Preparation of superhydrophobic and UV blocking cotton fabric via sol-gel method and self-assembly

Chengyu Pan, Li Shen, Songmin Shang, Yanjun Xing

Research output: Journal article publicationJournal articleAcademic researchpeer-review

71 Citations (Scopus)


Superhydrophobic surface has been successfully prepared on cotton substrates with inexpensive and ordinary raw materials, Al(NO3)3and sodium stearate (C17H35COONa). Such surfaces were obtained first by dip-coating the nano-Al sol, then the surface of the Al coating was modified with sodium stearate, to gain a thin film through self-assembly. The wettability of treated fabrics was characterized by water contact angle, spray test and hydrostatic pressure test. The results showed that the cotton fabrics treated with 1.5% Al sol and 20 mmol/L sodium stearate showed excellent hydrophobic properties and UV protection efficiency, water contact angle could reach 146.27° and the UPF value was 164.06 (UPF rating 50+). The morphology and surface roughness were characterized by SEM and AFM. The interaction between sodium stearate and Al coating was elucidated by XPS.
Original languageEnglish
Pages (from-to)110-117
Number of pages8
JournalApplied Surface Science
Publication statusPublished - 15 Oct 2012


  • Cotton
  • Self-assemble
  • Sol-gel
  • Superhydrophobicity
  • UV-blocking

ASJC Scopus subject areas

  • Surfaces, Coatings and Films


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