JPS57147543A - Polyester film - Google Patents

Polyester film

Info

Publication number
JPS57147543A
JPS57147543A JP3118781A JP3118781A JPS57147543A JP S57147543 A JPS57147543 A JP S57147543A JP 3118781 A JP3118781 A JP 3118781A JP 3118781 A JP3118781 A JP 3118781A JP S57147543 A JPS57147543 A JP S57147543A
Authority
JP
Japan
Prior art keywords
polyester
polyester film
polysulfone compound
dispersing
prepared
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.)
Pending
Application number
JP3118781A
Other languages
Japanese (ja)
Inventor
Takamasa Asano
Shigeru Horie
Tetsuo Ichihashi
Shiro Kumakawa
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP3118781A priority Critical patent/JPS57147543A/en
Publication of JPS57147543A publication Critical patent/JPS57147543A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: A polyester film, prepared by dispersing a polysulfone compound in a granular form in a polyester, and having improved slipperiness, abrasion resistance and wear resistance.
CONSTITUTION: A film, consisting of a polyester, and prepared by dispersing a granular polysulfone compound, 50wt% or more of which has a diameter ≤3μ, in an amount of 0.05W3wt%, preferably 0.05W1wt%, therein. The polysulfone compound preferably contains at least one of the repeating units expressed by formulasIWIII as main constitutent units.
COPYRIGHT: (C)1982,JPO&Japio
JP3118781A 1981-03-06 1981-03-06 Polyester film Pending JPS57147543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3118781A JPS57147543A (en) 1981-03-06 1981-03-06 Polyester film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3118781A JPS57147543A (en) 1981-03-06 1981-03-06 Polyester film

Publications (1)

Publication Number Publication Date
JPS57147543A true JPS57147543A (en) 1982-09-11

Family

ID=12324427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3118781A Pending JPS57147543A (en) 1981-03-06 1981-03-06 Polyester film

Country Status (1)

Country Link
JP (1) JPS57147543A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6134068A (en) * 1984-06-29 1986-02-18 アモコ、コ−ポレ−ション Formed electric device and composition therefor
JPH11152353A (en) * 1997-11-19 1999-06-08 Toray Ind Inc Aromatic polyamide film and magnetic recording medium using the same
WO2001014462A1 (en) * 1999-08-25 2001-03-01 Toray Industries, Inc. Biaxially oriented film and magnetic recording medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034899A (en) * 1973-08-01 1975-04-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034899A (en) * 1973-08-01 1975-04-03

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6134068A (en) * 1984-06-29 1986-02-18 アモコ、コ−ポレ−ション Formed electric device and composition therefor
JPH0371468B2 (en) * 1984-06-29 1991-11-13 Amoco Corp
JPH11152353A (en) * 1997-11-19 1999-06-08 Toray Ind Inc Aromatic polyamide film and magnetic recording medium using the same
WO2001014462A1 (en) * 1999-08-25 2001-03-01 Toray Industries, Inc. Biaxially oriented film and magnetic recording medium

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