An improved general kinetic analysis of non-linear irreversible polymerisations

• Tipo: Artigo em Revista Científica Internacional
• Data: 2005

Autores

costa, mrpfn (Autor) FEUP; dias, rcs (Autor) Outra

Revista

Título: Chemical Engineering Science

Vol. 60

Páginas: 423-446

ISSN: 0009-2509

Editora: Elsevier

Indexação

ISI Web of Knowledge - 28 Citações

Scopus - 26 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia química

Outras Informações

ID Authenticus: P-000-5B9

DOI: 10.1016/j.ces.2004.07.125

Abstract (EN): A method to predict average molecular weights before and after gelation for general irreversible non-linear polymerisations forming tree-like molecules is described. Recently developed numerical methods for solving two point boundary value problems are essential for the success of these calculations after gelation and open the way to eventually be able to efficiently predicting chain length distributions. Anionic and free-radical polymerisation of vinyl monomers in the presence of divinyl monomers or with transfer to polymer are taken as case studies. Comparison to experimental data and with simulation results obtained through "numerical fractionation" confirms the usefulness of current approach.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 24