KR900004828A - 폴리에틸렌 수지조성물과 그것으로 제조한 필름 - Google Patents

폴리에틸렌 수지조성물과 그것으로 제조한 필름 Download PDF

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KR900004828A
KR900004828A KR1019890012627A KR890012627A KR900004828A KR 900004828 A KR900004828 A KR 900004828A KR 1019890012627 A KR1019890012627 A KR 1019890012627A KR 890012627 A KR890012627 A KR 890012627A KR 900004828 A KR900004828 A KR 900004828A
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polyethylene resin
density
iii
mfr
resin composition
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KR1019890012627A
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KR920000172B1 (ko
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다까시 마쓰나가
도시히로 니시무라
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다께바야시 쇼오고
미쓰이 세끼유 가가꾸 고오교오 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
    • 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
    • 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)
  • Materials For Medical Uses (AREA)
  • Laminated Bodies (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

내용 없음.

Description

폴리에틸렌 수지조성물과 그것으로 제조한 필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. (A) (i) MFR190t가 0.3~3.0g/10분이고, (ii) 밀도가 0.900∼0.918g/cc이고, (iii) MI20/MI2가 40이하이고 (iv) 시차 스캐닝(scanning)열량에 의해 측정한 융점의 흡열피크가 1개 이상이며, 피크가 두개 이상일때는 최고 융점(Tm1)이 118~125℃이며, 최고융점의 흡열피크높이(Tm1H)와 두번째로 높은 온도측의 흡열피크높이(Tm2H)의 비가 1.2이하이고, (v) 공단량체로서 탄소원자수가 4개 이상인 α-올레핀을 포함하는 선상 저밀도 폴리에틸렌수지 30∼50중량%와, (B) (i) MFR190t가 0.01~0.2g/10분이고, (ii) 밀도가 0.935~0.950g/cc이고, (iii) MI20/MI2가 80이상인 고밀도 폴리에틸렌수지 20~40중량%와, (C) (i) MFR190t가 0.1~2.0g/10분이고, (ii) 밀도가 0.915~0.924g/cc이고, (iii) 용융장력이 5g이상인 고압저밀도 폴리에틸렌수지 10∼40중량%로 구성되며, (i) MFR190t가 0.2∼1.0g/10분이고, (ii) 밀도가 0.918~0.935g/cc이고, (iii) 용융장력이 5g이상인 것이 특징인 폴리에틸렌 수지조성물.
  2. 제1항에서, 상기 조성물이 상기 선상 저밀도 폴리에틸렌수지(A) 35~50중량%와, 상기 고밀도 폴리에틸렌수지(B) 20∼35중량%와, 상기 고압 저밀도 폴리에틸렌수지(C) 20∼35중량%를 포함하는 것이 특징인 폴리에틸렌 수지조성물.
  3. 제1항에서, 상기 선상 저밀도 폴리에틸렌 수지(A)내의 상기 공단량체의 함량이 0.5∼40몰%인 것이 특징인 폴리에틸렌 수지조성물.
  4. 제1항에서, 상기 선상 저밀도 폴리에틸렌수지(A)는 (i) MFR190t이 0.5∼2.5g/10분이고, (ii) 밀도가 0.900~0.915g/cc이고, (iii) MI20/MI2가 15∼35이고, (iv) 최고융점(Tm1)이 118∼123℃이며, Tm1H/Tm2H비가 1.0이하인 것이 특징인 폴리에틸렌 수지조성물.
  5. 제1항에서, 상기 고밀도 폴리에틸렌수지(B)가 적어도 에틸렌 단독중합체와 에틸렌과 탄소수가 3~20인 10몰%이하의 α-올레핀류의 공중합체로 된 그룹에서 선택된 것중의 하나인 것이 특징인 폴리에틸렌 수지조성물.
  6. 제1항에서, 상기 고밀도 폴리에틸렌수지(B)는 (i) MFR190t이 0.03∼0.1g/10분이고, (ii) 밀도가 0.935~0.945g/cc이며, MI20/MI2가 90이상인 것이 특징인 폴리에틸렌 수지조성물.
  7. 제1항에서, 상기 고압 저밀도 폴리에틸렌 수지(C)가 적어도 에틸렌과 2∼10몰%의 초산비닐의 공중합체와 에틸렌 단독중합체로 이루어지는 그룹에서 선택된 것중의 하나인 것이 특징인 폴리에틸렌 수지조성물.
  8. 제1항에서, 상기 고압 저밀도 폴리에틸렌 수지(C)는 (i) MFR190t가 0.1~1.0g/10분이고, (ii) 밀도가 0.918~0.924g/cc이고, (iii) 용융장력이 7g이상인 것이 특징인 폴리에틸렌 수지조성물.
  9. 제1항에서, (i) MFR190t가 0.3~0.8g/10분이고, (ii) 밀도가 0.920∼0.930g/cc이고, (iii) 용융장력이 6g이상인 것이 특징인 폴리에틸렌 수지조성물.
  10. (A) (i) MFR190t가 0.3∼3.0g/10분이고, (ii) 밀도가 0.900∼0.918g/cc이고, (iii) MI20/MI2가 40이하이고, (iv) 시차 스캐닝(scanning)열량에 의해 측정한 융점의 흡열피크가 1개 이상이며, 그 피크수가 2개 이상인 경우, 최고 융점(Tm1)이 118~125℃이며 최고융점의 흡열피크높이(Tm1H)와 두번째로 높은 온도측의 흡열피크높이(Tm2H)의 비가 1.2이하이며,(v) 공단량체로서 4개 이상의 탄소원자수를 갖는 선상 저밀도 폴리에틸렌수지 30-50중량%와, (B) (i) MFR190t가 0.01~0.2g/10분이고, (ii) 밀도가 0.935~0.950g/cc이고, (iii) MI20/MI2가 80이상인 고밀도 폴리에틸렌수지 20~40중량%와, (C) (i) MFR190t가 0.1~2.0g/10분이고, (ii) 밀도가 0.915~0.924g/cc이고, (iii) 용융장력이 5g이상인 고압저밀도 폴리에틸렌수지 10~40중량%로 구성되며, (i) MFR190t가 0.2~1.0g/10분이고, (ii) 밀도가 0.918∼0.935g/cc이고, (iii) 용융장력이 5g이상인 것이 폴리에틸렌 수지조성물을 공냉팽창법으로 성형하여 얻은 (i) 광택도가 50%이상이고, (ii) 영률이 3500kg/cm이며, (iii) 다아트(dart)충격강도가 40kg/cm이상인 것이 특징인 두께가 50~250㎛인 폴리에틸렌 수지필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890012627A 1988-09-01 1989-09-01 폴리에틸렌 수지조성물과 그것으로 제조한 필름 KR920000172B1 (ko)

