ZA894688B - Thermal treatment of irradiated polypropylene - Google Patents

Thermal treatment of irradiated polypropylene

Info

Publication number
ZA894688B
ZA894688B ZA894688A ZA894688A ZA894688B ZA 894688 B ZA894688 B ZA 894688B ZA 894688 A ZA894688 A ZA 894688A ZA 894688 A ZA894688 A ZA 894688A ZA 894688 B ZA894688 B ZA 894688B
Authority
ZA
South Africa
Prior art keywords
thermal treatment
irradiated polypropylene
irradiated
polypropylene
thermal
Prior art date
Application number
ZA894688A
Other languages
English (en)
Inventor
Anthony J Denicola Jr
J Denicola Anthony Jr
Original Assignee
Himont 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 Himont Inc filed Critical Himont Inc
Publication of ZA894688B publication Critical patent/ZA894688B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/16—Chemical modification with polymerisable compounds
    • C08J7/18—Chemical modification with polymerisable compounds using wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • 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
    • Y10S522/915—Synthetic resins or natural rubbers -- part of the class 520 series involving inert gas, steam, nitrogen gas, or carbon dioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
ZA894688A 1988-07-22 1989-06-20 Thermal treatment of irradiated polypropylene ZA894688B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/223,136 US5047446A (en) 1988-07-22 1988-07-22 Thermal treatment of irradiated propylene polymer material

Publications (1)

Publication Number Publication Date
ZA894688B true ZA894688B (en) 1990-03-28

Family

ID=22835187

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA894688A ZA894688B (en) 1988-07-22 1989-06-20 Thermal treatment of irradiated polypropylene

Country Status (18)

Country Link
US (1) US5047446A (de)
EP (1) EP0351866B1 (de)
JP (1) JP2655915B2 (de)
KR (1) KR0133685B1 (de)
CN (1) CN1027376C (de)
AR (1) AR243550A1 (de)
AT (1) ATE147762T1 (de)
AU (1) AU620880B2 (de)
BR (1) BR8903636A (de)
CA (1) CA1325864C (de)
DE (1) DE68927653T2 (de)
FI (1) FI893490L (de)
IL (1) IL90597A0 (de)
MX (1) MX170695B (de)
MY (1) MY107041A (de)
NO (1) NO172346C (de)
PT (1) PT91234B (de)
ZA (1) ZA894688B (de)

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US5140074A (en) * 1990-01-26 1992-08-18 Himont Incorporated Method of producing olefin polymer graft copolymers
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US5508319A (en) * 1991-06-21 1996-04-16 Montell North America Inc. High melt strength, ethylene polymer, process for making it, and use thereof
FR2692583A1 (fr) * 1992-05-29 1993-12-24 Mezza Michel Mise en application d'une réaction photochimique sur divers produits en polypropylène, copolymère ou homogène et polyéthylène haute ou basse densité.
US5368919A (en) * 1993-05-20 1994-11-29 Himont Incorporated Propylene polymer compositions containing high melt strength propylene polymer material
US5414049A (en) 1993-06-01 1995-05-09 Howmedica Inc. Non-oxidizing polymeric medical implant
US5508318A (en) * 1993-07-15 1996-04-16 Montell North America Inc. Compositions of irradiated and non-irradiated olefin polymer materials with reduced gloss
US5414027A (en) * 1993-07-15 1995-05-09 Himont Incorporated High melt strength, propylene polymer, process for making it, and use thereof
JP2793482B2 (ja) * 1993-10-13 1998-09-03 昭和電工株式会社 ポリオレフィン系樹脂組成物およびその成形体
JP3171422B2 (ja) * 1994-04-20 2001-05-28 日本原子力研究所 改質ポリプロピレンを製造する方法および成形品
CA2166450C (en) * 1995-01-20 2008-03-25 Ronald Salovey Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints
US5703203A (en) * 1995-03-31 1997-12-30 Montell North America Inc. Removal of oligomers from substantially crystalline, α-olefin polymers
IT1274503B (it) * 1995-05-15 1997-07-17 Montell North America Inc Fibre poliolefiniche ad elevata tenacita'
GB9512146D0 (en) * 1995-06-15 1995-08-16 At & T Global Inf Solution An actuation apparatus
US5670595A (en) * 1995-08-28 1997-09-23 Exxon Chemical Patents Inc. Diene modified polymers
DE19544858C2 (de) * 1995-10-02 1998-09-10 Silver Plastics Gmbh & Co Kg Verfahren zum Herstellen einer thermogeformten Verpackung
DE59710063D1 (de) * 1996-02-01 2003-06-18 Borealis Gmbh Schwechat Mannsw Strukturisomere Poly(alkylethylene)
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
US5820981A (en) * 1996-04-02 1998-10-13 Montell North America Inc. Radiation visbroken polypropylene and fibers made therefrom
CA2260241C (en) * 1996-07-09 2010-09-14 The Orthopaedic Hospital Crosslinking of polyethylene for low wear using radiation and thermal treatments
US6218023B1 (en) 1997-04-21 2001-04-17 Montell North America, Inc. Co-extruded laminate comprising at least one propylene graft copolymer layer
JPH1160834A (ja) * 1997-08-08 1999-03-05 Tosoh Corp プロピレン系樹脂組成物
US6060533A (en) * 1998-01-09 2000-05-09 Montell North America Inc. Process for making foam articles having good low temperature toughness from high melt strength propyline polymer materials
EP0963824B1 (de) * 1998-06-10 2004-12-08 DePuy Products, Inc. Verfahren zur Herstellung vernetzter, geformter Kunststofflager
US6692679B1 (en) 1998-06-10 2004-02-17 Depuy Orthopaedics, Inc. Cross-linked molded plastic bearings
AU754499B2 (en) 1998-09-15 2002-11-21 Regenesys Technologies Limited Water based grafting
US6306518B1 (en) 1999-05-19 2001-10-23 Montell Technology Company Bv High surface gloss, co-extruded sheets from propylene polymer materials
US6489019B1 (en) 1999-05-19 2002-12-03 Basell Poliolefine Italia S.P.A. High surface gloss, co-extruded sheets from olefin polymer materials
DE19937566C2 (de) * 1999-08-09 2001-06-28 Forschungszentrum Juelich Gmbh Hochdruckpolarisator für Edelgase und Verfahren zum Betreiben des Polarisators
US6624099B1 (en) 1999-12-17 2003-09-23 Basell Poliolefine Italia S.P.A. Glass-reinforced multi-layer sheets from olefin polymer materials
WO2001088001A1 (en) * 1999-12-30 2001-11-22 Opp Petroquímica S.A. Process for preparing high melt strength polypropylene and crosslinked polypropylene prepared therewith
US6395799B1 (en) 2000-02-21 2002-05-28 Smith & Nephew, Inc. Electromagnetic and mechanical wave energy treatments of UHMWPE
EP1170322A1 (de) * 2000-07-04 2002-01-09 ATOFINA Research Heissversiegeln von Polyolefinen
EP1170305A1 (de) * 2000-07-05 2002-01-09 ATOFINA Research Verfahren zur Herstellung von Polyolefinen mit verbesserten Eigenschaften
EP1170306A1 (de) * 2000-07-05 2002-01-09 ATOFINA Research Verfahren zur Herstellung von Polypropylen mit verbesserten Eigenschaften
EP1170309A1 (de) * 2000-07-05 2002-01-09 ATOFINA Research Herstellung von Propylencopolymeren mit verbesserten Eigenschaften
EP1170307A1 (de) * 2000-07-05 2002-01-09 ATOFINA Research Formen von Polyolefinen mit verbesserten Eigenschaften
CA2323307A1 (en) 2000-10-16 2002-04-16 Peter Jackson Crosslinked, heat shrinkable polypropylene compositions
US6620695B2 (en) * 2001-07-30 2003-09-16 The United States Of America As Represented By The Secretary Of The Navy Method for increasing fracture toughness and reducing brittleness of semi-crystalline polymer
CA2429930C (en) 2002-06-06 2008-10-14 Howmedica Osteonics Corp. Sequentially cross-linked polyethylene
US6677395B1 (en) 2002-11-27 2004-01-13 Basell Poliolefine Italia S.P.A. Irradiated, oxidized olefin polymer dispersing agents
US6869982B2 (en) * 2002-11-27 2005-03-22 Basell Poliolefine Italia S.P.A. Irradiated, oxidized olefin polymer coupling agents
EP1429346B1 (de) * 2002-12-12 2009-03-25 Borealis Technology Oy Koaxialkabel, welches ein dielektrisches Material enthält
DE602004002965T2 (de) * 2003-08-12 2007-06-14 Basell Poliolefine Italia S.R.L. Bestrahlte buten-1-polymere enthaltende zusammensetzungen
US20070155884A1 (en) * 2004-11-12 2007-07-05 Basell Poliolefine Italia S.R.L. Filled olefin polymer compositions having improved mechanical properties and scratch resistance
US7456231B2 (en) * 2005-02-02 2008-11-25 Shawcor Ltd. Radiation-crosslinked polyolefin compositions
US8076416B2 (en) * 2005-02-04 2011-12-13 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates and their use
US20060255501A1 (en) * 2005-05-11 2006-11-16 Shawcor Ltd. Crosslinked chlorinated polyolefin compositions
EP1847555A1 (de) * 2006-04-18 2007-10-24 Borealis Technology Oy Mehrfach verzweigtes Polypropylen
EP2167570A1 (de) 2007-06-29 2010-03-31 Basell Poliolefine Italia S.R.L. Bestrahlte polyolefinzusammensetzung mit nicht-phenolischem stabilisator
US20090163666A1 (en) * 2007-12-21 2009-06-25 David John Lohse Polymer compositions exhibiting enhanced flow-induced crystallization
EP2500169B1 (de) * 2008-05-05 2013-09-25 A. Schulman, Inc. Mehrschichtstruktur
US7935740B2 (en) 2008-12-30 2011-05-03 Basell Poliolefine Italia S.R.L. Process for producing high melt strength polypropylene
US20100227966A1 (en) * 2009-03-06 2010-09-09 Shawcor Ltd. Moisture-crosslinked polyolefin compositions
US8220226B2 (en) * 2009-08-04 2012-07-17 E-Beam Services, Inc. Electron beam irradiation of bulk material solids
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CN102280209B (zh) * 2011-07-25 2012-05-23 南京大学 一种高能加速器电子束叠层辐照交联线缆的方法
CN103924440B (zh) * 2014-05-07 2016-05-11 中国科学院上海应用物理研究所 一种交联聚丙烯腈纤维的制备方法
MX2017012852A (es) * 2015-04-07 2018-04-11 Xyleco Inc Métodos y sistemas de control para procesamiento de biomasa.
BR112018075488B1 (pt) 2016-06-10 2021-11-30 E-Beam Services, Inc. Métodos para aumentar a resistência à fusão de polipropileno de seus copolímeros
WO2019199486A1 (en) 2018-04-10 2019-10-17 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizale compositions
US11629245B2 (en) 2018-06-28 2023-04-18 Exxonmobil Chemical Patents Inc. Polyethylene compositions, wire and cables, and methods for making the same
CN112997033B (zh) 2018-09-14 2023-07-25 国际人造丝公司 热塑性硫化橡胶组合物、其制备和在柔性管状管道中的用途
US12371556B2 (en) 2019-06-13 2025-07-29 Celanese International Corporation Automotive weather seals formed with thermoplastic vulcanizate compositions
US12545777B2 (en) 2019-06-21 2026-02-10 Celanese International Corporation Thermoplastic vulcanizate compositions
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CN112759826B (zh) 2019-10-21 2021-10-22 国家能源投资集团有限责任公司 可发泡聚丙烯组合物和发泡聚丙烯及其制备方法
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FR1377951A (fr) * 1963-01-09 1964-11-06 Huels Chemische Werke Ag Procédé pour la dégradation thermique commandée de thermoplastes
US4586995A (en) * 1982-09-17 1986-05-06 Phillips Petroleum Company Polymer and irradiation treatment method
DE3688258T3 (de) * 1985-01-31 2001-02-22 Montell North America Inc., Wilmington Polypropylen mit freier Langkettenverzweigung, Verfahren zur Herstellung und Verwendung davon.
IN166935B (de) * 1985-01-31 1990-08-11 Himont Inc
NL8502298A (nl) * 1985-08-21 1987-03-16 Stamicarbon Werkwijze voor het vervaardigen van polyethyleenvoorwerpen met hoge treksterkte en modulus.

