CN113831805B - Environment-friendly flowerpot and manufacturing process thereof - Google Patents
Environment-friendly flowerpot and manufacturing process thereof Download PDFInfo
- Publication number
- CN113831805B CN113831805B CN202111110664.XA CN202111110664A CN113831805B CN 113831805 B CN113831805 B CN 113831805B CN 202111110664 A CN202111110664 A CN 202111110664A CN 113831805 B CN113831805 B CN 113831805B
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- agent
- environment
- layer
- 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.)
- Active
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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- 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
- C09D5/002—Priming 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
- C09D7/65—Additives macromolecular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to an environment-friendly flowerpot and a manufacturing process thereof, wherein the environment-friendly flowerpot comprises a primer layer, a finish paint layer and a water-based polyurethane coating layer, the components adopted by the environment-friendly flowerpot are all dissolved in water, and are not required to be dissolved by an organic solvent, so that the discharge of VOC (volatile organic compounds) can be effectively reduced, the environment is more environment-friendly, and the problem of weak product level caused by construction with a solvent type coating can be avoided; the flash point of the waterborne polyurethane coating layer is higher, so that safety accidents of products in the production process are reduced, and personal safety and property safety are better guaranteed; in the process of manufacturing the environment-friendly flowerpot, the used coating does not contain volatile substances, does not cause harm to human health, is safer, and has lower manufacturing cost than a ceramic flowerpot; the addition of the surface paint layer enhances the paint film toughness of the product coating, prolongs the outdoor aging life of the paint film, and ensures the smoothness, flatness and attractiveness of the surface of the flowerpot due to the addition of the waterborne polyurethane paint layer.
Description
Technical Field
The invention relates to the technical field of flowerpots and production processes thereof, in particular to an environment-friendly flowerpot and a manufacturing process thereof.
Background
With the rapid development of the coating industry, the application of coating products becomes more and more important and becomes an essential important material for people to produce and live. The main components of the traditional paint often comprise a large amount of resin substances, and a large amount of organic solvents are needed for matched solvents of the traditional paint, wherein the organic solvents such as toluene, xylene, acetone, butanone, ethyl acetate and the like have high toxicity and high volatility and are easy to cause harm to human bodies. In recent years, environmental protection is increasingly emphasized by people, environmental problems are continuously emerged along with the continuous development and progress of society, especially, air pollution becomes a big 'stubborn disease' of environmental pollution in China, along with the increasing strictness of national pollutant emission standards, enterprises can control the emission of various pollutants slowly, Volatile Organic Compounds (VOC) are more and more concerned as one of a plurality of pollutants, and the generation of the VOC is mostly from the coating process of paint.
The paint can be used as a material and can be coated on the surface of an object by different construction processes to form a continuous solid film with firm adhesion and certain strength, and the continuous solid film is commonly used for manufacturing flowerpots. At present, most of paints adopted by flowerpots in the market are oil paints, the painting mode is to spray acrylic plastic primer firstly and then spray oil two-component polyurethane paint or oil UV paint, and the oily two-component polyurethane paint and the oil UV paint are easy to have potential safety hazards in the using process, so that the VOC emission exceeds the standard; and the conveying pipeline and the spray gun are easy to block, so that the construction cost is increased, meanwhile, the drying time of the double-component polyurethane coating is long, the improvement of the production progress of a user is not facilitated, and the yield is low due to too long drying time.
Disclosure of Invention
Accordingly, there is a need to provide an environment-friendly flowerpot and a manufacturing process thereof, which solve the problems in the prior art.
An environment-friendly flowerpot comprises a primer layer, a finish layer and a water-based polyurethane coating layer, wherein the water-based polyurethane coating layer comprises a main agent and a curing agent,
the main agent comprises the following raw material components:
the curing agent comprises the following raw material components:
10-20 parts of waterborne polyurethane;
the primer layer comprises the following raw material components:
the finish paint layer comprises the following raw material components:
in one embodiment, the main agent comprises the following raw material components:
the curing agent comprises the following raw material components:
10-15 parts of waterborne polyurethane;
the primer layer comprises the following raw material components:
the finish paint layer comprises the following raw material components:
in one embodiment, the defoaming agent is a polyether modified polysiloxane defoaming agent, the dispersing agent is polyether modified organic silicon, the leveling agent is polyether polyester modified organic siloxane, the thickening agent is an alkali swelling thickening agent, the antioxidant is an XH-245 antioxidant, and the light stabilizer is an UV-531 light stabilizer.
