Next To Acetal Of Polymerized Unsaturated Alcohol (e.g., Formal Butyral, Etc.) Patents (Class 428/437)
  • Patent number: 10625495
    Abstract: Provided is a scratch self-repairing film including a hardcoat layer that has surface hardness, flexibility, and heat resistance at high levels and offers excellent workability. The scratch self-repairing film according to the present invention includes a substrate layer, a hardcoat layer on or over one side of the substrate layer, and a flexible resin layer on or over the other side of the substrate layer. The hardcoat layer includes a cured product of a curable composition. The curable composition includes a cationically curable silicone resin and a leveling agent. The cationically curable silicone resin includes a silsesquioxane unit. The cationically curable silicone resin includes an epoxy-containing monomeric unit in a proportion of 50 mole percent or more of the totality of all monomeric units and has a number-average molecular weight of 1000 to 3000.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: April 21, 2020
    Assignee: DAICEL CORPORATION
    Inventor: Shinji Kikuchi
  • Patent number: 10603882
    Abstract: A multilayer laminating film contains at least one first and one second layer of plasticized polyvinyl acetal, wherein the first layer comprises a first plasticizer and a first polyvinyl acetal with a degree of acetalization of 75.1-84.0 mol % and a molar ratio of continuous sequences of vinyl alcohol groups with 5 members with a stereochemical sequence of rrrr of more than 0.23 based on the total amount of continuous syndiotactic sequences of vinyl alcohol groups with 3 members in the polyvinyl acetal, and the second layer comprises a second plasticizer and a second polyvinyl acetal with a degree of acetalization of 60-84 mol %.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: March 31, 2020
    Assignee: KURARAY EUROPE GMBH
    Inventors: Martin Steuer, Daniel Wenzlik, Takeshi Kusudo, Philipp Lellig, Uwe Keller
  • Patent number: 10464293
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: November 5, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Patent number: 10427384
    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 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.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: October 1, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Taiga Yui, Takuya Kobayashi, Takeshi Kusudou, Koichiro Isoue
  • Patent number: 10421254
    Abstract: Provided is an interlayer film for laminated glass which produces a high contrast image under light radiation, is less susceptible to color changes, and allows for control of the adhesion, as well as a laminated glass including the interlayer film. The interlayer film includes a light emitting layer containing a polyvinyl acetal, a light emitting material having a terephthalic acid ester structure, and a potassium salt.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: September 24, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima, Juichi Fukatani
  • Patent number: 10414973
    Abstract: An interlayer comprised of a thermoplastic resin, at least one luminescent pigment and a carboxylic acid additive. The use of a thermoplastic resin, at least one luminescent pigment and a carboxylic acid additive reduces or minimizes the optical defects (such as high color or yellowness and increased haze) caused by discoloration of the pigment without sacrificing other characteristics of the interlayer.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: September 17, 2019
    Assignee: Solutia Inc.
    Inventors: John J. D'Errico, Benjamin B. Thompson, Wenjie Chen
  • Patent number: 10414127
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times, n Rations of Ion Intensity of Magnesium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value1?n?10 of 10 values of Ratio1?n?10 measured within a range of 1?n?10, furthermore, after the interlayer film is heated for 0.5 hours at 150° C.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 17, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Patent number: 10414128
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times and n Rations of Ion Intensity of Potassium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value1?n?10 of 10 values of Ratio1?n?10 measured within a range of 1?n?10 and an average value1?n?150 values of Ratio1?n?150 measured within a range of 1?n?150, the average value1?n?10 is more than 1.1 times the average value1?n?150.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 17, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Patent number: 10363721
    Abstract: There is provided an interlayer film for laminated glass with which any of the anti-glare property, light resistance and visibility in a dark place of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes a thermoplastic resin and has a ratio L?s/Ls of the relative scotopic vision luminance L?s to the relative photopic vision luminance Ls to be greater than or equal to 1.0 at the time of preparing laminated glass with two sheets of clear glass in accordance with JIS R3202 (1996), and the interlayer film for laminated glass according to the present invention preferably includes at least one kind of ingredient among a phthalocyanine compound, a naphthalocyanine compound, an anthracyanine compound and an indanthrene compound which have a maximum absorption wavelength greater than or equal to 550 nm and less than or equal to 750 nm.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: July 30, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Ryuta Tsunoda, Yasuyuki Izu
  • Patent number: 10125253
    Abstract: Resin compositions, layers, and interlayers comprising two or more poly(vinyl acetal) resins and at least one blending agent or haze reducing agent are provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: November 13, 2018
    Assignee: Solutia Inc.
