AT312306B - Biaxially stretched film made from polypropylene or a copolymer or blends of polypropylene and polyethylene and process for making the same - Google Patents

Biaxially stretched film made from polypropylene or a copolymer or blends of polypropylene and polyethylene and process for making the same

Info

Publication number
AT312306B
AT312306B AT1070271A AT1070271A AT312306B AT 312306 B AT312306 B AT 312306B AT 1070271 A AT1070271 A AT 1070271A AT 1070271 A AT1070271 A AT 1070271A AT 312306 B AT312306 B AT 312306B
Authority
AT
Austria
Prior art keywords
polypropylene
blends
copolymer
polyethylene
making
Prior art date
Application number
AT1070271A
Other languages
German (de)
Original Assignee
Kalle Ag
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 Kalle Ag filed Critical Kalle Ag
Application granted granted Critical
Publication of AT312306B publication Critical patent/AT312306B/en

Links

Classifications

    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
AT1070271A 1970-12-14 1971-12-13 Biaxially stretched film made from polypropylene or a copolymer or blends of polypropylene and polyethylene and process for making the same AT312306B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702061418 DE2061418A1 (en) 1970-12-14 1970-12-14 Biaxially stretched film made of polypropylene or a mixed polymer or mixtures of polypropylene and polyethylene and process for making the same

Publications (1)

Publication Number Publication Date
AT312306B true AT312306B (en) 1973-12-27

Family

ID=5790894

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1070271A AT312306B (en) 1970-12-14 1971-12-13 Biaxially stretched film made from polypropylene or a copolymer or blends of polypropylene and polyethylene and process for making the same

Country Status (9)

Country Link
AT (1) AT312306B (en)
BE (1) BE776626A (en)
CA (1) CA980968A (en)
DE (1) DE2061418A1 (en)
FR (1) FR2118575A5 (en)
GB (1) GB1373965A (en)
IT (1) IT945369B (en)
LU (1) LU64452A1 (en)
NL (1) NL7116653A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337774A (en) * 1976-09-20 1978-04-07 Toray Industries Method of producing roughened polypropylene film
GB1593311A (en) * 1977-03-30 1981-07-15 Shell Int Research Making cupped articles from mixed polyolefin plastics sheet
DE3323018A1 (en) * 1983-06-25 1985-01-10 Beiersdorf Ag, 2000 Hamburg DUCT TAPE

Also Published As

Publication number Publication date
LU64452A1 (en) 1973-07-16
NL7116653A (en) 1972-06-16
GB1373965A (en) 1974-11-13
DE2061418A1 (en) 1972-06-22
FR2118575A5 (en) 1972-07-28
BE776626A (en) 1972-06-13
CA980968A (en) 1976-01-06
IT945369B (en) 1973-05-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee