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公开(公告)号:US20200374987A1
公开(公告)日:2020-11-26
申请号:US15733320
申请日:2018-12-27
Applicant: KURARAY CO., LTD.
Inventor: Hirotaka YASUDA , Koichiro ISOUE
Abstract: To provide a composite film which comprises a heat-generating conductive structure and is suitable for a laminated glass that can achieve both of the heating of the whole area of the laminated glass and the efficient heating of a region surrounding an electronic member (e.g., a camera, a sensor, an antenna) while keeping the good sensitivity of the electronic member.A composite film comprising: a resin film; and a heat-generating conductive structure arranged on the resin film and comprising at least a plurality of main conductive fine wires, wherein the composite film has at least one electronic member attachment region not comprising the plurality of main conductive fine wires.
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公开(公告)号:US20180290437A1
公开(公告)日:2018-10-11
申请号:US15525533
申请日:2015-11-10
Applicant: KURARAY CO., LTD.
Inventor: Takuya KOBAYASHI , Takeshi KUSUDOU , Taiga YUI , Koichiro ISOUE
Abstract: An object of the present invention is to provide an interlayer film for laminated glass which has excellent sound insulating properties and which even when used for a long period of time in a high-temperature and high-humidity environment, is able to keep a haze good and is also able to suppress whitening from an edge side thereof.The present invention is concerned with an interlayer film for laminated glass including a sound insulating layer (layer A) and thermoplastic resin layers containing a thermoplastic resin (layers B), the sound insulating layer (layer A) being located between at least two of the thermoplastic resin layers (layers B), wherein with respect to a laminated glass obtained by interposing the interlayer film for laminated glass by two sheets of float glass and a laminated glass obtained by holding the laminated glass under conditions at 80° C. and at a relative humidity of 95% for 1,000 hours, when a haze of a central portion of the laminated glass in accordance with JIS K 7105 is measured, an increase of the haze of the laminated glass after holding relative to the haze of the laminated glass before holding is 2% or less, and a distance of whitening from an edge side of the laminated glass after holding is 4 mm or less.
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公开(公告)号:US20160053102A1
公开(公告)日:2016-02-25
申请号:US14779220
申请日:2014-03-13
Applicant: KURARAY CO., LTD.
Inventor: Yoshiaki ASANUMA , Koichiro ISOUE
CPC classification number: C08L29/14 , B32B17/10605 , B32B17/10761 , C08K5/103 , C08L67/00 , C08L71/02 , C08L2205/025 , C08L2205/035
Abstract: An object is to provide a polyvinyl acetal composition which includes polyvinyl acetals having different average amounts of remaining hydroxyl groups and from which a sheet having excellent transparency can be molded.A polyvinyl acetal composition comprising 3 to 100 parts by mass of polyvinyl acetal (B) with respect to 100 parts by mass of polyvinyl acetal (A), and 0.05 to 0.75 times by mass of compound (C) with respect to the total mass of polyvinyl acetal (A) and polyvinyl acetal (B). The polyvinyl acetal (A) has an average amount of remaining hydroxyl groups of X mol % (X is a positive number), the polyvinyl acetal (B) has an average amount of remaining hydroxyl groups of Y mol % (Y is a positive number), and |X−Y|≧3 is satisfied. The compound (C) is selected from a group consisting of a polyester containing a hydroxyl group, a polyalkylene oxide, and an ester compound containing a hydroxyl group, the ester compound containing a hydroxyl group being an ester compound of one molecule of an m-valent alcohol (m represents an integer of 1 to 3) and n molecules (n represents an integer of 1 to m) of a monovalent carboxylic acid.
Abstract translation: 本发明的目的是提供一种聚乙烯醇缩醛组合物,其包含具有不同平均残留羟基的聚乙烯醇缩醛,并且可以从其中模塑出具有优异透明性的片材。 相对于100质量份聚乙烯醇缩醛(A)和相对于化合物(C)的总质量为0.05〜0.75质量份,含有3〜100质量份聚乙烯醇缩醛(B)的聚乙烯醇缩醛组合物 聚乙烯醇缩醛(A)和聚乙烯醇缩醛(B)。 聚乙烯醇缩醛(A)的平均残留羟基的摩尔数为X摩尔%(X为正数),聚乙烯醇缩醛(B)的平均残留羟基为Y摩尔%(Y为正数 ),| X-Y |≥3。 化合物(C)选自含有羟基的聚酯,聚环氧烷和含羟基的酯化合物,所述含羟基的酯化合物是一分子m- (m表示1〜3的整数),1价羧酸的n分子(n表示1〜m的整数)。
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公开(公告)号:US20220010082A1
公开(公告)日:2022-01-13
申请号:US17279425
申请日:2019-09-25
Applicant: KURARAY CO., LTD.
Inventor: Koichiro ISOUE
IPC: C08J5/18 , C08K5/00 , C08K5/06 , C08K5/10 , C08L31/04 , B32B17/10 , B32B27/08 , B32B27/22 , B32B27/30
Abstract: The present invention relates to a method for producing a polyvinyl acetal resin film containing a plasticizer absorbed therein, comprising: a contact step of bringing a liquid plasticizer into contact with a polyvinyl acetal resin film; and a heating step of heating the polyvinyl acetal resin film that has been contacted with the liquid plasticizer, wherein an amount of a plasticizer in the polyvinyl acetal resin film before the contact step is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.