    Inventor: Jun Lu
  • Patent number: 10065397
    Abstract: Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: September 4, 2018
    Assignee: Solutia Inc.
    Inventors: Jun Lu, Zhou Li
  • Patent number: 10065399
    Abstract: An interlayer comprised of a blend of thermoplastic resins and at least one high refractive index having improved acoustic and optical quality is disclosed. The use of a blend thermoplastic resins and a high refractive index plasticizer improves transparency and acoustic properties without sacrificing other characteristics of the interlayer.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: September 4, 2018
    Assignee: Solutia Inc.
    Inventor: Jun Lu
  • Patent number: 10005899
    Abstract: Resin compositions, layers, and interlayers comprising two or more poly(vinyl acetal) resins and at least one blending agent or haze reducing agent are provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: June 26, 2018
    Assignee: SOLUTIA INC.
    Inventors: Wenjie Chen, John Joseph D'Errico, Jun Lu
  • Patent number: 9963583
    Abstract: Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: May 8, 2018
    Assignee: SOLUTIA INC.
    Inventors: Wenjie Chen, Jun Lu, Curtis Schilling, III, John Joseph D'Errico
  • Patent number: 9694653
    Abstract: A transparent laminated glass is described. The transparent laminated glass can comprise a transparent outer pane, at least one polymer layer, and a transparent inner pane. Uses of the transparent laminated glass are also described.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: July 4, 2017
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Volkmar Offermann, Benno Dunkmann
  • Patent number: 9694563
    Abstract: A transparent laminated glass is described. The transparent laminated glass can comprise a transparent outer pane, at least one polymer layer, and a transparent inner pane. Uses of the transparent laminated glass are also described.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: July 4, 2017
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Volkmar Offermann, Benno Dunkmann
  • Patent number: 9649828
    Abstract: 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 a laminated glass to be obtained; 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 degree of acetylation of the polyvinyl acetal resin contained in the first layer 2 exceeds 30 mol %; and The laminated glass 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.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: May 16, 2017
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Kohei Kani, Tatsuya Iwamoto
  • Patent number: 9604433
    Abstract: Polyvinylacetal films exhibiting high UV absorbance, freedom from cloudiness, and low tendency for UV stabilizer migration use, as a UV absorber, one or more UV absorbers of the formulae (1a), (1b), (2) or (3) in films formed from plasticizer-containing polyvinyl acetal
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: March 28, 2017
    Assignee: KURARAY EUROPE GMBH
    Inventors: Philipp Lellig, Uwe Keller
  • Patent number: 9355631
    Abstract: A polymer interlayer having improved sound insulation is disclosed. The polymer interlayer comprises at least one soft layer wherein the soft layer comprises: a first poly(vinyl butyral) resin having a first residual hydroxyl content and a first glass transition temperature (Tg); a second poly(vinyl butyral) resin having a second residual hydroxyl content and a second glass transition temperature (Tg), wherein the difference between the first residual hydroxyl content and the second residual hydroxyl content is at least 1.0 weight percent; wherein the difference between the first glass transition temperature (Tg) the second glass transition temperature (Tg) is at least 1.5° C.; and a plasticizer; at least one stiffer layer comprising a third poly(vinyl butyral resin) having a third residual hydroxyl content; and a plasticizer, wherein the polymer interlayer has a damping loss factor (?) (as measured by Mechanical Impedance Measurement according to ISO 16940) of at least about 0.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 31, 2016
    Assignee: Solutia Inc.
