GB2245572A - A stretch wrap film - Google Patents

A stretch wrap film Download PDF

Info

Publication number
GB2245572A
GB2245572A GB9014181A GB9014181A GB2245572A GB 2245572 A GB2245572 A GB 2245572A GB 9014181 A GB9014181 A GB 9014181A GB 9014181 A GB9014181 A GB 9014181A GB 2245572 A GB2245572 A GB 2245572A
Authority
GB
United Kingdom
Prior art keywords
film
polymer
ethylene
copolymer
polyethylene
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.)
Withdrawn
Application number
GB9014181A
Other languages
English (en)
Other versions
GB9014181D0 (en
Inventor
David Charles Climenhage
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
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 DuPont Canada Inc filed Critical DuPont Canada Inc
Priority to GB9014181A priority Critical patent/GB2245572A/en
Publication of GB9014181D0 publication Critical patent/GB9014181D0/en
Priority to EP91911377A priority patent/EP0502132A1/en
Priority to AU80052/91A priority patent/AU641253B2/en
Priority to PL29716591A priority patent/PL297165A1/xx
Priority to PCT/CA1991/000226 priority patent/WO1992000344A1/en
Priority to HU9202208A priority patent/HUT65769A/hu
Priority to CA002072599A priority patent/CA2072599C/en
Priority to NZ238679A priority patent/NZ238679A/en
Priority to TW080104932A priority patent/TW205016B/zh
Publication of GB2245572A publication Critical patent/GB2245572A/en
Priority to NO92922758A priority patent/NO922758L/no
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • 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
    • B29K2995/0041—Crystalline
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/08—Copolymers of ethene

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
GB9014181A 1990-06-26 1990-06-26 A stretch wrap film Withdrawn GB2245572A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB9014181A GB2245572A (en) 1990-06-26 1990-06-26 A stretch wrap film
CA002072599A CA2072599C (en) 1990-06-26 1991-06-21 Stretch wrapping of a horizontal beam
PCT/CA1991/000226 WO1992000344A1 (en) 1990-06-26 1991-06-21 Stretch wrapping of a horizontal beam
AU80052/91A AU641253B2 (en) 1990-06-26 1991-06-21 Stretch wrapping of a horizontal beam
PL29716591A PL297165A1 (en) 1990-06-26 1991-06-21 Method of wrapping with shrinkable packaging foil
EP91911377A EP0502132A1 (en) 1990-06-26 1991-06-21 Stretch wrapping of a horizontal beam
HU9202208A HUT65769A (en) 1990-06-26 1991-06-21 Process for wrapping articles with stretch wrap films
NZ238679A NZ238679A (en) 1990-06-26 1991-06-24 Process of wrapping articles with stretch wrap film comprising a blend of
TW080104932A TW205016B (enrdf_load_stackoverflow) 1990-06-26 1991-06-25
NO92922758A NO922758L (no) 1990-06-26 1992-07-13 Strekkvikling av en horisontal rull

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9014181A GB2245572A (en) 1990-06-26 1990-06-26 A stretch wrap film

Publications (2)

Publication Number Publication Date
GB9014181D0 GB9014181D0 (en) 1990-08-15
GB2245572A true GB2245572A (en) 1992-01-08

Family

ID=10678208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9014181A Withdrawn GB2245572A (en) 1990-06-26 1990-06-26 A stretch wrap film

Country Status (9)

Country Link
EP (1) EP0502132A1 (enrdf_load_stackoverflow)
AU (1) AU641253B2 (enrdf_load_stackoverflow)
CA (1) CA2072599C (enrdf_load_stackoverflow)
GB (1) GB2245572A (enrdf_load_stackoverflow)
HU (1) HUT65769A (enrdf_load_stackoverflow)
NZ (1) NZ238679A (enrdf_load_stackoverflow)
PL (1) PL297165A1 (enrdf_load_stackoverflow)
TW (1) TW205016B (enrdf_load_stackoverflow)
WO (1) WO1992000344A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0716457D0 (en) 2007-08-23 2007-10-03 Innovia Films Ltd Naked collation package

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972964A (en) * 1973-12-26 1976-08-03 W. R. Grace & Co. Coating composition for polyethylene films comprising EPR and polybutene
GB2060658A (en) * 1979-05-10 1981-05-07 Asahi Dow Ltd Composition for production of cold drawn film
GB2063278A (en) * 1978-10-04 1981-06-03 Asahi Dow Ltd Composition for Production of Cold Drawn Film

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8300074D0 (en) * 1983-01-04 1983-02-09 Du Pont Canada Blends of polyethylene and polybutenes
FR2580224A1 (fr) * 1985-04-12 1986-10-17 Deome Plastiques Procede et dispositif pour la fabrication de films etirables a liaison par adherence de surface par extrusion, et films multicouches obtenus destines notamment au banderologie de produits sur palette
DE3665453D1 (en) * 1985-07-01 1989-10-12 Rhone Poulenc Chimie Maleimides and thermohardening compositions containing them
US4833017A (en) * 1987-04-17 1989-05-23 Mobil Oil Corporation Particle-impregnated one-sided cling stretch wrap film
DE3888791T3 (de) * 1987-11-19 1999-07-29 Exxon Chemical Patents Inc., Florham Park, N.J. Thermoplastische Folien zur Verwendung bei Dehnungs- und Haftungsanwendungsgebieten.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972964A (en) * 1973-12-26 1976-08-03 W. R. Grace & Co. Coating composition for polyethylene films comprising EPR and polybutene
GB2063278A (en) * 1978-10-04 1981-06-03 Asahi Dow Ltd Composition for Production of Cold Drawn Film
GB2060658A (en) * 1979-05-10 1981-05-07 Asahi Dow Ltd Composition for production of cold drawn film

Also Published As

Publication number Publication date
WO1992000344A1 (en) 1992-01-09
GB9014181D0 (en) 1990-08-15
TW205016B (enrdf_load_stackoverflow) 1993-05-01
EP0502132A1 (en) 1992-09-09
CA2072599C (en) 2003-10-07
HUT65769A (en) 1994-07-28
AU8005291A (en) 1992-01-23
NZ238679A (en) 1994-02-25
AU641253B2 (en) 1993-09-16
PL297165A1 (en) 1993-09-06
CA2072599A1 (en) 1991-12-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)