CN114702272A - Wall cement mortar with good waterproof penetration effect and preparation method thereof - Google Patents
Wall cement mortar with good waterproof penetration effect and preparation method thereof Download PDFInfo
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- CN114702272A CN114702272A CN202210297076.XA CN202210297076A CN114702272A CN 114702272 A CN114702272 A CN 114702272A CN 202210297076 A CN202210297076 A CN 202210297076A CN 114702272 A CN114702272 A CN 114702272A
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- Prior art keywords
- cement mortar
- vinyl acetate
- ethylene
- good waterproof
- acetate copolymer
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
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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
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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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 relates to the technical field of building materials, in particular to wall cement mortar with good waterproof and permeation effects and a preparation method thereof. According to the invention, the acrylic polymer emulsion and the ethylene-vinyl acetate copolymer emulsion are added into cement mortar, under the condition of normal temperature, the acrylic polymer emulsion has good water resistance and weather resistance, and the ethylene-vinyl acetate copolymer emulsion has good moisture resistance, so that the water seepage resistance of the cement mortar can be effectively improved; the ethylene-vinyl acetate copolymer emulsion is added into the cement mortar, is solid at normal temperature, and has good heat and sound insulation effects and certain shock resistance.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to wall cement mortar with good waterproof and penetrating effects and a preparation method thereof.
Background
The cement mortar is prepared from cement, fine aggregate and water, namely cement, sand and water, according to the needs, and the cement mixed mortar is prepared from cement, fine aggregate, lime and water. The mortar used in the construction process is convenient for construction and is generally stirred on site, the mixing proportion of the cement mortar is 1:3, and then the mortar is converted into a weight ratio according to the capacity of a field stirrer or a material container; the mortar used in the construction of the structure is a multi-purpose finished mortar, and the mortar strength is expressed by M5, M7.5, M10 mortar and the like.
Present cement mortar waterproof performance is poor, cement mortar that uses at indoor wall, especially bathroom, scrape the putty on cement mortar and make level the back, paste the ceramic tile after, when moisture sees through ceramic tile and contacts cement mortar, can soak cement mortar, if do not do the waterproof layer, moisture then can see through cement mortar, and south weather is moist, because current cement mortar waterproof infiltration effect is poor, in wall body and air contact border department, because the reason of the difference in temperature, can condense into water on the wall body, water can permeate to the wall body, cause certain destruction for the building.
Disclosure of Invention
The invention aims to provide wall cement mortar with good waterproof and seepage-proof effects and a preparation method thereof, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the wall cement mortar with good waterproof and penetrating effects comprises cement, aggregate, water, acrylic polymer emulsion and ethylene-vinyl acetate copolymer emulsion.
Preferably, the mixture ratio of the cement, the aggregate, the water, the acrylic polymer emulsion and the ethylene-vinyl acetate copolymer powder is 1: 2: 0.6: 0.55: 0.5.
preferably, the aggregate is river sand, the fineness modulus of the river sand is not more than 2.3, and the water content is not more than 6%.
Preferably, the ethylene-vinyl acetate copolymer emulsion has a vinyl acetate content of 10% to 20%.
A preparation method of wall cement mortar with good waterproof penetration effect comprises the following steps:
firstly, preserving heat, respectively placing olefine acid polymer emulsion and ethylene-vinyl acetate copolymer in a heat preservation device, and keeping the acrylic acid polymer emulsion in a liquid state;
secondly, cement mortar is prepared, and cement, aggregate and water are mixed according to the proportion of 1: 2: 0.6, mixing and uniformly stirring;
and thirdly, injecting a medicament, namely injecting the olefine acid polymer emulsion and the vinyl ester copolymer emulsion into cement mortar, and uniformly stirring.
Preferably, in the first step, the set temperature of the heat preservation device is 15-40 ℃.
Preferably, in the second step, the environmental temperature for preparing cement mortar is between 15 ℃ and 40 ℃.
Preferably, in the third step, the ratio of the olefine acid polymer emulsion to the cement is 0.55: 1, the ratio of the ethylene-vinyl acetate copolymer emulsion to the cement is 0.5: 1.
compared with the prior art, the invention has the beneficial effects that:
according to the invention, the acrylic polymer emulsion and the ethylene-vinyl acetate copolymer emulsion are added into the cement mortar, under the condition of normal temperature, the acrylic polymer emulsion has good water resistance and weather resistance, and the ethylene-vinyl acetate copolymer emulsion has good moisture resistance, so that the water penetration resistance of the cement mortar can be effectively improved.
The ethylene-vinyl acetate copolymer emulsion is added into the cement mortar, is solid at normal temperature, and has good heat and sound insulation effects and certain shock resistance.
Drawings
FIG. 1 is a flow chart of the preparation method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Example one
The invention provides a technical scheme that: the wall cement mortar with good waterproof and penetrating effects comprises cement, aggregate, water, acrylic polymer emulsion and ethylene-vinyl acetate copolymer emulsion.
In this example, the ratio of cement, aggregate, water, acrylic polymer emulsion, and ethylene-vinyl acetate copolymer powder was 1: 2: 0.6: 0.55: 0.5.
in this embodiment, the aggregate is river sand, the fineness modulus of the river sand is not more than 2.0, and the water content is 6%.
In this example, the ethylene-vinyl acetate copolymer emulsion had a vinyl acetate content of 10%.
The embodiment is a proportioning composition of wall cement sand with good waterproof and penetrating effects.
Example two
The invention provides a technical scheme that: a preparation method of wall cement mortar with good waterproof penetration effect comprises the following steps:
firstly, insulating, namely respectively placing the olefine acid polymer emulsion and the ethylene-vinyl acetate copolymer in an insulating device, and keeping the olefine acid polymer emulsion in a liquid state;
secondly, cement mortar is prepared, and cement, aggregate and water are mixed according to the proportion of 1: 2: 0.6, mixing and uniformly stirring;
and step three, injecting a medicament, injecting the olefine acid polymer emulsion and the vinyl ester copolymer emulsion into cement mortar, and uniformly stirring.
In this embodiment, in the first step, the set temperature of the heat preservation device should be 15 to 40 degrees celsius.
In this embodiment, in the second step, the ambient temperature for producing cement mortar is 15 ℃.
In this embodiment, in the third step, the ratio of the olefinic acid polymer emulsion to the cement is 0.55: 1, the ratio of the ethylene-vinyl acetate copolymer emulsion to the cement is 0.5: 1.
the embodiment is suitable for the preparation method of the wall cement mortar with small quantity and good waterproof and penetrating effects.
EXAMPLE III
The invention provides a technical scheme that: a preparation method of wall cement mortar with good waterproof penetration effect comprises the following steps:
firstly, insulating, namely respectively placing the olefine acid polymer emulsion and the ethylene-vinyl acetate copolymer in an insulating device, and keeping the olefine acid polymer emulsion in a liquid state;
secondly, cement mortar is prepared, and cement, aggregate and water are mixed according to the proportion of 1: 2: 0.6, mixing and uniformly stirring;
and step three, injecting a medicament, injecting the olefine acid polymer emulsion and the vinyl ester copolymer emulsion into cement mortar, and uniformly stirring.
In this embodiment, in the first step, the set temperature of the heat preservation device should be 40 ℃.
In this embodiment, in the second step, the ambient temperature for producing cement mortar is 15 ℃.
In this embodiment, in the third step, the ratio of the olefinic acid polymer emulsion to the cement is 0.55: 1, the ratio of the ethylene-vinyl acetate copolymer emulsion to the cement is 0.5: 1.
the embodiment is suitable for the preparation method of the wall cement mortar with good water penetration resisting effect in multiple parts.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a wall cement mortar that infiltration prevention is effectual which characterized in that: comprises cement, aggregate, water, acrylic polymer emulsion and ethylene-vinyl acetate copolymer emulsion.
2. The wall cement mortar with good waterproof and penetrating effects as claimed in claim 1, is characterized in that: the mixture ratio of cement, aggregate, water, acrylic polymer emulsion and ethylene-vinyl acetate copolymer powder is 1: 2: 0.6: 0.55: 0.5.
