CN112297307B - Production process of water tank or basin with wear-resistant surface - Google Patents
Production process of water tank or basin with wear-resistant surface Download PDFInfo
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- CN112297307B CN112297307B CN202011059321.0A CN202011059321A CN112297307B CN 112297307 B CN112297307 B CN 112297307B CN 202011059321 A CN202011059321 A CN 202011059321A CN 112297307 B CN112297307 B CN 112297307B
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- water tank
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- temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
- B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
- B29C37/0032—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied upon the mould surface before introducing the moulding compound, e.g. applying a gelcoat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/18—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length in the form of a mat, e.g. sheet moulding compound [SMC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/76—Applying the liquid by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
- B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
- B29C2037/0039—In-mould coating, e.g. by introducing the coating material into the mould after forming the article the coating being applied in powder or particle form
Abstract
The invention relates to a production process of a surface wear-resistant water tank or basin with excellent adhesion capacity, wear resistance, no oil absorption and corrosion resistance, which is characterized in that an electrostatic spray gun is uniformly sprayed on the surface of a water tank or basin steel die at 120-180 ℃, SMC sheet materials or BMC (bulk molding compounds) are placed on the surface of the water tank or basin steel die sprayed with powder, and the water tank or basin is pressed for 3-10 minutes by a large-scale press machine, wherein the surface of the water tank or basin is provided with a layer of high-temperature (PIMC) material. The invention adopts a modern high-tech technology, the whole production process is a process of hot compress spraying and sucking at high temperature and automatic pressing of fed materials, the possibility of pollution is avoided, online control is adopted, the whole production process has no emission and pollution, and the stability and controllability of the product are ensured.
Description
Technical Field
The invention belongs to a manufacturing process of a sink or a basin, and particularly relates to a production process of a surface wear-resistant sink or basin which is excellent in adhesion capacity, wear-resistant, non-oil-absorbing and corrosion-resistant.
Background
A common utensil in the kitchen and bathroom field is a stainless steel sink (e.g., a kitchen sink). At present, stainless steel water tanks have structures of single tank, double tanks, triple tanks and the like, generally, in the manufacturing process of multiple tanks (double tanks or triple tanks) of the water tank, a welding process is generally adopted to weld a single formed water tank into a double tank or triple tank type, the surface of the produced water tank is not wear-resistant and easy to deform, and meanwhile, the produced water tank is not corrosion-resistant, and the integral quality and the service life of the water tank are influenced.
PIMC is the abbreviation of Powder in molded Coating English letter, namely the meaning of in-mold Coating, and can not only make the outer surface of the product compact and beautify, but also be used as a base coat/primer. BMC is an abbreviation of Bulk Molding compound English letter, namely Bulk Molding compound, also called unsaturated polyester Bulk Molding compound, SMC is an abbreviation of Sheet Molding compound English letter, namely Sheet Molding compound, the two materials have excellent electrical property, mechanical property, heat resistance and chemical corrosion resistance, are also suitable for various Molding processes, and are widely applied to the fields of automobile manufacture, railway transportation, building accessories, electromechanical products and the like.
The PIMC is applied to BMC and SMC products, firstly coating powder is sprayed in a heated mould in an electrostatic mode, then the BMC/SMC is placed in the mould, the coating powder is melted after mould closing, and a coating is formed on a product, and the coating is formed at the same time of product forming and is an in-mould coating; whereas conventional coatings require baking or painting after the BMC/SMC article has been processed, after leaving the mold, and are known as mold topcoats.
The traditional mold external coating can be baked or painted after the molding compound is subjected to thermal processing, an independent baking paint production line is needed, the mold external coating needs to be cleaned before painting, and then the mold external coating is subjected to paint spraying and curing procedures; the baking varnish production line needs a large amount of equipment investment, more manpower investment and high power consumption, and easily releases organic gases harmful to the environment, so that the final finished baking varnish layer has poor scraping resistance and frequent friction performance.
