Table II.

Solubility Parameters by Hoy Method

No. of groups	Group	vF t	V	n × F t	n × V
11	–CH2–	269	15.55	2,959	171.05
1	–CH<	176	9.56	176	9.56
1	=C<	173	7.18	173	7.18
1	>C=O	538	17.3	538	17.3
4	=N–	125	12.6	500	50.4
1	–NH–	368	11.0	368	11.0
1	–O–	235	6.45	235	6.45
3	CHar	241	13.42	723	40.26
3	Car	201	7.42	603	22.26
	∑			6,270	335.46
Base (B) = 277