CN111019500A - Water-based acrylic polyurethane finish paint for rail transit and preparation method thereof - Google Patents
Water-based acrylic polyurethane finish paint for rail transit and preparation method thereof Download PDFInfo
- Publication number
- CN111019500A CN111019500A CN201911101265.XA CN201911101265A CN111019500A CN 111019500 A CN111019500 A CN 111019500A CN 201911101265 A CN201911101265 A CN 201911101265A CN 111019500 A CN111019500 A CN 111019500A
- Authority
- CN
- China
- Prior art keywords
- parts
- weight
- water
- stirring
- component
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6295—Polymers of silicium containing compounds having carbon-to-carbon double bonds
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a preparation method of water-based acrylic polyurethane finish paint for rail transit, which belongs to the technical field of rail transit coating and is prepared by blending a component A and a component B in proportion; the component A comprises the following raw materials in parts by weight: 50-60 parts of water-based hydroxyl acrylic resin, 20-25 parts of pigment and filler, 0.5-1 part of thickener, 1-1.5 parts of wetting dispersant, 0.1-0.3 part of defoamer, 0.1-0.5 part of flatting agent, 0.1-0.3 part of base material wetting agent, 4-8 parts of cosolvent, 0.1-0.5 part of ultraviolet absorbent and 5-10 parts of deionized water; the component B consists of the following raw materials in parts by weight: 80-90 parts of isocyanate curing agent and 10-20 parts of diluent solvent. The prepared waterborne acrylic polyurethane finish paint has low voc content, excellent flexibility, chemical resistance, wear resistance and chemical resistance, and can resist artificial aging for 3000 hours.
Description
Technical Field
The invention relates to the technical field of rail transit coatings, in particular to a water-based acrylic polyurethane finish paint for rail transit and a preparation method thereof.
Background
With global economic development and industrial recovery, the rail transit industry is rapidly developing. Rail traffic is a transportation system formed by rails and vehicles running on the rails. The railway track traffic is developed vigorously in various countries, and infrastructure construction of inter-city and urban area track traffic, urban track traffic and the like undoubtedly drives the rapid development of regional economy along the line. The rail vehicle is corroded by sun, rain, wind, sand, fog and snow and various harmful gases for years, and the anticorrosive paint is one of key links for solving the problem. At present, most of the traditional solvent type medium-low solid system coatings are still used in the coating process, and with the increasing attention of people on environmental protection, the traditional high-VOC solvent type coatings are gradually replaced by environment-friendly coatings, wherein the water-based coatings serving as one of the representatives of the environment-friendly coatings are successfully applied to the industries such as rail transit and the like in Europe and America and the like. The rail transit coating not only needs to have certain anticorrosion capability, but also needs to have certain environmental protection, decorative effect, excellent mechanical strength and chemical resistance, such as: impact strength, wear resistance, paint film hardness, adhesion, water resistance, oil resistance, hiding power, flexibility and the like.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the water-based acrylic polyurethane finish paint for the rail transit and the preparation method thereof, and the prepared water-based acrylic polyurethane finish paint has low voc content, excellent flexibility, chemical resistance, wear resistance and chemical resistance and artificial aging resistance of 3000 hours.
In order to achieve the purpose, the invention adopts the specific scheme that:
a water-based acrylic polyurethane finish paint for rail transit is prepared from a component A and a component B according to the weight ratio of 5: 1 by weight ratio; the component A comprises the following raw materials in parts by weight: 50-60 parts of water-based hydroxyl acrylic resin, 20-25 parts of pigment and filler, 0.5-1 part of thickener, 1-1.5 parts of wetting dispersant, 0.1-0.3 part of defoamer, 0.1-0.5 part of flatting agent, 0.1-0.3 part of base material wetting agent, 4-8 parts of cosolvent, 0.1-0.5 part of ultraviolet absorbent and 5-10 parts of deionized water; the component B comprises the following raw materials in parts by weight: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of diluent solvent.
The preparation method of the waterborne hydroxyl acrylic resin comprises the following steps:
step one, weighing the following raw materials in parts by weight: 40-50 parts of methyl methacrylate, 10-14 parts of butyl acrylate, 10-15 parts of styrene, 5-10 parts of hydroxyethyl acrylate, 1-2 parts of monomer acrylic acid, 4-8 parts of perfluorooctyl triethoxysilane, 0.5-1 part of composite initiator, 1-2 parts of composite emulsifier, 1-5 parts of neutralizer AMP-953 and 10-20 parts of deionized water; the composite initiator comprises the following components in a mass ratio of 1: 1 potassium persulfate and sodium bisulfite; the composite emulsifier comprises the following components in a mass ratio of 2: 1 sodium dodecylbenzene sulfonate and polyoxyethylene octylphenyl ether;
mixing methyl methacrylate, butyl acrylate, styrene, hydroxyethyl acrylate, monomer acrylic acid and perfluorooctyl triethoxysilane to prepare a monomer mixed solution for later use;
step three, mixing 1/3 parts of deionized water and 1/2 parts of composite emulsifier, stirring and dissolving, slowly dropwise adding a monomer mixed solution, and pre-emulsifying for 1 hour to prepare a pre-emulsion for later use;
step four, adding 1/3 deionized water and 1/2 composite emulsifier into the reaction kettle, stirring and heating to 70 ℃, slowly adding 1/10 pre-emulsion under the stirring state, dispersing for 5min, heating to 90 ℃, adding 1/4 initiator solution, and keeping the temperature for 1 h; slowly dripping 9/10 pre-emulsion and 2/4 initiator solution, controlling the dripping time to be completed within 3h, and keeping the temperature for 1 h; cooling to 75 ℃, dropwise adding 1/4 initiator solution, keeping the temperature for 30min, cooling, and adjusting the pH to 8 by using a neutralizer AMP-30 to obtain a modified hydroxy acrylic emulsion with the solid content of 41-43%; the initiator solution is formed by mixing a composite initiator and 1/3 parts of deionized water.
