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公开(公告)号：US11511473B2
公开(公告)日：2022-11-29
申请号：US16490205
申请日：2018-02-28
发明人： Shota Hayakawa , Yukihiro Numata , Katsuya Ito , Jun Inagaki , Toshiyuki Shimizu , Shoichi Gyobu , Chikao Morishige , Jesper Gabriel Van Berkel
IPC分类号： B29C48/305 , B29C48/08 , B29C48/00 , B29C55/12 , B29C71/02 , B29C71/00 , B29C48/885 , B29K67/00
摘要： It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×107 Ω·cm or less.
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公开(公告)号：US10941244B2
公开(公告)日：2021-03-09
申请号：US16089693
申请日：2017-03-07
摘要： It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ΔP of not less than 0.005 and not more than 0.200, a thickness of not less than 1 μm and not more than 300 μm, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.
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公开(公告)号：US11325363B2
公开(公告)日：2022-05-10
申请号：US16490307
申请日：2018-02-28
IPC分类号： B32B27/36 , B32B27/08 , C08G63/137 , C08L67/02 , C08G63/12 , C08G63/16 , C08G63/18 , C08G63/127 , C08G63/123 , C08J7/052
摘要： An object is to provide a laminate having excellent lamination strength that includes a polyester film having a furandicarboxylate unit and a heat-sealable resin layer, and to provide a packaging bag including the same. A laminate including a polyester film and a heat-sealable resin layer, wherein the polyester film is a biaxially oriented polyester film containing a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol, a plane orientation coefficient ΔP of the film is 0.100 or more and 0.160 or less, a thickness of the film is 1 μm or more and 300 μm or less, a heat shrinkage rate of the film is 10% or less when heated at 150° C. for 30 minutes, and lamination strength of the laminate is 2.0 N/15 mm or more.
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公开(公告)号：US10407555B2
公开(公告)日：2019-09-10
申请号：US15756909
申请日：2016-08-31
申请人： TOYOBO CO., LTD. , SYNVINA C.V.
发明人： Jun Inagaki , Katsuya Ito , Toshiyuki Shimizu , Shoichi Gyobu , Chikao Morishige , Jesper Gabriel Van Berkel
摘要： To provide a furandicarboxylate unit-containing polyester film usable for industrial and packaging purposes. The film of the present invention is a polyester film, which is a biaxially oriented film of a polyester resin including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, wherein the film has a plane orientation coefficient ΔP of not less than 0.005 and not more than 0.200 and a film thickness of not thinner than 1 micro meter and not thicker than 300 micro meters.
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公开(公告)号：US10896987B2
公开(公告)日：2021-01-19
申请号：US14385318
申请日：2013-03-11
申请人： TOYOBO CO., LTD.
发明人： Yoshitomo Ikehata , Akira Shimizu , Jun Inagaki , Shinji Sawasaki , Ken Jibiki
IPC分类号： H01L31/049 , B32B27/18 , B32B27/36 , B32B27/08 , B32B27/20 , C08L67/02 , C08L67/03 , C09D175/06 , C09D175/04 , C08K3/22 , C08K3/013
摘要： The present invention is a sealing sheet for a back surface of a solar cell comprising only one polyester film, wherein the polyester film is composed of at least the layer A and the layer B, or the layer A, the layer B and the layer C described below, wherein the polyester film has a given whiteness and a given average reflectance of the polyester film, a given acid value of the polyester, a given thickness of the whole polyester film, a given thickness of the A layer and the B layer, and a given content of the inorganic fine particles in the whole polyester film. Layer A: a polyester resin layer in which the content of the inorganic fine particles is 10 to 35% by mass Layer B: a polyester resin layer in which the content of the inorganic fine particles is 0 to 8% by mass, which is the smallest among the contents of the inorganic fine particles in the layer A, the layer B and the layer C Layer C: a polyester resin layer in which the content of the inorganic fine particles is 0.4 to 10% by mass.
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公开(公告)号：US10475943B2
公开(公告)日：2019-11-12
申请号：US15558555
申请日：2016-03-15
申请人： TOYOBO CO., LTD.
发明人： Shotaro Nishio , Akira Shimizu , Jun Inagaki , Shinji Sawasaki
IPC分类号： H01L31/048 , B32B27/18 , B32B27/36 , H01L31/049 , H01L31/054 , B32B27/08 , B32B27/20 , B32B7/12 , B32B27/30 , C08K3/013 , C08K3/36 , C08K3/22 , C08L67/02 , C08L67/03
摘要： The object of the present invention is to provide a white polyester film for a solar cell that is excellent in transfer-mark concealment properties (properties that transferred irregularities are hard to be seen) while having high whiteness, and exhibiting good light resistance and hydrolysis resistance, a sealing sheet for a back surface of a solar cell and a solar cell module using the same. The white polyester film for a solar cell of the present invention has whiteness of 50 or more, an average reflectance of 50 to 95% in a range of wavelength of 400 to 800 nm, an acid value of 1 to 50 eq/ton, and a thickness of 30 to 380 μm, and the film has a multilayer structure in which a polyester resin layer containing inorganic fine particles in an amount of 10 to 38% by mass is disposed as at least one outermost layer, and a half-value width of protrusion distribution on a surface of the polyester resin layer is 200 to 1000 nm, the protrusion distribution being obtained by plotting the number density of protrusions with respect to protrusion height.
