According to the degree of substitution(DS), Cellulose acetate
can be commonly classified to cellulose diacetate(DAC) and
cellulose triacetate(TAC). Usually, DAC has DS with 2.**2.5 while
TAC has DS with above 2.7.(DS is an average number, It represents
the number of -OH which is substituted by
-C0CH3)
Usage of Cellulose
diacetate :
It can be used to make non-woven fabrics for cigarette filters,
ink pen refills, water absorbing layers and masks for
diapers.
