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    LAMINATED FILM
    13.
    发明专利
    LAMINATED FILM 失效

    公开(公告)号：JP2001347625A

    公开(公告)日：2001-12-18

    申请号：JP2001078265

    申请日：2001-03-19

    Applicant: TORAY INDUSTRIES

    Inventor： MAEKAWA SHIGETOSHI ,  TSUNEKAWA TETSUYA ,  HOSOKAWA HIROBUMI

    IPC: B32B27/36 ,  B29C55/02 ,  C08G63/60 ,  C08J5/18

    Abstract: PROBLEM TO BE SOLVED: To provide a laminated film excellent in productivity while holding high Young's modulus and a low heat shrinkage factor. SOLUTION: The laminated film has laminated constitution consisting of at least two layers and consists of a layer comprising liquid crystal polyester obtained by copolymerizing structural units represented by formulae (I), (II), (III) and (IV) [wherein, R1 and R2 are each at least one group selected groups (V), (VI) (wherein, X is a hydrogen atom or a chlorine atom)] and the layer comprising non-liquid crystalline polyester adjacent thereto.

    GLASS PROTECTING FILM
    14.
    发明专利
    GLASS PROTECTING FILM 审中-公开

    公开(公告)号：JP2003236995A

    公开(公告)日：2003-08-26

    申请号：JP2002352282

    申请日：2002-12-04

    Applicant: TORAY INDUSTRIES

    Inventor： MAEKAWA SHIGETOSHI ,  OSADA SHUNICHI ,  SONODA KAZUE

    IPC: B32B27/08 ,  B32B17/10 ,  H01J29/87

    Abstract: PROBLEM TO BE SOLVED: To provide a glass protecting film suitable for glass protecting applications, especially for the protection of display glass of a flat display, etc. SOLUTION: The glass protecting film has a multi-layer structure of at least two thermoplastic resin layers 3% or below in haze and 40°C or below in difference in glass transition temperatures. The impact strength of the film is 8-40 J. COPYRIGHT: (C)2003,JPO

    BIAXIALLY ORIENTED LAMINATED THERMOPLASTIC RESIN FILM
    15.
    发明专利
    BIAXIALLY ORIENTED LAMINATED THERMOPLASTIC RESIN FILM 失效

    公开(公告)号：JP2002225198A

    公开(公告)日：2002-08-14

    申请号：JP2001023384

    申请日：2001-01-31

    Applicant: TORAY INDUSTRIES

    Inventor： NAKAMORI YUKARI ,  TSUNEKAWA TETSUYA ,  MAEKAWA SHIGETOSHI

    IPC: B32B27/20 ,  B29C55/12

    Abstract: PROBLEM TO BE SOLVED: To provide a film which is excellent in mechanical strength, running property, and thermal dimensional stability accompanying the thinning of a high density magnetic recording tape, in particular a magnetic tape for computer. SOLUTION: At least one layer (A layer) comprises a thermoplastic resin (A) and a disc-form inert particle (PA) as the major components. Then, at least on one surface of the layer A, layer B of which the major component is a thermoplastic resin (B) is laminated for this biaxial orientation laminated thermoplastic resin film which has a laminated structure with at least two layers. In this case, the aspect ratio (an average particulate diameter D in the disc plane direction/an average thickness dt of the particle in the direction being vertical to the disc plane) of the disc-form inert particle (PA) is 3 to 100. Also, the content of the disc-form inert particle is 1 to 80 wt.%.

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