Itaconic acid grafting on LDPE blended in molten state

Abstract

Grafting of itaconic acid on low density polyethylene in the molten state has been investigated. Static and dynamic mixers assembled on the Brabender plastograph have been used as a blender of reagents and as a chemical reactor. Shear rates were 50 and 100 s−1. Dicumyl peroxide; 2,5-dimethyl-2,5-di-(tert-butylperoxy)hexane; 2,2-di-(tert-butyl-peroxy)-5,5,6-trimethylbicyclo-[2,2,1]-heptane; 2,2-di(3-methyl-1-butyne-3-peroxy)-5,5,6-trimethylbicyclo[2,2,1]heptane; 2,5-dimethyl-2-hydroxy-5-tert-butylperoxy-3-hexyne were used as peroxide initiators of grafting. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 65:1493–1502, 1997