HEMC
HEMC Hydroxyethyl ??? ????
???? ????? ???
????????? ??? ???? (hydroxyethyl methyl cellulose) ?????? ??? ????? ????? ??? ??? ??? ?? ??? ?? ??? ??? ?????
???? ?????
1. ?? ??? ????: ??? ???? ?? ????? ???? ????? ????? ??? ??? ??? ????.
2. ????? ??? ????? ??-??????? viscosity ???? ???? ?? ??????? ?????? ???? ?????
3. ???? ?? ???? ???? ????? ??? ???? ?? ????? ?? ??? ????? ????? ?????
4. ?? ???? ?? ??????? ????: ??? ???? ??? ??? ????? ?????? ????.
5. ?? ??????: ???? ?????? ?? ??? ???? ?? ???? ??.
???? ?????
1. ????????? ???: ???, ???? ?? ??? ????, ??? ???? ???, ??? ?????? ??? ?? ????, ????? ????? ?? ???? ???? ?????.
2. ????, ???? ????? ???, ??? ??????? ?????? ??????? ??? ???? ????.
3. ???? ??????: ???? ??? ?? ?????? ????, ???? ???? ?????.
4. ??? ??? ?? ?????? ???, ??? ???? ??? ??, ?? ??? ??? ???? ??.
5. ???? ????? ?????- ?????????? ???????? ??? ?? ????? ????? ???? ?? ????? ????? ???
6. ???? ????? ?????? ??? ?????? ????? ?? ??? ??? ??? ?????
???? ???
???? ?? ????? ????? ????? ????? ?? ?????? ?? ????? ??.
???? ?????
????? ???????? ??? ???? ??? ????? ?????? ???? ????? ?????, Hydroxyethyl Methyl Cellulose ?? ???? ??? ???. ????? ?????? ??? ??????? ?????? ??? ????? ????? ??? ?? ???? ????? ???? ??? ????? ??? ?????? ???????
??????? ????
1. ?????? ?? ???? ???? ?????? ????? ??? ?? ??? ?????? ???? ????.
2. ?????? ?? ?? ??? ???? ?? ?? ??? ????? ?????? ?? ?????? ?????? ?????? ????.
3. ??????? ?? ????? ??? ?????? ??????? ?? ???? ?????? ???? ???? ?????? ????.
??? ????????? ??? ???? ??? ??? ?? ??? ??? ?? ?? ????? ??? ???? ??? ?? ????? ??? ???? ????? ??? ????? ?? ?????? ????? ???? ??? ?????
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| ??? | ?? ??? ??? ??? |
| ?????? ??? /% | 19.0-26.0 |
| ???????????? ??? /% | 4.0-16.0 |
| ????/% | 80 ????? ???? ??≤8.0 |
| ??? ???? ???? ??? /% | ≤6.0 |
| ???/% | ≤6.0 |
| Viscosity /MPa·S | 100.0 - 80000.0 (????? ??? ± 20%) |
| ??? ?? | 5.0-9.0 |
| ????? ??????? /% | ≥80 |
| ??? ??? / ℃ | ≥75.0 |
????? ????
