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公开(公告)号：US20170305111A1
公开(公告)日：2017-10-26
申请号：US15523425
申请日：2015-12-09
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Takazumi OKABAYASHI , Juichi FUKATANI , Ryousuke EBINA
Abstract: The present invention aims to provide a polarizing plate with a transparent adhesive which is incorporated in a touch panel used in a personal digital assistant or the like, which is less likely to cause adhesive deposits on a punching blade during a punching process, and which is also less likely to have bubbles formed on an adhering surface of the transparent adhesive to the polarizing plate even with exposure to high temperature and high humidity. The present invention also aims to provide a touch panel incorporating the polarizing plate with a transparent adhesive. The present invention relates to a polarizing plate with a transparent adhesive, including: a polarizing plate; and a transparent adhesive containing a plasticized polyvinyl acetal resin and adhering to the polarizing plate, the polarizing plate having a contact angle with water in conformity with JIS R-3257 of less than 50° on a surface to which the transparent adhesive adheres.
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2.发明申请公开(公告)号：US20180258326A1
公开(公告)日：2018-09-13
申请号：US15764971
申请日：2016-10-06
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Juichi FUKATANI , Kiyomi UENOMACHI , Takazumi OKABAYASHI , Ryousuke EBINA , Atsushi WADA
IPC: C09J129/14 , B29C47/00 , C08F116/38 , C09J7/30
CPC classification number: C09J129/14 , B29C35/0805 , B29C48/022 , B29C48/08 , B29C2035/0827 , B29K2031/04 , B29K2105/0097 , B29K2105/24 , C08F116/38 , C08K5/0016 , C08K5/0025 , C08K5/07 , C08K5/101 , C08K5/1515 , C08L29/14 , C09J7/10 , C09J7/30 , C09J2201/61 , C09J2205/102 , C09J2205/31 , C09J2431/00 , C09J2433/00 , C09J2459/00 , C09J2463/00 , C09J2483/00
Abstract: The present invention aims to provide a polyvinyl acetal resin composition that is moldable by an extrusion method and capable of exhibiting excellent heat resistance after molding, an adhesive sheet containing the polyvinyl acetal resin composition, and a method for producing the adhesive sheet. The present invention relates to a polyvinyl acetal resin composition including: a polyvinyl acetal; a reactive diluent; and a photopolymerization initiator, the polyvinyl acetal resin composition having a storage modulus G′ at 200° C. before irradiation with light of 8×104 Pa or lower and a storage modulus G′ at 200° C. after irradiation with light of 8×103 Pa or higher, with the storage modulus G′ at 200° C. after irradiation with light being higher than the storage modulus G′ at 200° C. before irradiation with light.
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Patent Agency Ranking
公开(公告)号：US20180299980A1
公开(公告)日：2018-10-18
申请号：US15765775
申请日：2016-10-06
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Juichi FUKATANI , Kiyomi UENOMACHI , Takazumi OKABAYASHI , Ryousuke EBINA , Atsushi WADA
IPC: G06F3/041 , C09J129/14 , C09J4/06 , C09J163/00 , C09J183/00 , C09J11/06
Abstract: The present invention aims to provide an interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant and enables production of a touch panel laminate that is less likely to suffer cracks or breakage in a surface protection panel or a glass substrate. The present invention also aims to provide a touch panel laminate produced using the interlayer filling material for a touch panel. The present invention relates to an interlayer filling material for a touch panel used for filling an interlayer space between a touch panel and another component, or at least one interlayer spaces included in the touch panel between transparent conductive films, between a glass sheet and one of the transparent conductive films, between a glass sheet and another glass sheet, between a glass sheet and a polarizing film, between a substrate and a glass sheet, between a substrate and one of the transparent conductive films, and between a substrate and a polarizing film, the interlayer filling material containing: a polyvinyl acetal; and a plasticizer, the interlayer filling material having a flexural modulus at 25° C. of 2.4×109 Pa or higher.
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公开(公告)号：US20180304590A1
公开(公告)日：2018-10-25
申请号：US15765621
申请日：2016-10-06
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Juichi FUKATANI , Kiyomi UENOMACHI , Takazumi OKABAYASHI , Ryousuke EBINA , Atsushi WADA
CPC classification number: B32B17/10761 , B32B17/10 , B32B27/00 , B32B27/18 , B32B2457/208 , C09J7/00 , C09J11/06 , C09J129/14 , G06F3/041
Abstract: The present invention aims to provide an interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, is excellent in followability to steps, and enables production of a touch panel laminate that is less likely to suffer cracks or breakage in a surface protection panel or a glass substrate. The present invention also aims to provide a touch panel laminate produced using the interlayer filling material for a touch panel. The present invention relates to an interlayer filling material for a touch panel used for filling an interlayer space between a touch panel and another component, or at least one of interlayer spaces included in the touch panel between transparent conductive films, between a glass sheet and one of the transparent conductive films, between a glass sheet and another glass sheet, between a glass sheet and a polarizing film, between a substrate and a glass sheet, between a substrate and one of the transparent conductive films, and between a substrate and a polarizing film, the interlayer filling material containing: a polyvinyl acetal; and a plasticizer, the interlayer filling material having a storage modulus G′ (20° C.) at 20° C. of 1×107 Pa or higher and a storage modulus G′ (70° C.) at 70° C. of 3×106 Pa or lower.
