CN111019427A - Waterproof putty powder prepared from limestone powder - Google Patents
Waterproof putty powder prepared from limestone powder Download PDFInfo
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- CN111019427A CN111019427A CN202010015958.3A CN202010015958A CN111019427A CN 111019427 A CN111019427 A CN 111019427A CN 202010015958 A CN202010015958 A CN 202010015958A CN 111019427 A CN111019427 A CN 111019427A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
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- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The invention provides waterproof putty powder prepared from limestone powder, which comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 32% -36%; stone powder: 62% -66%; cellulose ether: 0.1% -0.3%; starch ether: 0.05% -0.1%; redispersible latex powder: 1% -1.5%; an organic silicon water repellent agent: 0.2% -1%. The stone powder is collected by a dust collection system in the process of crushing and screening limestone, the stone powder contains a large amount of calcium carbonate, a putty powder coating is formed on a wall after the putty powder is constructed, an organic silicon water repellent forms a waterproof film in the putty, the surface tension of the waterproof film is reduced, the tension of water is greater than that of the waterproof film on the surface of the putty, and the putty cannot be infiltrated under the condition of no pressure, so that the effective waterproof effect is achieved; the absorption of the stone powder can prevent the dust from causing air pollution and improve the environment, and on the other hand, the resource utilization rate is improved and the stone powder is prevented from being discarded randomly; limestone powder is reasonable, stable and controllable in gradation, and tensile bonding strength and impermeability are improved.
Description
Technical Field
The invention relates to the field of building materials, in particular to waterproof putty powder prepared from limestone powder.
Background
With the development of modern construction technology, the construction mortar used in engineering is also developing and innovating. The traditional building mortar is mixed on site and widely applied in engineering, but the quality cannot be effectively controlled, so that the requirement of the modern building industry cannot be met. In order to better meet and realize the requirements of modern buildings, the novel waterproof putty powder prepared from the limestone powder, which is the novel building mortar with high product quality, environmental protection, convenient transportation and convenient construction, is produced at the same time. The putty powder is used as a standard premix type product which is environment-friendly, healthy, convenient to use and invented by replacing non-standard prepared powder, is widely popularized in building material markets, and is widely applied to the building fields of house decoration, wall surface repair and the like. The existing putty powder mainly comprises an inner wall and an outer wall, the main raw materials of the putty powder are heavy calcium carbonate, talcum powder and the like, the raw materials are unstable to obtain, and meanwhile, the performance of the putty powder is not stable enough, so that the putty powder is good and bad frequently, especially, the putty powder for the outer wall is mainly a dense powder body, and the stirring uniformity of materials such as waterproof additives is always problematic.
Disclosure of Invention
In order to solve the technical problems, the waterproof putty powder prepared from the machine-made limestone powder is prepared by taking the limestone powder obtained by crushing limestone as a raw material.
The waterproof putty powder prepared from limestone powder comprises the following components in percentage by weight:
42.5 strength ordinary portland cement: 32% -36%;
stone powder: 62% -66%;
cellulose ether: 0.1% -0.3%;
starch ether: 0.05% -0.1%;
redispersible latex powder: 1% -1.5%;
an organic silicon water repellent agent: 0.2% -1%.
Preferably, the invention consists of the following components in percentage by weight:
42.5 strength ordinary portland cement: 32% -35.1%;
stone powder: 63% -66%;
cellulose ether: 0.2% -0.3%;
starch ether: 0.07% -0.1%;
redispersible latex powder: 1.2% -1.3%;
an organic silicon water repellent agent: 0.4% -0.5%.
Preferably, the invention consists of the following components in percentage by weight:
42.5 strength ordinary portland cement: 32 percent;
stone powder: 65.91 percent;
cellulose ether: 0.2 percent;
starch ether: 0.09%;
redispersible latex powder: 1.3 percent;
an organic silicon water repellent agent: 0.5 percent.
Preferably, the invention consists of the following components in percentage by weight:
42.5 strength ordinary portland cement: 34.03 percent;
stone powder: 64 percent;
cellulose ether: 0.3 percent;
starch ether: 0.07 percent;
redispersible latex powder: 1.2 percent;
an organic silicon water repellent agent: 0.4 percent.
Preferably, the invention consists of the following components in percentage by weight:
42.5 strength ordinary portland cement: 35.1 percent;
stone powder: 63%;
cellulose ether: 0.2 percent;
starch ether: 0.1 percent;
redispersible latex powder: 1.2 percent;
an organic silicon water repellent agent: 0.4 percent.
