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1. (WO1991007279) LAMINATED POLYESTER FILM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/007279 International Application No.: PCT/JP1990/001478
Publication Date: 30.05.1991 International Filing Date: 14.11.1990
IPC:
B41M 5/41 (2006.01) ,B41N 1/24 (2006.01) ,C08J 7/04 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
M
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
5
Duplicating or marking methods; Sheet materials for use therein
26
Thermography
40
characterised by the base, intermediate or covering layers; Heat, radiation filtering or absorbing means or layers; combined with layers or compositions suitable for other methods of image registration; Special originals for reproduction by thermography
41
Base layers
B PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
N
PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE OR CONSERVING THEM
1
Printing plates or foils; Materials therefor
24
Stencils; Stencil materials; Carriers therefor
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
7
Chemical treatment or coating of shaped articles made of macromolecular substances
04
Coating
Applicants:
TORAY INDUSTRIES, INC. [JP/JP]; 2-1, Nihonbashimuromachi 2-chome Chuo-ku Tokyo 103, JP (AllExceptUS)
MIMURA, Takashi [JP/JP]; JP (UsOnly)
AOKI, Seizo [JP/JP]; JP (UsOnly)
MATSUURA, Kazuo [JP/JP]; JP (UsOnly)
TSUNASHIMA, Kenji [JP/JP]; JP (UsOnly)
Inventors:
MIMURA, Takashi; JP
AOKI, Seizo; JP
MATSUURA, Kazuo; JP
TSUNASHIMA, Kenji; JP
Agent:
TANIGAWA, Hidejiro; Tanigawa and Associates 6F, Iwata Building 5-12, Iidabashi 4-chome Chiyoda-ku Tokyo 102, JP
Priority Data:
1/29555314.11.1989JP
2/17330428.06.1990JP
2/17330528.06.1990JP
Title (EN) LAMINATED POLYESTER FILM
(FR) FILM POLYESTER STRATIFIE
Abstract:
(EN) This invention discloses a film suitable as a base material for a thermal transfer material and for thermal stencil paper. The laminated film of the present invention is a laminated film having a laminate film consisting of a wax composition as its principal component on at least one of the surfaces of a polyester film and this laminate film is characterized in that it has at least 20 pcs/100 $g(m)m2 of protruberances having a longitudinal length/transverse length ratio of at least 3 on its surface. When used as a base material for a thermal transfer material or for a thermal stencil paper, the film of the invention provides good travelling performance, hardly causes head wear and head contamination, does not repel ink at the time of ink application and is excellent in ink adhesion, clearness of setting, sticking resistance, punching ability and printing clearness.
(FR) Film indiqué comme matériau de base pour supports de transfert thermique et pour papier stencil thermique. Le film stratifié ci-décrit se compose principalement d'une couche de cire déposée sur au moins l'une des surfaces d'un film polyester et se caractérise en ce qu'il présente en surface au moins 20 pcs/100 $g(m)m2 de protubérances possédant un rapport longueur longitudinale/longueur transversale non inférieur à 3. Utilisé comme matériau de base pour supports de transfert thermique ou pour papier stencil thermique, ce film présente de bonnes caractéristiques de défilement, ne provoque pratiquement pas d'usure ou d'encrassement des têtes, ne repousse pas l'encre lors de l'application de cette dernière et présente d'excellentes caractéristiques d'adhérence de l'encre, de netteté d'impression, de résistance au collage et d'aptitude au gaufrage.
Designated States: CA, KR, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
EP0453579CA2045531KR1019920700910