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WO2016023760A1 - Substrat pourvu d'un revêtement et procédé de fabrication de celui-ci - Google Patents

Substrat pourvu d'un revêtement et procédé de fabrication de celui-ci Download PDF

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Publication number
WO2016023760A1
WO2016023760A1 PCT/EP2015/067480 EP2015067480W WO2016023760A1 WO 2016023760 A1 WO2016023760 A1 WO 2016023760A1 EP 2015067480 W EP2015067480 W EP 2015067480W WO 2016023760 A1 WO2016023760 A1 WO 2016023760A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating agent
substrate
coating
applying
wet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2015/067480
Other languages
German (de)
English (en)
Inventor
Michael Scheinflug
Klaus Popp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lisa Draexlmaier GmbH
Original Assignee
Lisa Draexlmaier GmbH
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
Application filed by Lisa Draexlmaier GmbH filed Critical Lisa Draexlmaier GmbH
Priority to MYPI2017000184A priority Critical patent/MY180617A/en
Priority to CN201580043462.4A priority patent/CN106660070B/zh
Priority to EP15752950.4A priority patent/EP3180134B1/fr
Publication of WO2016023760A1 publication Critical patent/WO2016023760A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0209—Multistage baking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/101—Pretreatment of polymeric substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer

Definitions

  • the present invention relates to a process for producing a coated substrate by applying at least one coating agent to the substrate comprising a plastic selected from a group consisting of polyethylene (PE), polypropylene (PP), thermoplastic polyolefins (TPO) or mixtures from this, as well as a corresponding plastic component.
  • a plastic selected from a group consisting of polyethylene (PE), polypropylene (PP), thermoplastic polyolefins (TPO) or mixtures from this, as well as a corresponding plastic component.
  • the invention further relates to an apparatus for producing the coated substrate by applying at least one coating agent to the substrate.
  • plastics account for between 15 and 20 percent by weight and are increasing in automotive engineering. These are often exterior and interior parts, which receive their corresponding visual, haptic and functional properties through a paint job.
  • the trend towards fewer coating steps, for example with filler-less coating systems, is also very popular with plastic attachments.
  • the elimination of intermediate drying reduces energy consumption and at the same time reduces material consumption and solvent emissions. In addition, less
  • Corresponding paint solutions are available, inter alia, for glossy, injection-molded interior parts, for example trim strips, of an ABS-PC blend (ABS: acrylonitrile-butadiene-styrene, PC: polycarbonate).
  • ABS-PC blend ABS-PC blend
  • the varnish provides a noble, high-gloss surface with a single-layer varnish structure.
  • solvent-based and water-based paints are used for the coating of plastics.
  • Solvent-based UV dual-cure systems have also been used for several years. They allow good matting and metallic shades. However, not all metallic shades can be produced with UV varnishes.
  • High-gloss surfaces are produced with solvent-based UV dual-cure clearcoats in the structure with basecoats.
  • Increasingly used for KunststoffStofflacktechnik are both 100% UV clearcoats with piano lacquer optics and 2K dual-cure systems, the former having significantly higher chemical resistance properties.
  • Dual-cure is the combined cure by heat and actinic radiation.
  • Dual-cure coating materials and methods and devices for their curing with actinic radiation, in particular UV radiation are known from the German patent applications DE 198 18 735 AI, DE 42 15 070 AI, DE 199 30 665 AI, DE 199 30 067 AI, DE 199 30 664 AI, DE 199 24 674 AI or DE 199 20 799 AI known. They serve for the production of coatings, in particular of clearcoats and color and / or effect multicoat paint systems.
  • the curing with actinic radiation is carried out mainly with UV radiation.
  • the binder components contained thereby have different functional groups which under appropriate conditions i.d.R. independently network with each other.
  • Conventional dual-cure systems belonging to the prior art have radiation-curable and thermally curable groups, with particularly advantageous properties being achieved when using isocyanate and hydroxyl groups as thermally crosslinking functions.
  • EP 1 419 015 discloses a process for the preparation of coatings of thermally and actinic radiation curable coating materials comprising: A) the coating materials on primed or unprimed substrates or uncured, partially cured and / or fully cured coating layers thereon applied and B) the resulting layers of the coating materials cured by itself or together with the uncured and / or partially cured coating layers thermally and with actinic radiation, wherein the curing is carried out with actinic radiation under an oxygen-depleted atmosphere.
  • the object of the present invention is thus to provide a simplified process for producing a coated polyethylene (PE), polypropylene (PP), or thermoplastic polyolefins (TPO)
  • PE coated polyethylene
  • PP polypropylene
  • TPO thermoplastic polyolefins
  • Another object of the invention is to provide a corresponding coating apparatus and a coated plastic component obtained by the method.
  • This object is achieved according to the method by the following steps: a- wet cleaning of the untreated substrate;
  • a second coating agent which is curable thermally and by actinic radiation (dual-cure); e-heating or drying the coated substrate, wherein a polyaddition occurs;
  • a particular advantage of the invention is that in the proposed method, the step of activating the substrate is entirely dispensed with.
  • Activation units flame treatment, plasma
  • associated fire protection measures and operating costs associated fire protection measures and operating costs.
  • Polyethylene (PE), polypropylene (PP), or thermoplastic polyolefin (TPO) plastic substrate may be filled or unfilled.
  • thermoplastic polyolefins one-, two-, and one-half can be activated without activation
  • Three-layer structures made of dual-cure, 2K or 1K systems are provided, which meet the requirements of automobile manufacturers, for example, for painted interior ⁇ KunststoffStoffbaumaschine polypropylene.
  • the first coating agent in step b preferably contains at least one 1K or 2K hydroprimer or a solvent primer and / or UV-2K dual-cure primer.
  • the second coating composition contains a hydrosol, preferably at least one UV-2K Dualcure hydro lacquer.
  • the combination of 1K or 2K solvent and / or hydroprimer and / or UV / 2K dualcure primer with UV / 2K Dualcure hydro lacquer systems on substrates of PP and TPO can in combination with ABS, ABS mod. PC, PC ABS, PC, PMMA for painted interior components.
  • An activation unit, e.g. with flame or plasma is not required.
  • UV / 2K-Hydro-Dualcure clearcoats with 1K or 2K-solvent and hydroprimer and / or 2K-basecoats and / or UV / 2K-Dualcure hydro lacquer systems also enables the generation of a wide product range with matt, semi-glossy or high-gloss surfaces.
  • the surface of the substrate or plastic is not activated according to the invention before the application of the first coating agent.
  • Gas phase fluorination can be used primarily for the cleaning of thin organic contaminants with simultaneous activation of the surface. This dual function is based on a physical and chemical reaction of the process. As a result, in addition to a clean surface, the increase of the surface tension or surface energy is achieved in order to create optimum conditions for the subsequent painting process.
  • ToF-SIMS secondary ion mass spectrometry
  • the first coating agent and / or the second coating agent preferably contains at least one UV
  • Coating is effectively protected against UV radiation, especially from sunlight. Sunlight-exposed varnish embrittles significantly slower and gives a longer shelf life.
  • the first coating agent and / or the second coating agent preferably contains at least one adhesion additive or a binder in order to improve the adhesion of the paint to the substrate.
  • the adhesive additive or binder includes, for example, pigments and resins.
  • the plastic-coated plastic substrate component obtained by a method described above has the first coating agent a layer thickness of 10-30 ⁇ m, preferably 15 ⁇ m, and / or the second coating composition a layer thickness of 3-20 ⁇ m, preferably 15-40 ⁇ m, particularly preferably 25 ⁇ m. 30 pm up.
