Analysis of Terpolymerization Systems for the Development of Carbon Fiber Precursors of PAN

Table 1

Variables and tested values for the experimental design of terpolymerization systems.

Variable		Level 1	Level 2
A	Temperature (°C)	50	60
B	Ratio initiator/MT^a (wt %)	0.01	0.02
C	Ratio solvent/MT (wt %)	3	5
D	Comonomer/MT (wt %)	5	10
E	Termonomer/MT (wt %)	1	3
F	Comonomer type	VA	MA
G	Termonomer type	IA	BA
H	Reaction time (h)	1	2
I	Stirring rate (rpm)	250	350

^aMT: total monomers.