WO2006021200A1 - Dekorierter spritzgussartikel, sowie transferfolie und verfahren zur herstellung eines solchen - Google Patents
Dekorierter spritzgussartikel, sowie transferfolie und verfahren zur herstellung eines solchen Download PDFInfo
- Publication number
- WO2006021200A1 WO2006021200A1 PCT/DE2005/001487 DE2005001487W WO2006021200A1 WO 2006021200 A1 WO2006021200 A1 WO 2006021200A1 DE 2005001487 W DE2005001487 W DE 2005001487W WO 2006021200 A1 WO2006021200 A1 WO 2006021200A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- injection
- plastic material
- decorative
- molded article
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000010410 layer Substances 0.000 claims abstract description 277
- 229920003023 plastic Polymers 0.000 claims abstract description 124
- 239000004033 plastic Substances 0.000 claims abstract description 122
- 238000002347 injection Methods 0.000 claims abstract description 99
- 239000007924 injection Substances 0.000 claims abstract description 99
- 239000000463 material Substances 0.000 claims abstract description 90
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 239000002991 molded plastic Substances 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000004413 injection moulding compound Substances 0.000 claims description 45
- 239000004922 lacquer Substances 0.000 claims description 41
- 230000000873 masking effect Effects 0.000 claims description 33
- 239000007921 spray Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000001723 curing Methods 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- 238000003847 radiation curing Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005034 decoration Methods 0.000 abstract description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 12
- 239000003973 paint Substances 0.000 description 12
- 239000011888 foil Substances 0.000 description 11
- 230000037452 priming Effects 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 9
- 239000004926 polymethyl methacrylate Substances 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- -1 polysiloxanes Polymers 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 238000004049 embossing Methods 0.000 description 4
- 239000012778 molding material Substances 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- 239000001993 wax Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- XBANMFCHEXFFTD-UHFFFAOYSA-N CNC1(N(C(N(C(=N1)N)C)(N(C)C)C)C)C Chemical compound CNC1(N(C(N(C(=N1)N)C)(N(C)C)C)C)C XBANMFCHEXFFTD-UHFFFAOYSA-N 0.000 description 2
- 239000004640 Melamine resin Substances 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011145 styrene acrylonitrile resin Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14827—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using a transfer foil detachable from the insert
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/08—Biaxial stretching during blow-moulding
- B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
- B29C49/14—Clamps
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14901—Coating a sheet-like insert smaller than the dimensions of the adjacent mould wall
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24843—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] with heat sealable or heat releasable adhesive layer
Definitions
- the invention relates to a decorated injection molded article, which is formed from at least one molded plastic material and at least one mechanically fixedly connected decorative element, wherein the decorative element has one or more layers and a decor and / or a protective layer for the
- Injection molded article provides, wherein the injection molded article has at least one spray seam, which is formed in the injection molding in the closing region of an injection mold or in the transition region between at least two individual parts of the injection mold on the molded plastic material.
- the invention further relates to a transfer film for producing such a decorated injection molded article, wherein the transfer film has at least one carrier film, a release layer arranged on the carrier film and a transfer layer arranged on the side of the release layer facing away from the carrier film as decorative element, wherein the decorative element has one or more layer layers and provides a decor and / or a protective layer for the injection molded article, wherein the transfer layer adjacent to the release layer at least one protective lacquer layer and / or at least one decorative layer and at least one adhesive layer adjacent to the protective lacquer or decorative layer on the side facing away from the carrier film of the transfer film which softens at a spray temperature and combines with a plastic injection molding compound to form the injection molded article.
- the invention furthermore relates to a method for producing a decorated injection-molded article using a transfer film which has at least one carrier film, a release layer arranged on the carrier film and a transfer layer arranged on the side of the release layer facing away from the carrier film as decorative element, wherein the decorative element has one or more Having layer layers and a decor and / or a protective layer for the injection molding article provides, wherein the transfer layer adjacent to the release layer at least one protective lacquer layer and / or at least one decorative layer and adjacent to the protective lacquer or decorative layer on the side facing away from the carrier film of the transfer film at least one Priming layer, wherein the transfer film is placed in a, at least two items comprising, open injection mold, the injection mold is closed and filled with plastic injection molding compound, wherein the Gr undulating layer softens at a spray temperature and combines with the plastic injection molding compound and wherein the injection molded article at least one spray seam is formed in the
- DE 102 21 482 C1 discloses a device for producing a molded part from a thermosetting injection molding material, which is decorated by in-mold spraying with an embossing foil having a carrier foil and a decorative layer.
- the embossing film is thereby inserted into the opened injection mold, wherein the decorative layer of the embossing film faces a top mold.
- the injection mold is closed and liquid injection molding material is injected through an injection channel in the injection mold cavity, wherein the stamping foil conforms to the visible side of the molded part.
- the embossing film combines with the injection molding material, which is removed from the injection mold after curing. After removing the carrier film from the decorative layer, the decorated molded part is completed.
- Such decorated injection molded articles will be especially in automotive interior parts such as door strips, strips in instrument panels, gear lever covers, center console covers and automotive exterior parts such Schorammschutzmannn, covers on A-, B- and C-pillars and in the audio and video field used in trim strips on the housing of radios and televisions.
- the carrier foil is removed after the decorative element has been applied to the injection-molded body.
- the decorative element comprises a release layer, a resist layer, a structural layer having a spatial structure, an intermediate layer, a reflective layer, and an adhesive layer.
- the release layer serves to detach the decorative element from the carrier and may for example consist of a waxy material.
- IMD films are usually fed via a film feed device between a fixed and a movable part of the injection mold.
- the IMD film is also positioned on the IMD film in the correct position to the injection mold via sensors and position markings before the injection mold is closed and the IMD film is back-injected with the hot plastic injection molding compound.
- Injection molded articles decorated with an ornamental element in an in-mold process have hitherto produced a complete covering of a surface area delimited by a spray seam extending annularly on the plastic material with the decorative element. As a rule, such a surface area also predominantly forms the visible surface of the injection-molded article, so that a full-surface decoration of the entire visible surface takes place. The visual appearance of the injection molded article is thus far dependent on the decorative element used. It is an object of the invention to provide injection molded articles decorated with decorative elements having a novel optical appearance and improved further processibility. A further object of the present invention is to provide a transfer film suitable for forming such decorated injection-molded articles and a suitable method for producing such decorated injection-molded articles.
- the object is for the decorated injection molded article, which is formed from at least one molded plastic material and at least one mechanically fixedly connected decorative element, wherein the decorative element has one or more layer layers and provides a decor and / or a protective layer for the injection molded article, wherein the injection molded article at least a spray seam, which is formed in the injection molding in the closing region of an injection mold or in the transition region between at least two individual parts of the injection mold on the injection-molded plastic material, achieved in that the at least one decorative element, one of a ring on the plastic material extending spray surface limited surface area of the plastic material only partially covered and that the decorative element at least one protective lacquer layer and / or at least one decorative layer and adjacent to the protective lacquer or decorative layer at least one Gru annealing layer, which softens at an injection molding temperature for the plastic material, wherein the primer layer is bonded to the plastic material.
- the injection-molded article according to the invention has only a partial coating with the decorative element in a surface region delimited by a ring-shaped spray seam on the plastic material, so that regions with hardened plastic injection molding compound are also present in the field of vision next to the region (s) of the injection-molded article decorated with the decorative element present without covering with a decorative element.
- This opens up a multitude of new possibilities for providing a visually appealing, decorated injection molded article. If, in addition, an appealing color design of the plastic injection molding compound is taken into account, further new optical effects result.
- injection molding articles for the automotive sector can be provided which have an intarsia decor. Here are the inlaid or the intarsia effect generated by partially arranged decorative elements.
- a further processing of the injection molded article is enormously simplified by the exposed areas of the hardened plastic injection molding compound, as will be described later.
- the at least one decorative element superimposes a spatial surface structuring of the plastic material.
- the spatial structure can be visible only through the decorative element, but also haptically detectable in the region of the decorative element. It can be generated by this particularly interesting optical effects.
- the at least one decorative element is at least partially over-injected with a second plastic material on its side facing away from the first plastic material.
- further optical effects to achieve an optical depth such as lens effects, can be generated.
- an overmolding of the decorative element alone to protect it against mechanical and / or corrosive stress has been proven.
- the second plastic material is at least partially covered with at least one further decorative element on its side facing away from the at least one decorative element.
- the decorative elements can overlap optically, so that, for example, special depth effects or color effects are achieved.
