KR890002291A - 연신포장용 필름 - Google Patents

연신포장용 필름 Download PDF

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Publication number
KR890002291A
KR890002291A KR1019880008438A KR880008438A KR890002291A KR 890002291 A KR890002291 A KR 890002291A KR 1019880008438 A KR1019880008438 A KR 1019880008438A KR 880008438 A KR880008438 A KR 880008438A KR 890002291 A KR890002291 A KR 890002291A
Authority
KR
South Korea
Prior art keywords
melting point
packaging film
measured
astm
stretch
Prior art date
Application number
KR1019880008438A
Other languages
English (en)
Other versions
KR910004046B1 (ko
Inventor
다까시 마쯔나가
게이이찌 미우라
Original Assignee
다께바야시 쇼오고
미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤
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.)
Filing date
Publication date
Application filed by 다께바야시 쇼오고, 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 filed Critical 다께바야시 쇼오고
Publication of KR890002291A publication Critical patent/KR890002291A/ko
Application granted granted Critical
Publication of KR910004046B1 publication Critical patent/KR910004046B1/ko

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
    • 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
    • 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
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

Abstract

내용 없음

Description

연신포장용 필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (4)

  1. ASTM-D-1238E법으로 측정하여 0.3-8g/10분의 용융유속(190℃), ASTM-D-1505 법으로 측정하여 0.900-0.918g/㎤의 밀도, 2-6의 분자량 분포 { w/ n} 차동주사 칼로리 메터로 측정하여 2이상의 용융점이 존재하고 118-125℃의 최대용융점 Tm1, 그리고 1.3 이하의 최고 용융점 Tm1의 피이크의 높이 Tm1H 대 그에 인접한 용융점 Tm2의 높이 Tm2H의 비(즉, Tm1H/Tm2H)를 갖는 선형저밀도 폴리에틸렌 필름을 기재로서 포함하는 연신포장용 필름.
  2. 제1항에서, 선형 저밀로 폴리에틸렌은 에틸렌/α-올레핀 공중합1체인 것이 특징인 연신포장용 필름.
  3. 제2항에서, 에틸렌/α-올레핀 공중합체는 99.5-60몰%의 에틸렌과 0.5-40몰%의 4-10탄소원자를 갖는 α-올레핀의 공중합체인 것이 특징인 연신포장용 필름.
  4. 제1항에서, 선형 저밀로 폴리에틸렌은 0.5-5g/10분의 용융유속, 0.900-0.918g/㎤의 밀로, 2.3-5의 분자량 분포( w/ n), 그리고 Tm1H/Tm2H 비가 1.0이하인 것이 특징인 연신포장용 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880008438A 1987-07-07 1988-07-07 연신포장용 필름 KR910004046B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62169501A JPH0777754B2 (ja) 1987-07-07 1987-07-07 ストレッチ包装用フィルム
JP62-169501 1987-07-07
JP87-169501 1987-07-07

Publications (2)

Publication Number Publication Date
KR890002291A true KR890002291A (ko) 1989-04-10
KR910004046B1 KR910004046B1 (ko) 1991-06-22

Family

ID=15887687

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008438A KR910004046B1 (ko) 1987-07-07 1988-07-07 연신포장용 필름

Country Status (8)

Country Link
US (1) US5296580A (ko)
EP (1) EP0298700B1 (ko)
JP (1) JPH0777754B2 (ko)
KR (1) KR910004046B1 (ko)
CN (2) CN1030592A (ko)
AT (1) ATE75685T1 (ko)
CA (1) CA1309800C (ko)
DE (1) DE3870733D1 (ko)

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Also Published As

Publication number Publication date
US5296580A (en) 1994-03-22
CN1069265C (zh) 2001-08-08
ATE75685T1 (de) 1992-05-15
JPH0777754B2 (ja) 1995-08-23
EP0298700A2 (en) 1989-01-11
JPS6414018A (en) 1989-01-18
EP0298700A3 (en) 1990-09-12
EP0298700B1 (en) 1992-05-06
CN1030592A (zh) 1989-01-25
DE3870733D1 (de) 1992-06-11
CA1309800C (en) 1992-11-03
KR910004046B1 (ko) 1991-06-22
CN1146399A (zh) 1997-04-02

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