Properties Acetate: hydrophilic, thermoplastic Triacetate: hydrophobic, higher melting and softening temperature, high crystallinity Wrinkle easily in hot water: dry cleaning onl Swells in water, mechanical properties change in water Resist to weak alkali and acids Can be bleachedProperties • Acetate: hydrophilic, thermoplastic • Triacetate: hydrophobic, higher melting and softening temperature, high crystallinity • Wrinkle easily in hot water: dry cleaning only • Swells in water, mechanical properties change in water • Resist to weak alkali and acids • Can be bleached