The rate constants of the natural degradation processes of low density polyethylene and polypropylene films have been calculated on the basis of the molecular weights of weathered samples. Moreover, the optical densities, obtained by means of IR spectroscopy, indicate that the formations of carbonyl and vinyl groups are zero‐order reactions.
No takes yet. Share an insight, caveat, or question.
Severini et al. (1991) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: