Fig. 1.
Chemical structure of polymers. Regarding the cellulose derivatives: for CMC-CHO: R is H or CH2COOH. For HPMC-CHO: R is H or (CH2CH(CH3)O)nH. For MC-CHO: R is H or CH3.
Chemical structure of polymers. Regarding the cellulose derivatives: for CMC-CHO: R is H or CH2COOH. For HPMC-CHO: R is H or (CH2CH(CH3)O)nH. For MC-CHO: R is H or CH3.