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capítulos de libros
Título:
Vegetable Oil - Based Polymers and Lignocellulosic Derived Composites
Autor/es:
M. I. ARANGUREN; N. E. MARCOVICH; M. A. MOSIEWICKI
Libro:
Green Composites: Properties, Design and Life Cycle Assesment
Editorial:
Nova Science Publishers, Inc.
Referencias:
Año: 2010; p. 99 - 118
Resumen:
M. Aranguren, N. Marcovich, M. Mosiewicki,, Chapter 5, "Vegetable Oil - Based Polymers and Lignocellulosic Derived Composites", in: "Green Composites: Properties, Design and Life Cycle Assesment", Editor: François Willems and Pieter Moens, Nova Science Publishers, Inc., pp.99-118 (Páginas Totales: 218) Publication date: 2010, 1st quarter, ISBN: 978-1-60741-301-1.
Abstract
The growing environmental concerns together with the reduction of petroleum
resources have been a motor for revitalizing the interest in using raw materials from
renewable resources. Among those, vegetable oils constitute a valuable renewable source.
Their chemical modification is a promising alternative to substitute (at least partially)
petrochemical materials used in polymer formulations. In this chapter, the focus will be
on the use of castor and tung oils for synthesizing polyols for the polyurethane industry.
The polymers derived from these polyalcohols present different properties depending on
the vegetable sources, synthesis path for the polyol, additives, etc., and thus,
polyurethanes can be produced to fit the requirements of different applications. The
addition of lignocellulosic reinforcements like wood flour or plant fibers noticeably affect
the properties of the polyurethanes due to the strong interaction that these
fillers/reinforcements develop with the polar polyurethane matrix. The biocomposites
prepared from the bio-based polymers and biofillers/biofibers can be a useful alternative
to substitute synthetic composites (from solid composites to filled foams) reducing the
environmental impact usually associated to traditional polymers. The physical, thermal
and mechanical properties of the neat polyurethanes and derived composites are
presented and analyzed in this chapter.