ES2035233T3 - Un procedimiento para extrusion. - Google Patents
Un procedimiento para extrusion.Info
- Publication number
- ES2035233T3 ES2035233T3 ES198888121431T ES88121431T ES2035233T3 ES 2035233 T3 ES2035233 T3 ES 2035233T3 ES 198888121431 T ES198888121431 T ES 198888121431T ES 88121431 T ES88121431 T ES 88121431T ES 2035233 T3 ES2035233 T3 ES 2035233T3
- Authority
- ES
- Spain
- Prior art keywords
- weight
- copolymer
- molecular weight
- average molecular
- extrusion
- 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
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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
-
- 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
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/02—Condition, form or state of moulded material or of the material to be shaped heat shrinkable
-
- 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
- B29L2007/002—Panels; Plates; Sheets
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
UN PROCEDIMIENTO PARA EXTRUSION QUE COMPRENDE EXTRUIR, EN CONDICIONES QUE PROPORCIONAN UNA PELICULA CONTRAIDA, UN COPOLIMERO DE BAJA DENSIDAD, LINEAL, DE ETILENO, Y POR LO MENOS UNA (ALFA)-OLEFINA QUE TIENE 3-6 ATOMOS DE CARBONO, TENIENDO DICHO COPOLIMERO (I) UNA DENSIDAD EN EL INTERVALO DE 0,915-0,932 G/CC APROXIMADAMENTE; (II) UN PESO MOLECULAR MEDIO DE 250000 APROXIMADAMENTE; (III) UNA RELACION DE PESO MOLECULAR MEDIO EN PESO A PESO MOLECULAR MEDIO EN NUMERO DE POR LO MENOS 6 APROXIMADAMENTE; Y (IV) UNA ESPECIE COPOLIMERA CON UN PESO MOLECULAR DE POR LO MENOS 500000 APROXIMADAMENTE EN CANTIDAD DE POR LO MENOS 8 % EN PESO APROXIAMDAMENTE EN BASE AL PESO DEL COPOLIMERO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/136,719 US4814135A (en) | 1987-12-22 | 1987-12-22 | Process for extrusion |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2035233T3 true ES2035233T3 (es) | 1993-04-16 |
Family
ID=22474065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198888121431T Expired - Lifetime ES2035233T3 (es) | 1987-12-22 | 1988-12-21 | Un procedimiento para extrusion. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4814135A (es) |
EP (1) | EP0321964B1 (es) |
JP (1) | JPH0661813B2 (es) |
KR (1) | KR930010553B1 (es) |
CN (1) | CN1017788B (es) |
AT (1) | ATE82545T1 (es) |
BR (1) | BR8806771A (es) |
CA (1) | CA1308858C (es) |
DE (1) | DE3876082T2 (es) |
ES (1) | ES2035233T3 (es) |
GR (1) | GR3007029T3 (es) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3851667T2 (de) * | 1987-07-13 | 1995-02-16 | Mitsubishi Chem Ind | Lineare Polyäthylen-Folie und Verfahren zu ihrer Herstellung. |
FI82633C (fi) * | 1987-10-12 | 1991-04-10 | Muolon Oy | Foerfarande foer framstaellning av en krympande produkt. |
US5115068A (en) * | 1988-09-26 | 1992-05-19 | Phillips Petroleum Company | High strength linear, low density ethylene copolymer |
CA2003882C (en) * | 1988-12-19 | 1997-01-07 | Edwin Rogers Smith | Heat shrinkable very low density polyethylene terpolymer film |
US5102955A (en) * | 1989-12-29 | 1992-04-07 | Mobil Oil Corporation | Broad distribution, high molecular weight low density polyethylene and method of making thereof |
US9393757B2 (en) | 2010-11-16 | 2016-07-19 | The Glad Products Company | Discontinuously laminated film structures with improved visual characteristics |
US8865294B2 (en) | 2012-10-25 | 2014-10-21 | The Glad Products Company | Thermoplastic multi-ply film with metallic appearance |
US9604429B2 (en) | 2010-11-16 | 2017-03-28 | The Glad Products Company | Ribbed film structures with pigment created visual characteristics |
