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KR890008221A - 배향 폴리에틸렌필름 - Google Patents

배향 폴리에틸렌필름 Download PDF

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Publication number
KR890008221A
KR890008221A KR1019880015786A KR880015786A KR890008221A KR 890008221 A KR890008221 A KR 890008221A KR 1019880015786 A KR1019880015786 A KR 1019880015786A KR 880015786 A KR880015786 A KR 880015786A KR 890008221 A KR890008221 A KR 890008221A
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KR
South Korea
Prior art keywords
weight
film
polyethylene
polyethylene film
crosslinking
Prior art date
Application number
KR1019880015786A
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English (en)
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KR910004935B1 (ko
Inventor
이타바 야수시
요시후지 유타카
콘도 타카요시
사이트오 케이찌로
요시노 타다오
이자와 미노루
사카모토 이찌로
Original Assignee
원본미기재
토아 넨료 코교 카부시키 카이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from JP62300071A external-priority patent/JPH01141936A/ja
Priority claimed from JP62322954A external-priority patent/JPH01165422A/ja
Priority claimed from JP62327408A external-priority patent/JPH01168426A/ja
Application filed by 원본미기재, 토아 넨료 코교 카부시키 카이샤 filed Critical 원본미기재
Publication of KR890008221A publication Critical patent/KR890008221A/ko
Application granted granted Critical
Publication of KR910004935B1 publication Critical patent/KR910004935B1/ko
Expired legal-status Critical Current

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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
    • C08L23/06—Polyethene
    • 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
    • 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
    • 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
    • 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 four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)

Abstract

내용 없음

Description

배향 폴리에틸렌필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (14)

  1. (A) 최소한 0.935g/㎤의 밀도가 최대 100의 고하중 용융지수 대 용융지수 비율을 갖는 폴리에틸렌 50 내지 90중량% 및 (B) 석유수지 또는 선형 저밀도 폴리에틸렌 50 내지 10중량%로 구성되는 조성물로 이루어지고, 가교결합도가 균일하거나 또는 필름의 두께를 지나 내부쪽으로 감소하는 배향 폴리에틸렌 필름.
  2. 제1항에 있어서, 폴리에틸렌이 중압법 또는 저압법에 의해 제조된 결정성 에틸렌 또는 에틸렌-α-올레핀 공중합체인 것을 특징으로하는 배향 폴리에틸렌 필름.
  3. 제1항에 있어서, 석유 수지가 실질적으로 시클로펜타디엔형과 고급 올레핀형 탄화수소로 구성된 수지 및 그 수지의 수소화물을 이루어진 군으로부터 선택되는 것을 특징으로하는 배향 폴리에틸렌 필름.
  4. 제1항에 있어서, 선형 저밀도 폴리에틸렌이 에틸렌 및 α-올레핀의 공중합체로 구성되는 군으로부터 선택되는 것을 특징으로하는 배향 폴리에틸렌 필름.
  5. 제4항에 있어서, α-올레핀이 부텐-1, 펜텐-1, 헥센-1, 4-메틸펜텐-1, 헵텐-1 및 옥텐-1인 것을 특징으로하는 배향 폴리에틸렌 필름.
  6. 제1항에 있어서, 선형 저밀도 폴리에틸렌이 0.890 내지 0.935g/㎤의 밀도, 0.5 내지 20의 MI 및 3 내지 12의 중량 평균분자량(Mw)/수평균분자당(Mn)의 비를 갖는 것을 특징으로하는 배향 폴리에틸렌 필름.
  7. 제1항에 있어서, 가교결합이 각 시이트의 대향 외부층 부분이 20 내지 70중량%의 겔 부분율을 갖고 시이트의 중간층부분이 0 내지 5중량%의 겔 분율을 갖는 시이트의 형성하도록 행해지는 것을 특징으로하는 배향 폴리에틸렌 필름.
  8. 제7항에 있어서, 외부층부분이 가교결합되고 중간층부분이 비가교결합되고 그 외부층부분/중간층부분/외부층부분의 두께비가 1:0.1:1 내지 1:10:1의 범위인 것을 특징으로하는 배향 폴리에틸렌 필름.
  9. 제1항에 있어서, 가교결합이 스톡 시이트의 양면을 전자 비임으로 조사함으로써 행해지는 것을 특징으로하는 배향 폴리에틸렌 필름.
  10. 제1항에 있어서, 배향 폴리에틸렌 필름이 초소한 300%의 연신비로 최소한 한 방향으로 가교결합된 스톡시이트를 인장함으로써 얻어지는 것을 특징으로하는 배향 폴리에틸렌 필름.
  11. 최소한 0.935g/㎤의 밀도와 최대 50의 고하중 용융지수 대 용융지수 비율을 갖는 고밀도 폴리에틸렌의 50 내지 85중량% 및 선형 저밀도 폴리에틸렌과 석유수지로 이루어지는 군으로부터 선택된 최소한 한 부재 50 내지 15중량%로 구성되는 조성물로 이루어지고 이때 석유 수지의 양은 최대로 25중량%인 것으로, 가교결합도가 필름의 두께를 지나 내부쪽으로 감소되거나 또는 비가교결합 부분이 형성되도록 가교결합이 행해지고 최소한 한 방향으로 배향되는 것을 특징으로하는 수축 라벨용 필름.
  12. 최소한 0.935g/㎤의 밀도와 최대 50의 고하중 용융지수 대 용융지수 비율을 갖는 폴리에틸렌 또는 석유수지를 갖는 상기 폴리에틸렌으로 구성되는 조성물로 이루어지고 20 내지 70중량%의 젤 분율로써 가교결합되고 그리고 최소한 한 방향으로 인장되는 것을 특징으로하는 트위스트 래핑용 필름.
  13. 제12항에 있어서, 가교결합이 가교결합도가 필름 두께를 지나 내부쪽으로 감소되도록 행해지는 것을 특징으로하는 트위스트 래핑용 필름.
  14. 제12항에 있어서, 석유수지가 2 내지 10중량%의 부분으로 혼합되는 것을 특징으로하는 트위스트 래핑용 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880015786A 1987-11-30 1988-11-30 배향 폴리에틸렌 필름 Expired KR910004935B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP300071/87 1987-11-30
JP300,071 1987-11-30
JP62300071A JPH01141936A (ja) 1987-11-30 1987-11-30 ポリエチレン延伸フイルム
JP322954/87 1987-12-22
JP62322954A JPH01165422A (ja) 1987-12-22 1987-12-22 ひねり包装用フイルム
JP322,954 1987-12-22
JP327,408 1987-12-25
JP62327408A JPH01168426A (ja) 1987-12-25 1987-12-25 シユリンクラベル用フイルム
JP327408/87 1987-12-25

Publications (2)

Publication Number Publication Date
KR890008221A true KR890008221A (ko) 1989-07-10
KR910004935B1 KR910004935B1 (ko) 1991-07-18

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KR1019880015786A Expired KR910004935B1 (ko) 1987-11-30 1988-11-30 배향 폴리에틸렌 필름

Country Status (4)

Country Link
US (1) US5043204A (ko)
EP (1) EP0319258B1 (ko)
KR (1) KR910004935B1 (ko)
DE (1) DE3881843T2 (ko)

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Also Published As

Publication number Publication date
US5043204A (en) 1991-08-27
DE3881843T2 (de) 1993-09-30
EP0319258A3 (en) 1990-04-04
DE3881843D1 (de) 1993-07-22
EP0319258A2 (en) 1989-06-07
EP0319258B1 (en) 1993-06-16
KR910004935B1 (ko) 1991-07-18

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