Sekisui Chemical Co., Ltd.

Masako Okamoto

Yasuyuki Izu

Kouhei Yamaguchi

Kazuhiro Okada

Akinobu Hayakawa

Naohiro Fujinuma

Takehiko Ushimi

Tetsuya Kurebayashi

Provided are a polyol composition in which hard caking does not occur when stored for a long period of time, and a polyurethane foam using the same. The polyol composition comprises a polyol compound, a foaming agent, a filler, and a metal oxide fine particle, the foaming agent including a hydrofluoroolefin, and the metal oxide fine particle having a count number ratio of OH ions of a metal constituting the metal oxide fine particle with respect to a total count number of all ions measured using time-of-flight secondary ion mass spectrometry of 0.1 or less.

Polyol composition and polyurethane foam

The present invention aims to provide a solar cell that includes a photoelectric conversion layer containing an organic-inorganic perovskite compound and that can exhibit high photoelectric conversion efficiency and high heat resistance. Provided is a solar cell including, in the stated order: a cathode; a photoelectric conversion layer; and an anode, the photoelectric conversion layer containing an organic-inorganic perovskite compound represented by the formula R-M-Xwhere R is an organic molecule, M is a metal atom, and X is a halogen atom or a chalcogen atom, and a polymer having an acid dissociation constant pKa of 3 or less.

Solar cell

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.

Interlayer 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.

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Osaka, Japan

Masako Okamoto