IT1277038B1 - Film multistrato polietilenico - Google Patents

Film multistrato polietilenico

Info

Publication number
IT1277038B1
IT1277038B1 IT95MI002560A ITMI952560A IT1277038B1 IT 1277038 B1 IT1277038 B1 IT 1277038B1 IT 95MI002560 A IT95MI002560 A IT 95MI002560A IT MI952560 A ITMI952560 A IT MI952560A IT 1277038 B1 IT1277038 B1 IT 1277038B1
Authority
IT
Italy
Prior art keywords
layer film
polyethylene multi
polyethylene
film
layer
Prior art date
Application number
IT95MI002560A
Other languages
English (en)
Inventor
Giuseppe Brambilla
Original Assignee
Pentacast Srl
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 Pentacast Srl filed Critical Pentacast Srl
Publication of ITMI952560A0 publication Critical patent/ITMI952560A0/it
Priority to IT95MI002560A priority Critical patent/IT1277038B1/it
Priority to US08/757,720 priority patent/US6187236B1/en
Priority to EP96118997A priority patent/EP0778121B1/en
Priority to PT96118997T priority patent/PT778121E/pt
Priority to DE69611662T priority patent/DE69611662T2/de
Priority to TW085114662A priority patent/TW397766B/zh
Priority to DK96118997T priority patent/DK0778121T3/da
Priority to AT96118997T priority patent/ATE198852T1/de
Priority to ES96118997T priority patent/ES2153531T3/es
Priority to CA002191675A priority patent/CA2191675A1/en
Priority to CZ963540A priority patent/CZ354096A3/cs
Priority to NO965185A priority patent/NO965185L/no
Priority to AU74151/96A priority patent/AU709917B2/en
Priority to KR1019960062090A priority patent/KR970033739A/ko
Priority to ARP960105505A priority patent/AR004864A1/es
Priority to RU96122852/04A priority patent/RU2199444C2/ru
Priority to HU9603359A priority patent/HUP9603359A3/hu
Priority to BR9605854A priority patent/BR9605854A/pt
Priority to JP8326585A priority patent/JPH09174667A/ja
Priority to CN96119775A priority patent/CN1084248C/zh
Priority to PL96317367A priority patent/PL317367A1/xx
Priority to KR1019960068995A priority patent/KR970033809A/ko
Publication of ITMI952560A1 publication Critical patent/ITMI952560A1/it
Application granted granted Critical
Publication of IT1277038B1 publication Critical patent/IT1277038B1/it

Links

Classifications

    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
    • B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
    • 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
    • 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
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • B29L2009/00—Layered products
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
IT95MI002560A 1995-12-06 1995-12-06 Film multistrato polietilenico IT1277038B1 (it)

Priority Applications (22)

