CN102336041A - Method for preparing composite material for in-mold decoration - Google Patents
Method for preparing composite material for in-mold decoration Download PDFInfo
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- CN102336041A CN102336041A CN2010102385852A CN201010238585A CN102336041A CN 102336041 A CN102336041 A CN 102336041A CN 2010102385852 A CN2010102385852 A CN 2010102385852A CN 201010238585 A CN201010238585 A CN 201010238585A CN 102336041 A CN102336041 A CN 102336041A
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- mold decoration
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Abstract
The invention discloses a method for preparing a composite material for in-mold decoration. The composite material consists of a biomaterial layer and a protection layer attached to the surface of the biomaterial layer. The method comprises the following steps of: providing the biomaterial layer, wherein the biomaterial layer is conveyed on a predetermined running path; hot-pressing a protection layer in hot melting state, wherein the hot-pressed protection layer is connected with the biomaterial layer on the running path of the biomaterial layer; and condensing for attaching the hot-pressed protection layer to the biomaterial layer to form the composite material. Through the method, the protection layer in hot melting state can be jointed with the biomaterial layer and condensed to be attached to the biomaterial layer to form the composite material, thereby reducing bubbles between the protection layer and the biomaterial layer.
Description
Technical field
A kind of method for preparing in-mold decoration with composite, the method for particularly utilizing hot extrusion technology that one protective layer is combined with a biological material layer.
Background technology
Industrial product itself has the remarkable performance except pursuing, for outward appearance, the sense of touch that promotes commodity, and commodity resolution even, thereby constantly attempt innovation and design attractive in appearance through appearance design to promote the location and the price of product.And known industrial product; Like mobile phone or notebook computer, its known material possibly be plastic casing, though appearance coats coating; Make it have the surface color that differs from plastics; But still can obviously identify it actual through its sense of touch is plastics, and uses for a long time or through after the friction, and the coating on surface can be ground off and expose the true colours of plastics.Generally speaking, because the process coating covering merely of its plastics, so its outward appearance and sense of touch are not good.
Therefore there is known invention that biomaterial (like timber, leather etc.) is combined with metal material; Like TaiWan, China patent certificate M321677 number " structure of shell complex "; This patent discloses: this shell comprises a top layer and a bottom, and wherein digital spraying print or pattern transferring can be passed through in this top layer, and bottom is a sheet metal; Be provided with one deck solid between this bottom surface, top layer or the bottom surface, this top layer combined with bottom through this solid.In the said patent, this top layer can be any material, and said by its specification, this top layer can be wooden skin, leather or cloth.
And in order on shells such as plastics or metal, to spread the layer of biological material of appropriate size, preparation one biological material layer earlier, this layer of biological material are the layer of biological material that the size prepared according to the difference of case surface area and shell are complementary.Known preparation method is as shown in Figure 1, and it is to be utilized in an adhesion layer 2 on a fixed bed 3 upper surface cloth, on this adhesion layer 2, pastes this layer of biological material 1, and its assembly is suitable size.For example, can a plurality of bamboo chips be sticked on this adhesion layer 2 layer of biological material 1 one complete to constitute, that size is appropriate; Then, paste a last protective layer 4 again in the surface of this layer of biological material 1,4 pairs of these layer of biological material 1 of this protective layer have played location, protection, increasing colour, raising brightness and surface flatness; Last step removes this fixed bed 3 and adhesion layer 2 exactly, thereby prevents to break through these protective layer 4 fixed biologically material layers 1.
Yet, this protective layer 4 is sticked in the step of this layer of biological material 1, protective layer 4 and layer of biological material 1 are often pasted bad, and between produces numerous air-bubble 8.Must the labor manpower and the time push away the bubble 8 between protective layer 4 and the layer of biological material 1 flat.Moreover, may scratch protective layer 4 or layer of biological material 1 in the process of eliminating bubble 8.This shows that the known technology means that the protective layer 4 that is shaped is pasted on layer of biological material 1 have defective, can expend too much manpower and time, and product percent of pass are relatively poor.
Summary of the invention
Because known manufacture process is easy to generate flaw when pasting protective layer and layer of biological material, and eliminates flaw and expend many manpowers and time, thereby need to improve.The purpose of this case promptly is to provide the manufacturing approach behind a kind of the improvement, is used to provide the protective layer that has engaged, and reduces flaw through this method and produce.
The present invention is a kind of method for preparing in-mold decoration with composite; This method is to be used to provide a composite; This composite is made up of the protective layer that a biological material layer and is attached to this biomaterial laminar surface; This method comprises the operation of a supply layer of biological material, and this operation is transferred this layer of biological material on a predetermined operating path; The operation of the protective layer of one hot extrusion hot melt state is wherein joined with this layer of biological material on this layer of biological material operating path by the protective layer of hot extrusion; One makes and is attached to this layer of biological material by the protective layer condensation of hot extrusion and forms the operation of this composite.
