Sunan sinadarai | Hydroxypropyl Methyl Cellulose |
Synonymous | Cellulose ether;Hypromellose;Cellulose, 2-hydroxypropyl methyl ether;Hydroxypropyl methyl cellulose;HPMC;MHPC |
Lambar CAS | 9004-65-3 |
Lambar EC | 618-389-6 |
Alamar | EiponCell |
Matsayin samfur | HPMC YB 515M |
Solubility | Ruwa Mai Soluble Cellulose Ether |
Siffar jiki | Fari zuwa kashe-fari cellulose foda |
Methoxy | 19.0-24.0% |
Hydroxypropoxy | 4.0-12.0% |
Danshi | Max.6% |
PH | 4.0-8.0 |
Viscosity Brookfield 2% bayani | 12000-18000 mPa.s |
Viscosity NDJ 2% bayani | 12000-18000 mPa.S |
Asha abun ciki | Max5.0% |
Girman raga | 99% wuce 100 raga |
HS code | 3912.39 |
EipponCell HPMC YB 515M, wanda aka tsara musamman don aikace-aikacen mannen tayal, yana da kaddarorin masu zuwa:
Lokacin da latex foda da cellulose ether HPMC suke a cikin rigar turmi, RDP foda yana nuna ƙarfin ɗaure mai ƙarfi tare da samfurin hydration na siminti, yayin da ether cellulose da farko yana rinjayar ruwa mai tsaka-tsaki, yana rinjayar danko da saita lokacin turmi.
RDP foda yana nuna haɓakar haɗe-haɗe zuwa samfuran hydration na siminti, yayin da ether cellulose da farko ke shafar ruwa mai tsaka-tsaki, yana shafar ɗanyen turmi da saita lokaci.
Halin da ake ciki na latex foda da cellulosic ether HPMC a cikin wani rigar turmi yana rinjayar kaddarorin turmi, tare da RDP foda yana da ƙarfin dauri mai girma da ether cellulosic da ke shafar danko da saita lokaci ta wurin kasancewarsa a cikin ruwa mai tsaka-tsaki.
Cellulose ether a cikin turmi ba wai kawai yana ba da kaddarorin masu amfani ba, amma kuma yana jinkirta haɓakar haɓakar hydration na siminti ta hanyar tallatawa kan samfurin da aka ɗora maimakon ma'adinai na asali.Wannan sakamako na jinkirtawa yana dangana ga raguwar motsi na ions a cikin maganin pore saboda karuwar danko da cellulose ether ya haifar.
Kasancewar ether cellulose a cikin tsarin siminti yana jinkirta motsin ruwa ta hanyar tallata samfurin hydrated maimakon lokaci na ma'adinai na asali, yayin da kuma yana haɓaka danko na maganin pore, don haka rage motsin ion kuma yana rage jinkirin tsarin hydration.
Tasirin jinkirin Cellulose ether akan hydration na siminti yana samuwa da farko ta hanyar adsorption ɗinsa akan samfurin mai ruwa da ƙari na gaba a cikin dankowar maganin pore, wanda ke hana motsin ion kuma yana jinkirta haɓakar haɓakar hydration gabaɗaya.
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