CN105149177A - Electrostatic spraying and heat transfer printing treatment technology for surfaces of high-density and medium-density fiberboards - Google Patents
Electrostatic spraying and heat transfer printing treatment technology for surfaces of high-density and medium-density fiberboards Download PDFInfo
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- CN105149177A CN105149177A CN201510476837.8A CN201510476837A CN105149177A CN 105149177 A CN105149177 A CN 105149177A CN 201510476837 A CN201510476837 A CN 201510476837A CN 105149177 A CN105149177 A CN 105149177A
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Abstract
The invention discloses an electrostatic spraying and heat transfer printing treatment technology for the surfaces of high-density and medium-density fiberboards. The technology comprises the steps of board pretreatment, electrostatic spraying and heat transfer printing treatment. Powder materials adopted in the technology have good solvent resistance and food pollution resisting performance, the situation that after traditional density boards are brushed with paint, generated organic volatile matter volatilizes and pollutes environment, and the health of people is harmed is avoided, and the technology is especially suitable for treatment of the surfaces of density boards used for furniture manufacturing. In heat transfer printing treatment, a PVC heat transfer printing film with a PVC film as a carrier is adopted, use is convenient, the heat transfer printing effect is good, and the problem of diffusion of printing grain is solved. High-quality heat transfer printing textures can be obtained by controlling temperature and time in the heat transfer printing process, and the PVC film is removed after heat transfer printing is finished. The surface texture attachment of products obtained through manufacturing is form, the textures are real and free of color difference, color changing is not likely to happen, and various decoration needs for the surfaces of the density boards are met.
Description
Technical field
The present invention relates to density board processing technology, specifically a kind of high density MDF surface electrostatic plastic-blasting, hot transfer process technique.
Background technology
High density MDF, for raw material with wood fibre or other string, apply Lauxite, or other synthetic resin a kind of sheet material of being pressed under the condition of heating pressurization, there is lightweight, shock resistance, wear-resisting, corrosion-resistant, coefficient of friction is little, energy-absorbing, the premium properties such as ageing-resistant, fire-retardant, antistatic.Due to the uniform texture of high density MDF, unanimously inside and outside, therefore can carry out the carving processing on surface and be processed into the moulding of various section, being suitable for replacing natural timber to make structural material.
But density board common fault is exactly poor water resistance, after getting wet once density board, its inside just easily expands distortion, therefore usually can paint at its surperficial last layer that is coated with before density board is applied, both play decoration function, and also can isolate the dipping of outside moisture.A large amount of organic volatile can be discharged in existing paint application, in the later stage uses, also can continue volatilization, high risks is caused to environment.Especially density board is widely used in furniture making aspect, if adopt general paint to carry out surface treatment to density board, organic volatile contained in paint can cause great security threat to the daily life of people.
Electrostatic painting process also claims powder coating, is to make electronegative paint particles along the contrary direction directed movement of electric field by high-voltage electrostatic field, and paint particles is adsorbed on a kind of spraying method of surface of the work.Compared to the mode of oil paint coating, pad pasting application, powder coating has the advantage of low cost, environmental protection, is widely used in sheet metal surface painting and loads onto.Different from metallic plate, density board is nonconducting nonmetallic materials, and the operation of carrying out electrostatic spraying on density board surface has certain difficulty, therefore, studies a kind of new high density MDF surface electrostatic plastic-blasting, hot transfer process technique is very important.
Summary of the invention
The object of the present invention is to provide a kind of energy-conserving and environment-protective, the high density MDF surface electrostatic plastic-blasting of easy and simple to handle, hot good transferring effect, hot transfer process technique.
