Table 3: Order of depolymerization of nylon-6,6 waste (method 1).

Heating timeDBHMD/gAmount of reacted nylon waste/gAmount of unreacted nylon waste/g Difference in successive Difference in successive 1/Difference in successive 1/

0 min30.41141.09860.14750.33−0.56
30 min0.5890.41142.58860.6790.95110.29460.386−0.138
60 min1.5621.09111.90890.23680.64650.13250.524−0.74
90 min1.9011.32791.67210.83820.51410.69570.598−0.601
120 min3.1012.16610.8339−0.20890.18160.13971.1990.24
150 min2.8021.95721.04280th order0.04191st order0.9592nd order