US9566760B2 (en) | 2010-11-16 | 2017-02-14 | The Glad Products Company | Ribbed film structures with voiding agent created visual characteristics |
US5851610A (en) * | 1991-02-07 | 1998-12-22 | Applied Extrusion Technologies, Inc. | Shrink films and articles including the same |
ES2125239T3 (es) * | 1991-02-07 | 1999-03-01 | Applied Extrusion Technologies | Procedimiento para la fabricacion de pelicula contraible y laminados y capas de pelicula contraible resultantes. |
US5250612A (en) * | 1991-10-07 | 1993-10-05 | The Dow Chemical Company | Polyethylene films exhibiting low blocking force |
US5344884A (en) * | 1992-10-08 | 1994-09-06 | Phillips Petroleum Company | Polyethylene blends |
US5409646A (en) * | 1993-09-29 | 1995-04-25 | Union Carbide Chemicals & Plastics Technology Corporation | Method for compounding a polymerized alpha-olefin resin |
US6322883B1 (en) | 1994-07-15 | 2001-11-27 | Exxonmobil Oil Corporation | Uniaxially shrinkable biaxially oriented polypropylene film with HDPE skin |
MX9701781A (es) * | 1994-09-07 | 1997-06-28 | Applied Extrusion Technologies | Pelicula de copolimero de alto encogimiento. |
AU3799495A (en) | 1994-11-23 | 1996-05-30 | Union Carbide Chemicals & Plastics Technology Corporation | In situ polyethylene blend |
US5589539A (en) | 1994-11-23 | 1996-12-31 | Union Carbide Chemicals & Plastics Technology Corporation | Process for preparing an in situ polyethylene blend |
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 |
CA2181607A1 (en) | 1995-07-21 | 1997-01-22 | Mahmoud R. Rifi | Process for the extrusion of polyethylene |
US5641848A (en) * | 1995-07-24 | 1997-06-24 | Montell North America Inc. | Polypropylene blown film |
CA2188722A1 (en) | 1995-10-26 | 1997-04-27 | George Norris Foster | Process for preparing an in situ polyethylene blend |
US5925448A (en) * | 1995-11-07 | 1999-07-20 | Union Carbide Chemicals & Plastics Technology Corporation | Film extruded from a blend of ethylene copolymers |
US5736258A (en) * | 1995-11-07 | 1998-04-07 | Union Carbide Chemicals & Plastics Technology Corporation | Film extruded from an in situ blend of ethylene copolymers |
CA2193758A1 (en) | 1996-01-04 | 1997-07-05 | Mark Chung-Kong Hwu | High strength polyethylene film |
US5728335A (en) * | 1996-06-26 | 1998-03-17 | Union Carbide Chemicals & Plastics Technology Corporation | Process for extrusion |
US6454976B1 (en) * | 1996-06-26 | 2002-09-24 | Union Carbide Chemicals & Plastics Technology Corporation | Pelletizing of broad molecular weight polyethylene |
US6485662B1 (en) * | 1996-12-03 | 2002-11-26 | Union Carbide Chemicals & Plastics Technology Corporation | Process for preparing a simulated in situ polyethylene blend |
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 |
US6303233B1 (en) | 1998-04-06 | 2001-10-16 | Mobil Oil Corporation | Uniaxially shrinkable biaxially oriented polypropylene film |
JP4181681B2 (ja) | 1999-02-19 | 2008-11-19 | 日本ユニカー株式会社 | 難燃性エチレン系樹脂組成物及び電線・ケーブル |
US6441309B1 (en) * | 2000-09-26 | 2002-08-27 | Union Carbide Chemicals & Plastics Technology Corporation | Tree resistant cable |
MY137183A (en) | 2001-03-16 | 2009-01-30 | Dow Global Technologies Inc | Method of making interpolymers and products made therefrom |
US20050012235A1 (en) * | 2001-11-30 | 2005-01-20 | Schregenberger Sandra D | Oxygen tailoring of polyethylene resins |
AR040146A1 (es) | 2002-06-04 | 2005-03-16 | Union Carbide Chem Plastic | Composiciones de polimeros y metodo para fabricar canos |
GB0217522D0 (en) * | 2002-07-29 | 2002-09-04 | Borealis Tech Oy | Product |
GB0217520D0 (en) * | 2002-07-29 | 2002-09-04 | Borealis Tech Oy | Product |
US7790826B2 (en) * | 2004-05-06 | 2010-09-07 | DowGlobal Technologies Inc. | Polymer molding compositions |
US8202940B2 (en) | 2004-08-19 | 2012-06-19 | Univation Technologies, Llc | Bimodal polyethylene compositions for blow molding applications |
US7892466B2 (en) | 2004-08-19 | 2011-02-22 | Univation Technologies, Llc | Oxygen tailoring of polyethylene resins |
US20060038315A1 (en) * | 2004-08-19 | 2006-02-23 | Tunnell Herbert R Iii | Oxygen tailoring of polyethylene resins |
US7451600B2 (en) * | 2005-07-06 | 2008-11-18 | Pratt & Whitney Canada Corp. | Gas turbine engine combustor with improved cooling |
CN101117036A (zh) * | 2006-07-31 | 2008-02-06 | 陶氏全球科技股份有限公司 | 层状膜组合、由其制备的包装以及使用方法 |
CA2679916A1 (en) * | 2007-03-09 | 2008-09-18 | Dow Global Technologies Inc. | Stress/thermal cracking resistant cable sheath material |
US11345118B2 (en) | 2009-11-16 | 2022-05-31 | The Glad Products Company | Films and bags with visually distinct regions and methods of making the same |
US9108390B2 (en) | 2011-11-04 | 2015-08-18 | The Glad Products Company | Incrementally-stretched thermoplastic films and bags with increased haze |
US10780669B2 (en) | 2009-11-16 | 2020-09-22 | The Glad Products Company | Films and bags with visually distinct regions and methods of making the same |
JP5606545B2 (ja) | 2009-11-23 | 2014-10-15 | ダウ グローバル テクノロジーズ エルエルシー | 組成物、フィルム及びこれらの調製方法 |
BRPI1107080A2 (pt) | 2010-12-30 | 2013-04-24 | Braskem Sa | artigo formando por sopro e compressço |
AU2012249913A1 (en) | 2011-04-25 | 2013-10-24 | The Glad Products Company | Multi-layered films with visually-distinct regions and methods of making the same |
CA2832649C (en) | 2011-04-25 | 2018-11-20 | The Glad Products Company | Thermoplastic films with visually-distinct stretched regions and methods for making the same |
ES2618538T3 (es) | 2013-02-14 | 2017-06-21 | Dow Global Technologies Llc | Composiciones poliméricas basadas en etileno con aptitud de procesado mejorada |
CN107000295B (zh) | 2014-11-19 | 2019-12-06 | 埃克森美孚化学专利公司 | 用于减少凝胶的结构元件以及凝胶减少装置和方法 |
US20160317405A1 (en) | 2015-04-30 | 2016-11-03 | International Flavors & Fragrances Inc. | Nano silver for neutralizing thermoplastic bag and shoe malodors |
WO2016205387A1 (en) | 2015-06-15 | 2016-12-22 | Braskem America, Inc. | Long-chain branched polymers and production processes |
CN108367479A (zh) | 2015-12-16 | 2018-08-03 | 埃克森美孚化学专利公司 | 用于加工聚合物的装置和方法 |
US11325294B2 (en) | 2015-12-16 | 2022-05-10 | Exxonmobil Chemical Patents Inc. | Devices, systems, and processes for processing polymers |
EP3394163B1 (en) | 2015-12-21 | 2022-04-13 | Braskem America, Inc. | One-pot process for preparing long-chain branched polyolefins |
US10472506B2 (en) | 2016-02-29 | 2019-11-12 | Dow Global Technologies Llc | Halogen-free flame retardant compositions with improved tensile properties |
CA3059070A1 (en) | 2017-04-04 | 2018-10-11 | Braskem America, Inc. | High ethylene random copolymer with non-migrating oligomers |
US10829570B2 (en) | 2017-04-13 | 2020-11-10 | Braskem America, Inc. | Azide-modified polynorbornene as polymeric coupling agent |
US11091619B2 (en) | 2017-12-15 | 2021-08-17 | Braskem America, Inc. | High molecular weight polymers having improved crystallization |
US11124637B2 (en) | 2018-03-06 | 2021-09-21 | Braskem America, Inc. | Compositions for polyolefin foams |