- the object is for a transfer film for producing such a decorated injection molded article, wherein the transfer film has at least one carrier film, a release layer arranged on the carrier film and a transfer layer arranged on the side of the release layer facing away from the carrier film as decorative element, wherein the decorative element has one or more layer layers and provides a decor and / or a protective layer for the injection molded article, wherein the transfer layer adjacent to the release layer at least one protective lacquer layer and / or at least one decorative layer and at least one primer layer adjacent to the protective lacquer or decorative layer on the side facing away from the carrier film having, which softens at a spray temperature and combines with the plastic material for forming the injection molded article, achieved in that a) a masking layer only partially covers the primer layer on its side facing away from the carrier film, wherein the masking layer is formed such that it does not coincide with under spray conditions connects the plastic material, or b) the primer layer is arranged only in some areas and adjacent to the primer layer protective lacquer or decorative layer is
- injection-molded articles can be decorated in a simple and cost-effective manner on the surface.
- Suitable layers which prevent sticking or a connection with the plastic injection molding compound preferably have a softening temperature which is significantly above the processing temperature in the injection molding tool.
- the masking layer in case b) the protective lacquer or decorative layer adjoining the primer layer, and in case c) the release layer withstand a spray temperature of the plastic material without softening. As a result, a connection with the sprayed plastic material is greatly impeded.
- the masking layer in case b) the protective lacquer or decorative layer adjacent to the undercoat layer and in case c) the release layer to the plastic material is chemically incompatible, so that it already at the molecular level to a repulsion comes, which prevents a connection with the injected plastic material.
- layers of the transfer film which are intended to mechanically bond firmly to the plastic material preferably at least partially soften under the processing temperatures in the injection mold and have at least a minor compatibility with the molten plastic material.
- the masking layer in case b) the protective lacquer or decorative layer adjoining the primer layer and in case c) the peel layer is a lacquer layer highly crosslinked by radiation curing, isocyanate curing or acid hardening, has proven to be useful.
- radiation curing, isocyanate curing or acid curing highly crosslinked paint layers do not combine with a hot plastic injection molding compound and therefore allow easy and defined separation from the injection molded body.
- acid-cured melamine resin paints, 2-component polyurethanes or radiation-cured paints have proven to be suitable as masking layers.
- the release effect of such a layer can be further enhanced if, for example, paints are used which have a very uniform layer thickness in the range of 0.1-20 ⁇ m, preferably 0.3-2.5 ⁇ m and a smooth surface with a surface roughness. in order to prevent a mechanical gearing with the plastic injection compound as possible.
- these paint layers have a low surface tension.
- suitable additives preferably based on wax, fluorohydrocarbon or silicone, the surface tension of the masking layer can be lowered further, so that its separation effect is further enhanced.
- Suitable here are in particular - hydroxy-functional polyether-modified polysiloxanes, dispersions of polyethylene waxes having a melting range below 130 0 C and functionalized fluoroethylene copolymers (Hydroxiowski: 55 mg KOH / g).
- the object is for the method for producing a decorated injection molded article using a transfer film having at least one carrier film, a release layer arranged on the carrier film and a transfer layer arranged on the side of the release layer facing away from the carrier film as decorative element, wherein the decorative element has one or more Having layer layers and a decor and / or a protective layer for the injection molding article provides, wherein the transfer layer adjacent to the release layer at least one protective lacquer layer and / or at least one decorative layer and adjacent to the protective lacquer or decorative layer on the side facing away from the carrier film of the transfer film at least one Priming layer, wherein the transfer film is placed in a, at least two items comprising, open injection mold, the injection mold is closed and filled with plastic injection molding compound, wherein the primer softens at a spray temperature and combines with the plastic injection molding compound
- Closing portion of the injection mold or in the transition region between the at least two individual parts of the injection mold is formed, and that the plastic injection molding compound is cured to a first plastic material, achieved in that the at least one decorative element so limited to a, extending from an annular on the plastic material spray seam
- a transfer film according to the invention which is arranged in the injection mold in such a way that the carrier film bears directly against the injection mold.
- the transfer film is pressed against the inner wall of the injection mold.
- the layers arranged on the carrier film which preferably have a thickness in the range from 19 to 100 ⁇ m, are preferably produced in gravure printing, screen printing or, in particular, the decorative layers, also in digital, flexographic or offset printing.
- the hot plastic injection molding compound comes into contact with the masking layer as well as with exposed areas of the undercoating layer.