Application Number Priority Date Filing Date Title
IT95MI002560A IT1277038B1 (it) 1995-12-06 1995-12-06 Film multistrato polietilenico
US08/757,720 US6187236B1 (en) 1995-12-06 1996-11-27 Polyethylene multilayer film
EP96118997A EP0778121B1 (en) 1995-12-06 1996-11-27 Polyethylene multilayer film
PT96118997T PT778121E (pt) 1995-12-06 1996-11-27 Pelicula de camadas multiplas de polietileno
DE69611662T DE69611662T2 (de) 1995-12-06 1996-11-27 Mehrschichtige Polyethylenfolie
TW085114662A TW397766B (en) 1995-12-06 1996-11-27 Polyethylene multiplayer film and its preparation process and use
DK96118997T DK0778121T3 (da) 1995-12-06 1996-11-27 Polyethylenflerlagsfilm
AT96118997T ATE198852T1 (de) 1995-12-06 1996-11-27 Mehrschichtige polyethylenfolie
ES96118997T ES2153531T3 (es) 1995-12-06 1996-11-27 Pelicula multicapa de polietileno.
CA002191675A CA2191675A1 (en) 1995-12-06 1996-11-29 Polyethylene multilayer film
CZ963540A CZ354096A3 (en) 1995-12-06 1996-12-03 Polyethylene multi-layer film, process of its preparation and use
NO965185A NO965185L (no) 1995-12-06 1996-12-04 Flerlags-polyetylenfilm
AU74151/96A AU709917B2 (en) 1995-12-06 1996-12-04 Polyethylene multilayer film
BR9605854A BR9605854A (pt) 1995-12-06 1996-12-05 Processo para preparar por extrusão em fusão uma película em multicamada de polietileno e película em multicamada particularmente adaptada para a embalagem de unidades pelotizadas
ARP960105505A AR004864A1 (es) 1995-12-06 1996-12-05 Procedimiento para preparar por colada-extrusion una pelicula multilaminar de polietileno y pelicula obtenida mediante el mismo, y uso de dicha pelicula
RU96122852/04A RU2199444C2 (ru) 1995-12-06 1996-12-05 Способ получения соэкструзией полиэтиленовой многослойной пленки и многослойная пленка, получаемая таким способом
HU9603359A HUP9603359A3 (en) 1995-12-06 1996-12-05 Multilayer polyethylene film, process for producing thereof and its use
KR1019960062090A KR970033739A (ko) 1995-12-06 1996-12-05 폴리에틸렌 다층필름 및 그 제조 방법
JP8326585A JPH09174667A (ja) 1995-12-06 1996-12-06 ポリエチレン多層フィルム
CN96119775A CN1084248C (zh) 1995-12-06 1996-12-06 聚乙烯多层薄膜的制造方法
PL96317367A PL317367A1 (en) 1995-12-06 1996-12-06 Multi-ply polyethylene sheathing and method of making same
KR1019960068995A KR970033809A (ko) 1995-12-06 1996-12-20 내화층

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002560A IT1277038B1 (it) 1995-12-06 1995-12-06 Film multistrato polietilenico

Publications (3)

Publication Number Publication Date
ITMI952560A0 ITMI952560A0 (it) 1995-12-06
ITMI952560A1 ITMI952560A1 (it) 1997-06-06
IT1277038B1 true IT1277038B1 (it) 1997-11-04

Family

ID=11372667

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95MI002560A IT1277038B1 (it) 1995-12-06 1995-12-06 Film multistrato polietilenico

Country Status (21)

Country Link
US (1) US6187236B1 (it)
EP (1) EP0778121B1 (it)
JP (1) JPH09174667A (it)
KR (1) KR970033739A (it)
CN (1) CN1084248C (it)
AR (1) AR004864A1 (it)
AT (1) ATE198852T1 (it)
AU (1) AU709917B2 (it)
BR (1) BR9605854A (it)
CA (1) CA2191675A1 (it)
CZ (1) CZ354096A3 (it)
DE (1) DE69611662T2 (it)
DK (1) DK0778121T3 (it)
ES (1) ES2153531T3 (it)
HU (1) HUP9603359A3 (it)
IT (1) IT1277038B1 (it)
NO (1) NO965185L (it)
PL (1) PL317367A1 (it)
PT (1) PT778121E (it)
RU (1) RU2199444C2 (it)
TW (1) TW397766B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100815605B1 (ko) * 2002-02-18 2008-03-20 바프렉스 주식회사 공압출 다층필름의 제조방법 및 장치
CN101475074B (zh) * 2009-01-22 2012-05-16 黄山永佳（集团）有限公司 一种自润滑聚乙烯薄膜
US20110151216A1 (en) * 2009-12-18 2011-06-23 Paragon Films, Inc. Cast Power Stretch Films With Improved Load Containment Force
CL2011000532A1 (es) * 2011-03-14 2014-06-20 Univ Santiago Chile Proceso para la obtencion de un film que comprende la incorporación de agentes antimicrobianos de origen natural en una estructura polimerica a través de un doble proceso de extrusión al material polimérico.
CN102615758B (zh) * 2012-04-05 2014-04-16 北京化工大学 一种组合式多层橡胶片材层叠复合压延生产线及复合方法
CN108943929B (zh) * 2018-06-08 2020-08-11 黄山至德新材料科技有限公司 一种聚烯烃热收缩膜及其制备方法和应用

