CN110372297A - A kind of polymer cement waterproof slurry and preparation method thereof - Google Patents
A kind of polymer cement waterproof slurry and preparation method thereof Download PDFInfo
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- CN110372297A CN110372297A CN201910655748.8A CN201910655748A CN110372297A CN 110372297 A CN110372297 A CN 110372297A CN 201910655748 A CN201910655748 A CN 201910655748A CN 110372297 A CN110372297 A CN 110372297A
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of polymer cement waterproof slurries and preparation method thereof.The polymer cement waterproof slurry includes liquid material and powder；The liquid material includes: 300-900 parts of polymer emulsion, 0.5-4 parts of defoaming agent, 0.5-4 parts of fungicide, 100-600 parts of water；The powder includes: 500-700 parts of cement, 200-400 parts of sand, 50-150 parts of filler, nonpolar mineral oil 0.1-1 parts, 0.1-5 parts of water-retaining agent, 0.1-5 parts of water-reducing agent；The polymer emulsion is acrylic emulsion and/or interpolymer latex of polystyrene and acrylic ester；The weight ratio of the polymer emulsion and the water is 1.2-9:1.The present invention reduces the deal of water by improving the lotion deal in liquid material, and under the additional amount of same mineral oil, the dust removing effects of product are relatively more excellent, and loss of bond strength reduces.
Description
Technical field
The invention belongs to field of waterproof materials, more particularly, to a kind of polymer cement waterproof slurry and its preparation side
Method.
Background technique
At this stage, with decorations in the market waterproof consciousness gradually increase, the field of fitting up obtains waterproof material indoors
To being widely applied.Polymer cement waterproof slurry because its with excellent mechanical property, good waterproof moisture-proof effect, compared with
The features such as strong caking property and excellent construction base adaptability, decoration marked is more and more used indoors.?
In the use process of product, there are can generate a large amount of dust during all too many levels, including transport, dismounting, stirring etc., endanger
Operating personnel's is healthy and safe, is unfavorable for managing the green construction of interior decoration operation.Therefore, exploitation is a can airlaid polymer object
Cement water-proof slurry products are extremely urgent.
It is relevant in the prior art, some coating is during the preparation process, organic using the high nonpolarity of molecular surface activity
Mineral oil adsorbs the cement granules in powder, forms fine aggregate aggregation, increases self weight and sinks, to reduce the dust in air
Granule density, however, nonpolar humatite oil is when being applied to polymer cement waterproof slurry, it may appear that polymer cement is anti-
The problems such as mechanical property decaying of water slurry such as adhesion strength decline, it can generate brick to the ceramic tile system stability of subsequent paving
Hidden danger.
Summary of the invention
It is an object of the invention to solve the appearance when being applied to polymer cement waterproof slurry of nonpolar humatite oil
Polymer cement waterproof slurry mechanical property decaying as adhesion strength decline the problems such as, and by formula improve further it is excellent
The dust removing effects of fluidized polymer cement water-proof slurry.
To achieve the goals above, the first aspect of the present invention provides a kind of polymer cement waterproof slurry, the polymer
Cement water-proof slurry includes liquid material and powder；
The liquid material includes:
Polymer emulsion 300-900 parts by weight, defoaming agent 0.5-4 parts by weight, fungicide 0.5-4 parts by weight, water 100-600
Parts by weight；
The powder includes:
Cement 500-700 parts by weight, sand 200-400 parts by weight, filler 50-150 parts by weight, nonpolar mineral oil 0.1-
1 parts by weight, water-retaining agent 0.1-5 parts by weight, water-reducing agent 0.1-5 parts by weight；
The polymer emulsion is acrylic emulsion and/or interpolymer latex of polystyrene and acrylic ester；
The weight ratio of the polymer emulsion and the water is 1.2-9:1.
In liquid material of the invention, acrylic emulsion and/or interpolymer latex of polystyrene and acrylic ester are selected, the present invention can be made
Polymer cement waterproof slurry have excellent water resistance, alkali resistance and resistant of high or low temperature and waterproof and dampproof property.
