BR8806771A - Processo de extrusao;pelicula contratil;e processo para contracao de uma pelicula em torno de artigo - Google Patents

Processo de extrusao;pelicula contratil;e processo para contracao de uma pelicula em torno de artigo

Info

Publication number
BR8806771A
BR8806771A BR888806771A BR8806771A BR8806771A BR 8806771 A BR8806771 A BR 8806771A BR 888806771 A BR888806771 A BR 888806771A BR 8806771 A BR8806771 A BR 8806771A BR 8806771 A BR8806771 A BR 8806771A
Authority
BR
Brazil
Prior art keywords
film
weight
copolymer
molecular weight
contraction
Prior art date
Application number
BR888806771A
Other languages
English (en)
Portuguese (pt)
Inventor
William Donald Heitz
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of BR8806771A publication Critical patent/BR8806771A/pt

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)
BR888806771A 1987-12-22 1988-12-21 Processo de extrusao;pelicula contratil;e processo para contracao de uma pelicula em torno de artigo BR8806771A (pt)

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
BR8806771A true BR8806771A (pt) 1989-08-29

Family

ID=22474065

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888806771A BR8806771A (pt) 1987-12-22 1988-12-21 Processo de extrusao;pelicula contratil;e processo para contracao de uma pelicula em torno de artigo

Country Status (11)

Country Link
US (1) US4814135A (cg-RX-API-DMAC10.html)
EP (1) EP0321964B1 (cg-RX-API-DMAC10.html)
JP (1) JPH0661813B2 (cg-RX-API-DMAC10.html)
KR (1) KR930010553B1 (cg-RX-API-DMAC10.html)
CN (1) CN1017788B (cg-RX-API-DMAC10.html)
AT (1) ATE82545T1 (cg-RX-API-DMAC10.html)
BR (1) BR8806771A (cg-RX-API-DMAC10.html)
CA (1) CA1308858C (cg-RX-API-DMAC10.html)
DE (1) DE3876082T2 (cg-RX-API-DMAC10.html)
ES (1) ES2035233T3 (cg-RX-API-DMAC10.html)
GR (1) GR3007029T3 (cg-RX-API-DMAC10.html)

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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
US9566760B2 (en) 2010-11-16 2017-02-14 The Glad Products Company Ribbed film structures with voiding agent created visual characteristics
US9604429B2 (en) 2010-11-16 2017-03-28 The Glad Products Company Ribbed film structures with pigment created visual characteristics
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
US5851610A (en) * 1991-02-07 1998-12-22 Applied Extrusion Technologies, Inc. Shrink films and articles including the same
US5250612A (en) * 1991-10-07 1993-10-05 The Dow Chemical Company Polyethylene films exhibiting low blocking force
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US5736258A (en) 1995-11-07 1998-04-07 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from an in situ blend of ethylene copolymers
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US6454976B1 (en) * 1996-06-26 2002-09-24 Union Carbide Chemicals & Plastics Technology Corporation Pelletizing of broad molecular weight polyethylene
US5728335A (en) * 1996-06-26 1998-03-17 Union Carbide Chemicals & Plastics Technology Corporation Process for extrusion
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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
MY131000A (en) * 2001-03-16 2007-07-31 Dow Global Technologies Inc High melt strength polymers and method of making same
US20050012235A1 (en) * 2001-11-30 2005-01-20 Schregenberger Sandra D Oxygen tailoring of polyethylene resins
ATE369396T1 (de) 2002-06-04 2007-08-15 Union Carbide Chem Plastic Polymerzusammensetzungen und verfahren zum herstellen von rohren daraus
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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
US20060038315A1 (en) * 2004-08-19 2006-02-23 Tunnell Herbert R Iii Oxygen tailoring of polyethylene resins
US7892466B2 (en) 2004-08-19 2011-02-22 Univation Technologies, Llc Oxygen tailoring of polyethylene resins
US7451600B2 (en) * 2005-07-06 2008-11-18 Pratt & Whitney Canada Corp. Gas turbine engine combustor with improved cooling
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EP2134778A1 (en) * 2007-03-09 2009-12-23 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
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
US9108390B2 (en) 2011-11-04 2015-08-18 The Glad Products Company Incrementally-stretched thermoplastic films and bags with increased haze
BR112012011058B1 (pt) 2009-11-23 2021-06-08 Dow Global Technologies Llc composição, filme e artigo
BRPI1107080A2 (pt) 2010-12-30 2013-04-24 Braskem Sa artigo formando por sopro e compressço
WO2012148916A1 (en) 2011-04-25 2012-11-01 The Glad Products Company Thermoplastic films with visually-distinct stretched regions and methods for making the same
WO2012148921A1 (en) 2011-04-25 2012-11-01 The Glad Products Company Milti-layered films with visually-distinct regions and methods of making the same
BR112015019203B1 (pt) 2013-02-14 2020-12-08 Dow Global Technologies Llc composição, resina de reologia modificada, segunda composição e artigo
EP3221118B1 (en) 2014-11-19 2022-07-27 ExxonMobil Chemical Patents Inc. Polymer processing system, and related method
US20160317405A1 (en) 2015-04-30 2016-11-03 International Flavors & Fragrances Inc. Nano silver for neutralizing thermoplastic bag and shoe malodors
CA2989415A1 (en) 2015-06-15 2016-12-22 Braskem America, Inc. Long-chain branched polymers and production processes
US11325294B2 (en) 2015-12-16 2022-05-10 Exxonmobil Chemical Patents Inc. Devices, systems, and processes for processing polymers
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
WO2017112644A1 (en) 2015-12-21 2017-06-29 Braskem America, Inc. One-pot process for preparing long-chain branched polyolefins
MX2018010424A (es) 2016-02-29 2018-11-09 Dow Global Technologies Llc Composiciones retardantes a las llamas libres de halogeno con propiedades de tension mejoradas.
MX2019011918A (es) 2017-04-04 2019-11-18 Braskem America Inc Copolimero aleatorio de alto etileno con oligomeros no migratorios.
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Also Published As

Publication number Publication date
JPH0661813B2 (ja) 1994-08-17
US4814135A (en) 1989-03-21
EP0321964A2 (en) 1989-06-28
CN1017788B (zh) 1992-08-12
JPH01259923A (ja) 1989-10-17
DE3876082D1 (de) 1992-12-24
GR3007029T3 (cg-RX-API-DMAC10.html) 1993-07-30
KR930010553B1 (ko) 1993-10-28
ATE82545T1 (de) 1992-12-15
CN1035078A (zh) 1989-08-30
CA1308858C (en) 1992-10-13
ES2035233T3 (es) 1993-04-16
DE3876082T2 (de) 1993-05-27
EP0321964B1 (en) 1992-11-19
KR890010056A (ko) 1989-08-05
EP0321964A3 (en) 1991-02-06

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/12/2003