EP2155484A1 - Procédé de revêtement d'une pièce moulée en un produit mousse - Google Patents

Procédé de revêtement d'une pièce moulée en un produit mousse

Info

Publication number
EP2155484A1
EP2155484A1 EP08750050A EP08750050A EP2155484A1 EP 2155484 A1 EP2155484 A1 EP 2155484A1 EP 08750050 A EP08750050 A EP 08750050A EP 08750050 A EP08750050 A EP 08750050A EP 2155484 A1 EP2155484 A1 EP 2155484A1
Authority
EP
European Patent Office
Prior art keywords
foam
foam molding
film
films
molding
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.)
Withdrawn
Application number
EP08750050A
Other languages
German (de)
English (en)
Inventor
Christof MÖCK
Bernhard Vath
Lars Koppelmann
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to EP08750050A priority Critical patent/EP2155484A1/fr
Publication of EP2155484A1 publication Critical patent/EP2155484A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B2037/1269—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives multi-component adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249991—Synthetic resin or natural rubbers

Definitions

  • the invention relates to a method for coating a foam molding with a plastic film, characterized in that
  • Plastic film is mounted between the capsule wall and foam molding, b) the air in the chamber between the plastic film and foam molding is evacuated, c) the plastic film is thereby pressed onto the foam molding and during this pressing operation a vacuum is maintained.
  • the invention relates to coated foam moldings, which are accessible for the first time with this method and the use of the foam moldings.
  • Object of the present invention was therefore to find a method that allows a subsequent surface design of the foam moldings.
  • WO 01/032400 does not disclose whether and how foamed molded articles can be coated with this method.
  • the method described in WO 01/032400 is hereby incorporated by reference.
  • a and B simultaneously or preferably successively subjected to a vacuum.
  • a vacuum of less than 50 or preferably less than 30 mbar is set.
  • buckling of the film or premature contact of the film with the foam molding is prevented.
  • the process according to the invention is suitable for coating semirigid and, in particular, flexible foams which hitherto were not accessible to a coating with plastic film.
  • foams are understood as meaning foams according to DIN 7726. Under elastic
  • Foams are to be understood in the context of this invention foams according to DIN 7726, which after a short deformation by 50% of the thickness in accordance with DIN 53 577 after 10 minutes no permanent deformation over 2% of their initial thickness.
  • This may be a soft-elastic, or a semi-hard elastic foam.
  • a semi-hard elastic foam is understood to mean an elastic foam according to DIN 7726, which at 10% compression has a compressive stress of greater than 15 kPa and less than 80 kPa, measured in accordance with DIN 53421 / DIN EN ISO 604.
  • a soft elastic foam is understood to mean an elastic foam according to DIN 7726 which has a compressive stress of 15 kPa measured at 10% compression, measured in accordance with DIN 53421 / DIN EN ISO 604.
  • the molding is clamped in a makeshift frame throughout the process. If the frame is to remain in the finished coated foam molding, it is sprayed before coating with a corresponding adhesive, which is then activated in the coating process by the heat of the film. If the frame is to be removed after the coating, no adhesive is applied and the film is cut along the frame, preferably with a blade.
  • the adhesives used are preferably aqueous polyurethane-based systems. There are both one-component and two-component systems in question.
  • PU dispersions come into consideration, for example Jowapur® 150.50 may be mentioned here.
  • two-component adhesives combinations of PU dispersions such as Jowapur® 150.30 with isocyanates such as Jowat® 195.40 come into question.
  • adhesives based on acrylate or epoxy resin are also suitable for use.
  • a two-layer film with a primer based on styrene-butadiene-styrene copolymers on the bottom is suitable.
  • the use of an additional adhesive can generally be dispensed with.
  • Application of the adhesive may be by conventional methods such as brushing, rolling or spraying, with spraying being particularly preferred.
  • a drying time of 20 minutes at room temperature following the adhesive application is sufficient in the systems described.
  • foams such as polyurethanes such as Elastopor ® or Elastoflex® ® from. Elastogran GmbH, polystyrene foams such as Styropor ®, Neopor ®, styrofoam Major ® from. BASF SE, polypropylene foams such as Neopolen ® from. BASF SE and melamine formaldehyde resin foams (short melamine resin foam Basotect ® the brand.) made by BASF SE suitable. Melamine resin foams are particularly preferred. These flexible foams are generally open-cell foams. The foam moldings usually have sizes from DIN A4 to door size.
  • the foam layers can be up to 6 m long and usually have a thickness of 50-2000 mm.
  • Open-cell foams made of melamine-formaldehyde polycondensation plastics have excellent sound absorption capacity and excellent thermal insulation properties.