Preferably, the redispersible latex powder comprises one or a mixture of styrene-butadiene copolymer, styrene-acrylic acid copolymer, vinyl acetate copolymer, polyacrylate homopolymer, vinyl acetate-styrene copolymer and vinyl acetate-ethylene copolymer.
Preferably, the cellulose ether comprises hydroxypropyl methyl cellulose ether or methyl hydroxypropyl cellulose ether.
Preferably, the stone powder is collected by a dust collection system in the process of crushing and screening limestone.
Preferably, the preparation method of the waterproof putty powder comprises the following steps: conveying each component by a packing auger respectively; weighing the components respectively by a scale, and then conveying the components into a stirrer to be uniformly stirred; the time for stirring in the stirrer is more than three minutes.
Preferably, the organosilicon water repellent comprises watt's Powder A or Powder D.
Compared with the prior art, the invention has the beneficial effects that: 1. the stone powder is collected by a dust collection system in the process of crushing and screening the limestone, the stone powder contains a large amount of calcium carbonate, a putty powder coating is formed on a wall after the putty powder is constructed, the calcium carbonate in and out of the putty powder coating enables the putty powder to be harder, and external moisture can be prevented from permeating through the outer layer of the putty powder, so that the waterproof performance of the putty powder coating is improved; 2. the absorption of the stone powder can prevent the dust from causing air pollution and improve the environment, and on the other hand, the resource utilization rate can be improved and the stone powder can be prevented from being randomly piled up; 3. limestone powder is reasonable, stable and controllable in gradation; 4. the tensile bonding strength and the impermeability are improved, and the high-strength waterproof mortar has the characteristics of high bonding force, no brick soaking and wall wetting in construction, good flexibility, water resistance, impermeability, crack resistance, aging resistance, high temperature resistance, freeze thawing resistance, no toxicity, environmental friendliness and simplicity and convenience in construction; 5. the organosilicon water repellent forms a layer of waterproof membrane in the putty and reduces the surface tension of the waterproof membrane, the tension of water is greater than that of the waterproof membrane on the surface of the putty, and the putty cannot be infiltrated under the condition of no pressure, so that the waterproof effect is effectively achieved.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The waterproof putty powder prepared from limestone powder comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 32% -36%; stone powder: 62% -66%; cellulose ether: 0.1% -0.3%; starch ether: 0.05% -0.1%; redispersible latex powder: 1% -1.5%; an organic silicon water repellent agent: 0.2% -1%.
Wherein the cellulose ether comprises methyl hydroxyethyl cellulose ether (MHEC) or hydroxypropyl methyl cellulose ether (HPMC) for water retention and thickening; the starch ether is used for increasing the consistency and reducing the degree of vertical flow, so that the putty powder can be made thicker; the redispersible latex powder comprises one or a mixture of styrene-butadiene copolymer, styrene-acrylic acid copolymer, vinyl acetate copolymer, polyacrylate homopolymer, vinyl acetate copolymer and vinyl acetate-ethylene copolymer, and is used for improving the bonding strength, the shearing strength and the tensile strength of the putty powder and improving the toughness of the putty powder; the organosilicon water repellent forms a layer of waterproof membrane in the putty and reduces the surface tension of the waterproof membrane, the tension of water is greater than that of the waterproof membrane on the surface of the putty, and the putty cannot be infiltrated under the condition of no pressure, so that the waterproof effect is effectively achieved. The organosilicon water repellent can be Powder A or Powder D in Wake of Germany, and the waterproof membrane is formed by a network formed by silicone resin, so that the putty Powder has lasting waterproof performance.
The stone powder is collected by a dust collection system in the process of crushing and screening the limestone, the stone powder contains a large amount of calcium carbonate, a putty powder coating is formed on a wall after the putty powder is constructed, the calcium carbonate in and out of the putty powder coating enables the putty powder to be harder, and external moisture can be prevented from permeating through the outer layer of the putty powder, so that the waterproof performance of the putty powder coating is improved; meanwhile, the absorption of the stone powder can prevent the ash powder from causing air pollution and improve the environment, and on the other hand, the resource utilization rate is improved and the stone powder is prevented from being randomly piled up. Meanwhile, the grading of the stone powder can be adjusted, the compactness is better, the grading can be manually controlled compared with the uncontrollable property of common heavy calcium powder, and the quality after the grading is stable can be stable. The weight percentage of the powder with the particle size of less than 0.075mm contained in the stone powder can be controlled to be more than 80%, and the powder with the particle size of less than 0.075mm is obtained after the stone powder is sieved, so that the quality of the stone powder is controlled.
