CPC D06M 15/03 (2013.01) [D06M 15/15 (2013.01); D06M 23/00 (2013.01); D21H 25/02 (2013.01); D21H 25/18 (2013.01)] | 15 Claims |
1. Aqueous composition comprising chitosan, fibroin nanoparticles and an acid agent wherein the aqueous composition has a pH equal to or lower than 6, wherein the aqueous composition has a viscosity equal to or lower than 3.5 kg×m−1×s−1 measured at 25.0±0.1° C., and wherein the fibroin nanoparticles have a diameter equal to or lower than 140 nm.
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