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Patent Searching and Data


Title:
LAMINATE FILM
Document Type and Number:
WIPO Patent Application WO/2007/007882
Kind Code:
A1
Abstract:
Disclosed is a white laminate film which shows a practically satisfactory refractive property in the visible light range, can be formed stably, is reduced in UV-ray-induced deterioration (yellow discoloration), has a reduced thermal deformation, and can be used suitably as a base material for a light-reflecting panel for use in a liquid crystal display or an internally illuminating electric signboard. A laminate film comprising: a first layer which is made of a composition comprising 31 to 60% by weight of inactive particles having an average particle diameter of 0.3 to 3.0 μm and 40 to 69% by weight of a polyester, the polyester comprising 1 to 100% by mole of naphthalenedicarboxylic acid and 0 to 99% by mole of terephthalic acid as the dicarboxylic acid components and ethylene glycol as the diol component; and a layer B which is provided with being contacted with the first layer and which is made of a composition comprising 0 to 30% by weight of inactive particles having an average particle diameter of 0.3 to 3.0 μm and 70 to 100% by weight of a polyester, the polyester comprising 3 to 20% by mole of naphthalenedicarboxylic acid and 80 to 97% by mole of terephthalic acid as the dicarboxylic acid components and ethylene glycol as the diol component.

Inventors:
KUSUME HIROSHI (JP)
OYAMATSU ATSUSHI (JP)
Application Number:
PCT/JP2006/314113
Publication Date:
January 18, 2007
Filing Date:
July 10, 2006
Export Citation:
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Assignee:
TEIJIN DUPONT FILMS JAPAN LTD (JP)
KUSUME HIROSHI (JP)
OYAMATSU ATSUSHI (JP)
International Classes:
B32B27/36; B32B27/20; C08K3/00; C08L67/02; G02B5/02; G02B5/08; G02F1/13357; G09F13/14
Domestic Patent References:
WO2005026241A12005-03-24
Foreign References:
JP2001247696A2001-09-11
JP2004269601A2004-09-30
JPS6362104A1988-03-18
JPH0816175B21996-02-21
JP2001226501A2001-08-21
JP2002090515A2002-03-27
Other References:
See also references of EP 1908587A4
Attorney, Agent or Firm:
OHSHIMA, Masataka (BN Gyoen Building 17-11, Shinjuku 1-chom, Shinjuku-ku Tokyo, JP)
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