KR890004851A - 고파단 에너지를 갖는 초고분자량의 에틸렌/α-올레핀 공중합체의 연신성형체 및 이의 제조방법 - Google Patents

고파단 에너지를 갖는 초고분자량의 에틸렌/α-올레핀 공중합체의 연신성형체 및 이의 제조방법 Download PDF

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KR890004851A
KR890004851A KR1019880012812A KR880012812A KR890004851A KR 890004851 A KR890004851 A KR 890004851A KR 1019880012812 A KR1019880012812 A KR 1019880012812A KR 880012812 A KR880012812 A KR 880012812A KR 890004851 A KR890004851 A KR 890004851A
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South Korea
Prior art keywords
molecular weight
high molecular
olefin copolymer
molded article
weight ethylene
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KR1019880012812A
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English (en)
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가즈오 야기
히로유키 다케다
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다케바야시 쇼고
미츠이 세키유 카가쿠 코교 가부시기가이샤
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Application filed by 다케바야시 쇼고, 미츠이 세키유 카가쿠 코교 가부시기가이샤 filed Critical 다케바야시 쇼고
Publication of KR890004851A publication Critical patent/KR890004851A/ko

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    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/30—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0088—Molecular weight
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

내용 없음

Description

고파단 에너지를 갖는 초고분자량의 에틸렌/-올렌핀 공중합체의 연신성형체 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명에 따른 초 고분자량의 에틸렌/올레핀 공중합체의 연신 필라멘트의 스트레스-스트레인 커브를 나타내는 도면
제 2도는 초 고분자량의 연신 필라멘트의 스트레스-스트레인 커브를 나타내는 도면

Claims (6)

  1. 고 파단에너지를 갖는 초 고분자량 에틸렌/-올레핀 공중합체의 연신 성형체를 제조함에 있어서, (a)적어도 5dl/g 고유점도[]를 가지는 초 고분자량 에틸렌/-올레핀 공중합체의 15내지 80중량부와 85내지 20중량부의 희석제를 함유하며 그-올렌핀은 적어도 4탄소원자를 가지는 것으로서 0.2내지 5몰 %로 함유되는, 초 고분자량 에틸렌/-올레핀 공중합체를 성형 다이의 노즐로부터, 유동상태로 두우프를 유지하기에 충분한 온도에서 압출시키며, (b) 그 압출물을 적어도 3의 드래프트 비율로 테이크 업(take up)하며, 그테이크-업 조작중 또는 그 후에 초 고분자량 에틸렌/-올레핀 공중합체를 결정화하여 예비 연신된 배향체를 만들고, (c) 예비 연신된 배향체를 적어도 3의 연신률로 연신시킴을 특징으로 하는 방법,
  2. 제 1항에 있어서, 그 연신 성형체가 적어도 80 J/g의 파단 에너지와 파단시 적어도 6%의 신장률을 갖는것을 특징으로 하는, 초 고분자량 에틸렌/-올레핀 공중합체의 연신 성형체를 제조하는 방법.
  3. 제 1항에 있어서, 초 고분자량 에틸렌/-올레핀 공중합체의 고유 점도가 7 내지 30dl/g인 것을 특징으로 하는 초 고분자량 에틸렌/-올레핀 공중합체의 연신 성형체의 제조방법.
  4. 적어도 5dl/g의 고유 점도[]을 가지며, 적어도 4탄소원자를 갖는-올레핀을 0.2내지 5몰%로 함유하며, 그 연신 성형체의 배향 정도는X-레이 회절 분석법의 1/2넓이의 배향 정도를 측정한 바에 의하면 적어도 0.93이며 그 연신 성형체의 파단 에너지는 스트레인-스트레인 커브에서 파단점가지의 통합 값으로 측정한 바에 의하면 적어도 80 J/g인 것을 특징으로 하는 초 고분자량 에틸렌/0올레핀 공중합체의 연신 성형체.
  5. 제 4항에 있어서, 적어도 2.0GPa의 인장 강도와, 파단시 적어도 6%의 신장률을 갖는 연신 성형체
  6. 제 4항에 있어서, 그 연신 성형체가 그 측정이 차동 스케닝 칼로리미터에 의해 제한된 상태에서 수행될때 적어도 2개의 결정 용융 흡열 피이크를 가지며, 그 연신 성형체는 이차 온도 상승시 주요 용융 흡열 피이크로 측정된 초 고분자량 에틸렌/-올레핀 공중합체의 고유 결정 용융 온도(Tm) 보다 적어도 20℃가 높은 적어도 하나의 결정 용융 흡열 피이크(Tp)를 가지며, 이 결정 용융 흡열 피이크(Tp)에 근거한 가열량이 총 용융 가열량의 적어도 15%인 것을 특징으로 하는 연신 성형체.
    ※참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019880012812A 1987-09-30 1988-09-30 고파단 에너지를 갖는 초고분자량의 에틸렌/α-올레핀 공중합체의 연신성형체 및 이의 제조방법 KR890004851A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62244246A JPH0823084B2 (ja) 1987-09-30 1987-09-30 高破断エネルギーを有する超高分子量エチレン・α―オレフィン共重合体延伸成形体
JP62-244246 1987-09-30

Publications (1)

Publication Number Publication Date
KR890004851A true KR890004851A (ko) 1989-05-10

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Application Number Title Priority Date Filing Date
KR1019880012812A KR890004851A (ko) 1987-09-30 1988-09-30 고파단 에너지를 갖는 초고분자량의 에틸렌/α-올레핀 공중합체의 연신성형체 및 이의 제조방법

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EP (1) EP0310423A1 (ko)
JP (1) JPH0823084B2 (ko)
KR (1) KR890004851A (ko)
CN (1) CN1032761A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0320690D0 (en) * 2003-09-03 2003-10-01 Solvay Polyethylene composition for nets
WO2006128494A1 (en) * 2005-05-30 2006-12-07 Pirelli Tyre S.P.A. Pneumatic tire with composite bead core

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3363610D1 (en) * 1982-12-28 1986-06-26 Mitsui Petrochemical Ind Process for producing stretched articles of ultrahigh-molecular-weight polyethylene
JPS59187614A (ja) * 1983-04-07 1984-10-24 Mitsui Petrochem Ind Ltd 超高分子量ポリエチレン延伸物の製造法
EP0135253B2 (en) * 1983-06-16 1993-04-21 Agency Of Industrial Science And Technology Process for producing an ultrahigh-molecular-weight polyethylene composition
NL8402963A (nl) * 1984-09-28 1986-04-16 Stamicarbon Werkwijze voor het bereiden van dunne films van hoogmolekulaire polyalkenen.
JPH0341732Y2 (ko) * 1985-05-17 1991-09-02

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CN1032761A (zh) 1989-05-10
JPH0192407A (ja) 1989-04-11
JPH0823084B2 (ja) 1996-03-06
EP0310423A1 (en) 1989-04-05

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