ATE252597T1 - Vorrichtung zum kontinuierlichen bestrahlen von polytetrafluorethylen (ptfe) - Google Patents

Vorrichtung zum kontinuierlichen bestrahlen von polytetrafluorethylen (ptfe)

Info

Publication number
ATE252597T1
ATE252597T1 AT99962956T AT99962956T ATE252597T1 AT E252597 T1 ATE252597 T1 AT E252597T1 AT 99962956 T AT99962956 T AT 99962956T AT 99962956 T AT99962956 T AT 99962956T AT E252597 T1 ATE252597 T1 AT E252597T1
Authority
AT
Austria
Prior art keywords
ptfe
polytetrafluorethylene
vessel
continuous radiation
portions
Prior art date
Application number
AT99962956T
Other languages
English (en)
Inventor
Robert Luniewski
William B Neuberg
Original Assignee
Shamrock Tech Inc
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 Shamrock Tech Inc filed Critical Shamrock Tech Inc
Application granted granted Critical
Publication of ATE252597T1 publication Critical patent/ATE252597T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
    • B01F33/833—Devices with several tools rotating about different axis in the same receptacle
    • 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
    • B29B13/08—Conditioning or physical treatment of the material to be shaped by using wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/05—Mixers using radiation, e.g. magnetic fields or microwaves to mix the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/406—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
    • B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
    • B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
    • 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
    • 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
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluoroethylene, e.g. ePTFE, i.e. expanded polytetrafluoroethylene

Landscapes

  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processing Of Solid Wastes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
AT99962956T 1998-12-09 1999-12-01 Vorrichtung zum kontinuierlichen bestrahlen von polytetrafluorethylen (ptfe) ATE252597T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/208,117 US5968997A (en) 1998-12-09 1998-12-09 Continuous process for irradiating of polytetrafluorineethylene (PTFE)
PCT/US1999/028431 WO2000034300A1 (en) 1998-12-09 1999-12-01 Continuous process for irradiating of polytetrafluoroethylene (ptfe)

Publications (1)

Publication Number Publication Date
ATE252597T1 true ATE252597T1 (de) 2003-11-15

Family

ID=22773250

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99962956T ATE252597T1 (de) 1998-12-09 1999-12-01 Vorrichtung zum kontinuierlichen bestrahlen von polytetrafluorethylen (ptfe)

Country Status (9)

Country Link
US (2) US5968997A (de)
EP (1) EP1137657B1 (de)
JP (1) JP2002531645A (de)
AT (1) ATE252597T1 (de)
AU (1) AU1928900A (de)
BR (1) BR9916082B1 (de)
CA (1) CA2353091C (de)
DE (1) DE69912309T2 (de)
WO (1) WO2000034300A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6486481B1 (en) 1999-11-12 2002-11-26 Ausimont Usa, Inc. Vibratory table apparatus and associated equipment and methods for radiation treatment of polymeric materials
US6340718B1 (en) 2000-07-24 2002-01-22 Steris Inc Method of radiation treatment for fluoropolymer materials
AU2003269802A1 (en) * 2002-03-14 2003-12-31 Shamrock Technologies, Inc. Methods for producing submicron polytetrafluoroethylene powder and products thereof
US7152836B2 (en) * 2003-01-09 2006-12-26 Csav, Inc. Adjustable tilt mount
US7491791B2 (en) * 2003-01-27 2009-02-17 Shamrock Technologies Inc. Method for producing submicron polytetrafluoroethylene powder and products thereof
CN103170401B (zh) * 2013-04-03 2015-11-18 太仓金凯特种线缆有限公司 紫外线结合双氧水和四氯化碳制备ptfe超细粉的方法
US20150258551A1 (en) * 2014-03-13 2015-09-17 Steven Cottam Grinder Mill
US10538605B2 (en) 2016-08-04 2020-01-21 Daikin Industries, Ltd. Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
WO2018026012A1 (ja) 2016-08-04 2018-02-08 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレンの製造方法、低分子量ポリテトラフルオロエチレン及び粉末
CN110833789A (zh) * 2019-11-27 2020-02-25 贵阳铭鼎农业科技有限公司 一种猪饲料生产搅拌机
US20250186953A1 (en) * 2023-12-06 2025-06-12 GM Global Technology Operations LLC System and method for gas blade mixing of battery electrode slurries
WO2025210164A1 (en) 2024-04-05 2025-10-09 Serge Ferrari Sas Method for recycling a coated glass membrane comprising a glass core cloth and a fluoropolymer coating
EP4628272A1 (de) 2024-04-05 2025-10-08 Serge Ferrari SAS Verfahren zur wiederverwertung einer beschichteten glasmembran mit einem glaskerngewebe und einer fluorpolymerbeschichtung

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US3116226A (en) * 1959-03-16 1963-12-31 Du Pont Irradiation of fluorocarbon copoluymers
NL294110A (de) * 1962-08-14
FR1437476A (fr) * 1965-02-26 1966-05-06 Saint Gobain Techn Nouvelles Procédé et dispositif pour l'irradiation de fluides ou de produits granuleux ou pulvérulents par exposition à une source de rayonnements ionisants
US3617005A (en) * 1969-03-18 1971-11-02 Cypro Inc Comminuting method of and means for conditioning thermoplastic molding material
US4029870A (en) * 1970-02-03 1977-06-14 Imperial Chemical Industries Limited Tetrafluoroethylene polymers
US4036718A (en) * 1970-02-03 1977-07-19 Imperial Chemical Industries Limited Process for preparing a friable tetrafluoroethylene polymer powder from unsintered coagulated dispersion grade tetrafluoroethylene polymer
BE785797A (fr) * 1971-07-02 1973-01-03 Ici Ltd Compositions de polymeres du tetrafluoroethylene
US3766031A (en) * 1972-04-10 1973-10-16 Garlock Inc Process for non-destructive radiation degradation of polytetrafluoroethylene
DE2223550A1 (de) * 1972-05-15 1973-12-06 Hans-Joachim Dipl-Ing Selig Querstromboden fuer homogenisierung rieselfaehiger schuettgueter
US3840189A (en) * 1973-05-23 1974-10-08 Owatonna Mfg Co Feed mill and mixer
JPS5330673A (en) * 1976-09-03 1978-03-23 Meiki Seisakusho Kk Process for regenerating scraps of thermosetting resin
IT1111205B (it) * 1978-02-21 1986-01-13 Ici Ltd Processo chimico sulla superficie di un corpo rotante
US4220511A (en) * 1979-03-12 1980-09-02 Radiation Dynamics, Inc. Treatment of sintered poly-tetrafluoroethylene with irradiation and heat to produce a grindable material
US4467969A (en) * 1979-05-23 1984-08-28 Standard Oil Company On-line reclaim system
US4777192A (en) * 1982-05-03 1988-10-11 Shamrock Chemicals Corporation Apparatus and method for radiation processing of materials
US4748005A (en) * 1982-05-03 1988-05-31 Shamrock Chemicals Corporation Apparatus and method for radiation processing of materials
US4577805A (en) * 1984-05-31 1986-03-25 Sperry Corporation Agricultural mixing and grinding machine
DE3912751C1 (de) * 1989-04-19 1990-09-27 Vetco Sanitec Gmbh, 3100 Celle, De
US5260351A (en) * 1989-04-24 1993-11-09 E. I. Du Pont De Nemours And Company Radiation curing of perfluoroelastomers
US5028010A (en) * 1989-12-18 1991-07-02 Itex Enterprises, Inc. Apparatus for mixing solid or semi-solid wastes with additives
WO1991011096A1 (de) * 1990-01-31 1991-08-08 Quedlinburger Fortech Gmbh Verfahren und einrichtung zur behandlung vom teilchenförmigem material mit elektronenstralen
US5296113A (en) * 1990-02-26 1994-03-22 Luniewski Robert S Irradiation device for fluoropolymers
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CA2038481C (en) * 1991-03-18 1993-07-06 Changize Sadr Method and apparatus for recycling thermoplastic containers
US5230476A (en) * 1991-05-31 1993-07-27 Marcus Rust Vertical grinding and mixing tower
US5253535A (en) * 1991-12-03 1993-10-19 E. I. Du Pont De Nemours And Company Apparatus and method for monitoring mass flow of solids
FR2685659B1 (fr) * 1991-12-27 1994-09-23 Didier Lagneaux Procede de regeneration des matieres plastiques en vue de la fabrication de produits plastiques composites a usage courant et l'installation mettant en óoeuvre le procede.
US5732559A (en) * 1996-06-17 1998-03-31 Blentech Corporation Rotational resistance cryogenic control system for chilling in a vacuum tumbler or agitator blender
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US5882737A (en) * 1998-03-20 1999-03-16 Eckhoff; Paul S. Apparatus and method for radiation processing of materials

Also Published As

Publication number Publication date
WO2000034300A1 (en) 2000-06-15
DE69912309T2 (de) 2004-08-05
US20020084369A1 (en) 2002-07-04
US6491243B2 (en) 2002-12-10
US5968997A (en) 1999-10-19
BR9916082B1 (pt) 2010-01-26
EP1137657B1 (de) 2003-10-22
WO2000034300A9 (en) 2001-05-10
WO2000034300A8 (en) 2001-05-31
DE69912309D1 (de) 2003-11-27
EP1137657A1 (de) 2001-10-04
CA2353091C (en) 2008-08-12
CA2353091A1 (en) 2000-06-15
BR9916082A (pt) 2001-09-04
JP2002531645A (ja) 2002-09-24
AU1928900A (en) 2000-06-26

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties