Yintoni i-viscosity efanelekileyo ye-hydroxypropyl methylcellulose (HPMC)?
I-Putty powder iqhele ukuba yi-yuan eyi-100,000, kwaye iimfuno zodaka ziphezulu, kwaye i-yuan eyi-150,000 iyafuneka ukuze isetyenziswe lula. Ngaphezu koko, owona msebenzi ubalulekileyo we-HPMC kukugcina amanzi, kulandelwa kukuqina. Kwi-putty powder, ngokude nje ukugcinwa kwamanzi kulungile kwaye i-viscosity iphantsi (i-70,000-80,000), nayo inokwenzeka. Ngokuqinisekileyo, ukuphakama kwe-viscosity, ngcono ukugcinwa kwamanzi okuhambelanayo. Xa i-viscosity idlula i-100,000, i-viscosity iya kuchaphazela ukugcinwa kwamanzi. Akusekho kakhulu.
Zeziphi iindlela zokuchithwa kwe-hydroxypropyl methylcellulose (HPMC)?
(1) Ubumhlophe: Nangona i-Baidu ayikwazi ukucacisa ukuba i-HPMC ilula ukuyisebenzisa, kwaye ukuba i-agent emhlophe yongezwa ngexesha lenkqubo yokuvelisa, umgangatho wayo uya kuchaphazeleka. Nangona kunjalo, uninzi lweemveliso ezilungileyo zinobumhlophe obuhle.
(2) Ukulunga: Ukulunga kwe-HPMC ngokubanzi kune-80 mesh kunye ne-100 mesh, kunye ne-120 mesh ingaphantsi. Uninzi lwe-HPMC eveliswe eHebei yi-80 mesh. Okukhona ukucoleka, xa sithetha ngokubanzi, kungcono.
(3) Ukuhanjiswa kokukhanya: faka i-hydroxypropyl methylcellulose (HPMC) emanzini ukwenza i-colloid ebonakalayo, kwaye ujonge ukukhanya kwayo. Okukhona ukuhanjiswa kokukhanya, kungcono, kubonisa ukuba kukho izinto ezinganyibilikiyo kangako kuyo. . Ukungena kwereactors ezithe nkqo kulungile, kwaye oko kwereactors ezixwesileyo kubi kakhulu, kodwa ayithethi ukuba umgangatho weereactors ezithe nkqo ungcono kunolo weereactor ezithe tye, kwaye umgangatho wemveliso umiselwa yimiba emininzi. (4) Umxhuzulane okhethekileyo: Okukhona umkhulu umxhuzulane othile, kokukhona unzima ngakumbi. Ubuncinci bukhulu, ngokuqhelekileyo ngenxa yokuba umxholo weqela le-hydroxypropyl kuwo uphezulu, kwaye umxholo weqela le-hydroxypropyl liphezulu, ukugcinwa kwamanzi kungcono.
Yintoni umsebenzi oyintloko wokusetyenziswa kwe-HPMC kwi-putty powder, kwaye ngaba kwenzeka ngamakhemikhali?
Kwi-putty powder, i-HPMC idlala iindima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa.
Ukutyebisa: Iselulosi inokujiya ukuze inqunyanyiswe kwaye igcine iyunifomu yesisombululo inyuka naphantsi, kwaye imelane nokudodobala.
Ukugcinwa kwamanzi: yenza i-putty powder yome kancinci, kwaye uncedise i-calcium yothuthu ukuba isabele phantsi kwesenzo samanzi.
Ukwakhiwa: I-Cellulose inefuthe lokuthambisa, elinokwenza ukuba i-putty powder ibe nokwakhiwa kakuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na intshukumo yeekhemikhali, kodwa idlala indima encedisayo kuphela. Ukongeza amanzi kwi-putty powder kunye nokuyibeka eludongeni kukusabela kweekhemikhali, kuba izinto ezintsha zenziwe. Ukuba ususa i-putty powder eludongeni eludongeni, ugaye ube ngumgubo, kwaye uyisebenzise kwakhona, ayiyi kusebenza ngenxa yokuba izinto ezintsha (i-calcium carbonate) zenziwe. ) nayo.
Amalungu aphambili omgubo we-ash calcium ngala: umxube weCa(OH)2, iCaO kunye nentwana yeCaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O ash calcium emanzini nasemoyeni Ngaphantsi kwesenzo se-CO2, i-calcium carbonate yenziwe, ngelixa i-HPMC igcina amanzi kuphela, incedisa ukusabela okungcono kwe-ash calcium, kwaye ayithathi nxaxheba kuyo nayiphi na impendulo ngokwayo.
Ubudlelwane phakathi kwe-viscosity kunye nobushushu be-HPMC, yintoni ekufuneka ihlawulwe kwisicelo esisebenzayo?
I-viscosity ye-HPMC ihambelana ngokungafaniyo neqondo lokushisa, oko kukuthi, i-viscosity iyanda njengoko ubushushu buyancipha. I-viscosity yemveliso esidla ngokubhekisela kuyo ibhekiselele kwisiphumo sovavanyo lwesisombululo sayo se-aqueous ye-2% kwiqondo lokushisa lama-20 degrees Celsius.
Kwizicelo eziphathekayo, kufuneka kuqatshelwe ukuba kwiindawo ezinomahluko omkhulu weqondo lokushisa phakathi kwehlobo nobusika, kucetyiswa ukuba kusetyenziswe i-viscosity ephantsi kakhulu ebusika, ehambelana nokwakhiwa. Ngaphandle koko, xa iqondo lokushisa liphantsi, i-viscosity ye-cellulose iya kwanda, kwaye ukuvakalelwa kwesandla kuya kuba nzima xa kukhuhla.
I-viscosity ephakathi: 75000-100000 ikakhulu isetyenziselwa i-putty
Isizathu: ukugcinwa kakuhle kwamanzi
I-viscosity ephezulu: i-150000-200000 isetyenziselwa ubukhulu becala i-polystyrene particle insulation mortar rubber powder kunye ne-vitrified microbead insulation mortar.
Isizathu: i-viscosity ephezulu, i-mortar ayilula ukuwa, i-sagging, ephucula ukwakhiwa.
Ixesha lokuposa: May-18-2023