In powder of the invention, using nonpolar mineral oil, can fine grained effectively in adsorpting aggregation powder, form thin
The aggregation of grain increases self weight and sinks, to reduce the appearance of dust in whipping process.
Preferably, the weight ratio of the polymer emulsion and the water is 1.2-5:1, more preferably 2-2.5:1.
Preferably, relative to above-mentioned powder formulation, the nonpolarity mineral oil is 0.3-0.8 parts by weight, more excellent
It is selected as 0.4-0.6 parts by weight.
The polymer cement waterproof slurry for meeting said ratio can have superior dust removing effects and mechanical property.
Preferably, the weight proportion of the liquid material and the powder is 1:2.5-3, the polymer water under the proportion
Mud waterproofing slurry is more advantageous to construction operation and guarantees construction effect.
Preferably, the defoaming agent is selected from organic alcohols defoaming agent, polyethers defoaming agent and organic silicon defoaming
At least one of agent.As BASF AG producesThe Nopco NXZ etc. of Nuo Puke company production.
Preferably, the fungicide be selected from least one of isothiazolinone and its derivative, such as selected from
At least one of BIT fungicide, CIT fungicide and MIT fungicide.As Clariant Corporation produce Nipacide BIT 20,
The Acticide MBS etc. of Sol company production.
Preferably, the cement is ordinary portland cement.
Preferably, the sand is quartz sand, and more preferably selecting partial size is the quartz sand of 80-120 mesh.
Preferably, the filler is the coarse whiting of 300-350 mesh, and the coarse whiting under the mesh number range can be filled slurry and exist
The hole formed in hardening process simultaneously participates in the condensation hardening process for promoting cement, improves the compactness of slurry hardening, makes to gather
The waterproof layer for closing object cement water-proof slurry has excellent cohesive force.
Preferably, the relative molecular mass of the nonpolar mineral oil is 200-500.
Preferably, the water-retaining agent is cellulose ethers water-retaining agent, more preferably hydroxypropyl methyl cellulose ether.
Preferably, the water-reducing agent is polycarboxylic acids dehydragent.
The second aspect of the present invention provides the preparation method of above-mentioned polymer cement waterproof slurry, the preparation method packet
It includes:
Prepare liquid material:
Under stirring, water, polymer emulsion, defoaming agent and fungicide are uniformly mixed, obtain the liquid material；
Prepare powder:
Under stirring, cement, sand, filler, water-retaining agent, water-reducing agent are uniformly mixed, then fountain is added non-
Polar mineral oil, obtains the powder after mixing evenly.
When in use, liquid material and powder are uniformly mixed for above-mentioned polymer cement waterproof slurry.
In a specific embodiment of the invention, the preparation method of polymer cement waterproof slurry includes:
Prepare raw material by liquid material formula, add water in liquid material a mixing bowl, open the dispersion machine of a mixing bowl, keeps revolving speed
It is 800-1200 revs/min, polymer emulsion, defoaming agent, fungicide is added sequentially in liquid material a mixing bowl, holding revolving speed is
800-1200 revs/min, stirring obtained the liquid material after 15 minutes；
Prepare raw material by powder formulation, open agravic fine material mixer, keeping revolving speed is 400-800 revs/min, by water
Mud, sand, filler are added to powder stirring cylinder, then cellulose ether, polycarboxylate water-reducer are successively added to agravic a mixing bowl,
Stirring is opened, nonpolar mineral oil is added in fountain, and stirring obtained the powder after 10-20 minutes.
Compared with prior art, the beneficial effects of the present invention are:
1) airlaid polymer object cement water-proof blank preparation technics of the invention are simple, and production process is environment friendly and pollution-free, production
Simple process is efficiently, it can be achieved that mass production, has stronger practicability.
2) polymer cement waterproof slurry of the invention has good mechanical property, while can effectively reduce work progress
The respirable dust quantity of middle generation, conducive to the closed operation of construction personnel's environment indoors, no pollution to the environment.
3) present invention is by properly increasing the lotion deal in liquid material, while reducing the deal of water, in same mineral oil
Under additional amount, the dust removing effects of product are relatively more excellent, and the extent of damage of adhesion strength reduces.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
In each embodiment of the present invention, the preparation method of polymer cement waterproof slurry includes:
Prepare raw material by liquid material formula, add water in liquid material a mixing bowl, open the dispersion machine of a mixing bowl, keeps revolving speed
It is 1000 revs/min, polymer emulsion, defoaming agent, fungicide is added sequentially in liquid material a mixing bowl, keeping revolving speed is 1000
Rev/min, stirring obtained the liquid material after 15 minutes；
Prepare raw material by powder formulation, open agravic fine material mixer, keeping revolving speed is 600 revs/min, by cement,
Sand, filler are added to powder stirring cylinder, then cellulose ether, polycarboxylate water-reducer are successively added to agravic a mixing bowl, open
Stirring is opened, nonpolar mineral oil is added in fountain, and stirring obtained the powder after 15 minutes.
Before carrying out dependence test, liquid material and powder are uniformly mixed with the weight ratio of 1:2.7.
Preparation method of the preparation method of comparative example with reference to the polymer cement waterproof slurry of the embodiment of the present invention.
Liquid material and powder formulation are as shown in table 1 in embodiment 1-4, comparative example 1-2.
In comparative example 1-2, embodiment 1-2, the S400 styrene-acrylic emulsion that the polymer emulsion used produces for BASF AG,
The defoaming agent used produces for BASF AGThe fungicide used produces for Sol company
Acticide MBS, 425 grades of ordinary portland cements that the ordinary portland cement used produces for Jinyu Ji east cement company,
The quartz sand used for the macro 80-120 mesh quartz sand for moistening quartzy company's production, the coarse whiting used produced for Guang Fu company 325
Mesh coarse whiting, the nonpolar mineral oil used join the technical grade 3# mineral oil of company's production, the hydroxypropyl methyl of use for middle Hainan
Cellulose ether is the cellulose ether HPMC of Hui Guang company production, and the polycarboxylic acids dehydragent used produces poly- for BASF AG
Carboxylic acid high efficiency water reducing agent F10.
Table 1
Test case:
Dust concentration test and physics are carried out to polymer cement waterproof slurry prepared by embodiment 1-4 and comparative example 1-2
Performance test tests dust in air particulate matter quality concentration using dust concentration detector, and testing result is as shown in table 2.
Table 2
From 2 testing result of table:
1) addition of nonpolar humatite oil, can significantly reduce the dust particles concentration in air, with additional amount
Increasing, dust removing effects gradually increase, meanwhile, it improves the ratio of lotion deal and reduces the deal of water, in the use of identical mineral oil
Under amount, it can further improve the dust removing effects of polymer cement waterproof slurry.
2) dust removing effects of the polymer cement waterproof slurry of each embodiment are excellent in.With reference to comparative example 1,2, it is added
The mechanical property of product decays after the nonpolar mineral oil of high surface, but each embodiment of the application be still able to maintain compared with
High numerical value can meet the requirement of actual construction application.
3) comparative example 1 and comparative example 2 improve the lotion deal in liquid material, while reducing the deal of hydrone, same
Under the additional amount of equal mineral oil, the dust removing effects of product are relatively more excellent, and the extent of damage of adhesion strength performance reduces.?
Using the deal of polymer emulsion replacement part water in liquid material, can improve to a certain extent due to mineral oil nonpolar in powder
Addition, it is immiscible with hydrone and generate the effect for inhibiting cement aquation, generate more unstable hydrated products and lead
The adhesion strength of cause declines.
4) comparative example 1 and embodiment 2 further increase lotion part in liquid material under the additional amount of identical mineral oil
Amount, reduces the deal of hydrone, adhesion strength performance occurs and be remarkably decreased.The phenomenon is the addition due to crossing multistage emulsion deal,
Moisture content declines in formula, and the hydration of cement weakens in identical liquid material and the lower slurry of powder proportion, so that product hardens
Network structure intensity it is insufficient, the adhesion strength of product slightly reduces.Simultaneously as lotion deal increases, the flexibility of product
It will appear improvement, the flexural strength and transversely deforming performance in performance detection can increase.
