CN111018362A - Coating processing method of 3D curved surface deep groove panel - Google Patents
Coating processing method of 3D curved surface deep groove panel Download PDFInfo
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- CN111018362A CN111018362A CN201911356287.0A CN201911356287A CN111018362A CN 111018362 A CN111018362 A CN 111018362A CN 201911356287 A CN201911356287 A CN 201911356287A CN 111018362 A CN111018362 A CN 111018362A
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- 238000000576 coating method Methods 0.000 title claims abstract description 75
- 239000011248 coating agent Substances 0.000 title claims abstract description 68
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 84
- 239000012790 adhesive layer Substances 0.000 claims abstract description 51
- 239000000853 adhesive Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 30
- 239000002313 adhesive film Substances 0.000 claims abstract description 24
- 239000007888 film coating Substances 0.000 claims abstract description 22
- 238000009501 film coating Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 25
- 239000011521 glass Substances 0.000 claims description 23
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000005341 toughened glass Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000009504 vacuum film coating Methods 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 2
- 238000001771 vacuum deposition Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004381 surface treatment Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 229920000297 Rayon Polymers 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 210000004877 mucosa Anatomy 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003666 anti-fingerprint Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/003—General methods for coating; Devices therefor for hollow ware, e.g. containers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/10—Glass or silica
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/12—Organic material
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/50—Substrate holders
- C23C14/505—Substrate holders for rotation of the substrates
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a coating processing method of a 3D curved surface deep groove panel, and belongs to the technical field of 3D curved surface panel surface treatment. In order to solve the problem that the existing 3D curved surface deep groove panel is easy to fall off during film coating, the film coating processing method of the 3D curved surface deep groove panel is provided, and comprises the steps that a 3D curved surface deep groove panel row sheet is adhered to a supporting adhesive film, and the supporting adhesive film comprises a supporting layer and an adhesive layer which is expanded by heating energy and is adhered to the whole surface of the back of the corresponding 3D curved surface deep groove panel; loading the 3D curved surface deep groove panel after arranging the sheets onto a rotating frame and putting the rotating frame into a vacuum coating chamber; and performing film coating treatment to form a corresponding film coating layer on the front surface of the 3D curved surface deep groove panel to obtain the film-coated 3D curved surface deep groove panel. The invention has the characteristic that the adhesive layer expands when heated, can expand to adhere to the surface of the whole 3D curved surface panel during film coating, increases the contact area of adhesion, realizes the effect of high adhesive force, and achieves the advantage of avoiding falling.
Description
Technical Field
The invention relates to a coating processing method of a 3D curved surface deep groove panel, and belongs to the technical field of 3D curved surface panel surface treatment.
Background
With the popularization of the current electronic products, the requirements of more and more electronic products such as flat panels, mobile phones, computers, automobile display screens and the like on display panels are higher and higher, and the previous flat 2D panels cannot meet the requirements of people. Various curved glass substrates used in the fields of electronic products such as mobile phones, automobiles, aerospace and the like are also widely applied. Meanwhile, whether the 2D plane panel or the curved panel mostly needs to be coated with a film on the surface to improve the quality of the surface, such as the coating of anti-scratch, waterproof and anti-fingerprint films, but needs to be fixed by an adhesive film layer and fixed on a rotating frame of a coating machine in the coating process, for the coating treatment of the surface of the current conventional planar 2D panel, the whole back surface can be adhered on a supporting adhesive film, and the rotating frame can ensure the adhesion firmness in the rotating process during coating, for example, Chinese patent application (publication No. CN109180016A) discloses a glass panel coating and mounting method, which is characterized in that a glass panel is adhered on the supporting film, then fixed on a back plate of a coating device, and then is subjected to subsequent coating treatment, because the glass panel is a planar 2D glass panel, a common PE film can be adhered, but because the 3D curved deep groove panel has larger curvature, the back has the deep sunken deep trouth of inside of darker, and when it arranged the piece, only 3D curved surface deep trouth panel that corresponds on the limit on both sides contacted with the mucosa, and area of contact is very little, just the problem that drops appears very easily when carrying out the coating like this, also has the characteristics that change backplate shape reaches improvement adhesive force, nevertheless after backplate structural change, its commonality of using reduces, and adopts different backplates to the curved surface panel of equidimension not, is unfavorable for operation and industrial application.
