CN113637372A - Single-component exposed waterproof anticorrosive paint and preparation method thereof - Google Patents
Single-component exposed waterproof anticorrosive paint and preparation method thereof Download PDFInfo
- Publication number
- CN113637372A CN113637372A CN202110868348.2A CN202110868348A CN113637372A CN 113637372 A CN113637372 A CN 113637372A CN 202110868348 A CN202110868348 A CN 202110868348A CN 113637372 A CN113637372 A CN 113637372A
- Authority
- CN
- China
- Prior art keywords
- parts
- agent
- component exposed
- anticorrosive paint
- stirring
- 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.)
- Pending
Links
Classifications
-
- 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
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D7/43—Thickening agents
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
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 single-component exposed waterproof anticorrosive paint which comprises the following components in parts by weight: 20-30 parts of water; 10-20 parts of polyvinyl acetate; 25-40 parts of VAE; 0-20 parts of lipid compounds: 0-2 parts of a defoaming agent; 2-5 parts of a thickening agent; 5-10 parts of titanium dioxide; 10-20 parts of heavy calcium carbonate; 2-8 parts of a dispersing agent; 1-5 parts of a curing agent: 10-20 parts of an anticorrosive additive. The single-component exposed waterproof and anticorrosive coating and the preparation method thereof can ensure that the coating is fast and stable after being coated by adding the curing agent and the thickening agent, can improve the adhesive strength of the coating by adding the triple superphosphate and the titanium pigment, can ensure that the coating forms a ceramic glaze surface on the surface by adding the anticorrosive additive, has smooth and self-cleaning coating, resists impact, can resist acid and alkali corrosion for a long time, has strong adhesive force, is waterproof and oilproof, and can resist corrosion and soaking of organic solvents.
Description
Technical Field
The invention relates to the technical field of building coatings, in particular to a single-component exposed waterproof anticorrosive coating and a preparation method thereof.
Background
The coating is a material which is coated on the surface of an object, can be well bonded with a base material and forms a complete and tough protective film, is called as an architectural coating, is the same concept as paint, is a well-used name of people, is introduced into China and is always utilized in the building industry, and the function of the coating can be summarized into three aspects: protective action, decorative action, special functional action, general composition of the coating: comprises a film forming substance, a pigment filler, a solvent and an auxiliary agent;
the building waterproof paint is a general name of a viscous liquid polymer synthetic material which is in an unfixed shape at normal temperature, and can form a tough waterproof coating film on the surface of a base layer after being coated and cured through volatilization of a solvent or evaporation or reaction of moisture, common waterproof paints are polyurethane waterproof paints, polymer cement waterproof paints, silicone rubber waterproof paints and the like, the polyurethane waterproof paints are mostly synthesized by taking toluene diisocyanate as a raw material, and toxic solvents such as toluene, xylene, trimethylbenzene and the like or sec-butyl acetate solvents with large pungent odor are added as the raw material, so that the products cause serious physical health injury to operators during construction, the polymer cement waterproof paint is composed of emulsion synthesized by various waterborne polymers and high-quality cement mixed with various additives, and the flexibility of the polymer (resin) is integrated with the rigidity of the cement, the anti-permeability and stability of the concrete are excellent, and the concrete has the advantages of convenient construction, low comprehensive cost, short construction period, no toxicity and environmental protection;
at present, the practical service life of the building coating is limited, the building coating is damaged and falls off quickly under the erosion of rainwater, and the corresponding weather resistance and corrosion resistance are still to be further improved.
Disclosure of Invention
The invention aims to provide a single-component exposed waterproof anticorrosive coating and a preparation method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a single-component exposed waterproof anticorrosive coating comprises the following components in parts by weight:
20-30 parts of water;
10-20 parts of polyvinyl acetate;
25-40 parts of VAE;
0-20 parts of lipid compounds:
0-2 parts of a defoaming agent;
2-5 parts of a thickening agent;
5-10 parts of titanium dioxide;
10-20 parts of heavy calcium carbonate;
2-8 parts of a dispersing agent;
1-5 parts of a curing agent:
10-20 parts of an anticorrosive additive.
Preferably, the lipid compound is one or more of ethyl acetate, phenyl acetate and methyl benzoate.
Preferably, the defoamer is a nonionic defoamer.
Preferably, the dispersant is an anionic dispersant.
Preferably, the curing agent is composed of one or more of vinyl triamine, diaminodiphenylmethane, low molecular weight polyamide and resol.
