KR960034296A - 중포장백용 폴리에틸렌수지 조성물 및 그것으로부터 제조한 폴리에틸렌수지필름 - Google Patents

중포장백용 폴리에틸렌수지 조성물 및 그것으로부터 제조한 폴리에틸렌수지필름 Download PDF

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KR960034296A
KR960034296A KR1019960008613A KR19960008613A KR960034296A KR 960034296 A KR960034296 A KR 960034296A KR 1019960008613 A KR1019960008613 A KR 1019960008613A KR 19960008613 A KR19960008613 A KR 19960008613A KR 960034296 A KR960034296 A KR 960034296A
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polyethylene resin
density
weight
ethylene
parts
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KR1019960008613A
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KR0172609B1 (ko
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아끼히꼬 야마모토
나오시 하마다
토시히로 니시무라
꼬우지 끼타하라
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고다 시게노리
미쓰이세키유가가쿠고교 가부시끼가이샤
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    • 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
    • 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
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • 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

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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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Bag Frames (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

본 발명은 특정한 MFR, 특정한 밀도, 특정한 용융강력을 가지며, (I)에틸렌과 탄소원자수 4이상의 α-올레핀으로부터 제조하며, 특정한 MFR과 특정한 분자량 분포(Mw/Mn)를 가지며, 밀도가 0.900~0.918g/㎤인 선상 저밀도 폴리에틸렌수지와, (Ⅱ) 밀도가 0.935~0.970g/㎤인 선상 중밀도 또는 고밀도 폴리에틸렌수지와, (Ⅲ) 밀도가 0.915~0.924g/㎤인 고압법 저밀도 폴리에틸렌수지를 특정한 비율로 함유한 중포장백용 폴리에틸렌수지 조성물 및 상기 조성물로부터 제조한 폴리에틸렌수지 필름에 관한 것이다. 이 조성물은 저온 낙하-백강도등의 저온 특성이 우수하여, 빙점하의 한냉지역에서도 중포장백에 유용하게 사용할 수 있는 필름을 제공할 수 있다. 이 폴리에틸렌수지 필름은 상기한 효과를 발휘한다.

Description

중포장백용 폴리에틸렌수지 조성물 및 그것으로부터 제조한 폴리에틸렌수지필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. (I) 에틸렌과 탄소원자수 4이상의 α-올레핀으로 되고, 멜트 폴로 레이드(190℃)가 0.1~1.0g/10분이며, 밀도가 0.900~0.918g/cm3이며, GPC법에 의해 측정한 분자량분포(Mw/Mn)가 1.5~3.5인 선상 저밀도 폴리에틸렌수지 40~70중량부와 (Ⅱ) 밀도가, 0.935~0.970g/cm3인 선상 중밀도 또는 고밀도 폴리에틸렌수지 1~55중량부와, (Ⅲ) 밀도가 0.915~0.924g/cm3인 고압법 저밀도 폴리에틸렌수지 5~29중량부로 되고, (상기 수지(Ⅰ),(Ⅱ),(Ⅲ)의 합계가 100중량부임) 이기 폴리에틸렌수지 조성물은 (ⅰ)멜트 플로 레이드(190℃)가 0.5~2.0g/10분이며,(ⅱ) 밀도가 0.918~0.935g/cm3이며, (ⅲ) 용융장력이 5g이상인, 중포장백용 폴리에틸렌수지 조성물.
  2. 제1항에 있어서, 선상 저밀도 폴리에틸렌수지(I)는 에틸렌과 탄소원자수 4 이상의 α-올레핀을 메탈로센 촉매의 존재하에 공중합하여 제조된 에틸렌/α-올레핀 공중합체인 폴리에틸렌수지 조성물.
  3. 제1항에 있어서, 선상 저밀도 또는 고밀도 폴리에틸렌수지(Ⅱ)는 멜트 폴로 레이트(190℃)가 2.0~60g/10분인 폴리에틸렌수지 조성물.
  4. (I) 에틸렌과 탄소원자수 4이상의 α-올레핀으로 되고, 멜트 폴로 레이트(190℃)가 0.1~1.0g/10분이며, 밀도가 0.900~0.918g/cm3이며, GPC법에 의해 측정한 분자량분포(Mw/Mn)가 1.5~3.5인 선상 저밀도 폴리에틸렌수지 40~70중량부와 (Ⅱ) 밀도가, 0.935~0.970g/cm3인 선상 중밀도 또는 고밀도 폴리에틸렌수지 1~55중량부와, (Ⅲ) 밀도가 0.915~0.924g/cm3인 고압법 저밀도 폴리에틸렌수지 5~29중량부로 되고, (상기 수지(Ⅰ),(Ⅱ),(Ⅲ)의 합계는 100중량부임) 멜트플로레이트(190℃)가 0.5~2.0g/10분이며, 밀도가 0.918~0.935g/cm3이며, 용융장력이 5g이상인 폴리에틸렌수지/조성물로부터 공냉인플레이션법으로 제조한 필름이며, 이 필름은 (ⅰ) 인장 영율이 4,000kg/㎠이상이며,(ⅱ)다트 충격강도가 55kg/cm이상인, 중포장백용 폴리에틸렌수지 필름.
  5. 제4항에 있어서, 선상 저밀도 폴리에틸렌수지(I)는 에틸렌과 탄소원자수 4 이상의 α-올레핀을 메탈로센 촉매의 존재하에 공중합하여 제조한 에틸렌/α-올레핀 공중합체인 폴리에틸렌수지 필름.
  6. 제4항에 있어서, 선상 중밀도 또는 고밀도 폴리에틸렌수지(Ⅱ)는 멜트 플로 레이트(190℃)가 2.0~60g/10분인 폴리에틸렌수지 필름.
  7. 제4항~제6항 중의 어느 1항에 있어서, 필름의 광택도가 50% 이상인 폴리에틸렌수지 필름.
  8. 제4항~제6항 중의 어느 1항에 있어서, 필름의 두께가 30~200㎛인 폴리에틸렌수지 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960008613A 1995-03-29 1996-03-27 중포장백용 폴리에틸렌수지 조성물 및 그것으로부터 제조한 폴리에틸렌수지필름 KR0172609B1 (ko)

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JP07207295A JP3375780B2 (ja) 1995-03-29 1995-03-29 重包装袋用ポリエチレン樹脂組成物およびその組成物からなる重包装袋用ポリエチレン樹脂フィルム
JP95-072072 1995-03-29

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US (1) US5756193A (ko)
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CN (1) CN1105140C (ko)
CA (1) CA2172941C (ko)
DE (1) DE69613262T2 (ko)
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