4.8 Article

Laundering Durability of Photocatalyzed Self-Cleaning Cotton Fabric with TiO2 Nanoparticles Covalently Immobilized

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 9, Pages 3697-3703

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/am400304s

Keywords

laundering durability; self-cleaning; TiO2 nanoparticles; radiation induced graft polymerization

Funding

  1. National Natural Science Foundation of China [11175234, 11105210]
  2. Chinese Academy of Sciences [XDA02040300, KJCX2-YW-N49]
  3. Shanghai Municipal Commission for Science and Technology [11ZR1445400, 12ZR1453300]

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Photocatalyzed self-cleaning cotton fabrics with TiO2 nanoparticles covalently immobilized are obtained by cograft polymerization of 2-hydroxyethyl acrylate (HEA) together with the surface functionalized TiO2 nanoparticles under gamma-ray irradiation. The covalent bonds between the TiO2 nanoparticles and cotton fabrics bridged by poly(2-hydroxyethyl acrylate) (PHEA) graft chains is strong enough to survive 30 accelerated laundering circles, equivalent to 150 commercial or domestic launderings.

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