3. the wall cement mortar with good waterproof and penetrating effects as claimed in claim 1, is characterized in that: the aggregate is river sand, the fineness modulus of the river sand is not more than 2.3, and the water content is not more than 6%.
4. The wall cement mortar with good waterproof and penetrating effects as claimed in claim 1, is characterized in that: the ethylene-vinyl acetate copolymer emulsion has a vinyl acetate content of 10% to 20%.
5. A method for preparing the wall cement mortar with good waterproof penetration effect according to any one of claims 1 to 4, which is characterized by comprising the following steps: the preparation method comprises the following steps:
step one, heat preservation, namely respectively placing the olefine acid polymer emulsion and the ethylene-vinyl acetate copolymer in a heat preservation device, and keeping the olefine acid polymer emulsion in a liquid state;
secondly, cement mortar is prepared, and cement, aggregate and water are mixed according to the proportion of 1: 2: 0.6, and uniformly stirring;
and step three, injecting a medicament, injecting the olefine acid polymer emulsion and the vinyl ester copolymer emulsion into cement mortar, and uniformly stirring.
6. The preparation method of the wall cement mortar with good waterproof penetration effect according to claim 5, which is characterized by comprising the following steps of: in the first step, the set temperature of the heat preservation device is 15-40 ℃.
7. The preparation method of the wall cement mortar with good waterproof penetration effect according to claim 5, which is characterized by comprising the following steps of: in the second step, the environmental temperature for preparing the cement mortar is between 15 ℃ and 40 ℃.
8. The preparation method of the wall cement mortar with good waterproof penetration effect according to claim 5, which is characterized by comprising the following steps of: in the third step, the ratio of the olefine acid polymer emulsion to the cement is 0.55: 1, the ratio of the ethylene-vinyl acetate copolymer emulsion to the cement is 0.5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210297076.XA CN114702272A (en) | 2022-03-24 | 2022-03-24 | Wall cement mortar with good waterproof penetration effect and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210297076.XA CN114702272A (en) | 2022-03-24 | 2022-03-24 | Wall cement mortar with good waterproof penetration effect and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114702272A true CN114702272A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210297076.XA Withdrawn CN114702272A (en) | 2022-03-24 | 2022-03-24 | Wall cement mortar with good waterproof penetration effect and preparation method thereof |
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| CN (1) | CN114702272A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003171157A (en) * | 2001-12-03 | 2003-06-17 | Showa Denko Kenzai Kk | Polymer emulsion for cement mortar and cement mortar composition |
| JP2004262748A (en) * | 2003-02-14 | 2004-09-24 | Ube Ind Ltd | Polymer cement composition for waterproofing |
| CN106495606A (en) * | 2016-10-21 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of preparation method of polymer-modified cement mending mortar |
| CN109678438A (en) * | 2019-01-31 | 2019-04-26 | 苏州百联节能科技股份有限公司 | A kind of polyalcohol cement basis modified mortar |
| CN110183187A (en) * | 2019-06-20 | 2019-08-30 | 诸暨市兆山天峰干混砂浆有限公司 | A kind of modified water-proofing anticracking cement mortar |
-
2022
- 2022-03-24 CN CN202210297076.XA patent/CN114702272A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003171157A (en) * | 2001-12-03 | 2003-06-17 | Showa Denko Kenzai Kk | Polymer emulsion for cement mortar and cement mortar composition |
| JP2004262748A (en) * | 2003-02-14 | 2004-09-24 | Ube Ind Ltd | Polymer cement composition for waterproofing |
| CN106495606A (en) * | 2016-10-21 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of preparation method of polymer-modified cement mending mortar |
| CN109678438A (en) * | 2019-01-31 | 2019-04-26 | 苏州百联节能科技股份有限公司 | A kind of polyalcohol cement basis modified mortar |
| CN110183187A (en) * | 2019-06-20 | 2019-08-30 | 诸暨市兆山天峰干混砂浆有限公司 | A kind of modified water-proofing anticracking cement mortar |
Non-Patent Citations (1)
| Title |
|---|
| 买淑芳等: "聚合物改性水泥砂浆的研究", 《水利学报》 * |
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Application publication date: 20220705 |