DE59401871D1 - Verfahren zum pulverisieren von polyurethan-, polyharnstoff- und/oder polyurethan-polyharnstoff-werkstoffen auf einer walzenanlage - Google Patents

Verfahren zum pulverisieren von polyurethan-, polyharnstoff- und/oder polyurethan-polyharnstoff-werkstoffen auf einer walzenanlage

Info

Publication number
DE59401871D1
DE59401871D1 DE59401871T DE59401871T DE59401871D1 DE 59401871 D1 DE59401871 D1 DE 59401871D1 DE 59401871 T DE59401871 T DE 59401871T DE 59401871 T DE59401871 T DE 59401871T DE 59401871 D1 DE59401871 D1 DE 59401871D1
Authority
DE
Germany
Prior art keywords
polyhane
polyurethane
powdering
materials
rolling machine
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.)
Expired - Fee Related
Application number
DE59401871T
Other languages
English (en)
Inventor
Joachim Wagner
Karl Peltzer
Juergen Wirth
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.)
Hennecke GmbH
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Priority claimed from PCT/EP1994/002360 external-priority patent/WO1995003926A1/de
Application granted granted Critical
Publication of DE59401871D1 publication Critical patent/DE59401871D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • 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
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • 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
    • B29B17/0404—Disintegrating plastics, e.g. by milling to powder
    • 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Crushing And Grinding (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE59401871T 1993-07-30 1994-07-18 Verfahren zum pulverisieren von polyurethan-, polyharnstoff- und/oder polyurethan-polyharnstoff-werkstoffen auf einer walzenanlage Expired - Fee Related DE59401871D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4325654 1993-07-30
DE19944416749 DE4416749A1 (de) 1993-07-30 1994-05-13 Verfahren zum Pulverisieren von Polyurethan-, Polyharnstoff- und/oder Polyurethan-Polyharnstoff-Werkstoffen auf einer Walzenanlage
PCT/EP1994/002360 WO1995003926A1 (de) 1993-07-30 1994-07-18 Verfahren zum pulverisieren von polyurethan-, polyharnstoff- und/oder polyurethan-polyharnstoff-werkstoffen auf einer walzenanlage

Publications (1)

Publication Number Publication Date
DE59401871D1 true DE59401871D1 (de) 1997-04-03

Family

ID=6494112

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19944416749 Withdrawn DE4416749A1 (de) 1993-07-30 1994-05-13 Verfahren zum Pulverisieren von Polyurethan-, Polyharnstoff- und/oder Polyurethan-Polyharnstoff-Werkstoffen auf einer Walzenanlage
DE59401871T Expired - Fee Related DE59401871D1 (de) 1993-07-30 1994-07-18 Verfahren zum pulverisieren von polyurethan-, polyharnstoff- und/oder polyurethan-polyharnstoff-werkstoffen auf einer walzenanlage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19944416749 Withdrawn DE4416749A1 (de) 1993-07-30 1994-05-13 Verfahren zum Pulverisieren von Polyurethan-, Polyharnstoff- und/oder Polyurethan-Polyharnstoff-Werkstoffen auf einer Walzenanlage

Country Status (2)

Country Link
KR (1) KR100307689B1 (de)
DE (2) DE4416749A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU783634B2 (en) * 1999-12-23 2005-11-17 Mobius Technologies, Inc. Polymeric foam processing
TW200930751A (en) * 2008-01-02 2009-07-16 Kun-Huang Zhang Method for manufacturing reproduction plastic foam having nano-sized ventilation mesh
US11826723B2 (en) 2016-05-31 2023-11-28 Basf Se Belt drier arrangement for drying an aqueous polymer gel and for comminuting the dried polymer gel to give dried polymer particles and process for drying an aqueous polymer gel and for comminuting the dried polymer gel to give dried polymer particles
CN107282237A (zh) * 2017-07-24 2017-10-24 望谟县兴旺魔芋产业发展有限责任公司 一种魔芋精粉机
CN109622130A (zh) * 2018-12-20 2019-04-16 安徽顾德森家居有限公司 一种纤维板加工用粉碎机
CN115318403B (zh) * 2022-08-15 2023-11-14 江苏广创环保科技有限公司 具有循环粉碎功能的塑料粉碎设备及方法
WO2024100537A1 (en) * 2022-11-08 2024-05-16 Mauro Garbin Process for the recovery of polyurethane from waste soles

Also Published As

Publication number Publication date
DE4416749A1 (de) 1995-02-02
KR960703713A (ko) 1996-08-31
KR100307689B1 (ko) 2001-12-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HENNECKE GMBH, 51379 LEVERKUSEN, DE

8339 Ceased/non-payment of the annual fee