HUT65769A - Process for wrapping articles with stretch wrap films - Google Patents

Process for wrapping articles with stretch wrap films Download PDF

Info

Publication number
HUT65769A
HUT65769A HU9202208A HU220892A HUT65769A HU T65769 A HUT65769 A HU T65769A HU 9202208 A HU9202208 A HU 9202208A HU 220892 A HU220892 A HU 220892A HU T65769 A HUT65769 A HU T65769A
Authority
HU
Hungary
Prior art keywords
film
ethylene
copolymer
polymer
density
Prior art date
Application number
HU9202208A
Other languages
English (en)
Hungarian (hu)
Inventor
David Charles Climenhage
Original Assignee
Du Pont Canada
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 Du Pont Canada filed Critical Du Pont Canada
Publication of HUT65769A publication Critical patent/HUT65769A/hu

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)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (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)
HU9202208A 1990-06-26 1991-06-21 Process for wrapping articles with stretch wrap films HUT65769A (en)

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 (1)

Publication Number Publication Date
HUT65769A true HUT65769A (en) 1994-07-28

Family

ID=10678208

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9202208A HUT65769A (en) 1990-06-26 1991-06-21 Process for wrapping articles with stretch wrap films

Country Status (9)

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

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

Family Cites Families (8)

* 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
GB2063278B (en) * 1978-10-04 1983-01-12 Asahi Dow Ltd Composition for production of cold drawn film
GB2060658B (en) * 1979-05-10 1982-11-17 Asahi Dow Ltd Composition for production of cold drawn film
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
EP0208634B1 (fr) * 1985-07-01 1989-09-06 Rhone-Poulenc Chimie Nouveaux maléimides et nouvelles compositions thermodurcissables les contenant
US4833017A (en) * 1987-04-17 1989-05-23 Mobil Oil Corporation Particle-impregnated one-sided cling stretch wrap film
ATE103560T1 (de) * 1987-11-19 1994-04-15 Exxon Chemical Patents Inc Thermoplastische folien zur verwendung bei dehnungs- und haftungsanwendungsgebieten.

Also Published As

Publication number Publication date
EP0502132A1 (en) 1992-09-09
CA2072599A1 (en) 1991-12-27
GB2245572A (en) 1992-01-08
NZ238679A (en) 1994-02-25
CA2072599C (en) 2003-10-07
AU8005291A (en) 1992-01-23
AU641253B2 (en) 1993-09-16
TW205016B (ja) 1993-05-01
GB9014181D0 (en) 1990-08-15
WO1992000344A1 (en) 1992-01-09
PL297165A1 (en) 1993-09-06

Similar Documents

Publication Publication Date Title
US5043204A (en) Oriented polyethylene film
US4588650A (en) Olefin polymer stretch/cling film
US6265055B1 (en) Multilayer stretch cling film
CA2019876C (en) Bioriented film
US7572519B2 (en) Multilayer stretch film having cling properties, a method of preparation thereof and its use for stretch wrapping operations
EP0732994B1 (en) Stretch cling film and fabrication method
US5145728A (en) Oriented polyethylene film
US4557780A (en) Method of making an oriented polymeric film
EP0875372B1 (en) Polyolefin stretch film
EP0734409B1 (en) Non-acrylate cling film
AU717318B2 (en) Biaxially oriented polypropylene film having increased dimensional stability
KR100319247B1 (ko) 폴리프로필렌계열수축성적층필름
HU215094B (hu) Többrétegű polietilén film
US6361875B1 (en) Premium hand wrap multi-layer film products
AU2004311915A1 (en) Film with superior impact resistance and improved catastrophic failure resistance under high strain rate
US5788898A (en) Process of making polypropylene heat shrinkable film
US6299968B1 (en) General purpose multilayer film products
CA2175084C (en) Multilayered, bioriented, heat shrinkable film
JP3751965B2 (ja) ポリオレフィン系多層シュリンクフィルム
CA2178459A1 (en) Low shrink force shrink film containing homogeneous substantially linear polymer having long chain branching
HUT65769A (en) Process for wrapping articles with stretch wrap films
JPH11348205A (ja) 多層シュリンクフィルム
JP2002187245A (ja) ポリオレフィン系樹脂熱収縮性多層フィルム
JP2000062113A (ja) ポリオレフィン系樹脂フィルム
KR100203444B1 (ko) 선형 저밀도 폴리에틸렌 열수축성 필름 조성물 및 그 필름의 제조방법

Legal Events

Date Code Title Description
DFC4 Cancellation of temporary protection due to refusal