Search for dissertations about: "regenerated cellulose"
Showing result 1 - 5 of 43 swedish dissertations containing the words regenerated cellulose.
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1. Mercerization and Enzymatic Pretreatment of Cellulose in Dissolving Pulps
Abstract : This thesis deals with the preparation of chemically and/or enzymatically modified cellulose. This modification can be either irreversible or reversible. Irreversible modification is used to prepare cellulose derivatives as end products, whereas reversible modification is used to enhance solubility in the preparation of regenerated cellulose. READ MORE
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2. Chemical Modification of Electrospun Cellulose Nanofibers
Abstract : The forest industry is a large part of the Swedish economy and the export of pulp, paper and wood products constitutes 11% of the total Swedish export of goods. The main product of a pulp mill is purified cellulose, which has many great properties like biodegradability and non-toxicity. READ MORE
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3. Cellulose processing in ionic liquid based solvents
Abstract : As the most abundant polymer in nature, cellulose has an undisputed role among the raw materials to be used in a sustainable future. From its native form, in wood or straw, cellulose can be processed into products such as paper and board. READ MORE
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4. Investigating structural changes of cellulose using NMR spectroscopy
Abstract : In this thesis solid-state NMR and NMR cryoporometry were used to gain information of the structure of cellulose. Measurements were conducted on both native and regenerated cellulose, exposed to a range of different treatments. READ MORE
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5. Investigating cellulose structure using solid-state NMR spectroscopy
Abstract : Cellulose is the most abundant polymer in nature and it is an important constituent in most flowers, trees, and even some animals. Cellulose has an established use in many important products, such as textile fibers, paper and paperboard, and recently new applications have received increased attention. READ MORE