The pigment and filler is one or more of molybdenum chrome red, titanium dioxide, carbon black and precipitated barium sulfate;
the thickening agent is one or two of TEGO 3030 or BYK-420;
the wetting dispersant is one or more of EFKA4550, TEGO 760W or BYK-184;
the defoaming agent is one or two of TEGO 825 or BYK-011;
the leveling agent is one or two of TEGO-410 or BYK-381;
the substrate wetting agent is one or two of TEGO 270 or BYK-346;
the cosolvent is one or two of propylene glycol butyl ether or propylene glycol methyl ether.
The preparation method of the ultraviolet absorbent comprises the following steps: uniformly stirring and mixing benzoic acid, water and an EDCI/HOBT mixed solution, stirring at a medium speed for 2h, heating to 60 ℃ in a stirring state, slowly dropwise adding resorcinol for 5h, cooling, crystallizing, filtering to obtain a resorcinol monobenzoate ultraviolet absorbent, and crushing the dried resorcinol monobenzoate by a ball mill to obtain ultrafine particle powder with uniform particle size (the particle size is less than 5 mu m). Further, 45 parts by weight of benzoic acid, 5 parts by weight of water, 10 parts by weight of EDCI/HOBT mixed solution and 40 parts by weight of resorcinol; the volume ratio of EDCI to HOBT in the EDCI/HOBT mixed solution is 1: 1.
the isocyanate curing agent is one or two of Bayer 2593-1 or Pasteur XD 803;
the diluent solvent is one or two of propylene glycol methyl ether acetate (PMA) or Propylene Glycol Diacetate (PGDA).
The invention also provides a preparation method of the water-based acrylic polyurethane finish paint for rail transit, which comprises the following steps:
the preparation method of the component A comprises the following steps:
adding 1/2 deionized water and a wetting dispersant into a dispersion kettle, and dispersing at a low speed for 3-5 minutes; adding 1/3 defoaming agent under stirring; slowly adding 1/2 cosolvent under stirring, stirring at 900r/min for 10min, adding pigment and filler and ultraviolet absorbent under stirring, stirring at 900r/min for 10-20 min, and sanding to 10 μm; adding the water-based hydroxyl acrylic resin into a paint mixing kettle, uniformly stirring at 300r/min, and slowly adding the grinding material while stirring. Slowly adding 2/3 defoamer, flatting agent, base material wetting agent, 1/2 cosolvent and 1/2 deionized water under stirring at 500r/min, slowly adding thickener under stirring, and stirring at 500r/min for 10-15 min. After each inspection item is qualified, filtering and barreling the inspection items by using a vibrating screen 120-mesh net to obtain a component A;
the preparation method of the component B comprises the following steps:
mixing and dispersing the water-based isocyanate curing agent and the diluent solvent in proportion uniformly, and subpackaging according to packaging specifications to obtain a component B;
step three, mixing the component A and the component B according to the ratio of 5: 1, and preparing the water-based acrylic polyurethane finish paint for the rail transit.
The water-based acrylic polyurethane finish paint for rail transit, which is obtained by adopting the self-made modified hydroxyl acrylic emulsion and the ultraviolet absorbent, is quick to dry, low in VOC content, excellent in mechanical property, high and low temperature alternation resistance, chemical solvent resistance, adhesive force, impact resistance, wear resistance and weather resistance, and meets the application requirements of rail transit.
Has the advantages that: (1) the invention uses the modified hydroxyl acrylic emulsion self-made by the perfluorooctyl triethoxysilane monomer, so that the water-based acrylic polyurethane finish paint for rail transit has the high-low temperature alternation resistance (humidity-resistant cold-heat cycle, 20 times) and stain resistance of organic silicon modification and the weather resistance of organic fluorine modification (matching with the self-made ultraviolet absorbent for use, the artificial aging resistance is 3000 hours, no crack, pulverization and color fading are caused, the color difference value is less than or equal to 1.5, and the light loss rate is less than or equal to 10%).
(2) According to the invention, the self-made resorcinol monobenzoate prepared from benzoic acid and resorcinol is used as an ultraviolet absorbent, which has little absorption to ultraviolet rays in a wave band of 300-400 nm, but molecules are rearranged under the action of light to generate 2, 4-dihydroxy benzophenone, so that the light stability effect is exerted; in addition, since the reduction in particle size increases the surface area of the ultraviolet absorber, the action area increases, and the light stabilizing action is further improved.
(3) Compared with the existing waterborne acrylic polyurethane finish paint, the waterborne acrylic polyurethane finish paint for rail transit prepared by the invention has better gloss (more than 80 and 20 degrees) and hardness (6H) than the existing technology.
(4) The water-based acrylic polyurethane finish paint for rail transit, prepared by the invention, has the advantages of high volume solid content, quick drying and the like. The thickness of the single-pass coating dry film is 120 mu m, no defects such as dark bubbles, pinholes and the like exist, and the activation period is as long as 4 h.
Detailed Description
The present invention is further described with reference to specific examples to enable those skilled in the art to better understand the present invention and to practice the same, but the examples are not intended to limit the present invention.
A water-based acrylic polyurethane finish paint for rail transit is prepared from a component A and a component B according to the weight ratio of 5: 1, wherein the component A consists of the following raw materials in parts by weight:
50-60 parts of water-based hydroxyl acrylic resin, 20-25 parts of pigment and filler, 0.5-1 part of thickener, 1-1.5 parts of wetting dispersant, 0.1-0.3 part of defoamer, 0.1-0.5 part of flatting agent, 0.1-0.3 part of base material wetting agent, 4-8 parts of cosolvent, 0.1-0.5 part of ultraviolet absorbent and 5-10 parts of deionized water; the component B comprises the following raw materials in parts by weight: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of diluent solvent.