    Inventor: Jun Lu
  • Patent number: 9102849
    Abstract: A thermoplastic polymer composition which is excellent in flexibility, mechanical properties, and moldability and is capable of adhering to ceramics, metals, and synthetic resins even by heat treatment at a low temperature (for example, 190° C. or lower) without the treatment with a primer, and a molded product obtained by using the thermoplastic polymer composition. The thermoplastic polymer composition includes 100 parts by mass of a thermoplastic elastomer (A), 1 to 100 parts by mass of a polyvinyl acetal resin (B), 5 to 100 parts by mass of a polar group-containing olefin-based copolymer (C), and 0.1 to 300 parts by mass of a softener (D). The thermoplastic elastomer (A) is a block copolymer which has a polymer block constituted by aromatic vinyl compound units and a polymer block constituted by conjugated diene units or a hydrogenated product of the block copolymer.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: August 11, 2015
    Assignee: KURARAY CO., LTD.
    Inventors: Asako Minamide, Mikio Masuda
  • Patent number: 9096038
    Abstract: The present invention is in the field of multiple layer glass panels comprising a polymer sheet having desirable surface properties, and more specifically, the present invention is in the field of multiple layer glass panels comprising poly(vinyl butyral) having a finished surface of relatively low waviness and high roughness disposed in contact with poly(ethylene terephthalate) and/or other poly(vinyl butyral) type layers.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: August 4, 2015
    Assignee: SOLUTIA, INC.
    Inventor: Vincent J. Yacovone
  • Patent number: 9096037
    Abstract: The present invention is in the field of multiple layer glass panels comprising a polymer sheet having desirable surface properties, and more specifically, the present invention is in the field of multiple layer glass panels comprising poly(vinyl butyral) having a finished surface of relatively low waviness and high roughness disposed in contact with poly(ethylene terephthalate) and/or other poly(vinyl butyral) type layers.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: August 4, 2015
    Assignee: SOLUTIA, INC.
    Inventor: Vincent J. Yacovone
  • Patent number: 9044919
    Abstract: A transparent laminated glass is described. The transparent laminated glass can comprise a transparent outer pane, at least one polymer layer, and a transparent inner pane. Uses of the transparent laminated glass are also described.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: June 2, 2015
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Volkmar Offermann, Benno Dunkmann
  • Patent number: 9023463
    Abstract: The present invention is in the field of polymer interlayers used in multiple layer glass panels, and specifically the present invention is in the field of antiblocking agents for polymer interlayers and methods of effectively incorporating such agents into interlayers.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: May 5, 2015
    Assignee: Eastman Chemical Company
    Inventors: Chiah-chang Clifford Lin, Ping Yuan
  • Publication number: 20150024184
    Abstract: The present invention relates to a glass pane construction, particularly bullet proof glass pane, to be used in a motor vehicle, having several transparent panes and layers made of glass, ceramic or synthetic material, which are connected in a layered manner connected to each other in a laminate, electrical controllable or switchable electrochromic layer means for electrical controlling or switching of the light transparency of the glass pane construction or of the bullet proof pane, wherein a laminar transparent UV filtering layer means for filtering of striking ultraviolet (UV) radiation is provided so that none or only a part of the UV radiation passes to the electrochromic layer means.
    Type: Application
    Filed: September 28, 2012
    Publication date: January 22, 2015
    Inventor: Alberto Bertolini
  • Publication number: 20150010761
    Abstract: A cholesteric liquid crystal mixture containing a compound represented by Z1-Y1-A1-Y3-M1-Y4-A2-Y2-Z2, a compound represented by Z3-Y5-A3-Y7-M2-P, and a tri- or higher functional polymerizable monomer suppresses deposition of a liquid crystal at the time of forming a film, exhibits a wide characteristic reflection bandwidth of the film. Z1 to Z3 represent a polymerizable group; A1 to A3 represent an alkylene spacer having a chain of 1 to 30 atoms; M1 and M2 represent (-T1-Y8)n-T2-; n indicates a natural number; T1 and T2 represent a hydrocarbon or heterocyclic ring; Y1 to Y5, Y7 and Y8 represent a single bond, —O—, —CO—, —O—CO—, —CO—O— or —O—CO—O—; and P represents a hydrogen atom or an alkyl group.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 8, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Tomoki TASAKA, Masaomi KIMURA, Masao NAKAJIMA, Taro HASHIZUME
  • Patent number: 8920930
    Abstract: Film laminates are formed from at least three layers A, B and C, each containing at least one plasticizer and at least one polyvinyl acetal, wherein two outer layers A and C each contain at least one identical or different polyvinyl acetal having a proportion of polyvinyl alcohol groups of 18.5 to 23% by weight, at least one inner layer B contains a polyvinyl acetal having a proportion of polyvinyl alcohol groups of 12 to 18% by weight, and at least one of the layers A, B or C contains at least one polyvinyl (iso)acetal. The film laminates can be used for the production of glass/film laminate/glass composites for motor vehicles, aircraft, ships, architectural glazings, façade components, or for the production of photovoltaic modules.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: December 30, 2014
    Assignee: Kuraray Europe GmbH
    Inventors: Markus Meise, Jan Beekhuizen, Martin Steuer, Uwe Keller, Michael Frank
  • Publication number: 20140349123
    Abstract: The present invention provides an interlayer film for laminated glass, that exhibits an excellent sound-insulating performance for solid-borne sound in an environment at or below 0° C. Another object is to provide laminated glass that is obtained using this interlayer film for laminated glass. The present invention is an interlayer film for laminated glass, that has a sound-insulating layer for which a temperature T1, which is the temperature that gives the maximum value of tan ? at a frequency of 1 Hz, is in the range from ?30° C. to 0° C.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 27, 2014
    Inventors: Shouta MATSUDA, Kozo NAKAMURA, Michio SHIMAMOTO, Sinyul YANG
  • Publication number: 20140335364
    Abstract: There is provided a heat-ray shielding film mainly composed of polyvinyl acetal resin and capable of exhibiting excellent heat shielding properties, and a heat-ray shielding transparent laminated base material using the heat-ray shielding film, the heat-ray shielding film including: a compound having a heat-ray shielding function; a selective wavelength absorbing material; polyvinyl acetal resin, and a plasticizer; wherein the selective wavelength absorbing material has a transmittance profile in which a transmittance of a light having a wavelength of 550 nm is 90% or more, and a transmittance of a light having a wavelength of 450 nm is 40% or less.
    Type: Application
    Filed: November 21, 2012
    Publication date: November 13, 2014
    Inventors: Kenichi Fujita, Keisuke Machida
  • Patent number: 8883317
    Abstract: 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; and a laminated glass. The intermediate film 1 for laminated glass of the present invention comprises a first layer 2 and a second layer 3 which is laminated on a first surface 2a of the first layer 2, each of the first and second layers 2 and 3 contains a polyvinyl acetal resin and a plasticizer, the absolute value of the difference between SP values of the polyvinyl acetal resin and the plasticizer contained in the first layer 2 is 0.5 or smaller, and the laminated glass of the present invention comprises first and second components for laminated glass and the intermediate layer 1 sandwiched between the first and second components for laminated glass.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: November 11, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Shota Matsuda, Michio Shimamoto, Sinyul Yang, Kohei Kani, Tatsuya Iwamoto
  • Publication number: 20140327958
    Abstract: Provided are a biaxially stretched laminated polyester film and a laminated glass composed of the same. Specifically, the invention is achieved by a biaxially stretched laminated polyester film including 51 layers or more in total, in which a first layer and a second layer are alternately laminated, wherein a polyester (A) constituting the first layer is polyethylene-2,6-naphthalenedicarboxylate; a polyester (B) constituting the second layer is a polyester containing at least one of an ethylene terephthalate component and an ethylene naphthalene dicarboxylate component; an average reflectance within a wavelength range of 400 to 750 nm is not more than 25%; an average reflectance within a wavelength range of 800 to 1,200 nm is 50% or more; and a Young's modulus of the film at 90° C. is 2,400 MPa or more in at least one direction of the longitudinal direction and the lateral direction of the film.