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7.发明申请公开(公告)号：US20150068601A1
公开(公告)日：2015-03-12
申请号：US14385318
申请日：2013-03-11
申请人： TOYOBO CO., LTD.
发明人： Yoshitomo Ikehata , Akira Shimizu , Jun Inagaki , Shinji Sawasaki , Ken Jibiki
IPC分类号： H01L31/049
CPC分类号： H01L31/049 , B32B27/08 , B32B27/18 , B32B27/36 , B32B2250/244 , B32B2264/102 , B32B2272/00 , B32B2307/4026 , B32B2307/416 , B32B2307/71 , B32B2307/712 , B32B2307/732 , B32B2307/734 , B32B2457/12 , Y02E10/50
摘要： The present invention is a sealing sheet for a back surface of a solar cell comprising only one polyester film, wherein the polyester film is composed of at least the layer A and the layer B, or the layer A, the layer B and the layer C described below, wherein the polyester film has a given whiteness and a given average reflectance of the polyester film, a given acid value of the polyester, a given thickness of the whole polyester film, a given thickness of the A layer and the B layer, and a given content of the inorganic fine particles in the whole polyester film. Layer A: a polyester resin layer in which the content of the inorganic fine particles is 10 to 35% by mass Layer B: a polyester resin layer in which the content of the inorganic fine particles is 0 to 8% by mass, which is the smallest among the contents of the inorganic fine particles in the layer A, the layer B and the layer C Layer C: a polyester resin layer in which the content of the inorganic fine particles is 0.4 to 10% by mass
摘要翻译： 本发明是仅包含一个聚酯膜的太阳能电池的背面密封片，其中聚酯膜至少由A层和B层构成，或者A层，B层和C层 其中聚酯薄膜具有给定的白度和给定的聚酯薄膜平均反射率，给定的聚酯酸值，聚酯薄膜的给定厚度，A层和B层的给定厚度， 和整个聚酯膜中无机细颗粒的给定含量。 层A：无机微粒的含量为10〜35质量％的聚酯树脂层B：无机微粒的含量为0〜8质量％的聚酯树脂层， 层A，层B和层C层C中的无机微粒的含量中最小：无机微粒的含量为0.4〜10质量％的聚酯树脂层
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公开(公告)号：US11318662B2
公开(公告)日：2022-05-03
申请号：US16066212
申请日：2016-12-26
IPC分类号： B29C55/12 , B32B7/035 , B32B9/00 , B32B9/04 , B32B27/36 , C08J7/043 , C08J7/048 , C08G63/123 , C08G63/12 , C08G63/127 , C08G63/18 , C08L67/02
摘要： To provide a layered polyester film having excellent mechanical properties, transparency, heat resistance, and in particular excellent gas barrier property. A layered polyester film containing a polyester film and a thin film layer including mainly an inorganic compound, wherein the polyester film is a biaxially oriented polyester film including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, the thin film layer is formed on at least one surface of the polyester film, the inorganic compound is at least one of aluminum oxide and silicon oxide, and the layered polyester film has a plane orientation coefficient ΔP of not less than 0.100 and not more than 0.200, a film thickness of not thinner than 1 μm and not thicker than 300 μm, and an oxygen permeability of not less than 0.1 mL/m2/day/MPa and not more than 80 mL/m2/day/MPa under a temperature of 23° C. and a humidity of 65%.
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公开(公告)号：US11312830B2
公开(公告)日：2022-04-26
申请号：US17162351
申请日：2021-01-29
IPC分类号： C08J5/18 , C08J7/048 , C08J7/043 , C08J7/044 , C08J7/046 , C08J7/056 , B29C55/00 , B29C55/16 , B29C71/02 , C08G63/199 , B29K67/00 , B29L7/00
摘要： It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ΔP of not less than 0.005 and not more than 0.200, a thickness of not less than 1 μm and not more than 300 μm, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.
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公开(公告)号：US11325362B2
公开(公告)日：2022-05-10
申请号：US16066232
申请日：2016-12-26
IPC分类号： B32B27/36 , B32B27/30 , B32B27/40 , C08G63/672 , C08J7/043 , C08J7/046 , C08J7/048 , C08J7/056 , C08J7/06 , C08J7/04 , C08L67/02 , C08G63/16 , C08G63/127 , C08G63/18 , C08G63/12 , C08G63/123
摘要： To provide a layered polyester film having excellent mechanical properties, transparency, heat resistance, and gas barrier property. A layered polyester film including a polyester film and a thin film layer, wherein the polyester film is a biaxially oriented polyester film including a dicarboxylic acid component containing mainly a furandicarboxylic acid and a glycol component containing mainly ethylene glycol, the covering layer is formed on at least one surface of the polyester film, and the layered polyester film has a plane orientation coefficient ΔP of not less than 0.100 and not more than 0.200, and a thickness of the layered polyester film is not thinner than 1 μm and not thicker than 300 μm.
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