Disclosure of Invention
The invention provides a coating processing method of a 3D curved surface deep groove panel aiming at the problems in the prior art, and solves the problem of how to improve the adhesive force between the curved surface panel and a supporting adhesive film in the coating process so as to prevent the panel from falling off.
The invention aims to realize the following technical scheme, and the method for coating the 3D curved surface deep groove panel is characterized by comprising the following steps of:
A. arranging the 3D curved surface deep groove panel to be coated with a film and adhering the 3D curved surface deep groove panel to a supporting adhesive film, wherein the supporting adhesive film comprises a supporting layer at the bottom layer and an adhesive layer which expands under the heating energy and enables the surface of the supporting adhesive film to be adhered to the whole surface of the back surface of the corresponding 3D curved surface deep groove panel;
B. loading the 3D curved surface deep groove panel after the arrangement of the sheets onto a rotating frame of a coating machine and putting the panel into a vacuum coating chamber of the coating machine;
C. and performing coating treatment under the heating condition according to the coating process to coat a corresponding coating layer on the front surface of the 3D curved surface deep groove panel to obtain the coated 3D curved surface deep groove panel.
According to the invention, the special supporting adhesive film is adopted, certain temperature requirements in the vacuum coating chamber in the coating process are utilized, and the adhesive expanded by heat energy is adopted for adhering the 3D curved glass, so that the adhesive layer can be expanded by heat to be arched upwards so as to adhere to the whole back surface of the whole 3D curved glass, and the whole back surface can be adhered to the adhesive layer below, so that the whole adhesive force is improved, the problem that only two side surfaces of the curved surface are adhered to the adhesive layer during sheet arrangement, the adhesive surface is small and easy to drop is effectively avoided, the high-adhesion effect is realized, and the phenomenon of dropping during coating is avoided. Meanwhile, the bottom of the adhesive layer is provided with a supporting film layer, so that the adhesive layer can also play a good supporting role, and can be effectively loaded on a rotating frame of a film coating machine for coating.
In the above method for processing a 3D curved deep groove panel, preferably, the support layer in step a is made of a polyethylene material; the adhesive layer comprises a UV adhesive layer on the surface layer and an expansion adhesive layer on the middle layer, and the expansion adhesive layer is positioned between the UV adhesive layer and the supporting layer. Through adopting the three-layer structural feature, make the intermediate level have certain expansibility, and the top layer adopts UV viscose layer material, can guarantee the inflation viscose layer inflation in intermediate level when the coating film promptly, make the whole back surface that upwards expands and adhere to whole 3D curved surface glass of UV viscose layer on top layer, realize improving the effect of adhesive force, and simultaneously, the top layer adopts UV viscose layer to have high viscidity, do not draw gluey characteristics, be favorable to getting the piece more easily when getting the piece in the later stage, do not influence 3D curved surface glass's surface quality requirement, and the material on UV viscose layer does not influence the quality of printing ink and coating film yet.
In the coating processing method of the 3D curved surface deep groove panel, the thickness of the supporting layer is preferably 0.1mm-0.4mm, and the UV adhesive layer is made of an acrylic UV adhesive material. Make the supporting layer adopt thinner thickness requirement, be favorable to the mucosa to warp, make to change in the inflation hunch-up when the inflation, thereby better adhesion to 3D curved surface glass's back surface, further effectual assurance adhesion quality, the effect that is difficult for dropping when better realization coating film, and adopt ya keli UV adhesive material, then when guaranteeing to have high cohesive force, have the characteristic of not drawing glue concurrently, 3D curved surface glass's that bonds when avoiding getting the piece on the surface, and can not lead to the fact the influence to printing ink and coating film etc..
In the above method for processing the 3D curved surface deep groove panel, preferably, in the step a, the distance between two adjacent 3D curved surface deep groove panels to be coated is 8.0mm-12mm during the film arrangement. In order to avoid the risk that the adjacent 3D curved surface panels are contacted due to contraction of the mucosa during film coating, a certain distance is reserved, film coating operation can be better guaranteed, and the phenomenon that the adjacent 3D curved surface panels are close to each other to influence processing is avoided.
In the method for coating a 3D curved deep groove panel, preferably, in the coating step in step C, the evacuation and ion source cleaning processes are performed before coating, and the corresponding rotating frame does not rotate before the evacuation and ion source cleaning processes are performed. The effect of achieving sufficient expansion has not been achieved due to the pretreatment of the treatment coating during the evacuation and ion source cleaning. Therefore, the rotary frame is not rotated, and the problem that the glass sheet falls off due to insufficient adhesion in the early stage can be avoided.
In the method for plating a 3D curved deep groove panel, preferably, the temperature of the plating treatment in step C is controlled to 45 to 60 ℃. The coating film can meet certain temperature requirements, the viscose can be guaranteed to be fully expanded, the back surface of the 3D curved glass is arched upwards after expansion, the whole back surface of the 3D curved glass is bonded with the viscose at the bottom, and the effect of high adhesive force is achieved.
In the foregoing method for processing a coating film on a 3D curved deep groove panel, preferably, the coating film treatment in step C specifically includes:
firstly, a silicon dioxide film layer is evaporated on the front surface of the 3D curved surface deep groove panel, then, a waterproof AF film layer is evaporated on the surface of the silicon dioxide film layer, and the rotating frame rotates when the silicon dioxide film layer and the waterproof AF film layer are evaporated. The silicon dioxide film layer is used as a bottom film layer, so that the overall binding power of the coating film is improved, the waterproof AF film layer on the surface is better adhered to the surface, and the high waterproof effect is achieved. Preferably, the thickness of the silicon dioxide film layer is 20-30 μm, and the thickness of the waterproof AF film layer is 15-20 μm.
In the above method for coating a 3D curved deep groove panel, preferably, the 3D curved deep groove panel in step a is selected from an organic glass panel or a tempered glass panel.
In the above method for coating a 3D curved surface deep groove panel, preferably, the maximum depth of the curved surface of the 3D curved surface deep groove panel in the step a is 10 to 15 mm. The special adhesive film with the characteristics is adopted, so that the special adhesive film can expand and protrude upwards, the adhesive can be adhered to the back surface of the whole 3D curved panel, the contact area of the adhesive surface is increased, and the adhesion firmness is ensured. Therefore, the 3D curved surface deep groove panel with large curvature can be subjected to sheet arranging and film coating processing, and the phenomenon of falling can not occur.
In summary, compared with the prior art, the invention has the following advantages:
paste through adopting the viscose that is heated can the inflation and glue 3D curved surface glass, when carrying out the coating film like this, utilize the indoor certain temperature requirement that has of coating film in-process vacuum coating, the viscose layer can be heated inflation and upwards hunch up whole back surface of adhesion to whole 3D curved surface glass, the back is whole can both be glued on following viscose layer, holistic adhesive force has been improved, just so effectually avoided because of the curved surface only two limits glue on the viscose layer when arranging the piece, the effectual problem of 3D curved surface glass easily falling the piece when coating film
Drawings
Fig. 1 is a schematic view of the arrangement of the layers of the supporting mucosa used in the present invention.
Fig. 2 is a schematic structural view of the support adhesive film used in the present invention after thermal expansion during coating.
FIG. 3 is a schematic view of the arrangement of the deep groove panel on the supporting adhesive film during the film coating process of the present invention.
In the figure, 1, 3D curved surface deep groove panel; 2. supporting the mucosa; 21. a support layer; 22. an adhesive layer; 221. an expandable adhesive layer; 222. and a UV adhesive layer.
Detailed Description
The technical solutions of the present invention will be further specifically described below with reference to specific examples and drawings, but the present invention is not limited to these examples.
Example one
Referring to fig. 1 to 3, the method for coating a 3D curved surface deep groove panel specifically comprises:
the 3D curved surface deep groove panel 1 to be coated is arranged to be adhered to the supporting adhesive film 2, namely the arched two side surfaces of the 3D curved surface deep groove panel 1 are adhered to the supporting adhesive film 2, the 3D curved surface deep groove panel 1 is arched, the middle of the 3D curved surface deep groove panel is arched upwards and is not contacted with the supporting adhesive film 2 when the 3D curved surface deep groove panel 1 is arranged, the 3D curved surface deep groove panel 1 can be a PMMA organic glass panel or a toughened glass panel, different curved surface requirements can be selected according to the curved surface shape, the 3D curved surface deep groove panel 1 in the figures 2 and 3 is used for describing drawing schematic diagrams, the curved surface is not limited to the curved surface shown in the figures, and the curved surface glass panel with the radian and the middle of the upwards arched is in the scope of the invention. As shown in fig. 1, the supporting adhesive film 2 comprises a supporting layer 21 at the bottom layer and an adhesive layer 22 which can expand by heating to enable the surface to be adhered to the whole surface of the back surface of the 3D curved deep groove panel 1 at the corresponding position, loading is carried out after the pieces are arranged and adhered, and the 3D curved deep groove panel 1 after the pieces are arranged is loaded and fixed on a rotating frame back plate of a film coating machine and is placed in a vacuum film coating chamber of the film coating machine; and then, performing film coating according to a film coating process to form a corresponding film coating layer on the front surface of the 3D curved surface deep groove panel, wherein the film coating is performed under a heating condition. Therefore, the adhesive layer 22 supporting the adhesive film 1 can be expanded by heating when coating is performed by combining with the graph of fig. 2, so that the expansion is upwards arched and adhered to the back surface of the whole 3D curved surface deep groove panel 1, the adhesive contact area with the size of the whole back surface is increased, the adhesion with large contact area is realized, and the advantage of high adhesive force is realized, thereby effectively solving the problem that the contact surface of the curved surface panel and the adhesive layer is small and easy to drop, and obtaining the coated 3D curved surface deep groove panel after coating is completed.
In a further aspect, the support layer 21 is made of a polyethylene material; the film layer formed by the polyethylene material has better supporting performance, good flexibility and easy deformation, can better avoid the falling-off phenomenon between the adhesive layer 22 and the supporting layer 21, and is beneficial to the upward arching deformation of the subsequent expansion of the adhesive film, wherein the adhesive layer 22 preferably comprises a UV adhesive layer 222 on the surface layer and an expansion adhesive layer 221 on the middle layer, and the expansion adhesive layer 221 is positioned between the UV adhesive layer 222 and the supporting layer 21. By enabling the middle layer to have the characteristic of thermal expansion and adopting the UV adhesive on the surface, the thermal expansion can be effectively realized, the UV adhesive layer on the surface can be upwards arched together, and the UV adhesive layer can be adhered to the back surface of the whole 3D curved surface deep groove panel 1, the contact area of adhesion is effectively increased, the adhesive force is ensured, and the phenomenon of falling off between the UV adhesive layer and the supporting layer is avoided; meanwhile, the UV adhesive has high adhesive force, and after the coating is cooled, the 3D curved surface deep groove panel 1 stuck on the UV adhesive is easy to separate, so that the adhesive can be prevented from being left on the surface due to adhesive pulling, the surface quality is guaranteed, and the ink and the coating are prevented from being influenced. The thickness of the support layer 21 can be 0.1mm-0.4mm, a thin support layer is adopted, the support layer has the characteristics of easy deformation and is convenient for the adhesive layer 22 to expand and arch upwards, the thickness of the support layer 21 is preferably 0.2mm, and furthermore, the UV adhesive layer 222 can be made of an acrylic UV adhesive material. The surface UV adhesive layer 222 is made of an expansible adhesive, and the thickness of the UV adhesive layer 222 is larger than that of the middle layer expansible adhesive layer 221, so that the surface UV adhesive layer 222 is thicker and has better constraint force, the distribution of the expansible force of the middle layer is more reasonable, the quality of the surface UV adhesive layer 222 is ensured, the expansion is not caused, the problems of cracking and the like are solved, and the service life is prolonged.
