LAMINATED FILM FOR OPTICAL USE - TEIJIN DUPONT FILMS JAPAN LTD

Title:

LAMINATED FILM FOR OPTICAL USE

Document Type and Number:

WIPO Patent Application WO/2003/093008

Kind Code:

A1

Abstract:

A laminated film for optical use having a polyester film and, formed on at least one surface thereof, a sliding layer containing spherical particles and having an unevenness of thickness of 0.5 to 7.0 %, wherein fine particles resulting from a catalyst are present in the polyester film, and the amount of fine particle as measured by the dark field microscope method satisfies the following requirements: 200 to 20,000 pieces/mm² of fine particles having a particle diameter of 1 to 10 μm, and 10 pieces/mm² or less of fine particles having a particle diameter of 10 μm or greater. The laminated film for optical use is excellent in the uniformity, transparency, the easiness in sliding, color tone and the resistance to marring, is reduced in the precipitation of low molecular weight products, and is excellent in the adhesiveness with layers used for various optical applications.

Inventors:

YANO SHINJI (JP)
KUBO KOUJI (JP)
HANDA MAKOTO (JP)
ICHIHASHI TETSUO (JP)
MIZUTANI KEI (JP)
WATANABE SHIGEYUKI (JP)

Application Number:

PCT/JP2003/005361

Publication Date:

November 13, 2003

Filing Date:

April 25, 2003

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TEIJIN DUPONT FILMS JAPAN LTD (JP)
YANO SHINJI (JP)
KUBO KOUJI (JP)
HANDA MAKOTO (JP)
ICHIHASHI TETSUO (JP)
MIZUTANI KEI (JP)
WATANABE SHIGEYUKI (JP)

International Classes:

B32B17/10; B32B27/06; B32B27/20; B32B27/30; B32B27/36; C08J7/043; C08J7/046; C08L67/02; G02B5/02; C08K3/22; C08K3/36; C08K7/16; C08L33/06; C08L33/08; C08L91/06; (IPC1-7): B32B27/36; C08J7/04

Foreign References:

JP2002080621A	2002-03-19
JPH10272678A	1998-10-13
JP2001138463A	2001-05-22
JPH11286092A	1999-10-19
JP2003119305A	2003-04-23

Other References: