??????????
??????? HEC Hydroxyethyl Cellulose
? ?????????, ????????, ???????????????????????.
???????????????????????????????, ???????????????????, ???????? viscous.
?????????? MC Methyl Cellulose
??????????, ???????????, ???????????, ???????????????????.
? ??????????????????????????????????, ????? ??????????.
??????????????????????????? 80-90 ℃????????????????????????????????.
HPC Hydroxypropyl Cellulose
? ???????? hydroxyalkyl ether ?????????? ionic ???????????? cellulose ?????????? alkalization, etherification, neutralization, ??????????.
????????????????????????? (L-HPC) ???????????? (H-HPC) hydroxypropyl cellulose ether.
? L-HPC ??????????????????? tabletdisintegrator ??? binder.
? H-HPC ???????????????????????????, ??????????????????????, ???????????????? elixir, ????????.
HEMC Hydroxyethyl Methyl Cellulose
· ?????????????????, ???????????, ???????????.
· ????????????????? colloidal ????????? ??? turbid ??????????????????.
HPMC Hydroxypropyl Methyl Cellulose
? ?????????, ???????????, ???????????, ???????????????????.
? ???????????????? colloidal ????????? ??? turbid ??????????????????.