CN114381173A - Anticorrosive paint for railway freight train and preparation process thereof - Google Patents
Anticorrosive paint for railway freight train and preparation process thereof Download PDFInfo
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- CN114381173A CN114381173A CN202111282710.4A CN202111282710A CN114381173A CN 114381173 A CN114381173 A CN 114381173A CN 202111282710 A CN202111282710 A CN 202111282710A CN 114381173 A CN114381173 A CN 114381173A
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/04—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09D127/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of coatings, and discloses an anticorrosive coating for a railway freight train and a preparation process thereof, wherein the anticorrosive coating comprises the following components: PVC paste resin a: 10% -20%, PVC paste resin B: 5% -10%, PVC blend resin: 5% -10%, plasticizer: 20% -30%, nano calcium carbonate: 10% -20%, ground calcium carbonate: 10% -20%, adhesion promoter: 1% -2%, diluent: 3% -8%, moisture absorbent: 2% -6%, heat stabilizer: 0.2% -1%, colorant: 0.1 to 0.5 percent. The invention can overcome the severe working condition environment of the railway freight train, and can still ensure that the carriage is not corroded even if the steel plate is deformed during the loading and unloading process without cracking, falling and the like.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to an anticorrosive coating for a railway freight train and a preparation process thereof.
Background
Railway freight plays an extremely important role in national economy in China. The problem of corrosion of the cars is an important factor that directly affects the transport capacity and life of a railroad freight train. At present, the main way of slowing down the corrosion of the car body is to spray an anticorrosive coating on the surface of the car body. But the railway freight car is influenced by the temperature, the humidity, the precipitation and the air in a cross way in the transportation process, so the working condition is worse; meanwhile, the goods loaded and unloaded and transported by the trains in China are mainly coal and metal ores, and the steel plates of the train body are easily deformed in the loading and unloading process, so that the problems of cracking, falling and the like of the conventional coating are caused, and therefore, although the conventional railway freight trains are coated with the anticorrosive coatings in use, most of the train bodies are still seriously corroded.
Disclosure of Invention
The invention aims to solve the problems, and provides an anticorrosive paint for a railway freight train, which can overcome the severe working condition environment of the railway freight train, can not crack or fall off even if a steel plate deforms in the loading and unloading process, and can still ensure that a carriage is not corroded.
In order to achieve the purpose, the invention provides the following technical scheme: an anticorrosive paint for railway freight trains comprises the following components:
PVC paste resin a: 10 to 20 percent
PVC paste resin B: 5 to 10 percent of
PVC blend resin: 5 to 10 percent of
Plasticizer: 20 to 30 percent
Nano calcium carbonate: 10 to 20 percent
Heavy calcium carbonate: 10 to 20 percent
An adhesion promoter: 1 to 2 percent
Diluent agent: 3 to 8 percent of
Moisture absorbing agent: 2 to 6 percent
Thermal stabilizer: 0.2 to 1 percent
Colorant: 0.1 to 0.5 percent.
Preferably, the PVC paste resin A is homopolymerized PVC paste resin prepared by a suspension method or homopolymerized PVC paste resin prepared by an emulsion method.
Preferably, the PVC paste resin B is vinyl chloride and vinyl acetate copolymerized PVC paste resin prepared by a suspension method (or vinyl chloride and vinyl acetate copolymerized PVC paste resin prepared by an emulsion method, wherein the vinyl acetate content in the PVC paste resin B is 4% -5%.
Preferably, the PVC blend resin is homopolymerized PVC blend resin prepared by a suspension method.
Preferably, the plasticizer is phthalate ester, fatty acid ester, epoxy ester and phosphate ester; the adhesion promoter is polyamides and epoxy resins; the diluent is an isoparaffin solvent or a dearomatization solvent; the moisture absorbent is anhydrous calcium oxide or anhydrous calcium chloride; the heat stabilizer is organic tin, lead salt stabilizer, metal soap and active oxygen; the colorant is carbon black.
A preparation process of an anticorrosive paint for a railway freight train comprises the following steps:
(1) a material mixing procedure:
adding the PVC paste resin A, PVC paste resin B, PVC blend resin, half of plasticizer, diluent and adhesion promoter into a stirring container for pre-stirring at the rotation speed of 100 revolutions per minute for 5 minutes; then adding the nano calcium carbonate, the heavy calcium carbonate, the moisture absorbent, the heat stabilizer, the coloring agent and the rest of the plasticizer into a stirring container, stirring for 10min at the rotating speed of 500 revolutions per minute to mix the materials with the previous materials; after mixing, the rotating speed is 1200 r/min, and stirring is carried out for 20 min;
(2) and (3) material grinding:
grinding the fully mixed materials obtained in the step (1) by using a three-roll grinder to further uniformly mix the materials to form a fine, greasy and smooth coating;
(3) a viscosity adjustment step:
sampling the ground material obtained in the step (2), putting the sampled ground material into a thermostat with the temperature of 20 +/-2 ℃ for constant-temperature storage for 24h, then measuring the initial viscosity of the sampled ground material by using a rotary viscometer, and then adjusting the viscosity of the prepared coating to 50 +/-10 Pa & lt & gt for s by a method of supplementing a plasticizer;
(4) a defoaming step:
vacuumizing the coating with the adjusted viscosity in a vacuum stirrer to remove bubbles in the coating, wherein the vacuum degree is-0.09 MPa, the vacuumizing time is 30min, and the rotating speed of the stirrer in the vacuumizing process is 30 r/min;
(5) filtering and canning. The degassed coating was filtered through a sieve and canned.
Preferably, in the step (3), a DV type rotational viscometer, a 7# spindle, a rotation speed of 20r/min and a measurement time of 2min are used for viscosity measurement.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts PVC (polyvinyl chloride) resin as the main body of the coating, and prepares the special anticorrosive coating for the railway freight train with high toughness and high impact resistance to replace the traditional anticorrosive coating which mainly uses epoxy resin and alkyd resin and has poor toughness. The coating can overcome the severe working condition environment of a railway freight train, and can still ensure that a carriage is not corroded even if the steel plate is not cracked, dropped and the like when deformed in the loading and unloading process.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example 1:
homopolymerized PVC paste resin A prepared by a suspension method: 15.5 percent
Vinyl chloride and vinyl acetate copolymerized PVC paste resin B (the vinyl acetate content is 4-5%) prepared by a suspension method: 5.5 percent
PVC blending resin prepared by suspension method: 8.5 percent
Plasticizer dioctyl phthalate: 28 percent of
Nano calcium carbonate: 17 percent of
1200 mesh heavy calcium carbonate: 16.5 percent
Adhesion promoter low molecular polyamide: 1 percent of
Diluent isododecane: 5 percent of
Moisture absorbent calcium oxide: 2 percent of
Heat stabilizer organotin: 0.5 percent
Colorant carbon black: 0.5 percent
(1) A material mixing procedure:
adding homopolymerized PVC paste resin A prepared by a suspension method, vinyl chloride and vinyl acetate copolymerized PVC paste resin B (the content of vinyl acetate is 4-5%) prepared by the suspension method, PVC blending resin prepared by the suspension method, plasticizer dioctyl phthalate (50% of the total plasticizer), diluent isododecane and adhesion promoter low-molecular-weight polyamide into a stirring container for pre-stirring at the rotating speed of 100 revolutions per minute for 5 minutes. Then adding the nano calcium carbonate, the 1200-mesh heavy calcium carbonate, the moisture absorbent calcium oxide, the heat stabilizer organotin, the colorant carbon black and the plasticizer dioctyl phthalate (the rest 50 percent) into a stirring container, and stirring for 10min by using a lower stirring rotating speed (the rotating speed is 500 r/min) so as to mix the materials with the previous materials. After the mixing is finished, stirring at high speed (the rotating speed is 1200 r/min) for 20 min;
(2) and (3) material grinding:
and grinding the fully mixed materials by using a three-roll grinder. The materials are further uniformly mixed to form the fine, greasy and smooth coating;
(3) a viscosity adjustment step:
sampling the ground material, putting the sampled ground material into a thermostat with the temperature of 20 +/-2 ℃ for constant-temperature storage for 24h, then measuring the initial viscosity of the sampled ground material by using a rotational viscometer, and then adjusting the viscosity of the prepared coating to be 50 +/-10 Pa & lt.s by adding a plasticizer;
(4) a defoaming step:
vacuumizing the coating with the adjusted viscosity in a vacuum stirrer to remove bubbles in the coating, wherein the vacuum degree is-0.09 MPa, the vacuumizing time is 30min, and the rotating speed of the stirrer in the vacuumizing process is 30 r/min;
(5) filtering and canning. The degassed coating was filtered through a sieve and canned.
Preferably, in the step (3), a DV type rotational viscometer, a 7# spindle, a rotation speed of 20r/min and a measurement time of 2min are used for viscosity measurement.
Example 2:
emulsion prepared homopolymerized PVC paste resin A: 13 percent of
Vinyl chloride and vinyl acetate copolymerized PVC paste resin B (the vinyl acetate content is 4-5%) prepared by a suspension method: 6 percent of
PVC blending resin prepared by suspension method: 8.5 percent
Plasticizer diisononyl phthalate: 30 percent of
Nano calcium carbonate: 15 percent of
1200 mesh heavy calcium carbonate: 17.5 percent
Adhesion promoter low molecular polyamide: 1 percent of
Diluent isododecane: 5.5 percent
Moisture absorbent calcium oxide: 2.1 percent of
Thermal stabilizer zinc oxide: 1.1 percent
Colorant carbon black: 0.3 percent of
(1) A material mixing procedure:
adding homopolymerized PVC paste resin A prepared by an emulsion method, vinyl chloride and vinyl acetate copolymerized PVC paste resin B (the content of vinyl acetate is 4-5%) prepared by a suspension method, PVC blending resin prepared by the suspension method, plasticizer diisononyl phthalate (50% of all plasticizers), diluent isododecyl alkane and adhesion promoter low-molecular polyamide into a stirring container for pre-stirring at the rotating speed of 100 revolutions per minute for 5 minutes. Then adding the nano calcium carbonate, the 1200-mesh heavy calcium carbonate, the moisture absorbent calcium oxide, the heat stabilizer zinc oxide, the colorant carbon black and the plasticizer diisononyl phthalate (the rest 50 percent) into a stirring container, and stirring for 10min at a lower stirring rotating speed (the rotating speed is 500 r/min) to mix the materials with the previous materials. After the mixing is finished, stirring at high speed (the rotating speed is 1200 r/min) for 20 min;
(2) and (3) material grinding:
and grinding the fully mixed materials by using a three-roll grinder. The materials are further uniformly mixed to form the fine, greasy and smooth coating;
(3) a viscosity adjustment step:
sampling the ground material, putting the sampled ground material into a thermostat with the temperature of 20 +/-2 ℃ for constant-temperature storage for 24h, then measuring the initial viscosity of the sampled ground material by using a rotational viscometer, and then adjusting the viscosity of the prepared coating to be 50 +/-10 Pa & lt.s by adding a plasticizer;
(4) a defoaming step:
vacuumizing the coating with the adjusted viscosity in a vacuum stirrer to remove bubbles in the coating, wherein the vacuum degree is-0.09 MPa, the vacuumizing time is 30min, and the rotating speed of the stirrer in the vacuumizing process is 30 r/min;
(5) filtering and canning. The degassed coating was filtered through a sieve and canned.
Preferably, in the step (3), a DV type rotational viscometer, a 7# spindle, a rotation speed of 20r/min and a measurement time of 2min are used for viscosity measurement.
Through detection, the following technical indexes are achieved in both the example 1 and the example 2:
(1) corrosion resistance: the spraying thickness is 1mm, and the neutral salt spray test is carried out according to the regulation of GB/T1771-2007. The time is 720h, and the test judges that: and (4) observing the foaming condition of the board by visual inspection, removing the adhesive layer, observing the corrosion condition of the covered part, and measuring the maximum corrosion expanding distance at the scribing position.
The corrosion expanding distance of the anticorrosive paint is 1 mm.
(2) Acid resistance: a specimen having a coating thickness of 1mm was immersed in 5% of H2SO4The solution was stored at room temperature for 72 h.
The anticorrosive paint has no phenomena of film expansion, cracking, peeling, pore softening and the like after being stored under the conditions.
(3) Alkali resistance: a sample having a coating thickness of 1mm was immersed in a 1% NaOH solution and stored at room temperature for 72 hours.
The anticorrosive paint has no phenomena of film expansion, cracking, peeling, pore softening and the like after being stored under the conditions.
(4) Stone chip resistance: a test specimen having a coating thickness of 1mm was sprayed with 1kg of angular stones onto the surface of the coating in 20s using a special stone-impact tester under a pressure of 5bar, and repeated 10 times. The test plate after the injection test is subjected to a neutral salt spray test according to the regulation of GB/T1771-2007. The experimental time was 240 h. After the neutral salt spray test, the coating on the test panel was removed and the substrate was visually inspected for blistering, rust, etc. The number of rusty spots of the test panel substrate was recorded.
The anticorrosive paint has no rust spot number after the test.
(5) Toughness: a sample having a coating thickness of 1mm is placed on a mandrel (round bar or tube) having a diameter of 20 mm. And then bending the sample by 180 degrees in 2-3 s around the mandrel.
The anticorrosive paint has no phenomena of cracks, peeling and the like after the test.
(6) Impact resistance: a specimen having a coating thickness of 1mm was subjected to an impact test as specified in GB/T1732-1993, with a weight of 1kg for the falling weight and an impact height of 50 cm. The temperature was measured at normal temperature and-40 ℃ respectively.
The anticorrosive paint has no phenomena of cracks, peeling and the like after the test.
(7) Adhesion force: a sample with a coating thickness of 1mm was cut with a knife into two parallel lines at 5mm intervals, the coating was cut through, and the strip between the two parallel lines was peeled off by hand from one end, and if cohesive failure occurred (when peeling was performed, the coating itself broke, and the remaining coating remained adhered to the test steel plate), the adhesion was judged to be acceptable. If the coating strip is not broken, the whole piece or most of the coating strip is torn off, and no coating residue exists on the steel plate, the adhesive force is considered to be unqualified.
The anticorrosive paint has qualified adhesive force in the test.
(8) Tensile strength: a sample with the thickness of 2mm is cut by an I-type dumbbell cutter in GB/T528-2009, the test is carried out according to the regulation of GB/T528-2009, the moving speed of a clamp of the testing machine is set to be 200mm/min, and the sample gauge length is set to be 25 mm.
The tensile strength of the anticorrosive paint is 1.5-2.3 MPa.
(9) Elongation at break: the test method is the same as the tensile strength.
The elongation at break of the anticorrosive coating is 100-150%.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. The anticorrosive paint for the railway freight trains is characterized by comprising the following components:
PVC paste resin a: 10 to 20 percent
PVC paste resin B: 5 to 10 percent of
PVC blend resin: 5 to 10 percent of
Plasticizer: 20 to 30 percent
Nano calcium carbonate: 10 to 20 percent
Heavy calcium carbonate: 10 to 20 percent
An adhesion promoter: 1 to 2 percent
Diluent agent: 3 to 8 percent of
Moisture absorbing agent: 2 to 6 percent
Thermal stabilizer: 0.2 to 1 percent
Colorant: 0.1 to 0.5 percent.
2. The anticorrosive paint for railway freight trains according to claim 1, wherein the PVC paste resin A is homopolymerized PVC paste resin prepared by a suspension method or homopolymerized PVC paste resin prepared by an emulsion method.
3. The anticorrosive paint for railway freight trains as claimed in claim 1, wherein the PVC paste resin B is a vinyl chloride and vinyl acetate copolymerized PVC paste resin prepared by a suspension method (or a vinyl chloride and vinyl acetate copolymerized PVC paste resin prepared by an emulsion method, and the vinyl acetate content in the PVC paste resin B is 4% -5%.
4. The anticorrosive paint for railway freight trains as claimed in claim 1, wherein the PVC blended resin is homopolymerized PVC blended resin prepared by a suspension method.
5. The anticorrosive paint for railway freight trains according to claim 1, wherein the plasticizer is phthalate ester, fatty acid ester, epoxy ester, phosphate ester; the adhesion promoter is polyamides and epoxy resins; the diluent is an isoparaffin solvent or a dearomatization solvent; the moisture absorbent is anhydrous calcium oxide or anhydrous calcium chloride; the heat stabilizer is organic tin, lead salt stabilizer, metal soap and active oxygen; the colorant is carbon black.
6. A preparation process of an anticorrosive paint for a railway freight train is characterized by comprising the following steps:
(1) a material mixing procedure:
adding the PVC paste resin A, PVC paste resin B, PVC blend resin, half of plasticizer, diluent and adhesion promoter into a stirring container for pre-stirring at the rotation speed of 100 revolutions per minute for 5 minutes; then adding the nano calcium carbonate, the heavy calcium carbonate, the moisture absorbent, the heat stabilizer, the coloring agent and the rest of the plasticizer into a stirring container, stirring for 10min at the rotating speed of 500 revolutions per minute to mix the materials with the previous materials; after mixing, the rotating speed is 1200 r/min, and stirring is carried out for 20 min;
(2) and (3) material grinding:
grinding the fully mixed materials obtained in the step (1) by using a three-roll grinder to further uniformly mix the materials to form a fine, greasy and smooth coating;
(3) a viscosity adjustment step:
sampling the ground material obtained in the step (2), putting the sampled ground material into a thermostat with the temperature of 20 +/-2 ℃ for constant-temperature storage for 24h, then measuring the initial viscosity of the sampled ground material by using a rotary viscometer, and then adjusting the viscosity of the prepared coating to 50 +/-10 Pa & lt & gt for s by a method of supplementing a plasticizer;
(4) a defoaming step:
vacuumizing the coating with the adjusted viscosity in a vacuum stirrer to remove bubbles in the coating, wherein the vacuum degree is-0.09 MPa, the vacuumizing time is 30min, and the rotating speed of the stirrer in the vacuumizing process is 30 r/min;
(5) filtering and canning. The degassed coating was filtered through a sieve and canned.
7. The process for preparing anticorrosive paint for railway freight trains according to claim 6, wherein in the step (3), a DV type rotational viscometer, a 7# rotor, a rotation speed of 20r/min and a measurement time of 2min are adopted for viscosity measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111282710.4A CN114381173A (en) | 2021-11-01 | 2021-11-01 | Anticorrosive paint for railway freight train and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111282710.4A CN114381173A (en) | 2021-11-01 | 2021-11-01 | Anticorrosive paint for railway freight train and preparation process thereof |
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| CN114381173A true CN114381173A (en) | 2022-04-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773751A (en) * | 2022-05-24 | 2022-07-22 | 太原理工大学 | Steel wire mesh plastic dipping liquid and steel wire mesh plastic dipping method |
| CN115851047A (en) * | 2022-12-14 | 2023-03-28 | 广州集泰化工股份有限公司 | Low-specific-gravity stone-impact-resistant coating for aluminum vehicle body and preparation method and application thereof |
| CN116218294A (en) * | 2022-11-16 | 2023-06-06 | 保光(天津)汽车零部件有限公司 | Damping stone-impact-resistant coating and preparation method thereof |
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| CN107474445A (en) * | 2017-10-17 | 2017-12-15 | 安徽大学 | A kind of environment-friendly low-temperature cured pvc plastisol and preparation method thereof |
| CN111040672A (en) * | 2019-12-27 | 2020-04-21 | 保光(天津)汽车零部件有限公司 | Low-temperature curing type PVC sealant and preparation method thereof |
| CN111732856A (en) * | 2019-03-25 | 2020-10-02 | 博尔泰(上海)化工科技发展有限公司 | Multifunctional vehicle-used PVC plastisol composition capable of spraying |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107474445A (en) * | 2017-10-17 | 2017-12-15 | 安徽大学 | A kind of environment-friendly low-temperature cured pvc plastisol and preparation method thereof |
| CN111732856A (en) * | 2019-03-25 | 2020-10-02 | 博尔泰(上海)化工科技发展有限公司 | Multifunctional vehicle-used PVC plastisol composition capable of spraying |
| CN111040672A (en) * | 2019-12-27 | 2020-04-21 | 保光(天津)汽车零部件有限公司 | Low-temperature curing type PVC sealant and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114773751A (en) * | 2022-05-24 | 2022-07-22 | 太原理工大学 | Steel wire mesh plastic dipping liquid and steel wire mesh plastic dipping method |
| CN116218294A (en) * | 2022-11-16 | 2023-06-06 | 保光(天津)汽车零部件有限公司 | Damping stone-impact-resistant coating and preparation method thereof |
| CN115851047A (en) * | 2022-12-14 | 2023-03-28 | 广州集泰化工股份有限公司 | Low-specific-gravity stone-impact-resistant coating for aluminum vehicle body and preparation method and application thereof |
| CN115851047B (en) * | 2022-12-14 | 2023-11-10 | 广州集泰化工股份有限公司 | Low-specific-gravity stone-strike-resistant coating for aluminum vehicle body, and preparation method and application thereof |
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