Science Record

Time (hr.)

Fig. 5 Reactions of equivalent quantity ratio of dibasic acids and 1, 6-hexamethylene glycol at 150°C.

© —— succinic acid; @

glutaric acid; © @——-adipic acid; ©@-—~pimelic acid;

®—— suberic acid; © ——azelaic acid; O sebacic acid,