| abstract |
There is disclosed hydrogel compositions comprising a combination of at least two of three components selected from non-acidic poly (N-vinyl lactam), chitosan derivatives and water-soluble multifunctional amine-containing polymers in various ratios. The hydrogels are useful as cavity-filling wound dressings, burn dressings, drug delivery systems, cosmetic masks, conductive electrodes, prostheses and wraps. |