Also Published As

Publication number Publication date
MX170695B (es) 1993-09-07
PT91234A (pt) 1990-02-08
BR8903636A (pt) 1990-03-13
FI893490A0 (fi) 1989-07-19
DE68927653D1 (de) 1997-02-27
KR0133685B1 (ko) 1998-04-21
ATE147762T1 (de) 1997-02-15
CA1325864C (en) 1994-01-04
AR243550A1 (es) 1993-08-31
PT91234B (pt) 1995-03-01
DE68927653T2 (de) 1997-06-12
IL90597A0 (en) 1990-01-18
CN1039817A (zh) 1990-02-21
NO892726D0 (no) 1989-06-30
CN1027376C (zh) 1995-01-11
FI893490A7 (fi) 1990-01-23
NO892726L (no) 1990-01-23
EP0351866B1 (de) 1997-01-15
AU3677689A (en) 1990-03-08
FI893490L (fi) 1990-01-23
JP2655915B2 (ja) 1997-09-24
AU620880B2 (en) 1992-02-27
NO172346C (no) 1993-07-07
EP0351866A3 (de) 1992-04-08
JPH0269533A (ja) 1990-03-08
NO172346B (no) 1993-03-29
MY107041A (en) 1995-09-30
EP0351866A2 (de) 1990-01-24
KR900001765A (ko) 1990-02-27
US5047446A (en) 1991-09-10

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