DE3879544T2 - Flachfolie aus linearem Polyäthylen niedriger Dichte. - Google Patents

Flachfolie aus linearem Polyäthylen niedriger Dichte.

Info

Publication number
DE3879544T2
DE3879544T2 DE88304667T DE3879544T DE3879544T2 DE 3879544 T2 DE3879544 T2 DE 3879544T2 DE 88304667 T DE88304667 T DE 88304667T DE 3879544 T DE3879544 T DE 3879544T DE 3879544 T2 DE3879544 T2 DE 3879544T2
Authority
DE
Germany
Prior art keywords
density polyethylene
low density
linear low
film made
flat film
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.)
Revoked
Application number
DE88304667T
Other languages
English (en)
Other versions
DE3879544D1 (de
Inventor
Katryn K Dohrer
Debra H Niemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21982843&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3879544(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE3879544D1 publication Critical patent/DE3879544D1/de
Publication of DE3879544T2 publication Critical patent/DE3879544T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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
    • B29C48/25—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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0063—Density
    • 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

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Organic Insulating Materials (AREA)
  • Multicomponent Fibers (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Wrappers (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
DE88304667T 1987-05-22 1988-05-23 Flachfolie aus linearem Polyäthylen niedriger Dichte. Revoked DE3879544T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/053,239 US4780264A (en) 1987-05-22 1987-05-22 Linear low density polyethylene cast film

Publications (2)

Publication Number Publication Date
DE3879544D1 DE3879544D1 (de) 1993-04-29
DE3879544T2 true DE3879544T2 (de) 1993-10-07

Family

ID=21982843

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88304667T Revoked DE3879544T2 (de) 1987-05-22 1988-05-23 Flachfolie aus linearem Polyäthylen niedriger Dichte.

Country Status (13)

Country Link
US (1) US4780264A (de)
EP (1) EP0292336B1 (de)
JP (1) JP2551831B2 (de)
KR (1) KR960007287B1 (de)
AT (1) ATE87256T1 (de)
AU (1) AU607774B2 (de)
BR (1) BR8807518A (de)
CA (1) CA1321457C (de)
DE (1) DE3879544T2 (de)
ES (1) ES2039032T3 (de)
FI (1) FI94055C (de)
NO (1) NO174299C (de)
WO (1) WO1988009258A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4780264A (en) * 1987-05-22 1988-10-25 The Dow Chemical Company Linear low density polyethylene cast film
US6025448A (en) 1989-08-31 2000-02-15 The Dow Chemical Company Gas phase polymerization of olefins
US6538080B1 (en) 1990-07-03 2003-03-25 Bp Chemicals Limited Gas phase polymerization of olefins
US5783638A (en) * 1991-10-15 1998-07-21 The Dow Chemical Company Elastic substantially linear ethylene polymers
US5582923A (en) 1991-10-15 1996-12-10 The Dow Chemical Company Extrusion compositions having high drawdown and substantially reduced neck-in
US5525695A (en) 1991-10-15 1996-06-11 The Dow Chemical Company Elastic linear interpolymers
US5395471A (en) * 1991-10-15 1995-03-07 The Dow Chemical Company High drawdown extrusion process with greater resistance to draw resonance
US5278272A (en) 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US5674342A (en) 1991-10-15 1997-10-07 The Dow Chemical Company High drawdown extrusion composition and process
US5654394A (en) * 1994-04-08 1997-08-05 Toray Industries, Inc. Thermoplastic resin film
US5773106A (en) 1994-10-21 1998-06-30 The Dow Chemical Company Polyolefin compositions exhibiting heat resistivity, low hexane-extractives and controlled modulus
GB9507324D0 (en) * 1995-04-07 1995-05-31 Exxon Chemical Patents Inc A method to reduce draw resonance
JP2001501552A (ja) * 1996-05-28 2001-02-06 エクソン・ケミカル・パテンツ・インク 改良された溶融押出法及びその方法により製造されたフィルム
BRPI0518103B1 (pt) * 2005-01-03 2016-12-13 Dow Global Technologies Inc composição poliolefínica
US9206293B2 (en) * 2014-01-31 2015-12-08 Fina Technology, Inc. Polyethyene and articles produced therefrom
CN110637049B (zh) 2017-04-06 2022-04-05 埃克森美孚化学专利公司 流延膜及其制造方法
EA202190934A1 (ru) 2018-11-05 2022-02-04 Клонер С.Л. Соэкструдированная многослойная структура и способ ее получения
CN109834962A (zh) * 2019-03-18 2019-06-04 潍坊胜达科技股份有限公司 一种家电板用易撕裂pe涂胶保护膜制作方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076698A (en) * 1956-03-01 1978-02-28 E. I. Du Pont De Nemours And Company Hydrocarbon interpolymer compositions
US4302566A (en) * 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
US4282177A (en) * 1979-01-08 1981-08-04 Union Carbide Corporation Method for reducing sharkskin melt fracture during extrusion of ethylene polymers
US4348349A (en) * 1980-10-01 1982-09-07 Union Carbide Corporation Method for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer
US4339507A (en) * 1980-11-26 1982-07-13 Union Carbide Corporation Linear low density ethylene hydrocarbon copolymer containing composition for extrusion coating
US4360494A (en) * 1981-04-01 1982-11-23 Union Carbide Corporation Process for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer
US4668463A (en) * 1982-07-21 1987-05-26 Clopay Corporation Method of making linear low density polyethylene film
US4486377A (en) * 1982-09-27 1984-12-04 Union Carbide Corporation Process for reducing draw resonance in polymeric film
JPS6072715A (ja) * 1983-09-30 1985-04-24 Mitsubishi Chem Ind Ltd 包装袋の製造方法
US4608221A (en) * 1984-12-28 1986-08-26 Union Carbide Corporation Process for reducing draw resonance in polymeric film
JPH0720664B2 (ja) * 1985-05-29 1995-03-08 三菱化学株式会社 低密度ポリエチレン二軸延伸フイルムの製造法
US4612300A (en) * 1985-06-06 1986-09-16 The Dow Chemical Company Novel catalyst for producing relatively narrow molecular weight distribution olefin polymers
NL8502190A (nl) * 1985-08-06 1987-03-02 Stamicarbon Werkwijze voor het vervaardigen van blaasfolie en georienteerde folie.
US4780264A (en) * 1987-05-22 1988-10-25 The Dow Chemical Company Linear low density polyethylene cast film

Also Published As

Publication number Publication date
JPH02503540A (ja) 1990-10-25
AU607774B2 (en) 1991-03-14
FI895534A0 (fi) 1989-11-21
NO890285L (no) 1989-03-21
NO174299B (no) 1994-01-03
KR960007287B1 (ko) 1996-05-30
NO890285D0 (no) 1989-01-23
EP0292336B1 (de) 1993-03-24
JP2551831B2 (ja) 1996-11-06
BR8807518A (pt) 1990-03-27
EP0292336A1 (de) 1988-11-23
ES2039032T3 (es) 1993-08-16
AU1809188A (en) 1988-12-21
WO1988009258A1 (en) 1988-12-01
CA1321457C (en) 1993-08-24
KR890701323A (ko) 1989-12-20
FI94055C (fi) 1995-07-10
ATE87256T1 (de) 1993-04-15
US4780264A (en) 1988-10-25
FI94055B (fi) 1995-03-31
NO174299C (no) 1994-04-13
DE3879544D1 (de) 1993-04-29

Similar Documents

Publication Publication Date Title
DE3879544T2 (de) Flachfolie aus linearem Polyäthylen niedriger Dichte.
FR2493854B1 (fr) Compositions de polyethylene ameliorees pour extrusion notamment pour extrusion-soufflage
KR870000380A (ko) 기어용 수지조성물
EP0622647A3 (en) Optical waveguide having an essentially planar substrate and its application.
ATE142672T1 (de) Polyethylen-formmasse
KR890010056A (ko) 수축필름을 제조하는 방법
FR2481709B1 (fr) Composition de polymeres convenant pour l'extrusion et le soufflage
KR900007953A (ko) 내(耐) 블로킹(blocking)성이 우수한 부대(bag)
DE3574980D1 (de) Duenne folien aus hochmolekularem polyaethylen und verfahren zur herstellung derselben.
ES2090562T5 (es) Procedimiento de obtencion de peliculas de poliester semicristalinas orientadas.
KR940007105A (ko) 수지조성물과 그 제조방법 및 응용제품
DE3884918T2 (de) Verfahren zum Herstellen einer schrumpfbaren Folie.
DE59109078D1 (de) Siegelbare, weisse Folie aus Polypropylenpolymeren mit guten mechanischen Eigenschaften
IT8320479A0 (it) Processo per polietilene lineare abassa densita' e prodotto relativo.
FI850500L (fi) Foerfarande foer framstaellning av blaost film.
FR2337620A1 (fr) Dispositif pour la fabrication de tubes en resine thermoplastique munis interieurement d'au moins un fil ou cable
DE69113497T2 (de) Fluoroacrylatpolymer mit Schmiereigenschaften und thermoplastische Harzzusammensetzung, die diese enthält.
DE69103598T2 (de) Verfahren zur Herstellung von Schmierölen mit niedrigem Stockpunkt und hohem Viskositätsindex durch Lösungsmittelentparaffinierung.
JPS5622668A (en) Structure materials* their manufacture and their application to road pavement
DE3381311D1 (de) Verfahren zur herstellung von polyaethylenkunststoff mit ultrahochmolekulargewicht und hoher dimensionsgenauigkeit.
EP0303985A3 (de) Verwendung von Folien aus Kunststoffen mit polaren Molekülgruppen als Primärpackmittel für Beta-Laktam-Antibiotika sowie Kunststoffbeutel
KR920011680A (ko) 압출 수지물의 표면에 모래 입자를 피복하는 방법
DE69130026D1 (de) Behälter aus mit beschränkter Sauerstoffdurchlässigkeit versehene Polyolefinzusammensetzung
UA19330A (uk) Світлоперетворюючий склад для виготовлеhhя екструзійhої поліетилеhової плівки

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation