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Citation: YIN Peng-Gang, SHI Wei-Cang, ZHANG Yun-Hong, LI Qian-Shu. Self-assembling Monolayers for Anti-moisture Absorption of Ammonium Nitrate[J]. Chinese Journal of Applied Chemistry, ;2000, 17(2): 186-188. shu

Self-assembling Monolayers for Anti-moisture Absorption of Ammonium Nitrate

1.
School of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing 100081

Received Date: 13 September 1999
Available Online: 6 December 1999
Fund Project: 兵器工业总公司预研基金资助课题(YJ96502) (YJ96502)

The octadecylamine was selected as a monolayer-forming material and xylene as a solvent to increase the surface energy of ammonium nitrate. After monolayer self-assembling through hydrogen bonding, Coulomb's force and polarization action on the interface of xylene/ammonium nitrate, the octadecylamine at a concentration of 2×10^-4 mol/L in xylene can be considered to be self-assembled on the surface of ammonium nitrate. The moisture absorption of the ammonium nitrate after surface modification has only 58% of that of the pure ammonium nitrate.
- surfactant,
- self-assembling,
- ammonium nitrate,
- anti-moisture absorption
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