Preferably, the heavy calcium carbonate is 350-500 meshes heavy calcium carbonate.
Preferably, the anticorrosive additive is prepared by mixing one or more of yttrium rare earth high-purity micro powder, ceramic micro powder and silicon carbide according to the same weight proportion.
A preparation method of a single-component exposed waterproof anticorrosive paint comprises the following steps:
step (1): adding water, polyvinyl acetate, a defoaming agent and lipid compounds into a stirrer, starting the stirrer, adjusting the rotating speed of the stirrer to 600-900 revolutions per minute, adding one third of VAE in the stirring process, and stirring for 10-15 min;
step (2): adding a dispersing agent, titanium dioxide and heavy calcium carbonate after stirring, increasing the rotating speed to 1045-1155 rpm, uniformly stirring for 15-20 min, adding an anticorrosive additive when stirring for 8-12 min, and adding the rest VAE under the condition of ensuring that no bubbles and particles exist;
and (3): and (3) adding a thickening agent and a fixing agent after the stirring in the step (2) is finished, adjusting the rotating speed of the stirrer to 570-630 rpm, uniformly stirring until no bubbles and particles exist, reducing the rotating speed, and slowly stopping.
The single-component exposed waterproof anticorrosive coating and the preparation method thereof have the beneficial effects that:
the lipid compound can be well fused with polyvinyl acetate, the coating can be quickly and stably coated after being brushed by adding the curing agent and the thickening agent, the adhesion strength of the coating can be improved by adding the triple superphosphate and the titanium dioxide, the ceramic glaze surface can be formed on the surface of the coating by adding the anticorrosive additive, the coating is smooth and self-cleaning, has impact resistance, can resist acid and alkali corrosion for a long time, has strong adhesion, is waterproof and oilproof, and can resist corrosion and soaking of organic solvents.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, the present invention provides a technical solution: a single-component exposed waterproof anticorrosive paint and a preparation method thereof comprise the following components and steps:
step (1): adding 25 parts of water, 12 parts of polyvinyl acetate, 2 parts of defoaming agent and 15 parts of methyl benzoate into a stirrer, starting the stirrer, adjusting the rotating speed of the stirrer to 700 revolutions per minute, adding 10 parts of VAE during stirring, and stirring for 10 min.
Step (2): after the stirring in the step (1) is finished, adding 5 parts of dispersing agent, 5 parts of titanium dioxide and 15 parts of 350-mesh heavy calcium carbonate, increasing the rotating speed to 1100 r/min, uniformly stirring for 18min, adding 15 parts of anticorrosive additive formed by mixing ceramic micro powder and silicon carbide when stirring for 8min, and adding the rest 20 parts of VAE under the condition of ensuring no bubbles and particles;
and (3): and (3) after the stirring in the step (2) is finished, adding 2 parts of thickening agent and 3 parts of fixing agent consisting of vinyl triamine and diaminodiphenylmethane, adjusting the rotating speed of the stirrer to 600 rpm, uniformly stirring until no bubbles and particles exist, reducing the rotating speed, and slowly stopping.
Embodiment 2, the present invention provides a technical solution: a single-component exposed waterproof anticorrosive paint and a preparation method thereof comprise the following components and steps:
step (1): adding 25 parts of water, 20 parts of polyvinyl acetate, 1 part of defoaming agent and 15 parts of lipid compound consisting of phenyl acetate and methyl benzoate into a stirrer, starting the stirrer, adjusting the rotating speed of the stirrer to 700 revolutions per minute, adding 10 parts of VAE during stirring, and stirring for 15 min.
Step (2): after the stirring in the step (1) is finished, adding 6 parts of dispersing agent, 6 parts of titanium dioxide and 20 parts of 400-mesh heavy calcium carbonate, increasing the rotating speed to 1100 r/min, uniformly stirring for 20min, adding 15 parts of anticorrosive additive formed by mixing ceramic micro powder and silicon carbide when stirring for 10min, and adding the rest 20 parts of VAE under the condition of ensuring no bubbles and particles;
and (3): and (3) adding 3 parts of thickening agent and 2 parts of diaminodiphenylmethane after the stirring in the step (2) is finished, adjusting the rotating speed of the stirrer to 600 revolutions per minute, uniformly stirring until no bubbles and particles exist, and then reducing the rotating speed and slowly stopping.
