KR910018429A - 신디오탁틱 폴리프로필렌의 분자량의 증대방법 - Google Patents

신디오탁틱 폴리프로필렌의 분자량의 증대방법 Download PDF

Info

Publication number
KR910018429A
KR910018429A KR1019910005943A KR910005943A KR910018429A KR 910018429 A KR910018429 A KR 910018429A KR 1019910005943 A KR1019910005943 A KR 1019910005943A KR 910005943 A KR910005943 A KR 910005943A KR 910018429 A KR910018429 A KR 910018429A
Authority
KR
South Korea
Prior art keywords
molecular weight
polypropylene
syndiotactic polypropylene
increasing molecular
syndiotactic
Prior art date
Application number
KR1019910005943A
Other languages
English (en)
Other versions
KR930011664B1 (ko
Inventor
타다시 아사누마
Original Assignee
사와무라 하루오
미쓰이도오아쓰 가가쿠 가부시키가이샤
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 사와무라 하루오, 미쓰이도오아쓰 가가쿠 가부시키가이샤 filed Critical 사와무라 하루오
Publication of KR910018429A publication Critical patent/KR910018429A/ko
Application granted granted Critical
Publication of KR930011664B1 publication Critical patent/KR930011664B1/ko

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/28Treatment by wave energy or particle radiation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10Homopolymers or copolymers of propene
    • C08J2323/12Polypropene
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

내용 없음

Description

신디오탁틱 폴리프로필렌의 분자량의 증대방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예 2에 있어서 사용된 신디오탁틱 폴리프로필렌 성형물의 X선 회절 스펙트럼을 나타내며, 제2도는 실시예 3에 있어서 사용된 신디오탁틱 폴리프로필렌 성형물의 X선 회절스펙트럼을 나타낸다.

Claims (4)

  1. 실질적으로 신디오탁틱 구조를 가진 폴리프로필렌에, 산소의 부재하에서 방사선을 조사하는 것을 특징으로 하는 신디오탁틱 폴리프로필렌의 분자량 증대방법.
  2. 제1항에 있어서, 방사선을 조사한 후 가열처리함을 특징으로 하는 방법.
  3. 제1항이나 제2항에 있어서, X선 회절의 측정에 의해 7.1A의 공간에 회질선이 실질적으로 관측되지 않는 실질적으로 신디오탁틱 구조를 가진 폴리프로필렌을 사용함을 특징으로 하는 방법.
  4. 제1항에 있어서, 실질적으로 신디오탁틱구조를 가진 폴리프로필렌은 용융상태로 방사선에 조사됨을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910005943A 1990-04-13 1991-04-13 신디오탁틱 폴리프로필렌의 분자량의 증대방법 KR930011664B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP???2-096546 1990-04-13
JP9654690 1990-04-13
JP13825290 1990-05-30
JP???2-138252 1990-05-30
JP32551490 1990-11-29
JP???2-325514 1990-11-29
JP2-96546 1990-11-29
JP2-138252 1990-11-29
JP2-325514 1990-11-29

Publications (2)

Publication Number Publication Date
KR910018429A true KR910018429A (ko) 1991-11-30
KR930011664B1 KR930011664B1 (ko) 1993-12-16

Family

ID=27308142

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910005943A KR930011664B1 (ko) 1990-04-13 1991-04-13 신디오탁틱 폴리프로필렌의 분자량의 증대방법

Country Status (6)

