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公开(公告)号：JPH07329235A
公开(公告)日：1995-12-19
申请号：JP12628094
申请日：1994-06-08
Applicant: TORAY INDUSTRIES
Inventor： NAGAI ITSUO , TANAKA YOSHIO , ASAKURA MASAYOSHI
Abstract: PURPOSE:To provide a metal oxide laminated polypropylene composite film excellent in oxygen barrier properties and steam barrier properties. CONSTITUTION:A metal oxide laminated polypropylene composite film is obtained by providing a resin layer of syndiotactic polypropylene or a mixed resin layer of syndiotactic polypropylene and isotactic polypropylene on at least the single surface of a base layer based on polypropylene and laminating a metal oxide layer to the surface of the resin layer.
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公开(公告)号：JPH07233463A
公开(公告)日：1995-09-05
申请号：JP2694894
申请日：1994-02-24
Applicant: TORAY INDUSTRIES
Inventor： NAGAI ITSUO , TANAKA YOSHIO , UEDA TOMOAKI
Abstract: PURPOSE:To stably produce a metal oxide vapor-deposited film capable of excellently barriering a gas by treating the surface of a plastic film substrate with low-temp. plasma at a specified intensity and continuously providing a metal oxide vapor-deposited film on the treated surface. CONSTITUTION:The surface of a plastic film 5 such as a biaxial oriented PP film is treated with low-temp. plasma at the intensity of >=10W.min/m in a vacuum vessel 1. The treatment is preferably conducted in the atmosphere of a low-temp. plasma treating gas 10 such as CO2 at 5X10 -3X10 Torr in a DC glow discharge by using a magnetron electrode 8 arranged in an electrode cover 13. A metal 7 such as Al is successively vaporized from a vaporizer 6 by resistance heating, etc., in the atmosphere of a reactive vapor-deposition oxygen-contg. gas 12 to deposit the vapor-deposited film of a metaloxide such as Al2O3 having 5-10nm thickness on the treated surface. Consequently, a transparent metal oxide vapor-deposited film capable of excellently barriering water vapor and oxygen is stably obtained at a low cost.
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公开(公告)号：JPH07233462A
公开(公告)日：1995-09-05
申请号：JP2694994
申请日：1994-02-24
Applicant: TORAY INDUSTRIES
Inventor： TANAKA YOSHIO , NAGAI ITSUO , UEDA TOMOAKI
Abstract: PURPOSE:To stably and inexpensively produce a metal vapor-deposited film capable of excellently barriering a gas such as oxygen and water vapor by treating the surface of a plastic film substrate with low-temp. plasma by using a Ti-coated magnetron electrode and continuously vapor-depositing a metal on the surface. CONSTITUTION:The surface of a substrate 5 consisting of a plastic film of PP, etc., is heated by the use of an magnetron electrode 8 coated with &metal such as Ti, Pd and Al in a vacuum vessel 1 and treated with low-temp. plasma on a cooling drum 3. In this case, the electrode 8 is arranged in an electrode cover 9, and CO2 is preferably supplied into the cover from a gas cylinder 11. The treatment is conducted at pascal and at the intensity of >=10 W.min/m . A metal such as Al is successively vapor-deposited on the treated surface of the substrate 5 from the crucible 7 of a vaporization source 6 to form a metal vapor-deposited film having about 10-200nm thickness.
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公开(公告)号：JPH0437560B2
公开(公告)日：1992-06-19
申请号：JP21573587
申请日：1987-08-28
Applicant: TORAY INDUSTRIES
Inventor： HAYASHI KENJI , TANAKA YOSHIO
IPC: H05B33/04
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公开(公告)号：JPS62222518A
公开(公告)日：1987-09-30
申请号：JP6424186
申请日：1986-03-24
Applicant: TORAY INDUSTRIES
Inventor： HAMAGUCHI MASASHI , HAYASHI KENJI , TANAKA YOSHIO
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Patent Agency Ranking
公开(公告)号：JPS60109481A
公开(公告)日：1985-06-14
申请号：JP21413983
申请日：1983-11-16
Applicant: TORAY INDUSTRIES
Inventor： OOTAKI TOSHIHIRO , TANAKA YOSHIO , TAKEWAKA MIKI
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公开(公告)号：JP2003262723A
公开(公告)日：2003-09-19
申请号：JP2002063788
申请日：2002-03-08
Applicant: TORAY INDUSTRIES
Inventor： NAKAJIMA YUICHI , TSUNASHIMA KENJI , TANAKA YOSHIO
IPC: G02B5/30 , G02F1/1335
Abstract: PROBLEM TO BE SOLVED: To provide a polarizing plate having a protective sheet for a polarizer excellent in mechanical characteristics and environmental characteristics without altering the characteristics of a PVA polarizer for a long time. SOLUTION: In the polarizing plate having a protective sheet A applied on both faces of a polarizer P, the protective sheet A comprises a noncrystalline thermoplastic polymer base layer B and an urethane adhesive layer C and a high water absorbing layer D on the base layer to form a B/C/D layer structure, and the high water absorbing layer D of the protective sheet A is adhered to the polarizer P. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2003242685A
公开(公告)日：2003-08-29
申请号：JP2002041306
申请日：2002-02-19
Applicant: TORAY INDUSTRIES
Inventor： TSUNASHIMA KENJI , TANAKA YOSHIO , HARADA YUTAKA
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk protective film (sheet) which eliminates the problems of the production of foreign matter and mouthpiece stripes, and the occurrence of thickness unevenness, has the decreased problems of the occurrence of reading and recording errors, is hardly deteriorated by UV rays, has excellent adhesiveness to disks, does not change properties, such as optical recording and reproducing characteristics, for long time and is excellent in terms of mechanical characteristics, environmental suitability, etc. SOLUTION: The optical disk protective film is characterized in that the surface specific resistance value of at least one surface is ≤10 11 Ω/square at 25°C and 65RH% and the surface hardness of the surface is ≥3 H in pencil hardness. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2003240953A
公开(公告)日：2003-08-27
申请号：JP2002039745
申请日：2002-02-18
Applicant: TORAY INDUSTRIES
Inventor： TSUNASHIMA KENJI , TANAKA YOSHIO , NAKAJIMA YUICHI
IPC: G02B5/30 , G02F1/1335
Abstract: PROBLEM TO BE SOLVED: To provide a polarizing plate having high adhesion strength with a PVA polarizer P, showing stable polarizing characteristics even when left to stand for a long time in a high temperature and high humidity environment, manufactured in a simplified production line at a low production cost. SOLUTION: The polarizing plate is obtained by laminating an optically isotropic polymer resin layer A on which a polymer protective layer B is applied and a polarizer sheet P with an adhesive layer C to form a structure of BACPCAB. The optically isotropic polymer resin layer A and the polymer protective layer B are directly laminated by melt co-extrusion molding and are easily peeled from each other. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2002040214A
公开(公告)日：2002-02-06
申请号：JP2000223433
申请日：2000-07-25
Applicant: TORAY INDUSTRIES
Inventor： MIMURA TAKASHI , TANAKA YOSHIO , OWATARI HISASHI
Abstract: PROBLEM TO BE SOLVED: To provide a member for surface light source reflection excellent in initial reflective characteristics, small in reduction with lapse of time of reflectance and luminance in long time usage and capable of maintaining high quality image for a long term. SOLUTION: A white film for surface light source reflection plate is characterized in that a coating layer containing a substance having UV absorbing ability and a fluorescent whitening agent is provided on at least one surface of a white film having bubbles in its internal part.
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