CN117698153A - Realization mode of surface molding lamination ultrathin foaming PU of 3D modeling composite material - Google Patents
Realization mode of surface molding lamination ultrathin foaming PU of 3D modeling composite material Download PDFInfo
- Publication number
- CN117698153A CN117698153A CN202311570389.9A CN202311570389A CN117698153A CN 117698153 A CN117698153 A CN 117698153A CN 202311570389 A CN202311570389 A CN 202311570389A CN 117698153 A CN117698153 A CN 117698153A
- Authority
- CN
- China
- Prior art keywords
- composite material
- foaming
- layer
- ultrathin
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 238000005187 foaming Methods 0.000 title claims abstract description 38
- 238000000465 moulding Methods 0.000 title claims abstract description 17
- 238000003475 lamination Methods 0.000 title claims description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 38
- 239000010410 layer Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000002344 surface layer Substances 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 238000010023 transfer printing Methods 0.000 claims abstract description 11
- 238000010030 laminating Methods 0.000 claims abstract description 9
- 238000007639 printing Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 5
- 229920002635 polyurethane Polymers 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
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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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
Abstract
The invention relates to the technical field of 3D (three-dimensional) molding of a foaming PU film and a composite material, in particular to an implementation mode of surface molding and laminating of an ultrathin foaming PU of a 3D molding composite material. The technical proposal comprises: the PU film comprises a surface layer and a foaming layer, wherein aqueous polyurethane is coated on one side of the surface layer through a dry process, so that the surface of the surface layer is treated, the composite is subjected to UV transfer printing texture, the UV transfer printing layer is subjected to coating treatment, the coated composite is subjected to ink printing, and finally an adhesive on one side of the foaming PU film is adhered to an adhesive on one side of the composite, and the composite is molded through a 3D molding process. The invention has simple integral process, realizes the effects of product thinning and soft touch on the surface by combining the ultrathin foaming PU film with the composite material for 3D molding, and can be applied to 3C products, such as mobile phones, flat plates, automobiles and other living multiple fields.
Description
Technical Field
The invention relates to the technical field of 3D (three-dimensional) molding of a foaming PU film and a composite material, in particular to an implementation mode of surface molding and laminating of an ultrathin foaming PU of a 3D molding composite material.
Background
The existing artificial leather has better hand feeling and performance by coating the PU foaming layer on the surface of the base material in a dry method or a wet method, but the whole thickness is limited in the 3C field, and the PU foaming layer is required to be within 0.15 mm. Therefore, we especially propose an implementation mode of forming and laminating ultrathin foaming PU on the surface of the 3D modeling composite material.
Disclosure of Invention
The invention aims at solving the problems in the background technology and provides an implementation mode for forming and laminating ultrathin foaming PU on the surface of a 3D modeling composite material.
The technical scheme of the invention is as follows: the utility model provides an implementation mode of ultra-thin foaming PU of 3D molding combined material surface shaping laminating, includes PU membrane and combined material, the PU membrane includes top layer and foaming layer, includes following step:
(1) firstly, coating waterborne polyurethane on one side of a surface layer through a dry process, so that the surface of the surface layer is treated, then bonding the surface layer and a foaming layer through glue, and coating an adhesive on the other side of the foaming layer;
(2) then carrying out UV transfer printing texture on the composite material, carrying out coating treatment on the UV transfer printing layer,
printing ink on the coated composite material, and coating an adhesive on a printing layer of the composite material;
(3) and finally, bonding the adhesive on one side of the foaming PU film with the adhesive on one side of the composite material, forming by a 3D forming process, and carrying out appearance processing on the formed product according to operation requirements, thereby obtaining a finished product.
Preferably, the composite material is polycarbonate, polymethyl methacrylate, polyester, glass fiber or the like, and the composite material is selected according to actual requirements.
Preferably, the composite material coating layer is selected according to actual process requirements.
Preferably, the UV transfer layer is selected according to actual process requirements.
Preferably, the composite material can be designed in a lamination manner according to actual process requirements.
