KR890002292A - 선형 폴리에틸렌 필름 및 그의 제조방법 - Google Patents

선형 폴리에틸렌 필름 및 그의 제조방법 Download PDF

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KR890002292A
KR890002292A KR1019880008784A KR880008784A KR890002292A KR 890002292 A KR890002292 A KR 890002292A KR 1019880008784 A KR1019880008784 A KR 1019880008784A KR 880008784 A KR880008784 A KR 880008784A KR 890002292 A KR890002292 A KR 890002292A
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weight
parts
polyethylene
melt index
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KR960007297B1 (ko
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도시오 후지
가즈히로 가또
아끼히꼬 사까이
요시나오 시노하라
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시바따 마쓰지로
미쓰비시 가세이 가부시끼가이샤
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Priority claimed from JP62204539A external-priority patent/JPS6458668A/ja
Priority claimed from JP62205786A external-priority patent/JPS6458669A/ja
Priority claimed from JP15198088A external-priority patent/JP2557472B2/ja
Application filed by 시바따 마쓰지로, 미쓰비시 가세이 가부시끼가이샤 filed Critical 시바따 마쓰지로
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    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0049—Heat shrinkable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0077—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0088—Molecular weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. 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
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
    • Y10T428/1307—Bag or tubular film [e.g., pouch, flexible food casing, envelope, etc.]
    • 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
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • Y10T428/31899—Addition polymer of hydrocarbon[s] only
    • Y10T428/31902—Monoethylenically unsaturated