  • the second coating agent preferably has a layer thickness of from 3 to 20 ⁇ m Coating transparent substrates, especially in conjunction with polycarbonate, on.
  • the device according to the invention for producing a coated substrate by applying at least one coating agent to the substrate which comprises a plastic which is selected from a group consisting of polyethylene (PE), polypropylene (PP), thermoplastic polyolefins (TPO) or mixtures thereof a washing device for alkaline wet cleaning of the non-activated substrate; a downstream adhesive water dryer with cooling zone; a first painting device having a region for applying a first coating agent and a downstream second coating device having a region for applying a second coating composition, which comprises at least one heat-and-actinic radiation (dual-cure) hydrostatic coating, wherein an intermediate drying and / or cooling zone is arranged between the first painting device and the second painting device; and one of the first and second painting device downstream irradiation unit with actinic radiation.
  • a plastic which is selected from a group consisting of polyethylene (PE), polypropylene (PP), thermoplastic polyolefins (TPO) or mixtures thereof
  • the first coating device is preferably suitable for applying a first coating composition which contains at least one 1K or 2K hydroprimer or solvent primer and / or UV-2K dual-cure hydroprimer.
  • the second painting device is preferably suitable for applying a second coating composition which contains at least one UV-2K dual-cure hydro lacquer.
  • the intermediate drying and / or cooling zone is designed for drying temperatures of 20-90 ° C.
  • the following examples show, in tabular form, various paint vehicles consisting of hydro-primer as the first coating agent and basecoat or protective paint as the second coating agent on flamed and non-marred substrates.
  • the coatings generally have a 1K Primer with UV Dualcure Topcoat or a 1K Primer with 2K Topcoat or UV Hydro-Dualcure Topcoats.
  • Untreated PP as a substrate shows the sole use of 1K-, 2K-, etc. Hydro lacquers insufficient underground adhesion, whereby the coatings can be completely removed from the substrate. Solvent-based paints also adhere less well without pretreatment.
  • UV / 2K-Dualcure topcoats are for decor, soft, comfort, any color tones for interior, exterior, such as black, beige, red, silver, chrome, contrast anthracite, titanium, etc., matte, semi-gloss and piano black, Pianowhite and high gloss.
  • UV / 2K clearcoats are high gloss, semi-gloss and matt, common shades are possible.
  • Fig. La, b is a schematic representation of two
  • Lacquering devices from the prior art for interior components in the wet / wet process ( Figure la) or with intermediate drying after priming ( Figure lb).
  • Fig. 2 is a schematic representation of a
  • FIG. 3 is a schematic representation of a
  • Fig. 4 is a schematic representation of a
  • Fig. 5 is a schematic representation of a
  • FIG. 1 shows two prior art coating devices for interior components of acrylonitrile-butadiene-styrene (ABS) copolymer, ABS-modified polycarbonate (PC), polycarbonate (PC), polymethylmethacrylate (PMMA) or mixtures thereof, in the wet / wet process ie without intermediate drying (FIG. 1 a) in the dryer 8, or with intermediate drying after priming in the first painting booth 6 (FIG. 1 b).
  • ABS acrylonitrile-butadiene-styrene
  • PC polycarbonate
  • PMMA polymethylmethacrylate
  • the decorative soft lacquer is applied wet in wet in two applications. There is no interim drying, but only a flash off for 7-10 min at 20 ° - 26 ° C and 55 ⁇ 5% relative humidity.
  • a primer with or without intermediate drying is applied to the primer.
  • the application of 2K Hydro Topcoat for interior paints, decor, soft and effect paints such as metallic, silver, chrome, etc. takes place.
  • an alkaline wet cleaning 1 is equivalent to two degreasing zones in two rinse zones as well then rinse with demineralised water.
  • a blowing zone 2 with an adhesive water dryer 3.
  • plastic components which are not made of acrylonitrile-butadiene-styrene (ABS) copolymer, ABS-modified polycarbonate (PC), polycarbonate (PC), polymethyl methacrylate (PMMA) or mixtures thereof, after the adhesive water dryer 3 an activation device (not shown ) intended.
  • ABS-modified polycarbonate PC
  • PC polycarbonate
  • PMMA polymethyl methacrylate
