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)
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 (pt)
EP (1) EP0321964B1 (pt)
JP (1) JPH0661813B2 (pt)
KR (1) KR930010553B1 (pt)
CN (1) CN1017788B (pt)
AT (1) ATE82545T1 (pt)
BR (1) BR8806771A (pt)
CA (1) CA1308858C (pt)
DE (1) DE3876082T2 (pt)
ES (1) ES2035233T3 (pt)
GR (1) GR3007029T3 (pt)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0299750B1 (en) * 1987-07-13 1994-09-28 Mitsubishi Kasei Corporation Linear polyethylene film and process for producing the same
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
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
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
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.
EP0713889A2 (en) 1994-11-23 1996-05-29 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
US5736258A (en) * 1995-11-07 1998-04-07 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from an in situ blend of ethylene copolymers
US5925448A (en) * 1995-11-07 1999-07-20 Union Carbide Chemicals & Plastics Technology Corporation Film extruded from a 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
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
BR0311703B1 (pt) 2002-06-04 2013-11-19 Composição polimérica, método para fabricar tubos, processo de polimerização e tubo
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
US7892466B2 (en) 2004-08-19 2011-02-22 Univation Technologies, Llc Oxygen tailoring of polyethylene resins
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
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
US20100101822A1 (en) * 2007-03-09 2010-04-29 Bunker Shana P Stress/Thermal Cracking Resistant Cable Sheath Material
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
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
MY167895A (en) 2009-11-23 2018-09-26 Dow Global Technologies Llc Compositions, films and methods of preparing the same
BRPI1107080A2 (pt) 2010-12-30 2013-04-24 Braskem Sa artigo formando por sopro e compressço
CA2832730C (en) 2011-04-25 2018-11-13 The Glad Products Company Multi-layered films with visually-distinct regions and methods of making the same
CN103648750B (zh) 2011-04-25 2016-08-24 格拉德产品公司 具有视觉上相异的拉伸区域的热塑性膜及其制造方法
US11384226B2 (en) 2013-02-14 2022-07-12 Dow Global Technologies Llc Ethylene-based polymer compositions with improved processability
WO2016081077A1 (en) 2014-11-19 2016-05-26 Exxonmobil Chemical Patents Inc. Structural element for gel reducing, as well as gel reducing apparatus and method
US20160317405A1 (en) 2015-04-30 2016-11-03 International Flavors & Fragrances Inc. Nano silver for neutralizing thermoplastic bag and shoe malodors
US9926388B2 (en) 2015-06-15 2018-03-27 Braskem America, Inc. Long-chain branched polymers and production processes
EP3389984B1 (en) 2015-12-16 2021-12-15 ExxonMobil Chemical Patents Inc. Device and process for processing polyolefin polymers
US11383416B2 (en) 2015-12-16 2022-07-12 Exxonmobil Chemical Patents Inc. Devices, systems, and processes for processing polymers
BR112018012629B1 (pt) 2015-12-21 2022-04-19 Braskem America, Inc Processo para formar uma poliolefina ramificada de cadeia longa
JP6975718B2 (ja) 2016-02-29 2021-12-01 ダウ グローバル テクノロジーズ エルエルシー 改善された引張特性を有するハロゲンフリー難燃剤組成物
BR112019020838B1 (pt) 2017-04-04 2023-12-12 Braskem America, Inc Filme de baixa opacidade, composição de embalagem, composição plástica, e método para preparação do filme de baixa opacidade
US10829570B2 (en) 2017-04-13 2020-11-10 Braskem America, Inc. Azide-modified polynorbornene as polymeric coupling agent
BR112020011694A2 (pt) 2017-12-15 2020-11-17 Braskem America, Inc. composição à base de polipropileno de alto peso molecular, método para preparar a composição à base de polipropileno de alto peso molecular, e, artigo.
EP3762449B1 (en) 2018-03-06 2023-07-19 Braskem America, Inc. Compositions for polyolefin foams
KR102387604B1 (ko) * 2019-04-09 2022-04-15 보레알리스 아게 컬레이션 수축 필름
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT619656A (pt) * 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
DE3483427D1 (de) * 1984-12-13 1990-11-22 Showa Denko Kk Bei niedriger temperature durch erwaermung schrumpfbarer film und dessen herstellung.
JPH06116905A (ja) * 1992-10-05 1994-04-26 Kyowa Sekkei:Kk 多目的平板の構造

Also Published As

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

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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