I-Hydroxypropyl methylcellulose yi-non-ionic cellulose ether ecutshungulwa kwikotoni ecociweyo ngokusebenzisa uthotho lweempendulo zeekhemikhali. Yinto emhlophe engenavumba, engenatyhefu efana nomgubo enyibilika emanzini kwaye iveza isisombululo se-colloidal esicacileyo okanye esinamafu kancinci. Ineempawu zokutyeba, ukugcinwa kwamanzi kunye nokwakhiwa okulula. Isisombululo samanzi se-hydroxypropyl methylcellulose HPMC sizinzile kuluhlu lwe-HP3.0-10.0, kwaye xa singaphantsi kwe-3 okanye ngaphezulu kwe-10, i-viscosity iya kuncipha kakhulu.
Umsebenzi ophambili we-hydroxypropyl methylcellulose kwi-samente mortar kunye ne-putty powder kukugcinwa kwamanzi kunye nokuqina, okunokuphucula ngempumelelo ukuhambelana kunye nokumelana nokuwa kwezinto.
Izinto ezifana nobushushu kunye nesantya somoya ziya kuchaphazela izinga lokuguquguquka komswakama kwi-mortar, i-putty kunye nezinye iimveliso, ngoko ke ngamaxesha ahlukeneyo onyaka, isiphumo sokugcina amanzi kwiimveliso ezine-cellulose efanayo eyongeziweyo siya kuba nomahluko othile. Kwisakhiwo esithile, isiphumo sokugcina amanzi kwi-slurry sinokulungiswa ngokunyusa okanye ukunciphisa inani le-HPMC eyongeziweyo. Ukugcinwa kwamanzi kwi-hydroxypropyl methylcellulose HPMC kubushushu obuphezulu luphawu olubalulekileyo lokwahlula umgangatho we-HPMC. I-HPMC egqwesileyo inokusombulula ngempumelelo ingxaki yokugcina amanzi phantsi kweemeko zobushushu obuphezulu. Kwixesha elomileyo nakwiindawo ezinobushushu obuphezulu kunye nesantya somoya esiphezulu, kuyimfuneko ukusebenzisa i-HPMC esemgangathweni ophezulu ukuphucula ukusebenza kokugcinwa kwamanzi kwi-slurry.
Ke ngoko, kulwakhiwo lwasehlotyeni olushushu kakhulu, ukuze kufezekiswe isiphumo sokugcina amanzi, kuyimfuneko ukongeza inani elaneleyo le-HPMC esemgangathweni ngokwefomula, kungenjalo kuya kubakho iingxaki zomgangatho ezifana nokungoneli kwamanzi, amandla anciphileyo, ukuqhekeka, ukugoba kunye nokuchitheka okubangelwa kukoma ngokukhawuleza, kwaye kwangaxeshanye kwandisa ubunzima bokwakha kwabasebenzi. Njengoko ubushushu buhla, ubungakanani be-HPMC eyongeziweyo bunokuncipha kancinci kancinci, kwaye isiphumo esifanayo sokugcina amanzi sinokufezekiswa.
Kwimveliso yezinto zokwakha, i-hydroxypropyl methylcellulose sisongezelelo esiyimfuneko. Emva kokongeza i-HPMC, ezi mpawu zilandelayo zingaphuculwa:
1. Ukugcinwa kwamanzi: Ukwandisa ukugcinwa kwamanzi, ukuphucula i-samente mortar, i-dry powder putty ukoma ngokukhawuleza kakhulu kunye nokungoneli kwamanzi okubangela ukuqina okungalunganga, ukuqhekeka kunye nezinye izinto.
2. Ukuncamathela: Ngenxa yokuba i-mortar iphucukile, inokuyibopha ngcono i-substrate kunye ne-adhesive.
3. Ukungatyibiliki: Ngenxa yempembelelo yayo yokutyeba, inokuthintela ukutyibilika kwesamente kunye nezinto ezinamatheleyo ngexesha lokwakha.
4. Ukusebenza kakuhle: Ukwandisa ukuqina kwesamente, ukuphucula ukusebenza kwesakhiwo kunye nokuphucula ukusebenza kakuhle komsebenzi.
Ixesha lokuthumela: Epreli-12-2023