For achieving the above object, the invention provides following technical scheme:
High density MDF surface electrostatic plastic-blasting, hot transfer process technique, comprise the following steps:
(1) sheet material pre-treatment, comprises the following steps:
1) sand milling, first with the polishing of 100-150 object emery cloth, then uses the polishing of 180-200 object emery cloth instead;
2) clear up, by the mode of vacuum cleaning, the dust of the plate surface after sand milling is removed;
3) preheating, is heated to 90-125 DEG C by the sheet material after cleaning, and insulation 5-10min, makes its moisture control at 4-8%;
(2) electrostatic dusting: the mode utilizing electrostatic spraying, is coated in plate surface by dusty material, wherein spray distance is 130-140mm, for powder air pressure 0.052-0.055MPa, electrostatic potential 40-55kV; The coating thickness of dusty material is 70-100 μm, and at 140-150 DEG C of temperature, constant temperature 25-30min, is cooled to room temperature, obtains coating;
(3) hot transfer process: coating surface PVC heat transfer film being attached to sheet material, 140-150 DEG C of baking 50-60min, peels off PVC film afterwards, namely obtains hot transfer printing texture.
As the further scheme of the present invention: in described step (2), described dusty material is made up of mylar 42-50 part, epoxy resin 42-50 part, calcium carbonate 40-68 part, auxiliary agent 4.5-5.6 part, pigment 0-1 part and texture agent 0-1 part according to the raw material of mass parts; The preparation method of described dusty material, comprising: in proportion by mylar, epoxy resin, calcium carbonate, auxiliary agent, pigment and texture agent mixing, stir and obtain mixture; Mixture is placed in after constant temperature stirs 90-120s at 110-115 DEG C of temperature, naturally cools to room temperature; Cooled mixture compressing tablet is obtained sheet stock, then utilizes air to grind and sheet stock is ground to form particle diameter for the powder of 50-100 μm, obtain dusty material.
As the further scheme of the present invention: the number sum of described pigment and texture agent is 0.8-1.5 part.
As the further scheme of the present invention: described mylar is terminal carboxyl polyester resin, described auxiliary agent is one or more the mixture in rilanit special, methyl methacrylate and hydroxyl coupling agent.
As the further scheme of the present invention: described PVC heat transfer film comprises PVC film, release layer, printed layers and transfer printing glue-line, and printed layers is coated in PVC film surface, and transfer printing glue-line is positioned at printed layers upper surface, and transfer printing glue-line is made up of transfer glue; The preparation method of described PVC heat transfer film, comprising: be coated on by release layer in PVC film, printing figure message obtains printed layers, and after brush layer bone dry to be printed, coating transfer printing glue-line, coating post-drying obtains PVC heat transfer film.
As the further scheme of the present invention: described release layer is composed of the following components according to the raw material of mass parts: acrylic resin 40-50 part, microwax 7-8 part, acetic glycosides ester alcohol 4-4.5 part, toluene 70-85 part; Described printed layers is composed of the following components by the raw material of mass parts: isobutanol 55-60 part, disperse dyes 15-18 part, polyvinyl butyral 12-15 part; Described transfer glue is composed of the following components by the raw material of mass parts: vinylacetate 45 parts, polyvinyl alcohol 5 parts, dibutyl phthalate 4 parts and 45 parts, water.
As the further scheme of the present invention: in described step (3), the coating surface that the transfer printing glue-line side of PVC heat transfer film is fitted in sheet material is carried out transfer printing.
Compared with prior art, the invention has the beneficial effects as follows:
1, the preheating procedure in sheet material pre-treatment, both can remove the unnecessary moisture of sheet material, can promote that again the moisture of sheet material inside is to surface migration, thus the electrostatic improving sheet material inhales powder ability.
2, the dusty material of the present invention's employing, there is good solvent resistant, anti-food pollution performance, the organic volatile volatilization contaminated environment produced after avoiding traditional density board paint brush, the health of infringement people, be specially adapted to the surface treatment of the density board manufacturing furniture use.Carry out electrostatic spraying by this dusty material, only need an electrostatic spraying, the coating of required coating thickness can be realized, save the energy with artificial.Unwanted volatile in density board after powder coating is all enclosed in sheet material inside, and simultaneously due to the resistance to dissolubility of dusty material, the steam in environment can not penetrate coating and enter sheet material inside, can reduce sheet material and occur the disadvantages such as cracking, warpage, distortion.
