Structural and acoustic properties of transparent chitosan aerogel
S Takeshita, S Akasaka, S Yoda - Materials Letters, 2019 - Elsevier
S Takeshita, S Akasaka, S Yoda
Materials Letters, 2019•ElsevierThe first report on acoustic absorption properties of transparent biopolymer aerogel is
provided. Cross-linked chitosan aerogel prepared by supercritical carbon dioxide drying has
a homogeneous nanofibrous structure with mesopores, the major size of which decreases
from∼ 45 to∼ 20 nm with increasing apparent density. The aerogel shows peak-shaped
sound absorption profiles, regardless of the density. This absorption is attributable to sample
vibration reflecting an extremely high flow resistivity of the mesoporous structure.
provided. Cross-linked chitosan aerogel prepared by supercritical carbon dioxide drying has
a homogeneous nanofibrous structure with mesopores, the major size of which decreases
from∼ 45 to∼ 20 nm with increasing apparent density. The aerogel shows peak-shaped
sound absorption profiles, regardless of the density. This absorption is attributable to sample
vibration reflecting an extremely high flow resistivity of the mesoporous structure.
Abstract
The first report on acoustic absorption properties of transparent biopolymer aerogel is provided. Cross-linked chitosan aerogel prepared by supercritical carbon dioxide drying has a homogeneous nanofibrous structure with mesopores, the major size of which decreases from ∼45 to ∼20 nm with increasing apparent density. The aerogel shows peak-shaped sound absorption profiles, regardless of the density. This absorption is attributable to sample vibration reflecting an extremely high flow resistivity of the mesoporous structure.
Elsevier
以上显示的是最相近的搜索结果。 查看全部搜索结果