In one embodiment, the neutralizing agent is one or more of diethylamine, triethylamine, dimethylethanolamine or diethylethanolamine,
the film forming assistant is one or more of propylene glycol, ethylene glycol, dodecyl alcohol ester and pine oil.
In one embodiment, the primer layer is prepared by the following steps: adding the deionized water, the acrylic resin and the pigment into a stirring kettle, and stirring at a rotating speed of 1500rpm/min until the fineness is less than 20 micrometers; and then adding the chlorinated polyacrylic resin and the wetting and leveling agent, and uniformly stirring at a rotating speed of 500rpm/min for later use.
In one embodiment, the preparation method of the finishing paint layer comprises the following steps: and sequentially adding the water-based acrylic emulsion, the deionized water, the anti-sagging resin and the water-based polyester resin into a stirring kettle, stirring for 15min at a rotating speed of 600rpm/min, adding the thickening agent, continuing stirring for 15min, and finally adding the antioxidant, the light stabilizing auxiliary agent and the wetting and leveling agent, and uniformly stirring for later use.
In one embodiment, the preparation method of the aqueous polyurethane coating layer comprises the following steps: firstly, sequentially adding the deionized water, the defoaming agent, the dispersing agent, the flatting agent and the neutralizing agent into a stirring kettle, stirring for 10min at the rotating speed of 800rpm/min, then adding the aqueous hydroxyl acrylic resin, continuously stirring for 15min at the rotating speed of 600rpm/min, then adding the film-forming auxiliary agent, the antioxidant and the thickening agent, stirring for 5min at the rotating speed of 600rpm/min, finally adding the defoaming agent, and stirring for 5min at the rotating speed of 300rpm/min for later use.
The environment-friendly flowerpot comprises a primer layer, a finish paint layer and a water-based polyurethane coating layer, wherein the adhesive force of the primer layer to PP and EVA substrates is increased by applying the chlorinated polypropylene resin; the antioxidant can prevent the thermal oxidation degradation reaction generated in the processing and using processes of the polymer, thereby prolonging the service life and improving the yellowing resistance of the product; the light stabilizer can protect the polymer from photooxidative degradation caused by ultraviolet irradiation, and further prolongs the service life of the product in outdoor use; the thickening agent is added to ensure the moisture retention of the coating, so that the coating effect is better, the coating can be prevented from precipitating, and the storage life is prolonged; the use of the wetting and leveling agent can better reflect the leveling effect and the environmental pollution resistance effect of the product.
Furthermore, most of the adopted components can be dissolved by water, so that the VOC emission is reduced, the environment is protected, and the problem of low product level caused by solvent-based coating construction can be solved; and the flash point of the waterborne polyurethane coating layer is higher, so that the safety accidents of the product in the production process are reduced, and the personal safety and the property safety are better guaranteed.
A manufacturing process of an environment-friendly flowerpot comprises the following steps:
s1, diluting the prepared primer layer and water according to a certain proportion, spraying the diluted primer layer and water on a prefabricated product, and drying to form a plastic primer layer;
s2, diluting the prepared finish paint layer and water according to a certain proportion, spraying the diluted finish paint layer and water on the primer paint layer, and drying to form a water-based glaze layer;
s3, diluting the waterborne polyurethane coating layer and water according to a certain proportion, uniformly spraying the diluted waterborne polyurethane coating layer and water on the waterborne glaze layer, and drying to obtain the environment-friendly flowerpot.
In one embodiment, in step S1, the drying time at normal temperature is: the surface dryness is more than or equal to 1-2h, and the total dryness is more than or equal to 24 h; the drying time is 20-25min under the condition of 80-100 ℃.
In step S2, the drying time at normal temperature is: the surface dryness is more than or equal to 2 hours, and the total dryness is more than or equal to 24 hours; the drying time is 20-30min under the condition of 60-100 ℃.
The drying conditions in step S3 are: leveling and surface drying at 50 deg.C for 5-10min, oven drying at 90 deg.C for 20-30min,
in one embodiment, the spraying thickness of the aqueous polyurethane coating layer is 20-25 μm.
According to the manufacturing process of the environment-friendly flowerpot, the prepared coating can be directly diluted by water, the required viscosity can be prepared according to the process effect, the coating can be directly used, the operation is simple and convenient, and in addition, color pastes with different colors can be added into the coating, so that various products with different color effects can be manufactured, and the product is more attractive; in the manufacturing process, the drying time can be shortened through drying, the production efficiency is improved, and the product quality cannot be influenced due to overlong drying time, so that the defective product rate is increased.
