CA920318A - Biaxially stretched film of polypropylene and process for the manufacture thereof - Google Patents

Biaxially stretched film of polypropylene and process for the manufacture thereof

Info

Publication number
CA920318A
CA920318A CA060525A CA60525A CA920318A CA 920318 A CA920318 A CA 920318A CA 060525 A CA060525 A CA 060525A CA 60525 A CA60525 A CA 60525A CA 920318 A CA920318 A CA 920318A
Authority
CA
Canada
Prior art keywords
polypropylene
manufacture
stretched film
biaxially stretched
biaxially
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.)
Expired
Application number
CA060525A
Other versions
CA60525S (en
Inventor
Roth Norbert
Gebler Horst
Lohmann Harald
Strutzel Hans
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.)
Kalle GmbH and Co KG
Original Assignee
Kalle GmbH and Co KG
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 GmbH and Co KG filed Critical Kalle GmbH and Co KG
Application granted granted Critical
Publication of CA920318A publication Critical patent/CA920318A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA060525A 1968-08-30 1969-08-27 Biaxially stretched film of polypropylene and process for the manufacture thereof Expired CA920318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681779585 DE1779585A1 (en) 1968-08-30 1968-08-30 Biaxially stretched polypropylene film and method for making the same

Publications (1)

Publication Number Publication Date
CA920318A true CA920318A (en) 1973-02-06

Family

ID=5703973

Family Applications (1)

Application Number Title Priority Date Filing Date
CA060525A Expired CA920318A (en) 1968-08-30 1969-08-27 Biaxially stretched film of polypropylene and process for the manufacture thereof

Country Status (2)

Country Link
CA (1) CA920318A (en)
DE (1) DE1779585A1 (en)

Also Published As

Publication number Publication date
DE1779585A1 (en) 1972-02-17

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