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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 12    No. 6    December 2002

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Preparation of nano-sized hydrophilic aluminum fins coating materials for air conditioner
CHEN Zhi-ming(陈志明), HAN Feng(韩 峰)1,SHAO Li(邵 利)2

1. Department of Chemistry and Chemical Engineering, Southeast University,
 Nanjing 210096, China;
2. Analytical & Testing Center, Southeast University, Nanjing 210096, China

Abstract:Semicontinuous seeded emulsion copolymerization of acrylic acid, acrylamide and divinylbenzene was carried out at 80℃ with ammonium persulphate as the initiator and the polyether with comb configuration as the emulsifier to prepare approximately mono-dispersed nano-sized polymer particles with average diameter 90nm. The particles were used to combine with special polyether and de-ionized water was added to obtain nano-sized hydrophilic aluminum fins coating materials with solid content of 10%. The aluminum fins were coated with the materials to get the film showing self-assembly properties in some degree. The obtained hydrophilic fins have contact angles <5° with de-ionized water, minimum value 0°, after 4 cycles of wet and dry, contact angles <10° with de-ionized water.

 

Key words:   nano-sized polymer; hydrophilic fins; polyether

ISSN 1672-7029
CN 43-1423/U

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