International Journal of Polymer Science / 2016 / Article / Tab 3

Research Article

Synthesis of Poly(styrene-acrylates-acrylic acid) Microspheres and Their Chemical Composition towards Colloidal Crystal Films

Table 3

Reflection peak position of photonic crystals films, particle diameter predicted by Bragg’s law, and DLS measurements.

Sample IDComonomerMolar ratio
Sty : comonomer : AA
Reflection peak
(nm)
Particle diameter by Bragg’s law (nm)  (nm)

Rx-42IOA73 : 23 : 4512220255
Rx-29EHA67 : 21 : 13528226250
Rx-69HA65 : 30 : 5554238252
Rx-56HA74 : 21 : 5565241260
Rx-61BA68 : 18 : 14555220255

Molar ratio of comonomers in the microsphere by 1H-NMR.
Determined by reflectance spectrometer.
Determined using Bragg’s equation [15].
Determined by DLS.

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