BIAXIALLY ORIENTED POLYESTER FILM FOR RIBBON FOR USE IN THERMAL TRANSFER RECORDING, AND LAMINATED FILM COMPRISING THE SAME AND METHOD FOR MANUFACTURE THEREOF

Title:

BIAXIALLY ORIENTED POLYESTER FILM FOR RIBBON FOR USE IN THERMAL TRANSFER RECORDING, AND LAMINATED FILM COMPRISING THE SAME AND METHOD FOR MANUFACTURE THEREOF

Document Type and Number:

WIPO Patent Application WO/2000/015446

Kind Code:

A1

Abstract:

A biaxially oriented film comprising a polyester comprising a dicarboxylic acid component and a diol component as constituent components, characterized in that it contains 0.1 to 40 mmol % relative to the dicarboxylic acid component of a quaternary phosphonium salt of a sulfonic acid having an ester-forming functional group, the melt thereof has an a.c. volume resistivity of 6 x 10?8¿ $g(V)cm or less and has a sub-peak temperature other than the melting point thereof as measured by DSC of 225 °C to the melting point; and a laminated film comprising the above film having an easily adhering layer on at least one surface thereof and a method for manufacturing the laminated film. The biaxially oriented film can be used as a polyester film for use in thermal transfer recording.

Inventors:

WATANABE SHINYA (JP)
FURUYA KOJI (JP)
KAWAI SHINICHI (JP)
SUZUKI KENJI (JP)

Application Number:

PCT/JP1999/004953

Publication Date:

March 23, 2000

Filing Date:

September 10, 1999

Export Citation:

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Assignee:

TEIJIN LTD (JP)
WATANABE SHINYA (JP)
FURUYA KOJI (JP)
KAWAI SHINICHI (JP)
SUZUKI KENJI (JP)

International Classes:

B41M5/41; B41M5/42; (IPC1-7): B41M5/40; B29C55/12; B32B27/36

Foreign References:

JPH07149062A	1995-06-13
JPS62299526A	1987-12-26
JPH08164592A	1996-06-25
JPH0410985A	1992-01-16
JPH10146937A	1998-06-02
JPH0952457A	1997-02-25
JPS62207682A	1987-09-12

Other References: