WO2017097444A1 - Procédé de revêtement d'un substrat - Google Patents

Procédé de revêtement d'un substrat Download PDF

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Publication number
WO2017097444A1
WO2017097444A1 PCT/EP2016/067838 EP2016067838W WO2017097444A1 WO 2017097444 A1 WO2017097444 A1 WO 2017097444A1 EP 2016067838 W EP2016067838 W EP 2016067838W WO 2017097444 A1 WO2017097444 A1 WO 2017097444A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
injection
substrate
mold
plastic
Prior art date
Application number
PCT/EP2016/067838
Other languages
German (de)
English (en)
Inventor
Dietmar Votteler
Wolfgang Nowotny
Josef ART
Original Assignee
Votteler Lackfabrik Gmbh & Co. Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE102016102207.1A external-priority patent/DE102016102207A1/de
Application filed by Votteler Lackfabrik Gmbh & Co. Kg filed Critical Votteler Lackfabrik Gmbh & Co. Kg
Publication of WO2017097444A1 publication Critical patent/WO2017097444A1/fr

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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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0222—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould the curing continuing after removal from the mould
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • 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
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • 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
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Definitions

  • the present invention relates to a process for coating a substrate, in particular an injection molded part, with a two-component polyurethane reaction mixture in the reaction injection molding (RIM) process (reaction casting process).
  • RIM reaction injection molding
  • the present invention relates to a method in which on a system, usually a plastic injection molding machine in combination with a RIM system (reaction casting machine), first or in a first step in a mold of the plastic injection molding one or more injection molded parts, in particular thermoplastic injection molded parts are produced or alternatively a submerged in the mold of the injection molding substrate with the thermoplastic is injected behind, and then in a second step, the injection molded parts removed from the mold mold are then provided in the RIM system with a coating of the polyurethane two-component reaction mixture.
  • a plastic injection molding machine in combination with a RIM system (reaction casting machine)
  • first or in a first step in a mold of the plastic injection molding one or more injection molded parts, in particular thermoplastic injection molded parts are produced or alternatively a submerged in the mold of the injection molding substrate with the thermoplastic is injected behind, and then in a second step, the injection molded parts removed from the mold mold are then provided in the RIM system with a coating of the polyure
  • an at least two-component reaction mixture is injected by means of a mixing head into a surface cavity between an insert placed in the tool mold and the tool mold, in order to be able to react. After curing of the reaction mixture in the mold, the mold is opened and the coated insert, the component, removed.
  • the mold is at least partially heatable to accelerate curing.
  • the tool mold generally consists of at least two mold parts that can be opened to allow the removal of the coated insert.
  • a substrate which can be made, for example, of wood or plastic in the injection molding plant with plastic, and then to coat it with a two-component polyurethane resin (2K-PUR) in a RIM plant .
  • 2K-PUR two-component polyurethane resin
  • the substrate After inserting the appropriately prepared substrate, such as a veneer tray, in the injection molding system, the substrate is back-injected in the first step with a thermoplastic material, wherein there is a solid bond between veneer and plastic in the injection molded part.
  • a thermoplastic material wherein there is a solid bond between veneer and plastic in the injection molded part.
  • the tool is then opened and the created injection-molded part (or back-injected veneer) is transferred into the RIM process for coating with the two-component polyurethane reaction mixture.
  • the created injection-molded part or back-injected veneer
  • the molds of the injection molding machine form one or more surface cavities for the thermoplastic process
  • the RIM tool molds have one or more surface cavities for the second step, in which the back-injected parts are molded with a two-component polyurethane reaction mixture RIM processes are poured over / painted.
  • the second cavity (s) determines / determine the layer thickness of the layer of the reaction mixture, eg. The PUR, and over the surface structure e.g. also the degree of matt, edges and other structuring represented by the shape.
  • the tool mold is opened, and the component can be removed.
  • the RIM mold with the cavity for the polyurethane reaction mixture must be closed slightly longer than the injection mold so that the chemical reaction, between polyol and isocyanate in the PUR, can run off sufficiently.
  • the RIM mold is generally closed between 35-120 seconds.
  • the durations of the closed molds of both processes should be identical so that no process step has to wait for the other.
  • thermoplastic cavity Due to the required "waiting time" of the thermoplastic cavity for curing in the RIM cavity, undesirable cost increases occur which shrink the competitive advantage of the process compared to other production variants.
  • the substrate to be coated is placed in an injection mold part in the first step and sealed with a further mold part, wherein at least one cavity between a surface of the substrate and the further mold part a plastic material is injected, and then in at least one further cavity between a further surface of the injection molded part and a mold part of a RIM system, the two-component polyurethane reaction mixture is filled, according to the invention, the demolding of with the two-component polyurethane reaction mixture coated injection molded part prior to complete cross-linking of the surface of the coated with the two-component polyurethane reaction mixture surface, wherein the demolded coated component then under IR irradiation is cured.
  • the component does not cure in the RIM mold in the RIM cavity but by IR irradiation, identical cycle times can be achieved for both processes (thermoplastic process and RIM overpouring process).
  • the time for the curing of the reaction mixture can be shortened in the RIM tool mold over the prior art and thus the two process times are adapted to each other.
  • the RIM cavity is kept closed only until a demoldable but still very sensitive, because incompletely crosslinked PUR surface is obtained.
  • the component is then removed and placed on a machine unit (such as a conveyor belt, winding tower) or a component fixture in which the component is exposed to IR radiation for further curing.
  • the not yet fully cured component can then be removed from the RIM cavity, if after removal with the naked eye no demoulding disturbances on the surface are visible.
  • Such demolition-related disturbances may be, for example, demolding lines, frost patterns or even tears. If, however, such surface defects are to be recognized, the removal time for the subsequent curing under IR irradiation is too early.
  • the shortest removal time of the not yet fully cured surface of the component from the RIM cavity naturally depends, inter alia. can be easily determined based on the particular tool shape of the RIM tool, the surface of the tool mold, the tool mold coating, and the tool temperature, and based on the above information for each RIM mold and formulation of the two-component reaction mixture used.
  • the present invention also relates to a method for producing and coating an injection molded part with a two-component reaction mixture in which a plastic material is first injected into a cavity in a first mold of an injection molding machine for producing the injection molded part and then in at least one other cavity between A two-component polyurethane reaction mixture is introduced into the surface of the injection-molded part and a second mold part of a RIM system, wherein the demolding of the injection-molded part (component) coated with the two-component polyurethane reaction mixture takes place before complete crosslinking of the surface of the two-component polyurethane reaction mixture.
  • Component reaction mixture is carried out and the component is then cured outside the tool under IR irradiation.
  • the removal of the component of all variants of the present invention takes place from the tool mold by means of a robot or manually.
  • the coated component is transferred to a machine unit (such as a conveyor, handler, hoistway) or component fixture in which the component is exposed to IR radiation to facilitate or assist in further curing.
  • a machine unit such as a conveyor, handler, hoistway
  • component fixture in which the component is exposed to IR radiation to facilitate or assist in further curing.
  • IR radiation is electromagnetic waves in the spectral range between visible light and long-wave terahertz radiation in a spectral range between 780 nm and 1 mm.
  • Speed and length of the conveyor system or design of the component fixing and IR irradiation are chosen so that the two-component reaction mixture layer is sufficiently cured. At the end, the component is cooled and packaged accordingly.
  • the IR irradiation takes place by means of an emitting device, preferably a thermoreactor, a halogen lamp or an infrared lamp.
  • an emitting device preferably a thermoreactor, a halogen lamp or an infrared lamp.
  • any alternative IR emission source that enables the above-described cure can be used.
  • several radiation sources both of the same and of a different kind, can be used.
  • the IR radiation can be generated electrically, but also by chemical reactions or combustion processes (e.g., thermoreactor) or by physical processes (e.g., optical densification of natural radiation).
  • the dose, duration and energy input of the radiation acting on the component, the distance between the radiation source and the component to be cured and the cooling rate should be carefully chosen to obtain a cured component with very good surface properties.
  • the substrate to be inserted into the cavity of the mold of the injection molding machine, which is coated in the second step in the RIM system, may be a thermoplastic or a thermoset component.
  • a (possibly pre-formed) decorative film can be inserted into the injection mold and then the process as described above.
  • a plastic film can be fed and back-injected via a continuous process, as is common among others in the so-called IMD process and has been practiced for years. Both preprinted transparencies and transparencies can be used.
  • plastic films instead of the plastic films also metal foils or metal plates can be used.
  • substrates and metals for example, decorative trim in automobiles, but also in other applications, can be used.
  • glass, graphite, ceramic substrates and / or WPC substrates wood-plastic composite
  • glass, graphite, ceramic substrates and / or WPC substrates wood-plastic composite
  • the substrate may also be a fiber composite, lightweight component, such as composite.
  • a carbon fiber reinforced or glass fiber reinforced component which may either be preformed or obtained by the injection molding in the injection molding plant only the desired shape.
  • the substrate insert is a veneer shell, in particular for the automotive industry, a laminated veneer shell or a laminated veneer, a wood substrate, a wood veneer structure with various construction materials (veneer, laminating film, glue film, aluminum, fiber composite mat, etc.) in different order sequences, thicknesses and properties, which has a certain color and / or can have insulation or primer.
  • the substrate may be, for example, metal, plastic or glass.
  • the fiber-reinforced component consists of a fiber matrix or of continuous fibers.
  • an injection mold after injection and cooling of the plastic is opened and an injection mold with the injection molded part via a mechanism, in particular a indexable insert, sliding, turntable, Indexcardplattenmechanismus or mechanical component removal and Implementation on the plant facing a mold part of the RIM plant.
  • a mechanism in particular a indexable insert, sliding, turntable, Indexcardplattenmechanismus or mechanical component removal and Implementation on the plant facing a mold part of the RIM plant.
  • the polyurethane coating can be carried out directly on the thermoplastic surface produced in the first step in the RIM cavity of another tool molding.
  • the externally initiated by IR radiation post-drying can thus regardless of whether the injection molded part is the pure thermoplastic substrate or a hinterspritztes substrate (veneer, veneer mix, etc. including lamination, glue films, aluminum inserts, Kaschierfurnier, metal, glass, etc.) take place.
  • a hinterspritztes substrate vendor, veneer mix, etc. including lamination, glue films, aluminum inserts, Kaschierfurnier, metal, glass, etc.
  • the two-component reaction mixture is a 2-component polyurethane mixture which contains internal release agents and may be colorless, transparent, colored transparent or else pigmented or colored. Also, the two-component reaction mixture may otherwise contain conventional additives.
  • the reaction injection molding method can be carried out as a high pressure or low pressure reaction casting method.
  • the process according to the invention is independent of whether the injection molding of a combined injection molding RIM plant takes place on the same plant or on separate plants.
  • FIG. 1 shows a schematic representation of a wood veneer (substrate) in a mold part 15 of an injection molding machine
  • FIG. 2 shows a schematic representation of the wood veneer (substrate) in the tool part of an injection molding machine from FIG. 1, which is closed with a second tool part of the injection molding machine with a first cavity,
  • FIG. 3 shows the opened tool mold from FIG. 2 after back molding, without the first tool molding 15, FIG.
  • Figure 4 shows the closed mold in the RIM method
  • Figure 5 is a schematic representation of the removed component.
  • FIG. 1 shows a first mold part 15 of an injection molding machine into which a shaped substrate 11, for example a veneer shell 11, is inserted with the later visible side 12 facing the mold part 15.
  • a shaped substrate 11 for example a veneer shell 11
  • the first mold part 15 is closed with the second mold part 16 of the injection molding machine, wherein in the cavity 17 between a surface 13 of the veneer tray 11, namely the back 13 of the veneer tray 11, and the second mold part 16, a heated thermoplastic is injected until the cavity 17th the injection mold 15, 16 is completely filled with the thermoplastic.
  • the mold 15, 16 of the injection molding machine is opened by removing the first mold part 15 of the injection molding machine.
  • the injection molded part 14 with the substrate 11 firmly adhering thereto is now transferred together with the second mold part 16 into the RIM plant area, in which the injection molded part 14 with the substrate 11 in the mold part 16 now in the direction of the later visible side 12 with a tool mold half 25 of RIM system is closed (Fig. 4).
  • a cavity 27 Between the visible side 12 of the injection molded part 14 with the substrate 11 and the mold half 25 of the RIM system is also a cavity 27, in which now in the RIM system, the polyurethane resin 30 is filled and begins to crosslink.
  • the mold part 16 of the injection molding machine forms the second mold part to form the mold part 25 of the RIM system.
  • the mold 16, 25 is opened and the component 31, i. the back-coated with plastic and coated with polyurethane resin 30 veneer tray 11 and fed to an external IR irradiation (not shown).
  • the above method can also be done without inserting the substrate 11.
  • the injection molded part 14 (without substrate 11) is prepared analogously and then - as explained above - coated in the second step in the RIM system with the polyurethane resin 30 and the component 31 with the not yet completely cross-linked PUR coating then externally cured under IR irradiation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé pour le revêtement d'un substrat (11) par un premier matériau plastique et le revêtement consécutif par un mélange de polyuréthane à deux composants, dans lequel le substrat (11) à revêtir est placé, dans une première étape, dans une partie (15) d'outil et le substrat (11) est refermé par une autre partie (16) d'outil de l'outil de moulage par injection. Un matériau plastique est injecté dans au moins une cavité (17) entre une surface (13) du substrat (11) et l'autre partie (13) d'outil et un mélange de polyuréthane à deux composants est ensuite introduit dans au moins une autre cavité (27) entre une autre surface du substrat (11) revêtu de matériau plastique (pièce (14) moulée par injection) et une partie (25) d'outil d'une installation RIM (moulage par injection-réaction). Selon l'invention, le démoulage de la pièce (14) moulée par injection revêtue par le mélange de polyuréthane est réalisé avant la réticulation complète de la surface du mélange de polyuréthane et ladite pièce est ensuite durcie en dehors de l'outil par irradiation IR. L'invention concerne également un procédé pour la fabrication et le revêtement d'une pièce (14) moulée par injection par un mélange réactionnel à deux composants.
PCT/EP2016/067838 2015-12-10 2016-07-26 Procédé de revêtement d'un substrat WO2017097444A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE102015121567.5 2015-12-10
DE102015121567 2015-12-10
DE102015121561 2015-12-10
DE102015121561.6 2015-12-10
DE102015121614.0 2015-12-11
DE102015121614 2015-12-11
DE102016102207.1A DE102016102207A1 (de) 2015-12-10 2016-02-09 Verfahren zum Beschichten eines Substrats
DE102016102207.1 2016-02-09

