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The Essential Handbook of Polymer Terms and Attributes
book

The Essential Handbook of Polymer Terms and Attributes

by Munmaya K Mishra, Biao Duan
July 2024
Intermediate to advanced
280 pages
12h 52m
English
CRC Press
Content preview from The Essential Handbook of Polymer Terms and Attributes

12 Biodegradable Polymer

DOI: 10.1201/9781003161318-12

Biodegradable polymer is a class of polymer that can degrade through the action of enzymes and/or chemical deterioration associated with living organisms like bacteria to result in natural byproducts such as gases (CO2, N2), water, biomass, and inorganic salts.

The chemical structure of cellulose and polylactic acid. Cellulose has n units of two benzene rings attached together with an O atom between them. Each benzene has C H 2 O H group at second position and an O H group each at fifth and sixth positions. Polylactic acid has n units of C H single bond C. The first C is single bonded to O to the left and single bonded to C H 3 to the top. The second C is double bonded to O to the top.
Figure 12.1 Representation of a natural biodegradable polysaccharides, cellulose (A), and a synthetic biodegradable polyester, polylactic acid (B).

Biodegradable polymers can be divided into two groups (based on the origin): natural polymers and synthetic polymers.

Applications:

Biodegradable materials are widely used in many areas ...

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Publisher Resources

ISBN: 9781040046821