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WO2004082938A1 - Procede de separation de corps composites - Google Patents

Procede de separation de corps composites Download PDF

Info

Publication number
WO2004082938A1
WO2004082938A1 PCT/EP2003/014885 EP0314885W WO2004082938A1 WO 2004082938 A1 WO2004082938 A1 WO 2004082938A1 EP 0314885 W EP0314885 W EP 0314885W WO 2004082938 A1 WO2004082938 A1 WO 2004082938A1
Authority
WO
WIPO (PCT)
Prior art keywords
foam
liquid
layer
leather
core
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/EP2003/014885
Other languages
German (de)
English (en)
Inventor
Erika Mense
Hubert Mense
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.)
Hma Automotive Consulting und Development GmbH
Original Assignee
Hma Automotive Consulting und Development 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 Hma Automotive Consulting und Development GmbH filed Critical Hma Automotive Consulting und Development GmbH
Priority to EP03816339A priority Critical patent/EP1622767A1/fr
Priority to AU2003296733A priority patent/AU2003296733A1/en
Publication of WO2004082938A1 publication Critical patent/WO2004082938A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • B32B43/006—Delaminating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • 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
    • B29C63/0004—Component parts, details or accessories; Auxiliary operations
    • B29C63/0013—Removing old coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • 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
    • B29C2035/0855—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 microwave
    • 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
    • B29C35/0261—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using ultrasonic or sonic vibrations
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • B29K2313/00—Use of textile products or fabrics as reinforcement
    • 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
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/44—Furniture or parts thereof
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
    • 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
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/028—Treatment by energy or chemical effects using vibration, e.g. sonic or ultrasonic
    • 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
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/08—Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0806—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
    • B32B2310/0862—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using microwave
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/08—Natural leather
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • Composite bodies of the type mentioned are widely used e.g. used in the automotive industry, the furniture industry or the consumer goods industry.
  • automotive industry i.a. Seat and back elements, headrests but also covers, cladding, center consoles or dashboards manufactured as a composite body.
  • the composite bodies described above are often produced by the so-called back-foaming technology.
  • the mostly pre-treated upholstery fabrics or preformed plastic outer skins are placed in a foam mold following the reference contour and back-foamed with a foam plastic.
  • the lamination produced in this way forms a separating layer which prevents the foam which has been introduced during the subsequent back-foaming from penetrating through the cover material.
  • a firm connection between cover, lamination and foam core is achieved even without separate fastening elements.
  • Such composite bodies are currently being recycled by tearing and flocculating the entire part, the flakes consisting of foam, laminated foam and fabric articles. If seat heating made of stainless steel wire or seat occupancy detection mats in a mix of copper wire and polycarbonate plastic are then inserted under the covers, the flakes may also be contaminated with these materials.
  • the flake mix obtained in this way is currently pressed under pressure with the addition of adhesives into blocks and processed into parts such as acoustic and absorption parts. After this part life has ended, recycling is only possible thermally due to the high level of contamination.
  • cover materials are often flame-laminated with a cut foam layer and a fabric layer applied to the back of the poster carrier, which is usually made of polyurethane.
  • a fabric layer applied to the back of the poster carrier, which is usually made of polyurethane.
  • the object of the invention is to provide a method which enables a simple and as far as possible sorting of foam and cover or outer layer in the case of foam-backed parts and laminated fabrics.
  • a liquid preferably water
  • the entire composite body is then subjected to a microwave or ultrasonic wave treatment.
  • the wave treatment causes the liquid introduced to vibrate so large that the connection between the outer layer or the outer shell and the inner foam layer or the foam core can be released in a simple manner. Such an effect cannot be achieved with such high efficiency by normal heat treatment or by steam.
  • This process is particularly well suited for removing upholstery fabrics from foam-backed parts or laminated fabrics.
  • the method can be used, for example, for a headrest covered with fabric, leather or synthetic leather or for a cushion part of a motor vehicle.
  • the liquid can expediently be introduced by spraying the composite body with the liquid, which can then penetrate to the transition area.
  • the composite body can also be immersed in the liquid.
  • the liquid can be introduced or injected by needle puncture.
  • the liquid can be introduced from the front or back of the outer layer or outer shell. Water can advantageously be used as the liquid, to which additional minerals can be added.
  • the process is described using the example of a component covered with a textile cover fabric and manufactured using the back-foaming process, e.g. a headrest or a cushion part of a motor vehicle.
  • the component is first sprayed on the outside with a fine water mist (approx. 3 bar). The water is absorbed by the fabric cover and sinks to the transition area between the cover fabric and the lamination foam. After a specified exposure time, the entire foam-backed component is exposed to microwave radiation of approximately 200 to 1000 watts. After this treatment, the fabric cover can be removed from the upholstery carrier with almost no foam particles.
  • the water or another suitable liquid can be brought into the transition area between foam and leather using the finest needle puncture. This can be done from the front (piercing the leather) as well as from the rear (piercing the foam).
  • the vibrations used for the separation can also be generated by an ultrasonic sound generator, such as an ultrasonic sonotrode.
  • the invention is not limited to the separation of foam and fabric or leather described above with foam-backed parts and laminated fabrics. It can be used wherever a sort-free separation of composite bodies with a core or an inner layer of foam and an outer layer or an outer shell made of textile material, leather, synthetic leather or plastic is to be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé de séparation de corps composites qui présentent au moins une couche intérieure ou un noyau en mousse et une enveloppe ou couche extérieure en matière textile, en plastique, en cuir synthétique ou en cuir recouvrant au moins partiellement la couche de mousse ou le noyau en mousse. L'objectif de cette invention est de parvenir à une séparation simple et la plus sélective possible du corps composite. A cet effet, un fluide est introduit dans la zone de transition entre la couche intérieure ou le noyau et la couche extérieure ou l'enveloppe. Ensuite, ce corps composite est soumis à un traitement par micro-ondes ou par ultrasons.
PCT/EP2003/014885 2003-03-22 2003-12-24 Procede de separation de corps composites Ceased WO2004082938A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03816339A EP1622767A1 (fr) 2003-03-22 2003-12-24 Procede de separation de corps composites
AU2003296733A AU2003296733A1 (en) 2003-03-22 2003-12-24 Method for the separation of composite bodies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003112953 DE10312953B4 (de) 2003-03-22 2003-03-22 Verfahren zum Trennen von Verbundkörpern
DE10312953.7 2003-03-22