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公开(公告)号：US20180079936A1
公开(公告)日：2018-03-22
申请号：US15568643
申请日：2016-05-26
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Juichi FUKATANI , Ryousuke EBINA , Takazumi OKABAYASHI
IPC: C09J129/14 , B32B27/30 , C09J11/06 , C09J7/00
CPC classification number: C09J129/14 , B32B17/10 , B32B17/10018 , B32B17/10605 , B32B17/10761 , B32B27/30 , B32B27/306 , B32B2307/202 , B32B2307/412 , B32B2307/42 , B32B2457/208 , C08J5/18 , C08J2329/14 , C08K5/04 , C08K5/101 , C09J7/00 , C09J11/06 , G02B1/14 , G02B5/30 , G02B5/3025 , G02F1/1333 , G06F3/041 , C08K5/09
Abstract: The present invention aims to provide an interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, which is excellent in followability to steps of a decorative printing portion or wiring upon filling of an interlayer space (lamination) and also excellent in defoaming properties to release air bubbles entrapped during filling of an interlayer space (lamination) or air bubbles left near the steps, which is less likely to be whitened and less likely to deteriorate an ITO film even under a high-temperature and high-humidity environment. The present invention also aims to provide a laminate produced using the interlayer filling material for a touch panel. The present invention relates to an interlayer filling material for a touch panel used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel, the interlayer filling material including: a polyvinyl acetal; a plasticizer; and an organic acid, the plasticizer being at least one selected from the group consisting of triethylene glycol-di-2-ethylhexanoate, tetraethylene glycol-di-2-ethylhexanoate, triethylene glycol-di-pivalate, and di-(2-butoxyethyl)adipate, the organic acid being at least one selected from the group consisting of 2-ethylhexanoic acid, adipic acid, and phthalic acid.
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公开(公告)号：US20220186091A1
公开(公告)日：2022-06-16
申请号：US17684778
申请日：2022-03-02
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Juichi FUKATANI , Ryousuke EBINA , Takazumi OKABAYASHI
IPC: C09J129/14 , C09J11/06 , B32B27/30 , G06F3/041 , G02B5/30 , C08K5/101 , C08K5/04 , B32B17/10 , C08J5/18
Abstract: An interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, which is excellent in followability to steps of a decorative printing portion or wiring upon filling of an interlayer space (lamination) and also excellent in defoaming properties to release air bubbles entrapped during filling of an interlayer space (lamination) or air bubbles left near the steps, which is less likely to be whitened and less likely to deteriorate an ITO film even under a high-temperature and high-humidity environment. The present invention also aims to provide a laminate produced using the interlayer filling material for a touch panel. The interlayer filling material includes: a polyvinyl acetal; a plasticizer; and an organic acid.
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公开(公告)号：US20180282598A1
公开(公告)日：2018-10-04
申请号：US15764983
申请日：2016-10-06
Applicant: SEKISUI CHEMICAL CO., LTD.
Inventor： Juichi FUKATANI , Kiyomi UENOMACHI , Takazumi OKABAYASHI , Ryousuke EBINA , Atsushi WADA
IPC: C09J129/14 , C09J4/06 , C09J11/06 , G06F3/041
Abstract: The present invention aims to provide an interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, is less likely to cause cracks or breakage in a surface protection panel or a glass substrate, and enables production of a touch panel laminate that is not likely to display images with color irregularity. The present invention also aims to provide a touch panel laminate produced using the interlayer filling material for a touch panel. The present invention relates to an interlayer filling material for a touch panel used for filling an interlayer space between a touch panel and another component, or at least one of interlayer spaces included in the touch panel between transparent conductive films, between a glass sheet and one of the transparent conductive films, between a glass sheet and another glass sheet, between a glass sheet and a polarizing film, between a substrate and a glass sheet, between a substrate and one of the transparent conductive films, and between a substrate and a polarizing film, the interlayer filling material containing: a polyvinyl acetal; and a plasticizer, the interlayer filling material having a residual stress Kpa (25° C., 2 min) after two minutes at 25° C. of 300 kPa or less.
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