Laminated polyester film and magnetic recording medium using it

Details Laminated polyester film and magnetic recording medium using it Laminated polyester film and magnetic recording medium using it

1993-04-20

1995-07-11

Thibodeau, Paul J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428213, 428216, 428332, 428337, 428694ST, 428694SL, B32B 2706, B32B 2708, B32B 2736, G11B 5704

Patent

active

054319765

ABSTRACT:
A laminated polyester film for use in a magnetic recording medium, which comprises (A) a first layer of a first polyester which contains at least 95 mol %, based on the total content of its dicarboxylic acid components, of a 2,6-naphthalenedicarboxylic acid component and whose main recurring unit is composed of ethylene-2,6-naphthalenedicarboxylate, and (B) a second layer of a second polyester containing 93 to 99 mol %, based on the total content of its recurring units, of an ethylene-2,6-naphthalenedicarboxylate recurring unit. The second layer is laminated on at least one surface of two surfaces of the above first layer.

REFERENCES:
patent: 3875119 (1975-04-01), Aoki et al.
patent: 4606976 (1986-08-01), Hensel et al.
patent: 4804736 (1989-02-01), Utsumi et al.
patent: 4876137 (1989-10-01), Utsumi et al.
patent: 5051292 (1991-09-01), Katoh et al.
patent: 5069962 (1991-12-01), Okazaki et al.

Affiliated with

Also associated with

Rating

Laminated polyester film and magnetic recording medium using it does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Laminated polyester film and magnetic recording medium using it , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laminated polyester film and magnetic recording medium using it will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-502149