Science Record, 01. 01. 1959., S. 22

07234 5678 9 0 i 12 13 {4 Time (hr.) Fig. 3. Reactions of equivalent quantity ratio of dibasic acids and 1, 4-butylene glycol at 150°C.

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@ —— suberic acid; © —azelaic acid; O

adipic acid; ©

sebacic acid.

succinic acid; © pimelic acids

glutaric acid; ©