Publications (1)

Publication Number Publication Date
WO2017097444A1 true WO2017097444A1 (fr) 2017-06-15

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Application Number Title Priority Date Filing Date
PCT/EP2016/067838 WO2017097444A1 (fr) 2015-12-10 2016-07-26 Procédé de revêtement d'un substrat

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WO (1) WO2017097444A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018115291A1 (de) * 2018-06-26 2020-01-02 Kraussmaffei Technologies Gmbh Verfahren zur Herstellung eines Verbundteils
DE102018128194A1 (de) * 2018-11-12 2020-05-14 Leonhard Kurz Stiftung & Co. Kg Verfahren zur Herstellung eines Bauteils sowie Spritzgießvorrichtung
CN116352959A (zh) * 2023-04-13 2023-06-30 天津岐塑科技有限公司 模具内喷涂成型生产的手机外壳、保护套

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0966348A1 (fr) * 1997-03-14 1999-12-29 The Dow Chemical Company Traitement de post-durcissement pour polyurethannes moules par injection et reaction
EP2176059A1 (fr) * 2007-08-03 2010-04-21 KrausMaffei Technologies GmbH Procédé et dispositif de fabrication d'un produit composite renforcé

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0966348A1 (fr) * 1997-03-14 1999-12-29 The Dow Chemical Company Traitement de post-durcissement pour polyurethannes moules par injection et reaction
EP2176059A1 (fr) * 2007-08-03 2010-04-21 KrausMaffei Technologies GmbH Procédé et dispositif de fabrication d'un produit composite renforcé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"HOCHWERTIGE PREMIUM-OBERFLAECHE AUS SPRITZGIESS- UND REAKTIONSTECHNIK", KUNSTSTOFFE, CARL HANSER VERLAG, MUNCHEN, DE, vol. 10, 1 January 2004 (2004-01-01), pages 180, XP001205066, ISSN: 0023-5563 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018115291A1 (de) * 2018-06-26 2020-01-02 Kraussmaffei Technologies Gmbh Verfahren zur Herstellung eines Verbundteils
US11318648B2 (en) 2018-06-26 2022-05-03 Kraussmaffei Technologies Gmbh Method for producing a composite part
DE102018128194A1 (de) * 2018-11-12 2020-05-14 Leonhard Kurz Stiftung & Co. Kg Verfahren zur Herstellung eines Bauteils sowie Spritzgießvorrichtung
CN116352959A (zh) * 2023-04-13 2023-06-30 天津岐塑科技有限公司 模具内喷涂成型生产的手机外壳、保护套

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