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

Abstract

내용 없음

Description

선형 폴리에틸렌 필름 및 그의 제조방법.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. 0.910 내지 0.965g/㎤의 밀도, 2g/10분 또는 그 이하의 용융지수 및 50 또는 그 이하의 유동비를 갖는 선형 폴리에틸렌 100 내지 50중량부 ; 2g/10분 또는 그 이하의 용융지수, 70 또는 그 이하의 유동비(fluidity ratio) 및 0.930g/㎤또는 그 이하의 밀도를 갖는 측쇄형 저밀로 폴리에틸렌 0 내지 50중량부 ; 및 임의 성분으로서 라디칼 개지제를 0.0001 내지 0.1 중량부 포함하고, 종 및 횡 방향중 어느 1 방향에서의 열 수축률이 20% 또는 그 이상이고 또 다른 1 방향에서의 열 수축률이 60% 또는 그 이상인 1축-또는 2축 연신 필름.
  2. 0.910 내지 0.965g/㎤의 밀도, 2g/10분 도는 그 이하의 용융지수 및 50 또는 그 이하의 유동비를 갖는 선형 폴리에틸렌 100 내지 50 중량부 ; 2g/10분 또는 그 이하의 용융지수, 70 또는 그 이하이 유동비 및 0.930g/㎤ 또는 그 이하으 lalf도를 갖는 측쇄형 저밀도 폴리에틸렌 9 내지 50중량부 및 임의의 성분으로서 라디칼 개시제를 0.0001 내지 0.1 중량부 포함하고, 종 또는 횡 방향에서 1축 연신하거나 2축 연신하여 생성된, 종 및 횡 방향중 어느 1 방향에서의 열 수축률이 20% 또는 그 이상이고 다른 1 방향에서의 열 수축률이 60% 또는 그 이상인 1축-또는 2축 연신 필름의 제조방법.
  3. 제2항에 있어서, 선형폴리에틸렌 및 라디칼 개시제 로 구성되거나, 또는 선형 폴리에틸렌, 측쇄형 저밀도 폴리에틸렌 및 라디칼 개시제로 구성된 조성물을 상기 라디칼 개시제의 분해시 또는 분해후 다이 직경의 2 내지 50배인 서리 선 높이와 취입비 2 내지 8의 조건하에서 취입 필름 압출함으로써 얻어진 미연신 필름 또는 연신 쉬트를 Tm-70 내지 Tm-20℃(여기서, Tm은 라디칼 개시제의 반응에 이해 얻어진 변형된 폴리에틸렌 조성물의 융점임)에서 종 방향으로 1.5 내지 8배 연신한 다음, 선형 폴리에틸렌 및 측쇄형 저밀도 폴리에틸렌과 반응시킴으로써 실시되는 방법.
  4. 제2항에 있어서, 상기 연신처리가 선형 폴리에틸렌과, 측쇄형 저밀로 폴리에틸렌 및 임의적 성분 라디칼 개시제로 구성된 조성물을 150 내지 250℃ 및 드라프느 비 1 내지 50에서 성형함으로써 얻어진 미연신 필름 또는 쉬트를 Tm-70 내지 Tm-5℃(여기서 Tmdms 선형 폴리에틸렌, 선형 폴리에틸렌 및 측쇄형 저밀로 폴리에틸렌을 포함하는 혼합물, 또는 라디칼 개시제의 작용에 의한변형된 폴리에틸렌 조성물의 융점임)에서 본래 면적의 1.2 내기 9배로 연신함으로써 실시되는 방법.
  5. 제4항에 있어서, 상기 연신 처리가 미연신 필름 또는 쉬트를 횡방향으로 1.2 내지 9배 1축 연신시키거나 ; 또는 미연신 필름 또는 쉬트를 종방향으로 1.2 내지 3배, 그리고 횡방향으로 3내지 7.5배 2축 연신 시킴으로써 실시되는 방법.
  6. 0.91 내지 0.965g/㎤의 밀도, 2g/10분 또는 그 이하의 용융지수 및 50 내지 120의 유동비를 갖는 선형 폴리에틸렌 100 내지 50중량부 ; 및 0.930g/㎤또는 그 이하의 밀도, 2g/10분 또는 그 이하의 용융지수 및 70 또는 그 이하의 유동비를 갖는 측쇄형 저밀도 폴리에틸렌 0 내지 50중량부를 포함하고 종 및 횡 방향중 어느 1 방향에서의 열 수축률이 20%또는 그 이상이고 또 다른 1 방향에서의 열 수축률이 60% 또는 그 이상인 종방향 1축 연신 필름.
  7. 0.91 내지 0.965g/㎤의 밀도, 2g/10분 또는 그 이하의 용융지수 및 50 내지 120의 유동비를 갖는 선형 폴리에틸렌 100 내지 50중량부 ; 및 0.930g/㎤또는 그 이하의 밀도, 2g/10분 또는 그 이하의 용융지수 및 70 또는 그 이하의 유동비를 갖는 측쇄형 저밀도 폴리에틸렌 0 내지 50중량부로 이루어진 조성물을 2 내지 8의 취입비(blow-up ratio) 및 다이 직경 2 내지 50배의 서리 선 높이(frost line height) 조건하에서 취입 필름 성형시켜 미연신 필름 또는 쉬트를 수득하고, 또 Tm-70℃ 내지 Tm-20℃(여기서, Tm은 상기 조성물의 융점임)의 온도에서 이 미연신 필름 도느 쉬트를 종 방향으로 원래길이의 1.5 내지 8배 1축 연신시키는 것을 포함하고, 종 및 횡방향중 어느 1 방향에서의 열 수축률이 20% 또는 그 이상이고 또 다른 1 방향에서의 열 수축율이 60% 또는 그 이상인 종방향 1축 연신 필름의 제조방법.
  8. 0.910 내지 0.965g/㎤의 밀도, 2g/10분 또는 그 이하의 용융지수 및 50 또는 그 이하의 유동비를 갖는 선형 폴리에틸렌 100 내지 50중량부 ; 2g/10분 또는 그 이하의 용융지수, 70 또는 그 이하의 유동비(fluidity ratio) 및 0.930g/㎤ 또는 그 이하의 밀도를 갖는 측쇄형 저밀도 폴리에틸렌 0 내지 50중량부 ; 및 임의 성분으로서 라디칼 개시제를 0.0001 내지 0.1 중량부 포함하고, 종 및 횡 방향중 어느 1 방향에서의 열 수축률이 20% 도는 그 이상이고 또 다른 1 방향에서의 열 수축률의 60% 또는 그 이상인 1축 또는 2축 연신 필름으로 제조된 내측포대 및 종이로 제조된 외측포대로 구성된 포대.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880008784A 1987-07-13 1988-07-13 폴리에틸렌 필름으로 제조된 포대 KR960007297B1 (ko)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP17452787A JPH07100348B2 (ja) 1987-07-13 1987-07-13 フィルムの製造方法
JP174527/87 1987-07-13
JP62204539A JPS6458668A (en) 1987-08-18 1987-08-18 Packing bag
JP204539/87 1987-08-18
JP62205786A JPS6458669A (en) 1987-08-19 1987-08-19 Production of packing bag
JP205786/87 1987-08-19
JP19054/88 1988-01-29
JP1905488 1988-01-29
JP151980/88 1988-06-20
JP15198088A JP2557472B2 (ja) 1988-01-29 1988-06-20 フィルムの製造方法

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KR890002292A true KR890002292A (ko) 1989-04-10
KR960007297B1 KR960007297B1 (ko) 1996-05-30

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US (1) US5091228A (ko)
EP (1) EP0299750B1 (ko)
KR (1) KR960007297B1 (ko)
DE (1) DE3851667T2 (ko)

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EP0404368A3 (en) * 1989-06-02 1991-05-29 Uniplast Industries Inc. Blends of linear low density polyethylene and low density polyethylene and films for shrink-wrapping therefrom
GB8914703D0 (en) * 1989-06-27 1989-08-16 Dow Europ Sa Bioriented film
US5904964A (en) * 1989-12-18 1999-05-18 E. I. Du Pont De Nemours And Company Process for manufacturing heat-shrinkable polyethylene film
EP0498249B1 (en) * 1991-02-07 1998-08-26 Hercules Incorporated Process for producing shrink film and resultant shrink film layers and laminates
US5851610A (en) * 1991-02-07 1998-12-22 Applied Extrusion Technologies, Inc. Shrink films and articles including the same
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EP0299750A2 (en) 1989-01-18
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