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Functionalisation of Polypropylene with Maleic Anhydride and Acrylic Acid for Compatibilising Blends of Polypropylene with Poly(ethylene terephthalate)

✍ Scribed by Oromehie, A. R.; Hashemi, S. A.; Meldrum, I. G.; Waters, D. N.

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
254 KB
Volume
42
Category
Article
ISSN
0959-8103

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✦ Synopsis

This paper reports an investigation of the functionalisation of polypropylene with polar monomers as an interfacial stabiliser for mixtures of poly-oleÐns with polyesters. Polypropylene was functionalised with maleic anhydride and acrylic acid in the presence of dicumyl peroxide. The reaction was carried out in the molten state using a preheated batch Haake Rheometer mixer under conditions which were expected from literature studies to be optimal. The e †ects of varying the concentrations of the monomers on the degree of functionalisation and properties of the products were investigated. An upper limit of only a few per cent of functionalisation was observed. Slow degradation was observed at melt processing temperatures.

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