ES2153531T3 - Pelicula multicapa de polietileno. - Google Patents
Pelicula multicapa de polietileno.Info
- Publication number
- ES2153531T3 ES2153531T3 ES96118997T ES96118997T ES2153531T3 ES 2153531 T3 ES2153531 T3 ES 2153531T3 ES 96118997 T ES96118997 T ES 96118997T ES 96118997 T ES96118997 T ES 96118997T ES 2153531 T3 ES2153531 T3 ES 2153531T3
- Authority
- ES
- Spain
- Prior art keywords
- roller
- film
- grades
- polyethylene
- comes out
- 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
Links
- -1 POLYETHYLENE Polymers 0.000 title abstract 3
- 239000004698 Polyethylene Substances 0.000 title abstract 3
- 229920000573 polyethylene Polymers 0.000 title abstract 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 229920000092 linear low density polyethylene Polymers 0.000 abstract 1
- 239000004707 linear low-density polyethylene Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
SE PRESENTA UN PROCESO PARA LA PREPARACION DE UNA PELICULA MULTICAPA DE POLIETILENO COMENZANDO A PARTIR DE POLIETILENO LINEAL DE BAJA DENSIDAD (LLDPE) MEDIANTE EXTRUSION EN DONDE EL MATERIAL MULTICAPA QUE SALE DE LA CABEZA APLANADORA ES RECOGIDO SOBRE UN PRIMER RODILLO ENFRIADO CON AGUA MANTENIDA ENTRE 10 (GRADOS) Y 25 (GRADOS) Y LA PELICULA QUE SALE DEL PRIMER RODILLO DE ENFRIAMIENTO ES ENVIADA A UN SEGUNDO RODILLO ENFRIADO CON AGUA MANTENIDA CON UNA TEMPERATURA INFERIOR QUE LA DEL PRIMER RODILLO Y EL SEGUNDO RODILLO TIENE UNA VELOCIDAD PERIFERICA O VELOCIDAD DE ROTACION ENTRE UN 10 Y UN 40% MAYOR QUE LA DEL PRIMER RODILLO. LA PELICULA MULTICAPA TIENE UN LIMITE ELASTICO Y UN ESTIRAMIENTO ULTIMO COMPRENDIDOS DENTRO DE CIERTOS LIMITES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95MI002560A IT1277038B1 (it) | 1995-12-06 | 1995-12-06 | Film multistrato polietilenico |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2153531T3 true ES2153531T3 (es) | 2001-03-01 |
Family
ID=11372667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96118997T Expired - Lifetime ES2153531T3 (es) | 1995-12-06 | 1996-11-27 | Pelicula multicapa de polietileno. |
Country Status (21)
Country | Link |
---|---|
US (1) | US6187236B1 (es) |
EP (1) | EP0778121B1 (es) |
JP (1) | JPH09174667A (es) |
KR (1) | KR970033739A (es) |
CN (1) | CN1084248C (es) |
AR (1) | AR004864A1 (es) |
AT (1) | ATE198852T1 (es) |
AU (1) | AU709917B2 (es) |
BR (1) | BR9605854A (es) |
CA (1) | CA2191675A1 (es) |
CZ (1) | CZ354096A3 (es) |
DE (1) | DE69611662T2 (es) |
DK (1) | DK0778121T3 (es) |
ES (1) | ES2153531T3 (es) |
HU (1) | HUP9603359A3 (es) |
IT (1) | IT1277038B1 (es) |
NO (1) | NO965185L (es) |
PL (1) | PL317367A1 (es) |
PT (1) | PT778121E (es) |
RU (1) | RU2199444C2 (es) |
TW (1) | TW397766B (es) |
Families Citing this family (6)
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)
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 |
JPS6015118A (ja) * | 1983-06-28 | 1985-01-25 | ユニオン・カ−バイド・コ−ポレ−シヨン | Lldpe樹脂からフイルムを形成する際のエツジウエバ−の減少方法 |
DE3888791T3 (de) * | 1987-11-19 | 1999-07-29 | Exxon Chemical Patents Inc | Thermoplastische Folien zur Verwendung bei Dehnungs- und Haftungsanwendungsgebieten. |
US5261536A (en) * | 1988-10-25 | 1993-11-16 | Mobil Oil Corporation | Multi-layer coextruded polyolefin stretch wrap films |
US5248547A (en) * | 1988-10-25 | 1993-09-28 | 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 |
-
1995
- 1995-12-06 IT IT95MI002560A patent/IT1277038B1/it active IP Right Grant
-
1996
- 1996-11-27 US US08/757,720 patent/US6187236B1/en not_active Expired - Fee Related
- 1996-11-27 PT PT96118997T patent/PT778121E/pt unknown
- 1996-11-27 AT AT96118997T patent/ATE198852T1/de not_active IP Right Cessation
- 1996-11-27 TW TW085114662A patent/TW397766B/zh not_active IP Right Cessation
- 1996-11-27 EP EP96118997A patent/EP0778121B1/en not_active Expired - Lifetime
- 1996-11-27 DK DK96118997T patent/DK0778121T3/da active
- 1996-11-27 DE DE69611662T patent/DE69611662T2/de not_active Expired - Lifetime
- 1996-11-27 ES ES96118997T patent/ES2153531T3/es not_active Expired - Lifetime
- 1996-11-29 CA CA002191675A patent/CA2191675A1/en not_active Abandoned
- 1996-12-03 CZ CZ963540A patent/CZ354096A3/cs unknown
- 1996-12-04 NO NO965185A patent/NO965185L/no not_active Application Discontinuation
- 1996-12-04 AU AU74151/96A patent/AU709917B2/en not_active Ceased
- 1996-12-05 BR BR9605854A patent/BR9605854A/pt not_active Application Discontinuation
- 1996-12-05 RU RU96122852/04A patent/RU2199444C2/ru not_active IP Right Cessation
- 1996-12-05 KR KR1019960062090A patent/KR970033739A/ko not_active Application Discontinuation
- 1996-12-05 AR ARP960105505A patent/AR004864A1/es not_active Application Discontinuation
- 1996-12-05 HU HU9603359A patent/HUP9603359A3/hu unknown
- 1996-12-06 JP JP8326585A patent/JPH09174667A/ja active Pending
- 1996-12-06 CN CN96119775A patent/CN1084248C/zh not_active Expired - Fee Related
- 1996-12-06 PL PL96317367A patent/PL317367A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0778121A3 (en) | 1997-12-17 |
ITMI952560A0 (es) | 1995-12-06 |
DE69611662D1 (de) | 2001-03-01 |
JPH09174667A (ja) | 1997-07-08 |
CN1084248C (zh) | 2002-05-08 |
NO965185D0 (no) | 1996-12-04 |
PL317367A1 (en) | 1997-06-09 |
CZ354096A3 (en) | 1997-06-11 |
ITMI952560A1 (it) | 1997-06-06 |
CN1157210A (zh) | 1997-08-20 |
IT1277038B1 (it) | 1997-11-04 |
TW397766B (en) | 2000-07-11 |
BR9605854A (pt) | 1998-08-25 |
EP0778121B1 (en) | 2001-01-24 |
AR004864A1 (es) | 1999-03-10 |
DE69611662T2 (de) | 2001-05-03 |
US6187236B1 (en) | 2001-02-13 |
KR970033739A (ko) | 1997-07-22 |
AU7415196A (en) | 1997-06-12 |
RU2199444C2 (ru) | 2003-02-27 |
PT778121E (pt) | 2001-06-29 |
CA2191675A1 (en) | 1997-06-07 |
HUP9603359A2 (en) | 1997-10-28 |
HU9603359D0 (en) | 1997-01-28 |
EP0778121A2 (en) | 1997-06-11 |
DK0778121T3 (da) | 2001-02-12 |
AU709917B2 (en) | 1999-09-09 |
HUP9603359A3 (en) | 1998-03-02 |
NO965185L (no) | 1997-06-09 |
ATE198852T1 (de) | 2001-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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