What 3, hot transfer process adopted is take PVC film as the PVC heat transfer film of carrier, easy to use, and hot transferring effect is good, avoids the diffusion problem of printing lines; By controlling temperature and time during hot transfer printing, high-quality hot transfer printing texture can be obtained, after hot transfer printing completes, throw off PVC film; Make the superficial makings adhesion-tight of the product obtained, texture is no color differnece truly, and not easy to change, meets the various decoration demands on density board surface.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, high density MDF surface electrostatic plastic-blasting, hot transfer process technique, comprise the following steps:
(1) sheet material pre-treatment, comprising:
1) sand milling, first with 100 object emery cloth polishings, then uses 180 object emery cloth polishings instead;
2) clear up, by the mode of vacuum cleaning, the dust of the plate surface after sand milling is removed;
3) preheating, is heated to 90 DEG C by the sheet material after cleaning, and insulation 10min, makes its moisture control at 4-8%.
(2) electrostatic dusting: the mode utilizing electrostatic spraying, is coated in plate surface by dusty material, wherein spray distance is 130mm, for powder air pressure 0.052MPa, electrostatic potential 40kV; The coating thickness of dusty material is 70 μm, and at 140 DEG C of temperature, constant temperature 30min, is cooled to room temperature, obtains coating.
Dusty material is made up of terminal carboxyl polyester resin 42 parts, epoxy resin 50 parts, 40 parts, calcium carbonate, auxiliary agent 5.6 parts, pigment 0 part and texture agent 1 part according to the raw material of mass parts, and auxiliary agent is rilanit special.
The preparation method of dusty material comprises: in proportion by mylar, epoxy resin, calcium carbonate, auxiliary agent, pigment and texture agent mixing, stir and obtain mixture; Mixture is placed in after constant temperature stirs 120s at 110 DEG C of temperature, naturally cools to room temperature; Cooled mixture compressing tablet is obtained sheet stock, then utilizes air to grind and sheet stock is ground to form the powder that particle diameter is 50 μm, obtain dusty material.
(3) hot transfer process: coating surface PVC heat transfer film being attached to sheet material, 140 DEG C of baking 60min, peel off PVC film afterwards, namely obtain hot transfer printing texture.
PVC heat transfer film comprises PVC film, release layer, printed layers and transfer printing glue-line, and printed layers is coated in PVC film surface, and transfer printing glue-line is positioned at printed layers upper surface, and transfer printing glue-line is made up of transfer glue; Release layer is composed of the following components according to the raw material of mass parts: acrylic resin 40 parts, microwax 8 parts, acetic glycosides ester alcohol 4 parts, toluene 85 parts; Printed layers is composed of the following components by the raw material of mass parts: isobutanol 55 parts, disperse dyes 18 parts, polyvinyl butyral 12 parts; Transfer glue is composed of the following components by the raw material of mass parts: vinylacetate 45 parts, polyvinyl alcohol 5 parts, dibutyl phthalate 4 parts and 45 parts, water.
The preparation method of PVC heat transfer film, comprising: be coated on by release layer in PVC film, printing figure message obtains printed layers, and after brush layer bone dry to be printed, coating transfer printing glue-line, coating post-drying obtains PVC heat transfer film.The coating surface that the transfer printing glue-line side of obtained PVC heat transfer film is fitted in sheet material is carried out hot transfer process.
Embodiment 2
In the embodiment of the present invention, high density MDF surface electrostatic plastic-blasting, hot transfer process technique, comprise the following steps:
(1) sheet material pre-treatment, comprising:
1) sand milling, first with 150 object emery cloth polishings, then uses 200 object emery cloth polishings instead;
2) clear up, by the mode of vacuum cleaning, the dust of the plate surface after sand milling is removed;
3) preheating, is heated to 125 DEG C by the sheet material after cleaning, and insulation 5min, makes its moisture control at 4-8%.
(2) electrostatic dusting: the mode utilizing electrostatic spraying, is coated in plate surface by dusty material, wherein spray distance is 140mm, for powder air pressure 0.055MPa, electrostatic potential 55kV; The coating thickness of dusty material is 100 μm, and at 150 DEG C of temperature, constant temperature 25min, is cooled to room temperature, obtains coating.
Dusty material is made up of terminal carboxyl polyester resin 50 parts, epoxy resin 42 parts, 68 parts, calcium carbonate, auxiliary agent 4.5 parts, pigment 1 part and texture agent 0 part according to the raw material of mass parts, and auxiliary agent is one or more the mixture in rilanit special, methyl methacrylate and hydroxyl coupling agent.
