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Biodegradable polymers functionalization

Keywords Aliphatic polyester Biodegradable polymer Functionalized polymer Lactone Living polymerization Macromolecular engineering Ring-opening... [Pg.173]

Two other series of biodegradable polymers that depend upon chain degradation are the polyanhydrides and the polyorthoesters. Both of these polymers contain hydrophobic units linked together along the polymer chain by functional... [Pg.24]

One approach to compartmentalize hemoglobin is to encapsulate hemoglobin in biodegradable polymer-PEG-polylactide (30). These nanocapsules have a diameter of 80-150 nm and contain superoxide dismutase, catalase, carbonic anhydrase, and other enzymes of Embden-Meyerhof pathway that are needed for long-term function of an oxygen carrier (31,32). The polylactide capsules are metabolized in vivo to water and carbon... [Pg.64]

Synthesis of aminopolysaccharides, therefore, is one of the important research areas in the field of functional materials, examples of biorelated polymers, antibacterial substance, and biodegradable polymers as well as materials for drugs and matrices of drug delivery systems. Only a few methods, however, such as ring-opening polymerization and enzymatic polymerization have been available for the precision synthesis of aminopolysaccharides [4,5],... [Pg.256]

Matsumura S, li S, Shigeno H, Tanaka T, Okuda E, Shimura Y, Toshima K (1993) Molecular design of biodegradable functional polymers, 3. Biodegradability and functionality of poly [(sodium acrylate)-co-(vinyl alcohol)]. Die Makromolekulare Chemie 194 3237-3246... [Pg.170]

Pitt CG, Gu Z-H, Ingram P, Hendren RW (1987) The synthesis of biodegradable polymers with functional side chains. J Polym Sci A Polym Chem 25 955-966... [Pg.215]

Carboxylate derivatives of poly(vinyl alcohol) are biodegradable and function in detergents as cobuilders, although they are too cosdy to be practical as of 1996. Vinyloxyacetic acid has been polymerized (5) (101,102), and Lever has patented polymers, eg, poly(vinyloxyaspartic acid) (6), based on vinyl carbamates obtained from the reaction of vinjd chloroformates and amino acids such as aspartic and glutamic acids (103). Both hydrolyze to poly(vinyl alcohol) and then biodegrade. [Pg.479]

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