WO2020207940A1 (en) * | 2019-04-09 | 2020-10-15 | Borealis Ag | Collation shrink film |
US20210129505A1 (en) | 2019-11-05 | 2021-05-06 | The Procter & Gamble Company | Thermoplastic films and bags having water-soluble polymer zones comprising a freshening active |
US20210130752A1 (en) | 2019-11-05 | 2021-05-06 | The Procter & Gamble Company | Substrates having water-soluble polymer zones comprising a freshening active and consumer products comprising the same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT619656A (es) * | 1958-11-05 | |||
US4277594A (en) * | 1979-05-23 | 1981-07-07 | Reynolds Metals Company | Heat shrinkable polyethylene film and method for its manufacture |
JPS5628826A (en) * | 1979-08-20 | 1981-03-23 | Kohjin Co Ltd | Thermoshrinking film and manufacturing thereof |
JPS5734920A (en) * | 1980-08-11 | 1982-02-25 | Mitsubishi Petrochem Co Ltd | Molding method for inflation film made of polyethylene |
SE422070B (sv) * | 1980-09-04 | 1982-02-15 | Unifos Kemi Ab | Streckt polyetenbaserat termoplastmaterial och forfarande for dess framstellning |
SE427043B (sv) * | 1981-06-02 | 1983-02-28 | Unifos Kemi Ab | Etenpolymerbaserad komposition der polyisobuten ingar samt anvendning herav |
US4540538A (en) * | 1981-10-08 | 1985-09-10 | Union Carbide Corporation | Anti-block compounds for extrusion of transition metal catalyzed resins |
JPS6040229A (ja) * | 1983-08-16 | 1985-03-02 | Showa Denko Kk | 高透明性の低温熱収縮性フィルムの製造方法 |
GB8333032D0 (en) * | 1983-12-10 | 1984-01-18 | Bp Chem Int Ltd | Orientated polyolefins |
JPS60187544A (ja) * | 1984-03-07 | 1985-09-25 | 株式会社興人 | 熱収縮性複合包装材料 |
US4594213A (en) * | 1984-09-25 | 1986-06-10 | Union Carbide Corporation | Reduction elimination of bubble formation when extruding granular polyolefins |
EP0204843B1 (en) * | 1984-12-13 | 1990-10-17 | Showa Denko Kabushiki Kaisha | Low temperature heat shrinkable film and process for producing the same |
JPH06116905A (ja) * | 1992-10-05 | 1994-04-26 | Kyowa Sekkei:Kk | 多目的平板の構造 |
-
1987
- 1987-12-22 US US07/136,719 patent/US4814135A/en not_active Expired - Fee Related
-
1988
- 1988-12-21 CA CA000586708A patent/CA1308858C/en not_active Expired - Lifetime
- 1988-12-21 DE DE8888121431T patent/DE3876082T2/de not_active Expired - Fee Related
- 1988-12-21 AT AT88121431T patent/ATE82545T1/de not_active IP Right Cessation
- 1988-12-21 EP EP88121431A patent/EP0321964B1/en not_active Expired - Lifetime
- 1988-12-21 JP JP63320772A patent/JPH0661813B2/ja not_active Expired - Lifetime
- 1988-12-21 BR BR888806771A patent/BR8806771A/pt not_active IP Right Cessation
- 1988-12-21 ES ES198888121431T patent/ES2035233T3/es not_active Expired - Lifetime
- 1988-12-21 CN CN88109251A patent/CN1017788B/zh not_active Expired
- 1988-12-21 KR KR1019880017098A patent/KR930010553B1/ko not_active IP Right Cessation
-
1993
- 1993-02-11 GR GR920402672T patent/GR3007029T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0321964A3 (en) | 1991-02-06 |
CN1035078A (zh) | 1989-08-30 |
DE3876082T2 (de) | 1993-05-27 |
KR890010056A (ko) | 1989-08-05 |
JPH0661813B2 (ja) | 1994-08-17 |
GR3007029T3 (es) | 1993-07-30 |
KR930010553B1 (ko) | 1993-10-28 |
EP0321964B1 (en) | 1992-11-19 |
US4814135A (en) | 1989-03-21 |
CN1017788B (zh) | 1992-08-12 |
JPH01259923A (ja) | 1989-10-17 |
EP0321964A2 (en) | 1989-06-28 |
CA1308858C (en) | 1992-10-13 |
ATE82545T1 (de) | 1992-12-15 |
DE3876082D1 (de) | 1992-12-24 |
BR8806771A (pt) | 1989-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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