Patent ID: 11905342
Assignee: MELODEA LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A process for manufacturing nanocrystalline cellulose (NCC) ester, the process comprising treating NCC with compounds consisting of at least one anhydride, at least one carboxylic acid, and sulfuric acid, at a temperature between 40 and 110° C., wherein the amount of the sulfuric acid is between 0.01% and 1%, compared to the weight of NCC and wherein the ratio of the at least one carboxylic acid to NCC is between 5-20 to 1 and the ratio of each of the at least one anhydride to NCC is between 0.5-2 to 1.