5) comparative example 1, embodiment 3 and embodiment 4, the lotion deal and hydrone deal same ratio the case where
Under, the dosage of nonpolar mineral oil is successively increased, dust removing effects performance is more excellent, but mechanical property such as adhesion strength slightly has
Decline.
Comprehensively consider dust concentration test result and quantitative measurement result, it is believed that embodiment 3 is most preferably to implement
Example, embodiment 1 are preferred embodiment, and embodiment 2,4 is more preferably embodiment.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of polymer cement waterproof slurry, which is characterized in that the polymer cement waterproof slurry includes liquid material and powder；
The liquid material includes:
Polymer emulsion 300-900 parts by weight, defoaming agent 0.5-4 parts by weight, fungicide 0.5-4 parts by weight, water 100-600 weight
Part；
The powder includes:
Cement 500-700 parts by weight, sand 200-400 parts by weight, filler 50-150 parts by weight, nonpolar mineral oil 0.1-1 weight
Measure part, water-retaining agent 0.1-5 parts by weight, water-reducing agent 0.1-5 parts by weight；
The polymer emulsion is acrylic emulsion and/or interpolymer latex of polystyrene and acrylic ester；
The weight ratio of the polymer emulsion and the water is 1.2-9:1.
2. polymer cement waterproof slurry according to claim 1, wherein the weight of the polymer emulsion and the water
Than for 1.2-5:1, more preferably 2-2.5:1.
3. polymer cement waterproof slurry according to claim 1, wherein the nonpolarity mineral oil is 0.3-0.8 weight
Measure part, more preferably 0.4-0.6 parts by weight.
4. polymer cement waterproof slurry according to claim 1, wherein the weight proportion of the liquid material and the powder
For 1:2.5-3.
5. polymer cement waterproof slurry according to claim 1, wherein
The defoaming agent is selected from least one of organic alcohols defoaming agent, polyethers defoaming agent and organic silicon defoaming agent；
The fungicide is selected from least one of isothiazolinone and its derivative.
6. polymer cement waterproof slurry according to claim 1, wherein
The cement is ordinary portland cement；
The sand is quartz sand；
The filler is the coarse whiting of 300-350 mesh.
7. polymer cement waterproof slurry according to claim 1, wherein the average molecular matter of the nonpolarity mineral oil
Amount is 200-500.
8. polymer cement waterproof slurry according to claim 1, wherein the water-retaining agent is cellulose ethers water conservation
Agent, more preferably hydroxypropyl methyl cellulose ether.
9. polymer cement waterproof slurry according to claim 1, wherein the water-reducing agent is polycarboxylic acids dehydragent.
10. the preparation method of polymer cement waterproof slurry described in any one of claim 1-8, which is characterized in that should
Preparation method includes:
Prepare liquid material:
Under stirring, water, polymer emulsion, defoaming agent and fungicide are uniformly mixed, obtain the liquid material；
Prepare powder:
Under stirring, cement, sand, filler, water-retaining agent, water-reducing agent are uniformly mixed, then nonpolarity is added in fountain
Mineral oil obtains the powder after mixing evenly.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110845191A (en) * | 2019-10-28 | 2020-02-28 | 郑州大学 | Horizontal barrier material for risk control of polluted land and preparation method thereof |
| CN112341885A (en) * | 2020-11-16 | 2021-02-09 | 北京东方雨虹防水技术股份有限公司 | Antirust waterproof slurry for metal roof and preparation method thereof |
| CN115448667A (en) * | 2022-09-29 | 2022-12-09 | 科顺民用建材有限公司 | Anti-sagging waterproof mortar composition, anti-sagging waterproof mortar and preparation method and application thereof |
| CN115557747A (en) * | 2022-09-26 | 2023-01-03 | 苏州金螳螂建筑装饰股份有限公司 | Double-component bonding material and preparation method and construction method thereof |
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Application publication date: 20191025 |