Table 6.

Differential scanning calorimetry of the samples after exposure in the soil.

Samples after Exposure in the Soil	Tm, °C	ΔH, J/g	χ, %	Tm, °C	ΔH, J/g	χ, %	Tm, °C	ΔH, J/g	Tm, °C	ΔH, J/g
	First Heating			Second Heating			First Cooling		Second Cooling
LDPE 100	107.3	74.59	25.46	104.8	60.41	20.62	91	80.79	90.8	89.05
LDPE/NR 90/10	105.1	66.87	22.82	105	53.79	18.36	90.7	75.36	91.1	76.06
LDPE/NR 70/30	103.7	56.66	19.34	104.7	49.9	17.03	91.3	62.02	91.3	57.31
LDPE/NR 50/50	105.4	55.52	18.95	104.2	48.17	16.43	91.5	61.35	91.4	57.2