KR890002292A - 선형 폴리에틸렌 필름 및 그의 제조방법 - Google Patents
선형 폴리에틸렌 필름 및 그의 제조방법 Download PDFInfo
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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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- 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
- 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
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (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 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP174527/87 | 1987-07-13 | ||
JP17452787A JPH07100348B2 (ja) | 1987-07-13 | 1987-07-13 | フィルムの製造方法 |
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 | ||
JP1905488 | 1988-01-29 | ||
JP19054/88 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890002292A true KR890002292A (ko) | 1989-04-10 |
KR960007297B1 KR960007297B1 (ko) | 1996-05-30 |
Family
ID=27520108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880008784A KR960007297B1 (ko) | 1987-07-13 | 1988-07-13 | 폴리에틸렌 필름으로 제조된 포대 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5091228A (ko) |
EP (1) | EP0299750B1 (ko) |
KR (1) | KR960007297B1 (ko) |
DE (1) | DE3851667T2 (ko) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0147284B1 (ko) * | 1989-01-27 | 1998-08-17 | 스즈끼 세이지 | 다공성 필름 및 그의 제조방법 |
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 |
US5851610A (en) * | 1991-02-07 | 1998-12-22 | Applied Extrusion Technologies, Inc. | Shrink films and articles including the same |
DE69226715T2 (de) * | 1991-02-07 | 1999-10-28 | Applied Extrusion Technologies, Inc. | Verfahren zur Herstellung von schrumpfbaren Folien und so hergestellte schrumpfbare Folien und Laminate |
US5847053A (en) * | 1991-10-15 | 1998-12-08 | The Dow Chemical Company | Ethylene polymer film made from ethylene polymer blends |
FR2684039A1 (fr) * | 1991-11-25 | 1993-05-28 | Bp Chemicals Snc | Procede de fabrication d'un film thermiquement retractable. |
CA2190004A1 (en) * | 1994-05-09 | 1995-11-16 | Brad A. Cobler | Medium modulus film and fabrication method |
US6322883B1 (en) | 1994-07-15 | 2001-11-27 | Exxonmobil Oil Corporation | Uniaxially shrinkable biaxially oriented polypropylene film with HDPE skin |
US5792534A (en) | 1994-10-21 | 1998-08-11 | The Dow Chemical Company | Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus |
JP3372130B2 (ja) * | 1995-05-12 | 2003-01-27 | 三井化学株式会社 | ゴムラッピングフィルムおよびゴムベール |
US6113996A (en) * | 1997-05-19 | 2000-09-05 | Mobil Oil Corporation | Composition for uniaxially heat shrinkable biaxially oriented polypropylene film |
US5888640A (en) * | 1997-07-09 | 1999-03-30 | Mobil Oil Corporation | Metallized uniaxially shrinkable biaxially oriented polypropylene film |
US6153551A (en) | 1997-07-14 | 2000-11-28 | Mobil Oil Corporation | Preparation of supported catalyst using trialkylaluminum-metallocene contact products |
US6303233B1 (en) | 1998-04-06 | 2001-10-16 | Mobil Oil Corporation | Uniaxially shrinkable biaxially oriented polypropylene film |
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-
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- 1988-07-13 EP EP19880306429 patent/EP0299750B1/en not_active Expired - Lifetime
- 1988-07-13 DE DE3851667T patent/DE3851667T2/de not_active Expired - Fee Related
- 1988-07-13 KR KR1019880008784A patent/KR960007297B1/ko not_active IP Right Cessation
-
1991
- 1991-06-25 US US07/720,650 patent/US5091228A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0299750B1 (en) | 1994-09-28 |
EP0299750A3 (en) | 1990-12-12 |
EP0299750A2 (en) | 1989-01-18 |
KR960007297B1 (ko) | 1996-05-30 |
US5091228A (en) | 1992-02-25 |
DE3851667D1 (de) | 1994-11-03 |
DE3851667T2 (de) | 1995-02-16 |
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