Prediction of mean square radius of gyration of tree-like polymers by a general kinetic approach

Costa, Mário Rui; Dias, Rolando

http://hdl.handle.net/10198/342

Use this identifier to reference this record.

Name:	Description:	Size:	Format:
POLYMER07.pdf		667.56 KB	Adobe PDF	Download

Send Feedback

Authors

Costa, Mário Rui

Dias, Rolando

Abstract(s)

This paper describes a kinetic method to predict the z-average molecular mean square radius of gyration of tree-like polymers formed by irreversible reactions, assuming Gaussian chains. It is based on the population balance equations for the two-sided molecular distributions of pendant chains associated with every chemically distinguishable kind of bonds. An automated method for the solution of those equations is valid both before as well as after gelation for complex kinetic schemes. Examples of its use are presented with polycondensation systems leading to hyperbranched polymers, the anionic polymerization of mono- and divinyl monomers and a radical polymerization with terminal branching and transfer to polymer.

Keywords

Radius of gyration Branching Kinetic

URI

http://hdl.handle.net/10198/342

Citation

Costa, Mário; Dias, Rolando (2007). Prediction of mean square radius of gyration of tree-like polymers by a general kinetic approach. Polymer. ISSN 0032-3861. 48:6, p.1785-1801