Biodegradation of Polyethylene Composites Based on Starch and Ultra-Disperse Metal Particles

Abstract

This paper presents a modification of biodegradable polymers with highly-disperse metals, for example Fe/FeO or Fe₂O₃ (Z), with nano-sized particles. During the course of the work, biodegradable polyethylene composites with the composition PE-276 + Z + starch (Z = 0.1% by wt, starch from 2.5 to 10% by wt) were produced. Studies were made of the rheological and deformation/strength characteristics of the composites produced. A regular relationship was identified between the rate and extent of biodegradation and the percentage starch content in the composites.

Keywords

Biodegradation biodegradable composites starch ultra-disperse metal particles rupture stress melt fluidity factor (MFF)

References

Biorazlagaemye polimery: svoistva, prakticheskoe ispol'zovanie, utilizatsiia [Biodegradable polymers: properties, practical use and disposal]. I.N. Gogotov. Ekologiia i promyshlennost' Rossii [Environment and industry in Russia], October 2007, p. 16–19.

Vasnev

V.A.

Biodegradable polymers. Vysokomolekul. Soed. B., 1997, 39, 12, 2073–2086.

Lomakin

S.M.

, Dubnikova

I.L.

, Berezina

S.M.

, Zaikov

G.E.

Thermal breakdown and combustion of polypropylene nanocomposites based on organically modified laminar aluminosilicate. Vysokomolekul. Soed. A., 2006, 48, 1, 90–105

Beslaneeva

Z.L.

, Sherieva

M.L.

, Mashukov

N.I.

, Shustov

G.B.

Perspektivy sozdaniia bioaktivnykh polietilenovykh kompozitov na osnove krakhmala i ul'tradispersnykh metallicheskikh chastits [Prospects for the creation of bio-active polyethylene composites based on starch and ultra-disperse metal particles]. Proceedings of the Scientific and Practical Conference “New Polymer Composite Materials”, Nal'chik, 2008, p. 78–81.