公开(公告)号：US20170008988A1

公开(公告)日：2017-01-12

申请号：US15119204

申请日：2015-02-16

Applicant: KURARAY CO., LTD.

Inventor： Takeshi KUSUDOU ,  Yoshiaki ASANUMA ,  Kazuki TOKUCHI ,  Yuhi SHIMAZUMI

IPC: C08F216/38 ,  C04B35/634 ,  C09D5/24 ,  C04B41/80 ,  C08F18/08 ,  C08F16/06 ,  C04B41/00 ,  H01B1/22 ,  C08K3/08

CPC classification number: C08F216/38 ,  C04B35/4682 ,  C04B35/634 ,  C04B35/6342 ,  C04B41/0054 ,  C04B41/009 ,  C04B41/80 ,  C08F8/12 ,  C08F8/28 ,  C08F16/06 ,  C08F16/38 ,  C08F18/08 ,  C08F218/08 ,  C08F2500/17 ,  C08F2800/10 ,  C08F2800/20 ,  C08K3/08 ,  C08K2003/0862 ,  C08K2201/001 ,  C09D5/24 ,  H01B1/22 ,  C08F118/08 ,  C08F216/06

Abstract: There is provided a binder for ceramic formation or a conductive paste, comprising polyvinyl acetal having a degree of acetalization of from 50 to 85 mol %, a content of vinyl ester monomer unit of from 0.1 to 20 mol %, and having a viscosity-average degree of polymerization of from 200 to 5000, wherein a peak-top molecular weight (A) as measured by a differential refractive index detector and a peak-top molecular weight (B) as measured by an absorptiometer (measurement wavelength: 280 nm) in gel permeation chromatographic measurement of the polyvinyl acetal heated at 230° C. for 3 hours satisfy a formula (1) (A−B)/A

Abstract translation: 提供了一种用于陶瓷形成的粘合剂或导电性糊剂，其包含缩醛化度为50〜85摩尔％的聚乙烯醇缩醛，乙烯基酯单体单元的含量为0.1〜20摩尔％，粘度平均 聚合度为200至5000，其中通过差示折射率检测器测量的峰顶分子量（A）和通过吸光光度计（测量波长：280nm）测量的峰顶分子量（B）在 在230℃下加热3小时的聚乙烯醇缩醛的凝胶渗透色谱测定满足式（1）（A-B）/ A <0.60，聚乙烯醇缩醛的峰顶分子量（B） 从0.50×10-3到1.00×10-2。

公开(公告)号：US20160271911A1

公开(公告)日：2016-09-22

申请号：US15031315

申请日：2013-10-25

Applicant: KURARAY CO., LTD.

Inventor： Takeshi KUSUDOU ,  Yoshiaki ASANUMA

IPC: B32B17/10 ,  C08L29/14 ,  C08J5/18 ,  B29B17/00 ,  B29C43/02

CPC classification number: B32B17/10761 ,  B29B17/0005 ,  B29C43/02 ,  B29C43/203 ,  B29K2031/04 ,  B29K2061/00 ,  B29K2105/0038 ,  B29K2105/0085 ,  B29K2105/26 ,  B29K2995/0018 ,  B29K2995/0026 ,  B29L2007/008 ,  B29L2009/00 ,  B32B17/10036 ,  B32B17/10605 ,  B32B2307/412 ,  B32B2419/00 ,  B32B2605/08 ,  C08F216/38 ,  C08J5/18 ,  C08J2329/14 ,  C08L29/14 ,  C08L2205/025 ,  C08F218/08

Abstract: There is provided a multilayer film comprising a layer (X) containing a polyvinyl acetal (I) having an acetalization degree of 55 to 80 mol %, a content of a vinyl ester monomer unit of 0.1 to 1.5 mol % and a viscosity-average degree of polymerization of 1,400 to 5,000; and a layer (Y) containing a polyvinyl acetal (II) having an acetalization degree of 70 to 85 mol %, a content of a vinyl ester monomer unit of 5 to 15 mol % and a viscosity-average degree of polymerization of 1,400 to 5,000, wherein the multilayer film satisfies formulas (1) and (2): (A−B)/A

