期刊
FIBERS AND POLYMERS
卷 15, 期 6, 页码 1112-1122出版社
KOREAN FIBER SOC
DOI: 10.1007/s12221-014-1112-0
关键词
Soap-free emulsion copolymerization; P(St-MAA) microspheres; Photonic crystals; Structural color; Polyester fabrics
资金
- National Natural Science Foundation of China [51073142]
- Zhejiang Provincial Natural Science Foundation of China [LY13E030004]
- Research Fund for the Doctoral Program of Higher Education of China [20123318120005]
- Zhejiang Provincial Key Innovation Team [2012R10038-02]
- Zhejiang Provincial Top Key Academic Discipline of Chemical Engineering and Technology
- Science Foundation of Zhejiang Sci-Tech University [1201801-Y]
The core-shell monalisperse P(St-MAA) microspheres with different diameters ranging from 200 urn to 400 nm were prepared by soap-free emulsion copolymerization, in which styrene (St) and methacrylic acid (MAA) were polymerizable monomers, and ammonium persulfate (APS) acted as initiator. The diameters and monodispersity of P(St-MAA) microspheres could be controlled by adjusting the concentrations of styrene, methacrylic acid and ammonium persulfate. The core-shell structure and chemical component distribution of the P(St-MAA) microspheres were confirmed by TEM and XPS. The photonic crystals on polyester fabrics with three-dimensionally ordered arrangement were fabricated by self-assembly of gravitational sedimentation with P(St-MAA) microspheres and exhibited brilliant structural colors without any chemical dyes and pigments. SEM, TEM and crystallographic analysis were applied to confirm a face centered cubic (fcc) structure of the photonic crystals on polyester fabrics. The versatile structural colors of the photonic crystals were dependent on the photonic band-gap which could be regulated by the spherical size of P(St-MAA) microspheres and viewing angles. This technology may provide a new strategy to color the fabrics and reduce the pollution in the current textile industry.
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