Embodiment 3, the present invention provides a technical solution: a single-component exposed waterproof anticorrosive paint and a preparation method thereof comprise the following components and steps:
step (1): adding 30 parts of water, 15 parts of polyvinyl acetate, 2 parts of defoaming agent and 15 parts of ethyl acetate into a stirrer, starting the stirrer, adjusting the rotating speed of the stirrer to 600 revolutions per minute, adding 10 parts of VAE during stirring, and stirring for 12 min.
Step (2): after the stirring in the step (1) is finished, adding 6 parts of dispersing agent, 5 parts of titanium dioxide and 15 parts of 500-mesh heavy calcium carbonate, increasing the rotating speed to 1150 revolutions per minute, uniformly stirring for 18min, adding 15 parts of ceramic micro powder while stirring for 10min, and adding the rest 20 parts of VAE under the condition of ensuring that no bubbles or particles exist;
and (3): and (3) adding 3 parts of thickening agent and 3 parts of fixing agent consisting of vinyl triamine and diaminodiphenylmethane after the stirring in the step (2) is finished, adjusting the rotating speed of the stirrer to 600 revolutions per minute, uniformly stirring until no bubbles and particles exist, reducing the rotating speed, and slowly stopping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A single-component exposed waterproof anticorrosive paint is characterized in that: comprises the following components in parts by weight:
20-30 parts of water;
10-20 parts of polyvinyl acetate;
25-40 parts of VAE;
0-20 parts of lipid compounds:
0-2 parts of a defoaming agent;
2-5 parts of a thickening agent;
5-10 parts of titanium dioxide;
10-20 parts of heavy calcium carbonate;
2-8 parts of a dispersing agent;
1-5 parts of a curing agent:
10-20 parts of an anticorrosive additive.
2. The single-component exposed waterproof and anticorrosive paint according to claim 1, wherein: the following steps: the lipid compound is one or more of ethyl acid ester, phenyl acid ester and methyl benzoate.
3. The single-component exposed waterproof and anticorrosive paint according to claim 1, wherein: : the defoaming agent is a non-ionic defoaming agent.
4. The single-component exposed waterproof and anticorrosive paint according to claim 1, wherein: the dispersant is an anionic dispersant.
5. The single-component exposed waterproof and anticorrosive paint according to claim 1, wherein: the curing agent is one or more of vinyl triamine, diaminodiphenylmethane, low molecular polyamide and resol.
6. The single-component exposed waterproof and anticorrosive paint according to claim 1, wherein: the heavy calcium is 350-500 meshes heavy calcium carbonate.
7. The single-component exposed waterproof and anticorrosive paint according to claim 1, wherein: the anticorrosive additive is prepared by mixing one or more of yttrium rare earth high-purity micro powder, ceramic micro powder and silicon carbide according to the same weight proportion.
8. The method for preparing a single-component exposed waterproof and anticorrosive paint according to any one of claims 1 to 7, wherein the method comprises the following steps: the method comprises the following steps:
step (1): adding water, polyvinyl acetate, a defoaming agent and lipid compounds into a stirrer, starting the stirrer, adjusting the rotating speed of the stirrer to 600-900 revolutions per minute, adding one third of VAE in the stirring process, and stirring for 10-15 min;
step (2): adding a dispersing agent, titanium dioxide and heavy calcium carbonate after stirring, increasing the rotating speed to 1045-1155 rpm, uniformly stirring for 15-20 min, adding an anticorrosive additive when stirring for 8-12 min, and adding the rest VAE under the condition of ensuring that no bubbles and particles exist;
and (3): and (3) adding a thickening agent and a fixing agent after the stirring in the step (2) is finished, adjusting the rotating speed of the stirrer to 570-630 rpm, uniformly stirring until no bubbles and particles exist, reducing the rotating speed, and slowly stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868348.2A CN113637372A (en) | 2021-07-30 | 2021-07-30 | Single-component exposed waterproof anticorrosive paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868348.2A CN113637372A (en) | 2021-07-30 | 2021-07-30 | Single-component exposed waterproof anticorrosive paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113637372A true CN113637372A (en) | 2021-11-12 |
Family
ID=78419076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110868348.2A Pending CN113637372A (en) | 2021-07-30 | 2021-07-30 | Single-component exposed waterproof anticorrosive paint and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113637372A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725122A (en) * | 2013-12-30 | 2014-04-16 | 河北晨阳工贸集团有限公司 | Home decoration coating and preparation method thereof |
| CN104497724A (en) * | 2014-11-03 | 2015-04-08 | 武汉市恒星防水材料有限公司 | Polymer cement waterproof paint and preparation method thereof |
| CN104559366A (en) * | 2014-12-11 | 2015-04-29 | 昆山市悦硕建筑材料有限公司 | Waterproof architectural paint |
| CN106634355A (en) * | 2016-12-30 | 2017-05-10 | 昆明风行防水材料有限公司 | Polymer emulsion waterproof coating and preparation method thereof |
| CN107880658A (en) * | 2017-12-20 | 2018-04-06 | 安徽力峰建材科技有限公司 | A kind of high strength elastic waterproof architectural coating |
| CN112063284A (en) * | 2020-08-24 | 2020-12-11 | 安徽未来表面技术有限公司 | Waterborne polyurethane composite coating and preparation method thereof |
-
2021
- 2021-07-30 CN CN202110868348.2A patent/CN113637372A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725122A (en) * | 2013-12-30 | 2014-04-16 | 河北晨阳工贸集团有限公司 | Home decoration coating and preparation method thereof |
| CN104497724A (en) * | 2014-11-03 | 2015-04-08 | 武汉市恒星防水材料有限公司 | Polymer cement waterproof paint and preparation method thereof |
| CN104559366A (en) * | 2014-12-11 | 2015-04-29 | 昆山市悦硕建筑材料有限公司 | Waterproof architectural paint |
| CN106634355A (en) * | 2016-12-30 | 2017-05-10 | 昆明风行防水材料有限公司 | Polymer emulsion waterproof coating and preparation method thereof |
| CN107880658A (en) * | 2017-12-20 | 2018-04-06 | 安徽力峰建材科技有限公司 | A kind of high strength elastic waterproof architectural coating |
| CN112063284A (en) * | 2020-08-24 | 2020-12-11 | 安徽未来表面技术有限公司 | Waterborne polyurethane composite coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6632969B2 (en) | Additive to resin composition for improving impact strength and flexibility | |
| US20070224362A1 (en) | Two-part waterborne epoxy coating composition and method | |
| EP3933003A1 (en) | Dual-component aqueous epoxy resin paint | |
| CN104774513B (en) | There is VAE cement waterproof paints and its preparation of self-leveling energy for ramped surfaces | |
| CN106893423A (en) | Agricultural machinery aqueous amino-stoving varnish and preparation method thereof | |
| US7435449B2 (en) | Waterborne epoxy coating composition and method | |
| CN110551431A (en) | ultrathin composite rock slice stone-like paint and preparation method and application thereof | |
| CN104884494A (en) | Liquid-applied waterproofing membrane for roofs comprising two different aldimines | |
| CN109486408A (en) | Exempt from high anti-sag PU priming paint of filling and preparation method thereof of polishing | |
| KR101307351B1 (en) | Post-cure type polyurea composition and method for waterproof and anticorrosion of concrete structures using the same | |
| CN112480798A (en) | Polyurea waterproof engineering coating, preparation method and use method | |
| KR100833274B1 (en) | High speed drying paint composition and manufacturing method thereof | |
| CN113637372A (en) | Single-component exposed waterproof anticorrosive paint and preparation method thereof | |
| CN103113809A (en) | High-bonding strength base paint for wet concrete interface and preparation method thereof | |
| KR101900590B1 (en) | Solvent free epoxy paint composition for flooring system | |
| CN100549091C (en) | Composition epoxy resin and epoxy-polysiloxane coating composition | |
| JP2018171613A (en) | Solventless urethane primer coating method for hand coating | |
| CN104559592A (en) | Fluorocarbon elastic paint and preparation method thereof | |
| CN105219211A (en) | A kind of high-performance scumbling type aqueous epoxy floor coating and preparation method thereof | |
| CN109280139B (en) | Thermosetting water-based epoxy acrylic acid composite modified polyester resin and preparation method thereof | |
| CN113150648A (en) | Aqueous bi-component thick-coatable ultralow-VOC high-solid clear primer and preparation method thereof | |
| CN113150649A (en) | Water-based anti-bleeding ultralow-VOC high-fullness white primer and preparation method thereof | |
| CN114085599A (en) | Wind power blade coating with adjustable pot life and preparation method thereof | |
| CN112341875A (en) | Superstrong water-resistant alkali-resistant anti-stripping transparent primer for textured paper and preparation method thereof | |
| CN112457743A (en) | Water-based waterproof coating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |