KR910018429A - 신디오탁틱 폴리프로필렌의 분자량의 증대방법 - Google Patents

신디오탁틱 폴리프로필렌의 분자량의 증대방법 Download PDF

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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
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KR
South Korea
Prior art keywords
molecular weight
polypropylene
syndiotactic polypropylene
increasing molecular
syndiotactic
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KR1019910005943A
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English (en)
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KR930011664B1 (ko
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타다시 아사누마
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사와무라 하루오
미쓰이도오아쓰 가가쿠 가부시키가이샤
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Publication of KR910018429A publication Critical patent/KR910018429A/ko
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Publication of KR930011664B1 publication Critical patent/KR930011664B1/ko

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    • 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
    • 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943—Polymerization with metallocene catalysts

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  • 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
JP2-96546 1990-04-13
JP9654690 1990-04-13
JP???2-096546 1990-04-13
JP???2-138252 1990-05-30
JP2-138252 1990-05-30
JP13825290 1990-05-30
JP???2-325514 1990-11-29
JP2-325514 1990-11-29
JP32551490 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)

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US8563623B2 (en) * 1996-02-13 2013-10-22 The General Hospital Corporation Radiation melt treated ultra high molecular weight polyethylene prosthetic devices
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WO1999010392A1 (en) 1997-08-27 1999-03-04 The Dow Chemical Company Elastomers with improved processability
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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
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Also Published As

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

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