A preparation method of water-based acrylic polyurethane finish paint for rail transit comprises the following steps:
the preparation method of the component A comprises the following steps:
1/2 deionized water and a wetting dispersant are added into a dispersion kettle, and are dispersed for 3-5 minutes at a low speed (500 r/min); adding 1/3 defoaming agent under stirring; slowly adding 1/2 cosolvent under stirring, stirring at 900r/min for 10min, adding pigment and filler and ultraviolet absorbent under stirring, stirring at 900r/min for 10-20 min, and sanding to 10 μm; adding the water-based hydroxyl acrylic resin into a paint mixing kettle, uniformly stirring at 300r/min, and slowly adding the grinding material while stirring. Slowly adding 2/3 defoamer, flatting agent, base material wetting agent, 1/2 cosolvent and 1/2 deionized water (each auxiliary agent is separated by 3-5 minutes) under stirring at 500r/min, slowly adding thickener under stirring, and stirring at 500r/min for 10-15 min. After each inspection item is qualified, filtering and barreling the inspection items by using a vibrating screen 120-mesh net to obtain a component A;
the preparation method of the component B comprises the following steps:
mixing and dispersing the water-based isocyanate curing agent and the diluent solvent in proportion uniformly, and subpackaging according to packaging specifications to obtain a component B;
step three, mixing the component A and the component B according to the ratio of 5: 1, and preparing the water-based acrylic polyurethane finish paint for the rail transit.
During construction, 5-15% of deionized water is added into the water-based acrylic polyurethane finish paint for rail transit for dilution, the water-based acrylic polyurethane finish paint can be used for construction after being uniformly stirred, and the construction mode adopts spraying, rolling or brushing.
The following is a list of three examples according to the technical solution of the invention, which can explain the invention in more detail, and the purpose of disclosing the invention is to protect all changes and modifications within the scope of the invention.
Example 1
A preparation method of water-based acrylic polyurethane finish paint for rail transit comprises the following steps:
firstly, preparing a component A:
1. preparation of aqueous hydroxy acrylic resin:
5 parts by weight of deionized water and 1 part by weight of composite emulsifier are mixed and stirred for dissolution, then a monomer mixed solution consisting of 46 parts by weight of methyl methacrylate, 10 parts by weight of butyl acrylate, 12 parts by weight of styrene, 5 parts by weight of hydroxyethyl acrylate, 1 part by weight of monomer acrylic acid and 5 parts by weight of perfluorooctyltriethoxysilane is slowly dropped, and the pre-emulsion prepared for 1 hour is pre-emulsified for standby. Adding 5 parts by weight of deionized water and 1 part by weight of composite emulsifier into a reaction kettle, stirring and heating to 70 ℃, slowly adding 1/10 parts by weight of pre-emulsion under the stirring state, dispersing for 5min, heating to 90 ℃, adding 1.5 parts by weight of initiator solution (mixed solution of 5 parts by weight of deionized water and 1 part by weight of composite initiator), and keeping the temperature for 1 h. Slowly dripping 9/10 parts by weight of pre-emulsion and 3 parts by weight of initiator solution, controlling the dripping time to be 3 hours, and keeping the temperature for 1 hour; and (3) cooling to 75 ℃, dropwise adding 1.5 parts by weight of initiator solution, keeping the temperature for 30min, cooling, and adjusting the pH to 8 by using 3 parts by weight of neutralizer AMP-30 to obtain the modified hydroxyl acrylic emulsion with the solid content of 42%.
2. Preparation of ultraviolet absorber:
uniformly stirring and mixing 45 parts by weight of benzoic acid, 5 parts by weight of water and 10 parts by weight of EDCI/HOBT (1: 1) mixed solution, stirring at a medium speed for 2 hours, heating to 60 ℃ under the stirring state, slowly dropwise adding 40 parts by weight of resorcinol, controlling the dropwise adding time to be 5 hours, cooling, crystallizing and filtering to obtain the resorcinol monobenzoate ultraviolet absorbent for later use.
3. Adding 5 parts by weight of deionized water and 1 part by weight of wetting dispersant into a dispersion kettle, and dispersing at a low speed (500r/min) for 3-5 minutes; adding 0.1 part by weight of defoaming agent under stirring; slowly adding 4 parts by weight of cosolvent under stirring, stirring for 10 minutes at 900r/min, adding 24 parts by weight of pigment and filler and 0.3 part by weight of ultraviolet absorbent under stirring, stirring for 10-20 minutes at 900r/min, and sanding to 10 mu m; adding 55 parts by weight of water-based hydroxyl acrylic resin into a paint mixing kettle, uniformly stirring at 300r/min, and slowly adding an abrasive during stirring. Slowly adding 0.2 weight part of defoaming agent, 0.2 weight part of flatting agent, 0.2 weight part of base material wetting agent, 4 weight parts of cosolvent and 5 weight parts of deionized water (every auxiliary agent is separated for 3-5 minutes) under the stirring of 500r/min, slowly adding 1 weight part of thickening agent under the stirring, and stirring for 10-15 minutes at 500 r/min. After each inspection item is qualified, filtering and barreling by using a vibrating screen 120-mesh net to obtain the component A.
Secondly, preparing a component B:
and (3) putting 80 parts by weight of water-based isocyanate curing agent and 20 parts by weight of diluent solvent into a dispersion mixer together for uniform dispersion, discharging, filtering and packaging to obtain the component B.
Thirdly, mixing the component A and the component B according to the ratio of 5: 1, preparing the water-based acrylic polyurethane finish paint for rail transit, diluting the water-based acrylic polyurethane finish paint for rail transit by adding 5-15% of deionized water into the water-based acrylic polyurethane finish paint for rail transit during construction, diluting and stirring uniformly, and applying the paint for construction by adopting a spraying, rolling or brushing way. The diluent is added in different amounts in different construction modes.
