IT945369B - BIAXIALLY STRETCHED SHEET IN PARTICULAR IN POLYPROPYLENE AND PROCEDURE FOR PRODUCING IT - Google Patents

BIAXIALLY STRETCHED SHEET IN PARTICULAR IN POLYPROPYLENE AND PROCEDURE FOR PRODUCING IT

Info

Publication number
IT945369B
IT945369B IT54653/71A IT5465371A IT945369B IT 945369 B IT945369 B IT 945369B IT 54653/71 A IT54653/71 A IT 54653/71A IT 5465371 A IT5465371 A IT 5465371A IT 945369 B IT945369 B IT 945369B
Authority
IT
Italy
Prior art keywords
polypropylene
procedure
producing
biaxially stretched
stretched sheet
Prior art date
Application number
IT54653/71A
Other languages
Italian (it)
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 IT945369B publication Critical patent/IT945369B/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)
IT54653/71A 1970-12-14 1971-12-10 BIAXIALLY STRETCHED SHEET IN PARTICULAR IN POLYPROPYLENE AND PROCEDURE FOR PRODUCING IT IT945369B (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
IT945369B true IT945369B (en) 1973-05-10

Family

ID=5790894

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54653/71A IT945369B (en) 1970-12-14 1971-12-10 BIAXIALLY STRETCHED SHEET IN PARTICULAR IN POLYPROPYLENE AND PROCEDURE FOR PRODUCING IT

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
BE776626A (en) 1972-06-13
FR2118575A5 (en) 1972-07-28
NL7116653A (en) 1972-06-16
LU64452A1 (en) 1973-07-16
AT312306B (en) 1973-12-27
GB1373965A (en) 1974-11-13
CA980968A (en) 1976-01-06
DE2061418A1 (en) 1972-06-22

Similar Documents

Publication Publication Date Title
IT988010B (en) IMPROVEMENT IN HYGIENIC ABSORBENTS AND MANUFACTURING PROCESS
BE771304A (en) EDGE IN TWO PARTS
TR17249A (en) REINFORCEMENT IN TIRAS STEPS
TR17374A (en) IMPROVEMENT IN TRAS KNIVES
BR7107798D0 (en) IMPROVEMENTS IN VALUE CLASSIFIER MECHANISMS
BE772810A (en) IMPROVED REFLECTIVE SHEET AND Y PROCESS
BR7102092D0 (en) DEVICE FOR FORMING THREADS IN OVENS AND SIMILAR
BE768342A (en) COPOLYKETON FILMS
IT942069B (en) PROCEDURE AND DEVICE FOR SHRINKING AND IN PARTICULAR VOLUMINIZING THE YARNS
CH501406A (en) Stretching frame
BR7108247D0 (en) IMPROVEMENTS IN MOTORIZED TOOL
CH530926A (en) Method and device for inverting flat structures, in particular newspapers
IT975527B (en) POLYOLEFIN FILMS
IT945369B (en) BIAXIALLY STRETCHED SHEET IN PARTICULAR IN POLYPROPYLENE AND PROCEDURE FOR PRODUCING IT
IT939579B (en) PROCESS AND DEVICE FOR THE PERFORATION OF SHEET MATERIALS
SE419817B (en) DISINFECTANT WITH VETEPEROXIDE IN AN OIL-IN-WATER EMULSION
CH525076A (en) Device for extruding plastic film tubes
CH523753A (en) Device for producing predetermined tear lines in sheet material
IT949444B (en) PROCEDURE AND DEVICE FOR FORMING THIN PLASTIC TRAYS
AR195781A1 (en) IMPROVEMENTS IN SEAT BELT CLOSURES
IT991184B (en) STRUCTURE IN SHEET AND PROCEDURE FOR ITS MANUFACTURING
BE769758A (en) THERMOCOPIAN SHEET
FI50564C (en) Device in window frame or frame
BE773291A (en) ORIENTED FILMS
BR7017906D0 (en) PERFECTING IN PORTATOALHA