The method for preparing in-mold decoration with composite of the present invention, wherein, in the operation of supply layer of biological material, this layer of biological material one side therein is attached with an adhesion layer, and the another side of this adhesion layer has been pasted a fixed bed.
The method for preparing in-mold decoration with composite of the present invention; Wherein, the protective layer material of hot extrusion is selected from the group that is made up of polyethylene terephthalate, PEN, glycol sex change polyethylene terephthalate, thermoplastic poly amido formate, Polyurethane, polypropylene, Merlon, amorphized poly terephthalic acid diol ester, polyvinyl chloride, acryl, styrene methyl methacrylate, acrylonitrile-butadiene-phenylethylene copolymer, polystyrene, bunching an aromatic plant metioned in ancient books and nylon.
The method for preparing in-mold decoration with composite of the present invention, wherein, this layer of biological material is selected from the group that is made up of bamboo skin, wooden skin, animal skin and leaf.
The method for preparing in-mold decoration with composite of the present invention; Wherein, After being joined by the protective layer of hot extrusion and this layer of biological material, the protective layer of this hot extrusion and this layer of biological material make this protective layer be uniformly distributed on this layer of biological material through at least one group of rolling device compressing.
The method for preparing in-mold decoration with composite of the present invention, wherein, the temperature of this rolling device is lower than the condensation point of this protective layer.
Through said method, can let this protective layer under the hot melt state, engage, and condensation is attached to this layer of biological material and form this composite, to reduce the generation of bubble between the two with layer of biological material.
Description of drawings
Fig. 1 is the sketch map of the known technology of fixing this layer of biological material.
Fig. 2 is an enforcement sketch map of the present invention.
The specific embodiment
The present invention is a kind of method for preparing in-mold decoration with composite, and the implementation process of this method is as shown in Figure 2, and Fig. 2 has represented that the present invention makes the process of this composite.This method provide one be used for decoration technique inside mold composite, this composite is made up of 4 of protective layers that a biological material layer 1 and is attached to this layer of biological material 1 surface.This layer of biological material 1 is selected from the group that is made up of bamboo skin, wooden skin, animal skin and leaf.This method at first comprises the operation of a supply layer of biological material 1, and it is to let this layer of biological material 1 on a predetermined operating path, be transferred, and for example shown in Figure 2, this layer of biological material 1 is driven and operation on a track 6.In the operation of supply layer of biological material 1; Can be attached with an adhesion layer 2 in the wherein one side of this layer of biological material 1; The another side of this adhesion layer 2 has been pasted a fixed bed 3, fixes this layer of biological material 1 through this adhesion layer 2 with fixed bed 3, to avoid this layer of biological material 1 loose breaking.Then this method also comprises the operation of the protective layer 4 of a hot extrusion hot melt state, can extrude and make it to become film like the protective layer 4 of hot melt state through a hot extrusion device 5.Wherein this protective layer 4 is selected from the group that is made up of polyethylene terephthalate, PEN, glycol sex change polyethylene terephthalate, thermoplastic poly amido formate, Polyurethane, polypropylene, Merlon, amorphized poly terephthalic acid diol ester, polyvinyl chloride, acryl, styrene methyl methacrylate, acrylonitrile-butadiene-phenylethylene copolymer, polystyrene, bunching an aromatic plant metioned in ancient books and nylon.Above-mentionedly on the operating path of this layer of biological material 1, joined with this layer of biological material 1 by the protective layer 4 of hot extrusion; And after this protective layer 4 and layer of biological material 1 join, further provide one to make and be attached to this layer of biological material 1 and form the operation of this composite by protective layer 4 condensations of hot extrusion.Protective layer 4 melts under the state after the extrusion directly and layer of biological material 1 joins in heat, can reduce the generation of bubble.And better enforcement operation is as shown in Figure 2; After wherein being joined with this layer of biological material 1 by the protective layer 4 of hot extrusion; The protective layer 4 of this hot extrusion is oppressed through at least one group of rolling device 7 with this layer of biological material 1, makes this protective layer 4 be uniformly distributed on this layer of biological material 1.The temperature of this rolling device 7 can be lower than the condensation point of this protective layer 4, and this protective layer 4 is freezed solidly on this layer of biological material 1 through after the roll-in apace, fully.Behind this rolling device 7; The protective layer 4 that formed composite has promptly comprised layer of biological material 1 and has been attached to this layer of biological material 1 surface; And owing to this layer of biological material 1 this protective layer 4 capable of using formalizes; Be the adhesion layer 2 and the fixed bed 3 of removable this layer of biological material 1 another side, can drop into the composite of in-mold decoration production process to form.Also can keep this adhesion layer 2 and fixed bed 3, and temperature and pressure when in the subsequent production process, being used to cushion plastics and penetrating are used for perhaps cohering with other material.
