IT1163825B - Pellicola di polietilene lineare a bassa densita' e relativo procedimento di preparazione - Google Patents

Pellicola di polietilene lineare a bassa densita' e relativo procedimento di preparazione

Info

Publication number
IT1163825B
IT1163825B IT22158/83A IT2215883A IT1163825B IT 1163825 B IT1163825 B IT 1163825B IT 22158/83 A IT22158/83 A IT 22158/83A IT 2215883 A IT2215883 A IT 2215883A IT 1163825 B IT1163825 B IT 1163825B
Authority
IT
Italy
Prior art keywords
low density
polyethylene film
preparation procedure
linear polyethylene
density linear
Prior art date
Application number
IT22158/83A
Other languages
English (en)
Other versions
IT8322158A0 (it
IT8322158A1 (it
Inventor
Leopoldo V Cancio
James N Fitzsimmons
Robert M Mortellite
Wu Paichuan
Original Assignee
Clopay 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 Clopay Corp filed Critical Clopay Corp
Publication of IT8322158A0 publication Critical patent/IT8322158A0/it
Publication of IT8322158A1 publication Critical patent/IT8322158A1/it
Application granted granted Critical
Publication of IT1163825B publication Critical patent/IT1163825B/it

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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
    • 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
    • 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
    • B29C48/9155—Pressure rollers
    • 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
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • 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
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
IT22158/83A 1982-07-21 1983-07-20 Pellicola di polietilene lineare a bassa densita' e relativo procedimento di preparazione IT1163825B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/400,416 US4668463A (en) 1982-07-21 1982-07-21 Method of making linear low density polyethylene film

Publications (3)

Publication Number Publication Date
IT8322158A0 IT8322158A0 (it) 1983-07-20
IT8322158A1 IT8322158A1 (it) 1985-01-20
IT1163825B true IT1163825B (it) 1987-04-08

Family

ID=23583523

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22158/83A IT1163825B (it) 1982-07-21 1983-07-20 Pellicola di polietilene lineare a bassa densita' e relativo procedimento di preparazione

Country Status (14)

Country Link
US (1) US4668463A (it)
JP (1) JPS5967016A (it)
AR (1) AR231615A1 (it)
AU (1) AU553258B2 (it)
BE (1) BE897338A (it)
BR (1) BR8303887A (it)
CA (1) CA1191315A (it)
CH (1) CH653952A5 (it)
DE (1) DE3326056A1 (it)
FR (1) FR2530530B1 (it)
GB (1) GB2124139B (it)
IT (1) IT1163825B (it)
NL (1) NL189654C (it)
SE (1) SE461713B (it)

