BigPatents India

Process for developing and selecting at least one combination from a group of polymerization catalysts and from a group of sets of polymerization conditions according to the targeted values of one or more properties Pi of the resulting polymers, which process comprises the following stages: synthesizing a group of polymerization catalysts, manufacturing a group of polymers by combination from the group of polymerization catalysts and from the group of the sets of polymerization conditions, which comprises, for each polymer, bringing a polymerization catalyst from the group of polymerization catalysts into contact with at least one monomer while using a set of polymerization conditions from the group of the sets of polymerization conditions, isolating a portion or all of each polymer, analyzing the said polymers by gas chromatographic pyrolysis, comprising: thermal decomposition of the polymers, passing the resulting pyrolysis gases into one or more gas chromatography columns and digital acquisition of the programs, evaluating, from the programs, at least one property Pi of the polymer by virtue of correlations drawn up beforehand between the property or properties Pi of the polymers and programs of the said polymers, and selecting at least one combination among the combinations prepared from the group of the polymerization catalysts and from the group of the sets of polymerization conditions, by comparison of the properties Pi with their targeted values. (FIG.)nil