Furthermore, in the construction process, zero discharge of VOC can be achieved, no harm is caused to human health, the environment is protected, and the manufacturing cost is lower than that of the ceramic flowerpot; according to the invention, the finish paint layer increases the paint film toughness of the product coating, and simultaneously prolongs the outdoor aging life of the paint film, and the spraying thickness of the water-based polyurethane coating layer is 20-25 μm, so that the surface of the flowerpot is smooth, flat and attractive.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
The term "prepared from …" as used herein is synonymous with "comprising". The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when a range of "1 to 5" is disclosed, the described range should be interpreted to include the ranges "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a range of values is described herein, unless otherwise specified, the range is intended to include the endpoints thereof, and all integers and fractions within the range.
In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An environment-friendly flowerpot comprises a primer layer, a finish layer and a water-based polyurethane coating layer, wherein the water-based polyurethane coating layer comprises a main agent and a curing agent, and the main agent comprises 10-20 parts of deionized water, 0.1-0.5 part of a defoaming agent, 0.5-1.5 parts of a dispersing agent, 0.1-1.0 part of a leveling agent, 0.1-0.5 part of a neutralizing agent, 0.1-1.0 part of a thickening agent, 60-80 parts of water-based hydroxyl acrylic resin, 1-10 parts of a film-forming assistant and 0.5-1.0 part of an antioxidant assistant; the raw material components of the curing agent comprise 10-20 parts of waterborne polyurethane; the raw material components of the primer layer comprise 20-40 parts of chlorinated polyacrylic resin, 5-10 parts of deionized water, 10-20 parts of acrylic resin, 15-25 parts of pigment and 1-3 parts of wetting and leveling agent; the raw material components of the finish paint layer comprise 40-60 parts of water-based acrylic resin, 5-10 parts of deionized water, 5-10 parts of anti-sagging resin, 5-8 parts of water-based polyester resin, 0.1-0.5 part of antioxidant, 0.5-1.0 part of light stabilizing auxiliary agent, 0.2-0.5 part of thickening agent and 1-3 parts of wetting and leveling agent.
Further, the raw material components of the main agent comprise 10-15 parts of deionized water, 0.3-0.5 part of defoaming agent, 0.5-1.0 part of dispersing agent, 0.3-1.0 part of flatting agent, 0.3-0.5 part of neutralizing agent, 0.3-0.8 part of thickening agent, 60-75 parts of water-based hydroxyl acrylic resin, 3-8 parts of film-forming assistant and 0.5-1.0 part of antioxidant assistant; the raw material components of the curing agent comprise 10-15 parts of waterborne polyurethane; the raw material components of the primer layer comprise 20-35 parts of chlorinated polyacrylic resin, 5-10 parts of deionized water, 10-20 parts of acrylic resin, 18-25 parts of pigment and 1-3 parts of wetting and leveling agent; the raw material components of the finish paint layer comprise 40-55 parts of water-based acrylic resin, 5-10 parts of deionized water, 5-10 parts of anti-sagging resin, 5-8 parts of water-based polyester resin, 0.3-0.5 part of antioxidant, 0.5-0.8 part of light stabilizing auxiliary agent, 0.3-0.5 part of thickening agent and 1-3 parts of wetting and leveling agent.
Further, the defoaming agent is a polyether modified polysiloxane defoaming agent, the dispersing agent is polyether modified organic silicon, the leveling agent is polyether polyester modified organic siloxane, the thickening agent is an alkali swelling thickening agent, the antioxidant is an XH-245 antioxidant, and the light stabilizer is an UV-531 light stabilizer.
Further, the neutralizing agent is one or more of diethylamine, triethylamine, dimethylethanolamine or diethylethanolamine, and the film-forming aid is one or more of propylene glycol, ethylene glycol, dodecyl alcohol ester and pine oil.
In the invention, the application of the chlorinated polypropylene resin increases the adhesion of the primer layer to PP and EVA substrates; the antioxidant adopts XH-245 antioxidant, which can prevent the thermal oxidation degradation reaction generated in the processing and using process of the polymer, thereby improving the service life and the yellowing resistance of the product; the light stabilizer adopts a UV-531 light stabilizer, so that the polymer can be protected from photooxidation degradation caused by ultraviolet irradiation, and the service life of the product in outdoor use is further prolonged; the thickening agent is an alkali swelling thickening agent, and the addition of the alkali swelling thickening agent is beneficial to ensuring the moisture retention of a coating film, so that the coating film has a better effect, the coating can be prevented from precipitating, and the storage life is prolonged; the wetting and leveling agent is polyether polyester modified organic siloxane, and the use of the wetting and leveling agent can better reflect the leveling effect and the environmental pollution resistance effect of the product; and the components can be dissolved by water, and the product is safer and more environment-friendly compared with the product dissolved by an organic solvent.