- the plastic injection molding compound mechanically bonds firmly to the priming layer, the priming layer at least melting or completely melting.
- the direct contact area between the masking layer and the plastic injection molding compound there is no connection, since the masking layer does not combine with the plastic material, preferably by not softening or only above the spray temperature and also receives no chemical reaction with the plastic injection molding compound in the spray temperature.
- the injection mold is opened and the carrier film removed. Only the areas of the decorative element that are mechanically firmly connected to the plastic material via the priming layer remain on the hardened plastic injection molding compound.
- a decorated injection-molded article according to the invention is obtained.
- the use of a transfer film according to case a) is particularly cost-effective, since a conventional, IMD-capable transfer film can be used, which is provided only with a masking layer in the desired pattern or decor. As a result, a pattern change is easy, inexpensive and fast to carry out.
- the masking layer has a thickness in the range of 1 to 4 ⁇ m. In such a layer thickness particularly sharp edges and good transmission results for the partially transferred decorative elements are achieved.
- the masking layer at least one Opening with a diameter of at least 0.15 mm. Smaller diameters lead to an incomplete transfer of Obviouslyslage- areas with unclean, randomly changing edges, since the hot plastic injection molding compound can not or only limited penetrate through the opening and can connect to the primer layer.
- the hot plastic injection molding compound comes into contact with the partially disposed primer layer and with the areas of a protective lacquer or decorative layer which are not covered by the primer layer.
- the hot plastic injection molding compound mechanically bonds firmly to the priming layer, with the priming layer at least melting or completely melting.
- the protective lacquer or decorative layer does not combine with the plastic material, preferably by not softening or only above the spraying temperature and no chemical reaction in the spraying temperature received with the plastic injection molding compound.
- the materials which are also suitable for the masking layer according to case a), for example UV paints based on polyacrylate or 2-component polyurethane paint, can be used for the protective lacquer layer or decorative layer adjacent to the primer layer.
- the injection mold is opened and the carrier film removed. Only the areas of the decorative element that are mechanically firmly connected to the plastic material via the priming layer remain on the hardened plastic injection molding compound.
- Decorative layer (s) uncovered by the primer layer are removed together with the carrier film, so that a decorated injection molded article according to the invention is obtained.
- the use of a transfer film according to case b) is also inexpensive, since a conventional, IMD-capable transfer film can be used, which is provided only with a primer layer in the desired pattern or decor. As a result, a pattern change is also simple, inexpensive and fast to carry out here. If a transfer film according to case c) is used, the hot plastic injection molding compound comes into contact with the primer layer of the partially arranged transfer layer as well as with the exposed areas of a release layer, which may also be provided over a surface of a carrier film of suitable material.
- the hot plastic injection molding compound mechanically bonds firmly to the priming layer, with the priming layer at least melting or completely melting.
- the direct contact area between the release layer and the plastic injection molding compound there is no connection, preferably in that the release layer does not soften or only above the spray temperature and does not enter into any chemical reaction with the plastic injection compound in the area of the spray temperature.
- the materials which are also suitable for the masking layer according to case a) can be used for the release layer, for example acid-cured melamine resin paints, 2-component polyurethanes or radiation-cured paints.
- the masking layer in case b) the primer layer and in case c) the transfer layer is pattern-shaped, so that a pattern-shaped decoration of the injection molded article results.
- the masking layer represents the negative for the pattern
- the primer layer and in case c) the transfer layer represent the positive for the pattern.
- alphanumeric character representations or pictorial representations such as coats of arms, logos, nature motives or the like understood.
- the decorative layer has an at least partially formed metal layer and / or an at least partially formed interference layer and / or an at least partially formed ink layer and / or an at least partially arranged layer with relief structures, such as macroscopic relief structures, diffractive structures or holograms, and / or a pigmented layer comprising fluorescent or phosphorescent pigments or pigments with viewing angle dependent color change effects.
- relief structures such as macroscopic relief structures, diffractive structures or holograms, and / or a pigmented layer comprising fluorescent or phosphorescent pigments or pigments with viewing angle dependent color change effects.
- the protective lacquer layer of the transfer film according to the invention it has proven useful if the protective lacquer layer is colorless transparent, colored transparent or at least partially opaque. This allows further optical effects to be achieved.
- the carrier film is formed from a material which can be easily detached from the transfer layer after the injection molding process, then the carrier film has a surface which itself forms the release layer. Carrier film and release layer thus form a unit. An additional release layer on the carrier film can be dispensed with in this case.
