniting, it is permeable easily to block with pollutants such as flue gases
It is the problems such as brick hole, simple with preparation technology, TiO2The advantages that utilization rate is high, and automatically cleaning effect is good, good endurance, effectively carries
The self-cleaning performance and water permeability of water-permeable brick are risen.
A kind of novel high-performance sand base automatically cleaning water-permeable brick proposed by the present invention, by automatically cleaning sand foundation base and normal sands base
Basic unit is formed, and the thickness ratio of automatically cleaning sand foundation base and normal sands base basic unit is 1 to 6, and point two layers of progress cloth, upper strata is from clear
Clean sand foundation base, lower floor are normal sands base basic unit, are made by compressing；Wherein：
Automatically cleaning sand foundation base is made from the following raw materials in parts by weight：Quartz sand 85-90 parts, epoxy resin 3-4 parts, curing agent 1-
1.2 parts, P-TiO2Colloidal sol 5.6-7.2 parts, high polymer dispersant 4-5 parts, modified talc powder 18-22.5 parts, silica flour 0.3-0.5
Part；
Normal sands base basic unit is made from the following raw materials in parts by weight：Quartz sand 510-540 parts, epoxy resin 18-20 parts, curing agent
5-6 parts, silica flour 1.5-2.5 parts.
In the present invention, the epoxy resin uses E12 epoxy resin or E13 epoxy resin；The curing agent is solid using 593
Agent or H-113 curing agent；The high polymer dispersant is copolymerized using butyl acrylate or styrene-acrylic acid (ester) class
Thing.
In the present invention, quartz sand particle size used is 60-80 mesh, and particle is circle.
In the present invention, the modification mode of the modified talc powder is to use HNO3Solution is modified.
A kind of preparation method of novel high-performance sand base automatically cleaning water-permeable brick according to claim 1, specific steps
It is as follows：
（1）By equi-volume impregnating by P-TiO2Colloidal sol is supported on modified talc powder, and talcum load P-TiO is made2；
（2）Quartz sand, epoxy resin, curing agent, silica flour are mixed, normal sands base basic unit is made；
（3）By quartz sand, epoxy resin, curing agent, high polymer dispersant, silica flour, step（1）Obtained talcum load P-
TiO2Mix, automatically cleaning sand foundation base is made；
（4）Normal sands base basic unit and automatically cleaning sand foundation base are successively subjected to uniform distribution in a mold, and use forcing press,
Suppressed 1.5 minutes under 15Mpa pressure, obtain required water-permeable brick.
By using above-mentioned technical scheme, the beneficial effects of the invention are as follows：
Tonneau P-TiO of the present invention2Hydrocarbon can be decomposed into the characteristic of carbon dioxide and oxygen under visible light illumination,
Using high polymer dispersant, by P-TiO2Uniform load prevents P-TiO on modified talc powder2Reunite in loading process
Phenomenon, and talcum is loaded by P-TiO by epoxy resin and curing agent2Effectively solidify with quartz sand, significantly improve P-TiO2In sand
Stability and durability in base water-permeable brick.By setting automatically cleaning sand foundation base and normal sands base basic unit, cloth is carried out at twice
Material, significantly improves P-TiO2Utilization rate and automatically cleaning effect, decompose organic and inorganic dirt of water-permeable brick surface and hole
Thing, realize the function of the self-cleaning function of material.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Embodiment 1
The present invention provides a kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof, and preparation process is as follows:①
P-TiO2The preparation of colloidal sol；2. the preparation of modified talc；3. talcum loads P-TiO2Preparation；4. novel high-performance sand base is from clear
The preparation of clean water-permeable brick.Specific preparation process is as follows：
① P-TiO2The preparation of colloidal sol：
（1）First 30ml absolute ethyl alcohols are added in beaker, while magnetic agitation, add 10 ml butyl titanates and 6ml
Glacial acetic acid, magnetic agitation 2h, obtained solution a;
（2）20ml absolute ethyl alcohols are added in another beaker, while magnetic agitation, add 3ml phosphoric acid, magnetic agitation
1h, obtained solution b；
（3）Solution a is slowly dropped in solution b under conditions of magnetic agitation, adds 2ml butyl acrylates, after
Continuous magnetic agitation 30min, is made P-TiO2Colloidal sol.
2. the preparation of modified talc powder：
20g talcum powder is dissolved in 50ml water, the h of magnetic agitation 1, stands, then filter out upper liquid and liquid level impurity, dried.
Talcum powder after drying is added to the HNO that 50ml mass concentrations are 50%3In solution, soak, washed under the conditions of 40 DEG C
Property, filter, drying, modified talc powder is made after 2h is calcined under the conditions of 200 DEG C.
