KR950005855A - 에틸렌-α알파 올레핀 공중합체 및 이의 성형체 - Google Patents

에틸렌-α알파 올레핀 공중합체 및 이의 성형체 Download PDF

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KR950005855A
KR950005855A KR1019940020828A KR19940020828A KR950005855A KR 950005855 A KR950005855 A KR 950005855A KR 1019940020828 A KR1019940020828 A KR 1019940020828A KR 19940020828 A KR19940020828 A KR 19940020828A KR 950005855 A KR950005855 A KR 950005855A
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South Korea
Prior art keywords
ethylene
olefin copolymer
average molecular
molecular weight
copolymer according
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KR1019940020828A
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KR100318641B1 (ko
Inventor
유지 간다
도시유끼 고꾸보
유후 사또
도시오 사사끼
히로유끼 시라이시
유지 시게마쓰
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고우사이 아끼오
스미또모가가꾸고오교 가부시끼가이샤
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    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

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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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

(A) 밀도가 0.870 내지 0.945g/㎤이고, (B) 용융 상태에서의 3개 이상의 온도에서 동적 점탄성(dynamic viscoelasticity)을 측정하여 결정한 유동 활성 에너지 Ea(J/molk)와 용융 유속 MFR(g/10분)의 관계가 하기식(Ⅰ)의 조건을 만족하며;
logEa≥4.6-0.04×log MER ⑴
(C) 하기식⑵로 표시되는 화학 조성 분포의 변이의 계수 Cx가 0.40 내지 0.80이고;
Cx=/SCBave⑵
(상기식에서, σ는 조성 분포의 표준 편차(1/1,000 C)이며 SCBave는 1,000 C 당 단쇄 분기의 평균치(1/1,000 C)이다, (D) 수평균 분자량 Mn에 대한 중량 평균 분자량 Mw의 비(Mw/Mn)가 3내지 20인 에틸렌-σ-올레핀 공중합체.

Description

에틸렌-α-올레핀 공중합체 및 이의 성형체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. (A) 밀도가 0.870 내지 0.945g/㎤이고, (B) 용융 상태에서의 3개 이상의 온도에서 동적 점탄성(dynamic viscoelasticity)을 측정하여 결정한 유동 활성 에너지 Ea(J/molk)와 용융 유속 MFR(g/10분)의 관계가 하기식(Ⅰ)의 조건을 만족하며;
    logEa≥4.6-0.04×log MER ⑴
    (C) 하기식⑵로 표시되는 화학 조성 분포의 변이의 계수 Cx가 0.40 내지 0.80이고;
    Cx=/SCBave⑵
    (상기식에서, σ는 조성 분포의 표준 편차(1/1,000 C)이며 SCBave는 1,000 C 당 단쇄 분기의 평균치(1/1,000 C)이다, (D) 수평균 분자량 Mn에 대한 중량 평균 분자량 Mw의 비(Mw/Mn)가 3내지 20인 에틸렌-σ-올레핀 공중합체.
  2. 제1항에 있어서, 중량 평균 분자량(E)이 30,000 내지 600,000 임을 특징으로 하는 에틸렌-α-올레핀 공중합체.
  3. 제1항에 있어서, 밀도(A)가 0.885 내지 0.935g/㎤임을 특징으로 하는 에틸렌-α-올레핀 공중합체.
  4. 제1항에 있어서, 계수(C) Cx가 0.45 내지 0.75임을 특징으로 하는 에틸렌-α-올레핀 공중합체.
  5. 제1항에 있어서, 비(D) Mw/Mn이 3 내지 10임을 특징으로 하는 에틸렌-α-올레핀 공중합체.
  6. 제1항에 있어서, 비(D) Mw/Mn이 3 내지 5임을 특징으로 하는 에틸렌-α-올레핀 공중합체.
  7. 제1항에 있어서, 중량 평균 분자량(E)이 40,000 내지 400,000 임을 특징으로 하는 에틸렌-α-올레핀 공중합체.
  8. 제1항 또는 제2항에 따르는 에틸렌-α-올레핀 공중합체를 이용하여 이루어지는 성형체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940020828A 1993-08-23 1994-08-23 에틸렌-α-올레핀공중합체및이의성형체 KR100318641B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-207496 1993-08-23
JP20749693A JP3344015B2 (ja) 1993-08-23 1993-08-23 エチレン−αオレフィン共重合体及び該共重合体から成形されてなる成形体

Publications (2)

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KR950005855A true KR950005855A (ko) 1995-03-20
KR100318641B1 KR100318641B1 (ko) 2002-03-20

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EP (1) EP0640627B1 (ko)
JP (1) JP3344015B2 (ko)
KR (1) KR100318641B1 (ko)
CN (1) CN1075522C (ko)
CA (1) CA2130502C (ko)
DE (1) DE69433657T2 (ko)
SG (1) SG85579A1 (ko)
TW (1) TW314526B (ko)

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JP5493238B2 (ja) * 2005-09-30 2014-05-14 住友化学株式会社 エチレン−α−オレフィン共重合体および成形体
JP5167742B2 (ja) * 2006-09-29 2013-03-21 住友化学株式会社 加圧発泡成形用樹脂組成物、加圧発泡成形体、加圧発泡成形体の製造方法、履き物用部材および履き物
JP2008208351A (ja) * 2007-01-31 2008-09-11 Sumitomo Chemical Co Ltd エチレン−α−オレフィン系共重合体の製造方法
JP2008208353A (ja) * 2007-01-31 2008-09-11 Sumitomo Chemical Co Ltd エチレン−α−オレフィン−ポリエン共重合体の製造方法
JP5151838B2 (ja) * 2008-09-11 2013-02-27 住友化学株式会社 農業用フィルム
JP2010116567A (ja) * 2010-02-03 2010-05-27 Sumitomo Chemical Co Ltd ポリオレフィン系樹脂フィルムおよび袋
JP6017532B2 (ja) * 2011-03-28 2016-11-02 ダウ グローバル テクノロジーズ エルエルシー 溶融強度が増大したエチレン／α−オレフィンコポリマーおよびその物品を製造する方法
JP6466088B2 (ja) * 2014-06-12 2019-02-06 萩原工業株式会社 人工芝パイル用原糸、及びそれを用いた人工芝
JP6696928B2 (ja) 2017-03-23 2020-05-20 日本エイアンドエル株式会社 ポリカーボネート改質剤、改質されたポリカーボネート樹脂、及び改質されたポリカーボネート樹脂の製造方法
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Also Published As

Publication number Publication date
EP0640627B1 (en) 2004-03-31
TW314526B (ko) 1997-09-01
SG85579A1 (en) 2002-01-15
DE69433657T2 (de) 2005-02-10
JP3344015B2 (ja) 2002-11-11
KR100318641B1 (ko) 2002-03-20
EP0640627A1 (en) 1995-03-01
JPH0762031A (ja) 1995-03-07
CN1103407A (zh) 1995-06-07
DE69433657D1 (de) 2004-05-06
CA2130502A1 (en) 1995-02-24
CN1075522C (zh) 2001-11-28
CA2130502C (en) 2005-06-28

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