BR8303475A - Pelicula de poliester biaxialmente orientada e processo de preparacao da pelicula - Google Patents

Pelicula de poliester biaxialmente orientada e processo de preparacao da pelicula

Info

Publication number: BR8303475A
Authority: BR; Brazil
Prior art keywords: film; preparation process; biaxially oriented; oriented polyester; polyester film
Prior art date: 1982-06-30

Application number

BR8303475A

Other languages

English (en)

Inventor

Marie-Odile Jacquier

Jacques Barbey

Original Assignee

Rhone Poulenc Films

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.)

1982-06-30

Filing date

1983-06-28

Publication date

1984-02-07

1983-06-28 Application filed by Rhone Poulenc Films filed Critical Rhone Poulenc Films

1984-02-07 Publication of BR8303475A publication Critical patent/BR8303475A/pt

Classifications

- 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

BR8303475A 1982-06-30 1983-06-28 Pelicula de poliester biaxialmente orientada e processo de preparacao da pelicula BR8303475A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8211465A FR2529506A1 (fr)	1982-06-30	1982-06-30	Film de polyester biaxialement oriente, son procede de preparation et son application comme support de bande magnetique

Publications (1)

Publication Number	Publication Date
BR8303475A true BR8303475A (pt)	1984-02-07

Family

ID=9275549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8303475A BR8303475A (pt)	1982-06-30	1983-06-28	Pelicula de poliester biaxialmente orientada e processo de preparacao da pelicula

Country Status (4)

Country	Link
EP (1)	EP0099839A1 (pt)
JP (1)	JPS5948125A (pt)
BR (1)	BR8303475A (pt)
FR (1)	FR2529506A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2640984B1 (pt) *	1988-12-28	1992-09-11	Rhone Poulenc Films
JPH0542596A (ja) *	1991-08-16	1993-02-23	Toyobo Co Ltd	二軸配向ポリエチレンテレフタレート系フイルム
JP2007268859A (ja) *	2006-03-31	2007-10-18	Japan Steel Works Ltd:The	シート材の押出成形装置、シート材の押出成形方法、およびシート材
JP5915102B2 (ja) *	2011-11-11	2016-05-11	東レ株式会社	二軸配向ポリエステルフィルムおよび磁気記録媒体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2995779A (en) *	1959-03-12	1961-08-15	Du Pont	Treatment for polymeric film to restrain gauge variation
FR1345217A (fr) *	1961-11-21	1963-12-06	Du Pont	Procédé d'étirage de pellicules en polyesters
US3432591A (en) *	1966-10-21	1969-03-11	Du Pont	Biaxially oriented heat set film of high molecular weight polyethylene terephthalate

1982
- 1982-06-30 FR FR8211465A patent/FR2529506A1/fr active Granted
1983
- 1983-06-28 BR BR8303475A patent/BR8303475A/pt unknown
- 1983-06-28 EP EP83420106A patent/EP0099839A1/fr not_active Withdrawn
- 1983-06-29 JP JP58118048A patent/JPS5948125A/ja active Pending

Also Published As

Publication number	Publication date
JPS5948125A (ja)	1984-03-19
FR2529506B1 (pt)	1985-03-15
FR2529506A1 (fr)	1984-01-06
EP0099839A1 (fr)	1984-02-01

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