The waterproof putty powder prepared from limestone powder provided by the invention can be prepared from the following components in percentage by weight: 42.5 strength ordinary portland cement: 32% -35.1%; stone powder: 63% -66%; cellulose ether: 0.2% -0.3%; starch ether: 0.07% -0.1%; redispersible latex powder: 1.2% -1.3%; an organic silicon water repellent agent: 0.4% -0.5%.
The invention provides a premixing method for preparing waterproof putty powder by limestone powder, which comprises the following steps: conveying each component by a packing auger respectively; weighing the components respectively by a scale, and then conveying the components into a stirrer to be uniformly stirred; the stirring time in the stirrer is more than three minutes, so that the components are fully and uniformly mixed. And the premixed limestone powder can be prepared into a waterproof putty powder packaging finished product.
Example 1
The invention comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 35.35 percent; stone powder: 63.2 percent; cellulose ether: 0.1 percent; starch ether: 0.05 percent; redispersible latex powder: 1.1 percent; an organic silicon water repellent agent: 0.2 percent.
Example 2
The invention comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 34.03 percent; stone powder: 64 percent; cellulose ether: 0.3 percent; starch ether: 0.07 percent; redispersible latex powder: 1.2 percent; an organic silicon water repellent agent: 0.4 percent.
Example 3
The invention comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 32 percent; stone powder: 65.91 percent; cellulose ether: 0.2 percent; starch ether: 0.09%; redispersible latex powder: 1.3 percent; an organic silicon water repellent agent: 0.5 percent.
Example 4
The invention comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 35.1 percent; stone powder: 63%; cellulose ether: 0.2 percent; starch ether: 0.1 percent; redispersible latex powder: 1.2 percent; an organic silicon water repellent agent: 0.4 percent.
Example 5
The invention comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 35.72 percent; stone powder: 62 percent; cellulose ether: 0.1 percent; starch ether: 0.08 percent; redispersible latex powder: 1.5 percent; an organic silicon water repellent agent: 0.6 percent.
Example 6
The invention comprises the following components in percentage by weight: 42.5 strength ordinary portland cement: 34.33 percent; stone powder: 63%; cellulose ether: 0.3 percent; starch ether: 0.07 percent; redispersible latex powder: 1.3 percent; an organic silicon water repellent agent: 1 percent.
The preparation method of the putty powder in the embodiment comprises the following steps: accurately weighing the raw materials respectively, adding the raw materials into a mixer, uniformly stirring the raw materials, wherein the rotating speed of a stirring blade is 90r/min, the rotating speed of a stirring cylinder is 60r/min, the gap between the stirring blade and the stirring cylinder is 2.0mm, and uniformly mixing the raw materials to obtain the premixed dry-mixed masonry mortar. Taking a certain amount of the dry-mixed masonry mortar, adding 28-30% of water, mixing the mixture by a laboratory mixer, testing various indexes of the mixture, and performing a worker construction test. Meanwhile, the common waterproof putty powder on the market is taken for comparison test, and the test data is shown in the following table.
The invention improves the raw materials, improves the tensile bonding strength compared with the putty powder on the market, improves the impermeability to the grade P10 compared with the waterproof putty powder on the market, uses limestone powder (the main component is calcium carbonate) generated after limestone crushing as the main filler after being screened, and the limestone powder is gray, thereby preventing material waste and improving the resource utilization rate. The invention has the characteristics of high cohesive force, no brick soaking for wall wetting in construction, good flexibility, water resistance, permeability resistance, crack resistance, aging resistance, high temperature resistance, freeze thawing resistance, no toxicity, environmental protection and simple and convenient construction.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The waterproof putty powder prepared from limestone powder is characterized by comprising the following components in percentage by weight:
42.5 strength ordinary portland cement: 32% -36%;
stone powder: 62% -66%;
cellulose ether: 0.1% -0.3%;
starch ether: 0.05% -0.1%;
redispersible latex powder: 1% -1.5%;
an organic silicon water repellent agent: 0.2% -1%.
2. The waterproof putty powder prepared from limestone powder as claimed in claim 1, which is composed of the following components in percentage by weight:
42.5 strength ordinary portland cement: 32% -35.1%;
stone powder: 63% -66%;
cellulose ether: 0.2% -0.3%;
starch ether: 0.07% -0.1%;
redispersible latex powder: 1.2% -1.3%;
an organic silicon water repellent agent: 0.4% -0.5%.
3. The waterproof putty powder prepared from limestone powder as claimed in claim 2, which is composed of the following components in percentage by weight:
42.5 strength ordinary portland cement: 32 percent;
stone powder: 65.91 percent;
cellulose ether: 0.2 percent;
starch ether: 0.09%;
redispersible latex powder: 1.3 percent;
an organic silicon water repellent agent: 0.5 percent.
4. The waterproof putty powder prepared from limestone powder as claimed in claim 2, which is composed of the following components in percentage by weight:
42.5 strength ordinary portland cement: 34.03 percent;
stone powder: 64 percent;
cellulose ether: 0.3 percent;
starch ether: 0.07 percent;
redispersible latex powder: 1.2 percent;
an organic silicon water repellent agent: 0.4 percent.
5. The waterproof putty powder prepared from limestone powder as claimed in claim 2, which is composed of the following components in percentage by weight:
42.5 strength ordinary portland cement: 35.1 percent;
stone powder: 63%;
cellulose ether: 0.2 percent;
starch ether: 0.1 percent;
redispersible latex powder: 1.2 percent;
an organic silicon water repellent agent: 0.4 percent.
6. The limestone powder-made waterproof putty powder as claimed in any one of claims 1 to 5, wherein the redispersible latex powder comprises one or a mixture of styrene-butadiene copolymer, styrene-acrylic acid copolymer, vinyl acetate copolymer, polyacrylate homopolymer, vinyl acetate copolymer and vinyl acetate-ethylene copolymer.
7. The limestone powder-based waterproof putty powder for manufacturing according to any one of claims 1 to 5, characterized in that the cellulose ether comprises hydroxypropyl methyl cellulose ether or methyl hydroxypropyl cellulose ether.
8. The waterproof putty powder prepared from limestone powder according to any one of claims 1 to 5, wherein the limestone powder is collected by a dust collection system during a limestone crushing and screening process.
9. The waterproof putty powder prepared from limestone powder according to any one of claims 1 to 5, wherein the preparation method of the waterproof putty powder comprises the following steps: conveying each component by a packing auger respectively; weighing the components respectively by a scale, and then conveying the components into a stirrer to be uniformly stirred; the time for stirring in the stirrer is more than three minutes.
10. The limestone Powder-based waterproof putty Powder of claim 1 wherein the organosilicon water repellent comprises Powder a or Powder D of wacker, germany.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015958.3A CN111019427A (en) | 2020-01-08 | 2020-01-08 | Waterproof putty powder prepared from limestone powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015958.3A CN111019427A (en) | 2020-01-08 | 2020-01-08 | Waterproof putty powder prepared from limestone powder |
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| CN111019427A true CN111019427A (en) | 2020-04-17 |
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| CN202010015958.3A Pending CN111019427A (en) | 2020-01-08 | 2020-01-08 | Waterproof putty powder prepared from limestone powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956704A (en) * | 2021-12-09 | 2022-01-21 | 崇左南方水泥有限公司 | Environment-friendly high-strength waterproof exterior wall putty and preparation method thereof |
| CN114907064A (en) * | 2021-02-07 | 2022-08-16 | 广东山众建筑科技有限公司 | Cement-based building material and preparation method thereof |
| CN115947571A (en) * | 2022-08-31 | 2023-04-11 | 沈阳市市政工程修建集团有限公司 | Organic silicon modified ultrathin repair putty for municipal bridge concrete veneer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086664A (en) * | 2013-01-08 | 2013-05-08 | 张立功 | Internal wall putty and production process thereof |
-
2020
- 2020-01-08 CN CN202010015958.3A patent/CN111019427A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086664A (en) * | 2013-01-08 | 2013-05-08 | 张立功 | Internal wall putty and production process thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114907064A (en) * | 2021-02-07 | 2022-08-16 | 广东山众建筑科技有限公司 | Cement-based building material and preparation method thereof |
| CN113956704A (en) * | 2021-12-09 | 2022-01-21 | 崇左南方水泥有限公司 | Environment-friendly high-strength waterproof exterior wall putty and preparation method thereof |
| CN115947571A (en) * | 2022-08-31 | 2023-04-11 | 沈阳市市政工程修建集团有限公司 | Organic silicon modified ultrathin repair putty for municipal bridge concrete veneer |
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Application publication date: 20200417 |
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