3. talcum loads P-TiO2Preparation：
Using equi-volume impregnating by step 1. obtained P-TiO2Colloidal sol obtained modified talc in being slowly dropped to step 2.
In powder, continue magnetic agitation 30min, impregnate 3h, drying, be calcined 2h at 600 DEG C, be ground to 800 mesh, washed with distillation
Only, dry, load 2 obtained talcum load P-TiO altogether2。
4. the preparation of novel high-performance sand base automatically cleaning water-permeable brick：
520g quartz sands, 18g E12 epoxy resin, the curing agent of 6g 593,2g silica flours are mixed normal sands base base is made
Layer；86g quartz sands, 3.5g E12 epoxy resin, the curing agent of 1.2g 593,0.4g silica flours, 25g such as steps is 3. described obtained
Talcum load P-TiO2Mix and automatically cleaning sand foundation base is made；By normal sands base basic unit and automatically cleaning sand foundation base successively
Cloth is carried out in 160mm*130mm*40mm moulds, and uses forcing press, is suppressed 1.5 minutes under 15Mpa pressure, is made new
Type high-performance sand base automatically cleaning water-permeable brick, size 160mm*130mm*25mm.
Embodiment 2
The present invention provides a kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof, and preparation process is as follows:①
P-TiO2The preparation of colloidal sol；2. the preparation of modified talc；3. talcum loads P-TiO2Preparation；4. novel high-performance sand base is from clear
The preparation of clean water-permeable brick.Specific preparation process is as follows：
Wherein, step 1., 2., 3. with embodiment 1；
4. 530g quartz sands, 20g E13 epoxy resin, 6g H-113 curing agent, 2.5g silica flours are mixed and are made common
Sha Ji basic units；By 85g quartz sands, 3.5g E13 epoxy resin, 1.2g H-113 curing agent, 0.5g silica flours, 28g such as embodiments
3. the obtained talcum loads P-TiO to 1 step2Mix and automatically cleaning sand foundation base is made；By normal sands base basic unit and certainly
Cleaning sand foundation base successively carries out cloth in 160mm * 130mm * 40mm moulds, and uses forcing press, in 15Mpa pressure
Lower compacting 1.5 minutes, is made novel high-performance sand base automatically cleaning water-permeable brick, and size is：160mm*130mm*25mm.
Performance test
The novel high-performance sand base automatically cleaning water-permeable brick that embodiment 1,2 obtains is molded respectively, and by Examples 1 and 2 from clearly
Clean sand foundation base is replaced by the normal sands base basic unit of equivalent and is molded respectively, is named as comparative example 1 and 2.After specimen molding i.e.
With covered rearing with plastic film surface, it is placed in 20 ± 5 DEG C of environment and stands 24 hours, then number, form removal.Immediately will examination after form removal
It is 20 ± 2 DEG C that part, which moves into temperature, is conserved under the conditions of the standard curing that relative humidity is more than 95% to 28d, it is anti-then to detect it
Compressive Strength, coefficient of permeability, water retention, permeable timeliness, the compression strength after 6 months and coefficient of permeability.
Measurement result is shown in Table 1：
| Embodiment 1 | Comparative example 1 | Embodiment 2 | Comparative example 2 | |
| Compression strength（MPa） | 45.5 | 43.3 | 48.8 | 46.1 |
| Coefficient of permeability（10-2cm/s） | 13.1 | 11.8 | 13.9 | 11.7 |
| Water retention（g/cm3） | 0.16 | 0.15 | 0.16 | 0.16 |
| Permeable timeliness（It is secondary） | 13 | 12 | 13 | 12 |
| Use compression strength after 6 months（MPa） | 44.7 | 42.1 | 47.9 | 45.2 |
| Use coefficient of permeability after 6 months（10-2cm/s） | 12.7 | 10.1 | 13.1 | 10.1 |
As shown in Table 1, the water permeability and compression strength of the novel high-performance sand base automatically cleaning water-permeable brick prepared by the present invention
It is excellent, and there is higher water retention and permeable timeliness, it is smaller using coefficient of permeability decay after 6 months.
The above-mentioned description to embodiment is understood for ease of those skilled in the art and using invention.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should it is described using scope of the claims as
It is accurate.
