2D Chitosan Toy

2D Polymer Lab

CHITOSAN Soluble Polycation

Deacetylation (DDA) 85%

DDA controls hydrophobicity vs. charge.

< 60% DDA → Chitin (Hydrophobic Clumping).
> 60% DDA → Chitosan (Repulsion/Expansion).
Note: Solubility requires acidic pH.

Settled

Chain Length 20 units

High Charge! Blue Amine groups repel each other. Expanded & soluble in acid.

Legend

Sugar Backbone (neutral)

Amine (charged in acid)

Acetyl (hydrophobic)

Interactions