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ID 113968
Author
Fujii, Kohei Tokushima University
Dong, Yu Curtin University
Keywords
halloysite
clay
poly(vinyl alcohol)
acid
etching
Content Type
Journal Article
Description
Halloysite nanotube (HNT) is a natural clay mineral with a hollow and tubular structure, which can be a potential reinforcement for biodegradable polymers such as poly(vinyl alcohol) (PVA). This study investigates the improvement of interfacial adhesion between HNT and PVA by means of controlled acid etching on HNT surfaces. Such an improvement is attributed to a porous structure with rough HNT surfaces in that acid favors the dissolution of AlO6. The strength of PVA/HNT nanocomposites increased up to 10% when HNT were subjected to 1 h acid treatment. However, the reinforcement effect could have been more pronounced if HNT aspect ratio were maintained during the composite fabrication process.
Journal Title
Journal of Functionally Graded Materials
ISSN
21883807
Publisher
Functionally Graded Materials FORUM of Japan
Volume
33
Start Page
16
End Page
22
Published Date
2019-03-08
EDB ID
DOI (Published Version)
URL ( Publisher's Version )
FullText File
language
eng
TextVersion
Publisher
departments
Science and Technology