Hydroxypropyl methylcellulose, wanda kuma aka sani da hypromellose da cellulose hydroxypropyl methyl ether, an yi shi daga cellulose auduga mai tsafta kuma an sanya shi musamman a ƙarƙashin yanayin alkaline.
bambanci:
halaye daban-daban
Hydroxypropyl methylcellulose: fari ko fari fiber-kamar foda ko granules, mallakar nau'ikan nau'ikan nau'ikan nau'ikan da ba na ionic ba a cikin cakuda cellulose, wannan samfurin Semi-synthetic ne, polymer viscoelastic mara aiki.
Hydroxyethyl cellulose fari ne ko rawaya, mara wari, fiber mara guba ko foda mai ƙarfi, babban albarkatun ƙasa shine alkali cellulose da ethylene oxide etherification, wanda shine ether ɗin cellulose maras ionic mai narkewa.
Amfani ya bambanta
A cikin masana'antar fenti, hydroxypropyl methylcellulose yana da kyau mai narkewa a cikin ruwa ko abubuwan kaushi na halitta azaman mai kauri, mai watsawa da daidaitawa. Ana amfani da Polyvinyl chloride azaman mai cire fenti don dakatar da polymerization don shirya polyvinyl chloride, wanda ake amfani dashi sosai a cikin fata, samfuran takarda, adana 'ya'yan itace da kayan lambu, kayan yadi da sauran masana'antu.
Hydroxypropyl methylcellulose: kusan insoluble a cikin cikakken ethanol, ether, acetone; mai narkewa a cikin m ko turbid colloidal bayani a cikin ruwan sanyi, yadu amfani a coatings, tawada, zaruruwa, rini, papermaking, kayan shafawa, magungunan kashe qwari, ma'adanai sarrafa Samfur, mai dawo da da kuma Pharmaceutical masana'antu.
daban-daban solubility
Hydroxypropyl methylcellulose: kusan insoluble a cikin cikakken ethanol, ether, acetone; mai narkewa a fili ko dan kadan mai girgije colloidal bayani a cikin ruwan sanyi.
Hydroxyethyl cellulose (HEC): Yana iya shirya mafita a daban-daban danko jeri, kuma yana da kyau gishiri-dissolving Properties ga electrolytes.
Lokacin aikawa: Dec-01-2022