DE102021100483A1 - Polyurethane Recycling - Google Patents

Polyurethane Recycling Download PDF

Info

Publication number
DE102021100483A1
DE102021100483A1 DE102021100483.7A DE102021100483A DE102021100483A1 DE 102021100483 A1 DE102021100483 A1 DE 102021100483A1 DE 102021100483 A DE102021100483 A DE 102021100483A DE 102021100483 A1 DE102021100483 A1 DE 102021100483A1
Authority
DE
Germany
Prior art keywords
press
polyurethane
conveyor belt
paper
fibrous web
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.)
Pending
Application number
DE102021100483.7A
Other languages
German (de)
English (en)
Inventor
Delphine Delmas
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to DE102021100483.7A priority Critical patent/DE102021100483A1/de
Priority to JP2023542558A priority patent/JP2024504106A/ja
Priority to PCT/EP2021/086731 priority patent/WO2022152514A1/fr
Priority to CN202180090326.6A priority patent/CN116745085A/zh
Priority to EP21843623.6A priority patent/EP4277774A1/fr
Publication of DE102021100483A1 publication Critical patent/DE102021100483A1/de
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • B29B2017/0213Specific separating techniques
    • B29B2017/0217Mechanical separating techniques; devices therefor
    • B29B2017/022Grippers, hooks, piercing needles, fingers, e.g. mounted on robots
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • B29B2017/0213Specific separating techniques
    • B29B2017/0217Mechanical separating techniques; devices therefor
    • B29B2017/0224Screens, sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02Separating plastics from other materials
    • B29B2017/0213Specific separating techniques
    • B29B2017/0255Specific separating techniques using different melting or softening temperatures of the materials to be separated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2029/00Belts or bands
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/32Wheels, pinions, pulleys, castors or rollers, Rims
    • B29L2031/324Rollers or cylinders having an axial length of several times the diameter, e.g. embossing, pressing or printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/709Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7092Conveyor belts

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
DE102021100483.7A 2021-01-13 2021-01-13 Polyurethane Recycling Pending DE102021100483A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE102021100483.7A DE102021100483A1 (de) 2021-01-13 2021-01-13 Polyurethane Recycling
JP2023542558A JP2024504106A (ja) 2021-01-13 2021-12-20 ポリウレタンのマテリアルリサイクル方法
PCT/EP2021/086731 WO2022152514A1 (fr) 2021-01-13 2021-12-20 Procédé d'utilisation physique d'un polyuréthane
CN202180090326.6A CN116745085A (zh) 2021-01-13 2021-12-20 用于聚氨酯的物质利用的方法
EP21843623.6A EP4277774A1 (fr) 2021-01-13 2021-12-20 Procédé d'utilisation physique d'un polyuréthane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021100483.7A DE102021100483A1 (de) 2021-01-13 2021-01-13 Polyurethane Recycling

Publications (1)

Publication Number Publication Date
DE102021100483A1 true DE102021100483A1 (de) 2022-07-14

Family

ID=79602251

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102021100483.7A Pending DE102021100483A1 (de) 2021-01-13 2021-01-13 Polyurethane Recycling

Country Status (5)

Country Link
EP (1) EP4277774A1 (fr)
JP (1) JP2024504106A (fr)
CN (1) CN116745085A (fr)
DE (1) DE102021100483A1 (fr)
WO (1) WO2022152514A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607735A1 (fr) 1993-01-18 1994-07-27 Microlite, S.L. Procédé pour la récupération de polyuréthane
DE102013200482A1 (de) 2013-01-15 2014-07-17 Siemens Aktiengesellschaft Verfahren zur Wiedergewinnung von Verstärkungsfasern aus faserverstärkten Kunststoffen
WO2016055414A1 (fr) 2014-10-07 2016-04-14 Kölbl Engineering und Consulting GmbH Tapis ou bande
EP3689935A1 (fr) 2019-01-30 2020-08-05 Politechnika Gdanska Composite thermoplastique polyuréthane-caoutchouc et procédé permettant d'obtenir un composite thermoplastique polyuréthane-caoutchouc
EP3744812A1 (fr) 2019-05-27 2020-12-02 Covestro Deutschland AG Procédé d'utilisation de déchets du matériau de type polyuréthane permettant la fabrication de matières premières chimiques pour la fabrication d'isocyanates et de polyuréthanes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI121015B (fi) * 2007-07-05 2010-06-15 Tamfelt Pmc Oy Kenkäpuristinhihna
JP4616408B1 (ja) * 2010-02-19 2011-01-19 イチカワ株式会社 抄紙用プロセスベルト
DE102011079894A1 (de) * 2011-07-27 2013-01-31 Voith Patent Gmbh Pressmantel für eine Schuhpresse bzw. Transportband auf Basis von aus MDI-Polycarbonat-Prepolymer gebildetem vernetztem Polyurethan
EP2929085B1 (fr) * 2012-12-07 2019-11-20 Voith Patent GmbH Enveloppe de compression pour un rouleau de compression
DE102017101562B4 (de) * 2017-01-26 2022-03-03 Forbo Siegling Gmbh Verfahren zur Herstellung und/oder Wiederverwertung eines Förderbandes sowie Förderband
DE102018122782A1 (de) * 2018-09-18 2020-03-19 Voith Patent Gmbh Pressmantel, dessen Verwendung sowie Presswalze und Schuhpresse
EP3808532A1 (fr) 2019-10-15 2021-04-21 LANXESS Corporation Recyclage de polyuréthane moulé

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0607735A1 (fr) 1993-01-18 1994-07-27 Microlite, S.L. Procédé pour la récupération de polyuréthane
DE102013200482A1 (de) 2013-01-15 2014-07-17 Siemens Aktiengesellschaft Verfahren zur Wiedergewinnung von Verstärkungsfasern aus faserverstärkten Kunststoffen
WO2016055414A1 (fr) 2014-10-07 2016-04-14 Kölbl Engineering und Consulting GmbH Tapis ou bande
EP3689935A1 (fr) 2019-01-30 2020-08-05 Politechnika Gdanska Composite thermoplastique polyuréthane-caoutchouc et procédé permettant d'obtenir un composite thermoplastique polyuréthane-caoutchouc
EP3744812A1 (fr) 2019-05-27 2020-12-02 Covestro Deutschland AG Procédé d'utilisation de déchets du matériau de type polyuréthane permettant la fabrication de matières premières chimiques pour la fabrication d'isocyanates et de polyuréthanes

Also Published As

Publication number Publication date
WO2022152514A1 (fr) 2022-07-21
CN116745085A (zh) 2023-09-12
EP4277774A1 (fr) 2023-11-22
JP2024504106A (ja) 2024-01-30

Similar Documents

Publication Publication Date Title
DE69116152T2 (de) Band für eine langspaltpresse mit anisotrop gewebten armierungsgeweben
DE19642251C2 (de) Verfahren zum Herstellen einer Folie aus einem thermoplastischen Polyurethan
DE835393C (de) Verfahren zur Herstellung von Papier und anderen aus Fasermasse bestehenden Produkten
DE1068660B (fr)
DE69923971T2 (de) Verwendung eines transferband in einer tissue-papiermaschine
DE60012418T2 (de) Trägerverstärkung aus gestrecktem Film für Papiermacherbänder
DE3235468A1 (de) Biegsames band fuer eine presse zum entwaessern einer faserstoffbahn und verfahren zu seiner herstellung
EP3408339B1 (fr) Chemise de presse et procédé de fabrication associé
WO2019011558A1 (fr) Chemise de presse et son utilisation ainsi que rouleau de presse et presse à sabot
DE102011004568A1 (de) Pressenpartie einer Maschine zur Herstellung einer Faserstoffbahn
DE102021100483A1 (de) Polyurethane Recycling
DE1411905A1 (de) Vorrichtung zum Entfernen von Fluessigkeit aus einer bewegten Papierbahn
EP3649287B1 (fr) Manchon de presse et son utilisation ainsi que procédé de fabrication dudit manchon de presse
EP1432869B1 (fr) Tissu support pour habillages de machine a papier
DE68920411T2 (de) Papiermaschinengewebe mit kontrollierten Freigabeeigenschaften.
EP1041198A1 (fr) Rouleau élastique et procédé de fabrication d' un tel rouleau
DE19733666B4 (de) Pressfilz zur Papierherstellung
DE202012103846U1 (de) Papiermaschinenband
DE4026339C2 (de) Spezialband für eine Entwässerungspresse einer Papiermaschine
DE2047675C2 (de) Verfahren zur Herstellung von Folienmaterial mit hochglänzender Oberfläche
WO2020057800A1 (fr) Revêtement de presse, son utilisation et rouleau de presse, presse à sabot et utilisation d'un polyuréthane pour la fabrication d'une couche polymère d'un revêtement de presse
DE727393C (de) Filzartiger Werkstoff und Verfahren zu seiner Herstellung
DE1469416A1 (de) Verfahren zur Herstellung von Vliesen
DE19715783A1 (de) Verfahren zum Eindicken einer Faserstoffsuspension
DE102021119361A1 (de) Pressmantel für eine Schuhpresse bzw. Transportband mit verbesserten Eigenschaften

Legal Events

Date Code Title Description
R012 Request for examination validly filed