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Application Number Priority Date Filing Date Title
JP63219431A JP2643348B2 (ja) 1988-09-01 1988-09-01 ポリエチレン樹脂組成物およびフィルム
JP63-219431 1988-09-01
JP83-219431 1988-09-01

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KR920000172B1 KR920000172B1 (ko) 1992-01-09

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US (1) US5089322A (ko)
EP (1) EP0359440B1 (ko)
JP (1) JP2643348B2 (ko)
KR (1) KR920000172B1 (ko)
CN (2) CN1040447C (ko)
AT (1) ATE107331T1 (ko)
CA (1) CA1340356C (ko)
DE (1) DE68916139T2 (ko)
ES (1) ES2055079T3 (ko)

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Also Published As

Publication number Publication date
CN1041961A (zh) 1990-05-09
CN1040447C (zh) 1998-10-28
ES2055079T3 (es) 1994-08-16
DE68916139D1 (de) 1994-07-21
EP0359440A3 (en) 1991-01-30
EP0359440B1 (en) 1994-06-15
KR920000172B1 (ko) 1992-01-09
CA1340356C (en) 1999-01-26
JPH0267347A (ja) 1990-03-07
CN1045974C (zh) 1999-10-27
ATE107331T1 (de) 1994-07-15
DE68916139T2 (de) 1994-09-22
JP2643348B2 (ja) 1997-08-20
EP0359440A2 (en) 1990-03-21
US5089322A (en) 1992-02-18
CN1106422A (zh) 1995-08-09

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