    Type: Application
    Filed: November 28, 2012
    Publication date: November 6, 2014
    Applicant: TEIJIN DUPONT FILMS JAPAN LIMITED
    Inventors: Tomoka Yoshimura, Taro Oya, Mitsumasa Ono, Tetsuo Yoshida
  • Publication number: 20140315028
    Abstract: The present invention provides an interlayer film for laminated glass having a monolayer structure comprising only a first layer or a multilayer structure comprising at least two layers including a first layer and a second layer stacked at least on one face of the first layer, wherein the first layer contains a thermoplastic resin and a first plasticizer represented by the formula (1): and the interlayer film has a monolayer structure or a multilayer structure including at least two layers and includes the first layer further containing a second plasticizer that is a diester compound, or the interlayer film has a multilayer structure including at least two layers and includes the second layer containing a plasticizer and a polyvinyl acetal resin with a hydroxyl content of 25 to 40 mol %.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Etsurou Hirota, Kohei Kani, Tatsuya Iwamoto
  • Publication number: 20140295192
    Abstract: An interlayer film for a laminated glass and a laminated glass, which do not cause an increase in a haze value due to moisture absorption and have excellent moisture resistance are provided. An interlayer film for a laminated glass which contains a polyvinyl acetal resin and a moisture resistance improver is provided.
    Type: Application
    Filed: June 10, 2014
    Publication date: October 2, 2014
    Inventors: Juichi Fukatani, Bungo Hatta
  • Patent number: 8846193
    Abstract: Glass sheets according to the invention, in particular lacquered glass sheets, are covered with a coating of enamel. This coating comprises between 11 and 40% of organic material. Such glass sheets may be heat treated and, before heat treatment, may be handled and transported without damaging the coating, may be cut and ground without causing the coating to peel off or to be damaged at the borders of the cutting line, and offer a good resistance under running water, avoiding the peeling off or destruction of the coating during edges grinding or storage or transportation.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: September 30, 2014
    Assignee: AGC Glass Europe
    Inventors: Ronny Pieters, David Pierre
  • Patent number: 8828549
    Abstract: The present invention provides an interlayer film for laminated glass, that exhibits an excellent sound-insulating performance for solid-borne sound in an environment at or below 0° C. Another object is to provide laminated glass that is obtained using this interlayer film for laminated glass. The present invention is an interlayer film for laminated glass, that has a sound-insulating layer for which a temperature T1, which is the temperature that gives the maximum value of tan ? at a frequency of 1 Hz, is in the range from ?30° C. to 0° C.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: September 9, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Shouta Matsuda, Kozo Nakamura, Michio Shimamoto, Sinyul Yang
  • Publication number: 20140227537
    Abstract: 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.
    Type: Application
    Filed: April 21, 2014
    Publication date: August 14, 2014
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Kohei Kani, Tatsuya Iwamoto
  • Publication number: 20140227536
    Abstract: 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 1 for a laminated glass includes a first layer 2 and a second layer 3 laminated on one face 2a of the first layer 2. Each of the first layer 2 and the second layer 3 contains a polyvinyl acetal resin and a plasticizer. The polyvinyl acetal resin in the first layer 2 is obtained by acetalizing a polyvinyl alcohol resin that has a degree of polymerization exceeding 3000.
    Type: Application
    Filed: April 14, 2014
    Publication date: August 14, 2014
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Tatsuya Iwamoto, Kohei Kani
  • Publication number: 20140227489
    Abstract: There are provided an intermediate film for laminated glass which is high in tear strength, and laminated glass using the intermediate film for laminated glass. The present invention is directed to an intermediate film for laminated glass used for obtaining laminated glass; the intermediate film for laminated glass comprises a laminate in which 10 or more layers of first layers containing a thermoplastic resin are layered; and the laminated glass according to the present invention is provided with first and second components for laminated glass and the intermediate film for laminated glass sandwiched between the first and second components for laminated glass.
