[go: up one dir, main page]

DE69920042D1 - Verfahren zur herstellung einer biaxial orientierten, wärmeschrumpfbaren, mehrschichtigen polyolefinfolie und dadurch erhaltene folie - Google Patents

Verfahren zur herstellung einer biaxial orientierten, wärmeschrumpfbaren, mehrschichtigen polyolefinfolie und dadurch erhaltene folie

Info

Publication number
DE69920042D1
DE69920042D1 DE69920042T DE69920042T DE69920042D1 DE 69920042 D1 DE69920042 D1 DE 69920042D1 DE 69920042 T DE69920042 T DE 69920042T DE 69920042 T DE69920042 T DE 69920042T DE 69920042 D1 DE69920042 D1 DE 69920042D1
Authority
DE
Germany
Prior art keywords
film
shrinkable
heat
oriented
biaxial
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69920042T
Other languages
English (en)
Other versions
DE69920042T2 (de
Inventor
Roberto Forloni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cryovac LLC
Original Assignee
Cryovac LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8233176&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69920042(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryovac LLC filed Critical Cryovac LLC
Application granted granted Critical
Publication of DE69920042D1 publication Critical patent/DE69920042D1/de
Publication of DE69920042T2 publication Critical patent/DE69920042T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates 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
    • B29C55/02—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
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/0625—LLDPE, i.e. linear low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028—Stretching, elongating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • B32B2307/736—Shrinkable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
DE69920042T 1998-12-18 1999-12-13 Verfahren zur herstellung einer biaxial orientierten, wärmeschrumpfbaren, mehrschichtigen polyolefinfolie und dadurch erhaltene folie Expired - Lifetime DE69920042T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98124109 1998-12-18
EP98124109 1998-12-18
PCT/EP1999/009857 WO2000037240A1 (en) 1998-12-18 1999-12-13 Process for manufacturing a bi-axially oriented, heat-shrinkable, polyolefin multi-layer film and film obtained thereby

Publications (2)

Publication Number Publication Date
DE69920042D1 true DE69920042D1 (de) 2004-10-14
DE69920042T2 DE69920042T2 (de) 2005-09-22

Family

ID=8233176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920042T Expired - Lifetime DE69920042T2 (de) 1998-12-18 1999-12-13 Verfahren zur herstellung einer biaxial orientierten, wärmeschrumpfbaren, mehrschichtigen polyolefinfolie und dadurch erhaltene folie

Country Status (11)

Country Link
EP (1) EP1140471B1 (de)
JP (1) JP4551564B2 (de)
AT (1) ATE275473T1 (de)
AU (1) AU764475B2 (de)
CA (1) CA2352393C (de)
DE (1) DE69920042T2 (de)
ES (1) ES2228156T3 (de)
MY (1) MY129602A (de)
NZ (1) NZ512293A (de)
TW (1) TW584593B (de)
WO (1) WO2000037240A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100427299C (zh) * 2006-06-08 2008-10-22 海南现代塑胶薄膜有限公司 低温高收缩聚烯烃热收缩薄膜的生产方法及生产的薄膜
ATE541699T1 (de) * 2008-04-21 2012-02-15 Flexopack S A Plastics Industry Im stapel versiegelbare schrumpffolie
RU2475362C2 (ru) 2008-10-17 2013-02-20 ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи Биаксиально ориентированная пленка
TWI474925B (zh) * 2011-08-25 2015-03-01 Asahi Kasei E Materials Corp 樹脂密封片及太陽能電池模組
FR2996162B1 (fr) * 2012-10-02 2015-11-27 Ceisa Packaging Complexe multicouche associant une couche centrale a base de polyethylene et deux couches externes a base de polypropylene
JP6474297B2 (ja) * 2015-03-30 2019-02-27 株式会社プライムポリマー 二軸延伸多層フィルムの製造方法
CN110214083B (zh) * 2017-01-26 2021-08-31 Sabic环球技术有限责任公司 多层膜
WO2020207940A1 (en) * 2019-04-09 2020-10-15 Borealis Ag Collation shrink film
EP4182168A1 (de) * 2020-07-16 2023-05-24 SABIC Global Technologies B.V. Bidirektional ausgerichtete mehrschichtfolie
EP4437034A1 (de) * 2021-11-25 2024-10-02 Dow Global Technologies LLC Biaxial orientierte polyolefinfolien

