Njengenye yezinto ezibalulekileyo ezidityanisiweyo kwi-cellulose ether kwi-dry powder mortar, i-hydroxypropyl methylcellulose inemisebenzi emininzi kwi-mortar. Eyona ndima ibalulekileyo ye-hydroxypropyl methylcellulose kwi-samente mortar kukugcinwa kwamanzi kunye nokuqina. Ukongeza, ngenxa yokusebenzisana kwayo nenkqubo yesamente, inokudlala indima encedisayo ekufakeni umoya, ekubuyiseleni umva, kunye nokuphucula amandla e-tensile bond.
Eyona nto ibalulekileyo isebenzayo kwi-hydroxypropyl methylcellulose kwi-mortar kukugcinwa kwamanzi. Njengomxube we-cellulose ether kwi-mortar, i-hydroxypropyl methylcellulose ingasetyenziswa phantse kuzo zonke iimveliso ze-mortar, ikakhulu ngenxa yokugcina kwayo amanzi. Ngokubanzi, ukugcinwa kwamanzi kwe-hydroxypropyl methylcellulose kunxulumene ne-viscosity yayo, ubungakanani bokutshintshwa kwayo kunye nobukhulu be-particle.
I-Hydroxypropyl methylcellulose isetyenziswa njengesithambisi, kwaye isiphumo sayo sokutyeba sinxulumene nomlinganiselo wokutshintshwa, ubungakanani besuntswana, i-viscosity kunye nomlinganiselo wokuguqulwa kwe-hydroxypropyl methylcellulose. Ngokubanzi, okukhona inqanaba lokutshintshwa kunye ne-viscosity ye-cellulose ether liphezulu, kwaye okukhona amasuntswana emancinci, kokukhona isiphumo sokutyeba sibonakala ngakumbi.
Kwi-hydroxypropyl methylcellulose, ukungeniswa kwamaqela e-methoxy kunciphisa amandla omphezulu wesisombululo samanzi esine-hydroxypropyl methylcellulose, ukuze i-hydroxypropyl methylcellulose ibe nefuthe lokungenisa umoya kwi-samente mortar. Faka amaqamza omoya afanelekileyo kwi-mortar, ngenxa "yempembelelo yebhola" yamaqamza omoya,
Ukusebenza kolwakhiwo lwe-mortar kuyaphucuka, kwaye kwangaxeshanye, ukungeniswa kwamaqamza omoya kwandisa izinga lokukhupha i-mortar. Kakade ke, ubungakanani bokungenisa umoya kufuneka bulawulwe. Ukungenisa umoya kakhulu kuya kuba nefuthe elibi kumandla e-mortar.
I-Hydroxypropyl methylcellulose iya kulibazisa inkqubo yokuseta isamente, ngaloo ndlela icothisa inkqubo yokuseta kunye nokuqinisa isamente, kwaye yandise ixesha lokuvula isamente ngokufanelekileyo, kodwa esi siphumo asilunganga kwisamente kwiindawo ezibandayo.
Njengento yepolymer enothotho olude, i-hydroxypropyl methylcellulose inokuphucula ukusebenza kokubopha kunye ne-substrate emva kokuba yongezwe kwinkqubo yesamente phantsi kwesiseko sokugcina ngokupheleleyo ukufuma kwi-slurry.
Ukushwankathela, ukusebenza kweI-HPMCkwi-mortar ikakhulu ibandakanya: ukugcinwa kwamanzi, ukuqina, ukwandisa ixesha lokuseta, ukufaka umoya kunye nokuphucula amandla okuxinana, njl.
Ixesha lokuthumela: Disemba-19-2022