Comparative study of the integral TG methods used in the invariant kinetic parameter method. Application to the fire-retardant polypropyleneS Bourbigot, R Delobel, M Le Bras and D NormandJ. Chim. Phys., 90 (1993) 1909-1928DOI: https://doi.org/10.1051/jcp/1993901909