Patents by Inventor Shinji MAETANI
Shinji MAETANI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230357285Abstract: Provided is a silane coupling agent with a low viscosity, excellent applicability, and excellent effect of improving adhesion between inorganic matter and organic matter. The silane coupling agent of the present disclosure contains a silicon compound below and water, having a concentration of the silicon compound of from 0.01 to 10 wt.%, the silicon compound: containing a compound (I) represented by Formula (1) and a polycondensate of the compound (I), wherein a ratio of contents of the compound (I) to a compound (II), [compound (I)/compound (II); weight ratio], the compound (II) being a polycondensate of the compound (I) and having a weight average molecular weight of from 200 to 10000 calibrated with a polystyrene standard, is from 1/99 to 95/5.Type: ApplicationFiled: August 5, 2021Publication date: November 9, 2023Applicant: DAICEL CORPORATIONInventors: Naoko TSUJI, Shinji MAETANI
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Publication number: 20230242765Abstract: Provided is a polyorganosilsesquioxane that is suitable as a material for a hard coat film or an adhesive, the polyorganosilsesquioxane being capable of forming a cured product having a high surface hardness and flexibility while having a high heat resistance or the like. The polyorganosilsesquioxane contains a cage-type silsesquioxane represented by Compositional Formula (1). When the polyorganosilsesquioxane is analyzed using a liquid chromatography-evaporative light scattering detector, a peak area % of the cage-type silsesquioxane represented by Compositional Formula (1) is 5% or greater with respect to a peak area of all components detected.Type: ApplicationFiled: August 19, 2021Publication date: August 3, 2023Applicant: DAICEL CORPORATIONInventors: Nobuhiro KAWAHARA, Tomoko ADACHI, Akihiro SHIBAMOTO, Shinji MAETANI
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Publication number: 20230204307Abstract: A partitioning member for a total heat exchange element includes a sheet shaped porous base, a moisture permeable membrane provided on the porous base, and a functional material. The functional material produces at least one of an antifungal effect, an antibacterial effect, and an antiviral effect. The moisture permeable membrane contains the functional material. Alternatively, a partitioning member for a total heat exchange element includes a functional membrane containing a functional material producing at least one of an antifungal effect, an antibacterial effect, and an antiviral effect, with the functional material covering a surface of the porous base or the moisture permeable membrane.Type: ApplicationFiled: February 28, 2023Publication date: June 29, 2023Inventors: Takema NAKAZAWA, Masaya KASAI, Naotaka NISHIO, Shinji MAETANI
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Publication number: 20230129711Abstract: The present disclosure provides a laminate having low air permeability and excellent moisture permeability, a partition member for total heat exchange element composed of the laminate, a total heat exchange element provided with a plurality of the partition members for total heat exchange element, and a ventilation device provided with the total heat exchange element. The laminate of the present disclosure is provided with a porous substrate and a moisture-permeable membrane disposed on one side of the porous substrate, the moisture-permeable membrane being provided with a porous substrate and a moisture-permeable membrane disposed on at least one side of the porous substrate, and the moisture-permeable membrane being formed of a thermoplastic copolymer having a side chain containing a hydrophilic group which is a functional group.Type: ApplicationFiled: March 23, 2021Publication date: April 27, 2023Applicants: DAICEL CORPORATION, DAIKIN INDUSTRIES, LTD.Inventors: Naotaka NISHIO, Shinji MAETANI, Takahiro SAKAKIBARA, Ryosuke IEKI, Takema NAKAZAWA, Masaya KASAI, Takahisa SUEOKA
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Patent number: 11560453Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.Type: GrantFiled: August 4, 2021Date of Patent: January 24, 2023Assignee: DAICEL CORPORATIONInventors: Akihiro Kuwana, Nobuhiko Harada, Maya Masui, Ichiro Takase, Shinji Maetani, Naoko Tsuji
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Publication number: 20220002494Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.Type: ApplicationFiled: August 4, 2021Publication date: January 6, 2022Applicant: DAICEL CORPORATIONInventors: Akihiro KUWANA, Nobuhiko HARADA, Maya MASUI, Ichiro TAKASE, Shinji MAETANI, Naoko TSUJI
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Patent number: 11111337Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.Type: GrantFiled: June 5, 2018Date of Patent: September 7, 2021Assignee: DAICEL CORPORATIONInventors: Akihiro Kuwana, Nobuhiko Harada, Maya Masui, Ichiro Takase, Shinji Maetani, Naoko Tsuji
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Publication number: 20200079910Abstract: An object of the present invention is to provide a polyorganosilsesquioxane that can form a hard coat layer having high surface hardness through in-mold injection molding and can form a tack-free coating film, and thus is suitable as a material for a hard coat layer of a transfer film that can be wound as a roll.Type: ApplicationFiled: May 16, 2018Publication date: March 12, 2020Applicant: DAICEL CORPORATIONInventors: Akihiro SHIBAMOTO, Shinji MAETANI, Kazuhiro NISHIDA, Daisuke USA
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Publication number: 20200071579Abstract: Provided is an adhesive composition that can be cured at low temperatures and can form a cured product having excellent insulating property, heat resistance, and adhesiveness. The adhesive composition according to the present invention includes polyorganosilsesquioxane (A) including a constituent unit represented by Formula (1) below, R1SiO3/2(1), in Formula (1), R1 represents a group containing a radically polymerizable group. In the polyorganosilsesquioxane (A), a proportion of the constituent unit represented by Formula (1) and a constituent unit represented by the following Formula (2), relative to a total amount (100 mol %) of siloxane constituent units, is from 55 to 100 mol %, R1SiO2/2(OR2) (2), in Formula (2), R1 is as defined above, and R2 is a hydrogen atom or an alkyl group having from 1 to 4 carbons. The polyorganosilsesquioxane (A) has a number average molecular weight from 1500 to 50000 and a molecular weight dispersity (weight average molecular weight/number average molecular weight) from 1.Type: ApplicationFiled: May 16, 2018Publication date: March 5, 2020Applicant: DAICEL CORPORATIONInventors: Akihiro SHIBAMOTO, Shinji MAETANI, Kazuhiro NISHIDA, Daisuke USA, Akira YAMAKAWA, Naoko TSUJI
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Publication number: 20180282485Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.Type: ApplicationFiled: June 5, 2018Publication date: October 4, 2018Applicant: DAICEL CORPORATIONInventors: Akihiro KUWANA, Nobuhiko HARADA, Maya MASUI, Ichiro TAKASE, Shinji MAETANI, Naoko TSUJI
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Publication number: 20160297933Abstract: Provided is a polyorganosilsesquioxane capable of forming, when cured, a cured product that offers high surface hardness and good heat resistance, is highly flexible, and has excellent processability. The present invention relates to a polyorganosilsesquioxane including a constitutional unit represented by Formula (1). The polyorganosilsesquioxane includes a constitutional unit represented by Formula (I) and a constitutional unit represented by Formula (II) in a mole ratio of the constitutional unit represented by Formula (I) to the constitutional unit represented by Formula (II) of 5 or more. The polyorganosilsesquioxane has a total proportion of the constitutional unit represented by Formula (1) and a constitutional unit represented by Formula (4) of 55% to 100% by mole based on the total amount (100% by mole) of all siloxane constitutional units.Type: ApplicationFiled: November 14, 2014Publication date: October 13, 2016Applicant: DAICEL CORPORATIONInventors: Akihiro KUWANA, Nobuhiko HARADA, Maya MASUI, Ichiro TAKASE, Shinji MAETANI, Naoko TSUJI