Further, the preparation method of the primer layer comprises the following steps: adding the deionized water, the acrylic resin and the pigment into a stirring kettle, and stirring at a rotating speed of 1500rpm/min until the fineness is less than 20 micrometers; and then adding the chlorinated polyacrylic resin and the wetting and leveling agent, and uniformly stirring at a rotating speed of 500rpm/min for later use.
Further, the preparation method of the finishing paint layer comprises the following steps: and sequentially adding the water-based acrylic emulsion, the deionized water, the anti-sagging resin and the water-based polyester resin into a stirring kettle, stirring for 15min at a rotating speed of 600rpm/min, adding the thickening agent, continuing stirring for 15min, and finally adding the antioxidant, the light stabilizing auxiliary agent and the wetting and leveling agent, and uniformly stirring for later use.
Further, the preparation method of the water-based polyurethane coating layer comprises the following steps: firstly, sequentially adding the deionized water, the defoaming agent, the dispersing agent, the flatting agent and the neutralizing agent into a stirring kettle, stirring for 10min at the rotating speed of 800rpm/min, then adding the aqueous hydroxyl acrylic resin, continuously stirring for 15min at the rotating speed of 600rpm/min, then adding the film-forming auxiliary agent, the antioxidant and the thickening agent, stirring for 5min at the rotating speed of 600rpm/min, finally adding the defoaming agent, and stirring for 5min at the rotating speed of 300rpm/min for later use.
The environment-friendly flowerpot comprises the primer layer, the finish layer and the water-based polyurethane coating layer, most of the components adopted in the flowerpot can be dissolved by water, so that the discharge of VOC is reduced, the flowerpot is more environment-friendly, and the problem of weak product level caused by construction of solvent-based paint can be avoided; and the flash point of the waterborne polyurethane coating layer is higher, so that the safety accidents of the product in the production process are reduced, and the personal safety and the property safety are better guaranteed.
A manufacturing process of an environment-friendly flowerpot comprises the following steps:
s1, diluting the prepared primer layer and water according to a certain proportion, spraying the diluted primer layer and water on a prefabricated product, and drying to form a plastic primer layer;
s2, diluting the prepared finish paint layer and water according to a certain proportion, spraying the diluted finish paint layer and water on the primer paint layer, and drying to form a water-based glaze layer;
s3, diluting the waterborne polyurethane coating layer and water according to a certain proportion, uniformly spraying the diluted waterborne polyurethane coating layer and water on the waterborne glaze layer, and drying to obtain the environment-friendly flowerpot.
In the manufacturing process, in step S1, the drying time at normal temperature is: the surface dryness is more than or equal to 1-2h, and the total dryness is more than or equal to 24 h; the drying time is 20-25min under the condition of 80-100 ℃.
In step S2, the drying time at normal temperature is: the surface dryness is more than or equal to 2 hours, and the total dryness is more than or equal to 24 hours; the drying time is 20-30min under the condition of 60-100 ℃.
The drying conditions in step S3 are: leveling and surface drying at 50 deg.C for 5-10min, and oven drying at 90 deg.C for 20-30 min.
Furthermore, the spraying thickness of the water-based polyurethane coating layer is 20-25 mu m, so that the smoothness, flatness and attractiveness of the environment-friendly flowerpot are guaranteed, and the process effect is better reflected.
According to the manufacturing process of the environment-friendly flowerpot, the prepared coating can be directly diluted by water, the required viscosity can be prepared according to the process effect, the environment-friendly flowerpot can be directly used, the operation is simple and convenient, and in addition, color pastes with different colors can be added into the coating, so that products with different color effects can be manufactured, and the products are more attractive; in the manufacturing process, the drying time can be shortened through drying, the production efficiency is improved, and the product quality cannot be influenced due to overlong drying time, so that the defective product rate is increased.
Specifically, as shown in table 1, the primer layer, the finish layer, and the aqueous polyurethane coating layer comprise the following components in parts by weight:
TABLE 1
The preparation of examples 1-4 was carried out according to the procedure shown in Table 1:
the preparation method of the primer layer comprises the following steps: adding the deionized water, the acrylic resin and the pigment into a stirring kettle, and stirring at a rotating speed of 1500rpm/min until the fineness is less than 20 micrometers; and then adding the chlorinated polyacrylic resin and the wetting and leveling agent, stirring while adding to prevent demulsification, and continuously stirring uniformly at a rotating speed of 500rpm/min for later use.
The preparation method of the finish paint layer comprises the following steps: and sequentially adding the water-based acrylic emulsion, the deionized water, the anti-sagging resin and the water-based polyester resin into a stirring kettle, stirring for 15min at a rotating speed of 600rpm/min, adding the thickening agent, continuing stirring for 15min, and finally adding the antioxidant, the light stabilizing auxiliary agent and the wetting and leveling agent, and uniformly stirring for later use.
The preparation method of the waterborne polyurethane coating layer comprises the following steps: firstly, sequentially adding the deionized water, the defoaming agent, the dispersing agent, the flatting agent and the neutralizing agent into a stirring kettle, stirring for 10min at the rotating speed of 800rpm/min, then adding the aqueous hydroxyl acrylic resin, continuously stirring for 15min at the rotating speed of 600rpm/min, then adding the film-forming auxiliary agent, the antioxidant and the thickening agent, stirring for 5min at the rotating speed of 600rpm/min, finally adding the defoaming agent, and stirring for 5min at the rotating speed of 300rpm/min for later use.
The manufacturing process of the environment-friendly flowerpot comprises the following steps:
s1, diluting the prepared primer layer and water according to a certain proportion, spraying the diluted primer layer and water on a prefabricated product, and drying to form a plastic primer layer;
s2, diluting the prepared finish paint layer and water according to a certain proportion, spraying the diluted finish paint layer and water on the primer paint layer, and drying to form a water-based glaze layer; the drying time is as follows:
s3, diluting the waterborne polyurethane coating layer and water according to a certain proportion, uniformly spraying the diluted waterborne polyurethane coating layer and water on the waterborne glaze flowing layer, and drying to obtain the environment-friendly flowerpot.
Further, in the manufacturing process, in the step S1, the drying time at normal temperature is: the surface dryness is more than or equal to 1-2h, and the total dryness is more than or equal to 24 h; drying at 80-100 deg.C for 20-25 min; in step S2, the drying time at normal temperature is: the surface dryness is more than or equal to 2 hours, and the total dryness is more than or equal to 24 hours; drying at 60-100 deg.C for 20-30 min; the drying conditions in step S3 are: leveling and surface drying at 50 deg.C for 5-10min, and oven drying at 90 deg.C for 20-30 min.
Example 1
Firstly, diluting the prepared primer layer and water according to the proportion of 1:0.1, spraying the diluted primer layer and water on a prefabricated product, and baking the prefabricated product for 20min at the temperature of 80 ℃ to form a plastic primer layer; and then diluting the waterborne polyurethane coating layer with water according to the proportion of 1:0.1, uniformly spraying the waterborne polyurethane coating layer and the water on the primer layer, leveling and surface drying for 5min at 50 ℃, or baking for 30min at 90 ℃ to obtain the environment-friendly flowerpot.
Example 2
Firstly, diluting the prepared primer layer and water according to the proportion of 1:0.1, spraying the diluted primer layer and water on a prefabricated product, and baking the prefabricated product for 20min at the temperature of 100 ℃ to form a plastic primer layer; then, mixing and diluting the prepared finish paint layer and water according to the required viscosity, spraying the mixture on the primer layer, and baking the mixture for 30min at the temperature of 100 ℃ to form a water-based glaze layer; and finally, diluting the waterborne polyurethane coating layer and water according to the proportion of 1:0.1, uniformly spraying the diluted waterborne polyurethane coating layer and water on the finish paint layer, leveling and surface drying for 10min at 50 ℃, or baking for 20min at 90 ℃ to obtain the environment-friendly flowerpot.
In the manufacturing process of the environment-friendly flowerpot, the construction time and the construction cost of the embodiment 1 are lower than those of the embodiment 2, the primer layer is directly sprayed with the waterborne polyurethane coating layer in the embodiment 1, and color pastes with different colors can be added when the primer layer is prepared, so that products with different colors can be manufactured; in the embodiment 2, color pastes with different colors can be added during the preparation of the finish paint layer to produce imitation porcelain effects with different colors and flow glaze effects with different colors; the top paint layer is contained in the embodiment 2, so that the product is more attractive, the toughness of the paint film of the coating of the product can be improved, and the aging life of the paint film in the open air can be prolonged.
The aqueous polyurethane coating disclosed by the invention is compared with the commercially available oily UV gloss oil in a test way, and the specific data are shown in Table 2:
TABLE 2
As can be seen from Table 2, the waterborne polyurethane coating has significantly lower VOC emission than the oily UV gloss oil, is easy to dry and store, and has no danger; through performance detection, the waterborne polyurethane coating disclosed by the invention is higher in cost performance and can better meet the requirements of customers.
In conclusion, most of the components adopted by the environment-friendly flowerpot can be dissolved by water, so that the discharge of VOC (volatile organic compounds) can be effectively reduced, the environment is protected, and the problem of low product level caused by construction with solvent-based paint can be solved; and the water-based polyurethane coating layer has higher flash point and is nonflammable, thereby being beneficial to reducing safety accidents of products in the production process and better ensuring personal safety and property safety.
Furthermore, in the process of manufacturing the environment-friendly flowerpot, zero emission of VOC can be achieved, no harm is caused to human health, the environment is protected, and the manufacturing cost is lower than that of the ceramic flowerpot; the addition of the finish paint layer enhances the paint film toughness of the product coating and prolongs the outdoor aging life of the paint film, and the spraying thickness of the waterborne polyurethane coating layer is 20-25 mu m, so that the surface of the flowerpot is smooth, flat and attractive.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The environment-friendly flowerpot is characterized by comprising a primer layer, a finish layer and a water-based polyurethane coating layer, wherein the primer layer, the finish layer and the water-based polyurethane coating layer comprise 10-20 parts by weight of deionized water, 0.1-0.5 part by weight of a defoaming agent, 0.5-1.5 parts by weight of a dispersing agent, 0.1-1.0 part by weight of a leveling agent, 0.1-0.5 part by weight of a neutralizing agent, 0.1-1.0 part by weight of a thickening agent, 60-80 parts by weight of water-based hydroxyl acrylic resin, 1-10 parts by weight of a film-forming assistant and 0.5-1.0 part by weight of an antioxidant; the raw material components of the curing agent comprise 10-20 parts of waterborne polyurethane; the raw material components of the primer layer comprise 20-40 parts of chlorinated polyacrylic resin, 5-10 parts of deionized water, 10-20 parts of acrylic resin, 15-25 parts of pigment and 1-3 parts of wetting and leveling agent; the raw material components of the finishing paint layer comprise 40-60 parts of water-based acrylic emulsion, 5-10 parts of deionized water, 5-10 parts of anti-sagging resin, 5-8 parts of water-based polyester resin, 0.1-0.5 part of antioxidant, 0.5-1.0 part of light stabilizer, 0.2-0.5 part of thickener and 1-3 parts of wetting and leveling agent,
the preparation method of the primer layer comprises the following steps: adding the deionized water, the acrylic resin and the pigment into a stirring kettle, and stirring at a rotating speed of 1500rpm until the fineness is less than 20 micrometers; then adding the chlorinated polyacrylic resin and the wetting and leveling agent, uniformly stirring at the rotating speed of 500rpm for later use,
the preparation method of the finish paint layer comprises the following steps: sequentially adding the water-based acrylic emulsion, the deionized water, the anti-sagging resin and the water-based polyester resin into a stirring kettle, stirring for 15min at the rotating speed of 600rpm, adding the thickening agent, continuing stirring for 15min, finally adding the antioxidant, the light stabilizer and the wetting and leveling agent, uniformly stirring for later use,
the preparation method of the waterborne polyurethane coating layer comprises the following steps: firstly, the deionized water, the defoaming agent, the dispersing agent, the flatting agent and the neutralizing agent are sequentially added into a stirring kettle, the stirring is carried out for 10min at the rotating speed of 800rpm, then the aqueous hydroxyl acrylic resin is added, the stirring is continuously carried out for 15min at the rotating speed of 600rpm, then the film-forming auxiliary agent, the antioxidant and the thickening agent are added, the stirring is carried out for 5min at the rotating speed of 600rpm, finally, the defoaming agent is added, the stirring is carried out for 5min at the rotating speed of 300rpm, and the mixture is reserved,
the manufacturing process of the environment-friendly flowerpot comprises the following steps:
s1, diluting the prepared primer layer and water according to a certain proportion, spraying the diluted primer layer and water on a prefabricated product, and drying to form a plastic primer layer;
s2, diluting the prepared finish paint layer and water according to a certain proportion, spraying the diluted finish paint layer and water on the primer paint layer, and drying to form a water-based glaze layer;
s3, diluting the waterborne polyurethane coating layer and water according to a certain proportion, uniformly spraying the diluted waterborne polyurethane coating layer and water on the waterborne glaze layer, and drying to obtain the environment-friendly flowerpot.
2. An environment-friendly flowerpot according to claim 1, wherein the main agent comprises 10 to 15 parts of deionized water, 0.3 to 0.5 part of defoaming agent, 0.5 to 1.0 part of dispersing agent, 0.3 to 1.0 part of leveling agent, 0.3 to 0.5 part of neutralizing agent, 0.3 to 0.8 part of thickening agent, 60 to 75 parts of aqueous hydroxy acrylic resin, 3 to 8 parts of film forming assistant and 0.5 to 1.0 part of antioxidant; the raw material components of the curing agent comprise 10-15 parts of waterborne polyurethane; the raw material components of the primer layer comprise 20-35 parts of chlorinated polyacrylic resin, 5-10 parts of deionized water, 10-20 parts of acrylic resin, 18-25 parts of pigment and 1-3 parts of wetting and leveling agent; the raw material components of the finish paint layer comprise 40-55 parts of water-based acrylic emulsion, 5-10 parts of deionized water, 5-10 parts of anti-sagging resin, 5-8 parts of water-based polyester resin, 0.3-0.5 part of antioxidant, 0.5-0.8 part of light stabilizer, 0.3-0.5 part of thickener and 1-3 parts of wetting and leveling agent.
3. An environment-friendly flowerpot according to claim 2, wherein the defoamer is polyether modified polysiloxane defoamer, the dispersant is polyether modified silicone, the leveling agent is polyether polyester modified organosiloxane, the thickener is an alkali swelling thickener, the antioxidant is XH-245 antioxidant, and the light stabilizer is UV-531 light stabilizer.
4. The environment-friendly flowerpot according to claim 3, wherein the neutralizing agent is one or more of diethylamine, triethylamine, dimethylethanolamine or diethylethanolamine,
the film forming assistant is one or more of propylene glycol, ethylene glycol, dodecyl alcohol ester and pine oil.
5. The eco-friendly flowerpot according to claim 4, wherein in the step S1, the drying time at normal temperature is as follows: the surface dryness is more than or equal to 1-2h, and the total dryness is more than or equal to 24 h; drying at 80-100 deg.C for 20-25min,
in step S2, the drying time at normal temperature is: the surface dryness is more than or equal to 2 hours, and the total dryness is more than or equal to 24 hours; drying at 60-100 deg.C for 20-30min,
the drying conditions in step S3 are: leveling and surface drying at 50 deg.C for 5-10min, and oven drying at 90 deg.C for 20-30 min.
6. An environment-friendly flowerpot according to claim 5, wherein the spraying thickness of the water-based polyurethane coating layer is 20-25 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110664.XA CN113831805B (en) | 2021-09-23 | 2021-09-23 | Environment-friendly flowerpot and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110664.XA CN113831805B (en) | 2021-09-23 | 2021-09-23 | Environment-friendly flowerpot and manufacturing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113831805A CN113831805A (en) | 2021-12-24 |
| CN113831805B true CN113831805B (en) | 2022-08-02 |
Family
ID=78969054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111110664.XA Active CN113831805B (en) | 2021-09-23 | 2021-09-23 | Environment-friendly flowerpot and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113831805B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746756A (en) * | 2012-07-23 | 2012-10-24 | 河北晨阳工贸集团有限公司 | Water-based acrylic polyurethane finish and preparation method thereof |
| CN105505020A (en) * | 2016-01-04 | 2016-04-20 | 惠州圣源恒工艺品有限公司 | Environment-friendly ceramic simulating coating and spraying method thereof |
| CN105694692A (en) * | 2014-11-27 | 2016-06-22 | 合众（佛山）化工有限公司 | A preparing method of waterborne two-component high-temperature resistant super-wear-resistant matte varnish |
| CN105885581A (en) * | 2016-04-13 | 2016-08-24 | 王艺 | Flowerpot having ceramic-like effect and made with spraying technology |
| CN106700785A (en) * | 2017-01-16 | 2017-05-24 | 广东四方威凯新材料有限公司 | Aluminum alloy wheel finishing varnish capable of thick-film spraying and re-coating and preparation method thereof |
| CN108300240A (en) * | 2018-03-02 | 2018-07-20 | 山东七维新材料有限公司 | A kind of aqueous PP paint and preparation method thereof |
| CN111138930A (en) * | 2020-01-20 | 2020-05-12 | 东莞大宝化工制品有限公司 | VOC (volatile organic compound) reducing odor-free automobile paint and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080022898A1 (en) * | 2006-07-31 | 2008-01-31 | Toyota Jidosha Kabushiki Kaisha | Water-borne coating composition for automotive interior substrates |
| CN102391768A (en) * | 2011-08-17 | 2012-03-28 | 湖南中汉高分子材料科技有限公司 | Aqueous-fluorine modified acrylic polyurethane finish paint |
| US10150876B2 (en) * | 2012-01-17 | 2018-12-11 | Yi Wang | Paint coating material for producing an imitation ceramic effect and its application method thereof |
| CN106076780B (en) * | 2016-05-31 | 2019-06-21 | Ppg涂料(天津)有限公司 | 3C1B coating, its coating method and the substrate coated with it |
-
2021
- 2021-09-23 CN CN202111110664.XA patent/CN113831805B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746756A (en) * | 2012-07-23 | 2012-10-24 | 河北晨阳工贸集团有限公司 | Water-based acrylic polyurethane finish and preparation method thereof |
| CN105694692A (en) * | 2014-11-27 | 2016-06-22 | 合众（佛山）化工有限公司 | A preparing method of waterborne two-component high-temperature resistant super-wear-resistant matte varnish |
| CN105505020A (en) * | 2016-01-04 | 2016-04-20 | 惠州圣源恒工艺品有限公司 | Environment-friendly ceramic simulating coating and spraying method thereof |
| CN105885581A (en) * | 2016-04-13 | 2016-08-24 | 王艺 | Flowerpot having ceramic-like effect and made with spraying technology |
| CN106700785A (en) * | 2017-01-16 | 2017-05-24 | 广东四方威凯新材料有限公司 | Aluminum alloy wheel finishing varnish capable of thick-film spraying and re-coating and preparation method thereof |
| CN108300240A (en) * | 2018-03-02 | 2018-07-20 | 山东七维新材料有限公司 | A kind of aqueous PP paint and preparation method thereof |
| CN111138930A (en) * | 2020-01-20 | 2020-05-12 | 东莞大宝化工制品有限公司 | VOC (volatile organic compound) reducing odor-free automobile paint and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113831805A (en) | 2021-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112852273B (en) | Water-based matte scratch-resistant paint and application thereof | |
| CN109468029A (en) | A kind of aqueous coil steel coating finishing coat and preparation method thereof | |
| CN109749611A (en) | A kind of super petrol-resistance water varnish and preparation method thereof | |
| CN106634515A (en) | Double-ingredient wood lacquer and preparation method thereof | |
| CN108795176B (en) | Mirror-effect double-component top-coat paint with thick coating and no miliaria | |
| CN108463522B (en) | Multilayer coating and shaped article comprising the same | |
| CN114426796A (en) | High-weather-resistance coil coating composition and application thereof | |
| CN112646481A (en) | Water-based UV silver paint and preparation method thereof | |
| CN104130648A (en) | Aqueous crackle paint and coating technology thereof | |
| CN114539895A (en) | Water-based PU (polyurethane) coating and coating process | |
| CN114045074A (en) | Water-based pencil draw-coating matte varnish and preparation method thereof | |
| CN108178979B (en) | Quick self-drying type spraying UV paint | |
| CN113831805B (en) | Environment-friendly flowerpot and manufacturing process thereof | |
| CN113817394A (en) | Water-based high-gloss finish paint and preparation method and application thereof | |
| KR20190106565A (en) | Waterborne two-component type polyurethane coating paint and method of forming polyurethane coating film using the same | |
| CN106752541A (en) | A kind of aqueous polyurethane ultraviolet-curing paint and preparation method thereof | |
| KR101044781B1 (en) | Water-soluble paint composition | |
| CN112898896B (en) | Photocurable aqueous coating composition | |
| CN107974184A (en) | A kind of aqueous double-component automotive trim paint and preparation method thereof | |
| CN108912973B (en) | Water-based primer applied to vacuum aluminum plating and preparation method thereof | |
| JP5041661B2 (en) | Undercoat paint composition for plastic substrate and method for coating the same | |
| EP2209851A1 (en) | Autoxidisable coating composition | |
| CN113088181B (en) | Water-based finish paint composition | |
| KR20130081046A (en) | Echo-functional compositions of top-coat paint and the method of producing the same | |
| CN115197597B (en) | Coating and preparation method and application 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |