Biaxially oriented, polyethylene-2, 6-naphthalate film and magne

Details Biaxially oriented, polyethylene-2, 6-naphthalate film and magne Biaxially oriented, polyethylene-2, 6-naphthalate film and magne

1997-02-03

1999-09-28

Chen, Vivian

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428323, 428327, 428331, 428338, 428339, 428480, 428694SG, 428910, B32B 2706, B32B 2718, B32B 2736

Patent

active

059585536

ABSTRACT:
A biaxially oriented polyethylene-2,6-naphthalate film suitable for producing magnetic recording media wherein the film has a Young's modulus of at least 550 kg/mm.sup.2 in the longitudinal direction and a Young's modulus of at least 800 kg/mm.sup.2 in the transverse direction with the Young's modulus in the transverse direction being greater than the Young's modulus in the longitudinal direction by more than 200 kg/mm.sup.2 ; a surface roughness Ra of 1-12 nm; and low heat shrinkage. The film also contains 0.005-2% by weight inorganic or organic fine particles.

REFERENCES:
patent: 4316927 (1982-02-01), Kimura et al.
patent: 4833019 (1989-05-01), Suwarnasarn
patent: 5051292 (1991-09-01), Katoh et al.
patent: 5431982 (1995-07-01), Nishiyama et al.
patent: 5431983 (1995-07-01), Etchu et al.
patent: 5618609 (1997-04-01), Chujo et al.
patent: 5665454 (1997-09-01), Hosoi et al.
Database WPI Week 7647, Derwent Publications Ltd., London GB; AN 76-87405X & JP-A-50 081 325 (Teijin) Jul. 2, 1975.

Affiliated with

Also associated with

Rating

Biaxially oriented, polyethylene-2, 6-naphthalate film and magne does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Biaxially oriented, polyethylene-2, 6-naphthalate film and magne, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Biaxially oriented, polyethylene-2, 6-naphthalate film and magne will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-700987