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Buyini Ubudlelwano phakathi Kokugcinwa Kwamanzi kwe-HPMC kanye Nezinga Lokushisa?

Buyini Ubudlelwano phakathi Kokugcinwa Kwamanzi kwe-HPMC kanye Nezinga Lokushisa?

IHydroxypropyl methylcellulose (HPMC) iyisengezo esisetshenziswa kakhulu ezintweni zokwakha, njengodaka oluxutshwe okomile, ngenxa yezakhiwo zalo zokugcina amanzi. Ukugcinwa kwamanzi kuyimpahla ebalulekile ye-HPMC, njengoba kuthinta ukungaguquguquki, ukusebenza kahle, kanye nokuphulukiswa kodaka. Ubudlelwano phakathi kokugcinwa kwamanzi kwe-HPMC nezinga lokushisa yinkimbinkimbi futhi kuncike ezintweni ezimbalwa.

Ngokuvamile, ukugcinwa kwamanzi kwe-HPMC kuncipha njengoba izinga lokushisa likhuphuka. Lokhu kungenxa yokuthi njengoba izinga lokushisa likhuphuka, izinga lokuhwamuka kwamanzi odaka nalo liyakhula. I-HPMC isiza ukwehlisa le nqubo ngokwenza umgoqo phezu kodaka, ukuvimbela amanzi ukuthi ahwamuke ngokushesha. Nokho, emazingeni okushisa aphakeme, lesi sithiyo singase singasebenzi ngokwanele ukugcina amanzi odaka, okuholela ekwehleni kokugcinwa kwamanzi.

Kufanele kuqashelwe ukuthi ubudlelwano phakathi kokugcinwa kwamanzi kwe-HPMC nezinga lokushisa abunamugqa. Emazingeni okushisa aphansi, i-HPMC inamandla okugcina amanzi aphezulu, njengoba izinga eliphansi lokuhwamuka livumela i-HPMC ukuthi yakhe umgoqo onamandla. Njengoba izinga lokushisa likhuphuka, ukugcinwa kwamanzi kwe-HPMC kuncipha ngokushesha kuze kube yilapho ifinyelela izinga lokushisa elithile, elaziwa ngokuthi izinga lokushisa elibalulekile. Ngaphezu kwaleli zinga lokushisa, ukugcinwa kwamanzi kwe-HPMC kuhlala kungashintshile.

Izinga lokushisa elibalulekile le-HPMC lincike ezicini eziningana, okuhlanganisa uhlobo nokugxila kwe-HPMC esetshenzisiwe, kanye nokwakheka kanye nezinga lokushisa lodaka. Ngokuvamile, izinga lokushisa elibalulekile le-HPMC lisukela ku-30°C kuya ku-50°C.

Ngaphezu kwezinga lokushisa, ezinye izici zingaphinda zithinte ukugcinwa kwamanzi kwe-HPMC odakeni oluxutshwe okomile. Lokhu kufaka phakathi uhlobo nokugxila kwezinye izithasiselo odakeni, inqubo yokuxuba, kanye nomswakamo we-ambient. Kubalulekile ukucabangela zonke lezi zici lapho wenza udaka oluxutshwe okomile ukuze kuqinisekiswe ukugcinwa kwamanzi okuphelele nokusebenza kahle.

Kafushane, ubudlelwano phakathi kokugcinwa kwamanzi kwe-HPMC nezinga lokushisa yinkimbinkimbi futhi kuncike ezintweni ezimbalwa. Ngokuvamile, ukugcinwa kwamanzi kwe-HPMC kuncipha njengoba izinga lokushisa likhuphuka, kodwa lobu budlelwano abunamugqa futhi buncike ekushiseni okubalulekile kwe-HPMC. Ezinye izici, ezifana nohlobo nokugxila kwezithasiselo, nazo zidlala indima ekunqumeni ukugcinwa kwamanzi kwe-HPMC odakeni oluxutshwe okomile.


Isikhathi sokuthumela: Apr-15-2023
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