ATE289907T1 - Verfahren und vorrichtung zur strahlenbehandlung von fluorpolymer-materialen - Google Patents

Verfahren und vorrichtung zur strahlenbehandlung von fluorpolymer-materialen

Info

Publication number
ATE289907T1
ATE289907T1 AT01954888T AT01954888T ATE289907T1 AT E289907 T1 ATE289907 T1 AT E289907T1 AT 01954888 T AT01954888 T AT 01954888T AT 01954888 T AT01954888 T AT 01954888T AT E289907 T1 ATE289907 T1 AT E289907T1
Authority
AT
Austria
Prior art keywords
particles
irradiation chamber
fluoropolymer
radiation
conveyed
Prior art date
Application number
AT01954888T
Other languages
English (en)
Inventor
Sergey Alexandrovich Korenev
John Masefield
Jerry Kriebel
Original Assignee
Steris 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 Steris Inc filed Critical Steris Inc
Application granted granted Critical
Publication of ATE289907T1 publication Critical patent/ATE289907T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S522/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S522/911—Specified treatment involving megarad or less

Landscapes

  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AT01954888T 2000-07-24 2001-07-23 Verfahren und vorrichtung zur strahlenbehandlung von fluorpolymer-materialen ATE289907T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/624,310 US6340718B1 (en) 2000-07-24 2000-07-24 Method of radiation treatment for fluoropolymer materials
PCT/US2001/023155 WO2002007943A2 (en) 2000-07-24 2001-07-23 Method of radiation treatment for fluoropolymer materials

Publications (1)

Publication Number Publication Date
ATE289907T1 true ATE289907T1 (de) 2005-03-15

Family

ID=24501496

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01954888T ATE289907T1 (de) 2000-07-24 2001-07-23 Verfahren und vorrichtung zur strahlenbehandlung von fluorpolymer-materialen

Country Status (7)

Country Link
US (2) US6340718B1 (de)
EP (1) EP1303386B1 (de)
JP (1) JP2004504185A (de)
AT (1) ATE289907T1 (de)
DE (1) DE60109172T2 (de)
ES (1) ES2239675T3 (de)
WO (1) WO2002007943A2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1487905A4 (de) * 2002-03-14 2009-12-09 Shamrock Tech Inc Verfahren zur herstellung von submikronskaligem polytetrafluorethylenpulver und produkte daraus
US6998063B2 (en) * 2003-07-29 2006-02-14 Steris Inc. Method of forming microporous membranes
US6998627B1 (en) * 2004-10-12 2006-02-14 Steris Inc. Channel for transport of electron beam from accelerator to irradiated product
RU2481372C2 (ru) * 2008-11-07 2013-05-10 Сэнт-Гобэн Перформанс Пластикс Корпорейшн Способ формования уплотнительного кольца (варианты)
WO2010054241A2 (en) 2008-11-07 2010-05-14 Saint-Gobain Performance Plastics Corporation Large diameter thermoplastic seal
RU2465503C1 (ru) * 2008-12-24 2012-10-27 Сэнт-Гобэн Перформанс Пластикс Корпорейшн Полимерный материал и уплотнение, изготовленное из него, для применения в насосе высокого давления
US8220226B2 (en) * 2009-08-04 2012-07-17 E-Beam Services, Inc. Electron beam irradiation of bulk material solids
WO2013177403A1 (en) 2012-05-23 2013-11-28 Saint-Gobain Performance Plastics Corporation Method of forming large diameter thermoplastic seal
TWI500451B (zh) * 2013-07-04 2015-09-21 Academia Sinica 無對流效應之流動式反應器及流動式合成方法
DE102014007154B3 (de) * 2014-05-15 2015-10-29 Crosslinking AB Teleskopierbare Abschirmvorrichtung
CA2978682C (en) * 2015-03-13 2021-08-31 Officine Di Cartigliano Spa Plant and method for drying and solid state polycondensing of polymeric material
KR102502942B1 (ko) * 2016-06-10 2023-02-22 이-빔 서비시스, 인크. 프로필렌 폴리머 또는 이것의 코폴리머의 용융 강도를 증가시키는 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737593A (en) * 1952-07-03 1956-03-06 High Voltage Engineering Corp Method of irradiating streams of liquids, gases, finely divided solids, etc., by continuous beams of high instantaneous ionization density
US3116226A (en) * 1959-03-16 1963-12-31 Du Pont Irradiation of fluorocarbon copoluymers
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
USRE28628E (en) * 1971-03-01 1975-11-25 Du Pont Radiation treated poly(ethylene/chlorotrifluoroethylene) and poly(ethylene/tetrafluoroethylene) having improved high temperature properties
US3766031A (en) * 1972-04-10 1973-10-16 Garlock Inc Process for non-destructive radiation degradation of polytetrafluoroethylene
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
GB2119385B (en) * 1982-05-03 1985-12-18 Shamrock Chemicals Corp 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
US4586995A (en) * 1982-09-17 1986-05-06 Phillips Petroleum Company Polymer and irradiation treatment method
US5296113A (en) * 1990-02-26 1994-03-22 Luniewski Robert S Irradiation device for fluoropolymers
JP3317452B2 (ja) * 1992-10-05 2002-08-26 株式会社レイテック 改質ポリテトラフルオロエチレンとその製造方法
US5473165A (en) * 1993-11-16 1995-12-05 Stinnett; Regan W. Method and apparatus for altering material
JP3566805B2 (ja) * 1996-04-11 2004-09-15 日本原子力研究所 摺動部材
US5916929A (en) * 1997-06-23 1999-06-29 E-Beam Services, Inc. Method for irradiating organic polymers
US5882737A (en) * 1998-03-20 1999-03-16 Eckhoff; Paul S. Apparatus and method for radiation processing of materials
US5968997A (en) * 1998-12-09 1999-10-19 Shamrock Technologies, Inc. Continuous process for irradiating of polytetrafluorineethylene (PTFE)
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

Also Published As

Publication number Publication date
DE60109172D1 (de) 2005-04-07
ES2239675T3 (es) 2005-10-01
EP1303386A2 (de) 2003-04-23
DE60109172T2 (de) 2006-02-16
EP1303386B1 (de) 2005-03-02
JP2004504185A (ja) 2004-02-12
WO2002007943A2 (en) 2002-01-31
US6764657B2 (en) 2004-07-20
WO2002007943A3 (en) 2002-04-04
US6340718B1 (en) 2002-01-22
US20020060294A1 (en) 2002-05-23

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Legal Events

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