  • foamed plastics are characterized by fire safety and high heat resistance. The low volume weight complements this attractive property profile.
  • the use in transportation for example in the automotive industry, in rail vehicles and in shipbuilding entails that the melamine resin foam comes into contact with liquid media, for example in the form of lubricating oil, condensation or rainwater.
  • liquid media for example in the form of lubricating oil, condensation or rainwater.
  • the foam Due to its open-cell character and the sorption behavior of the base product, the melamine resin, the foam can absorb large quantities of liquid. In direct contact with water sucks the melamine resin foam fully, such as a
  • the weather resistance and the feel of foam moldings can be significantly improved by the coating with plastic films.
  • Suitable plastic films are, in particular, polyvinyl chloride, styrene copolymers, polypropylene, polyvinylidene fluoride, thermoplastic polyurethane (TPU) and polymethyl methacrylate (PMMA). Due to their weather resistance, styrene copolymers such as SAN, AMSAN and in particular ASA have proved suitable for outdoor applications in particular. For example, in the case of the ASA copolymer, the film may be modified by 0.5-30% by weight of a thermoplastic elastomer.
  • thermoplastic elastomer classes include: TPE-O (olefin-based thermoplastic elastomers, predominantly PP / EPDM), TPE-V (olefin-based cross-linked thermoplastic elastomers, predominantly PP / EPDM), TPE-U (urethane-based thermoplastic elastomers), TPE E (thermoplastic copolyester) TPE-S (styrene Block copolymers such as SBS, SEBS, SEPS, SEEPS, MBS) and TPE-A (thermoplastic copolyamides, eg PEBA).
  • TPE-O olefin-based thermoplastic elastomers, predominantly PP / EPDM
  • TPE-V olefin-based cross-linked thermoplastic elastomers, predominantly PP / EPDM
  • TPE-U urethane-based thermoplastic elastomers
  • TPE E thermoplastic copolyester
  • TPE-S styrene Block
  • the films used have a thickness between 50 and 750 .mu.m, preferably between 100 and 500 .mu.m and particularly preferably between 200 and 350 .mu.m. They may be prepared from the corresponding granular precursors by the known film production processes, the extrusion process being preferred for cast film production.
  • the films may have been corona treated on one or both sides.
  • the coated foam moldings can be advantageously used in the construction sector.
  • the moldings according to the invention come as ceiling and wall coverings in question.
  • the foam moldings Due to their low weight and simple surface design, the foam moldings are still very well suited for trade fair construction. Partitions, room dividers, stage designs can be created very easily in the lightweight construction.
  • the foam moldings according to the invention are outstandingly suitable for laminating, for example, cable ducts, roller shutter boxes and curtain suspensions.
  • the moldings can be quickly adapted to the given requirements, for example, by cutting, Flexen, etc., and since they are flexible fit into the respective recess. This process is reversible and in many cases does not require additional support.
  • Open-celled foams are usually ideal for upholstering, for example, seating, mattresses, mats.
  • a corresponding plastic film such as artificial leather can give an attractive appearance.
  • the padding can be used to increase safety in road traffic, for example in the field of pedestrian protection in vehicles.
  • front spoiler of vehicles can be equipped with the foam moldings.
  • the lining of the walls of gymnasiums as well as garages, multi-storey car parks and crash barriers should be considered.
  • the wall can be reinforced accordingly to prevent damage to the vehicle when, for example, parking.
  • one-sided substrate to be coated is a soft foam molding of Basotect ®, a commercially available melamine-formaldehyde resin foam was BASF SE employed.
  • the molding was 29 cm long, 21 cm wide and 5 cm high.
  • the adhesive was first applied.
  • the adhesive used was an aqueous two-component system (consisting of binder and hardener) based on polyurethane, which was prepared immediately before application by mixing the two individual components. To obtain a homogeneous mixture, the mixture was stirred at room temperature for at least 3 minutes using a KPG stirrer.
  • the adhesive was applied to one of the two surfaces of the molding with the aid of a Waisther-Pilot spray gun in an amount of about 80 g / m 2 .
  • the molding was allowed to dry for 20 minutes at room temperature.
  • the molded part was placed in a matching wooden frame (wall thickness 2 cm), which exactly enclosed the outer edges of the molded part.
  • the molded part fixed in the frame was now fixed in the coating capsule, wherein the plastic film to be applied between capsule wall and molding was attached.
  • the sprayed with adhesive surface of the molding showed it on the plastic film.
  • the plastic film was a 250 micron thick, white pigmented film of Luran ® S, the ASA commercially available from BASF SE - used copolymer. Subsequently, in the capsule, the two separate chambers between the foam molding and film (chamber A) and between the film and the capsule wall

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un procédé de revêtement d'une pièce moulée en un produit mousse par un film de matière plastique, caractérisé en ce que a) ladite pièce moulée en un produit mousse est disposée et fixée dans une capsule, le film de matière plastique étant appliqué entre la paroi de la capsule et la pièce moulée en un produit mousse, b) le vide d'air est effectué dans la chambre entre le film de matière plastique et la pièce moulée en un produit mousse, c) le film de matière plastique est pressé sur la pièce moulée en un produit mousse, le vide étant maintenu pendant ce processus de pressage. L'invention concerne en outre les pièces moulées en un produit mousse obtenues pour la première fois au moyen de ce procédé, ainsi que l'utilisation desdites pièces moulées en un produit mousse.
EP08750050A 2007-05-08 2008-05-05 Procédé de revêtement d'une pièce moulée en un produit mousse Withdrawn EP2155484A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08750050A EP2155484A1 (fr) 2007-05-08 2008-05-05 Procédé de revêtement d'une pièce moulée en un produit mousse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07107726 2007-05-08
EP08750050A EP2155484A1 (fr) 2007-05-08 2008-05-05 Procédé de revêtement d'une pièce moulée en un produit mousse
PCT/EP2008/055491 WO2008135552A1 (fr) 2007-05-08 2008-05-05 Procédé de revêtement d'une pièce moulée en un produit mousse

Publications (1)

Publication Number Publication Date
EP2155484A1 true EP2155484A1 (fr) 2010-02-24

Family

ID=39494679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08750050A Withdrawn EP2155484A1 (fr) 2007-05-08 2008-05-05 Procédé de revêtement d'une pièce moulée en un produit mousse

Country Status (5)

Country Link
US (1) US20100310844A1 (fr)
EP (1) EP2155484A1 (fr)
JP (1) JP5356370B2 (fr)
CN (2) CN101674932A (fr)
WO (1) WO2008135552A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016085984A1 (fr) 2014-11-25 2016-06-02 Polymer Technologies, Inc. Isolation en mousse ayant un revêtement de film thermoformable et procédé pour la fabrication
JP6532493B2 (ja) * 2017-01-30 2019-06-19 株式会社広栄社 洗えるメラミンフォームとその製造方法
EP3640287A1 (fr) * 2018-10-16 2020-04-22 Röhm GmbH Mousses de polyméthacrylate-amide de polyéther séquencé
EP4417644A1 (fr) 2023-02-17 2024-08-21 Basf Se Absorbeurs de son pour salle blanche

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739642A1 (de) * 1976-09-02 1978-03-09 Richard William Stamper Verkleidung fuer fahrzeuge und verfahren zu ihrer herstellung
DE4115839C1 (fr) * 1991-05-15 1992-05-27 Guenter 7441 Kohlberg De Klauss

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US3234065A (en) * 1961-01-09 1966-02-08 Best Plastic Container Corp Method of laminating plastic film to plastic foam and of drawing the same, and foam-film laminates
US4025974A (en) * 1972-01-10 1977-05-31 Lea James M Air mattress and method of making the same
DE7637031U1 (fr) * 1976-11-25 1977-03-10 Fa. Willi Illbruck, 5090 Leverkusen
DE3507667A1 (de) * 1985-03-05 1987-08-27 Irbit Research & Consulting Ag Vorrichtung zum ueberziehen von schaumstoffplatten
DE3622906A1 (de) * 1986-07-08 1988-01-28 Helmut W Diedrichs Schaumstoffkoerper und verfahren und vorrichtung zu seiner herstellung
JPH101554A (ja) * 1996-06-18 1998-01-06 Nisshinbo Ind Inc 撥油性に優れたメラミン系樹脂発泡体
DE19801651A1 (de) * 1998-01-15 1999-07-22 Bayerische Motoren Werke Ag Verfahren zum Aufkaschieren einer Kunststoff-Folie auf die Rückseite eines danach zu hinterschäumenden Dekormaterials
JP3398836B2 (ja) * 1998-01-19 2003-04-21 勤 中山 パネル製造装置
DE60004392T2 (de) * 1999-11-02 2004-06-24 Richard Warrington Castlemorton George Verfahren und vorrichtung zum warmformen von kunststofffolien
US6764570B2 (en) * 2001-08-27 2004-07-20 Chun-Hsien Lee Method and apparatus for bonding a coating to a web of cloth or foam
CN2530801Y (zh) * 2001-10-15 2003-01-15 王宝瑞 塑料发泡复合材料
EP1405872A1 (fr) * 2002-10-03 2004-04-07 Atofina Utilisation d'un film à base de PVDF, de PMMA ou leur mélange pour recouvrir des objets en matériau thermodur
JP2004299146A (ja) * 2003-03-31 2004-10-28 Matsushita Electric Ind Co Ltd 積層装置および積層方法
US20050025929A1 (en) * 2003-07-28 2005-02-03 Smith Lance D. Sandwich panel with interior barrier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739642A1 (de) * 1976-09-02 1978-03-09 Richard William Stamper Verkleidung fuer fahrzeuge und verfahren zu ihrer herstellung
DE4115839C1 (fr) * 1991-05-15 1992-05-27 Guenter 7441 Kohlberg De Klauss

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008135552A1 *

Also Published As

Publication number Publication date
WO2008135552A1 (fr) 2008-11-13
JP2010529911A (ja) 2010-09-02
JP5356370B2 (ja) 2013-12-04
CN104669693A (zh) 2015-06-03
CN101674932A (zh) 2010-03-17
US20100310844A1 (en) 2010-12-09

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