In the invention, the pigment and the filler adopt titanium dioxide; the thickening agent adopts TEGO 3030; the wetting dispersant adopts EFKA 4550; the defoaming agent adopts TEGO 825; the leveling agent adopts TEGO-410; the substrate wetting agent adopts TEGO 270; the cosolvent adopts propylene glycol butyl ether. The waterborne isocyanate curing agent adopts Bayer 2593-1; the diluent solvent adopts propylene glycol methyl ether acetate (PMA).
Example 2
A preparation method of water-based acrylic polyurethane finish paint for rail transit comprises the following steps:
firstly, preparing a component A:
1. preparation of aqueous hydroxy acrylic resin:
5 parts by weight of deionized water and 1 part by weight of composite emulsifier are mixed and stirred for dissolution, then a monomer mixed solution consisting of 46 parts by weight of methyl methacrylate, 10 parts by weight of butyl acrylate, 12 parts by weight of styrene, 5 parts by weight of hydroxyethyl acrylate, 1 part by weight of monomer acrylic acid and 5 parts by weight of perfluorooctyltriethoxysilane is slowly dropped, and the pre-emulsion prepared for 1 hour is pre-emulsified for standby. Adding 5 parts by weight of deionized water and 1 part by weight of composite emulsifier into a reaction kettle, stirring and heating to 70 ℃, slowly adding 9 parts by weight of pre-emulsion in a stirring state, dispersing for 5min, heating to 90 ℃, adding 1.5 parts by weight of initiator solution (mixed solution of 5 parts by weight of deionized water and 1 part by weight of composite initiator), and keeping the temperature for 1 h. Slowly dripping 76 parts of pre-emulsion and 3 parts of initiator solution by weight, controlling the dripping time to be 3 hours, and keeping the temperature for 1 hour; and (3) cooling to 75 ℃, dropwise adding 1.5 parts by weight of initiator solution, keeping the temperature for 30min, cooling, and adjusting the pH to 8 by using 3 parts by weight of neutralizer AMP-30 to obtain the modified hydroxyl acrylic emulsion with the solid content of 42%.
2. Preparation of ultraviolet absorber:
uniformly stirring and mixing 45 parts by weight of benzoic acid, 5 parts by weight of water and 10 parts by weight of EDCI/HOBT (1: 1) mixed solution, stirring at a medium speed for 2 hours, heating to 60 ℃ under the stirring state, slowly dropwise adding 40 parts by weight of resorcinol, controlling the dropwise adding time to be 5 hours, cooling, crystallizing and filtering to obtain the resorcinol monobenzoate ultraviolet absorbent for later use.
3. Adding 4 parts by weight of deionized water and 1.5 parts by weight of wetting dispersant into a dispersion kettle, and dispersing at a low speed (500r/min) for 3-5 minutes; adding 0.1 part by weight of defoaming agent under stirring; slowly adding 3 parts by weight of cosolvent under stirring, stirring for 10 minutes at 900r/min, adding 22.5 parts by weight of pigment and filler and 0.3 part by weight of ultraviolet absorbent under stirring, stirring for 10-20 minutes at 900r/min, and sanding to 10 mu m of fineness; adding 60 parts by weight of water-based hydroxyl acrylic resin into a paint mixing kettle, uniformly stirring at 300r/min, and slowly adding an upper grinding material while stirring. Slowly adding 0.2 weight part of defoaming agent, 0.4 weight part of flatting agent, 0.3 weight part of base material wetting agent, 3 weight parts of cosolvent and 4 weight parts of deionized water (every auxiliary agent is separated for 3-5 minutes) under the stirring of 500r/min, slowly adding 0.7 weight part of thickening agent under the stirring, and stirring for 10-15 minutes at 500 r/min. After each inspection item is qualified, filtering and barreling by using a vibrating screen 120-mesh net to obtain the component A.
Secondly, preparing a component B:
and (3) putting 90 parts by weight of water-based isocyanate curing agent and 100 parts by weight of diluent solvent into a dispersion mixer together for uniform dispersion, discharging, filtering and packaging to obtain the component B.
Thirdly, mixing the component A and the component B according to the ratio of 5: 1, preparing the water-based acrylic polyurethane finish paint for rail transit, diluting the water-based acrylic polyurethane finish paint for rail transit by adding 5-15% of deionized water into the water-based acrylic polyurethane finish paint for rail transit during construction, diluting and stirring uniformly, and applying the paint for construction by adopting a spraying, rolling or brushing way. The diluent is added in different amounts in different construction modes.
In the invention, the pigment and filler consists of 15 weight parts of titanium dioxide, 0.5 weight part of molybdenum chrome red, 1 weight part of carbon black and 6 weight parts of precipitated barium sulfate; the thickening agent adopts BYK-420; TEGO 760W is adopted as a wetting dispersant; the defoaming agent adopts TEGO 825; the leveling agent adopts BYK-381; the base material wetting agent adopts BYK-346; the cosolvent adopts propylene glycol methyl ether. The water-based isocyanate curing agent adopts Pasteur XD 803; the diluent solvent is Propylene Glycol Diacetate (PGDA).
Example 3
A preparation method of water-based acrylic polyurethane finish paint for rail transit comprises the following steps:
firstly, preparing a component A:
1. preparation of aqueous hydroxy acrylic resin:
5 parts by weight of deionized water and 1 part by weight of composite emulsifier are mixed and stirred for dissolution, then a monomer mixed solution consisting of 46 parts by weight of methyl methacrylate, 10 parts by weight of butyl acrylate, 12 parts by weight of styrene, 5 parts by weight of hydroxyethyl acrylate, 1 part by weight of monomer acrylic acid and 5 parts by weight of perfluorooctyltriethoxysilane is slowly dropped, and the pre-emulsion prepared for 1 hour is pre-emulsified for standby. Adding 5 parts by weight of deionized water and 1 part by weight of composite emulsifier into a reaction kettle, stirring and heating to 70 ℃, slowly adding 9 parts by weight of pre-emulsion in a stirring state, dispersing for 5min, heating to 90 ℃, adding 1.5 parts by weight of initiator solution (mixed solution of 5 parts by weight of deionized water and 1 part by weight of composite initiator), and keeping the temperature for 1 h. Slowly dripping 76 parts of pre-emulsion and 3 parts of initiator solution by weight, controlling the dripping time to be 3 hours, and keeping the temperature for 1 hour; and (3) cooling to 75 ℃, dropwise adding 1.5 parts by weight of initiator solution, keeping the temperature for 30min, cooling, and adjusting the pH to 8 by using 3 parts by weight of neutralizer AMP-30 to obtain the modified hydroxyl acrylic emulsion with the solid content of 42%.