In a further preferred embodiment, as shown in fig. 3, for the above arrangement, the distance between two adjacent 3D curved deep groove panels 1 to be coated is 8.0mm-12mm, and most preferably 10 mm. That is equivalent to the interval setting between every 3D curved surface deep troughed panel, keep certain interval, be favorable to making to guarantee to have abundant deformation space, avoid when the thermal expansion upwards encircles, lead to two adjacent 3D curved surface deep troughed panels 1 to be close too, guarantee the required quality of later stage coating film. Before the film coating of the film coating process, the vacuum pumping and the ion source cleaning treatment are carried out, and the corresponding rotating frame does not rotate before the vacuum pumping and the ion source cleaning treatment are carried out. The panel is not rotated in the early stage, so that the adhesive force of the 3D curved surface deep groove panel 1 on the surface of the adhesive layer is better kept, and the phenomenon of loosening caused by early rotation is avoided. More specifically, the coating process here specifically includes: firstly, a silicon dioxide film layer 11 is evaporated on the front surface of the 3D curved surface deep groove panel 1, then, a waterproof AF film layer 12 is evaporated on the surface of the silicon dioxide film layer 11, and the revolving rack rotates when the silicon dioxide film layer 11 and the waterproof AF film layer 12 are evaporated, wherein the revolving rack can rotate and revolve simultaneously, so that the uniformity of the coating film is ensured, the coating film condition can adopt the conventional general coating film condition, of course, the temperature is controlled to be 45-60 ℃ when the coating film is preferably performed, the expansion of the middle expansion adhesive layer of the adhesive layer is better ensured, and the middle expansion adhesive layer can be upwards arched and adhered to the back surface of the whole 3D curved surface deep groove panel 1 by thermal expansion, the contact area of the adhesion is effectively increased, and the adhesive has the advantage of high adhesive force. The thickness of the silica film layer 11 is 20 to 30 μm, preferably 25 μm, and the thickness of the waterproof AF film layer 12 is 15 to 20 μm, preferably 18 μm. The 3D curved surface deep groove panel 1 can be selected from an organic glass panel or a toughened glass panel. Furthermore, the maximum depth of the 3D curved surface deep groove panel 1 can be 10-15mm, the maximum depth requirement of the back surface of the curved 3D curved surface deep groove panel 1 is equivalent to the requirement for processing a high-curvature deep groove panel, and the whole back surface which can be bonded is ensured to have high adhesive force due to the fact that the expansion is upwards arched, so that the advantage of being not easy to drop is achieved.
Example two
The embodiment is specifically processed, the 3D curved surface deep groove panel 1 selected is a PMMD organic glass panel, and the specific processing method is as follows:
arranging the 3D curved surface deep groove panel 1 to be coated with the film to ensure that the back surface is adhered to the supporting adhesive film 2, as shown in fig. 3, the edge surfaces corresponding to the two arched sides of the 3D curved deep groove panel 1 are adhered to the supporting adhesive film 2, the supporting adhesive film 2 comprises a supporting layer 21 at the bottom layer and an adhesive layer 22 which can expand by heating to enable the surface to be adhered to the whole surface of the back surface of the corresponding 3D curved surface deep groove panel 1, the supporting layer 21 is made of polyethylene materials and has the thickness of 0.1mm, the adhesive layer 22 comprises a UV adhesive layer (which can be made of YS5005 acrylic adhesive materials) on the surface layer and an expanded adhesive layer on an intermediate layer, the intermediate layer is made of expanded adhesive materials and has the characteristic of thermal expansion, loading is carried out after the arrangement of sheets is adhered, and the 3D curved surface deep groove panel 1 after the arrangement of sheets is loaded and fixed on a back plate of a rotating frame of a film coating machine and placed in a vacuum film coating chamber of the film coating machine; then entering a coating process, carrying out surface ultrasonic cleaning on the 3D curved surface deep groove panel 1 before coating, wherein the rotating frame does not rotate in the cleaning process, then vacuumizing, and vacuumizing a vacuum coating chamber of a coating machine to less than or equal to 2.0x10-5The support is supported, the rotating frame does not rotate during vacuumizing, then, the temperature in the vacuum coating chamber is controlled to be about 55 ℃, the power supply is turned on, the target power is controlled to be about 5kw, argon is introduced to generate plasma, ion source cleaning treatment is carried out, the flow of the argon is 200ssm, cleaning is carried out for 2 minutes, after the ion source cleaning treatment is finished, the argon is turned off, and then the vacuum coating chamber is vacuumized to be less than or equal to 2.0x10-5Opening oxygen and argon to ensure that the oxygen and the argon are introduced, the partial pressure of the oxygen is 0.5Pa and the partial pressure of the argon is 0.2Pa, controlling the temperature to be about 55 ℃ after the air pressure is stable, opening a target source of a silicon dioxide film layer, and performing evaporation to deposit a silicon dioxide film layer on the surface, wherein the thickness is controlled to be 20 mu m; then, closing the target source of the corresponding silicon dioxide film layer, opening the target source of the waterproof AF film layer 12, introducing oxygen and argon, forming a coating film after the temperature is stable, performing evaporation to deposit the waterproof AF film layer 12 on the surface of the silicon dioxide film layer, controlling the thickness to be 15 microns, rotating the rotary frame when evaporating the silicon dioxide film layer 11 and the waterproof AF film layer 12, wherein the rotation of the rotary frame can be performed simultaneously by rotation and revolution to ensure the uniformity of the coating film, closing the corresponding target source for 5 minutes after the coating is finished, closing the corresponding oxygen and argon, reducing the temperature of a vacuum coating chamber to be below 40 ℃, closing the vacuum, emptying, and taking out the corresponding coated 3D curved surface deep slot panel 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.
