Research Article
Enhanced Thermal Insulation and Flame-Retardant Properties of Polyvinyl Alcohol-Based Aerogels Composited with Ammonium Polyphosphate and Chitosan
Figure 8
SEM images of the PVA composite aerogels: (a) PVA/H3BO3, (b) PVA/5APP-CS/H3BO3, (c) PVA/10APP-CS/H3BO3, and (d) PVA/15APP-CS/H3BO3.
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