Claims (5)
1. a kind of novel high-performance sand base automatically cleaning water-permeable brick, it is characterised in that by automatically cleaning sand foundation base and normal sands base base
Layer is formed, and the thickness ratio of automatically cleaning sand foundation base and normal sands base basic unit is 1 to 6, and point two layers of progress cloth, upper strata is automatically cleaning
Sand foundation base, lower floor are normal sands base basic unit, are made by compressing；Wherein：
Automatically cleaning sand foundation base is made from the following raw materials in parts by weight：Quartz sand 85-90 parts, epoxy resin 3-4 parts, curing agent 1-
1.2 parts, P-TiO2Colloidal sol 5.6-7.2 parts, high polymer dispersant 4-5 parts, modified talc powder 18-22.5 parts, silica flour 0.3-0.5
Part；
Normal sands base basic unit is made from the following raw materials in parts by weight：Quartz sand 510-540 parts, epoxy resin 18-20 parts, curing agent
5-6 parts, silica flour 1.5-2.5 parts.
2. novel high-performance sand base automatically cleaning water-permeable brick according to claim 1, it is characterised in that the epoxy resin is adopted
With E12 epoxy resin or E13 epoxy resin；The curing agent uses 593 curing agent or H-113 curing agent；The high polymer point
Powder uses butyl acrylate or styrene-acrylic acid (ester) analog copolymer.
3. novel high-performance sand base automatically cleaning water-permeable brick according to claim 1, it is characterised in that quartzy sand grains used
Footpath is 60-80 mesh, and particle is circle.
A kind of 4. novel high-performance sand base automatically cleaning water-permeable brick according to claim 1, it is characterised in that the modification
The modification mode of talcum powder is to use HNO3Solution is modified.
5. a kind of a kind of preparation method of novel high-performance sand base automatically cleaning water-permeable brick as claimed in claim 1, its feature exist
In comprising the following steps that：
（1）By equi-volume impregnating by P-TiO2Colloidal sol is supported on modified talc powder, and talcum load P-TiO is made2；
（2）Quartz sand, epoxy resin, curing agent, silica flour are mixed, normal sands base basic unit is made；
（3）By quartz sand, epoxy resin, curing agent, high polymer dispersant, silica flour, step（1）Obtained talcum load P-
TiO2Mix, automatically cleaning sand foundation base is made；
（4）Normal sands base basic unit and automatically cleaning sand foundation base are successively subjected to uniform distribution in a mold, and use forcing press,
Suppressed 1.5 minutes under 15Mpa pressure, obtain required water-permeable brick.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711041004.4A CN107759132A (en) | 2017-10-31 | 2017-10-31 | A kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711041004.4A CN107759132A (en) | 2017-10-31 | 2017-10-31 | A kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof |
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Cited By (4)
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| CN109279815A (en) * | 2018-11-07 | 2019-01-29 | 同济大学 | A kind of antiskid decorative Dank floor tile and preparation method thereof |
| CN109608101A (en) * | 2018-12-19 | 2019-04-12 | 阜阳市鑫源建材有限公司 | A kind of self-cleaning water-permeable brick in road surface |
| CN110451917A (en) * | 2019-09-04 | 2019-11-15 | 福建中美友拓科技发展有限公司 | A kind of automatically cleaning microporous permeable brick and preparation method thereof based on waste and old mountain flour |
| CN110590278A (en) * | 2019-09-12 | 2019-12-20 | 杨国曙 | Production method of nano composite sand-based self-cleaning environment-friendly water permeable brick and road |
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| EP2957546B1 (en) * | 2014-06-13 | 2016-09-14 | Adana Cimento Sanayii T.A.S. | Self cleaning and air cleaning cement |
| CN106758670A (en) * | 2016-12-15 | 2017-05-31 | 北京碧水源膜科技有限公司 | A kind of multilayer silicon substrate automatically cleaning water-permeable brick and preparation method thereof |
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| 刘文磊: "滑石负载P-TiO2光催化剂的制备及性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279815A (en) * | 2018-11-07 | 2019-01-29 | 同济大学 | A kind of antiskid decorative Dank floor tile and preparation method thereof |
| CN109279815B (en) * | 2018-11-07 | 2021-10-08 | 同济大学 | Antiskid decorative water permeable floor tile and preparation method thereof |
| CN109608101A (en) * | 2018-12-19 | 2019-04-12 | 阜阳市鑫源建材有限公司 | A kind of self-cleaning water-permeable brick in road surface |
| CN110451917A (en) * | 2019-09-04 | 2019-11-15 | 福建中美友拓科技发展有限公司 | A kind of automatically cleaning microporous permeable brick and preparation method thereof based on waste and old mountain flour |
| CN110590278A (en) * | 2019-09-12 | 2019-12-20 | 杨国曙 | Production method of nano composite sand-based self-cleaning environment-friendly water permeable brick and road |
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Application publication date: 20180306 |