Indima ye-hydroxypropyl methyl cellulose kwi-wet mortar

Indima kaI-HPMCkwisamente emanzi

Udaka oluxutyiweyo olumanzi: Udaka oluxutyiweyo luhlobo lwesamente, i-aggregate ecolekileyo, umxube kunye namanzi, kwaye ngokweempawu zezinto ezahlukeneyo, ngokwemilinganiselo ethile, emva kokulinganisa kwisikhululo sokuxuba, luxutywe, luthuthwe lusiwe kwindawo esetyenziswa yilori, lufakwe kwisikhongozeli sokugcina esikhethekileyo, kwaye lusetyenziswe ngexesha elichaziweyo umxube omanzi ogqityiweyo.

I-Hydroxypropyl methyl cellulose isetyenziswa njengearhente yokugcina amanzi kwi-samente mortar, i-retarder mortar pumping. Kwi-gypsum njenge-binder ukuphucula ukusetyenziswa kunye nokwandisa ixesha lokusebenza, i-hydroxypropyl methylcellulose HPMC igcina amanzi ukuze i-slurry emva kokomisa ingabi ngokukhawuleza kwaye iqhekeke, iqine ukuphucula amandla. Ukugcinwa kwamanzi luphawu olubalulekileyo lwe-hydroxypropyl methyl cellulose HPMC, kwaye ikwayinkxalabo yabavelisi abaninzi be-wet mortar. Izinto ezichaphazela isiphumo sokugcina amanzi kwi-wet mortar ziquka ubungakanani be-HPMC eyongeziweyo, i-viscosity ye-HPMC, ubuncinci bee-particles kunye nobushushu bendawo esetyenziswayo.
I-Hydroxypropyl methyl cellulose HPMC kwi-wet mortar indima ephambili kwiinkalo ezintathu, enye kukubamba amanzi kakuhle, eyesibini kukungqinelana kwe-wet mortar kunye ne-thixotropy yempembelelo, eyesithathu kukusebenzisana nesamente. Ukugcinwa kwamanzi e-Cellulose ether kuxhomekeke kwisantya sokufunxwa kwamanzi kwisiseko, ukwakheka kwe-mortar mortar, ubukhulu bomaleko we-mortar, imfuno yamanzi e-mortar, ixesha lokubeka. Okukhona i-hydroxypropyl methyl cellulose icaca ngakumbi, kokukhona i-retention yamanzi ingcono.
Izinto ezichaphazela ukugcinwa kwamanzi kwi-mortar emanzi ziquka i-viscosity ye-cellulose ether, ukongeza ubungakanani, ubungakanani bamasuntswana kunye nobushushu. Okukhona i-viscosity ye-cellulose ether inkulu, kokukhona i-viscosity ingcono. I-viscosity yiparameter ebalulekileyo yokusebenza kwe-HPMC. Kwimveliso efanayo, ukusebenzisa iindlela ezahlukeneyo zokulinganisa i-viscosity yeziphumo kuyahluka kakhulu, ezinye zide zibe zimbini. Ke ngoko, uthelekiso lwe-viscosity kufuneka lwenziwe ngendlela efanayo yovavanyo, kubandakanya ubushushu, i-rotor, njl.

Ngokubanzi, okukhona i-viscosity iphezulu, kokukhona ukugcinwa kwamanzi kuphucuka. Nangona kunjalo, okukhona i-viscosity iphezulu, kokukhona ubunzima be-molecular ye-HPMC buphakama, kwaye ukunyibilika kwe-HPMC kwehla, okunefuthe elibi kumandla kunye nokusebenza kolwakhiwo lwe-mortar. Okukhona i-viscosity iphezulu, kokukhona isiphumo sokuqina kwe-mortar sibonakala ngakumbi, kodwa asihambelani ngokuthe ngqo. Okukhona i-viscosity iphezulu, kokukhona i-mortar inamathela ngakumbi, ukusebenza kakuhle kolwakhiwo, ukusebenza kwe-viscous scraper kunye nokunamathela okuphezulu kwi-substrate. Nangona kunjalo, ukuphuculwa kwamandla olwakhiwo lwe-mortar emanzi ngokwayo akuzange kuncede. Zombini izakhiwo, ukusebenza akubonakali ngathi kuchasene nokuxhoma. Ngokwahlukileyo koko, i-viscosity ethile ephakathi nephantsi kodwa i-hydroxypropyl methylcellulose eguquliweyo inokusebenza okuhle kakhulu ekuphuculeni amandla olwakhiwo lwe-mortar emanzi.
Okukhona i-cellulose ether PMC wet mortar ingaphezulu, kokukhona i-water retention iphezulu, kokukhona i-viscosity iphezulu, kokukhona i-water retention ingcono. Ubunzima bukwayindlela ebalulekileyo yokusebenza kwe-hydroxypropyl methyl cellulose.
Ukuqina kwe-hydroxypropyl methyl cellulose nako kunempembelelo ethile ekugcinweni kwamanzi. Kwiimeko eziqhelekileyo, i-viscosity efanayo kunye nokuqina okwahlukileyo kwe-hydroxypropyl methyl cellulose, phantsi komlinganiselo ofanayo wokongeza, kokukhona ukuqina kokuqina kwesiphumo sokugcinwa kwamanzi kungcono.
Kwi-mortar emanzi, kongezwa i-cellulose etherI-HPMCiphantsi kakhulu, kodwa inokuphucula kakhulu ukusebenza kolwakhiwo lwe-wet mortar, sisongezelelo esiphambili esichaphazela kakhulu ukusebenza kwe-wet mortar. Ukusebenza kwe-wet mortar kuchatshazelwa kakhulu kukukhethwa okufanelekileyo kwe-hydroxypropyl methyl cellulose.