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公开(公告)号：EP3797987A1
公开(公告)日：2021-03-31
申请号：EP20207446.4
申请日：2015-09-11
发明人： IWAMOTO, Tatsuya , MINAKUCHI, Nami , TAKEDA, Yuuma
摘要： Provided is an interlayer film for laminated glass that can improve bending rigidity and sound insulating properties of laminated glass. An interlayer film for laminated glass according to the present invention has a single-layer structure or a two or more-layer structure and includes a first layer containing a thermoplastic resin, in which a glass transition temperature of the first layer is 10°C or lower, and an equivalent stiffness of the interlayer film for laminated glass at 25°C is 2.4 MPa or greater.
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公开(公告)号：EP3381680A1
公开(公告)日：2018-10-03
申请号：EP18172832.0
申请日：2011-09-30
CPC分类号： B32B17/10605 , B32B17/10036 , B32B17/10761 , B32B2250/03 , B32B2307/102 , B60J3/007 , C08K5/0016 , C08K2201/014 , Y10T428/31627 , Y10T428/3163 , Y10T428/31649 , Y10T428/31859 , Y10T428/31928 , Y10T428/31942 , Y10T428/31946 , C08L29/14
摘要： The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property of the obtained laminated glass, and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 which contains a polyvinyl acetal resin and a plasticizer, and the polyvinyl acetal resin and the first plasticizer are a polyvinyl acetal resin and a first plasticizer which have a cloud point of 5°C or lower when the cloud point is measured using a solution prepared by dissolving 8 parts by weight of the polyvinyl acetal resin in 100 parts by weight of the first plasticizer; and the laminated glass 11 of the present invention comprises first and second components for laminated glass, and the intermediate film 1 for laminated glass sandwiched between the first and second components for laminated glass.
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公开(公告)号：EP3348531A1
公开(公告)日：2018-07-18
申请号：EP16844436.2
申请日：2016-09-08
发明人： IWAMOTO, Tatsuya , MINAKUCHI, Nami
CPC分类号： B32B17/10761 , B32B17/10064 , B32B17/10605 , B32B27/08 , B32B27/30 , B32B2250/03 , B32B2250/05 , B32B2307/102 , B32B2307/546 , B32B2329/00 , C08K5/10 , C08K5/103 , C08L29/14
摘要： There is provided an interlayer film for laminated glass with which the flexural rigidity of laminated glass can be enhanced and the sound insulating properties of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes first, second, and third layers containing a polyvinyl acetal resin and a plasticizer, the content of the hydroxyl group of the polyvinyl acetal resin in the first layer is lower than the content of the hydroxyl group of the polyvinyl acetal resin in each of the second and third layers, when absolute values of a difference between the content of the hydroxyl group of the polyvinyl acetal resin in the second and third layers and the content of the hydroxyl group of the polyvinyl acetal resin in the first layer are defined as XA and XB, respectively, each of the absolute values XA and XB is 9% by mole or more and 11% by mole or less, and when a content of the plasticizer in the interlayer film relative to 100 parts by weight of the polyvinyl acetal resin in the interlayer film is defined as Y, XA, XB, and Y satisfy the equations of Y ≤ -1.68XA + 56 and Y ≤ -1.68XB + 56.
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公开(公告)号：EP2660216A1
公开(公告)日：2013-11-06
申请号：EP11854260.4
申请日：2011-12-28
CPC分类号： B32B17/10761 , B32B17/10036 , B32B2250/03 , B32B2307/102 , B32B2307/51 , B32B2419/00 , B32B2605/00 , Y10T428/31627 , Y10T428/31859
摘要： The present invention provides an interlayer film for a laminated glass which can suppress bubble formation and bubble growth in the laminated glass. An interlayer film for a laminated glass according to the present invention includes a first layer and a second layer laminated on one face of the first layer, each of the first layer and the second layer contains a polyvinyl acetal resin, contains a carboxylic acid-modified polyvinyl acetal resin, or contains both a polyvinyl acetal resin and a carboxylic acid-modified polyvinyl acetal resin, each of the first layer and the second layer contains a plasticizer, and when the first layer does not contain the carboxylic acid-modified polyvinyl acetal resin, the first layer contains a compound having a boron atom.
摘要翻译： 本发明提供一种夹层玻璃用中间膜，其能够抑制夹层玻璃中的气泡形成和气泡生长。 根据本发明的夹层玻璃用中间膜包括第一层和层压在第一层的一个面上的第二层，第一层和第二层中的每一层含有聚乙烯醇缩醛树脂，含有羧酸改性的 或者同时含有聚乙烯醇缩醛树脂和羧酸改性聚乙烯醇缩醛树脂的情况下，第一层和第二层分别含有增塑剂，在第一层不含羧酸改性聚乙烯醇缩醛树脂 第一层含有具有硼原子的化合物。
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公开(公告)号：EP2623471A1
公开(公告)日：2013-08-07
申请号：EP11829369.5
申请日：2011-09-30
CPC分类号： B32B7/02 , B32B17/10036 , B32B17/10605 , B32B17/10761 , B32B2250/03 , B32B2307/102 , B32B2419/00 , B32B2605/08 , B32B2605/10 , B32B2605/12 , B32B2605/18 , B60J3/007 , C08K5/0016 , C08L29/14 , Y10T428/2495 , C08L71/02
摘要： The present invention aims to provide an intermediate film for laminated glass which, in the case of being used for constituting a laminated glass, enables to improve the sound-insulating property in a high frequency range of the obtained laminated glass over a wide range of temperature. The intermediate film for laminated glass of the present invention1 has a structure that a first layer 2, a second layer 3, and a third layer 4 are laminated in this order, each of the first, second, and third layers 2, 3, and 4 contains a polyvinyl acetal resin and a plasticizer, the hydroxy group content in the polyvinyl acetal resin contained in the first layer 2 is lower than each of the hydroxy group contents in the polyvinyl acetal resins contained in the second and third layers 3 and 4, and the ratio (T1/(T2+T3)) of the thickness (T1) of the first layer 2 to the total thickness (T2+T3) of the second and third layers 3 and 4 is 0.14 or lower.
