By Judit E. Puskas
Designed for polymer and fabrics engineering scholars, the textual content introduces polymer chemistry via polymers present in nature. It explains biobased polymer structures and artificial platforms through exploring the chemistry of average polymers from vegetation and animals, in addition to self-assembled macromolecular buildings, together with proteins, lignin, protamers, and fibers. additionally lined are man made polymerization and rising advances in eco-friendly polymer chemistry, together with unique causes of eco-friendly syntheses.
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Extra resources for Introduction to polymer chemistry: a biobased approach
Sample text
Cellulose—an organic compound with the formula C6H10O5; a polysaccharide consisting of a linear chain of several hundred to over ten thousand β(1→4)-linked D-glucose units. Chitin—a polysaccharide polymer composed of N-acetyl-D-glucosamine found in algae, arthropod and crustacean exoskeletons, fungal cell walls, and most protozoa. Chitosan—a linear polysaccharide composed of β(1→4)-linked D-glucosamine (deacetylated unit) and N-acetyl-D-glucosamine (acetylated unit). It has a number of commercial and possible biomedical uses.
Amylopectin—a polysaccharide and highly branched polymer of glucose found in plants. It is one of the two components of starch, the other being amylose. Amylose—a mostly linear polymer made up of D-glucose units. Cellulolysis—process of breaking down cellulose into smaller polysaccharides called celludextrins, or breaking down completely into glucose units. Cellulose—an organic compound with the formula C6H10O5; a polysaccharide consisting of a linear chain of several hundred to over ten thousand β(1→4)-linked D-glucose units.
Rosenthal-Kim). 7. Puskas, E. Rosenthal-Kim). angle and dissociation energy for each bond type. The s-s σ bond is the strongest, with the shortest bond length and highest dissociation energy. The s-p σ C–C bonds in alkanes are the longest, with the lowest dissociation energy. The s-p C–C σ bond in alkenes is shorter because of the overlapping p orbitals that form the π bond. The π bond has lower dissociation energy than the σ bond in alkanes, but the remaining s-p σ C–C bond has higher dissociation energy than that in sp3 hybridized alkanes.