Country Link
US (1) US5200439A (ko)
EP (1) EP0451804B1 (ko)
KR (1) KR930011664B1 (ko)
CN (1) CN1055703C (ko)
CA (1) CA2040226C (ko)
DE (1) DE69129999T2 (ko)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414049A (en) * 1993-06-01 1995-05-09 Howmedica Inc. Non-oxidizing polymeric medical implant
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
CN1123583C (zh) 1994-09-21 2003-10-08 Bmg株式会社 人工关节用超高分子量聚乙烯成形物及其制造方法
CA2166450C (en) * 1995-01-20 2008-03-25 Ronald Salovey Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints
US8563623B2 (en) * 1996-02-13 2013-10-22 The General Hospital Corporation Radiation melt treated ultra high molecular weight polyethylene prosthetic devices
US8865788B2 (en) * 1996-02-13 2014-10-21 The General Hospital Corporation Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
JP2000506210A (ja) * 1996-03-05 2000-05-23 ザ・ダウ・ケミカル・カンパニー 流動修飾ポリオレフィン類
US5820981A (en) * 1996-04-02 1998-10-13 Montell North America Inc. Radiation visbroken polypropylene and fibers made therefrom
JP2000514481A (ja) * 1996-07-09 2000-10-31 ザ オーソピーディック ホスピタル 放射線及び熱処理を用いた低摩耗ポリエチレンの架橋
US6228900B1 (en) * 1996-07-09 2001-05-08 The Orthopaedic Hospital And University Of Southern California Crosslinking of polyethylene for low wear using radiation and thermal treatments
DE69807708T2 (de) 1997-08-27 2003-01-02 Dow Chemical Co Elastomere mit verbesserter verarbeitbarkeit
DE10026579A1 (de) * 2000-05-30 2001-12-06 Basell Polyolefine Gmbh Verfahren zur Herstellung von für das Faserspinnen geeigneten Propylenpolymerisaten
EP1170322A1 (en) * 2000-07-04 2002-01-09 ATOFINA Research Heat sealing polyolefins
EP1170307A1 (en) * 2000-07-05 2002-01-09 ATOFINA Research Moulding of polyolefins having improved properties
EP1170305A1 (en) 2000-07-05 2002-01-09 ATOFINA Research Production of polyolefins having improved properties
US6818172B2 (en) 2000-09-29 2004-11-16 Depuy Products, Inc. Oriented, cross-linked UHMWPE molding for orthopaedic applications
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
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
CA2429930C (en) 2002-06-06 2008-10-14 Howmedica Osteonics Corp. Sequentially cross-linked polyethylene
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
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
US7344672B2 (en) 2004-10-07 2008-03-18 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
US7883653B2 (en) 2004-12-30 2011-02-08 Depuy Products, Inc. Method of making an implantable orthopaedic bearing
US7879275B2 (en) * 2004-12-30 2011-02-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
US7538379B1 (en) * 2005-06-15 2009-05-26 Actel Corporation Non-volatile two-transistor programmable logic cell and array layout
US8188191B2 (en) * 2006-08-31 2012-05-29 Mitsui Chemicals, Inc. Polyolefin polymer containing vinyl groups at both ends and composition thereof
US8641959B2 (en) * 2007-07-27 2014-02-04 Biomet Manufacturing, Llc Antioxidant doping of crosslinked polymers to form non-eluting bearing components
US7935740B2 (en) 2008-12-30 2011-05-03 Basell Poliolefine Italia S.R.L. Process for producing high melt strength polypropylene
JP2013539812A (ja) 2010-10-14 2013-10-28 リライアンス、インダストリーズ、リミテッド 高溶融強度プロピレン系重合体の調製プロセス
US9586370B2 (en) 2013-08-15 2017-03-07 Biomet Manufacturing, Llc Method for making ultra high molecular weight polyethylene
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 (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1145326A (fr) * 1955-02-16 1957-10-24 Exxon Research Engineering Co Irradiation de polymères
US2948666A (en) * 1956-11-21 1960-08-09 Gen Electric Irradiation process
IT609922A (ko) * 1959-06-06
US3305538A (en) * 1961-11-22 1967-02-21 Montedison Spa Polymerization process
US4335225A (en) * 1978-06-20 1982-06-15 E. I. Du Pont De Nemours And Company Elastomeric polypropylene
US4586995A (en) * 1982-09-17 1986-05-06 Phillips Petroleum Company Polymer and irradiation treatment method
JPS6110411A (ja) * 1984-06-19 1986-01-17 Daicel Chem Ind Ltd 樹脂組成物
ZA86528B (en) * 1985-01-31 1986-09-24 Himont Inc Polypropylene with free-end long chain branching,process for making it,and use thereof
CA1280543C (en) * 1985-01-31 1991-02-19 B. Joseph Scheve Polypropylene with free-end long chain branching, process for making it, and use thereof
US4892851A (en) * 1988-07-15 1990-01-09 Fina Technology, Inc. Process and catalyst for producing syndiotactic polyolefins
US5047446A (en) * 1988-07-22 1991-09-10 Himont Incorporated Thermal treatment of irradiated propylene polymer material
JP2764052B2 (ja) * 1989-05-02 1998-06-11 三井化学株式会社 シンジオタクチックポリプロピレンの製造方法
JP2775705B2 (ja) * 1989-05-30 1998-07-16 三井化学株式会社 シンジオタクチックポリプロピレンの製造方法

Also Published As

Publication number Publication date
EP0451804A3 (en) 1992-09-23
KR930011664B1 (ko) 1993-12-16
CN1056501A (zh) 1991-11-27
DE69129999T2 (de) 1999-02-04
EP0451804A2 (en) 1991-10-16
CN1055703C (zh) 2000-08-23
US5200439A (en) 1993-04-06
EP0451804B1 (en) 1998-08-19
DE69129999D1 (de) 1998-09-24
CA2040226C (en) 1995-05-02

Similar Documents

Publication Publication Date Title
KR910018429A (ko) 신디오탁틱 폴리프로필렌의 분자량의 증대방법
KR890013737A (ko) 감방사선성 수지 조성물
KR930002382A (ko) 배향된 광중합체 및 이의 제조방법
NO155141C (no) Fremgangsmaate for aa redusere innholdet av flyktige organiske stoffer og katalysatorrester i krystallinske aaa-olefinpolymerer eller -copolymerer.
SE7707957L (sv) Forfarande for omvandling av organosiloxaner
KR920004582A (ko) 가죽의 플레싱 방법
KR870007667A (ko) 떡의 부패 방지법
ES2017101B3 (es) Procedimiento de tratamiento de aguas.
KR880000038A (ko) 과일류의 살균 저장방법
KR910019627A (ko) 화상 국부치료용 냉각제
KR890010020A (ko) 폴리페닐렌설피드의 처리방법
KR930019742A (ko) 폴리올레핀 조성물의 살균 방사선에 대한 색안정성의 향상방법
KR870010806A (ko) 생선회(fillet)의 살균저장법
KR870006856A (ko) 분말 또는 입자사료의 멸균 저장법
KR890017287A (ko) 실리콘 에멀젼의 처리방법
KR890003308A (ko) 쑥을 사용한 흡연초 쑥권연
KR920019849A (ko) 저 수축성 폴리에스테르 필름의 제조 방법
NO900710D0 (no) Fremgangsmaate for destruering av hypokloritter i en opploesning av perklorat.
JPS52113054A (en) Method of treating pulp waste liquid or dye waste liquid
KR880012179A (ko) 탄산가스를 이용한 식품 저장방법
KR970036767A (ko) 암레스트 기능을 추가한 컨솔박스의 제조 방법
KR880000304A (ko) 한약재(漢藥材)의 살균, 살충 보관방법
KR900004346A (ko) 피부염 치료제
KR920021070A (ko) 도토리쿨(토토리음료)
KR870006858A (ko) 어묵의 장기안전 저장방법

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20001207

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee