Printability and Properties of Conductive Inks on Primer-Coated Surfaces

Table 3

Identified FTIR bands of the commercial primers and conductive inks.

Functional group (wavenumber)	Intensity
	Pr_1m	Pr_2m	Pr_3s	Pr_4s	I_g	I_m1	I_m2	I_p
^b CH2 (3200-2700 cm^-1)	Weak	Weak	Med^a	Med	Med	Med	Med	Weak
N=C=O (2275-2250 cm^-1)	Weak	Weak	Weak	—	—	Weak	Weak	—
C=O (1750-1700 cm^-1)	Strong	Strong	Strong	Strong	Strong	Med	Strong	Weak
C=O (urethane) (1690-1680 cm^-1)	Weak	Weak	Weak	—	—	—	—	—
Ph (1600 cm^-1)	Weak	Weak	Weak	Weak	Weak	Weak	Weak	—
CN and NH (1550-1500 cm^-1)	—	Weak	Weak	Med	Med	—	Med	—
C(=O)O and ^c =CH (1260-1150 cm^-1)	Strong	Strong	Strong	Strong	Weak	Weak	Med	—
O-C and =CH (1125-1020 cm^-1)	Weak	Weak	Med	Med	Weak	Strong	Strong	Weak
Si-O (1100-900 cm^-1)	Strong	Strong	—	—	—	—	—	—
^d Ph (900-670 cm^-1)	Strong	Med	Med	Med	Weak	—	Weak	Weak

^aMedium intensity. ^bStretching. ^cIn-plane deformation. ^dOut-of-plane deformation.