Biodegradable Polymers for Microencapsulation Systems

Figure 48

Release of coumarin 1 dye under different solvent conditions for polyamide capsules prepared with (a) 3 : 1 triazine 2:DETA and (b) 1 : 1 triazine 2: DETA. (c) Control experiments: 1 : 1 triazine 2: DETA with terephthaloyl chloride. Uncertainty represents standard deviation of three measurements [142].

(a)

(b)

(c)