Preparation of stable biopolymer composite suspension with metal/metal-oxide nanoparticles

Shih Chen Shi, Jason Hsiao Chun Yang

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

Hydroxypropyl methylcellulose (HPMC) is a kind of biopolymer that is biodegradable, environmentally friendly and possesses exceptional mechanical and tribological properties. Therefore, it could be used as a suitable alternative to plastic. However, HPMC deforms easily when subjected to loads, causing higher real contact area and adhesive force between HPMC and grinding counter. Therefore, HPMC films are easily damaged because of adhesive wear, which negatively affects wear resistance. Hence, nanoparticles (NPs) of Al, Cu, Al2O3 and CuO have been used as fillers to increase the wear resistance of the HPMC composite films. The uniform dispersion of NPs in the suspension is the most important factor, which is greatly related to the wear resistance after film formation. Nanosuspensions with various dispersant concentrations were prepared, and mixed with the HPMC solution to prepare composite solutions and composite films. The results showed that Span 80 could provide steric stabilization, and that it dispersed the NPs effectively in suspension. After mixing the suspension with the HPMC solution, the solution became more stable.

原文English
文章編號2040028
期刊Modern Physics Letters B
34
發行號7-9
DOIs
出版狀態Published - 2020 三月 30

All Science Journal Classification (ASJC) codes

  • 統計與非線性物理學
  • 凝聚態物理學

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