Synthesis and Polymerization of Naphthoxazines Containing Furan Groups: An Approach to Novel Biobased and Flame-Resistant Thermosets

Figure 6

¹³C NMR of naphthoxazines containing furan groups. (a) Naft-Fu-H, (b) Naft-Fu-Fu, (c) Naft-H-Fu, and (d) Naft-H-Fu (in DMSO-d₆).

(a)

(b)

(c)

(d)