Preferably, the contour machining can be performed by removing excessive leftover materials of the edge by using laser or numerical control machining to form the required contour for application in the relative design.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention has simple integral process, realizes the effects of product thinning and soft touch on the surface by combining the ultrathin foaming PU film with the composite material for 3D molding, and can be applied to 3C products, such as mobile phones, flat plates, automobiles and other living multiple fields.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of a surface stack according to the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Examples
As shown in fig. 1-2, the implementation mode of forming and laminating ultrathin foaming PU on the surface of a 3D modeling composite material provided by the invention comprises a PU film and a composite material, wherein the PU film comprises a surface layer, a foaming layer and a bottom fabric, the composite material is polycarbonate, polymethyl methacrylate, polyester or glass fiber, and the like, and the composite material is selected according to actual requirements and comprises the following steps:
(1) firstly, coating waterborne polyurethane on one side of a surface layer through a dry process, so that the surface layer is subjected to surface treatment, then bonding the surface layer and a foaming layer through glue, so that an ultrathin foaming PU film is formed, and then coating an adhesive on the other side of the foaming layer, so that the subsequent use is facilitated;
(2) then, carrying out UV transfer printing on the composite material, selecting a UV transfer printing layer according to actual process requirements, carrying out coating treatment on the UV transfer printing layer, selecting a composite material coating layer according to actual process requirements, carrying out ink printing on the coated composite material, coating an adhesive on a printing layer of the composite material, and carrying out lamination design on the composite material according to actual process requirements;
(3) and finally, bonding the adhesive on one side of the foaming PU film with the adhesive on one side of the composite material, forming through a 3D forming process, and carrying out appearance processing on the formed product according to operation requirements, wherein the appearance processing can use laser or numerical control processing to remove redundant leftover materials on the edge to process the required appearance and apply the appearance to relative design, so that a finished product is produced.
In the embodiment, firstly, waterborne polyurethane is coated on one side of a surface layer through a dry process, so that the surface layer is coated, then the surface layer and a foaming layer are bonded through glue, and then the other side of the foaming layer is coated with an adhesive, so that an ultrathin foaming PU film is formed, then the composite material is subjected to UV transfer printing texture, then the UV transfer printing layer is subjected to coating treatment, the coated composite material is subjected to printing ink, the printing layer of the composite material is coated with the adhesive, finally the adhesive on one side of the foaming PU film is bonded with the adhesive on one side of the composite material, the 3D molding process is used for molding, and finally the molded product is subjected to contour machining according to operation requirements, so that a finished product is produced.
The above-described embodiment is only one preferred embodiment of the present invention, and many alternative modifications and combinations of the above-described embodiments can be made by those skilled in the art based on the technical solutions of the present invention and the related teachings of the above-described embodiments.
Claims (6)
1. The utility model provides an implementation mode of ultra-thin foaming PU of 3D molding combined material surface shaping laminating, includes PU membrane and combined material, its characterized in that: the PU film comprises a surface layer and a foaming layer, and comprises the following steps:
(1) firstly, coating waterborne polyurethane on one side of a surface layer through a dry process, so that the surface of the surface layer is treated, then bonding the surface layer and a foaming layer through glue, and coating an adhesive on the other side of the foaming layer;
(2) then carrying out UV transfer printing on the composite material, carrying out coating treatment on the UV transfer printing layer, carrying out ink printing on the coated composite material, and coating an adhesive on a printing layer of the composite material;
(3) and finally, bonding the adhesive on one side of the foaming PU film with the adhesive on one side of the composite material, forming by a 3D forming process, and carrying out appearance processing on the formed product according to operation requirements, thereby obtaining a finished product.
2. The implementation manner of the 3D modeling composite material surface molding lamination ultrathin foaming PU according to claim 1, wherein the composite material is polycarbonate, polymethyl methacrylate, polyester, glass fiber or the like, and the composite material is selected according to actual requirements.
3. The implementation manner of forming and laminating ultrathin foaming PU on the surface of a 3D modeling composite material according to claim 1, wherein the composite material coating layer is selected according to actual process requirements.
4. The implementation manner of the 3D modeling composite material surface molding lamination ultrathin foaming PU according to claim 1, wherein the UV transfer layer is selected according to actual process requirements.
5. The implementation manner of forming and laminating ultrathin foaming PU on the surface of a 3D modeling composite material according to claim 1, wherein the composite material can be subjected to lamination design according to actual process requirements.
6. The method for forming and attaching the 3D modeling composite material surface to the ultra-thin foamed PU according to claim 1, wherein the shape processing can be used for processing the required shape by removing the excessive leftover materials of the edge by using laser or numerical control processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311570389.9A CN117698153A (en) | 2023-11-23 | 2023-11-23 | Realization mode of surface molding lamination ultrathin foaming PU of 3D modeling composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311570389.9A CN117698153A (en) | 2023-11-23 | 2023-11-23 | Realization mode of surface molding lamination ultrathin foaming PU of 3D modeling composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117698153A true CN117698153A (en) | 2024-03-15 |
Family
ID=90152377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311570389.9A Pending CN117698153A (en) | 2023-11-23 | 2023-11-23 | Realization mode of surface molding lamination ultrathin foaming PU of 3D modeling composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117698153A (en) |
-
2023
- 2023-11-23 CN CN202311570389.9A patent/CN117698153A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |