Ko te kaha pupuri wai o te hydroxypropyl methylcellulose e whakawhirinaki ana ki te nui o te hydroxypropyl. I raro i ngā āhuatanga ōrite, ka kaha ake te kaha pupuri wai o te hydroxypropyl methylcellulose teitei, ā, ka tika te whakaiti i te nui o te methoxy o taua nui o te hydroxypropyl. Ko te nui ake o te nui o te hydroxypropyl methylcellulose, ko te nui ake o tōna matotoru, nō reira, i te wā e whiriwhiri ana i tētahi hua, me whiriwhiri e koe te hua e pai ana ki a koe i runga i te kaupapa o te hua.
Ka pā te pāmahana me ētahi atu āhuatanga ki te pupuri wai o te hydroxypropyl methylcellulose.
Te pāmahana wera o te tiēre:
He teitei te pāmahana whakapūmau wera o te cellulose ether HPMC, ā, he pai te pupuri wai; engari, he ngoikore te pupuri wai.
Te matotoru o te cellulose ether HPMC:
Ina piki te matotoru o te HPMC, ka piki anō hoki tōna pupuri wai; ina piki te matotoru ki tētahi taumata, ka heke te pikinga o te pupuri wai.
Te āhua ōrite o te cellulose ether HPMC:
He tauhohenga ōrite te HPMC, he tohatoha ōrite te methoxyl me te hydroxypropoxyl, ā, he pai te pupuri wai.
Inenga HPMC cellulose ether:
Ka nui ake te horopeta, ka teitei ake te tere pupuri wai, ā, ka kitea ake te pānga pupuri wai.
Ina he 0.25~0.6% te nui o te tāpiri, ka tere te piki o te auau pupuri wai i te pikinga o te nui o te tāpiri; ina piki tonu te nui o te tāpiri, ka puhoi te ia o te pikinga o te auau pupuri wai.
I roto i te poto, ko te pupuri wai o te HPMC e pā ana ki ngā āhuatanga pēnei i te pāmahana me te matotoru, ā, ko tōna pupuri wai e pā ana ki te nui o te hydroxypropyl methylcellulose i tāpirihia. Ina tae te nui o te hydroxypropyl methylcellulose ki tētahi uara, ka taurite tōna mahi pupuri wai.
Te wā tuku: 23-Pepuere-2023