  • a drive-through area 5 in front of the first 6 and second 11 spray booth. Before the drive-through area 5 to the first painting booth 6 is a first cooling zone. 4
  • the second paint booth is a Abdunstzone 12 arranged with the final paint drier 13, in which the fully coated substrate is dried at 80 ° C for 30 min.
  • the now painted component arrives in the extension area 15 and also in the parts removal control 17, as well as the parts task 18 and the placement area 19.
  • the decorative soft lacquer is intermediately dried in two jobs in the primer dryer 8, which is preceded by an evaporation zone 7, after priming in the first painting booth 6 (FIG. 1 b).
  • a control zone 10 is arranged between the paint booths, in which the flash-off takes place.
  • the second spray booth is a Abdunstzone 12 with the final Paint drier 13 downstream, in which the fully coated substrate is dried at 80 ° C for 30 min.
  • the now painted component arrives in the extension area 15 and also in the parts removal control 17, as well as the parts task 18 and the placement area 19.
  • FIG. 2 shows a schematic representation of a coating device according to the invention for plastic components, in particular interior components containing polyethylene (PE), polypropylene (PP), thermoplastic polyolefins (TPO) or mixtures thereof in the wet / wet process.
  • PE polyethylene
  • PP polypropylene
  • TPO thermoplastic polyolefins
  • the substrates used are PP, TPO without activation, optionally in combination with ABS, ABS mod., PC ABS, PC or PMMA.
  • the combination of 1K or 2K solvent and / or hydroprimer and / or UV / 2K dualcure primer with UV / 2K Dualcure hydro lacquer systems on substrates of PP and TPO can, also in combination with ABS, ABS mod. PC, PC ABS, PC, PMMA for all painted interior components.
  • a complex and expensive activation unit, eg with flame or plasma is not required. This not only eliminates Investment costs for the activation units when retrofitting or upgrading existing paint shops, but also the fire protection measures and operating costs associated with the activation units (flame treatment, plasma).
  • the lacquering process can in principle also be carried out "wet on wet” (FIG. 2) or with intermediate drying in the primer dryer 8 (FIG. 3) of the adhesion-promoting layer.
  • the UV / 2K Dualcure - Hydrobase paints are applied for interior paints, decor, soft and effect paints such as metallic, silver, chrome, etc.
  • the devices according to the invention additionally have a UV radiator unit 16 compared to the prior art, which is preferably arranged in the system area between the final cooling zone 14 and the extension area 15.
  • the coating device according to the invention for producing a coated substrate is thus characterized in particular by the combination of a washing device for alkaline wet cleaning 1 of the non-activated substrate, a downstream adhesive water dryer 3 with cooling zone 4, a first coating device 6 for applying a first coating agent and a downstream second Painting device 11 for applying a second coating agent, which has at least one cured by dual-cure hydro paint from.
  • a washing device for alkaline wet cleaning 1 of the non-activated substrate a downstream adhesive water dryer 3 with cooling zone 4
  • a first coating device 6 for applying a first coating agent
  • a downstream second Painting device 11 for applying a second coating agent, which has at least one cured by dual-cure hydro paint from.
  • an intermediate drying and / or evaporation zone 7, 8 is arranged between the first painting device and the second painting device and one of the second painting device 11 downstream irradiation unit 16 with actinic radiation.
  • FIG. 4 shows, analogously to FIG. 2, a schematic representation of a coating device in the wet / wet process for clearcoats.
  • the painting process can basically also be carried out "wet on wet” (FIG. 4) or as a two-layer structure with intermediate drying 8 (FIG. 5) of the adhesion-promoting layer.
  • intermediate drying 8 a flash-off is likewise carried out for 7-10 minutes at 24 ° -26 ° C. and 55 ⁇ 5% relative humidity.
  • UV-Hydro clearcoat e.g. matt, semi-gloss or high gloss.
  • UV lamps for UV / 2K Dualcure Hydrobasislacke are preferably iron-doped emitters, for clearcoat systems mercury-doped UV emitters in question.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)

