??
???? ??? HEC Hydroxyethyl ????
???? ????? ???
????????? ???? (hydroxyethyl ????) ion-???? ??? ??? ???? ???? ??? ??? ???? ?? ???? ??? ??? ??? ?? ?? ?????
???? ?????
?? ??? ????: ??? ?? ?? ??? ???? ????? ????? ????? ?? ??? ??? ????.
???? ?? ?????? ???-?????? viscosity ????? ??? ????? ? ?????? ????? ????? ? ???? ?? ????? ???????
Pseudoplastic ??? ?????: ????? ???? ????? ???? ?? ???? viscosity ???, ?? viscosity ????? ?? ?????? ?? ??? ???? ??? ???? ?????.
??? ????: ???? ????? ??? ??? ???? ??? ?? ?????? ???? ????.
pH ?????? ??? ???? ??? ?? ????? ??????
???? ?????
??? ???: ??? thickening ??? ?? rheological ???? ??? ???, ????? ????? ?? ??? ???? ????? ????.
????, ??? ?? ?????? ???-??? ???, ??? ???? ??? ?? ??? ????? ?? ???? ??.
???? ????? ??????: ????, ????? ?????, ???? ?? ??? ???? ??? ???? ?? ????? ????? ??? ?? ????.
??? ?????- ?????? ??? ?? ??????? ??? ??????? viscosity ????? ?? ????? ????? ????? ?? ??????
?????? ???: ?????, ???, ???, ??? ????? ?????? ????.
???? ???
?????? ????? ?????? ????? ????? ?? ????? ??? ??.
???? ?????
????? ???????? ??? ???? ????? ????? ?????? ???? ????? ????? ?????????? ???? ???? ?????? ??? ????? ??. ????? ???? ???? ???? ??? ???? ????? ???? ?? ???? ???? ????? ????? ??? ???? ????? ???? ???? ???? ?????? ??????
??????? ????
??????? ?? ??????, ???? ????? ???? ???, ????? ?????? ?? ?????? ?????.
?????? ?????? ????? ?? ?? ?????? ????.
????? ??????? ????? ??? ????? ???? ????? ?? ??? ?? ??? ?????? ???? ??????.
?????? ???, ????????? ????, ?? ????? ?? ?? ?????? ???, ??? ???? ??? ??? ?? ?????, ???? ??? ?? ????? ???? ???? ???? ????.
?????
? ????
? ????
? ?????
? ???????
? ??? ????
? ???
? ??????
? ???? ??????
? ??? ??????
? ??? ????
?????
? ????
? ??????
? ??? ???
? ????? ????
? ????? ?? ????? ????????
????? ??????
| ??? | ?? ??? ??? ??? |
| ???? ??? ??? ??.?? | 1.5-2.5 |
| ???? /% | 80 ????? ???? ??≤8.0 |
| ??? ???? ???? ??? /% | ≤6.0 |
| ???/% | ≤10.0 |
| Viscosity /MPa·S | 100.0 - 5500.0 (????? ??? ± 20%) |
| ??? ?? | 5.0-9.0 |
| ????? ??????? /% | ≥80 |
????? ????