Disclosure of Invention
The invention aims to solve the defects that the surface of a sink or a basin produced by the prior art is easy to wear and is not corrosion-resistant, and provides a production process of a surface wear-resistant sink or basin with excellent adhesion capability, wear resistance, no oil absorption and corrosion resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production process of a water tank or a basin with a wear-resistant surface comprises the following steps:
1) preparing SMC sheets or BMC pellets;
2) heating the water tank or the basin steel mold to 120-180 ℃ by a large-scale press;
3) spraying high-temperature powder coating on the surface of the water tank or the basin steel mould;
4) putting the SMC sheet or BMC dough prepared in the step 1), pressing by using a large-scale press and preserving heat for 3-10 min;
5) taking out and cooling;
6) and (5) carrying out post-treatment on the cooled water tank or basin, and checking and packaging to obtain a finished product.
The invention adopts a modern high-tech technology, the whole production process is a process of hot compress spraying and sucking at high temperature and automatic pressing of fed materials, the possibility of pollution is avoided, online control is adopted, the whole production process has no emission and pollution, and the stability and controllability of the product are ensured.
Preferably, in step 3), the high-temperature powder coating is PIMC, the spraying method is electrostatic spraying, and the spraying thickness is 10-85 μm.
Preferably, the pressing pressure of the large-scale pressure machine in the step 4) is 300T-1500T, and the heat preservation temperature is 120-180 DEG C
Preferably, the surface treatment is performed on the sink or basin steel mold before step 2).
Preferably, the surface treatment is: placing the water tank or the basin steel die into a refrigeration house for low-temperature treatment, then spraying the phosphating solution on the surface of the water tank or the basin steel die, calcining at the temperature of 200-300 ℃ for 1-5min, and cooling.
The surface treatment is carried out on the water tank or the basin steel die before the water tank or the basin steel die is placed into a large-scale press, and one of the purposes of the surface treatment is to improve the surface characteristic, promote the cohesiveness between the rest of PIMC powder and enhance the cohesiveness of the water tank or the basin steel die; the water tank or the wash basin after surface treatment has good antibacterial property, is resistant to pollution and has long antibacterial property; firstly, the water tank or the basin steel die is subjected to low-temperature treatment, then the phosphating solution is sprayed, and after the phosphating solution is sprayed to the surface of the low-temperature steel die, a phosphating reaction is performed to form a radial phosphating film, so that the contact area and the bonding strength of the subsequent PIMC powder and the surface of the water tank or the basin steel die are improved.
Preferably, the low-temperature treatment is carried out at the temperature of-4 to 0 ℃ for 1 to 2 hours.
Preferably, the phosphating solution comprises the following components in parts by weight: 20-25 parts of sodium dihydrogen phosphate, 15-18 parts of phosphoric acid, 1-2 parts of sodium nitrate, 3-4 parts of tartaric acid, 1.2-2 parts of citric acid, 2-3 parts of phytic acid, 1.5-3.5 parts of an antibacterial agent and 100 parts of water.
Preferably, the preparation method of the antibacterial agent comprises the following steps: adding 10 parts by weight of methyl methacrylate, 5 parts by weight of chitin and 1 part by weight of nano titanium dioxide into a reaction kettle, protecting by using nitrogen, and reacting under the irradiation of a light source with the wavelength of 500-600nm at the temperature of 50-60 ℃; after the reaction is finished, flushing the polymer for multiple times by using nitrogen under the conditions of 75 ℃ temperature and intermittent vacuum pumping of the obtained reactant in the same reaction kettle, wherein the volume of the nitrogen is 5 reaction kettles each time; then the obtained reactant is washed by deionized water with the volume being 10 times that of the reactant and then soaked for ten minutes, the soaking is repeated for many times, finally the vacuum drying is carried out, the obtained polymer is ground into powder with the diameter being less than 0.3um under the condition of liquid nitrogen, and the powder is stored for later use.
Compared with the prior art, the invention has the following advantages:
the invention adopts a high-temperature electrostatic in-mold powder spraying process method, does not need post-processing, does not have any discharge, has continuous production and automatic machine operation, and can produce the water tank or the basin with stable quality, wear resistance, corrosion resistance, no oil absorption, no deformation, good appearance and excellent physical properties on the premise of ensuring low cost, energy conservation and environmental protection.
Detailed Description
The present invention is specifically described below with reference to examples in order to facilitate understanding of the present invention by those skilled in the art. It should be particularly noted that the examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as non-essential improvements and modifications to the invention may occur to those skilled in the art, which fall within the scope of the invention as defined by the appended claims. Meanwhile, the raw materials mentioned below are not specified in detail and are all commercially available products; the process steps or extraction methods not mentioned in detail are all process steps or extraction methods known to the person skilled in the art.
Example 1
The embodiment provides a production process of a water tank or a basin with a wear-resistant surface, which comprises the following steps:
1) preparing an SMC sheet;
2) heating the water tank steel mould to 180 ℃ by a heating device;
3) spraying a high-temperature powder coating PIMC on the surface of the water tank steel mould in an electrostatic spraying mode, wherein the spraying thickness is 10 mu m;
4) putting the SMC sheet or BMC dough prepared in the step 1), pressing by using a large-scale press, and keeping the temperature for 3min, wherein the pressing pressure is 300T, and the heat preservation temperature is 120 ℃;
5) taking out and cooling;
6) and (5) carrying out post-treatment on the cooled water tank, and checking and packaging to obtain a finished product.
Example 2
The embodiment provides a production process of a water tank or a basin with a wear-resistant surface, which comprises the following steps:
1) preparing a BMC (bulk molding compound) material;
2) heating the basin steel die to 180 ℃ by a large-scale press;
3) spraying a high-temperature powder coating PIMC on the surface of the basin steel die in an electrostatic spraying mode, wherein the spraying thickness is 85 microns;
4) putting the SMC sheet or BMC dough prepared in the step 1), pressing by using a large-scale press, and keeping the temperature for 10min, wherein the pressing pressure is 1500T, and the heat preservation temperature is 120 ℃;
5) taking out and cooling;
6) and (5) carrying out post-treatment on the cooled basin, checking and packaging to obtain a finished product.
Example 3
The embodiment provides a production process of a water tank or a basin with a wear-resistant surface, which comprises the following steps:
1) preparing a BMC (bulk molding compound) material;
2) carrying out surface treatment on the water tank steel die: placing the water tank steel die into a refrigeration house for low-temperature treatment for 1h at-4-0 ℃, then spraying phosphating solution on the surface of the water tank steel die, calcining for 1min at 200 ℃, and cooling; the phosphating solution comprises the following components in parts by weight: 20 parts of sodium dihydrogen phosphate, 15 parts of phosphoric acid, 1 part of sodium nitrate, 4 parts of tartaric acid, 2 parts of citric acid, 3 parts of phytic acid, 3.5 parts of an antibacterial agent and 200 parts of water. The preparation method of the antibacterial agent comprises the following steps: adding 10 parts by weight of methyl methacrylate, 5 parts by weight of chitin and 1 part by weight of nano titanium dioxide into a reaction kettle, protecting by using nitrogen, and reacting under the irradiation of a light source with the wavelength of 500-600nm at the temperature of 50-60 ℃; after the reaction is finished, flushing the polymer for multiple times by using nitrogen under the conditions of 75 ℃ temperature and intermittent vacuum pumping of the obtained reactant in the same reaction kettle, wherein the volume of the nitrogen is 5 reaction kettles each time; then washing the obtained reactant with 10 times of deionized water, soaking for ten minutes, repeating for many times, finally drying in vacuum, grinding the obtained polymer into powder with the diameter less than 0.3um under the condition of liquid nitrogen, and storing for later use;
3) heating the water tank steel mould in the step 2) to 160 ℃ through a large-scale press;
4) spraying a high-temperature powder coating PIMC on the surface of the water tank steel mould in an electrostatic spraying mode, wherein the spraying thickness is 80 mu m;
5) putting the SMC sheet or BMC dough prepared in the step 1), pressing by using a large-scale press, and keeping the temperature for 3-10min, wherein the pressing pressure is 2500T, and the heat preservation temperature is 160 ℃;
6) taking out and cooling;
7) and (5) carrying out post-treatment on the cooled water tank, and checking and packaging to obtain a finished product.
The water tank obtained in example 1 was examined, and the data are shown in Table 1.
TABLE 1 test data
Referring to table 1, the water tank prepared by the present invention has abrasion resistance, corrosion resistance, no oil absorption, no deformation, good appearance and excellent physical properties.
It will be obvious to those skilled in the art that many simple derivations or substitutions can be made without inventive effort without departing from the inventive concept. Therefore, simple modifications to the present invention by those skilled in the art according to the present disclosure should be within the scope of the present invention. The above embodiments are preferred embodiments of the present invention, and all similar processes and equivalent variations to those of the present invention should fall within the scope of the present invention.
Claims (3)
1. The production process of the water tank or the basin with the wear-resistant surface is characterized by comprising the following steps of:
1) preparing SMC sheets or BMC pellets;
2) firstly, carrying out surface treatment on a water tank or a basin steel die, and putting the water tank or the basin steel die into a cold storage for low-temperature treatment at the temperature of-4-0 ℃ for 1-2 h; then spraying the phosphating solution on the surface of a water tank or a basin steel mould, calcining at the temperature of 200-300 ℃ for 1-5min, and cooling; the phosphating solution comprises the following components in parts by weight: 20-25 parts of sodium dihydrogen phosphate, 15-18 parts of phosphoric acid, 1-2 parts of sodium nitrate, 3-4 parts of tartaric acid, 1.2-2 parts of citric acid, 2-3 parts of phytic acid, 1.5-3.5 parts of an antibacterial agent and 100 parts of water as an auxiliary material; the preparation method of the antibacterial agent comprises the following steps: adding 10 parts by weight of methyl methacrylate, 5 parts by weight of chitin and 1 part by weight of nano titanium dioxide into a reaction kettle, protecting by using nitrogen, and reacting under the irradiation of a light source with the wavelength of 500-600nm at the temperature of 50-60 ℃; after the reaction is finished, flushing the polymer for multiple times by using nitrogen under the conditions of 75 ℃ temperature and intermittent vacuum pumping of the obtained reactant in the same reaction kettle, wherein the volume of the nitrogen is 5 reaction kettles each time; then washing the obtained reactant with 10 times of deionized water, soaking for ten minutes, repeating for many times, finally drying in vacuum, grinding the obtained polymer into powder with the diameter less than 0.3um under the condition of liquid nitrogen, and storing for later use; finally, heating the water tank or the basin steel mold to 120-180 ℃ by heating equipment;
3) uniformly spraying high-temperature powder coating on the surface of the water tank or the basin steel mould;
4) putting the SMC sheet or BMC dough prepared in the step 1), pressing by using a large-scale press and preserving heat for 3-10 min;
5) taking out and cooling;
6) and (5) carrying out post-treatment on the cooled water tank or basin, and checking and packaging to obtain a finished product.
2. The process for producing a sink or basin with a wear-resistant surface as claimed in claim 1, wherein in step 3), the high-temperature powder coating is PIMC, the spraying method is electrostatic spraying, and the spraying thickness is 10-85 μm.
3. The process for producing a water tank or a basin with a wear-resistant surface as claimed in claim 1, wherein the pressing pressure of the large press in step 4) is 300T-2500T, and the temperature is 120-180 ℃.
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| CN202011059321.0A CN112297307B (en) | 2020-09-30 | 2020-09-30 | Production process of water tank or basin with wear-resistant surface |
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| CN202011059321.0A CN112297307B (en) | 2020-09-30 | 2020-09-30 | Production process of water tank or basin with wear-resistant surface |
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| CN112297307B true CN112297307B (en) | 2022-04-08 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1160647A (en) * | 1997-08-27 | 1999-03-02 | Mitsubishi Rayon Co Ltd | Acrylic premix, acrylic smc or bmc and preparation of acrylic artificial marble |
| CN106239881A (en) * | 2016-08-29 | 2016-12-21 | 河南东海复合材料有限公司 | A kind of electric motor car ceiling processing technology |
| CN110397126A (en) * | 2019-07-16 | 2019-11-01 | 凌贯 | A kind of enamel nano-antibacterial sink and its production technology |
| CN110280466B (en) * | 2019-07-24 | 2020-03-17 | 河源市益豪塑胶五金电子制品有限公司 | Electrostatic spraying process of aluminum alloy section |
| CN110508464A (en) * | 2019-07-31 | 2019-11-29 | 台山市誉美厨卫制品有限公司 | A kind of preparation process of graphene nano antibacterial sink |
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