2. Preparation of ultraviolet absorber:
uniformly stirring and mixing 45 parts by weight of benzoic acid, 5 parts by weight of water and 10 parts by weight of EDCI/HOBT (1: 1) mixed solution, stirring at a medium speed for 2 hours, heating to 60 ℃ under the stirring state, slowly dropwise adding 40 parts by weight of resorcinol, controlling the dropwise adding time to be 5 hours, cooling, crystallizing and filtering to obtain the resorcinol monobenzoate ultraviolet absorbent for later use.
3. Adding 4 parts by weight of deionized water and 1.2 parts by weight of wetting dispersant into a dispersion kettle, and dispersing at a low speed (500r/min) for 3-5 minutes; adding 0.1 part by weight of defoamer A under stirring; slowly adding 4 parts by weight of cosolvent under stirring, stirring for 10 minutes at 900r/min, adding 23.7 parts by weight of pigment and filler and 0.3 part by weight of ultraviolet absorbent under stirring, stirring for 10-20 minutes at 900r/min, and sanding to 10 mu m of fineness; adding 57 parts by weight of water-based hydroxyl acrylic resin into a paint mixing kettle, uniformly stirring at 300r/min, and slowly adding an upper grinding material while stirring. Slowly adding 0.2 weight part of defoaming agent B, 0.3 weight part of flatting agent, 0.2 weight part of base material wetting agent, 4 weight parts of cosolvent and 4 weight parts of deionized water (every auxiliary agent is separated for 3-5 minutes) under stirring at 500r/min, slowly adding 1 weight part of thickening agent under stirring, and stirring for 10-15 minutes at 500 r/min. After each inspection item is qualified, filtering and barreling by using a vibrating screen 120-mesh net to obtain the component A.
Secondly, preparing a component B:
putting 87 parts by weight of water-based isocyanate curing agent and 13 parts by weight of diluent solvent into a dispersion mixer together for uniform dispersion, discharging, filtering and packaging to obtain the component B.
Thirdly, mixing the component A and the component B according to the ratio of 5: 1, preparing the water-based acrylic polyurethane finish paint for rail transit, diluting the water-based acrylic polyurethane finish paint for rail transit by adding 5-15% of deionized water into the water-based acrylic polyurethane finish paint for rail transit during construction, diluting and stirring uniformly, and applying the paint for construction by adopting a spraying, rolling or brushing way. The diluent is added in different amounts in different construction modes.
In the invention, the pigment filler consists of 15 weight parts of titanium dioxide, 1.7 weight parts of carbon black and 7 weight parts of precipitated barium sulfate; the thickening agent adopts BYK-420; the wetting dispersant adopts BYK-184; the antifoaming agent A adopts TEGO 825; the defoaming agent B adopts BYK-011; the leveling agent adopts TEGO-410; the substrate wetting agent adopts TEGO-270; the cosolvent adopts propylene glycol butyl ether. The water-based isocyanate curing agent adopts Pasteur XD 803; the diluent solvent is Propylene Glycol Diacetate (PGDA).
The comparative example is a performance parameter of acrylic polyurethane finish paint of a certain commercial manufacturer, the performance indexes of the three examples are compared with those of the comparative example, and the paint is prepared by referring to HG/T5367-2018 part I of paint for rail transit vehicles: the results of the waterborne coatings are shown in the following table.
As is evident from the above table: the water-based acrylic polyurethane finish paint has low VOC, good chemical corrosion resistance, high and low temperature resistance, stain resistance and artificial aging resistance, effectively avoids the problems of foaming, falling, cracking, fading and the like in the using process, and the hardness of the paint film is far higher than that of a comparative example, so that the water-based acrylic polyurethane finish paint is a practical preparation method of the water-based acrylic polyurethane finish paint for rail transit and is suitable for coating various rail transit products.
It should be noted that the above-mentioned embodiments illustrate rather than limit the scope of the invention, which is defined by the appended claims. It will be apparent to those skilled in the art that certain insubstantial modifications and adaptations of the present invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The water-based acrylic polyurethane finish paint for rail transit is characterized by comprising the following components in parts by weight: the components A and B are mixed according to the ratio of 5: 1 by weight ratio; the component A comprises the following raw materials in parts by weight: 50-60 parts of water-based hydroxyl acrylic resin, 20-25 parts of pigment and filler, 0.5-1 part of thickener, 1-1.5 parts of wetting dispersant, 0.1-0.3 part of defoamer, 0.1-0.5 part of flatting agent, 0.1-0.3 part of base material wetting agent, 4-8 parts of cosolvent, 0.1-0.5 part of ultraviolet absorbent and 5-10 parts of deionized water; the component B comprises the following raw materials in parts by weight: 80-90 parts by weight of isocyanate curing agent and 10-20 parts by weight of diluent solvent.
2. The water-based acrylic polyurethane finish paint for rail transit as claimed in claim 1, wherein: the preparation method of the waterborne hydroxyl acrylic resin comprises the following steps:
step one, weighing the following raw materials in parts by weight: 40-50 parts of methyl methacrylate, 10-14 parts of butyl acrylate, 10-15 parts of styrene, 5-10 parts of hydroxyethyl acrylate, 1-2 parts of monomer acrylic acid, 4-8 parts of perfluorooctyl triethoxysilane, 0.5-1 part of composite initiator, 1-2 parts of composite emulsifier, 1-5 parts of neutralizer AMP-953 and 10-20 parts of deionized water; the composite initiator comprises the following components in a mass ratio of 1: 1 potassium persulfate and sodium bisulfite; the composite emulsifier comprises the following components in a mass ratio of 2: 1 sodium dodecylbenzene sulfonate and polyoxyethylene octylphenyl ether;
mixing methyl methacrylate, butyl acrylate, styrene, hydroxyethyl acrylate, monomer acrylic acid and perfluorooctyl triethoxysilane to prepare a monomer mixed solution for later use;
step three, mixing 1/3 parts of deionized water and 1/2 parts of composite emulsifier, stirring and dissolving, slowly dropwise adding a monomer mixed solution, and pre-emulsifying for 1 hour to prepare a pre-emulsion for later use;
step four, adding 1/3 deionized water and 1/2 composite emulsifier into the reaction kettle, stirring and heating to 70 ℃, slowly adding 1/10 pre-emulsion under the stirring state, dispersing for 5min, heating to 90 ℃, adding 1/4 initiator solution, and keeping the temperature for 1 h; slowly dripping 9/10 pre-emulsion and 2/4 initiator solution, controlling the dripping time to be completed within 3h, and keeping the temperature for 1 h; cooling to 75 ℃, dropwise adding 1/4 initiator solution, keeping the temperature for 30min, cooling, and adjusting the pH to 8 by using a neutralizer AMP-30 to obtain a modified hydroxy acrylic emulsion with the solid content of 41-43%; the initiator solution is formed by mixing a composite initiator and 1/3 parts of deionized water.
3. The water-based acrylic polyurethane finish paint for rail transit as claimed in claim 1, wherein: the pigment and filler is one or more of molybdenum chrome red, titanium dioxide, carbon black and precipitated barium sulfate; the thickening agent is one or two of TEGO 3030 or BYK-420; the wetting dispersant is one or more of EFKA4550, TEGO 760W or BYK-184; the defoaming agent is one or two of TEGO 825 or BYK-011; the leveling agent is one or two of TEGO-410 or BYK-381; the substrate wetting agent is one or two of TEGO 270 or BYK-346; the cosolvent is one or two of propylene glycol butyl ether or propylene glycol methyl ether.
4. The water-based acrylic polyurethane finish paint for rail transit as claimed in claim 1, wherein: the preparation method of the ultraviolet absorbent comprises the following steps: uniformly stirring and mixing benzoic acid, water and the EDCI/HOBT mixed solution, stirring at a medium speed for 2h, heating to 60 ℃ under the stirring state, slowly dropwise adding resorcinol for 5h, cooling, crystallizing and filtering to obtain the resorcinol monobenzoate ultraviolet absorbent.
5. The water-based acrylic polyurethane finish paint for rail transit as claimed in claim 3, wherein: 45 parts by weight of benzoic acid, 5 parts by weight of water, 10 parts by weight of EDCI/HOBT mixed solution and 40 parts by weight of resorcinol; the volume ratio of EDCI to HOBT in the EDCI/HOBT mixed solution is 1: 1.
6. the water-based acrylic polyurethane finish paint for rail transit as claimed in claim 1, wherein: the isocyanate curing agent is one or two of Bayer 2593-1 or Pasteur XD 803; the diluent solvent is one or two of propylene glycol methyl ether acetate (PMA) or Propylene Glycol Diacetate (PGDA).
7. The preparation method of the water-based acrylic polyurethane finish paint for rail transit according to any one of claims 1 to 6, characterized by comprising the following steps: the method comprises the following steps:
the preparation method of the component A comprises the following steps:
adding 1/2 deionized water and a wetting dispersant into a dispersion kettle, and dispersing at a low speed for 3-5 minutes; adding 1/3 defoaming agent under stirring; slowly adding 1/2 cosolvent under stirring, stirring at 900r/min for 10min, adding pigment and filler and ultraviolet absorbent under stirring, stirring at 900r/min for 10-20 min, and sanding to 10 μm; adding the water-based hydroxyl acrylic resin into a paint mixing kettle, uniformly stirring at 300r/min, and slowly adding an abrasive material while stirring; slowly adding 2/3 defoamer, flatting agent, base material wetting agent, 1/2 cosolvent and 1/2 deionized water under stirring at 500r/min, slowly adding thickener under stirring, and stirring at 500r/min for 10-15 min; after each inspection item is qualified, filtering and barreling the inspection items by using a vibrating screen 120-mesh net to obtain a component A;
the preparation method of the component B comprises the following steps:
mixing and dispersing the water-based isocyanate curing agent and the diluent solvent in proportion uniformly, and subpackaging according to packaging specifications to obtain a component B;
step three, mixing the component A and the component B according to the ratio of 5: 1, and preparing the water-based acrylic polyurethane finish paint for the rail transit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101265.XA CN111019500A (en) | 2019-11-12 | 2019-11-12 | Water-based acrylic polyurethane finish paint for rail transit and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101265.XA CN111019500A (en) | 2019-11-12 | 2019-11-12 | Water-based acrylic polyurethane finish paint for rail transit and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111019500A true CN111019500A (en) | 2020-04-17 |
Family
ID=70201329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911101265.XA Pending CN111019500A (en) | 2019-11-12 | 2019-11-12 | Water-based acrylic polyurethane finish paint for rail transit and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111019500A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112029378A (en) * | 2020-08-25 | 2020-12-04 | 江苏冠军科技集团股份有限公司 | General protective coating for bottom surface of high-flash-point steel structure |
| CN112608669A (en) * | 2020-12-18 | 2021-04-06 | 株洲华联高科有限责任公司 | Water-based double-component polyurethane-based colored paint for rail transit vehicles and preparation method thereof |
| CN112961590A (en) * | 2021-03-16 | 2021-06-15 | 山东七维新材料有限公司 | Water-based plant-based quick-drying polyurethane finish paint and preparation method thereof |
| CN113321997A (en) * | 2021-05-26 | 2021-08-31 | 青岛爱尔家佳新材料股份有限公司 | Self-cleaning water-based anti-slip coating and preparation method thereof |
| CN113956766A (en) * | 2021-11-03 | 2022-01-21 | 万华化学集团股份有限公司 | Long-activation-period water-based bi-component polyurethane coating and preparation method and application thereof |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02284925A (en) * | 1989-04-26 | 1990-11-22 | Idemitsu Petrochem Co Ltd | Curable phosphazene composition |
| CN102120913A (en) * | 2011-04-12 | 2011-07-13 | 北京虹霞正升涂料有限责任公司 | Water-based polyurethane paint for protecting windmill generator blade |
| CN102746449A (en) * | 2012-07-05 | 2012-10-24 | 广州秀珀化工股份有限公司 | Fluorine-silicon modified hydroxy acrylic resin and preparation method thereof |
| CN103333570A (en) * | 2013-07-26 | 2013-10-02 | 江苏足迹涂料有限公司 | Water-based coating varnish and preparation technology thereof |
| CN103626911A (en) * | 2013-10-14 | 2014-03-12 | 杭州师范大学 | Hydrophobic organic and inorganic acrylate polymer emulsion with high silicon content and preparation method and application thereof |
| CN104194604A (en) * | 2014-09-16 | 2014-12-10 | 江苏天诚车饰科技有限公司 | Two-component waterborne polyurethane automotive topcoat |
| CN104745057A (en) * | 2015-04-17 | 2015-07-01 | 广州杰锐体育设施有限公司 | Dirt-resistant environmental-friendly finishing coat and preparation method thereof |
| CN104961896A (en) * | 2015-07-09 | 2015-10-07 | 上海华谊（集团）公司 | Fluorine polysiloxane-containing antifouling coating additive preparation method |
| CN105153861A (en) * | 2015-09-12 | 2015-12-16 | 宁波申泰干粉建材有限公司 | Self-cleaning water-resistant paint and preparation method thereof |
| CN106800874A (en) * | 2016-12-12 | 2017-06-06 | 河北晨阳工贸集团有限公司 | A kind of aqueous two-component polyurethane finish paint and preparation method thereof |
| CN107142000A (en) * | 2017-07-06 | 2017-09-08 | 浩力森涂料（上海）有限公司 | Aqueous finish paint coating composition for bus height appearance and preparation method thereof |
| CN107974156A (en) * | 2017-11-24 | 2018-05-01 | 黄禹 | A kind of environment-friendly water-based stripping lacquer of automobile using and its preparation method and application |
| CN108165155A (en) * | 2017-12-30 | 2018-06-15 | 西安经建油漆股份有限公司 | A kind of environment-friendly type aqueous double-component polyurethane coating and preparation method thereof |
| CN108517161A (en) * | 2018-04-08 | 2018-09-11 | 西北大学 | Super-hydrophobic oleophobic coating and preparation method thereof, super-hydrophobic oleophobic film |
| CN108864918A (en) * | 2018-07-30 | 2018-11-23 | 立邦涂料（中国）有限公司 | A kind of high-performance water-based two-component finish compositions, Preparation method and use |
| CN110041820A (en) * | 2019-03-12 | 2019-07-23 | 河北晨阳工贸集团有限公司 | A kind of waterborne acrylic polyurethane surface paint and preparation method thereof |
| CN110093100A (en) * | 2019-03-27 | 2019-08-06 | 河北晨阳工贸集团有限公司 | Water-based hydroxyl acrylic acid top-coat and preparation method thereof |
| CN110305575A (en) * | 2019-07-15 | 2019-10-08 | 青岛大学 | A kind of double-component waterborne polyurethane locomotive coating |
-
2019
- 2019-11-12 CN CN201911101265.XA patent/CN111019500A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02284925A (en) * | 1989-04-26 | 1990-11-22 | Idemitsu Petrochem Co Ltd | Curable phosphazene composition |
| CN102120913A (en) * | 2011-04-12 | 2011-07-13 | 北京虹霞正升涂料有限责任公司 | Water-based polyurethane paint for protecting windmill generator blade |
| CN102746449A (en) * | 2012-07-05 | 2012-10-24 | 广州秀珀化工股份有限公司 | Fluorine-silicon modified hydroxy acrylic resin and preparation method thereof |
| CN103333570A (en) * | 2013-07-26 | 2013-10-02 | 江苏足迹涂料有限公司 | Water-based coating varnish and preparation technology thereof |
| CN103626911A (en) * | 2013-10-14 | 2014-03-12 | 杭州师范大学 | Hydrophobic organic and inorganic acrylate polymer emulsion with high silicon content and preparation method and application thereof |
| CN104194604A (en) * | 2014-09-16 | 2014-12-10 | 江苏天诚车饰科技有限公司 | Two-component waterborne polyurethane automotive topcoat |
| CN104745057A (en) * | 2015-04-17 | 2015-07-01 | 广州杰锐体育设施有限公司 | Dirt-resistant environmental-friendly finishing coat and preparation method thereof |
| CN104961896A (en) * | 2015-07-09 | 2015-10-07 | 上海华谊（集团）公司 | Fluorine polysiloxane-containing antifouling coating additive preparation method |
| CN105153861A (en) * | 2015-09-12 | 2015-12-16 | 宁波申泰干粉建材有限公司 | Self-cleaning water-resistant paint and preparation method thereof |
| CN106800874A (en) * | 2016-12-12 | 2017-06-06 | 河北晨阳工贸集团有限公司 | A kind of aqueous two-component polyurethane finish paint and preparation method thereof |
| CN107142000A (en) * | 2017-07-06 | 2017-09-08 | 浩力森涂料（上海）有限公司 | Aqueous finish paint coating composition for bus height appearance and preparation method thereof |
| CN107974156A (en) * | 2017-11-24 | 2018-05-01 | 黄禹 | A kind of environment-friendly water-based stripping lacquer of automobile using and its preparation method and application |
| CN108165155A (en) * | 2017-12-30 | 2018-06-15 | 西安经建油漆股份有限公司 | A kind of environment-friendly type aqueous double-component polyurethane coating and preparation method thereof |
| CN108517161A (en) * | 2018-04-08 | 2018-09-11 | 西北大学 | Super-hydrophobic oleophobic coating and preparation method thereof, super-hydrophobic oleophobic film |
| CN108864918A (en) * | 2018-07-30 | 2018-11-23 | 立邦涂料（中国）有限公司 | A kind of high-performance water-based two-component finish compositions, Preparation method and use |
| CN110041820A (en) * | 2019-03-12 | 2019-07-23 | 河北晨阳工贸集团有限公司 | A kind of waterborne acrylic polyurethane surface paint and preparation method thereof |
| CN110093100A (en) * | 2019-03-27 | 2019-08-06 | 河北晨阳工贸集团有限公司 | Water-based hydroxyl acrylic acid top-coat and preparation method thereof |
| CN110305575A (en) * | 2019-07-15 | 2019-10-08 | 青岛大学 | A kind of double-component waterborne polyurethane locomotive coating |
Non-Patent Citations (3)
| Title |
|---|
| 化工部合成材料研究院金海化工有限公司: "《聚合物防老化实用手册》", 30 June 1999, 化学工业出版社 * |
| 张晓艳等: "含氟聚丙烯酸酯乳液的合成及其疏水性研究", 《中国皮革》 * |
| 朱万强: "《涂料基础教程》", 30 June 2012, 西南交通大学出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112029378A (en) * | 2020-08-25 | 2020-12-04 | 江苏冠军科技集团股份有限公司 | General protective coating for bottom surface of high-flash-point steel structure |
| WO2022041938A1 (en) * | 2020-08-25 | 2022-03-03 | 江苏冠军科技集团股份有限公司 | Universal protective coating for bottom surface of high flash point steel structure |
| CN112608669A (en) * | 2020-12-18 | 2021-04-06 | 株洲华联高科有限责任公司 | Water-based double-component polyurethane-based colored paint for rail transit vehicles and preparation method thereof |
| CN112961590A (en) * | 2021-03-16 | 2021-06-15 | 山东七维新材料有限公司 | Water-based plant-based quick-drying polyurethane finish paint and preparation method thereof |
| CN113321997A (en) * | 2021-05-26 | 2021-08-31 | 青岛爱尔家佳新材料股份有限公司 | Self-cleaning water-based anti-slip coating and preparation method thereof |
| CN113321997B (en) * | 2021-05-26 | 2023-03-21 | 青岛爱尔家佳新材料股份有限公司 | Self-cleaning water-based anti-slip coating and preparation method thereof |
| CN113956766A (en) * | 2021-11-03 | 2022-01-21 | 万华化学集团股份有限公司 | Long-activation-period water-based bi-component polyurethane coating and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111019500A (en) | Water-based acrylic polyurethane finish paint for rail transit and preparation method thereof | |
| CN106010175B (en) | A kind of preparation method and applications of bridge anti-freezing ice type two-component polyurea water-repellent paint | |
| CN101805549B (en) | Wind power generation blade paint and manufacturing method thereof | |
| CN109971330B (en) | Acrylic finish paint for vehicle frame and preparation method thereof | |
| CN103320006B (en) | In supporting for high-speed train surface, coating materials | |
| CN109722157B (en) | Safe water-based two-component high-gloss finish paint and preparation method thereof | |
| CN103756540A (en) | Thermal insulation reflection paint for roof and preparation method of thermal insulation reflection paint | |
| CN102675998A (en) | Water-based fluorocarbon top coat for wind-powered blades and method for preparing water-based fluorocarbon top coat | |
| CN104449334A (en) | Fluorocarbon coating and method for preparing colored aluminum profiles from fluorocarbon coating | |
| CN102863892B (en) | Water-base polyurethane coating for fan blades and preparation method thereof | |
| CN112300703A (en) | Water-based bio-based climbing frame coating and preparation method thereof | |
| CN112625575A (en) | Water-based polyurethane finish paint for rail transit and preparation method thereof | |
| CN109233530B (en) | Super wear-resistant water-based road marking paint and preparation method thereof | |
| CN113004776A (en) | Water-based self-repairing coating and application thereof | |
| CN103555121A (en) | Water-based antiseptic paint for automotive chassis and preparation method thereof | |
| CN112961590A (en) | Water-based plant-based quick-drying polyurethane finish paint and preparation method thereof | |
| CN110964388A (en) | Polyurea modified anti-pollution coating and preparation method and application thereof | |
| CN107384168A (en) | Container high abrasion aqueous finish paint and preparation method thereof | |
| CN110684453B (en) | Water-based high-brightness easy-cleaning porcelainized coating for tunnel and preparation method thereof | |
| CN112552779A (en) | Environment-friendly low-surface-treatment water-based epoxy thick paste acid-alkali-resistant coating and preparation method thereof | |
| CN108129974B (en) | Polysiloxane finish paint for rolling stock and preparation method thereof | |
| CN108485412B (en) | Water-based high-temperature pigment colored paint capable of being used for wet-on-wet floating-free system and preparation method thereof | |
| CN107828323B (en) | Metal-like coating for building exterior wall and preparation method thereof | |
| CN106349831A (en) | Water-based-high-hydroxyl-fluorocarbon anti-corrosion coating and preparation method thereof | |
| CN114891409B (en) | Single-coating water-based ceramic heat-insulating anticorrosive paint for metal material 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: 20200417 |