The preparation method of dusty material comprises: in proportion by mylar, epoxy resin, calcium carbonate, auxiliary agent, pigment and texture agent mixing, stir and obtain mixture; Mixture is placed in after constant temperature stirs 90s at 115 DEG C of temperature, naturally cools to room temperature; Cooled mixture compressing tablet is obtained sheet stock, then utilizes air to grind and sheet stock is ground to form the powder that particle diameter is 100 μm, obtain dusty material.
(3) hot transfer process: coating surface PVC heat transfer film being attached to sheet material, 150 DEG C of baking 50min, peel off PVC film afterwards, namely obtain hot transfer printing texture.
PVC heat transfer film comprises PVC film, release layer, printed layers and transfer printing glue-line, and printed layers is coated in PVC film surface, and transfer printing glue-line is positioned at printed layers upper surface, and transfer printing glue-line is made up of transfer glue; Release layer is composed of the following components according to the raw material of mass parts: acrylic resin 50 parts, microwax 7 parts, acetic glycosides ester alcohol 4.5 parts, toluene 70 parts; Printed layers is composed of the following components by the raw material of mass parts: isobutanol 60 parts, disperse dyes 15 parts, polyvinyl butyral 15 parts; Transfer glue is composed of the following components by the raw material of mass parts: vinylacetate 45 parts, polyvinyl alcohol 5 parts, dibutyl phthalate 4 parts and 45 parts, water.
The preparation method of PVC heat transfer film, comprising: be coated on by release layer in PVC film, printing figure message obtains printed layers, and after brush layer bone dry to be printed, coating transfer printing glue-line, coating post-drying obtains PVC heat transfer film.The coating surface that the transfer printing glue-line side of obtained PVC heat transfer film is fitted in sheet material is carried out hot transfer process.
Embodiment 3
In the embodiment of the present invention, high density MDF surface electrostatic plastic-blasting, hot transfer process technique, comprise the following steps:
(1) sheet material pre-treatment, comprising:
1) sand milling, first with 150 object emery cloth polishings, then uses 180 object emery cloth polishings instead;
2) clear up, by the mode of vacuum cleaning, the dust of the plate surface after sand milling is removed;
3) preheating, is heated to 110 DEG C by the sheet material after cleaning, and insulation 8min, makes its moisture control at 4-8%.
(2) electrostatic dusting: the mode utilizing electrostatic spraying, is coated in plate surface by dusty material, wherein spray distance is 135mm, for powder air pressure 0.053MPa, electrostatic potential 50kV; The coating thickness of dusty material is 850 μm, and at 145 DEG C of temperature, constant temperature 28min, is cooled to room temperature, obtains coating.
Dusty material is made up of terminal carboxyl polyester resin 46 parts, epoxy resin 46 parts, 54 parts, calcium carbonate, auxiliary agent 5.0 parts, pigment 0.8 part and texture agent 0.7 part according to the raw material of mass parts, and auxiliary agent is one or more the mixture in rilanit special, methyl methacrylate and hydroxyl coupling agent.
The preparation method of dusty material comprises: in proportion by mylar, epoxy resin, calcium carbonate, auxiliary agent, pigment and texture agent mixing, stir and obtain mixture; Mixture is placed in after constant temperature stirs 110s at 112 DEG C of temperature, naturally cools to room temperature; Cooled mixture compressing tablet is obtained sheet stock, then utilizes air to grind and sheet stock is ground to form the powder that particle diameter is 80 μm, obtain dusty material.
(3) hot transfer process: coating surface PVC heat transfer film being attached to sheet material, 145 DEG C of baking 55min, peel off PVC film afterwards, namely obtain hot transfer printing texture.
PVC heat transfer film comprises PVC film, release layer, printed layers and transfer printing glue-line, and printed layers is coated in PVC film surface, and transfer printing glue-line is positioned at printed layers upper surface, and transfer printing glue-line is made up of transfer glue; Release layer is composed of the following components according to the raw material of mass parts: acrylic resin 45 parts, microwax 7.5 parts, acetic glycosides ester alcohol 4.3 parts, toluene 78 parts; Printed layers is composed of the following components by the raw material of mass parts: isobutanol 57 parts, disperse dyes 17 parts, polyvinyl butyral 13 parts; Transfer glue is composed of the following components by the raw material of mass parts: vinylacetate 45 parts, polyvinyl alcohol 5 parts, dibutyl phthalate 4 parts and 45 parts, water.
The preparation method of PVC heat transfer film, comprising: be coated on by release layer in PVC film, printing figure message obtains printed layers, and after brush layer bone dry to be printed, coating transfer printing glue-line, coating post-drying obtains PVC heat transfer film.The coating surface that the transfer printing glue-line side of obtained PVC heat transfer film is fitted in sheet material is carried out hot transfer process.
In foregoing invention embodiment, the effect of the pre-heat treatment: 1, the excessive moisture of removing contained by sheet material, 2, allow the moisture surface migration of sheet material inside of being heated, inhale powder ability with the electrostatic strengthening plate surface.
The dusty material that the present invention adopts, there is good solvent resistant, anti-food pollution performance, the organic volatile volatilization contaminated environment produced after avoiding traditional density board paint brush, the health of infringement people, be specially adapted to the surface treatment of the density board manufacturing furniture use.Carry out electrostatic spraying by this dusty material, only need an electrostatic spraying, the coating of required coating thickness can be realized, save the energy with artificial.Unwanted volatile in density board after powder coating is all enclosed in sheet material inside, and simultaneously due to the resistance to dissolubility of dusty material, the steam in environment can not penetrate coating and enter sheet material inside, can reduce sheet material and occur the disadvantages such as cracking, warpage, distortion.
What the hot transfer process in the present invention adopted is take PVC film as the PVC heat transfer film of carrier, easy to use, and hot transferring effect is good, avoids the diffusion problem of printing lines; By controlling temperature and time during hot transfer printing, high-quality hot transfer printing texture can be obtained, after hot transfer printing completes, throw off PVC film; Make the superficial makings adhesion-tight of the product obtained, texture is no color differnece truly, and not easy to change, meets the various decoration demands on density board surface.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. high density MDF surface electrostatic plastic-blasting, hot transfer process technique, is characterized in that, comprise the following steps:
(1) sheet material pre-treatment, comprises the following steps:
1) sand milling, first with the polishing of 100-150 object emery cloth, then uses the polishing of 180-200 object emery cloth instead;
2) clear up, by the mode of vacuum cleaning, the dust of the plate surface after sand milling is removed;
3) preheating, is heated to 90-125 DEG C by the sheet material after cleaning, and insulation 5-10min, makes its moisture control at 4-8%;
(2) electrostatic dusting: the mode utilizing electrostatic spraying, is coated in plate surface by dusty material, wherein spray distance is 130-140mm, for powder air pressure 0.052-0.055MPa, electrostatic potential 40-55kV; The coating thickness of dusty material is 70-100 μm, and at 140-150 DEG C of temperature, constant temperature 25-30min, is cooled to room temperature, obtains coating;
(3) hot transfer process: coating surface PVC heat transfer film being attached to sheet material, 140-150 DEG C of baking 50-60min, peels off PVC film afterwards, namely obtains hot transfer printing texture.
2. high density MDF surface electrostatic plastic-blasting according to claim 1, hot transfer process technique, it is characterized in that, in described step (2), described dusty material is made up of mylar 42-50 part, epoxy resin 42-50 part, calcium carbonate 40-68 part, auxiliary agent 4.5-5.6 part, pigment 0-1 part and texture agent 0-1 part according to the raw material of mass parts; The preparation method of described dusty material, comprising: in proportion by mylar, epoxy resin, calcium carbonate, auxiliary agent, pigment and texture agent mixing, stir and obtain mixture; Mixture is placed in after constant temperature stirs 90-120s at 110-115 DEG C of temperature, naturally cools to room temperature; Cooled mixture compressing tablet is obtained sheet stock, then utilizes air to grind and sheet stock is ground to form particle diameter for the powder of 50-100 μm, obtain dusty material.
3. high density MDF surface electrostatic plastic-blasting according to claim 2, hot transfer process technique, is characterized in that, the number sum of described pigment and texture agent is 0.8-1.5 part.
4. high density MDF surface electrostatic plastic-blasting according to claim 2, hot transfer process technique, it is characterized in that, described mylar is terminal carboxyl polyester resin, and described auxiliary agent is one or more the mixture in rilanit special, methyl methacrylate and hydroxyl coupling agent.
5. high density MDF surface electrostatic plastic-blasting according to claim 1, hot transfer process technique, it is characterized in that, described PVC heat transfer film comprises PVC film, release layer, printed layers and transfer printing glue-line, printed layers is coated in PVC film surface, transfer printing glue-line is positioned at printed layers upper surface, and transfer printing glue-line is made up of transfer glue; The preparation method of described PVC heat transfer film, comprising: be coated on by release layer in PVC film, printing figure message obtains printed layers, and after brush layer bone dry to be printed, coating transfer printing glue-line, coating post-drying obtains PVC heat transfer film.
6. high density MDF surface electrostatic plastic-blasting according to claim 5, hot transfer process technique, it is characterized in that, described release layer is composed of the following components according to the raw material of mass parts: acrylic resin 40-50 part, microwax 7-8 part, acetic glycosides ester alcohol 4-4.5 part, toluene 70-85 part; Described printed layers is composed of the following components by the raw material of mass parts: isobutanol 55-60 part, disperse dyes 15-18 part, polyvinyl butyral 12-15 part; Described transfer glue is composed of the following components by the raw material of mass parts: vinylacetate 45 parts, polyvinyl alcohol 5 parts, dibutyl phthalate 4 parts and 45 parts, water.
7. high density MDF surface electrostatic plastic-blasting according to claim 5, hot transfer process technique, is characterized in that, in described step (3), the coating surface that the transfer printing glue-line side of PVC heat transfer film is fitted in sheet material carried out transfer printing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476837.8A CN105149177A (en) | 2015-08-06 | 2015-08-06 | Electrostatic spraying and heat transfer printing treatment technology for surfaces of high-density and medium-density fiberboards |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510476837.8A CN105149177A (en) | 2015-08-06 | 2015-08-06 | Electrostatic spraying and heat transfer printing treatment technology for surfaces of high-density and medium-density fiberboards |
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| CN201510476837.8A Pending CN105149177A (en) | 2015-08-06 | 2015-08-06 | Electrostatic spraying and heat transfer printing treatment technology for surfaces of high-density and medium-density fiberboards |
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| CN107901648A (en) * | 2017-11-02 | 2018-04-13 | 成都金川田农机制造有限公司 | A kind of thermal transfer processing method |
| CN109016046A (en) * | 2018-08-09 | 2018-12-18 | 东易日盛智能家居科技有限公司 | A kind of furniture processing MDF board processing method |
| CN110027339A (en) * | 2019-05-10 | 2019-07-19 | 广东阿特斯科技有限公司 | A kind of sheet printing technology without spraying forced fluid |
| CN110252616A (en) * | 2019-06-27 | 2019-09-20 | 芜湖鼎诚木门有限公司 | A kind of process of surface treatment of door-plate |
| WO2022016737A1 (en) * | 2020-07-23 | 2022-01-27 | 上海裕洪环保科技有限公司 | Section grinding and post-grinding treatment device for plate or sheet |
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| CN203818901U (en) * | 2013-12-26 | 2014-09-10 | 伍明 | Composite board material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107901648A (en) * | 2017-11-02 | 2018-04-13 | 成都金川田农机制造有限公司 | A kind of thermal transfer processing method |
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| CN110027339A (en) * | 2019-05-10 | 2019-07-19 | 广东阿特斯科技有限公司 | A kind of sheet printing technology without spraying forced fluid |
| CN110252616A (en) * | 2019-06-27 | 2019-09-20 | 芜湖鼎诚木门有限公司 | A kind of process of surface treatment of door-plate |
| WO2022016737A1 (en) * | 2020-07-23 | 2022-01-27 | 上海裕洪环保科技有限公司 | Section grinding and post-grinding treatment device for plate or sheet |
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