- the injection molded article according to the invention proves to be advantageous if it is to be overmolded with a second plastic injection molding compound in a further injection mold, for example to produce lenticular elements.
- a good durable connection between the cured plastic material and the second plastic injection molding compound can be produced.
- the same or different plastic materials can be used here for the cured plastic material and the second plastic injection molding compound, with the same materials also being designated those which have only a different coloring of an otherwise identical plastic.
- the structure of the decorative film is advantageously not important.
- such an exposed area of the hardened plastic injection molding compound in the field of view of the injection molded article can continue to be labeled uncomplicatedly, for example by means of a laser. It also results in the possibility that any arranged on the injection molded optical lens systems or contact surfaces of the plastic injection molded body electrically conductive contact structures of the decorative film remain uncovered, so that they remain directly visible and accessible or in the case of the contact surfaces, that these electrical cables or electrical components can be connected. On the decorative film itself so no consideration must be taken, so that in general a very straightforward, fast and therefore cost-effective further processing of the injection molded article according to the invention is possible.
- FIGS. 1a to 3a are intended to illustrate the invention by way of example. So shows: FIG. 1 a shows a cross section through a transfer film according to case a),
- FIG. 1 b shows a cross section through a transfer film according to case b
- FIG. 1c shows a cross section through a transfer film according to case c
- FIG. 2 a shows a cross section through a decorated injection-molded article
- FIG. 2b shows a cross section through a decorated injection-molded article, overmolded in the field of view with a second plastic material
- FIG. 3a shows a cross section through a further decorated injection molded article, which has a spatial structure in a surface area
- Figure 3b shows a cross section through another decorated injection molded article, which has a spatial structure in a surface area and is over-injected with a second plastic material.
- FIG. 1 shows a cross section through a transfer film 1a according to case a).
- Transfer film 1a has a carrier film 2 made of PET with a film thickness of 36 microns, an arranged on the carrier film 2 release layer 3 made of a polyethylene wax melting range of 90-100 0 C and a on the side remote from the carrier film 2 side of the peel layer 3 arranged transfer layer 7 as Decorative element, wherein the decorative element has a plurality of layers.
- the transfer layer 7 Adjacent to the release layer 3, the transfer layer 7 has a protective lacquer layer 4, a decorative layer 5 and, adjacent to the decorative layer 5 on the side of the transfer foil 1a facing away from the carrier foil 2, a primer layer 6 of polyvinyl chloride copolymers, polymethyl methacrylate (MW 60000 g / mol) , A masking layer 8 partially covers the primer layer 6 on its side facing away from the carrier film 2.
- the masking layer 8 is a highly crosslinked lacquer layer and has pattern-like openings 9a, which partially expose the primer layer 6.
- a suitable lacquer for forming the masking layer 8 has the following composition: Example A
- the masking layer 8 can be used if the plastic material used is PMMA 1 ABS 1 SAN, PS 1 PC, PP or suitable compatible mixtures of these materials.
- FIG. 1b shows a cross section through a transfer film 1b according to case b).
- the transfer sheet 1 b has a carrier film 2 made of PET, an arranged on the carrier film 2 release layer 3 made of a polyethylene wax (melting range 80 - 100 0C) and facing away from the carrier film 2 side of the peel layer 3 arranged transfer layer as a decorative element on , wherein the decorative element has a plurality of layer layers.
- the primer layer 6 is covered the decorative layer 5 only partially.
- the colored decorative layer 5 was formed by means of the following composition:
- Chlorinated polyolefin (chlorine content 30%) 33 parts
- This decorative layer 5 can be used when used as plastic materials PP, PE, TPO.
- FIG. 1c shows a cross section through a transfer film 1c according to case c).
- the transfer film 1c has a carrier film 2 made of PET, a release layer 3 arranged on the carrier film 2, and a transfer layer arranged on the side of the release layer 3 facing away from the carrier film 2 as decorative element 9, the decorative element 9 having a plurality of layer layers.
- Adjacent to the release layer 3, the decorative element 9 has a protective lacquer layer 4, a decorative layer 5 and, adjacent to the decorative layer 5, an undercoating layer 6 on the side of the transfer foil 1a facing away from the carrier foil 2.
