Ukwakha i-hydroxypropyl methyl cellulose ekhethekileyo ukuze kuthintelwe ukungena komswakama eludongeni, kuya kuba ngumlinganiselo ofanelekileyo womswakama onokuhlala kwi-mortar samente ovelisa ukusebenza okuhle emanzini kwaye indima ye-hydroxypropyl methyl cellulose kwi-mortar inokulingana ne-viscosity, okukhona i-viscosity ye-hydroxypropyl methyl cellulose iphezulu, ukugcinwa kwamanzi kuya kuba ngcono.
Xa ukufuma kwe-hydroxypropyl methyl cellulose kuphezulu kakhulu, ukugcinwa kwamanzi kwe-hydroxypropyl methyl cellulose kuya kuncipha, kwaye kuya kukhokelela ngokuthe ngqo ekusebenzeni kakuhle kwe-hydroxypropyl methyl cellulose. Siqhelene nezinto eziya kuba lula ukwenza iimpazamo, kufuneka sihlale sihlaziyekile, siya kufumana iziphumo ezingalindelekanga.
I-viscosity ebonakalayo yi-index ebalulekileyo ye-hydroxypropyl methyl cellulose. Iindlela eziqhelekileyo zokulinganisa kukulinganisa i-viscosity ejikelezayo, ukulinganisa i-viscosity ye-capillary kunye nokulinganisa i-viscosity yokuwa.
Ngaphambili, i-hydroxypropyl methyl cellulose yayichongwa ngokulinganisa i-capillary viscosity, kusetyenziswa i-Uhnscher viscometer. Isisombululo sokulinganisa sidla ngokuba sisisombululo samanzi esingu-2, kwaye ifomula yile: V=Kdt. I-V yi-viscosity ngemizuzwana, i-K yi-constant ye-viscometer, i-D yi-density kubushushu obungaguqukiyo, kwaye i-T lixesha elithathayo ukusuka phezulu ukuya ezantsi kwe-viscometer ngemizuzwana. Le ndlela yokusebenza iyinkimbinkimbi ngakumbi, ukuba kukho izinto ezinganyibilikiyo, kulula ukubangela iimpazamo, kunzima ukubona umgangatho we-hydroxypropyl methylcellulose.
Ingxaki yokwakha i-glue stratification yingxaki enkulu ejongene nabathengi. Okokuqala, ingxaki yezinto eziluhlaza kufuneka iqwalaselwe xa kusakhiwa i-glue stratification. Isizathu esiphambili sokwakha i-glue stratification kukungahambelani phakathi kwe-polyvinyl alcohol (PVA) kunye ne-hydroxypropyl methylcellulose (HPMC). Isizathu sesibini kukuba ixesha lokuxuba alanelanga; Kukwakho nokusebenza kwe-glue steel stratification akulunganga.
Kwizinto zokwakha iiglu, kufuneka kusetyenziswe i-instant hydroxypropyl methylcellulose (HPMC) kuba i-HPMC isasazeka emanzini kuphela kwaye ayinyibiliki ngokwenene. Malunga nemizuzu emi-2, i-viscosity yolwelo iyanda kancinci, yenze i-colloid ecacileyo ene-viscous.
Iimveliso ezinyibilikayo ezishushu, emanzini abandayo, zinokusasazeka ngokukhawuleza emanzini ashushu, zinyamalale emanzini ashushu, xa ubushushu buhla bufikelela kubushushu obuthile, i-viscosity ibonakala kancinci, de kube kuvele i-colloid ebonakalayo ethambileyo. I-Hydroxypropyl methylcellulose (HPMC) kwiglu yesakhiwo isixa esongeziweyo siyacetyiswa kwi-2-4kg.
I-Hydroxypropyl methyl cellulose (HPMC) kwi-glue yokwakha uzinzo lweekhemikhali, ukungunda, isiphumo sokugcina amanzi silungile, kwaye asichaphazeleki kukutshintsha kwe-PH, i-viscosity ukusuka kwi-100 000 S - 200 000 S ingasetyenziswa. Kodwa kwimveliso ayiphezulu i-viscosity ingcono, i-viscosity kunye namandla e-bond ayalingana, i-viscosity iphezulu, amandla mancinci, ngokubanzi i-viscosity ye-100,000S ifanelekile.
Ixesha lokuthumela: Septemba-16-2022