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036388B2 (ja) * 1979-07-13 1985-08-20 東洋紡績株式会社 密着性の良好な包装材料
CA1283035C (en) * 1987-03-09 1991-04-16 Sumitomo Chemical Company, Limited Multi-layer shrink film
JP2570359B2 (ja) * 1987-03-09 1997-01-08 住友化学工業株式会社 多層シュリンクフィルム
JP3015967B2 (ja) * 1989-10-02 2000-03-06 旭化成工業株式会社 多層包装フィルム及びその製造方法
JP2916853B2 (ja) * 1993-05-31 1999-07-05 大倉工業株式会社 ポリオレフィン系熱収縮性積層フィルム
DE4421675A1 (de) * 1994-06-23 1996-01-04 4 P Folie Forchheim Gmbh Mehrschichtfolie
JP3606611B2 (ja) * 1994-09-13 2005-01-05 旭化成ライフ＆リビング株式会社 多層シュリンクフィルム
CN1183077A (zh) * 1995-04-25 1998-05-27 美孚石油公司 单向收缩的双向取向聚丙烯膜

Also Published As

Publication number Publication date
AU2096200A (en) 2000-07-12
TW584593B (en) 2004-04-21
MY129602A (en) 2007-04-30
JP2002532301A (ja) 2002-10-02
CA2352393C (en) 2006-02-21
JP4551564B2 (ja) 2010-09-29
AU764475B2 (en) 2003-08-21
CA2352393A1 (en) 2000-06-29
EP1140471A1 (de) 2001-10-10
ES2228156T3 (es) 2005-04-01
DE69920042T2 (de) 2005-09-22
ATE275473T1 (de) 2004-09-15
WO2000037240A1 (en) 2000-06-29
NZ512293A (en) 2003-06-30
EP1140471B1 (de) 2004-09-08

Similar Documents

Publication Publication Date Title
US20250074032A1 (en) Biaxially oriented microporous membrane
JP2685394B2 (ja) 金属化延伸フィルム組み合わせ物
CA2041351C (en) High density polyethylene shrink film
DE59711747D1 (de) Biaxial orientierte Folie aus cycloolefinischen Polymeren, Verfahren zu ihrer Herstellung und ihre Verwendung
WO2004094141A3 (en) Multi-layer oriented polypropylene films with modified core
ATE218599T1 (de) Schrumpffolie mit ausgeglichenen eigenschaften oder verbesserter zähigkeit und verfahren zu ihrer herstellung
SE454662B (sv) Vermekrympbar flerskiktsforpackningsfilm, som er baserad pa etensampolymerer
NO994081D0 (no) Orienterte koekstruderte filmer
DE69920042D1 (de) Verfahren zur herstellung einer biaxial orientierten, wärmeschrumpfbaren, mehrschichtigen polyolefinfolie und dadurch erhaltene folie
CA2350764A1 (en) Highly bi-axially oriented, heat-shrinkable, thermoplastic, multi-layer film and process for the manufacture thereof
DE69828731D1 (de) Mehrschichtige laminate mit ultrahoch molekularer polyolefinschicht, herstellungsverfahren und vorrichtung zu ihrer herstellung
WO2000009324A1 (en) Medium density polyethylene film having unidirectional tear
ATE260761T1 (de) Verfahren zu zur herstellung einer polyolefinfolie und ihre verwendung.
KR101242227B1 (ko) 폴리올레핀계 연신 필름의 제조방법 및 이로부터 제조된 폴리올레핀계 연신 필름
US20240294001A1 (en) Metallized, Oriented, and Thin LLDPE Films
JP2001113585A (ja) 積層発泡体の製造方法
DK0733471T3 (da) Klæbestoffri sterilisationsbestandig flerlagsfolie til emballeringsanvendelser
KR960010450B1 (ko) 가스 및 수분 차단성이 향상된 포장용 다층필름
ATE254530T1 (de) Verfahren und vorrichtung zur herstellung einer mehrschichtigen flächigen polymermembran
JP3143183B2 (ja) 積層体およびその製造方法
KR980000901A (ko) 이형성이 우수한 접착테이프용 매트성 폴리프로필렌계 복합필름
JP2006212954A (ja) 離型フィルム
JPS6174820A (ja) ポリエチレン延伸フイルム
JP4851028B2 (ja) ポリオレフィン延伸シート積層体の製造方法
JPS571718A (en) Manufacture of heat shrinkable corrosion-resistant sheet

Legal Events

Date Code Title Description
8363 Opposition against the patent