Table 3.

Chitosan delivery system in textile engineering

Delivery system	Type of polymer	Active ingredient	Cross-linker	Concentration	Formulation method	Fabric	Reference
Microencapsulation	Chitosan–sodium alginate	PentaHerbs extract	Glutaraldehye	8% w/w	Cross-linking method	Cotton	[119]
	Chitosan	Cortex Moutan	Glutaraldehye	Core–shell ratio 1:1 to 1:3	Cross-linking method	Cotton	[118]
	Chitosan–sodium alginate	Cortex Moutan	Glutaraldehye	Core–shell ratio 1:1 to 1:3	Cross-linking method	Cotton	[120]
Stimuli-responsive hydrogel delivery system	Pluronic F-127/N,N,N-trimethyl chitosan/polyethylene-glycolated hyaluronic acid	Gallic acid	Polyethylene-glycolated hyaluronic acid	Drug-to-polymer weight ratio (w/w) of 1:9	Conjugation and ultra-sonication cross-linking	Cotton	[121, 122]
	Poly N-isopropyl acryl amide/chitosan hydrogel	n/a	N,Nmethylenebis-acrylamide	n/a	Surfactant-free emulsion polymerization	Cotton	[124–128]