Claims (10)
1. A coating processing method of a 3D curved surface deep groove panel is characterized by comprising the following steps:
A. arranging a 3D curved surface deep groove panel (1) to be coated with a film, adhering the 3D curved surface deep groove panel to a supporting adhesive film (2), wherein the supporting adhesive film (2) comprises a supporting layer (21) at the bottom layer and an adhesive layer (22) which can expand by heating to enable the surface to be adhered to the whole surface of the back surface of the 3D curved surface deep groove panel;
B. loading the 3D curved surface deep groove panel (1) after the arrangement of the sheets onto a rotating stand of a film coating machine and putting the 3D curved surface deep groove panel into a vacuum film coating chamber of the film coating machine;
C. and performing coating treatment under the heating condition according to the coating process to coat a corresponding coating layer on the front surface of the 3D curved surface deep groove panel to obtain the coated 3D curved surface deep groove panel.
2. The coating processing method of the 3D curved deep groove panel according to claim 1, wherein the supporting layer (21) in step A is made of polyethylene material; the adhesive layer (22) comprises a UV adhesive layer (222) of a surface layer and an expansion adhesive layer (221) of a middle layer, and the expansion adhesive layer (221) is located between the UV adhesive layer (222) and the supporting layer (21).
3. The method for coating a 3D curved deep groove panel according to claim 2, wherein the thickness of the support layer (21) is 0.1mm-0.4mm, and the UV adhesive layer (222) is made of an acrylic UV adhesive material.
4. The method for coating the 3D curved deep groove panel according to claim 1, wherein in the step A, the distance between two adjacent 3D curved deep groove panels (1) to be coated is 8.0mm-12mm during the film arrangement.
5. The method for coating a 3D curved deep groove panel according to any one of claims 1 to 4, wherein the coating step in step C is performed by performing a vacuum pumping and ion source cleaning process before coating, and the corresponding turret does not rotate before performing the vacuum pumping and ion source cleaning process.
6. The method for coating a 3D curved deep groove panel according to any one of claims 1 to 4, wherein the temperature of the coating treatment in step C is controlled to be 45 ℃ to 60 ℃.
7. The method for coating the 3D curved deep groove panel according to any one of claims 1 to 4, wherein the coating treatment in the step C is specifically: firstly, a silicon dioxide film layer (11) is evaporated on the front surface of the 3D curved surface deep groove panel (1), then, a waterproof AF film layer (12) is evaporated on the surface of the silicon dioxide film layer (11), and the rotating frame rotates when the silicon dioxide film layer (11) and the waterproof AF film layer (12) are evaporated.
8. The coating processing method of the 3D curved deep groove panel according to claim 7, wherein the thickness of the silicon dioxide film layer (11) is 20-30 μm, and the thickness of the waterproof AF film layer (12) is 15-20 μm.
9. The coating processing method of the 3D curved deep groove panel according to any one of claims 1 to 4, wherein the 3D curved deep groove panel (1) in the step A is selected from an organic glass panel or a toughened glass panel.
10. The coating processing method of the 3D curved deep groove panel according to any one of claims 1 to 4, wherein the maximum depth of the curved surface of the 3D curved deep groove panel (1) in the step A is 10-15 mm.
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