Sekisui Chemical Co., Ltd.

Kouhei Yamaguchi

Yasuyuki Izu

Masaki Yamamoto

Kazuhiko Nakayama

Juichi Fukatani

Yuusuke Oota

Daisuke Nakajima

Izumi Matsumoto

Masako Okamoto

Masaki Matsudou

Ryuta Tsunoda

Isao Higuchi

Koji Kido

Moyuru Okajima

Sho Fujioka

There is provided an interlayer film for laminated glass which is high in heat shielding properties. The interlayer film for laminated glass according to the present invention includes an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin, and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher by 10% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.

Intermediate film for laminated glass, laminated glass and method for fitting laminated glass

Glass sheet

There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention includes a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members, the interlayer film includes an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin, and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher by 15% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the second laminated glass member and the second resin layer.

Laminated glass and method for fitting laminated glass

There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared. The interlayer film for laminated glass according to the present invention is provided with a dark color part, a gradation part and a transparent part, allows laminated glass prepared with two sheets of clear glass to have a parallel light transmittance in a portion of the dark color part less than or equal to 30%, allows the parallel light transmittance in a portion of the gradation part to be continuously increased from the dark color part side to the transparent part side, allows the laminated glass to have a parallel light transmittance in a portion of the transparent part greater than or equal to 60%, allows each of the dark color part, the gradation part and the transparent part to have a first resin layer and allows each of the dark color part and the gradation part to have a second resin layer or allows each of the dark color part, the gradation part and the transparent part to have a second resin layer and allows each of the gradation part and the transparent part to have a first resin layer, and furthermore, allows the thickness of the second resin layer in the gradation part to be continuously decreased from the dark color part side to the transparent part side.

Laminated-glass interlayer and laminated glass

There is provided an interlayer film for laminated glass with which the adhesive force between the interlayer film and a laminated glass member of the laminated glass can be effectively improved. The interlayer film for laminated glass according to the present invention has one-layer structure or a two or more-layer structure, is provided with a first layer containing a thermoplastic resin, a plasticizer and a metal element as a surface layer of the interlayer film, and the first layer is a first layer having a contact angle of greater than 40.1&#xb0; when measured by a sessile drop method using diiodomethane or a first layer having a contact angle of greater than 54.2&#xb0; when measured by a sessile drop method using ethylene glycol.

Intermediate film for laminated glass, method for manufacturing intermediate film for laminated glass, and laminated glass

There is provided an interlayer film for laminated glass with which the processability at the time of preparation of laminated glass can be enhanced, furthermore, a large broken piece of glass is hardly generated even when laminated glass is broken, and laminated glass can have a high level of safety. The interlayer film for laminated glass according to the present invention includes a plastic layer with a Young's modulus of higher than or equal to 1 GPa and a first resin layer layered on a first surface of the plastic layer, is provided or not provided with a second resin layer layered on a second surface opposite to the first surface of the plastic layer, has the Young's modulus of the plastic layer higher than the Young's modulus of each of the first and second resin layers, and has an adhesive force between the plastic layer and each of the first and second resin layers measured in accordance with JIS K6854-2 of greater than or equal to 1 N/50 mm and less than or equal to 20 N/50 mm.

Interlayer film for laminated glass, method for manufacturing interlayer film for laminated glass, and laminated glass

There is provided an interlayer film for laminated glass with which protrusion of an interlayer film portion in the TD direction can be suppressed at the time of producing laminated glass. In the interlayer film for laminated glass according to the present invention, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as &#x394;nMDA, &#x394;nMDB, and &#x394;nMDC, respectively, &#x394;nMDA, &#x394;nMDB, and &#x394;nMDC each are 0.25&#xd7;10or less.

Interlayer for laminated glass and laminated glass

There is provided an interlayer film for laminated glass with which the adhesivity between a plastic layer and a resin layer can be heightened and the handling properties of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes a plastic layer with a Young's modulus of higher than or equal to 1 GPa and a first resin layer layered on a first surface of the plastic layer, and is provided with a second resin layer layered on a second surface opposite to the first surface of the plastic layer or is provided with no second resin layer on a second surface opposite to the first surface of the plastic layer, and when a first lamination interface between the plastic layer and the first resin layer on a section in the thickness direction of the interlayer film is observed, the proportion of the length of a portion, which is not brought into contact with the first resin layer, of the plastic layer in the first lamination interface to 100% of the whole length of the plastic layer in the first lamination interface is less than or equal to 75%.

Intermediate film for laminated glass, and laminated glass

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 Ratios 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 valueof 10 values of Ratiomeasured within a range of 1&#x2264;n&#x2264;10, an average valueof 10 values of Ratiomeasured within a range of 11&#x2264;n&#x2264;20, an average valueof 10 values of Ratiomeasured within a range of 21&#x2264;n&#x2264;30, an average valueof 10 values of Ratiomeasured within a range of 31&#x2264;n&#x2264;40, and an average valueof 10 values of Ratiomeasured within a range of 41&#x2264;n&#x2264;50, among these five average values, the average value indicating the smallest value is the average valueor the average valueand the average value indicating the largest value is the average value, the average value, or the average value.

There are provided a plastic sheet making the inter-layer peeling in laminated glass become difficult to occur, and furthermore, being capable of enhancing the penetration resistance of laminated glass, and an interlayer film for laminated glass prepared therewith. The plastic sheet used for an interlayer film for laminated glass according to the present invention is a plastic sheet used for an interlayer film for laminated glass and has a first surface and a second surface opposite to the first surface which are coated with a surface treatment agent or modified by a surface treatment so that the wetting tension of each of the first surface and the second surface is greater than or equal to 40 mN/m.

Plastic sheet, method for manufacturing plastic sheet, interlayer film for laminated glass, and laminated glass

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 Ratios 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 valueof 10 values of Ratiomeasured within a range of 1&#x2264;n&#x2264;10, furthermore, after the interlayer film is heated for 0.5 hours at 150&#xb0; C., a process composed of sputtering and measurement by TOF-SIMS is performed q times, and q Ratios of Ion Intensity of Magnesium/Ion Intensity of Thermoplastic Resin obtained from the first to q-th sputtering and measurement processes are collected to calculate an average valueof 10 values of Ratiomeasured within a range of 1&#x2264;q&#x2264;10, the average valueis smaller than the average value.

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 Ratios 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 valueof 10 values of Ratiomeasured within a range of 1&#x2264;n&#x2264;10 and an average valuevalues of Ratiomeasured within a range of 1&#x2264;n&#x2264;150, the average valueis more than 1.1 times the average value.

There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared. The interlayer film for laminated glass according to the present invention includes a first resin layer containing a thermoplastic resin and a plasticizer and a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, and the first resin layer being arranged on a first surface side of the second resin layer, wherein a gradation part being a region where the parallel light transmittance is greater than 30% and less than 60% and being a region where the thickness of the second resin layer is continuously decreased in the direction orthogonal to the thickness direction of the interlayer film at the time of preparing the laminated glass exists, and the complex viscosity at 200&#xb0; C. of the second resin layer is greater than or equal to 0.7 times and less than or equal to 2 times the complex viscosity at 200&#xb0; C. of the first resin layer.

Growing community of inventors

Kouka, Japan

Kouhei Yamaguchi