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3547891A (en) * 1969-04-02 1970-12-15 Eastman Kodak Co Heat formable polyester film
US4166089A (en) * 1969-11-13 1979-08-28 Agfa-Gevaert N.V. Corona free pinning of extruded polymer film
CA1157216A (en) 1978-09-15 1983-11-22 William F. Briggs Coextruded thermoplastic stretch-wrap
HU188043B (en) * 1980-04-30 1986-03-28 Sumitomo Chemical Co,Jp Process for producing cyclopentenolene derivatives
US4367256A (en) * 1981-05-15 1983-01-04 Union Carbide Corporation Cling-wrap polyethylene film
US4418114A (en) * 1982-04-29 1983-11-29 Mobil Oil Corporation Coextruded thermoplastic stretch-wrap
EP0139089A3 (en) 1983-06-28 1986-01-08 Union Carbide Corporation Process for reducing vedge waver during formation of film from lldpe resins
DE3888791T3 (de) * 1987-11-19 1999-07-29 Exxon Chemical Patents Inc Thermoplastische Folien zur Verwendung bei Dehnungs- und Haftungsanwendungsgebieten.
US5248547A (en) * 1988-10-25 1993-09-28 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
US5261536A (en) * 1988-10-25 1993-11-16 Mobil Oil Corporation Multi-layer coextruded polyolefin stretch wrap films
US5019315A (en) * 1988-10-25 1991-05-28 Mobil Oil Corporation Preparing multi-layer coextruded polyolefin stretch wrap films
JPH0326707A (ja) 1989-06-26 1991-02-05 Mitsui Toatsu Chem Inc 防護シート
US5108844A (en) * 1989-12-28 1992-04-28 American National Can Company Blended films, structures therefrom, and methods of making and using them
US5399426A (en) * 1992-10-19 1995-03-21 The Dow Chemical Company Polyethylene stretch films
US5419934A (en) * 1992-12-18 1995-05-30 Mobil Oil Corporation Multilayer coextruded polyolefin stretch wrap films
US5334428A (en) * 1992-12-28 1994-08-02 Mobil Oil Corporation Multilayer coextruded linear low density polyethylene stretch wrap films
JP3026707B2 (ja) * 1993-10-05 2000-03-27 出光石油化学株式会社 分岐状ポリカーボネートの製造方法
IT1304704B1 (it) * 1995-09-01 2001-03-28 Manuli Stretch Spa Film multistrato polietilenico

Also Published As

Publication number Publication date
NO965185D0 (no) 1996-12-04
EP0778121A2 (en) 1997-06-11
CA2191675A1 (en) 1997-06-07
KR970033739A (ko) 1997-07-22
ATE198852T1 (de) 2001-02-15
EP0778121A3 (en) 1997-12-17
HU9603359D0 (en) 1997-01-28
CN1084248C (zh) 2002-05-08
TW397766B (en) 2000-07-11
ES2153531T3 (es) 2001-03-01
HUP9603359A3 (en) 1998-03-02
HUP9603359A2 (en) 1997-10-28
NO965185L (no) 1997-06-09
BR9605854A (pt) 1998-08-25
US6187236B1 (en) 2001-02-13
ITMI952560A0 (it) 1995-12-06
CZ354096A3 (en) 1997-06-11
EP0778121B1 (en) 2001-01-24
CN1157210A (zh) 1997-08-20
DE69611662T2 (de) 2001-05-03
DE69611662D1 (de) 2001-03-01
JPH09174667A (ja) 1997-07-08
RU2199444C2 (ru) 2003-02-27
AU709917B2 (en) 1999-09-09
AR004864A1 (es) 1999-03-10
PT778121E (pt) 2001-06-29
DK0778121T3 (da) 2001-02-12
AU7415196A (en) 1997-06-12
ITMI952560A1 (it) 1997-06-06
PL317367A1 (en) 1997-06-09

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0001 Granted