Izinto ezininzi eziphambili ezichaphazela ukugcinwa kwamanzi kwiHydroxypropyl Methylcellulose
IHydroxypropyl Methylcellulose (HPMC) yipolymer esetyenziswa kakhulu kumashishini ahlukeneyo, kubandakanya ukwakhiwa, amayeza, ukutya, kunye nokhathalelo lomntu.Enye yeempawu zayo eziphambili kukugcina amanzi, okubhekiselele kwisakhono se-HPMC ukugcina amanzi ngaphakathi koqulunqo okanye imathiriyeli.Ukugcinwa kwamanzi kubalulekile kwizicelo apho ulawulo lokufuma, i-viscosity, kunye nokuzinza kubalulekile.Kweli nqaku, siza kuphonononga izinto ezininzi ezibalulekileyo ezichaphazela ukugcinwa kwamanzi e-HPMC kwaye sixoxe ngokubaluleka kwazo kumashishini ahlukeneyo.Ukuqonda ezi zinto kunokunceda abaphandi kunye nabavelisi ukuba baphucule ukwakheka kunye nokuphucula ukusebenza kweemveliso ezisekwe kwi-HPMC.
Ubunzima beMolekyuli ye-HPMC
Ubunzima bemolekyuli ye-HPMC yinto ebalulekileyo echaphazela amandla ayo okugcina amanzi.Ubunzima bemolekyuli obuphezulu be-HPMC iipholima zikholisa ukuba namandla amakhulu okubamba amanzi xa kuthelekiswa nobunzima obuphantsi bemolekyuli.Oku kungenxa yokuba ubunzima bemolekyuli ephezulu ye-HPMC inamatyathanga epolymer amade, abonelela ngeesayithi ezininzi zeemolekyuli zamanzi ukuba zisebenze kwaye zenze iibhondi ze-hydrogen.Ngenxa yoko, i-hydrated polymer chain idumba kwaye igcina amanzi ngokufanelekileyo.Abavelisi bangakhetha ubunzima bemolekyuli obufanelekileyo be-HPMC ngokusekelwe kwiipropati ezifunwayo zokugcina amanzi kwizicelo ezithile.
Isidanga soTshintsho (DS)
Iqondo lokutshintsha libhekisa kubungakanani behydroxypropyl kunye nemethoxy endaweni yomqolo wecellulose weHPMC.Ichaphazela kakhulu iimpawu zokugcina amanzi ze-HPMC.Ngokubanzi, ixabiso eliphezulu le-DS likhokelela kwiipropati eziphuculweyo zokugcina amanzi.Amaqela e-hydroxypropyl kunye ne-methoxy anyusa i-hydrophilicity ye-polymer, evumela ukuba ifunxe kwaye igcine amanzi amaninzi.Ixabiso le-DS linokulungiswa ngexesha lokudityaniswa kwe-HPMC ukufezekisa iipropati ezifunwayo zokugcina amanzi kwizicelo ezahlukeneyo.
Ugxininiso lwe-HPMC kuCwangciso
Ukuxinwa kwe-HPMC ekuqulunqweni kuchaphazela ngqo amandla okugcina amanzi.Njengoko uxinaniso lwe-HPMC lusanda, kukho ukwanda okulinganayo ekugcinweni kwamanzi.Oku kungenxa yokuba ugxininiso oluphezulu lwe-HPMC lubonelela ngeendawo ezifumanekayo ngakumbi zokubophelela iimolekyuli zamanzi, okukhokelela ekuphuculweni kokuhanjiswa kwamanzi kunye nomthamo wokubamba amanzi.Nangona kunjalo, kubalulekile ukuqaphela ukuba ugxininiso oluphezulu kakhulu lwe-HPMC lunokubangela ukunyuka kwe-viscosity okanye ukwakheka kwejeli, okunokuthi kube nefuthe elibi kwisicelo kunye neempawu zokusetyenzwa koyilo.
Ubushushu kunye nokufuma
Iqondo lobushushu kunye nokufuma zizinto zangaphandle zokusingqongileyo ezinokuphembelela iimpawu zokugcina amanzi kwimixube esekwe kwi-HPMC.Amaqondo obushushu aphezulu athambekele ekukhawuleziseni i-evaporation yamanzi ekubunjweni, ukunciphisa ukugcinwa kwamanzi.Ngokwahlukileyo, amaqondo obushushu asezantsi anokukhuthaza ukugcinwa kwamanzi ngokucothisa inkqubo yokuphuma kwamanzi.Amanqanaba okufuma nawo adlala indima, njengoko ukufuma okuphezulu kunokuncedisa ukugcina ukufuma ngaphakathi kokuqulunqwa, ukuphucula ukugcinwa kwamanzi.Kubalulekile ukuqwalasela iimeko zokusebenza kunye neemeko zokusingqongileyo xa kuyilwa imixube ye-HPMC ukuqinisekisa ukusebenza ngokugqibeleleyo kogcino lwamanzi.
Ukusebenzisana nezinye izithako
Ubukho bezinye izithako ekuqulunqweni kunokuchaphazela kakhulu iipropati zokugcina amanzi ze-HPMC.Ukusebenzisana kwe-Synergistic okanye ukuchasana kunokuthi kwenzeke phakathi kwe-HPMC kunye nezinye izongezo, ezichaphazela amandla okubamba amanzi ngokubanzi.Ngokomzekelo, iityuwa ezithile okanye ii-ion ezikhoyo ekuqulunqweni zingakhuphisana ne-HPMC kwiimolekyuli zamanzi, ukunciphisa amandla okugcina amanzi.Kwelinye icala, ukubandakanya izongezo zokugcina amanzi, ezifana ne-humectants okanye iipolyols, kunokunyusa umthamo wokubamba amanzi we-HPMC.Ukuqonda ukuhambelana kunye nokusebenzisana phakathi kwe-HPMC kunye nezinye izithako kubalulekile ekuqulunqweni kweenkqubo ezisebenzayo ezineempawu ezifanelekileyo zokugcina amanzi.