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DE3521331A1 (de) * 1984-07-03 1986-01-30 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Verfahren zur herstellung eines hochfesten polymerfilms und vorrichtung zur ausfuehrung des verfahrens
US4608221A (en) * 1984-12-28 1986-08-26 Union Carbide Corporation Process for reducing draw resonance in polymeric film
NL8502191A (nl) * 1985-08-06 1987-03-02 Stamicarbon Werkwijze voor het vervaardigen van vlakfolie.
NZ218971A (en) * 1986-01-21 1989-05-29 Mitsui Toatsu Chemicals Porous polyolefin films and their preparation
DE3623936C1 (it) * 1986-07-16 1987-12-03 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
NL8700305A (nl) * 1987-02-10 1988-09-01 Stamicarbon Werkwijze voor het vervaardigen van vlakfolie uit hogedichtheid polyetheen.
US4780264A (en) * 1987-05-22 1988-10-25 The Dow Chemical Company Linear low density polyethylene cast film
US4859379A (en) * 1987-12-30 1989-08-22 Mobil Oil Corporation Process for reducing draw resonance by heating film after extrusion
US4897293A (en) * 1988-07-12 1990-01-30 Kendall Company Novel roofing membrane and method of making
US5395471A (en) * 1991-10-15 1995-03-07 The Dow Chemical Company High drawdown extrusion process with greater resistance to draw resonance
US5674342A (en) * 1991-10-15 1997-10-07 The Dow Chemical Company High drawdown extrusion composition and process
US5582923A (en) 1991-10-15 1996-12-10 The Dow Chemical Company Extrusion compositions having high drawdown and substantially reduced neck-in
DE4413363A1 (de) * 1994-04-18 1995-10-26 Tegafol Gmbh Verfahren zur Herstellung von PP-Folien mit erhöhter Festigkeit
US5792534A (en) 1994-10-21 1998-08-11 The Dow Chemical Company Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus
US5618568A (en) * 1995-02-01 1997-04-08 Extrusion Dies, Inc. Dual-chamber vacuum box
DE19538049C2 (de) * 1995-10-12 1997-10-23 Bp Chemicals Plastec Gmbh Verfahren zur Herstellung einer Folienbahn
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DE19848395C2 (de) * 1997-11-13 2003-01-30 Tv Mainrollo Gmbh Kühlmöbel mit einer Abdeckung
DE19844786C2 (de) * 1998-09-30 2002-10-31 Tv Mainrollo Gmbh Kühlmöbel mit einer Abschirmung
EP1216135B1 (en) * 1999-09-14 2003-05-14 Clopay Plastic Products Company, Inc. High speed method of making plastic film and nonwoven laminates
US6619941B1 (en) * 2000-04-28 2003-09-16 Battenfeld Gloucester Engineering Co., Inc. Cast film cooling device
US7374045B2 (en) * 2003-03-26 2008-05-20 Diliberto Samuel L Disaster pack and method for making the same
PL1716830T3 (pl) 2005-04-26 2007-12-31 Rkw Se Sposób wytwarzania wstęgi folii
US7870960B2 (en) * 2005-09-16 2011-01-18 Diliberto Samuel L Disaster pack
DE102005054032A1 (de) * 2005-11-10 2007-05-16 Tesa Ag Verfahren zur Herstellung von Haftklebemassen hoher Anisotropie
WO2009099968A2 (en) * 2008-02-01 2009-08-13 Clear Fx, Llc Art infused films and methods for making the same
US8221298B2 (en) * 2008-07-21 2012-07-17 Paragon Films, Inc. Apparatus and method for folding film edges
EP2256159A1 (en) * 2009-05-26 2010-12-01 Borealis AG Polymer composition for crosslinked pipes
ES2487517T3 (es) * 2009-05-26 2014-08-21 Borealis Ag Composición polimérica para artículos reticulados
US9827696B2 (en) 2011-06-17 2017-11-28 Fiberweb, Llc Vapor-permeable, substantially water-impermeable multilayer article
US10369769B2 (en) 2011-06-23 2019-08-06 Fiberweb, Inc. Vapor-permeable, substantially water-impermeable multilayer article
WO2012177996A2 (en) 2011-06-23 2012-12-27 Fiberweb, Inc. Vapor permeable, substantially water impermeable multilayer article
US9765459B2 (en) 2011-06-24 2017-09-19 Fiberweb, Llc Vapor-permeable, substantially water-impermeable multilayer article
PL2719518T3 (pl) 2011-09-02 2016-12-30 Sposób rozciągania wstęgi folii
US9492332B2 (en) 2014-05-13 2016-11-15 Clopay Plastic Products Company, Inc. Breathable and microporous thin thermoplastic film
CA3189969A1 (en) * 2015-07-10 2017-01-19 Berry Global, Inc. Microporous breathable film and method of making the microporous breathable film
US11472085B2 (en) 2016-02-17 2022-10-18 Berry Plastics Corporation Gas-permeable barrier film and method of making the gas-permeable barrier film
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US11584111B2 (en) 2018-11-05 2023-02-21 Windmoeller & Hoelscher Kg Breathable thermoplastic film with reduced shrinkage
US20210370650A1 (en) 2018-11-05 2021-12-02 Kloner S.L. Co-extruded multilayer structure and method for obtaining thereof
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Also Published As

Publication number Publication date
NL189654C (nl) 1993-06-16
AU553258B2 (en) 1986-07-10
CA1191315A (en) 1985-08-06
BE897338A (fr) 1984-01-20
SE8304038L (sv) 1984-01-22
GB8319664D0 (en) 1983-08-24
DE3326056C2 (it) 1993-01-28
FR2530530A1 (fr) 1984-01-27
GB2124139B (en) 1986-03-12
CH653952A5 (fr) 1986-01-31
AR231615A1 (es) 1985-01-31
JPH0359823B2 (it) 1991-09-11
IT8322158A0 (it) 1983-07-20
BR8303887A (pt) 1984-02-28
NL8302606A (nl) 1984-02-16
AU1716083A (en) 1984-01-26
US4668463A (en) 1987-05-26
DE3326056A1 (de) 1984-01-26
IT8322158A1 (it) 1985-01-20
JPS5967016A (ja) 1984-04-16
NL189654B (nl) 1993-01-18
FR2530530B1 (fr) 1987-08-28
SE8304038D0 (sv) 1983-07-19
GB2124139A (en) 1984-02-15
SE461713B (sv) 1990-03-19

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730