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公开(公告)号:US20210403697A1
公开(公告)日:2021-12-30
申请号:US17279427
申请日:2019-09-25
Applicant: KURARAY CO., LTD.
Inventor: Yoshiaki ASANUMA , Koichiro ISOUE
Abstract: The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 5 to 350 μm, and satisfies the following Formulae (1) and (2) where, comparing one surface and the other surface, a mean value of the 10-point average roughness of a rougher surface A and a mean value of the 10-point average roughness of a smoother surface B are defined as Rz1(a) μm and Rz2(a) μm, respectively: Rz1(a)>1.1×Rz2(a) (1) 3>Rz2(a) (2), a value obtained by dividing the standard deviation of the 10-point average roughness of the surface A by Rz1(a) and a value obtained by dividing the standard deviation of the 10-point average roughness of the surface B by Rz2(a) are each 0 to 0.30, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C. and 30 rpm using a Brookfield-type (B-type) viscometer, is 100 to 1,000 mPa·s, and the amount of a plasticizer in the polyvinyl acetal resin film is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.
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公开(公告)号:US20200023620A1
公开(公告)日:2020-01-23
申请号:US16497531
申请日:2018-03-27
Applicant: KURARAY CO., LTD.
Inventor: Koichiro ISOUE , Hirotaka YASUDA , Jun KOISHIKAWA , Uwe KELLER
Abstract: A polyvinyl acetal resin film for laminated glass, a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s, the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, and the polyvinyl acetal resin film having a thickness of 10 to 350 μm.
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公开(公告)号:US20180290436A1
公开(公告)日:2018-10-11
申请号:US15525508
申请日:2015-11-10
Applicant: KURARAY CO., LTD.
Inventor: Taiga YUI , Koichiro ISOUE , Takuya KOBAYASHI , Takeshi KUSUDOU
Abstract: A laminate with excellent sound insulating properties and bending strength and a laminated glass using the laminate are provided. The laminate contains a layer A and a plurality of layers B. The layer A includes a composition, which contains a resin having a peak at which a tan δ as measured by conducting a complex shear viscosity test under a condition at a frequency of 1 Hz in accordance with JIS K 7244-10 is maximum at −40 to 30° C. The layer A is laminated between at least two of the layers B, in which a shear storage modulus at a temperature of 25° C. as measured by conducting a complex shear viscosity test under a condition at a frequency of 1 Hz in accordance with JIS K 7244-10 is 1.30 MPa or more.
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公开(公告)号:US20210394494A1
公开(公告)日:2021-12-23
申请号:US17279316
申请日:2019-09-25
Applicant: KURARAY CO., LTD.
Inventor: Yuhi SHIMAZUMI , Takeshi KUSUDOU , Koichiro ISOUE , Hirotaka YASUDA , Takuya KOBAYASHI
Abstract: The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 10 to 350 μm, one surface has a 10-point average roughness Rz value of less than 2 μm and a friction angle of larger than 31° but 40° or smaller, the other surface has a 10-point average roughness Rz value of 2 μm to 7 μm and a friction angle of 20° to 31°, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C. and 30 rpm using a Brookfield-type (B-type) viscometer, is 100 to 1,000 mPa·s, and the amount of a plasticizer in the polyvinyl acetal resin film is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.
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公开(公告)号:US20200171795A1
公开(公告)日:2020-06-04
申请号:US16628313
申请日:2018-07-06
Applicant: KURARAY CO., LTD.
Inventor: Koichiro ISOUE , Hirotaka YASUDA
IPC: B32B15/082 , B32B17/10 , B32B27/22 , B32B3/14 , H05B3/20
Abstract: The present invention relates to a production method of a conductive structure-containing film with a substrate film, the production method comprising: a step (1) of forming a resin layer (X) by coating a thermoplastic resin composition (A) containing at least one thermoplastic resin selected from the group consisting of a polyvinyl acetal resin, an ionomer resin, and an ethylene-vinyl acetate copolymer resin on one side of a substrate film; and a step (2) of forming a conductive structure on the resin layer (X).
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公开(公告)号:US20180290439A1
公开(公告)日:2018-10-11
申请号:US15525515
申请日:2015-11-10
Applicant: KURARAY CO., LTD.
Inventor: Takeshi KUSUDOU , Takuya KOBAYASHI , Taiga YUI , Mitsunori ASADA , Yohei KAMATA , Koichiro ISOUE
Abstract: The present invention provides an interlayer film for laminated glass which has excellent sound insulating properties even when the thickness is reduced, and also has a low degree of orientation and low shrinkability.The invention relates to an interlayer film for laminated glass which includes at least one layer A containing a thermoplastic elastomer, wherein the thermoplastic elastomer includes a hard segment block and a soft segment block, the layer A has a sea-island phase separated structure in which the hard segment block is included as an island component and the soft segment block is included as a sea component, and the degree of orientation (1) defined by (maximum intensity value−minimum intensity value)/(maximum intensity value+minimum intensity value) based on the maximum intensity value and the minimum intensity value in an arbitrary azimuth range of 180° including the azimuth at which the intensity reaches the maximum in the azimuthal intensity distribution of periodic scattering or coherent scattering by the hard segment block or the soft segment block obtained for the layer A by small-angle X-ray scattering measurement is 0.9 or less.
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