CN109912274A - A kind of Green High Performance Polymer cement materials and preparation method thereof using drift-sand - Google Patents
A kind of Green High Performance Polymer cement materials and preparation method thereof using drift-sand Download PDFInfo
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- CN109912274A CN109912274A CN201910148621.7A CN201910148621A CN109912274A CN 109912274 A CN109912274 A CN 109912274A CN 201910148621 A CN201910148621 A CN 201910148621A CN 109912274 A CN109912274 A CN 109912274A
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Abstract
The invention discloses a kind of Green High Performance Polymer cement materials and preparation method thereof using drift-sand, and the composition of this kind of mortar is as follows: 34-36 parts of cement, 29-32 parts of quartz sand, 23-26% parts of drift-sand, 8-10 parts of rubber powder, 0.2-0.6 parts of fiber, 0.1-0.2 parts of water-reducing agent, 0.2-0.4 parts of defoaming agent.The present invention has prepared the Green High Performance Polymer cement materials more more excellent than various aspects of performance such as the mobility of general polymer cement waterproofing mortar, caking property, impermeabilities using drift-sand equivalent substitution part quartz sand.The present invention solves the problems, such as that existing building raw material are in short supply, moreover it is possible to alleviate the Desertification got worse now, make full use of this waste resource of drift-sand, turn waste into wealth, can promote the sustainable development of building waterproofing industry.
Description
Technical field
The invention belongs to architectural waterproof material fields, and in particular to a kind of Green High Performance polymer water using drift-sand
Mud waterproof mortar and preparation method thereof.
Background technique
Due to the increasingly complication of architectural engineering, to buildings waterproof, higher requirements are also raised.In recent years, due to waterproof
The problem of material, which causes exterior wall leakage, ceramic tile bulge to fall off, injures the accidents such as people by a crashing object frequently occurs, and has caused the height of people
Pay attention to.Therefore, it by design of material and optimization, is promoted and improves waterproof material performance, be important problem urgently to be resolved.It passes
System waterproof material experienced long-run development, this waterproof material of Green High Performance Polymer cement materials is now
Building waterproofing industry latest development trend.Polymer cement materials belong to inclined rigidity water-proofing material, compare flexible water material
Material, Polymer cement materials not only equally have the characteristics that high permeability resistant, high cohesive force, also with high temperature resistant, it is durable,
Puncture-resistant, high compact, allowable stress, can construct in moisture substrate, can long term in underwater the advantages that, can apply to
Underground engineering construction.
The waterproof demand of architectural engineering increasingly improves, and the research temperature of High-performance green waterproof material is also constantly being mentioned
It rises, but its raw material is increasingly rare.Currently, possessing a large amount of desert area in western part of China, Desertification is increasingly tight
Weight, there are a large amount of drift-sands for this area, it belongs to a kind of special fine sand, and loosely organized, particle is single, and partial size is small.To environment
Speech, drift-sand are a big harm, and how to administer it is currently a great problem.But if making full use of this waste resource, become
Waste be changed into values, can promote the sustainable development of building trade.Therefore, there is an urgent need to develop a kind of scientific and rational drift-sands to make
With technique, guarantee its popularization and application in Polymer cement materials, and accomplishes environmentally protective.
Summary of the invention
Goal of the invention: it is poly- that in order to solve the above technical problem, the present invention provides a kind of Green High Performances using drift-sand
Close object cement waterproofing mortar and preparation method thereof.
Technical solution: to achieve the goals above, the invention discloses a kind of Green High Performance polymerizations using drift-sand
Object cement waterproofing mortar, the material are mainly prepared by the raw material of following weight ratio:
34-36 parts of cement, 23-26% parts of drift-sand, 8-10 parts of rubber powder, 0.2-0.6 parts of fiber, subtracts 29-32 parts of quartz sand
0.1-0.2 parts of aqua, 0.2-0.4 parts of defoaming agent.
The cement is PO42.5 grades of ordinary portland cements.
The fineness modulus of the quartz sand is 1.6-2.2, partial size 0.25-0.35mm.
The fineness modulus of the drift-sand is 0.7-1.5, partial size 0-0.25mm, water absorption rate 0.6-0.8%.
The rubber powder is redispersible latex powder.
The fiber is that polypropylene fibre is pencil monofilament-type, and tensile strength is greater than 350MPa, fibre diameter 18-
48 μm, limit of stretch is greater than 15%, length 3.0mm.
The water-reducing agent is melamine type sulfonic acid polycondensates powder, and water-reducing rate should be greater than 30%.
The defoaming agent be P803 dry powder defoaming agent, active constituent content 65%, mainly include with inorganic carrier,
Polyethylene glycol and liquid hydrocarbon.
