I-phenomenon ye-viscomonoty yehla ngexesha lokugcina ipeyinti yingxaki eqhelekileyo, ngakumbi emva kokugcinwa kwexesha elide, i-viscosity yepeyinti ihla kakhulu, echaphazela umsebenzi wokwakha kunye nomgangatho wemveliso. Ukwehla kwe-viscofity kuhambelana nezinto ezininzi, ezinje ngobushushu, ukunyibilikisa, ukonakaliswa kwePolymer, kodwa ukunxibelelana ne-ether sest igxeki.
1. Indima eSisiseko ye-Seley
I-Telupelose Ether yi-tickener eqhelekileyo isetyenziswa ngokubanzi kwiipeyinti ezisekwe emanzini. Imisebenzi yabo ephambili ibandakanya:
Isiphumo sokuqaqamba: I-Selesese I-Ether inokukwenza ubume benethiwekhi ezintathu zenethiwekhi ngokufunxa amanzi, ngaloo ndlela kukhulisa ukubonwa kwenkqubo kunye nokuphucula ukusebenza kweThiatropy kunye nokuSebenza kwePupet.
Ukumiswa kokuzinzisa okuzinzileyo: I-Telulose Ether inokuthintela ngokufanelekileyo i-sediment yamasuntswana aqinileyo anjengemigangatho kunye neefilimu kwipeyinti kwaye agcine ukufakwe kwepeyinti.
Ipropathi yokwenza ifilimu: I-Telupelose Ether inokuchaphazela ipropathi yokwakha ifilimu yepeyinti, esenza ukuba i-caideng inobunzima kunye nokuqina.
Zininzi iindidi zeselpulose Telupyl Selelose (MC), i-HydroxyEtheetheetheethl yeselling (HPMC), njl. Njl. Njl.
2. Izizathu eziphambili zokuncitshiswa kwe-viscofity
Ngexesha lokugcina iingubo, ukuncitshiswa kwe-viscosity ikakhulu kubangelwa zezi zizathu zilandelayo:
(1) Ukonakaliswa kweSeltulose
Isiphumo sokuqaqamba kweselUSULEAS kwi-cayings kuxhomekeke kubunzima bemoyari yabo kunye nokunyaniseka kwesakhiwo sabo seemolekyuli. Ngexesha lokugcina, izinto ezinje ngeqondo lobushushu, i-acidity kunye ne-alkalinity, kwaye i-microorganisosm inokubangela ukonakaliswa kweselsese. Umzekelo, ngexesha logcino lwexesha elide, izinto ze-acidic okanye i-alkaline kwi-hydrolyling thein ye-foleculase i-eteli, kwaye ke zinciphise isiphumo semolekyuli, kwaye ke sisenza buthathaka ukuncipha kwe-vickosity.
(2) Ukuziqhelanisa nokungcungcuthekiswa kunye nokufuduka
Ukuziqhelanisa nokuzibongoza okanye ukufudukela komswakama kwi-comating kunokuchaphazela imeko ye-solyulose ether. Ngexesha lokugcina, inxalenye yamanzi inokuphuma okanye ifudukele kumphezulu wokudibana, ukwenza amanzi okusasazwa okungalinganiyo, ngaloo ndlela ichaphazela ukuncipha kwe-ether yeselfowuni kwaye kubangela ukuncipha kweendawo zasekhaya.
(3) Ukuhlaselwa yintsholongwane
Ukukhula kwe-rotional kungavela ekubambeni xa kugcinwa ngokungafanelekanga okanye izinto zokugcina zingasebenzi. I-microorganisms inokuphelisa ii-seluplose tan kunye nezinye ii-this zezinto eziphilayo, zenza buthathaka isiphumo kwaye zibangela uVekyusi walowo ukhathazekileyo ukuze kunciphe. Ingubo esekwe emanzini, ngakumbi, yinto elungileyo yokukhula kwentsholongwane kuba iqulethe inani elikhulu lamanzi.
(4) Iqondo lokushisa eliphezulu
Phantsi kweemeko zobushushu obushushu, ubume bomzimba okanye kunye nekhemikhali ye-selsulose ether molecular i-molecular iguquka. Umzekelo, i-Selessese e-Teluphus ixhaphake kwi-oxidation okanye kwi-pyrolysis kumaqondo obushushu aphezulu, okukhokelela ekuqhekekeni kwefuthe lokuqaqamba. Amaqondo obushushu aphezulu akhawulezisa ukungcungcutheka nokuvela kwamanzi kunye nokuvela kwamanzi okuchaphazela uzinzo lwe-viscofity.
