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Polyurethanes are among the most versatile polymers because of the wide range of monomers, particularly diols or polyols, that can be utilized in their synthesis. This Review focuses on the most recent advances made in the production of polyurethane materials from vegetable oils. Over the past several years, increasing attention has been given to the use of vegetable oils as feedstocks for polymeric materials, because they tend to be very inexpensive and available in large quantities. Using various procedures, a very broad range of polyols or diols and in some cases, poly- or diisocyanates, can be obtained from vegetable oils. The wide range of vegetable oil-based monomers leads to a wide variety of polyurethane materials, from flexible foams to ductile and rigid plastics. The thermal and mechanical properties of these vegetable oil-based polyurethanes are often comparable to or even better than those prepared from petroleum and are suitable for applications in various industries.
Department of Chemistry, Iowa State University, Ames, IA 50011 (USA), Fax: (+1) 51-52-94-01-05.
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Chitin and chitosan are amino polysaccharides having massive structural propensities to produce bioactive materials with innovative properties, functions and diverse applications particularly in biome...
Circulating blood carotenoids have long been accepted as the most accurate biomarker of total fruit and vegetable intake. Recent technological developments have led to a novel optical detection method...
Despite advances in medical care, preterm infants remain at risk for many adverse outcomes. This article reviews findings from several recent neonatal ICU (NICU) interventions and a trial of a novel n...
A behavioural sensory task was undertaken to further understanding into whether children's sensory evaluation of a new vegetable is associated with tasting and food neophobia scores. A sample of ninet...
The recent advances in electrocatalysis for oxygen reduction reaction (ORR) for proton exchange membrane fuel cells (PEMFCs) are thoroughly reviewed. This comprehensive Review focuses on the low- and ...
The purpose of the investigators study is to investigate the impact of a commercial vegetable juice on dietary vegetable intake and select cardiovascular risk factors in a generally health...
Encouraging individuals to eat fruit and vegetables is difficult. However, recent evidence suggests that using social-based information might help. For instance, it has been shown that if ...
The purpose of this study is to see if perceived barriers to vegetable consumption can be overcome by making it easier for people eat more vegetables and to see if the effects last over ti...
Exchange of the butter, eggs, cheese and meat in the Atkins diet for soy protein foods, other vegetable proteins including gluten and vegetable fats, nuts, avocado, olive and canola oil wi...
This is a randomized controlled trial to assess the impact of a novel fruit and vegetable mobile phone application on fruit and vegetable intakes, knowledge and attitudes.
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