DK128687B - Process for improving the mechanical and electrical properties of biaxially oriented polyethylene terephthalate films. - Google Patents

Process for improving the mechanical and electrical properties of biaxially oriented polyethylene terephthalate films.

Info

Publication number
DK128687B
DK128687B DK376968AA DK376968A DK128687B DK 128687 B DK128687 B DK 128687B DK 376968A A DK376968A A DK 376968AA DK 376968 A DK376968 A DK 376968A DK 128687 B DK128687 B DK 128687B
Authority
DK
Denmark
Prior art keywords
improving
mechanical
polyethylene terephthalate
electrical properties
biaxially oriented
Prior art date
Application number
DK376968AA
Other languages
Danish (da)
Inventor
G Bonjour
R Paranthoen
Original Assignee
Cellophane Soc Anonyme
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 Cellophane Soc Anonyme filed Critical Cellophane Soc Anonyme
Publication of DK128687B publication Critical patent/DK128687B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H01B3/421—Polyesters
    • H01B3/422—Linear saturated polyesters derived from dicarboxylic acids and dihydroxy compounds
    • H01B3/423—Linear aromatic polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
DK376968AA 1967-08-08 1968-08-05 Process for improving the mechanical and electrical properties of biaxially oriented polyethylene terephthalate films. DK128687B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR117168A FR1539880A (en) 1967-08-08 1967-08-08 Improvement of polyethylene terephthalate oriented films

Publications (1)

Publication Number Publication Date
DK128687B true DK128687B (en) 1974-06-17

Family

ID=8636537

Family Applications (1)

Application Number Title Priority Date Filing Date
DK376968AA DK128687B (en) 1967-08-08 1968-08-05 Process for improving the mechanical and electrical properties of biaxially oriented polyethylene terephthalate films.

Country Status (9)

Country Link
BE (1) BE719076A (en)
DK (1) DK128687B (en)
ES (1) ES357023A1 (en)
FI (1) FI50132C (en)
FR (1) FR1539880A (en)
GB (1) GB1195153A (en)
LU (1) LU56658A1 (en)
NL (1) NL146522B (en)
SE (2) SE361488B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814657B1 (en) * 1970-05-26 1973-05-09
JPS5028459B1 (en) * 1970-12-21 1975-09-16
US3958064A (en) 1971-06-21 1976-05-18 Minnesota Mining And Manufacturing Company Magnetic recording tape
GB1415686A (en) * 1972-10-24 1975-11-26 Ici Ltd Voided films
IT1078638B (en) * 1975-10-23 1985-05-08 Allied Chem TRANSPARENT SHEETS AND CONTAINERS FORMED FROM POLYCARBONATE MIXTURES POLYESTER AND THEIR FORMATION
DE2633358C2 (en) * 1976-07-24 1986-10-30 Hoechst Ag, 6230 Frankfurt Use of polyethylene terephthalate for the production of stretched films
EP0044616B1 (en) * 1980-07-17 1985-01-09 Imperial Chemical Industries Plc Films from compositions of polyesters and olefine polymers
US4572852A (en) * 1982-08-18 1986-02-25 The Goodyear Tire & Rubber Company Thermoforming partially crystalline polyester articles
US4463121A (en) * 1982-08-18 1984-07-31 The Goodyear Tire & Rubber Company Thermoforming partially crystalline polyester articles
DE69005695T2 (en) * 1989-05-15 1994-08-04 Unitika Ltd Polyester film.
AU2003220658B2 (en) 2002-04-09 2008-01-10 Signode International Ip Holdings Llc High integrity polyester strapping

Also Published As

Publication number Publication date
FR1539880A (en) 1968-09-20
LU56658A1 (en) 1970-02-10
ES357023A1 (en) 1970-02-16
FI50132C (en) 1975-12-10
GB1195153A (en) 1970-06-17
SE361489B (en) 1973-11-05
FI50132B (en) 1975-09-01
BE719076A (en) 1969-01-16
NL6811111A (en) 1969-02-11
SE361488B (en) 1973-11-05
NL146522B (en) 1975-07-15

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