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Biodegradable Polymers and Plastics
Synthetic and semi-synthetic polymeric materials were originally developed for their durability and resistance to all forms of degradation including biodegradation. Such materials are currently widely accepted because of their ease of processability and amenability to provide a large variety of cost effective items that help to enhance the comfort and quality of life in the modern industrial society. However, this widespread utilization of plastics has contributed to a serious plastic waste burden, and the expectation for the 21st century is for an increased demand for polymeric material. This volume focuses on a more rational utilization of resources in the fabrication, consumption and disposal of plastic items, specifically: -Environmentally Degradable Polymeric Materials (EDPs); -Water-soluble/Swellable Biodegradable Polymers; -EDPs from Renewable Resources; -Biopolymers; -Bioresorbable Materials for Biomedical Applications; -Biorelated Polymers; -Standards and Regulations on EDPs.
Native Sons
For much of the twentieth century, France recruited colonial subjects from sub-Saharan Africa to serve in its military, sending West African soldiers to fight its battles in Europe, Southeast Asia, and North Africa. In this exemplary contribution to the "new imperial history," Gregory Mann argues that this shared military experience between France and Africa was fundamental not only to their colonial relationship but also to the reconfiguration of that relationship in the postcolonial era. Mann explains that in the early twenty-first century, among Africans in France and Africa, and particularly in Mali--where Mann conducted his research--the belief that France has not adequately recognized ...
Maidens, Meal and Money
"For years, Matthew Greene and Daniel Rosen have enjoyed a quiet domestic life together in Northampton, Massachusetts. Opposites in many ways, they have grown together and made their relationship work. But when they learn that Daniel's twin brother and sister-in-law have been killed in a bombing in Jerusalem, their lives are suddenly, utterly transformed. In dealing with their families and the need to make a decision about who will raise the deceased couple's two children, both Matthew and Daniel are confronted with challenges that strike at the very heart of their relationship. What is Matthew's place in an extended family that does not completely accept him or the commitment he and Daniel ...
Honour in African History
This is the first published account of the role played by ideas of honour in African history from the fourteenth century to the present day. It argues that appreciation of these ideas is essential to an understanding of past and present African behaviour. Before European conquest, many African men cultivated heroic honour, others admired the civic virtues of the patriarchal householder, and women honoured one another for industry, endurance, and devotion to their families. These values both conflicted and blended with Islamic and Christian teachings. Colonial conquest fragmented heroic cultures, but inherited ideas of honour found new expression in regimental loyalty, respectability, professionalism, working-class masculinity, the changing gender relationships of the colonial order, and the nationalist movements which overthrew that order. Today, the same inherited notions obstruct democracy, inspire resistance to tyranny, and motivate the defence of dignity in the face of AIDS.
Slavery and Colonial Rule in French West Africa
A history of slavery during the 19th and 20th centuries in three former French colonies.
Relations of Production
First Published in 1978. This book seeks to fill the gap of works in English that systematically deal with social and economic life in 'primitive', 'tribal' and 'peasant' societies - the main object of economic anthropology, as of any branch of anthropology - from a Marxist theoretical standpoint. Using such relevant texts as Marx himself, the Pre-Capitalist Economic Formations (which appeared in English in 1964 with an introduction by Eric Hobsbawm), and that of Engels, of which The Origin of the Family, Private Property and the State.
Slavery, Resistance, and Identity in Early Modern West Africa
Between the seventeenth and eighteenth centuries, more than fifteen million people were uprooted from West Africa and enslaved in the Trans-Saharan and Transatlantic slave systems The state of Gajaage, located on the West African hinterland, offered a doorway to the Atlantic Ocean and played a central role in the wide-scale trade system that connected the histories of Africa, the Americas, and Europe. Focussing on the Soninke of Gajaaga, Makhroufi Ousmane Traoré demonstrates how their resistance to the slave trades led to the formation of a united community bound by an awareness of identity. This original study expands our understanding of the various modes of resistance West Africans employed to stem the encroaching tide of Arab imperializing efforts, European mercantile capitalism, and the Atlantic slave trade, whilst also highlighting how ethnic and religious identities were constructed and mobilized in the region.
Natural Polymers and Biopolymers II
BioPolymers could be either natural polymers – polymer naturally occurring in Nature, such as cellulose or starch…, or biobased polymers that are artificially synthesized from natural resources. Since the late 1990s, the polymer industry has faced two serious problems: global warming and anticipation of limitation to the access to fossil resources. One solution consists in the use of sustainable resources instead of fossil-based resources. Hence, biomass feedstocks are a promising resource and biopolymers are one of the most dynamic polymer area. Additionally, biodegradability is a special functionality conferred to a material, bio-based or not. Very recently, facing the awareness of the...
Bioplastic
What Is Bioplastic Bioplastics are plastic materials produced from renewable biomass sources, such as vegetable fats and oils, corn starch, straw, woodchips, sawdust, recycled food waste, etc. Some bioplastics are obtained by processing directly from natural biopolymers including polysaccharides and proteins, while others are chemically synthesised from sugar derivatives and lipids from either plants or animals, or biologically generated by fermentation of sugars or lipids. In contrast, common plastics, such as fossil-fuel plastics are derived from petroleum or natural gas. How You Will Benefit (I) Insights, and validations about the following topics: Chapter 1: Bioplastic Chapter 2: BioSphe...
