ZA886000B - Polyolefin films with improved oxygen transmission - Google Patents

Polyolefin films with improved oxygen transmission

Info

Publication number
ZA886000B
ZA886000B ZA886000A ZA886000A ZA886000B ZA 886000 B ZA886000 B ZA 886000B ZA 886000 A ZA886000 A ZA 886000A ZA 886000 A ZA886000 A ZA 886000A ZA 886000 B ZA886000 B ZA 886000B
Authority
ZA
South Africa
Prior art keywords
oxygen transmission
polyolefin films
improved oxygen
improved
polyolefin
Prior art date
Application number
ZA886000A
Other languages
English (en)
Inventor
Walter Berndt Mueller
Berndt Mueller Walter
Original Assignee
Grace W R & 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
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of ZA886000B publication Critical patent/ZA886000B/xx

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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • 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
    • 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
    • B29C48/07—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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • 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
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Wrappers (AREA)
  • Packages (AREA)
ZA886000A 1987-09-02 1988-08-12 Polyolefin films with improved oxygen transmission ZA886000B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9201987A 1987-09-02 1987-09-02

Publications (1)

Publication Number Publication Date
ZA886000B true ZA886000B (en) 1989-04-26

Family

ID=22230875

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA886000A ZA886000B (en) 1987-09-02 1988-08-12 Polyolefin films with improved oxygen transmission

Country Status (5)

Country Link
EP (1) EP0308106A3 (fr)
JP (1) JPH0195138A (fr)
AU (1) AU2182488A (fr)
BR (1) BR8804502A (fr)
ZA (1) ZA886000B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112674A (en) * 1989-11-07 1992-05-12 Exxon Chemical Company Inc. Cling packaging film for wrapping food products
US5076988A (en) * 1990-03-09 1991-12-31 Union Carbide Chemicals And Plastics Technology Corporation Process for the extrusion of low density polyethylene
US5256458A (en) * 1990-09-18 1993-10-26 Viskase Corporation Shirred thermoplastic casing having external non-oil based lubricating coating
US5866267A (en) * 1994-11-07 1999-02-02 W. R. Grace & Co.-Conn. Oriented film with improved memory
ITTO20030043A1 (it) * 2003-01-28 2004-07-29 Nuova Poliver Di Oddone Colomba & C Snc Pellicola di polietilene per l'imballaggio di prodotti alimentari
US7338708B2 (en) * 2003-03-05 2008-03-04 Cryovac, Inc. Thick shrink film having high oxygen transmission rate
US7163967B2 (en) 2003-12-01 2007-01-16 Cryovac, Inc. Method of increasing the gas transmission rate of a film
US7335327B2 (en) 2003-12-31 2008-02-26 Cryovac, Inc. Method of shrinking a film
US7678841B2 (en) 2005-08-19 2010-03-16 Cryovac, Inc. Increasing the gas transmission rate of a film comprising fullerenes
CN106527310A (zh) * 2016-10-31 2017-03-22 深圳前海弘稼科技有限公司 农作物大棚的自动监控方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB881507A (en) * 1959-11-02 1961-11-01 Continental Can Co Improvements in or relating to polyethylene film
US3415925A (en) * 1967-08-01 1968-12-10 Grace W R & Co Process for preparing permeable polyethylene film
JPS5296654A (en) * 1976-02-10 1977-08-13 Ube Ind Ltd Wrapping films
JPS58191734A (ja) * 1982-05-01 1983-11-09 Fujikura Ltd 延伸フイルム
NL8701219A (nl) * 1987-05-22 1988-12-16 Stamicarbon Werkwijze voor het bereiden van een ultra-verstrekbaar polymeer materiaal, ultra-verstrekbaar polymeermateriaal, alsmede werkwijze voor het vervaardigen van voorwerpen.

Also Published As

Publication number Publication date
JPH0195138A (ja) 1989-04-13
AU2182488A (en) 1989-03-02
EP0308106A2 (fr) 1989-03-22
BR8804502A (pt) 1989-04-04
EP0308106A3 (fr) 1990-04-25

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