FI50132C - Menetelmä orientoitujen polyetyleenitereftalaattikalvojen mekaanisten ja dielektristen ominaisuuksien parantamiseksi. - Google Patents

Menetelmä orientoitujen polyetyleenitereftalaattikalvojen mekaanisten ja dielektristen ominaisuuksien parantamiseksi.

Info

Publication number
FI50132C
FI50132C FI682216A FI221668A FI50132C FI 50132 C FI50132 C FI 50132C FI 682216 A FI682216 A FI 682216A FI 221668 A FI221668 A FI 221668A FI 50132 C FI50132 C FI 50132C
Authority
FI
Finland
Prior art keywords
improving
mechanical
polyethylene terephthalate
dielectric properties
oriented polyethylene
Prior art date
Application number
FI682216A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI50132B (fr
Inventor
Paranthoen Rene Le
Georges Bonjour
Original Assignee
Cellophane Societe 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 Societe Anonyme filed Critical Cellophane Societe Anonyme
Publication of FI50132B publication Critical patent/FI50132B/fi
Application granted granted Critical
Publication of FI50132C publication Critical patent/FI50132C/fi

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
FI682216A 1967-08-08 1968-08-06 Menetelmä orientoitujen polyetyleenitereftalaattikalvojen mekaanisten ja dielektristen ominaisuuksien parantamiseksi. FI50132C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR117168A FR1539880A (fr) 1967-08-08 1967-08-08 Amélioration des pellicules orientées en polytéréphtalate d'éthylène

Publications (2)

Publication Number Publication Date
FI50132B FI50132B (fr) 1975-09-01
FI50132C true FI50132C (fi) 1975-12-10

Family

ID=8636537

Family Applications (1)

Application Number Title Priority Date Filing Date
FI682216A FI50132C (fi) 1967-08-08 1968-08-06 Menetelmä orientoitujen polyetyleenitereftalaattikalvojen mekaanisten ja dielektristen ominaisuuksien parantamiseksi.

Country Status (9)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814657B1 (fr) * 1970-05-26 1973-05-09
JPS5028459B1 (fr) * 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 (it) * 1975-10-23 1985-05-08 Allied Chem Fogli trasparenti e contenitori formati da miscele policarbonato poliestere e loro formazione
DE2633358C2 (de) * 1976-07-24 1986-10-30 Hoechst Ag, 6230 Frankfurt Verwendung von Polyäthylenterephthalat zur Herstellung gereckter Folien
EP0044616B1 (fr) * 1980-07-17 1985-01-09 Imperial Chemical Industries Plc Films contenant des polyesters et des polyoléfines
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 (de) * 1989-05-15 1994-08-04 Unitika Ltd Polyesterfilm.
EP1501885B1 (fr) 2002-04-09 2011-06-29 Illinois Tool Works Inc. Bandage de polyester a integrite elevee

Also Published As

Publication number Publication date
BE719076A (fr) 1969-01-16
FI50132B (fr) 1975-09-01
SE361488B (fr) 1973-11-05
SE361489B (fr) 1973-11-05
NL6811111A (fr) 1969-02-11
FR1539880A (fr) 1968-09-20
DK128687B (da) 1974-06-17
ES357023A1 (es) 1970-02-16
LU56658A1 (fr) 1970-02-10
NL146522B (nl) 1975-07-15
GB1195153A (en) 1970-06-17

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