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公开(公告)号：EP4357128A1
公开(公告)日：2024-04-24
申请号：EP22825062.7
申请日：2022-06-16
发明人： OOHIGASHI, Yuji , ISHIKAWA, Yuki , TERAGUCHI, Yumiko , KAMOSHIDA, Naoki , OKADA, Yuuki , URADOKORO, Kanako
IPC分类号： B32B17/10 , B32B27/00 , B32B27/30 , C03C27/12 , C09J129/14 , C09J201/00 , C09J7/38 , G02B5/30 , G02F1/13 , G02F1/1335
CPC分类号： B32B17/00 , B32B17/10 , B32B27/00 , B32B27/30 , C09J7/38 , C09J129/14 , C09J201/00 , G02B5/30 , G02F1/13 , G02F1/1335
摘要： A pressure-sensitive adhesive film which is a pressure-sensitive adhesive film comprising a thermoplastic resin, wherein a maximum peak temperature of tanδ is 0°C or more and 52°C or less, a shear storage elastic modulus at 20°C is 3 × 105 Pa or more, and a proportion of an undissolved component in dissolution of 1.0 g of the pressure-sensitive adhesive film in 10 g of isopropyl alcohol is 35% by mass or more and 100% by mass or less.
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公开(公告)号：EP4357311A1
公开(公告)日：2024-04-24
申请号：EP22825065.0
申请日：2022-06-16
IPC分类号： C03C27/12 , C08F16/38 , C09J11/06 , C09J129/14 , C09J7/38 , G02F1/1333
CPC分类号： B32B17/00 , C08F16/38 , C09J7/38 , C09J11/06 , C09J129/14 , G02F1/1333
摘要： The pressure-sensitive adhesive film of the present invention comprises a thermoplastic resin, wherein a shear storage elastic modulus at 85°C is 0.06 × 106 Pa or more and 1.00 × 106 Pa or less, the pressure-sensitive adhesive film comprises no plasticizer or comprises less than 20 parts by mass of a plasticizer based on 100 parts by mass of the thermoplastic resin, and a gel fraction is 15% or less. The laminate of the present invention comprises the pressure-sensitive adhesive film of the present invention, a first organic material substrate, and at least one base material of a second organic material substrate and an inorganic material substrate. The liquid crystal display of the present invention and the laminated glass of the present invention each comprise the laminate of the present invention. The present invention can provide a pressure-sensitive adhesive film excellent in level-difference conformability, bleed performance and recyclability, a laminate comprising the pressure-sensitive adhesive film, and a liquid crystal display and a laminated glass each comprising the laminate.
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公开(公告)号：EP3995467A1
公开(公告)日：2022-05-11
申请号：EP19936245.0
申请日：2019-11-20
发明人： KAWADA, Shinji , ISHIKAWA, Yuki
摘要： Provided is an interlayer film for laminated glass capable of enhancing the pour stability at the time of extrusion during production of the interlayer film for laminated glass, and having excellent shape stability. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer or two or more-layer structure, and includes a first layer containing a thermoplastic (meth)acrylic polymer and satisfies at least one of a first configuration that the thermoplastic (meth)acrylic polymer contained in the first layer is a thermoplastic (meth)acrylic polymer having a molecular weight distribution ratio of weight average molecular weight to number average molecular weight of 1 or more and 6 or less, and a second configuration that the thermoplastic (meth)acrylic polymer contained in the first layer is a thermoplastic (meth)acrylic polymer having a gel fraction of 5% by weight or less.
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公开(公告)号：EP3995465A1
公开(公告)日：2022-05-11
申请号：EP19935791.4
申请日：2019-11-20
发明人： ISHIKAWA, Yuki , IWAMOTO, Tatsuya , KAWADA, Shinji , OKADA, Yuuki
摘要： Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property of laminated glass over a wide resonance frequency region. An interlayer film for laminated glass according to the present invention has a one-layer or two or more-layer structure, and when the interlayer film is arranged between two sheets of clear float glass having a width of 25 mm, a length of 300 mm and a thickness of 2 mm to obtain a laminated glass X, a loss factor at a second resonance frequency, a loss factor at a third resonance frequency, and a loss factor at a fourth resonance frequency measured by a central exciting method at 20°C in mechanical impedance measurement in accordance with ISO16940 of the laminated glass X are respectively 0.4 or more.
