Cellulose acetate
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Cellulose acetate
Cellulose acetate is a polyester of glucose with acetate so as to replace the glucose's hydroxyl (OH) groups. Ideally all three hydroxyl groups (C2, C3, C6) are replaced with acetate resulting in cellulose triacetate. Cellulose acetate can be made by reacting cellulose biomass with acetic anhydride and an acid catalyst. Cellulose acetate has good optical and packaging characteristics but is not very durable.