CH415040A - Verfahren zur Herstellung einer Masse, welche festes vernetztes Polypropylen enthält - Google Patents

Verfahren zur Herstellung einer Masse, welche festes vernetztes Polypropylen enthält

Info

Publication number
CH415040A
CH415040A CH5289857A CH5289857A CH415040A CH 415040 A CH415040 A CH 415040A CH 5289857 A CH5289857 A CH 5289857A CH 5289857 A CH5289857 A CH 5289857A CH 415040 A CH415040 A CH 415040A
Authority
CH
Switzerland
Prior art keywords
composition
production
contains solid
crosslinked polypropylene
solid crosslinked
Prior art date
Application number
CH5289857A
Other languages
English (en)
Inventor
John Lawton Elliott
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of CH415040A publication Critical patent/CH415040A/de

Links

Classifications

    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CH5289857A 1956-11-21 1957-11-21 Verfahren zur Herstellung einer Masse, welche festes vernetztes Polypropylen enthält CH415040A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623703A US2948666A (en) 1956-11-21 1956-11-21 Irradiation process

Publications (1)

Publication Number Publication Date
CH415040A true CH415040A (de) 1966-06-15

Family

ID=24499097

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5289857A CH415040A (de) 1956-11-21 1957-11-21 Verfahren zur Herstellung einer Masse, welche festes vernetztes Polypropylen enthält

Country Status (5)

Country Link
US (1) US2948666A (de)
CH (1) CH415040A (de)
DE (1) DE1247638B (de)
FR (2) FR1190061A (de)
GB (1) GB831914A (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113081A (en) * 1957-06-11 1963-12-03 Sun Oil Co Raising the melting point of polyolefins
US3098808A (en) * 1958-04-14 1963-07-23 Phillips Petroleum Co Promotion of high energy radiation effects in polymeric materials
US3090735A (en) * 1959-03-06 1963-05-21 Mandelkern Leo Method for making a fiber with reversible dimensional changes
US3347764A (en) * 1961-03-16 1967-10-17 Kanegafuchi Spinning Co Ltd Method of producing polyoxymethylene using trioxane, a solvent and ionizing radiation
US3149017A (en) * 1961-05-24 1964-09-15 Grace W R & Co Polyethylene balloon
US3146146A (en) * 1961-07-11 1964-08-25 Phillips Petroleum Co Use of ionizing radiation to improve polymer-metal laminates
CA2031406C (en) * 1989-12-21 2002-05-28 Paolo Galli Graft copolymers of polyolefins and a method of producing same
US5200439A (en) * 1990-04-13 1993-04-06 Mitsui Toatsu Chemicals, Inc. Method for increasing intrinsic viscosity of syndiotactic polypropylene
AU693260B2 (en) 1994-09-21 1998-06-25 Bmg Incorporated Ultrahigh-molecular-weight polyethylene molding for artificial joint and process for producing the molding
CA2166450C (en) * 1995-01-20 2008-03-25 Ronald Salovey Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints
US8865788B2 (en) 1996-02-13 2014-10-21 The General Hospital Corporation Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
US8563623B2 (en) * 1996-02-13 2013-10-22 The General Hospital Corporation Radiation melt treated ultra high molecular weight polyethylene prosthetic devices
EP0935446B1 (de) * 1996-07-09 2007-02-07 Orthopaedic Hospital Vernetzung von polyethylen zur verringerung der abnutzung unter anwendung von strahlung und thermischer behandlung
EP1038893A1 (de) 1999-03-19 2000-09-27 Fina Research S.A. Verfahren zur Herstellung von Polypropylen mit verbesserten Eigenschaften
EP1170305A1 (de) * 2000-07-05 2002-01-09 ATOFINA Research Verfahren zur Herstellung von Polyolefinen mit verbesserten Eigenschaften
EP1170309A1 (de) * 2000-07-05 2002-01-09 ATOFINA Research Herstellung von Propylencopolymeren mit verbesserten Eigenschaften
US6818172B2 (en) 2000-09-29 2004-11-16 Depuy Products, Inc. Oriented, cross-linked UHMWPE molding for orthopaedic applications
US7819925B2 (en) * 2002-01-28 2010-10-26 Depuy Products, Inc. Composite prosthetic bearing having a crosslinked articulating surface and method for making the same
US7186364B2 (en) * 2002-01-28 2007-03-06 Depuy Products, Inc. Composite prosthetic bearing constructed of polyethylene and an ethylene-acrylate copolymer and method for making the same
US20040002770A1 (en) * 2002-06-28 2004-01-01 King Richard S. Polymer-bioceramic composite for orthopaedic applications and method of manufacture thereof
US7938861B2 (en) * 2003-04-15 2011-05-10 Depuy Products, Inc. Implantable orthopaedic device and method for making the same
US20040262809A1 (en) * 2003-06-30 2004-12-30 Smith Todd S. Crosslinked polymeric composite for orthopaedic implants
US7384430B2 (en) * 2004-06-30 2008-06-10 Depuy Products, Inc. Low crystalline polymeric material for orthopaedic implants and an associated method
US8262976B2 (en) 2004-10-07 2012-09-11 Biomet Manufacturing Corp. Solid state deformation processing of crosslinked high molecular weight polymeric materials
US7344672B2 (en) 2004-10-07 2008-03-18 Biomet Manufacturing Corp. Solid state deformation processing of crosslinked high molecular weight polymeric materials
US7462318B2 (en) * 2004-10-07 2008-12-09 Biomet Manufacturing Corp. Crosslinked polymeric material with enhanced strength and process for manufacturing
US7547405B2 (en) 2004-10-07 2009-06-16 Biomet Manufacturing Corp. Solid state deformation processing of crosslinked high molecular weight polymeric materials
US7896921B2 (en) * 2004-12-30 2011-03-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
US7879275B2 (en) * 2004-12-30 2011-02-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
US7883653B2 (en) 2004-12-30 2011-02-08 Depuy Products, Inc. Method of making an implantable orthopaedic bearing
US7538379B1 (en) * 2005-06-15 2009-05-26 Actel Corporation Non-volatile two-transistor programmable logic cell and array layout
US8641959B2 (en) * 2007-07-27 2014-02-04 Biomet Manufacturing, Llc Antioxidant doping of crosslinked polymers to form non-eluting bearing components
US9586370B2 (en) 2013-08-15 2017-03-07 Biomet Manufacturing, Llc Method for making ultra high molecular weight polyethylene
US9982099B2 (en) 2014-04-16 2018-05-29 Costas Tzoganakis Method for modifying polyolefin to increase long chain branching
CN111571855A (zh) * 2020-06-02 2020-08-25 中广核中科海维科技发展有限公司 一种通过辐照提升聚丙烯塑料粒子熔体指数的方法
TWI816395B (zh) 2021-05-12 2023-09-21 奧地利商柏列利斯股份公司 高熔融強度聚丙烯

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1137550B (de) * 1956-03-15 1962-10-04 Grace W R & Co Verfahren zur Erhoehung der Dehnbarkeit von Polyaethylenformkoerpern

Also Published As

Publication number Publication date
FR72532E (fr) 1960-04-14
DE1247638B (de) 1967-08-17
GB831914A (en) 1960-04-06
FR1190061A (fr) 1959-10-09
US2948666A (en) 1960-08-09

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