I-3. Iindlela zokuphucula ukuzinza kwemali
Ukwenzela ukunciphisa ukuncipha kwe-viscofity ngexesha lokugcina kwaye kwandise ubomi bokugcina obandayo, la manyathelo alandelayo anokuthathwa:
(1) Ukukhetha i-Ether yasekunene
Iindidi ezahlukeneyo zeselpulose enina zinemisebenzi eyahlukeneyo malunga nokuzinza kozinzo. I-Selessulose eNtando enobunzima obuphezulu be-molekring ngokubanzi, kodwa uzinzo lwawo lokugcina uhlwempuzekile, ngelixa i-seluplose hast ubunzima obuphambili bunokuba nentsebenzo yokugcina i-molecular inokuba nentsebenzo yokugcina okungcono. Ke ngoko, xa uyila ifomula, i-seluplose yathi yozinzo olulungileyo kufuneka lukhethwe, okanye iiselsulose ii-TATE zidityanisiwe kunye nezinye iicuba zokuphucula ukumelana nokugcina kwabo.
(2) Lawula i-PH yoDiayikayo
I-acidity kunye ne-alkality yenkqubo yokuthuka inefuthe elibalulekileyo ekuzinziweni kwe-selulose tal. Kwisixhobo sokuqulunqwa, ukuxabiseka kwe-pH kufuneka kulawulwe ukuphepha imeko ye-acidic okanye i-alkaline yokunciphisa ukonakaliswa kweselselese. Kwangelo xesha, ukongeza isixa esifanelekileyo se-adjusister okanye i-buffer inokukunceda uzinze uzinzisa i-PH yenkqubo.
(3) Yongeza ukusetyenziswa kwezinto ezizizo
Ukwenzela ukuthintela ukhukuliseko lwe-rodial, isixa esifanelekileyo sezinto ezigciniweyo kufuneka zongezwe kwindidi. Izinto zokugcina zinokuthintela ukukhula kwee-microorganisms, ngaloo ndlela uthintela izinto eziphilayo ezifana ne-seluplose ekrwadani kwaye zigcina uzinzo. Izinto ezifanelekileyo zokugcinwa kufuneka zikhethwe ngokwesimo sokudibanisa kunye nokugcina indawo yokugcina, kwaye ukusebenza kwabo kufuneka kukhangelwe rhoqo.
(4) Lawula indawo yokugcina
Iqondo lokushisa lokugcina kunye nokufuma komswakalo kuba nefuthe ngqo kuzinzo lwe-viscofity. Ukudibana kufuneka kugcinwe kwindawo eyomileyo nengaphezulu, ukuthintela ubushushu obuphezulu kunye neemeko eziphezulu zokufuma ukunciphisa i-quotilication yeSolupent kunye ne-Ether Sether. Ukongeza, ukupakishwa okutywinwe kakuhle kunokunciphisa ngokufanelekileyo ukufuduka kunye nokuphuma kwamanzi kwaye kulibazisa ukwehla kwi-viscofity.
4. Ezinye izinto ezichaphazela i-viscofity
Ukongeza kwi-seluplose eunye, amanye amacandelo kwinkqubo ehlekisayo anokuchaphazela notshintsho kwi-viscosity. Umzekelo, uhlobo kunye noxinzelelo lwemigangatho, inqanaba lokuzibongoza kwezinyibilikisi, kunye nokungqinelana nezinye iicuba okanye abasasazi kunokuchaphazela uzinzo lokuzibamba. Ke ngoko, uyilo lupheleleyo lwefomula yokuziqengqeleka kunye nonxibelelwano phakathi kwamanqaku namanani aphambili ekufuneka aqwalaselwe.
Ukwehla kwe-vickosity ngexesha lokugcina i-comaints kunxulumene nezinto ezinje ngokunakaliswa kweselpulose enina, i-Solvent Subation, kunye nokufuduka kwamanzi. Ukwenzela ukuphucula ukugcinwa kozinzo kolondolozo, iindlela ezifanelekileyo ze-Elessulose kufuneka zikhethwe, i-PH yoqulunqo kufuneka ilawulwe, amanyathelo achasene ne-Anti-Colosion kufuneka omelezwe, kwaye imeko yogcino kufuneka iqinisekiswe. Ngoyilo olululo lwefomula kunye nolawulo olululo lokugcina, ingxaki yokwehla kwe-viscofity enqumlayo ngexesha lokunyanzelwa kunokuncitshiswa ngokufanelekileyo, kwaye ukusebenza kwemveliso kunye nokhuphiswano lwentengiso lunokuphuculwa.
IXESHA LOKUQALA: ISE-27-2024