Publications (1)

Publication Number Publication Date
WO2004082938A1 true WO2004082938A1 (fr) 2004-09-30

Family

ID=32946085

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/014885 Ceased WO2004082938A1 (fr) 2003-03-22 2003-12-24 Procede de separation de corps composites

Country Status (4)

Country Link
EP (1) EP1622767A1 (fr)
AU (1) AU2003296733A1 (fr)
DE (1) DE10312953B4 (fr)
WO (1) WO2004082938A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009126443A1 (fr) * 2008-04-11 2009-10-15 The Arizona Board Of Regents, A Body Corporate Of The State Of Arizona Acting For And On Behalf Of Procédé et appareil pour décoller un substrat souple fixé sur un support rigide
WO2013189956A1 (fr) * 2012-06-18 2013-12-27 Nonwovens Innovation & Research Institute Système d'assemblage et de désassemblage d'article

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022107082A1 (de) 2022-03-25 2023-09-28 Johannes Wissing Verfahren zur Behandlung von Abfallstoffen, und Anlage zur Behandlung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929584A1 (de) * 1988-09-05 1990-03-08 Meurer Nonfood Product Gmbh Delaminationsverfahren
WO2000027245A1 (fr) * 1998-11-05 2000-05-18 Interface, Inc. Separation de constituants de revetement de sol en vue de leur recyclage
DE19919181A1 (de) * 1999-04-29 2000-11-02 Univ Magdeburg Tech Verfahren und Vorrichtung zum Separieren von biegesteifen Metall-Hartschaumstoff-Sandwichverbundplatten
DE19943751A1 (de) * 1999-09-13 2001-03-15 Bayerische Motoren Werke Ag Trennverfahren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4220665C2 (de) * 1992-06-24 1995-05-18 Urban Dipl Ing Stricker Verfahren zur Gewinnung von thermoplastischen Schaumstoffanteilen aus einem Kunststoffabfälle enthaltenden Gemenge
JP3144660B2 (ja) * 1993-01-25 2001-03-12 株式会社豊田中央研究所 ポリウレタン発泡複合体の剥離方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929584A1 (de) * 1988-09-05 1990-03-08 Meurer Nonfood Product Gmbh Delaminationsverfahren
WO2000027245A1 (fr) * 1998-11-05 2000-05-18 Interface, Inc. Separation de constituants de revetement de sol en vue de leur recyclage
DE19919181A1 (de) * 1999-04-29 2000-11-02 Univ Magdeburg Tech Verfahren und Vorrichtung zum Separieren von biegesteifen Metall-Hartschaumstoff-Sandwichverbundplatten
DE19943751A1 (de) * 1999-09-13 2001-03-15 Bayerische Motoren Werke Ag Trennverfahren

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009126443A1 (fr) * 2008-04-11 2009-10-15 The Arizona Board Of Regents, A Body Corporate Of The State Of Arizona Acting For And On Behalf Of Procédé et appareil pour décoller un substrat souple fixé sur un support rigide
US8349129B2 (en) 2008-04-11 2013-01-08 Arizona Board Of Regents, A Body Corporate Of The State Of Arizona Acting For And On Behalf Of Arizona State University Method and apparatus for debonding a submounted substrate
WO2013189956A1 (fr) * 2012-06-18 2013-12-27 Nonwovens Innovation & Research Institute Système d'assemblage et de désassemblage d'article
CN104379829A (zh) * 2012-06-18 2015-02-25 无纺布创新&研究发展院有限公司 物品组装与拆卸系统
GB2519250A (en) * 2012-06-18 2015-04-15 Nonwovens Innovation & Res Inst Ltd Article Assembly Disassembly system
US10125452B2 (en) 2012-06-18 2018-11-13 Wear2Go B.V. Article assembly disassembly system
EP3461944A1 (fr) * 2012-06-18 2019-04-03 Wear2go B.V. Moyens de connexion

Also Published As

Publication number Publication date
DE10312953B4 (de) 2005-07-21
AU2003296733A1 (en) 2004-10-11
DE10312953A1 (de) 2004-10-07
EP1622767A1 (fr) 2006-02-08

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