Abstract translation: 提供了一种多层膜，其包含含有缩醛化度为55〜80摩尔％，乙烯基酯单体单元的含量为0.1〜1.5摩尔％的粘度平均度的聚乙烯醇缩醛（I）的层（X） 的聚合度为1400〜5000; 和含有缩醛化度为70〜85摩尔％的聚乙烯醇缩醛（II）的层（Y），乙烯基酯单体单元的含量为5〜15摩尔％，粘均聚合度为1,400〜5000 （A-B）/ A <0.80（1）和1.00×10-2 <（b / y）/（a / x）<2.00×10- 1（2）。 因此，提供了一种具有足够的吸声性，耐加热着色性，减少异物（未溶解材料）和优异的可再循环性的膜。

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

IPC: B32B17/10 ,  E06B3/67

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.

公开(公告)号：US20160347883A1

公开(公告)日：2016-12-01

申请号：US15116748

申请日：2015-02-04

Applicant: KURARAY CO., LTD.

Inventor： Yosuke KUMAKI ,  Takeshi KUSUDOU ,  Shunsuke FUJIOKA

IPC: C08F114/06 ,  C08F116/06

CPC classification number: C08F114/06 ,  B01F17/0028 ,  C08F2/20 ,  C08F8/00 ,  C08F8/12 ,  C08F14/06 ,  C08F116/06 ,  C08F118/08 ,  C08F216/06 ,  C08F220/44 ,  C08F220/56 ,  C08F2810/30 ,  C08F218/08 ,  C08L27/06 ,  C08L29/04

Abstract: There is provided a dispersing agent for suspension polymerization of a vinyl compound comprising a polyvinyl alcohol with a saponification degree of 65 to 90 mol % which satisfies Formulas (1) to (3). It allows for reducing the amount of coarse particles during polymerization and can thus provide a vinyl polymer with a sharp particle size distribution and higher plasticizer absorbability. 0.4≦(MwUV/MwRI)≦0.95  (1) 3≦(MwUV/MnUV)≦12  (2) 0.1≦A220≦0.8  (3)

公开(公告)号：US20200298535A1

公开(公告)日：2020-09-24

申请号：US16089055

申请日：2017-03-24

Applicant: KURARAY CO., LTD.

Inventor： Yoshiaki ASANUMA ,  Takeshi KUSUDOU

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

Abstract: 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.

公开(公告)号：US20170361575A1

公开(公告)日：2017-12-21

申请号：US15525541

申请日：2015-11-10

Applicant: KURARAY CO., LTD.

Inventor： Takeshi KUSUDOU ,  Takuya KOBAYASHI ,  Shinya OSHITA ,  Taiga YUI ,  Koichiro ISOUE

IPC: B32B17/10 ,  E06B3/67 ,  B32B25/08

CPC classification number: B32B17/10165 ,  B32B17/10036 ,  B32B17/1055 ,  B32B17/10559 ,  B32B17/10577 ,  B32B17/10587 ,  B32B17/10605 ,  B32B17/10724 ,  B32B17/10743 ,  B32B17/10761 ,  B32B17/1077 ,  B32B17/10788 ,  B32B25/042 ,  B32B25/08 ,  B32B2307/102 ,  B32B2307/30 ,  B32B2307/412 ,  B32B2307/542 ,  B32B2307/734 ,  B32B2309/105 ,  B32B2605/006 ,  B60J1/001 ,  B60J1/02 ,  B60J1/08 ,  B60J1/18 ,  B60J7/043 ,  E06B3/66 ,  E06B3/6707 ,  E06B3/6715

Abstract: 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.

公开(公告)号：US20170043557A1

公开(公告)日：2017-02-16

申请号：US15118937

申请日：2015-02-12

Applicant: KURARAY CO., LTD.

Inventor： Takuya KOBAYASHI ,  Takeshi KUSUDOU

IPC: B32B17/10 ,  C08J5/18 ,  C08K3/22 ,  C08F118/08 ,  C08F116/38 ,  C08K5/11

CPC classification number: B32B17/10 ,  B32B17/10623 ,  B32B17/10761 ,  B32B2331/04 ,  C08F8/12 ,  C08F8/28 ,  C08F116/38 ,  C08F118/08 ,  C08F216/38 ,  C08F2800/10 ,  C08J5/18 ,  C08J2329/14 ,  C08J2331/04 ,  C08K3/22 ,  C08K5/103 ,  C08K5/11 ,  C08K2003/2241 ,  C08K2003/2296 ,  C08F216/06 ,  C08L29/14

Abstract: 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.

Abstract translation: 提供了夹层玻璃的夹层。 中间膜含有（a）缩醛化度为60〜80摩尔％的聚乙烯醇缩醛，乙烯基酯单体单元的含量为0.1〜20摩尔％，粘均聚合度为1400〜4000 ，和（b）光扩散微粒，其中光扩散微粒的折射率与除了光扩散微粒之外的层的折射率之间的绝对值差为0.20以上，并且测量到雾度 根据JIS K 7105，通过将夹层玻璃夹在两个厚度为3mm的玻璃板之间而制备的夹层玻璃为20％以下。

公开(公告)号：US20190054723A1

公开(公告)日：2019-02-21

申请号：US16075231

申请日：2017-02-06

Applicant: KURARAY CO., LTD.

Inventor： Yoshiaki ASANUMA ,  Takeshi KUSUDOU

IPC: B32B27/22 ,  B32B27/08 ,  B32B27/30 ,  B32B17/10

Abstract: Provided is a laminate which is excellent in handleability and exhibits excellent safety performance in the case of being used as an interlayer film for safe laminated glass and in which handleability is less likely to be degraded in the case of being stored for long periods.The present invention is a laminate including a layer (1) and a layer (2) on at least one surface of the layer (1), at least one layer of outermost layers being the layer (1), the laminate having a laminated structure with three or more layers, wherein the layer (1) contains a thermoplastic resin (I), the layer (2) contains a thermoplastic resin (II) and contains 4 to 200 parts by mass of a plasticizer A with respect to 100 parts by mass of the thermoplastic resin (II), and in a case where a hydroxyl value of the plasticizer A is designated as HV(A) mgKOH/g, HV(A)≥30.

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

IPC: B32B17/10 ,  E06B3/67 ,  B60J1/00

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.

公开(公告)号：US20180104931A1

公开(公告)日：2018-04-19

申请号：US15561418

申请日：2016-03-28

Applicant: KURARAY CO., LTD.

Inventor： Yoshiaki ASANUMA ,  Takeshi KUSUDOU

IPC: B32B17/10 ,  B32B27/30 ,  B32B27/22 ,  C08J5/18 ,  C08K5/06

CPC classification number: B32B17/10 ,  B32B17/10036 ,  B32B17/10605 ,  B32B17/10761 ,  B32B17/10788 ,  B32B27/22 ,  B32B27/30 ,  C08J5/18 ,  C08J2329/14 ,  C08K5/06 ,  C08L29/14

Abstract: Provided is an intermediate film for laminated glass which is composed of a composition having both a sufficiently reduced glass transition temperature and sufficiently high tan δ. Also provided is an intermediate film for sound-insulating laminated glass having improved sound-insulating properties not only in the coincidence region but also in the mass-dominated region.This intermediate film for laminated glass is composed of a composition (A) containing 100 parts by mass of at least one resin (a1) selected from the group consisting of thermoplastic resins and thermosetting resins, and 10-1000 parts by mass of at least one compound (a2) selected from the group consisting of specific compound 1 through compound 4.