A kind of Green High Performance Polymer cement materials preparation method using drift-sand, feature exist
In, comprising the following steps:
(1) cement, rubber powder, water-reducing agent, defoaming agent are taken, is added in batch mixer and stirs evenly, obtain mixture M1；
(2) quartz sand and drift-sand are uniformly added into M1 in above-mentioned mixture, equal refining M2 is obtained after stirring；
(3) it is slowly added to polypropylene fibre into above-mentioned uniform material M2, is sufficiently mixed stirring, described one kind can be obtained
Using the Green High Performance Polymer cement materials of drift-sand.
Various raw material in step (1) for mixing are added in three-dimensional material mixer, stir at low speed, wherein rotor speed
140-180 revs/min, mixing disk rotating speed be 30-50 revs/min, incorporation time 90-150min；
In step (2), quartz sand and drift-sand are added in above-mentioned mixture M1, then stirred at low speed, wherein rotor turns
Fast 140-180 revs/min, mixing disk rotating speed be 30-50 revs/min, incorporation time 50-80min；
In step (3), after polypropylene fibre is slowly added to M2, high-speed stirred is carried out, wherein rotor speed 300-350
Rev/min, mixing disk rotating speed be 30-50 revs/min, incorporation time 60-120min.
The present invention has fully considered particle diameter distribution and grain composition using the method for drift-sand part substitution quartz sand, increases
Add and newly mixed the fluidity of polymer cement mortar and the compactness of hardening polymer cement mortar, has substantially increased polymer
The mechanical property and impermeability of cement waterproofing mortar, and joined polypropylene fibre and improve its cracking performance, waterproof effect is more
Add significant.
Technical effect: comparing existing Polymer cement materials, and the present invention substitutes quartz sand using drift-sand part,
The effective use of waste is realized, it is environmentally protective.And China desert is widely distributed, and drift-sand is cheap and easily-available, saves money
Source reduces cost, achieves many things at one stroke.In addition the Green High Performance polymer cement obtained using drift-sand part substitution quartz sand
Waterproof mortar can reach same index compared to the traditional polymer cement waterproofing mortar for using quartz sand completely, and anti-
Water better effect.
Specific embodiment
Below with reference to specific example, the present invention is furture elucidated, it should be understood that these examples be merely to illustrate the present invention without
For limiting the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalent forms of the invention
Modification fall within the application range as defined in the appended claims.In addition, the experimental result of comparative example, emphasizes this
The advantage of invention.
Raw materials used in following embodiment is claimed below:
Cement is PO42.5 grades of ordinary portland cements.
The fineness modulus of quartz sand is 1.6-2.2, partial size 0.25-0.35mm.
The fineness modulus of drift-sand is 0.7-1.5, partial size 0-0.25mm, water absorption rate 0.6-0.8%.
Rubber powder is redispersible latex powder.
It is pencil monofilament-type that fiber, which is polypropylene fibre, and tensile strength is greater than 350MPa, 18-48 μm of fibre diameter,
Limit of stretch is greater than 15%, length 3.0mm.
Water-reducing agent is melamine type sulfonic acid polycondensates powder, and water-reducing rate should be greater than 30%.
Defoaming agent is P803 dry powder defoaming agent, and active constituent content 65% mainly includes with inorganic carrier, poly- second two
Alcohol and liquid hydrocarbon.
Embodiment 1
A kind of Green High Performance Polymer cement materials using drift-sand, according to parts by weight, including with the following group
Point:
PO42.5 grades of ordinary portland cements 35%, quartz sand 30%, drift-sand 25%, rubber powder 9%, polypropylene fibre
0.5%, water-reducing agent 0.3%, defoaming agent 0.2%.
Preparation method:
(1) material requested is weighed, comprising: PO42.5 grades of ordinary portland cements, quartz sand, drift-sand, rubber powder, poly- third
Alkene fiber, water-reducing agent and defoaming agent；
(2) successively load weighted PO42.5 grades of ordinary portland cement, rubber powder, water-reducing agent and defoaming agent are added to
It in Enrich-R type three-dimensional mixer, stirs at low speed, wherein 150 revs/min of rotor speed, mixing disk rotating speed are 40 revs/min
Clock, incorporation time 100min, is uniformly mixed and expects M1；
(3) quartz sand and drift-sand are added in above-mentioned mixture M1, are stirred at low speed, wherein 150 revs/min of rotor speed
Clock, mixing disk rotating speed are 40 revs/min, and incorporation time 50min obtains mixture M2；
(4) after polypropylene fibre being slowly added to M2, high-speed stirred is carried out, wherein 320 revs/min of rotor speed, mixing
Disk rotating speed is 40 revs/min, incorporation time 60min, and the Green High Performance polymer cement waterproof sand can be obtained
Slurry.
(5) mixing water of its gross mass 16% is added into this kind of Green High Performance Polymer cement materials, by mark
Quasi- JC/T984-2011 blanks and moulding and conserving, measures its basic performance.
Embodiment 2
A kind of Green High Performance Polymer cement materials using drift-sand, according to parts by weight, including with the following group
Point:
PO42.5 grades of ordinary portland cements 37%, quartz sand 28%, drift-sand 26%, rubber powder 8%, polypropylene fibre
0.6%, water-reducing agent 0.2%, defoaming agent 0.2%.
Preparation method:
(1) material requested is weighed, comprising: PO42.5 grades of ordinary portland cements, quartz sand, drift-sand, rubber powder, poly- third
Alkene fiber, water-reducing agent and defoaming agent；
(2) successively load weighted PO42.5 grades of ordinary portland cement, rubber powder, water-reducing agent and defoaming agent are added to
It in Enrich-R type three-dimensional mixer, stirs at low speed, wherein 150 revs/min of rotor speed, mixing disk rotating speed are 40 revs/min
Clock, incorporation time 100min, is uniformly mixed and expects M1；
(3) quartz sand and drift-sand are added in above-mentioned mixture M1, are stirred at low speed, wherein 150 revs/min of rotor speed
Clock, mixing disk rotating speed are 40 revs/min, and incorporation time 50min obtains mixture M2；
(4) after polypropylene fibre being slowly added to M2, high-speed stirred is carried out, wherein 320 revs/min of rotor speed, mixing
Disk rotating speed is 40 revs/min, incorporation time 60min, and the Green High Performance polymer cement waterproof sand can be obtained
Slurry.
(5) mixing water of its gross mass 18% is added into this kind of Green High Performance Polymer cement materials, by mark
Quasi- JC/T984-2011 blanks and moulding and conserving, measures its basic performance.
Embodiment 3
A kind of Green High Performance Polymer cement materials using drift-sand, according to parts by weight, including with the following group
Point:
PO42.5 grades of ordinary portland cements 39%, quartz sand 28%, drift-sand 26%, rubber powder 7%, polypropylene fibre
0.8%, water-reducing agent 0.1%, defoaming agent 0.1%.
Preparation method:
(1) material requested is weighed, comprising: PO42.5 grades of ordinary portland cements, quartz sand, drift-sand, rubber powder, poly- third
Alkene fiber, water-reducing agent and defoaming agent；
(2) successively load weighted PO42.5 grades of ordinary portland cement, rubber powder, water-reducing agent and defoaming agent are added to
It in Enrich-R type three-dimensional mixer, stirs at low speed, wherein 150 revs/min of rotor speed, mixing disk rotating speed are 40 revs/min
Clock, incorporation time 100min, is uniformly mixed and expects M1；
(3) quartz sand and drift-sand are added in above-mentioned mixture M1, are stirred at low speed, wherein 150 revs/min of rotor speed
Clock, mixing disk rotating speed are 40 revs/min, and incorporation time 50min obtains mixture M2；
(4) after polypropylene fibre being slowly added to M2, high-speed stirred is carried out, wherein 320 revs/min of rotor speed, mixing
Disk rotating speed is 40 revs/min, incorporation time 60min, and the Green High Performance polymer cement waterproof sand can be obtained
Slurry.
(5) mixing water of its gross mass 20% is added into this kind of Green High Performance Polymer cement materials, by mark
Quasi- JC/T984-2011 blanks and moulding and conserving, measures its basic performance.
Performance detection
The base of above-described embodiment Green high performance polymer cement waterproof mortar is measured according to standard JC/T984-2011
This performance, the experimental result of three embodiments, as shown in table 1 below.
1 measurement result of table
Every Testing index in above three embodiments, is all satisfied JC/T984-2011 and wants to cement waterproofing mortar
It asks.
In addition, it should be noted that, the above embodiments are merely illustrative of the technical solutions of the present invention.If the common skill in this field
Art personnel modify to technology example of the invention or equivalent replacement, without departing from spirit of the invention, should all cover at this
In the scope of the claims of invention.
Claims (10)
1. a kind of Green High Performance Polymer cement materials using drift-sand, which is characterized in that it is mainly by following
The raw material of weight ratio is made: 34-36 parts of cement, 29-32 parts of quartz sand, 23-26 parts of drift-sand, 8-10 parts of rubber powder, fiber
0.2-0.6 parts, 0.1-0.2 parts of water-reducing agent, 0.2-0.4 parts of defoaming agent.
2. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the cement is PO42.5 grades of ordinary portland cements.
3. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the fineness modulus of the quartz sand is 1.6-2.2, partial size 0.25-0.35mm.
4. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the fineness modulus of the drift-sand is 0.7-1.5, partial size 0-0.25mm, water absorption rate 0.6-0.8%.
5. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the rubber powder is redispersible latex powder.
6. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the fiber is that polypropylene fibre is pencil monofilament-type, and tensile strength is greater than 350MPa, fibre diameter 18-48 μ
M, limit of stretch are greater than 15%, length 3.0mm.
7. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the water-reducing agent is melamine type sulfonic acid polycondensates powder, and water-reducing rate should be greater than 30%.
8. a kind of Green High Performance Polymer cement materials using drift-sand according to claim 1, feature
It is, the defoaming agent is P803 dry powder defoaming agent, and active constituent content 65% mainly includes with inorganic carrier, gathers
Ethylene glycol and liquid hydrocarbon.
9. a kind of Green High Performance Polymer cement materials preparation method using drift-sand, which is characterized in that including with
Lower step:
(1) cement, rubber powder, water-reducing agent, defoaming agent are taken, is added in batch mixer and stirs evenly, obtain mixture M1；
(2) quartz sand and drift-sand are uniformly added into M1 in above-mentioned mixture, equal refining M2 is obtained after stirring；
(3) it is slowly added to polypropylene fibre into above-mentioned uniform material M2, is sufficiently mixed stirring, a kind of use can be obtained
The Green High Performance Polymer cement materials of drift-sand.
10. a kind of Green High Performance Polymer cement materials preparation side using drift-sand according to claim 9
Method, it is characterised in that:
Various raw material in step (1) for mixing are added in three-dimensional material mixer, stir at low speed, wherein rotor speed 140-
180 revs/min, mixing disk rotating speed be 30-50 revs/min, incorporation time 90-150min；In step (2), by quartz sand and
Drift-sand is added in above-mentioned mixture M1, then stirs at low speed, and wherein 140-180 revs/min of rotor speed, mixing disk rotating speed are
30-50 revs/min, incorporation time 50-80min；In step (3), after polypropylene fibre is slowly added to M2, high-speed stirring is carried out
It mixes, wherein 300-350 revs/min of rotor speed, mixing disk rotating speed are 30-50 revs/min, incorporation time 60-120min.
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| CN201910148621.7A CN109912274A (en) | 2019-02-27 | 2019-02-27 | A kind of Green High Performance Polymer cement materials and preparation method thereof using drift-sand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501507A (en) * | 2020-05-22 | 2020-08-07 | 招商局重庆交通科研设计院有限公司 | Rapid permeation reinforcement repair technology for asphalt pavement surface layer deterioration |
| CN113816653A (en) * | 2021-10-13 | 2021-12-21 | 宁夏嘉惠道路资源再生利用有限公司 | Pouring type flexible pavement and preparation method thereof |
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| CN101560084A (en) * | 2009-06-02 | 2009-10-21 | 河北科技大学 | Environmental-friendly waterproof polymer mortar |
| CN102491709A (en) * | 2011-12-02 | 2012-06-13 | 南京工业大学 | Cement-based polymer water-proof mortar and preparation method thereof |
| EP2578551A1 (en) * | 2010-05-31 | 2013-04-10 | Beijing Rechsand Science & Technology Group Co., Ltd | Composition used for high strength and watertight concrete |
| CN107619223A (en) * | 2017-09-29 | 2018-01-23 | 佛山市涂无忧建材有限公司 | A kind of waterproof mortar with anti-slipping property energy and preparation method thereof |
| CN108455930A (en) * | 2018-02-11 | 2018-08-28 | 东南大学 | A kind of green Cement-base material with ultra-high performance and preparation method thereof using drift-sand |
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2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560084A (en) * | 2009-06-02 | 2009-10-21 | 河北科技大学 | Environmental-friendly waterproof polymer mortar |
| EP2578551A1 (en) * | 2010-05-31 | 2013-04-10 | Beijing Rechsand Science & Technology Group Co., Ltd | Composition used for high strength and watertight concrete |
| CN102491709A (en) * | 2011-12-02 | 2012-06-13 | 南京工业大学 | Cement-based polymer water-proof mortar and preparation method thereof |
| CN107619223A (en) * | 2017-09-29 | 2018-01-23 | 佛山市涂无忧建材有限公司 | A kind of waterproof mortar with anti-slipping property energy and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501507A (en) * | 2020-05-22 | 2020-08-07 | 招商局重庆交通科研设计院有限公司 | Rapid permeation reinforcement repair technology for asphalt pavement surface layer deterioration |
| CN111501507B (en) * | 2020-05-22 | 2021-04-27 | 招商局重庆交通科研设计院有限公司 | Rapid permeation reinforcement repair technology for asphalt pavement surface layer deterioration |
| CN113816653A (en) * | 2021-10-13 | 2021-12-21 | 宁夏嘉惠道路资源再生利用有限公司 | Pouring type flexible pavement and preparation method thereof |
| CN113816653B (en) * | 2021-10-13 | 2022-05-24 | 宁夏嘉惠道路资源再生利用有限公司 | Pouring type flexible pavement and preparation method thereof |
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