Rapid Fabrication of Periodic Patterns on Poly(styrene-co-acrylonitrile) Surfaces Using Direct Laser Interference Patterning

Table 2

FTIR spectroscopy absorption of the more relevant bands of polymers.

Wavenumber	Assignment	Polymer
cm^−1
907	Aliphatic C–H wag band	PAN, PS, SAN
1028	Phenyl ring in plane C–H bending vibration band (I)	PS, SAN
1071	Phenyl ring in plane C–H bending vibration band (II)	PS, SAN
1597	Quadrant stretching of the phenyl ring C=C	PS, SAN
2228	CN bond stretching	PAN, SAN