Effect of reactive additives on the properties of polypropylene/ unsaturated polyester blends

Document Type

Conference Proceeding

Publication Date

10-14-2003

Abstract

Reactive melt modification of a low molecular weight unsaturated polyester (UP) and its blends with polypropylene (PP) were studied. The rheological and morphological properties of the polyester and its blends can be greatly improved not only by adding a peroxide to initiate competing reactions within the blend components that would lead to compatibilization, but also by some organic and inorganic additives such as coagents and alkaline earth metal oxides which can generate ionic crosslinking of the polyester. Extrusion process conditions are discussed along with DSC, FTIR, SEM and other characterization methods utilized to investigate the structure of the modified products.

Identifier

0141505045 (Scopus)

Publication Title

Annual Technical Conference ANTEC Conference Proceedings

First Page

1503

Last Page

1507

Volume

2

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