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公开(公告)号：EP3578530A1
公开(公告)日：2019-12-11
申请号：EP18748072.8
申请日：2018-02-02
摘要： Provided is an interlayer film for laminated glass with which the sound insulating properties of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure, and includes a first layer having a glass transition temperature in dynamic viscoelasticity measurement of -30°C or more and 10°C or less, and when a glass transition temperature in unit °C of the first layer is referred to as Tg, a loss tangent tanδ of the first layer at Tg satisfies both of the following formula (1) and formula (2): Loss tangent tan δ of the first layer at Tg ≥ 1.55 Loss tangent tan δ of the first layer at Tg = A × first storage modulus G ′ of the first layer at Tg − 10 °C / second storage modulus G ′ of the first layer at Tg + 10 ° C + B in the above formula (2), A is 0.003 or more and 0.04 or less, and B is 0.7 or more and 1.4 or less.
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公开(公告)号：EP4212559A1
公开(公告)日：2023-07-19
申请号：EP21866895.2
申请日：2021-09-13
发明人： KAWADA, Shinji , ISHIKAWA, Yuki , IWAMOTO, Tatsuya , OKADA, Yuuki
IPC分类号： C08F220/10
摘要： Provided is a resin composition capable of enhancing the application property, and enhancing the grindability and the oil resistance of a cured body. A resin composition according to the present invention comprises a (meth)acrylic monomer, and a (meth)acrylic polymer, the (meth)acrylic monomer includes a first (meth)acrylic monomer, the first (meth)acrylic monomer has a glass transition temperature of homopolymer thereof of 65°C or more and 110°C or less, a content of the first (meth)acrylic monomer in 100% by weight of the (meth) acrylic monomer is 50% by weight or more and 85% by weight or less, the (meth) acrylic polymer has a weight average molecular weight of 400000 or more and 1900000 or less, and a content of the (meth)acrylic polymer, relative to 100 parts by weight of the (meth)acrylic monomer is 5 parts by weight or more and 30 parts by weight or less.
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公开(公告)号：EP3626689A1
公开(公告)日：2020-03-25
申请号：EP18801428.6
申请日：2018-05-18
摘要： Provided is an interlayer film for laminated glass capable of effectively enhancing the sound insulating property at 6300 Hz while effectively preventing deterioration in sound insulating property at 3150 Hz in laminated glass. An interlayer film for laminated glass according to the present invention has a one-layer structure or a two or more-layer structure and includes a resin layer containing a resin and a plasticizer. The interlayer film has a resonance frequency X of 550 Hz or more and 740 Hz or less, a loss factor Y in a secondary mode of 0.35 or more, and satisfies a formula: Y > 0.0008X - 0.142 in a measurement of resonance frequency in a secondary mode in a damping test for laminated glass according to a central exciting method of laminated glass, when the laminated glass is obtained by arranging the interlayer film between two glass plates of 25 mm wide, 300 mm long and 2 mm thick.
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8.发明公开MODIFIED POLYVINYL ALCOHOL, MODIFIED POLYVINYL ACETAL AND CERAMIC SLURRY COMPOSITION 有权VERFAHREN ZUR HERSTELLUNG VON改性剂聚乙烯
公开(公告)号：EP2623524A1
公开(公告)日：2013-08-07
申请号：EP11828840.6
申请日：2011-09-16
IPC分类号： C08F8/28 , C04B35/632 , C08F8/50 , C08F16/06 , C08L29/14
CPC分类号： C08F116/06 , C04B35/4682 , C04B35/63416 , C04B35/6342 , C04B2235/5445 , C04B2235/6025 , C08F8/12 , C08F8/28 , C08F8/50 , C08F216/38 , C08K3/00 , C08F16/06
摘要： The present invention provides a modified polyvinyl alcohol enabling to produce polyvinyl acetal that is excellent in solubility in a solvent even with a low degree of polymerization while hardly causing reaction inhibition, coloring, and particle coarsening, and a method for producing the modified polyvinyl alcohol. The present invention also provides a modified polyvinyl acetal that is excellent in solubility in a solvent even with a low degree of polymerization, and has high elasticity, mechanical strength, and a film forming property. The present invention further provides a method for producing the modified polyvinyl acetal, a polyvinyl acetal film produced from the modified polyvinyl acetal, a method for producing the polyvinyl acetal film, a ceramic slurry composition, a method for producing the ceramic slurry composition, and a ceramic green sheet. The present invention is a modified polyvinyl alcohol including at least one functional group selected from the group consisting of hydroxyl, aldehyde, carboxyl, and lactone ring groups at a molecular end, and having a degree of saponification of 99.95 mol% or higher and a 1,2-glycol bond content of 1.4 mol% or lower.
摘要翻译： 本发明提供一种改性聚乙烯醇，其能够生产聚合物缩醛，即使在聚合反应低的同时溶剂的溶解性也优异，同时几乎不引起反应抑制，着色和颗粒粗化，以及改性聚乙烯醇的制造方法。 本发明还提供即使在低聚合度下溶剂性也优异且具有高弹性，机械强度和成膜性的改性聚乙烯醇缩醛。 本发明还提供一种改性聚乙烯醇缩醛的制造方法，由改性聚乙烯醇缩醛制造的聚乙烯醇缩醛膜，聚乙烯醇缩醛膜的制造方法，陶瓷浆料组合物，陶瓷浆料组合物的制造方法以及 陶瓷绿板。 本发明是在分子末端具有选自羟基，醛，羧基和内酯环基中的至少一种官能团的改性聚乙烯醇，皂化度为99.95mol％以上且1 ，2-二醇键含量为1.4摩尔％以下。
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公开(公告)号：EP4357130A1
公开(公告)日：2024-04-24
申请号：EP22825063.5
申请日：2022-06-16
发明人： OOHIGASHI, Yuji , ISHIKAWA, Yuki , TERAGUCHI, Yumiko , KAMOSHIDA, Naoki , OKADA, Yuuki , URADOKORO, Kanako
IPC分类号： B32B27/00 , B32B27/30 , C03C27/12 , C08F16/38 , C09J129/14 , C09J7/38 , G02F1/1333
CPC分类号： B32B17/00 , B32B27/00 , B32B27/30 , C08F16/38 , C09J7/38 , C09J129/14 , G02F1/1333
摘要： The pressure-sensitive adhesive film of the present invention comprises a thermoplastic resin and has a thickness of 150 µm or more and 2000 µm or less, in which an amount of change in thickness of a test sample A in a predetermined compression creep test performed is 50 µm or more and 325 µm or less, and an adhesive force to a polycarbonate base material, as measured by a predetermined pressure-sensitive adhesive force measurement method, is 100 N or more. The laminate of the present invention comprises the pressure-sensitive adhesive film of the present invention, a first organic material substrate, and at least one base material of second organic material substrate and inorganic material substrate. The liquid crystal display of the present invention and the laminated glass of the present invention each comprises the laminate of the present invention. According to the present invention, there can be provided a pressure-sensitive adhesive film, a laminate comprising the pressure-sensitive adhesive film, and a liquid crystal display and a laminated glass each comprising the laminate, in which a transparency in low-temperature sticking is favorable, foaming in an end portion in low-temperature sticking is small, and adhesiveness to a resin material such as a polarization film is favorable.
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公开(公告)号：EP4306551A1
公开(公告)日：2024-01-17
申请号：EP22767078.3
申请日：2022-03-07
摘要： The present invention provides a polyvinyl alcohol resin with which a polyvinyl acetal resin having a controlled particle size and forming less lumps during dissolution to exhibit excellent solubility can be produced. Provided is a polyvinyl alcohol resin containing: methyl acetate; a vinyl alcohol unit; and a vinyl acetate unit, the methyl acetate being contained in an amount of 0.05 to 3% by weight, the vinyl alcohol unit being contained in an amount of 80 to 99.5 mol%, the vinyl acetate unit having a mean chain length L A of 1 to 4.5, the vinyl alcohol unit having a mean chain length L O of 1 to 30.
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