Indima ye-hydroxypropyl methylcellulose (HPMC) kwizinto zegypsum ibaluleke kakhulu. Izinto ze-Gypsum zisetyenziswa ngokubanzi kulwakhiwo, ukuhlobisa kunye nezinye iindawo zoshishino. Njengesongezo esisebenzayo, i-HPMC isetyenziswa ngokubanzi kwizinto zegypsum. Imisebenzi yayo ephambili ibandakanya ukuphucula ukusebenza kwe-gypsum slurry, ukuqinisa amandla okubambisana, ukulawula ixesha lokumisela kunye nokuphucula ukuqina kwezinto.
Indima ephambili ye-HPMC kwigypsum
1. Ukuphucula ukusebenza komsebenzi
I-HPMC inokuphucula ngokubonakalayo ukusebenza kwe-gypsum slurry, iyenze ibe nolwelo olungcono kunye nokusebenza. Oku kungenxa yokuba i-HPMC inesiphumo esihle sokuqina kwaye inokunyusa i-viscosity ye-slurry, ngaloo ndlela ithintele i-slurry ukusuka kwi-delaminating, ukucwiliswa kunye nezinye izinto ngexesha lokwakha. Ukongeza, i-HPMC inokuphucula ukugcinwa kwamanzi kwi-slurry ye-gypsum, ukwenzela ukuba ayiyi koma ngenxa yokuphuma kwamanzi ngokukhawuleza ngexesha lokwakha.
2. Ukwandisa amandla okudibanisa
I-HPMC inokwandisa amandla okudibanisa phakathi kwegypsum kunye ne-substrate. Oku kungenxa yokuba i-HPMC inokwenza ulwakhiwo oluhle lwenethiwekhi kwi-gypsum slurry, eyandisa ukudibanisa kwe-gypsum slurry, ngaloo ndlela iphucula amandla ayo okudibanisa kunye ne-substrate. Ukongezelela, i-HPMC nayo inomlinganiselo othile wokumanzisa, onokunyusa indawo yoqhagamshelwano phakathi kwe-gypsum slurry kunye nomphezulu we-substrate, ngakumbi ukunyusa umphumo wokubambisana.
3. Lawula ixesha le-coagulation
I-HPMC inokulawula ngokufanelekileyo ixesha lokumisela lwe-gypsum slurry. Ukongezwa kwe-HPMC kunokucothisa isantya sokubeka i-gypsum slurry, ukunika abasebenzi bokwakha ixesha elaneleyo lokusebenza kunye nokulungelelanisa, kwaye baphephe iziphene zokwakha ezibangelwa ukusetha ngokukhawuleza. Oku kubaluleke ngakumbi kulwakhiwo lwendawo enkulu kunye neemveliso zesamente ezimile okuntsonkothileyo.
4. Ukuphucula ukuqina kwezinto
I-HPMC inokuphucula ukuqina kwezixhobo zegypsum. Ukongezwa kwe-HPMC kunokonyusa ukumelana nokuqhekeka kwezixhobo zegypsum kwaye kuthintele ukomisa kunye nokuqhekeka okubangelwa lutshintsho lobushushu kunye notshintsho lokufuma. Ukongeza, i-HPMC nayo ineempawu ezithile ezingangeni manzi, ezinokunciphisa ukukhukuliseka kokufuma kwizinto zegypsum kunye nokwandisa ubomi babo benkonzo.
Umgaqo wokusetyenziswa kweHPMC kwigypsum
1. Umgaqo wokuqina
Ubume bemolekyuli ye-HPMC iqulethe inani elikhulu le-hydroxyl kunye namaqela e-methyl. La maqela asebenzayo angenza iibhondi ze-hydrogen kunye neemolekyuli zamanzi, ngaloo ndlela ukwandisa i-viscosity ye-slurry. Isiphumo esityebileyo se-HPMC asikwazi nje ukuphucula ulwelo kunye nokusebenza kwe-gypsum slurry, kodwa nokuphucula uzinzo lwe-slurry kunye nokuthintela i-delamination kunye nemvula.
2. Umgaqo wokugcinwa kwamanzi
I-HPMC ineepropati ezigqwesileyo zokugcina amanzi kwaye inokwenza ifilimu efanayo yokugcina amanzi kwi-slurry ye-gypsum ukunciphisa ukuphuphuma kwamanzi. Impembelelo yokugcina amanzi ye-HPMC inokuthintela i-slurry ekuqhekekeni kunye nokunciphisa ngexesha lokumisa, ukuphucula umgangatho kunye nokusetyenziswa kwesiphumo se-gypsum materials.
3. Umgaqo wokudibanisa
I-HPMC inokwenza ulwakhiwo oluhle lwenethiwekhi kwi-gypsum slurry ukunyusa ukudibanisa kwe-slurry. Ngelo xesha, ukumanzisa kwe-HPMC kunokunyusa indawo yoqhagamshelwano phakathi kwe-gypsum slurry kunye nomphezulu we-substrate, ngaloo ndlela iphucula amandla okudibanisa.
4. Umgaqo wokulawula ixesha lokudibanisa
I-HPMC inokulibazisa ukusetwa kwesantya se-gypsum slurry, ikakhulu ngokuhlengahlengisa isantya sokusabela kwe-hydration kwi-slurry. Ukongezwa kwe-HPMC kunokucothisa ukusabela kwe-hydration ye-calcium sulfate kwi-gypsum slurry, ukunika i-slurry ixesha elide lokusebenza kunye nokusebenza okungcono kokwakhiwa.
5. Umgaqo wokuphucula ukuqina
Impembelelo yokuqinisa i-HPMC inokuphucula ukuxhathisa kokuqhekeka kwezinto ze-gypsum kunye nokuthintela ukuqhekeka okomileyo kunye nokuqhekeka okubangelwa utshintsho lweqondo lokushisa kunye nokutshintsha komswakama. Ukongezelela, ukusebenza kwamanzi kwe-HPMC kunokunciphisa ukukhukuliseka kwezinto ze-gypsum ngamanzi kunye nokwandisa ubomi babo benkonzo.
Ukusetyenziswa kweHPMC kwizinto zegypsum kubaluleke kakhulu. Ngokuphucula ukusebenza kwe-gypsum slurry, ukuqinisa amandla ebhondi, ukulawula ixesha lokumisela kunye nokuphucula ukuqina kwezinto eziphathekayo, i-HPMC inokuphucula kakhulu umgangatho kunye nokusetyenziswa kwesiphumo se-gypsum materials. Ke ngoko, i-HPMC iye yaba yinto eyimfuneko kunye nebalulekileyo yezinto zegypsum kulwakhiwo lwangoku kunye neeprojekthi zokuhombisa.
Ixesha lokuposa: Jul-11-2024