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    Interlayer film for laminated glass and laminated glass
    1.
    发明授权
    Interlayer film for laminated glass and laminated glass 有权

    公开(公告)号：US11155062B2

    公开(公告)日：2021-10-26

    申请号：US15525515

    申请日：2015-11-10

    申请人： KURARAY CO., LTD.

    发明人： Takeshi Kusudou ,  Takuya Kobayashi ,  Taiga Yui ,  Mitsunori Asada ,  Yohei Kamata ,  Koichiro Isoue

    IPC分类号： B32B17/10 ,  E06B3/67 ,  E06B3/66 ,  B32B25/08 ,  B60J1/00 ,  B32B25/04 ,  B60J1/02 ,  B60J1/08 ,  B60J1/18 ,  B60J7/043

    摘要： 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.

    INTERLAYER FILM FOR LAMINATED GLASS AND LAMINATED GLASS
    3.
    发明申请
    INTERLAYER FILM FOR LAMINATED GLASS AND LAMINATED GLASS 审中-公开

    公开(公告)号：US20190375196A1

    公开(公告)日：2019-12-12

    申请号：US16541373

    申请日：2019-08-15

    申请人： KURARAY CO., LTD.

    发明人： Taiga Yui ,  Takuya Kobayashi ,  Takeshi Kusudou ,  Koichiro Isoue

    IPC分类号： B32B17/10 ,  B32B25/08 ,  E06B3/67 ,  B60J1/00

    摘要： The present invention provides an interlayer film for laminated glass which has excellent sound insulating properties even when the thickness is reduced, and also hardly causes optical unevenness.An interlayer film for laminated glass includes at least one layer A containing a thermoplastic elastomer, wherein the shear storage modulus of the layer A at 70° C. as measured by performing a dynamic viscoelasticity test at a frequency of 1,000 Hz in accordance with ASTM D4065-06 is 1 MPa or more, and a layer having a higher shear storage modulus than the layer A is provided on at least one surface of the layer A, and at least one surface of the interlayer film for laminated glass is in a state of having been shaped.

    Interlayer film for laminated glass
    5.
    发明授权
    Interlayer film for laminated glass 有权

    公开(公告)号：US11325354B2

    公开(公告)日：2022-05-10

    申请号：US16089055

    申请日：2017-03-24

    申请人： KURARAY CO., LTD.

    发明人： Yoshiaki Asanuma ,  Takeshi Kusudou

    IPC分类号： B32B17/10 ,  B32B27/30 ,  C08F116/38 ,  C08J5/18 ,  C08K5/01 ,  C08K5/03 ,  C08K5/05 ,  C08K5/053 ,  C08K5/12 ,  B32B7/02

    摘要： Provided is an interlayer film for laminated glass which is excellent in sound insulation property and has improved sound insulation performance not only in a coincidence region but also in a mass-dominated region. The interlayer film for laminated glass includes a sound insulating layer which is formed from a composition (A) containing at least one resin (a1) selected from a thermoplastic resin and a thermosetting resin, wherein a tan δ obtained when a dynamic viscoelasticity of a sheet, which is obtained by molding the composition (A) to have a thickness of 0.8 mm, is measured at a frequency of 0.3 Hz in a tension mode has a maximal value at a temperature TA (° C.), TA (° C.) is in a range of −50 to 50° C., and the tan δ at TA (° C.) is 2.5 or more.

    Interlayer film for laminated glass
    6.
    发明授权
    Interlayer film for laminated glass 有权

    公开(公告)号：US10259198B2

    公开(公告)日：2019-04-16

    申请号：US15118937

    申请日：2015-02-12

    申请人： KURARAY CO., LTD.

    发明人： Takuya Kobayashi ,  Takeshi Kusudou

    IPC分类号： B32B17/10 ,  C08F8/28 ,  C08K3/22 ,  C08F118/08 ,  C08F216/38 ,  C08F8/12 ,  C08K5/103 ,  C08F116/38 ,  C08J5/18 ,  C08K5/11

    摘要： An interlayer for a laminated glass is provided. The interlayer film contains (a) a polyvinyl acetal with an acetalization degree of 60 to 80 mol %, a content of a vinyl ester monomer unit of from 0.1 to 20 mol %, and a viscosity-average degree of polymerization of from 1400 to 4000, and (b) light-diffusing fine particles in which an absolute value difference between a refractive index of the light-diffusing fine particles and a refractive index of the intrlayer excluding the light-diffusing fine particles is 0.20 or more and a haze as measured in accordance with JIS K 7105 for a laminated glass prepared by sandwiching the interlayer film between two glass sheets with a thickness of 3 mm is 20% or less.

    Interlayer film for laminated glass and laminated glass
    7.
    发明授权
    Interlayer film for laminated glass and laminated glass 有权

    公开(公告)号：US10899112B2

    公开(公告)日：2021-01-26

    申请号：US15525541

    申请日：2015-11-10

    申请人： KURARAY CO., LTD.

    发明人： Takeshi Kusudou ,  Takuya Kobayashi ,  Shinya Oshita ,  Taiga Yui ,  Koichiro Isoue

    IPC分类号： B32B17/10 ,  E06B3/66 ,  B32B25/08 ,  E06B3/67 ,  B60J1/00 ,  B32B25/04 ,  B60J1/02 ,  B60J1/08 ,  B60J1/18 ,  B60J7/043

    摘要： A first object of the invention is to provide an interlayer film for laminated glass which has excellent sound insulating properties and heat shielding properties, and a laminated glass using the same. Further, a second object of the invention is to provide an interlayer film for laminated glass capable of maintaining the sound insulating properties, weather resistance, and heat creep resistance at a high level even if the thickness is reduced, and a laminated glass using the same.
    The invention relates to an interlayer film for laminated glass, including at least one layer A containing a thermoplastic elastomer, wherein a laminated glass in which the interlayer film for laminated glass is disposed between two clear glasses with the total thickness of the clear glasses being 4 mm or less has a visible light transmittance of 70% or more and an average transmittance of infrared light in the wavelength range of 800 to 1,100 nm of 72% or less.