    Type: Application
    Filed: August 30, 2012
    Publication date: August 14, 2014
    Inventor: Yoshihiro Inui
  • Patent number: 8795821
    Abstract: Provided is an interlayer for laminated glass which increases sound-insulating properties in a high frequency area in a laminate glass over a wide temperature range. An interlayer film for laminated glass of the present invention includes first, second, and third layers, wherein when a cloud point C1 is measured by using a first liquid containing 100 parts by weight of a first plasticizer and 8 parts by weight of a first polyvinyl acetal resin contained in the first layer, a cloud point C2 is measured by using a second liquid containing 100 parts by weight of a second plasticizer and 8 parts by weight of a second polyvinyl acetal resin contained in the second layer, and a cloud point C3 is measured by using a third liquid containing 100 parts by weight of a third plasticizer and 8 parts by weight of a third polyvinyl acetal resin contained in the third layer, the cloud point C1 is 10° C. or lower; the cloud point C2 is higher than the cloud point C1 by at least 5° C.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: August 5, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang
  • Patent number: 8790784
    Abstract: The present invention provides an interlayer film for laminated glass having a monolayer structure comprising only a first layer or a multilayer structure comprising at least two layers including a first layer and a second layer stacked at least on one face of the first layer, wherein the first layer contains a thermoplastic resin and a first plasticizer represented by the formula (1): and the interlayer film has a monolayer structure or a multilayer structure including at least two layers and includes the first layer further containing a second plasticizer that is a diester compound, or the interlayer film has a multilayer structure including at least two layers and includes the second layer containing a plasticizer and a polyvinyl acetal resin with a hydroxyl content of 25 to 40 mol %.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: July 29, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Etsurou Hirota, Kohei Kani, Tatsuya Iwamoto
  • Patent number: 8784992
    Abstract: An interlayer film for a laminated glass and a laminated glass, which do not cause an increase in a haze value due to moisture absorption and have excellent moisture resistance are provided. An interlayer film for a laminated glass which contains a polyvinyl acetal resin and a moisture resistance improver is provided.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: July 22, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Juichi Fukatani, Bungo Hatta
  • Publication number: 20140199534
    Abstract: The present invention provides an intermediate film for laminated glass which can improve sound insulation. The intermediate film has a layered structure including at least two layers, comprising: a first layer containing a polyvinyl acetal resin and a plasticizer; and a second layer positioned on a first surface of the first layer. In a phase diagram of three values including a degree of acetalization, a degree of acetylation, and a hydroxyl group content of the polyvinyl acetal resin contained in the first layer, the values of the degree of acetalization, the degree of acetylation, and the hydroxyl group content each fall within a region surrounded by a line including four straight lines connecting first, second, third, and fourth coordinates, which respectively have a degree of acetalization:degree of acetylation:hydroxyl group content of 70 mol %:30 mol %:0 mol %, 34 mol %:30 mol %:36 mol %, 94 mol %:0 mol %:6 mol %, and 100 mol %:0 mol %:0 mol %.
    Type: Application
    Filed: March 14, 2014
    Publication date: July 17, 2014
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Kohei Kani, Tatsuya Iwamoto
  • Patent number: 8753747
    Abstract: The present invention provides an interlayer film for a laminated glass capable of suppressing bubble formation and bubble growth even if the laminated glass is exposed to relatively high temperatures for a long time. 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 and a plasticizer, and in the case of measuring the viscoelasticity of the first layer as a resin film (glass transition temperature: Tg(° C.)), or the viscoelasticity of a resin film (glass transition temperature: Tg(° C.)) containing 100 parts by weight the polyvinyl acetal resin in the first layer and 60 parts by weight of triethylene glycol di-2-ethylhexanoate (3GO) as a plasticizer, the resin film has an elastic modulus of G?(Tg+170) at (Tg+170)° C. and an elastic modulus of G?(Tg+30) at (Tg+30)° C., and provides a ratio (G?(Tg+170)/G?(Tg+30)) of 0.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: June 17, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Tatsuya Iwamoto, Ryousuke Komatsu, Kohei Kani, Shogo Yoshida
  • Publication number: 20140150866
    Abstract: Provided is an encapsulant for a solar cell which is highly anticorrosive and can form a solar cell module with a long life. Also provided is an interlayer film for laminated glass, which is highly anticorrosive and can form a laminated glass with long-term durability. The encapsulant for a solar cell or the interlayer film for laminated glass includes a material having a polyvinyl acetal content of 40% by mass or more and a chlorine content of 25 ppm or less and having a plasticizer content of 10 parts by mass or less based on 100 parts by mass of polyvinyl acetal.
    Type: Application
    Filed: June 27, 2012
    Publication date: June 5, 2014
    Applicant: KURARAY CO., LTD.
    Inventors: Shinichi Muguruma, Takashi Mukose
  • Patent number: 8741439
    Abstract: 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.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: June 3, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Michio Shimamoto, Shota Matsuda, Sinyul Yang, Kohei Kani, Tatsuya Iwamoto
  • Patent number: 8741438
    Abstract: Composite glass laminates having low tendency to creep contain a softening agent-containing polyvinyl acetal film wherein the polyvinyl acetal has a polyvinyl alcohol content of 12 to 16 weight percent, a molecular weight greater than 110,000 g/mol, and a solution viscosity of more than 80 mPas.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: June 3, 2014
    Assignee: Kuraray Europe GmbH
    Inventors: Uwe Keller, Martin Steuer
  • Patent number: 8734953
    Abstract: A laminated glazing, containing an assembly containing at least two transparent sheets of inorganic glass or of a strong organic material, joined together by an interlayer of a thermoformable material or by a multilayer foil containing the interlayer. The interlayer comprises an alkyl hydroxyterephthalate luminophore material and an antioxidant additive. The laminated glazing is suitable for information display of the automobile windshield or architectural glazing type.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: May 27, 2014
    Assignee: Saint-Gobain Glass France
    Inventors: Jean Sablayrolles, Alexandra Dekoninck, Michael Labrot
  • Patent number: 8734937
    Abstract: 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 1 for a laminated glass includes a first layer 2 and a second layer 3 laminated on one face 2a of the first layer 2. Each of the first layer 2 and the second layer 3 contains a polyvinyl acetal resin and a plasticizer. The polyvinyl acetal resin in the first layer 2 is obtained by acetalizing a polyvinyl alcohol resin that has a degree of polymerization exceeding 3000.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: May 27, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Tatsuya Iwamoto, Kohei Kani
  • Patent number: 8734955
    Abstract: A transparent laminate is produced by preparing a pair of transparent substrates, forming a sealing portion along the periphery on one of the transparent substrates for sealing a curable resin composition, supplying the curable resin composition in a region on the transparent substrate surrounded by the sealing portion, overlaying the other transparent substrate on the supplied curable resin composition in a reduced pressure atmosphere so that the curable resin composition is sealed as it is sandwiched between the pair of transparent substrates, and subsequently curing the curable resin composition in an atmosphere having a higher pressure than the pressure of the atmosphere in which the composition is sandwiched, to produce the transparent laminate.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 27, 2014
    Assignee: Asahi Glass Company, Limited
    Inventors: Hiroshige Ito, Satoshi Niiyama, Satoshi Kikuchi
  • Patent number: 8722194
    Abstract: It is an object of the invention to provide a plasticized polyvinyl acetal composition that is suitably used for an intermediate film of a laminated glass and other applications, specifically, the polyvinyl acetal composition being characterized in that in cases when a layer that is composed of the polyvinyl acetal composition and another resin layer such as a resin layer of a polycarbonate, a poly(meth)acrylic acid ester, or a styrene thermoplastic elastomer are laminated, the plasticizer does not migrate from the polyvinyl acetal layer. The present invention relates to a polyvinyl acetal composition including 100 parts by mass of a polyvinyl acetal and 0.5 to 100 parts by mass of an ester plasticizer or ether plasticizer that is amorphous or has a melting point of 30° C. or less, and has a hydroxyl value of 15 to 450 mgKOH/g.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: May 13, 2014
    Assignee: Kuraray Co., Ltd.
    Inventors: Yoshiaki Asanuma, Koichiro Isoue