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公开(公告)号：EP4001233A1
公开(公告)日：2022-05-25
申请号：EP20840749.4
申请日：2020-07-14
IPC分类号： C03C27/12 , C09J129/14 , C09J7/22 , C09J7/35
摘要： Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property of laminated glass in a relatively low temperature region. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer structure or a two or more-layer structure, and when the interlayer film is sandwiched between two sheets of green glass having a thickness of 2 mm to obtain a laminated glass X with a size of 25 mm long × 300 mm wide, an absolute value of difference between a secondary resonance frequency of the laminated glass X before irradiation with xenon light and a secondary resonance frequency of the laminated glass X after irradiation with xenon light determined by a specific xenon light irradiation test is 60 Hz or more, a loss factor at 20°C of the laminated glass X is 0.25 or more, and a solar transmittance of the laminated glass X is 50% or less.
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公开(公告)号：EP4001232A1
公开(公告)日：2022-05-25
申请号：EP20840748.6
申请日：2020-07-14
IPC分类号： C03C27/12 , C09J129/14 , C09J7/22 , C09J7/35
摘要： Provided is an interlayer film for laminated glass capable of suppressing the change in sound insulating property of laminated glass in a relatively high temperature region. An interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass having a one-layer structure or a two or more-layer structure, and when the interlayer film is sandwiched between two sheets of green glass having a thickness of 2 mm to obtain a laminated glass X with a size of 25 mm long × 300 mm wide, an absolute value of difference between a secondary resonance frequency of the laminated glass X before irradiation with xenon light and a secondary resonance frequency of the laminated glass X after irradiation with xenon light determined by a specific xenon light irradiation test is 70 Hz or less, a loss factor at 20°C of the laminated glass X is 0.24 or more, and a solar transmittance of the laminated glass X is 50% or less.
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公开(公告)号：EP3995466A1
公开(公告)日：2022-05-11
申请号：EP19936058.7
申请日：2019-11-20
摘要： Provided is an interlayer film for laminated glass capable of suppressing the generation of an optical strain in laminated glass, and enhancing the damping performance of laminated glass. 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 resin, and when the interlayer film is arranged between two sheets of clear float glass having a thickness of 2.5 mm to obtain a laminated glass X with a size of 150 mm in length and 300 mm in width, and the obtained laminated glass X is subjected to a specific measurement of optical strain, an optical strain value is 3.00 or less, whereas when the interlayer film is arranged between two sheets of clear float glass having a thickness of 2.1 mm to obtain a laminated glass Y having a size of 950 mm in length and 1500 mm in width, and the obtained laminated glass Y is subjected to a specific measurement of damping ratio, a damping ratio at a resonance frequency of 50 Hz or more and 80 Hz or less is 5.0% or more.
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公开(公告)号：EP3835277A1
公开(公告)日：2021-06-16
申请号：EP19846829.0
申请日：2019-07-02
发明人： ISHIKAWA, Yuki , IWAMOTO, Tatsuya , KAWADA, Shinji
摘要： Provided is an interlayer film for laminated glass capable of enhancing the adhesive force between a layer containing a (meth)acryloyl polymer, and an adherend arranged on the layer, and enhancing the sound insulating property of the laminated glass. An interlayer film for laminated glass according to the present invention has a one-layer or two or more-layer structure, the interlayer film includes a first layer containing a (meth)acryloyl polymer prepared by polymerizing polymerization components including at least one kind of cyclic skeleton-containing (meth)acryloyl monomer selected from the group consisting of a (meth)acryloyl monomer having an aromatic skeleton, a (meth)acryloyl monomer having an alicyclic skeleton and a (meth)acryloyl monomer having a cyclic ether skeleton, and a content of the cyclic skeleton-containing (meth)acryloyl monomer is 50% by weight or more in 100% by weight of the polymerization components.
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公开(公告)号：EP3660104A1
公开(公告)日：2020-06-03
申请号：EP18838308.7
申请日：2018-07-23
IPC分类号： C08L101/00 , B32B17/04 , B32B27/30 , C03C27/12 , C08J5/18 , C08K5/00 , C08L29/14 , C08L65/00
摘要： Provided is a resin film capable of enhancing both the sound insulating property and the transparency. A resin film according to the present invention has a one-layer structure or a two or more-layer structure, and includes a first layer containing a resin component that is a thermoplastic resin or a cured product of a photocurable compound or a moisture-curable compound, and a terpene phenol resin.
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