CN110835482A - Polymer cement waterproof coating - Google Patents
Polymer cement waterproof coating Download PDFInfo
- Publication number
- CN110835482A CN110835482A CN201810937972.1A CN201810937972A CN110835482A CN 110835482 A CN110835482 A CN 110835482A CN 201810937972 A CN201810937972 A CN 201810937972A CN 110835482 A CN110835482 A CN 110835482A
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- CN
- China
- Prior art keywords
- material component
- percent
- waterproof coating
- polymer cement
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
- C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a polymer cement waterproof coating, which belongs to the technical field of waterproof coatings and comprises a liquid material component and a powder material component; the liquid material comprises the following components in percentage by weight: 80-90% of EVA emulsion, 0.2-0.5% of dispersant, 1-3% of film forming additive, 0.5-2% of neutralizer and the balance of water; the powder material component comprises the following components in percentage by weight: 40 to 70 percent of special cement, 20 to 50 percent of filler, 0.5 to 1 percent of water-soluble fiber and 0.5 to 1 percent of defoaming agent; the weight ratio of the liquid material component to the powder material component is 10: 6-9; the polymer cement waterproof coating has the advantages of high elongation, high bonding strength, good water resistance, alkali resistance and weather resistance, can be directly constructed on a wet or dry base surface, and can be used for various new and old buildings and structures.
Description
Technical Field
The invention belongs to the technical field of waterproof coatings, and particularly relates to a polymer cement waterproof coating.
Background
The polymer cement waterproof coating is also called JS waterproof coating, is simple to construct and can be constructed in a cold mode, the thickness of the waterproof layer is only 1.5-2.0 mm, and the polymer cement waterproof coating belongs to a nontoxic, harmless and pollution-free green environment-friendly water-based coating product, is favored by people more and is one of the key materials recommended by the state.
The polymer cement waterproof coating used in the current market is not easy to adhere in a scraping and grinding process in a construction process, is long in drying time and causes difficulty in construction. Some had a marginal tensile strength although the elongation was observed, and some had a sufficient tensile strength and a poor elongation.
Disclosure of Invention
The invention provides a polymer cement waterproof coating for overcoming the problems in the prior art, which has the advantages of high elongation, high bonding strength, good water resistance, alkali resistance and weather resistance, can be directly constructed on a wet or dry base surface, and can be used for various new and old buildings and structures.
In order to solve the problems in the prior art, the following technical scheme is adopted.
A polymer cement waterproof coating comprises a liquid component and a powder component;
the liquid material comprises the following components in percentage by weight: 80-90% of EVA emulsion, 0.2-0.5% of dispersant, 1-3% of film forming additive, 0.5-2% of neutralizer and the balance of water;
the powder material component comprises the following components in percentage by weight: 40 to 70 percent of special cement, 20 to 50 percent of filler, 0.5 to 1 percent of water-soluble fiber and 0.5 to 1 percent of defoaming agent;
the weight ratio of the liquid material component to the powder material component is 10: 6-9.
Furthermore, the special cement is 42.5 ordinary portland cement or high-alumina cement.
Further, the filler is one of the mixture of quartz sand, ground limestone and wollastonite powder.
Further, the water-soluble fiber is one of modified polypropylene monofilament fiber, lignin fiber and polypropylene die-cracked fiber.
Compared with the prior art, the invention has the following beneficial effects:
the polymer cement waterproof coating has the advantages of high elongation, high bonding strength, good water resistance, alkali resistance and weather resistance, and can be directly constructed on wet or dry base surfaces (masonry, mortar concrete, metal, various heat-insulating layers and various waterproof layers); the building can be used for various new and old buildings and structures (such as basements, tunnels, bridges, reservoirs, pools and the like).
Detailed Description
The technical solution of the invention will be clearly and completely described below with reference to the embodiments of the invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
The polymer cement waterproof coating comprises the following components in parts by weight:
100 parts of liquid material components, wherein 85 parts of EVA emulsion, 3 parts of dispersant, 3 parts of film-forming assistant, 1 part of neutralizer and 5 parts of water;
60 parts of powder components; wherein, 30 parts of 42.5 ordinary Portland cement, 29.2 parts of ground limestone, 0.5 part of polypropylene mould-broken fiber and 0.3 part of defoaming agent.
Example 2
The polymer cement waterproof coating comprises the following components in parts by weight:
100 parts of liquid material components, wherein 90 parts of EVA emulsion, 2 parts of dispersing agent, 2 parts of film forming additive, 0.5 part of neutralizing agent and 5.5 parts of water;
75 parts of powder components; the high-alumina cement mortar comprises 52.5 parts of high-alumina cement, 21 parts of quartz sand, 0.75 part of modified polypropylene monofilament fiber and 0.75 part of defoaming agent.
Example 3
The polymer cement waterproof coating comprises the following components in parts by weight:
100 parts of liquid material components, wherein 80 parts of EVA emulsion, 5 parts of dispersant, 1 part of film-forming assistant, 2 parts of neutralizer and 12 parts of water;
90 parts of powder components; wherein, 42.5 parts of ordinary Portland cement 36 parts, 52.83 parts of wollastonite powder, 0.45 part of lignin fiber and 0.72 part of defoaming agent.
The polymer cement waterproof coating of any one of the embodiments has the advantages of high elongation, high bonding strength, good water resistance, alkali resistance and weather resistance, can be directly constructed on a wet or dry base surface, and can be used for various new and old buildings and structures.
Claims (4)
1. A polymer cement waterproof coating comprises a liquid material component and a powder material component, and is characterized in that,
the liquid material comprises the following components in percentage by weight: 80-90% of EVA emulsion, 0.2-0.5% of dispersant, 1-3% of film forming additive, 0.5-2% of neutralizer and the balance of water;
the powder material component comprises the following components in percentage by weight: 40 to 70 percent of special cement, 20 to 50 percent of filler, 0.5 to 1 percent of water-soluble fiber and 0.5 to 1 percent of defoaming agent;
the weight ratio of the liquid material component to the powder material component is 10: 6-9.
2. The polymer cement waterproof coating material as claimed in claim 1, wherein the special cement is 42.5 Portland cement or high alumina cement.
3. The polymer cement waterproofing coating according to claim 1, wherein said filler is one of a mixture of quartz sand, ground calcium carbonate, and wollastonite powder.
4. The polymer cement waterproof coating material as claimed in claim 1, wherein the water-soluble fiber is one of modified polypropylene monofilament fiber, lignin fiber and polypropylene mold-split fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937972.1A CN110835482A (en) | 2018-08-17 | 2018-08-17 | Polymer cement waterproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937972.1A CN110835482A (en) | 2018-08-17 | 2018-08-17 | Polymer cement waterproof coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110835482A true CN110835482A (en) | 2020-02-25 |
Family
ID=69573479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937972.1A Pending CN110835482A (en) | 2018-08-17 | 2018-08-17 | Polymer cement waterproof coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110835482A (en) |
-
2018
- 2018-08-17 CN CN201810937972.1A patent/CN110835482A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200225 |
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| WD01 | Invention patent application deemed withdrawn after publication |