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公开(公告)号：US20180282946A1
公开(公告)日：2018-10-04
申请号：US15764602
申请日：2016-09-29
发明人： Hayato FUSHIMI , Go BANZASHI
摘要： An object of the present invention is to provide an ultrafine fiber-containing sheet, regarding which wrinkles and/or cracks generated upon sheet formation are suppressed, and a laminate thereof. According to the present invention, provided are: a sheet comprising ultrafine fibers having an ionic substituent and an organic ion that is a counterion of the ionic substituent, wherein the content of the organic ion is 0.40 mmol/g or less; and a laminate comprising the sheet and at least one of an inorganic layer and an organic layer formed on at least one side of the sheet.
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公开(公告)号：US20210222367A1
公开(公告)日：2021-07-22
申请号：US16468389
申请日：2017-12-12
发明人： Rina TANAKA , Hayato FUSHIMI , Kazuo YAMANE
摘要： It is an object of the present invention to provide an ultrafine cellulose fiber-containing composition having favorable dispersibility even in the presence of a specific organic solvent. The present invention relates to a cellulose fiber-containing composition comprising cellulose fibers having a fiber width of 1000 nm or less, water, and alcohol, wherein the alcohol is at least one type selected from monovalent primary alcohol, monovalent secondary alcohol, and polyhydric alcohol, and the dielectric constant of the cellulose fiber-containing composition at 25° C. is 55 or more and less than 80.
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公开(公告)号：US20210122932A1
公开(公告)日：2021-04-29
申请号：US16633764
申请日：2018-07-13
发明人： Moe MIZUKAMI , Hayato FUSHIMI , Hirokazu SUNAGAWA
IPC分类号： C09D7/43 , C09D7/65 , C09D7/40 , C09D101/16 , C09D101/04
摘要： It is an object of the present invention to provide a cellulose-containing composition having excellent coating suitability, a production method thereof, and a film. According to the present invention, provided is a cellulose-containing composition comprising cellulose fibers having a fiber width of 1000 nm or less and protein, wherein the protein includes an enzyme, the content of the protein is 1×10−3 parts by mass or less with respect to 1 part by mass of the cellulose fibers, and when the cellulose-containing composition having a solid concentration of 0.4% by mass is obtained, the viscosity of the cellulose-containing composition measured under conditions of 25° C. and a rotation number of 3 rpm is 10 mPa·s or more and 11000 mPa·s or less.
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公开(公告)号：US20240300224A1
公开(公告)日：2024-09-12
申请号：US18269098
申请日：2021-12-24
发明人： Hayato FUSHIMI
CPC分类号： B32B27/10 , B32B7/12 , B32B27/308 , B32B27/365 , B32B37/12 , B32B2250/40 , B32B2255/12 , B32B2255/26 , B32B2260/028 , B32B2260/046 , B32B2270/00 , B32B2307/31 , B32B2307/414 , B32B2307/54 , B32B2307/702 , B32B2307/718 , B32B2307/7376 , B32B2317/12 , B32B2369/00
摘要： It is an object of the present invention to provide a laminate having both a high elastic modulus and a low linear thermal expansion coefficient, and also having excellent design and durability. The present invention relates to a laminate having a fiber layer comprising cellulose fibers with a fiber width of 1000 nm or less, an adhesive layer, and a resin layer in this order, wherein the resin layer comprises an amorphous resin, and the adhesive layer comprises a polymer, and the glass transition temperature of the polymer is lower than 170° C.
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5.发明申请公开(公告)号：US20220002442A1
公开(公告)日：2022-01-06
申请号：US17285725
申请日：2019-10-16
发明人： Akihiro TANAKA , Hayato FUSHIMI
摘要： An object of the present invention is to provide ultrafine fibrous cellulose capable of exhibiting excellent coating suitability when added to paint. The present invention relates to fibrous cellulose having a fiber width of 1,000 nm or less, in which, when the fibrous cellulose is dispersed in water to form a dispersion liquid having a viscosity of 2,500 mPa·s at 23° C., and the dispersion liquid is stirred under predetermined stirring conditions, a viscosity change rate falls within ±50%, calculated by the following formula: viscosity change rate (%)=(viscosity after stirring−viscosity before stirring)/viscosity before stirring×100
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公开(公告)号：US20210009771A1
公开(公告)日：2021-01-14
申请号：US16955534
申请日：2018-12-18
发明人： Koh SAKAI , Hayato FUSHIMI
摘要： It is an object of the present invention to provide an ultrafine cellulose fiber-containing sheet that is excellent in terms of weather resistance. The present invention relates to a sheet comprising cellulose fibers having a fiber width of 1000 nm or less, wherein the cellulose fibers have anionic functional groups, and the YI increase percentage calculated according to the following equation is 1500% or less. YI increase percentage (%)=(yellowness of the sheet after heating−yellowness of the sheet before heating)/yellowness of the sheet before heating×100, wherein the yellowness of the sheet after heating is a yellowness measured in accordance with JIS K 7373, after the sheet is subjected to hot pressing at 180° C. at 0.5 MPa for 1 minute, whereas the yellowness of the sheet before heating is a yellowness measured in accordance with JIS K 7373, before the sheet is subjected to the hot pressing.
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7.发明公开公开(公告)号：US20230203755A1
公开(公告)日：2023-06-29
申请号：US17999308
申请日：2021-05-19
CPC分类号： D21H11/20 , B32B27/12 , B32B5/02 , B32B7/12 , D21H21/26 , B32B2307/412 , B32B2305/22 , B32B2262/062
摘要： It is an object of the present invention to provide fine fibrous cellulose capable of enhancing transparency and suppressing coloring, when the fine fibrous cellulose are processed into a dispersed solution or a sheet. The present invention relates to fine fibrous cellulose, in which the amount of substituents introduced is less than 0.5 mmol/g and the fiber width is 1 to 10 nm. Moreover, the present invention relates to a dispersed solution and a sheet, each of which comprises fine fibrous cellulose. Furthermore, the present invention relates to a method for producing fine fibrous cellulose, comprising: (A) removing at least a part of substituents from fine fibrous cellulose with a fiber width of 1000 nm or less having the substituents, and (B) performing a uniform dispersion treatment on the resulting fine fibrous cellulose after completion of the (A).
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公开(公告)号：US20210395494A1
公开(公告)日：2021-12-23
申请号：US17287402
申请日：2019-10-25
发明人： Moe MIZUKAMI , Hayato FUSHIMI , Hirokazu SUNAGAWA
摘要： Provided are a fine fibrous cellulose-containing composition, and a method for manufacturing the same, which are capable of reducing the viscosity of a fine fibrous cellulose dispersion liquid without changing the concentration of fine fibrous cellulose. The fine fibrous cellulose-containing composition contains fine fibrous cellulose having a fiber width of 1,000 nm or less, an enzyme-derived protein, and a protease or a chlorine-containing oxo acid or a salt thereof.
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公开(公告)号：US20200332143A1
公开(公告)日：2020-10-22
申请号：US16643064
申请日：2017-08-29
发明人： Emi AIZAWA , Hiroki YAMAMOTO , Rina TANAKA , Hayato FUSHIMI , Kazuo YAMANE
IPC分类号： C09D101/02
摘要： It is an object of the present invention to provide a cellulose fiber-containing composition and a cellulose fiber-containing paint, the particles (aggregates) of which are suppressed in coated products. According to the present invention, provided is a cellulose fiber-containing composition comprising cellulose fibers having a fiber width of 1000 nm or less and water, wherein the image clarity (comb width: 0.125 mm) of a coating film obtained from the following conditions is 55% or more:(Conditions)the cellulose fiber-containing composition, an acrylic resin in an amount of 156 parts by weight based on 1 part by weight of the cellulose fibers, and isocyanate in an amount of 44 parts by weight based on 1 part by weight of the cellulose fibers, are mixed with one another to obtain a coating solution, which is then applied onto a smooth polyethylene terephthalate plate to a thickness of 30 μm, using an applicator, and immediately after the application of the coating solution, it is dried at 80° C. for 30 minutes.
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公开(公告)号：US20180347117A1
公开(公告)日：2018-12-06
申请号：US15771501
申请日：2016-10-25
发明人： Hayato FUSHIMI , Hirokazu SUNAGAWA , Go BANZASHI
摘要： An object of the present invention is to provide an ultrafine cellulose fiber-containing sheet, in which generation of warp (curl) is suppressed. The present invention relates to a laminated sheet having two or more layers of sheet comprising ultrafine cellulose fibers with a fiber width of 1000 nm or less, wherein among two or more layers of the sheet, when the thickness (μm) of the thickest sheet is defined as Tmax and the thickness (μm) of the thinnest sheet is defined as Tmin, the value of Tmax/Tmin is 3 or less, and the thickness of a single layer of the sheet is 15 μm or more.
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