Through said method, can let this protective layer 4 under the hot melt state, engage, and condensation is attached to this layer of biological material 1 and form this composite, to reduce the generation of bubble between the two with layer of biological material 1.After bubble reduced, the qualification rate of product promoted, and can reduce subsequent examination and the manpower and the time of handling flaw.Moreover, because the track 6 of above-mentioned method automatic operating capable of using, hot extrusion device 5 and rolling device 7 are carried out, therefore also reduced manpower in process of production, make the manufacturing cost of this composite descend many.
More than being preferred embodiment of the present invention, is not that a little change and retouching that any those of ordinary skill in the art are done in not breaking away from technical conceive scope of the present invention all should be covered by among the present invention in order to qualification the present invention.
Claims (6)
1. method for preparing in-mold decoration with composite; This method is to be used to provide a composite; This composite is made up of the protective layer (4) that a biological material layer (1) and is attached to this layer of biological material (1) surface, it is characterized in that this method comprises:
The operation of one supply layer of biological material (1), this operation are transferred this layer of biological material (1) on a predetermined operating path;
The operation of the protective layer (4) of one hot extrusion hot melt state is wherein joined with this layer of biological material (1) on this layer of biological material (1) operating path by the protective layer of hot extrusion (4);
One makes and is attached to this layer of biological material (1) by the protective layer of hot extrusion (4) condensation and forms the operation of this composite.
2. the method for preparing in-mold decoration with composite as claimed in claim 1; It is characterized in that in the operation of supply layer of biological material (1); This layer of biological material (1) one side therein is attached with an adhesion layer (2), and the another side of this adhesion layer (2) has been pasted a fixed bed (3).
3. the method for preparing in-mold decoration with composite as claimed in claim 1 is characterized in that protective layer (4) material of hot extrusion is selected from the group that is made up of polyethylene terephthalate, PEN, glycol sex change polyethylene terephthalate, thermoplastic poly amido formate, Polyurethane, polypropylene, Merlon, amorphized poly terephthalic acid diol ester, polyvinyl chloride, acryl, styrene methyl methacrylate, acrylonitrile-butadiene-phenylethylene copolymer, polystyrene, bunching an aromatic plant metioned in ancient books and nylon.
4. the method for preparing in-mold decoration with composite as claimed in claim 1 is characterized in that this layer of biological material (1) is selected from the group that is made up of bamboo skin, wooden skin, animal skin and leaf.
According to claim 1 or claim 2 prepare the method for in-mold decoration with composite; After it is characterized in that being joined by the protective layer of hot extrusion (4) and this layer of biological material (1); The protective layer of this hot extrusion (4) is oppressed through at least one group of rolling device (7) with this layer of biological material (1), makes this protective layer (4) be evenly distributed on this layer of biological material (1).
6. the method for preparing in-mold decoration with composite as claimed in claim 5 is characterized in that the temperature of this rolling device (7) is lower than the condensation point of this protective layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010238585.2A CN102336041B (en) | 2010-07-26 | 2010-07-26 | Method for preparing composite material for in-mold decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010238585.2A CN102336041B (en) | 2010-07-26 | 2010-07-26 | Method for preparing composite material for in-mold decoration |
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| Publication Number | Publication Date |
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| CN102336041A true CN102336041A (en) | 2012-02-01 |
| CN102336041B CN102336041B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010238585.2A Active CN102336041B (en) | 2010-07-26 | 2010-07-26 | Method for preparing composite material for in-mold decoration |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539549A (en) * | 2003-03-06 | 2004-10-27 | 住友化学工业株式会社 | Laminated multiporous polylefin film and its prepn. metod |
| CN101610647A (en) * | 2008-06-17 | 2009-12-23 | 深圳富泰宏精密工业有限公司 | Portable case of electronic equipment |
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2010
- 2010-07-26 CN CN201010238585.2A patent/CN102336041B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539549A (en) * | 2003-03-06 | 2004-10-27 | 住友化学工业株式会社 | Laminated multiporous polylefin film and its prepn. metod |
| CN101610647A (en) * | 2008-06-17 | 2009-12-23 | 深圳富泰宏精密工业有限公司 | Portable case of electronic equipment |
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| Publication number | Publication date |
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| CN102336041B (en) | 2015-04-22 |
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