- the decorative element 9 covers the release layer 3 only partially, wherein the protective layer 4, the decorative layer 5 and the primer layer 6 are arranged substantially congruently one above the other.
- the release layer 3 was formed by means of the following composition:
- Ethanol 10 parts isopropanol 8 parts methyl ethyl ketone 8 parts toluene 8 parts hexamethylmethylmelamine 25 parts solution of hydroxy-functionalized polymer methacrylate (60%) in 29 parts by weight of xylene
- thermoplastic polymers such as PMMA, ABS, ASA, PC, PP, PE, SAN, PVC and mixtures compatible therewith.
- FIG. 2a shows a decorated injection-molded article 11a in cross-section.
- colored plastic material 10 of PMMA are partially decorative elements 9.
- the dashed line indicates the position of a spray seam, which is formed on the plastic material 10 in the seam area between the two halves of a closed, two-part injection mold.
- FIG. 2b shows a decorated injection molded article 11b in cross section.
- plastic material 10 made of PMMA partially decorative elements 9.
- the dashed line indicates the position of a spray seam, which has arisen on the plastic material 10 in the seam area between the two halves of a closed, two-part injection mold.
- the decorative elements 9 as well as the surface area of the plastic material 10 which is limited by the spray seam are overmolded with a second colorless transparent plastic material 12 made of PMMA or PC, PS, SAN, PA, so that a depth effect results.
- FIG. 3a shows a decorated injection molded article 13a in cross section.
- the decor elements 9 emphasize the elevations in the hardened, colored plastic material 10.
- the dashed line indicates the position of a spray seam on the plastic material 10 in the seam area between the two Halves of a closed, two-piece injection mold has emerged.
- FIG. 3b shows a decorated injection-molded article 13b in cross-section.
- the decor elements 9 emphasize the elevations in the hardened, colored plastic material 10.
- the dashed line indicates the position of a spray seam on the plastic material 10 in the seam area between the two Halves of a closed, two-piece injection mold has emerged.
- the decorative elements 9 as well as the surface area of the plastic material 10 delimited by the spray seam are overmolded with a second, colorless, transparent plastic material 12, so that a depth effect results, the spatial structure of the hardened, colored plastic material 10 remaining visible.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/661,025 US20080095992A1 (en) | 2004-08-27 | 2005-08-23 | Decorated Injection-Moulded Article, Transfer Film, And Method For Producing One Such Article |
JP2007528588A JP4827846B2 (ja) | 2004-08-27 | 2005-08-23 | 転写フィルムおよび加飾射出成形品並びにその製造方法 |
CN2005800306942A CN101018655B (zh) | 2004-08-27 | 2005-08-23 | 装饰注塑制品以及转印膜和其制造方法 |
BRPI0514700-0A BRPI0514700A (pt) | 2004-08-27 | 2005-08-23 | artigo de decoração moldado por injeção, filme de transferência, e processo para a produção do artigo |
EP05782855A EP1784294A1 (de) | 2004-08-27 | 2005-08-23 | Dekorierter spritzgussartikel, sowie transferfolie und verfahren zur herstellung eines solchen |
MX2007002152A MX2007002152A (es) | 2004-08-27 | 2005-08-23 | Articulo moldeado por inyeccion, decorado, pelicula de transferencia y metodo para producir un articulo como este. |
KR1020077006849A KR101232418B1 (ko) | 2004-08-27 | 2005-08-23 | 가식(加飾)된 사출성형물품, 전사필름 및 이와 같은 물품의제조방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004041867.5 | 2004-08-27 | ||
DE102004041867A DE102004041867A1 (de) | 2004-08-27 | 2004-08-27 | Dekorierter Spritzgussartikel, sowie Transferfolie und Verfahren zur Herstellung eines solchen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006021200A1 true WO2006021200A1 (de) | 2006-03-02 |
Family
ID=35464113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/001487 WO2006021200A1 (de) | 2004-08-27 | 2005-08-23 | Dekorierter spritzgussartikel, sowie transferfolie und verfahren zur herstellung eines solchen |
Country Status (10)
Country | Link |
---|---|
US (1) | US20080095992A1 (de) |
EP (1) | EP1784294A1 (de) |
JP (1) | JP4827846B2 (de) |
KR (1) | KR101232418B1 (de) |
CN (1) | CN101018655B (de) |
BR (1) | BRPI0514700A (de) |
DE (1) | DE102004041867A1 (de) |
MX (1) | MX2007002152A (de) |
TW (1) | TWI356762B (de) |
WO (1) | WO2006021200A1 (de) |
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WO2011054406A1 (de) * | 2009-11-05 | 2011-05-12 | Schoeller Arca Systems Gmbh | Behälter insbesondere flaschenkasten mit inmould-label |
CN113795363A (zh) * | 2019-03-14 | 2021-12-14 | 雷恩哈德库兹基金两合公司 | 用于制造构件的方法和用于制造构件的设备 |
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US8945454B2 (en) * | 2008-08-22 | 2015-02-03 | Konica Minolta Opto, Inc. | Substrate manufacturing method, substrate manufactured by the substrate manufacturing method and magnetic recording medium using the substrate |
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JP2012142364A (ja) * | 2010-12-28 | 2012-07-26 | Nitto Denko Corp | 封止部材、封止方法、および、光半導体装置の製造方法 |
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JP5066291B1 (ja) * | 2012-01-23 | 2012-11-07 | 尾池工業株式会社 | 転写フィルムおよび金属調成形品の製造方法 |
CN103753760A (zh) * | 2013-12-30 | 2014-04-30 | 青岛海永盛发展有限公司 | 一种注塑工艺 |
WO2015184343A1 (en) * | 2014-05-30 | 2015-12-03 | Absolute Exhibits, Inc. | Thermoset in-mold finishing film |
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MA45218B1 (fr) | 2016-06-14 | 2022-04-29 | Saint Gobain | Procede de fabrication d'un composant en matiere synthetique de vehicule, dispositif de fabrication, produit et utilisation |
DE102016112505A1 (de) * | 2016-07-07 | 2018-01-11 | Leonhard Kurz Stiftung & Co. Kg | Transferfolie |
CN108927948B (zh) * | 2018-07-10 | 2023-08-25 | 长虹美菱股份有限公司 | 一种具有软胶注塑皮革效果的冰箱用饰条及把手的成型工艺 |
DE112019006041A5 (de) * | 2018-12-04 | 2021-09-30 | MERCK Patent Gesellschaft mit beschränkter Haftung | Verfahren zur Erzeugung von virtuellen dreidimensionalen Mustern in Formkörpern aus Kunststoff |
JP7101634B2 (ja) * | 2019-03-29 | 2022-07-15 | 本田技研工業株式会社 | 樹脂成形品 |
CN110885470A (zh) * | 2019-09-20 | 2020-03-17 | 捷开通讯(深圳)有限公司 | 塑料件及其制备方法 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007146034A2 (en) * | 2006-06-07 | 2007-12-21 | Pursuit Engineering Llc | Highly-efficient optical collection and reflection surface(s) and molding system for manufacture of same |
WO2007146034A3 (en) * | 2006-06-07 | 2008-02-07 | Pursuit Engineering Llc | Highly-efficient optical collection and reflection surface(s) and molding system for manufacture of same |
WO2011054406A1 (de) * | 2009-11-05 | 2011-05-12 | Schoeller Arca Systems Gmbh | Behälter insbesondere flaschenkasten mit inmould-label |
CN113795363A (zh) * | 2019-03-14 | 2021-12-14 | 雷恩哈德库兹基金两合公司 | 用于制造构件的方法和用于制造构件的设备 |
US11945145B2 (en) | 2019-03-14 | 2024-04-02 | Leonhard Kurz Stiftung & Co. Kg | Method for producing a component |
CN113795363B (zh) * | 2019-03-14 | 2024-05-31 | 雷恩哈德库兹基金两合公司 | 用于制造构件的方法和用于制造构件的设备 |
Also Published As
Publication number | Publication date |
---|---|
KR101232418B1 (ko) | 2013-02-15 |
BRPI0514700A (pt) | 2008-06-24 |
DE102004041867A1 (de) | 2006-03-16 |
US20080095992A1 (en) | 2008-04-24 |
CN101018655B (zh) | 2010-10-13 |
JP2008510637A (ja) | 2008-04-10 |
JP4827846B2 (ja) | 2011-11-30 |
KR20070051923A (ko) | 2007-05-18 |
TWI356762B (en) | 2012-01-21 |
TW200615115A (en) | 2006-05-16 |
CN101018655A (zh) | 2007-08-15 |
MX2007002152A (es) | 2007-05-10 |
EP1784294A1 (de) | 2007-05-16 |
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