KR900000387A - 폴리에틸렌의 제조방법 - Google Patents

폴리에틸렌의 제조방법 Download PDF

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Publication number
KR900000387A
KR900000387A KR1019880017138A KR880017138A KR900000387A KR 900000387 A KR900000387 A KR 900000387A KR 1019880017138 A KR1019880017138 A KR 1019880017138A KR 880017138 A KR880017138 A KR 880017138A KR 900000387 A KR900000387 A KR 900000387A
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South Korea
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component
intrinsic viscosity
ethylene
polyethylene
less
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KR1019880017138A
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KR940008983B1 (ko
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모리히꼬 사또오
가나메 오오하시
게이지 스기하라
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나까다니 하루오
도오소오 가부시끼가이샤
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Priority claimed from JP63153601A external-priority patent/JP2712307B2/ja
Application filed by 나까다니 하루오, 도오소오 가부시끼가이샤 filed Critical 나까다니 하루오
Publication of KR900000387A publication Critical patent/KR900000387A/ko
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Publication of KR940008983B1 publication Critical patent/KR940008983B1/ko

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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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene
    • 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
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00—Polymer mixtures characterised by way of preparation
    • C08L2314/02—Ziegler natta catalyst

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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)
  • Polymerisation Methods In General (AREA)

Abstract

내용 없음.

Description

폴리에틸렌의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 시간에 따른 에틸렌의 반응량을 보여주는 그래프이다.

Claims (2)

  1. 찌글러형 촉매의 존재하에 에틸렌 또는 소량의 α-올레핀을 연속한 다단계로 중합하는 방법에 있어서, 3기 이상의 중합기로부터 이루어진 중합장치를 사용하여, (U성분) : α-올레핀 함유량 αu이 0.1 내지 10중량%, 극한점도[η]u이 전에틸렌 중합체의 극한점도[η]W에 대하여, 2×[η]W≤[η]u≤5×[η]W이며, 전에틸렌 중합체중에 점유하는 U성분의 비율 Ru이, 0.3×[η]W≤[η]u×Ru≤0.8×[η]W을 만족하는 성분 (H성분) : α-올레핀 함유량 αH이 20중량% 이하이며, 극한점도 [η]H이 ([η]W)2/2≤[η]H≤1.5×[η]W이며, 전에틸렌 중합체중에 점하는 H성분의 비율 RH이 0.25×[η]W≤[η]H×RH≤0.7×[η]W를 만족하는 성분, (L성분) : α-올레핀 함유량 αL이 10중량% 이하이며, 극한점도[η]L이 0.2[η]L≤2.0이며, 전에틸렌 중합체중에 점하는 L성분의 비율 RL이 [η]L×RL≥0.05×[η]W를 만족하는 성분이며, 또한 Ru+RH+RL=1.0으로 Ru, RH, RL는 모두 1미만이며, αu×Ru≥0.2×(αu×Ru+αH×RH+αL×RL)을 만족하는 에틸렌 중합체를 임의의 순서로 제조를 행하고, 촉매로서, H성분에 상당하는 중합체를 단독중합한 경우에, 그 분자량 분포 Mw/Mn이 7 내지 17의 범위에 있는 폴리에틸렌을 얻고, 그때의 실활속도 정수 Kd ＞0.3(Hr-1)인 촉매를 사용하여, 전에틸렌 중합체의 극한점도[η]W이 1.5≤[η]W≤4.0인 폴리에틸렌을 제조하는 것을 특징으로 하는 폴리에틸렌의 제조방법.
  2. 찌글러형 촉매의 존재하, 에틸렌 또는 소량의 α-올레핀을 연속한 다단계로 중합하는 방법에 있어서, 3기 이상의 중합기로부터 이루어진 중합장치를 사용하여, (U성분) : α-올레핀 함유량 αu이 0.1 내지 10중량%, 극한점도[η]u이 전에틸렌 중합체의 극한점도[η]W에 대하여, 2×[η]W≤[η]u≤5×[η]W이며, 전에틸렌 중합체중에 점유하는 U성분의 비율 Ru이, 0.3×[η]W≤[η]u×Ru≤0.8×[η]W을 만족하는 성분, (H성분) : α-올레핀 함유량 αH이 20중량% 이하이며, 극한점도 [η]H이 ([η]W)1/2≤[η]H≤1.5×[η]W이며, 전에틸렌 중합체중에 점하는 H성분의 비율 RH이 0.25×[η]c≤[η]h≤0.7×[η]W를 만족하는 성분, (L성분) : α-올레핀 함유량 αL이 10중량% 이하이며, 극한점도[η]L이 0.2≤[η]L≤2.0이며, 전에틸렌 중합체중에 점하는 L성분의 비율 RL이 [η]L×RL≥0.05×[η]W를 만족하는 성분이며, 또한 Ru+RH+RL=1.0으로 Ru, RH, RL는 모두 1미만이며, αu×Ru≥0.2×(αu×Ru+αH×Ru+αL×RL)을 만족하는 에틸렌 중합체를 임의의 순서로 제조를 행하고, 촉매로서, H성분에 상당하는 중합체를 단독중합한 경우에, 그 분자량 분포 Mw/Mn이 7 내지 17의 범위에 있는 폴리에틸렌을 얻고, 그때의 실활속도 정수 Kd ＞0.3(Hr-1)인 촉매를 사용하여, 전에틸렌 중합체의 극한점도[η]W이 1.5≤[η]W≤4.0인 폴리에틸렌을 제조하여, 얻어진 폴리에틸렌에 라디칼 발생제를 접촉시키는 것을 특징으로 하는 폴리에틸렌의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880017138A 1988-06-23 1988-12-21 폴리에틸렌의 제조방법 KR940008983B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63153601A JP2712307B2 (ja) 1987-06-23 1988-06-23 ポリエチレンの製造方法
JP63-153601 1988-06-23

Publications (2)

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KR900000387A true KR900000387A (ko) 1990-01-30
KR940008983B1 KR940008983B1 (ko) 1994-09-28

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US (1) US4975485A (ko)
EP (1) EP0350339B1 (ko)
KR (1) KR940008983B1 (ko)

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Also Published As

Publication number Publication date
KR940008983B1 (ko) 1994-09-28
EP0350339A2 (en) 1990-01-10
US4975485A (en) 1990-12-04
EP0350339B1 (en) 1995-08-23
EP0350339A3 (en) 1991-10-09

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