Relative to naming of the cellulose ester, "CAP" is cellulose acetate propionate; "CA" is cellulose acetate; "CAB" is cellulose acetate butyrate. Relative to naming of the polyester, representative examples are:
Cellulose acetate, cellulose acetate propionate and cellulose acetate butyrate membranes for water desalination applications. Cellulose 2020, 27, 9525–9543. [CrossRef] 101. Bódalo, A.; Gómez, J.-L.; Gómez, E.G.; León, G.; Tejera, M. Ammonium removal from aqueous solutions by reverse ...