Synthesis and Characterization of New Optically Active Poly (ethyl L-lysinamide)s and Poly (ethyl L-lysinimide)s

Table 1

Thermal behavior of polymers.

Polymer	Decomposition temperature (∘C) 𝑇5%^a	Decomposition temperature (∘C) 𝑇10%^b	Char yield (%)^c
PI1	240	310	5.2
PI2	225	300	6.4
PI3	230	335	7.0
PA4	280	350	3.4
PA5	265	345	2.5

^aTemperature at which 5% weight loss was recorded by TGA at a heating rate of 10∘C/min under air atmosphere. ^bTemperature at which 10% weight loss was recorded by TGA at a heating rate of 10∘C/min under air atmosphere. ^cPercentage weight of material left after TGA analysis at maximum temperature 600∘C under air atmosphere