Abstract

L'invention concerne un procédé de production d'un substrat, pourvu d'un revêtement, par application d'au moins une composition de revêtement sur le substrat qui contient une matière plastique qui est choisie dans un groupe comportant le polyéthylène (PE), le polypropylène (PP), les polyoléfines thermoplastiques (TPO) ou des mélanges de ceux-ci, le procédé comprenant les étapes consistant à : a) nettoyer par voie humide le substrat non traité; b) appliquer une première composition de revêtement; c) effectuer un séchage intermédiaire ou un traitement humide/humide du substrat revêtu de la première composition de revêtement; d) appliquer une seconde composition de revêtement qui peut être durcie thermiquement et par un rayonnement actinique (Dual-cure); e) chauffer ou sécher le substrat revêtu de façon à effectuer une polyaddition; et f) irradier le substrat revêtu avec un rayonnement actinique de façon à déclencher une polymérisation.
PCT/EP2015/067480 2014-08-11 2015-07-30 Substrat pourvu d'un revêtement et procédé de fabrication de celui-ci Ceased WO2016023760A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
MYPI2017000184A MY180617A (en) 2014-08-11 2015-07-30 Coated substrate and method for its production
CN201580043462.4A CN106660070B (zh) 2014-08-11 2015-07-30 被覆基材及其制造方法
EP15752950.4A EP3180134B1 (fr) 2014-08-11 2015-07-30 Procédé de fabrication d'un substrat pourvu d'un revêtement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014111415.9 2014-08-11
DE102014111415.9A DE102014111415A1 (de) 2014-08-11 2014-08-11 Beschichtetes substrat und verfahren zu dessen herstellung

Publications (1)

Publication Number Publication Date
WO2016023760A1 true WO2016023760A1 (fr) 2016-02-18

Family

ID=53887079

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/067480 Ceased WO2016023760A1 (fr) 2014-08-11 2015-07-30 Substrat pourvu d'un revêtement et procédé de fabrication de celui-ci

Country Status (5)

Country Link
EP (1) EP3180134B1 (fr)
CN (1) CN106660070B (fr)
DE (1) DE102014111415A1 (fr)
MY (1) MY180617A (fr)
WO (1) WO2016023760A1 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN115318582A (zh) * 2022-09-19 2022-11-11 安徽铂优新材料有限公司 一种铜线光固化自动涂覆生产线设备
WO2025168513A1 (fr) * 2024-02-05 2025-08-14 Sabic Global Technologies B.V. Procédé de production d'une pièce en polyoléfine, pièce en polyoléfine et utilisation associée

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FR1391881A (fr) * 1961-11-24 1965-03-12 Dow Chemical Co Procédé perfectionné de revêtement d'articles en résine synthétique
GB1041893A (en) * 1963-09-18 1966-09-07 Union Verpackungs Gmbh Method and apparatus for the production of a sheet material comprising a polypropylene layer and a polyethylene layer
WO1992002573A1 (fr) * 1990-08-10 1992-02-20 E.I. Du Pont De Nemours And Company Agents bloquant les solvants et revetements de barrages multicouches pour couches minces
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115318582A (zh) * 2022-09-19 2022-11-11 安徽铂优新材料有限公司 一种铜线光固化自动涂覆生产线设备
WO2025168513A1 (fr) * 2024-02-05 2025-08-14 Sabic Global Technologies B.V. Procédé de production d'une pièce en polyoléfine, pièce en polyoléfine et utilisation associée

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EP3180134A1 (fr) 2017-06-21
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MY180617A (en) 2020-12-03
EP3180134B1 (fr) 2020-09-02
CN106660070A (zh) 2017-05-10

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