Asahi Kasei Kabushiki Kaisha

Asahi Kasei Chemicals Corporation

Toyo Corporation

Naoki Azuma

Tetsuya Nakamura

Tetsuo Nakamoto

Kazunori Kozawa

Congbing Li

Kohei Okumura

Kazu Kitagawa

Nozomu Miura

The present disclosure provides a laminated structure with a through hollow structure having heat insulation, a light weight, durability, and sound absorption performance to reduce wind noise, transmitted noise, and the like. The laminated structure of the present disclosure has a foamed resin layer having continuous pores containing fused resin foam particles, and an air-impermeable outer layer provided on one side of the foamed resin layer, where a part of the foamed resin layer of the laminated structure cut out with a diameter of 41.5 mmϕ has an amount of air permeability of 2.5 cm/(cm·s) to 40 cm/(cm·s) measured by the Frazier method in which the foamed resin layer is set as an air introduction side.

Laminated structure

An analysis system includes inference processer circuitry configured to infer a corresponding classification by inputting part of frequency spectrum data corresponding to reference measurement data to a learned model having learned a relation between part of frequency spectrum data corresponding to sample measurement data and a classification related to noise corresponding to the part, causal component identification processer circuitry configured to identify causal component data of noise from a component data list based on the inferred classification, and a presentation information generator configured to generate presentation information for a user based on the causal component data.

System, device, method, and program for analysis

A methacrylic resin comprising 80 to 98.5 wt % of methyl methacrylate monomer unit and 1.5 to 20 wt % of at least one different vinyl monomer unit copolymerizable with methyl methacrylate, characterized in that the methacrylic resin has a weight average molecular weight measured by gel permeation chromatography (GPC) of 60,000 to 230,000 and comprises 7 to 30% of a component having a weight average molecular weight of &#x2155; or less of a peak weight average molecular weight (Mp) obtained from a GPC elution curve based on the methacrylic resin component.

Methacrylic resin and process for producing thererof

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Tokyo, Japan

Naoki Azuma