1. Guudmar
Kariimka carboxmekyl (cmc) waa poranic-ka anionic-ku-miric-ku-si weyn loo isticmaalo cuntada, dawooyinka, waxyaabaha la isku qurxiyo, soosaarka saliida iyo papkaget. Hanti muhiim ah oo ka mid ah cmc waa mid taagan, laakiin codsiyada wax ku oolka ah, balsha jaceylka ayaa had iyo jeer u baahan in la habeeyo si loo buuxiyo shuruudaha gaarka ah iyo shuruudaha waxqabadka.
2. Qaab dhismeedka iyo astaamaha viscosity of cmc
CMC waa nooc ka mid ah choshatylated cellulose, qaab dhismeedkeeda molikalulal ayaa go'aamiya astaamaha cod-bixinta ee xalka. Muuqaalka cmc wuxuu kuxiran yahay miisaankiisa molikalalba, heerka beddelka (DS), iyo heerkulka iyo malaaska xalka. Miisaan culus oo molika ah iyo ds sare ayaa sida caadiga ah kordhinta aragtida cmc, halka heerkulka kor u kaca ah iyo xaaladaha wejiga ee ba'an ay yareyn karaan viscosity.
3. Qaababka saamaynta waxyaabaha lagu daro ee viscosity cmc
3.1 Saamaynta Electrolyte
Electrolytes, sida cusbada (NACL, kll, CCL₂, iwm.), Waxay yareyn kartaa aragtida CMC. Electrolytetes waxay u kala baxaan ion, kaas oo difaaci kara dib-u-haynta silsilada silsiladaha cmc, yaree kordhinta silsiladaha silsiladaha, oo sidaas loo yareeyo qaboojinta xalka.
Saamaynta Ionc: Kordhinta xoogga ionic ee xalka ayaa ka takhalusi kara dacwadda moleekulka 'cmc molecules cmc', oo daciifisa cabashada inta udhaxeysa moleekulka, ka dhig silsiladaha moleekulka, oo sidaas loo yareeyo viscosity.
Saamaynta Qaadashada Kala-soocidda: Tusaale ahaan, isku-dubbaridka kooxaha si xun u eedeysan moleecules badan oo ku saabsan molokules badan oo cmc ah, ayaa si wax ku ool ah looga takhalusi karaa khidmadaha, oo ay si weyn uga takhalusi karaan iskutallaabta.
3.2 Saamaynta dareeraha dabiiciga ah
Ku darista xargaha yar-yar-yar-yar ama mid aan-ahayn 'ethar' (sida ethanol iyo popanol) ayaa beddeli kara polarity xalka xalka aqueous iyo yareynta is dhexgalka u dhexeeya moleekules cmc iyo moleekuleyada biyaha. Is dhexgalka inta udhaxeysa molicaules-ka molecules iyo molecules cmc waxay sidoo kale beddeli karaan isku xirnaanta silsiladda molikalalar, taasoo yareynaysa viscosity.
Dhaqanka Caawinta: Qalabka dabiiciga ah ayaa wax ka beddeli kara diyaarinta moleekulada biyaha ee xalka, si qayb ka mid ah rdopophiclic-ka moleculation-ka cmc ay ku duubtay xalka silsiladda, oo daciifisa kordhinta silsiladda molitalar iyo yareynta viscosity.
3.3 ph isbeddelada
CMC waa aashitada daciif ah, iyo isbeddelada PH waxay saameyn ku yeelan karaan dacwadda ay ku taal dowladdeeda iyo is dhexgalka bulshada. Xaaladaha aashitada ee aashitada, kooxda carbolecules cmc ee moleekulka cmc waxay noqdaan dhexdhexaad, yareynta cayrinta iyo sidaas darteed yareynta viscosity. Xaaladaha alkaline, in kasta oo eedeeynta ay kordhaan, alkalininity aad u xun ayaa u horseedi kara soo-saareynta silsiladda molikalalal, taasoo yareynaysa viscosity.
Saamaynta 'Isolecticricricric': Xaaladaha kudhowaad meesha ugu dhow barta isugeynta ee CMC (PH ≈ 4.5), ee loo baahan yahay silsiladda molikalalar ayaa hooseysa, yareynta cayrinta iyo sidaas darteed yareynta viscosity.
3.4 EnzyMytic Hydrolysis
Enzymes gaar ah (sida bluelusese) ayaa goyn kara silsiladda molikalalar ee CMC, markaa si weyn ayey u yareynaysaa codkeeda. EnzyMytic Hydrolysis waa geedi socod gaar ah oo si sax ah u xakamayn kara viscosity.
Habka loo yaqaan 'enzyMatic of hydrolysis'
4. Waxyaabaha lagu daro iyo codsigooda guud
4.1 Saldhigyo Enorganic
Sodium chloride (NACL): si weyn loo isticmaalo warshadaha cuntada si loo habeeyo dareeraha cuntada adoo yareynaya aragtida ah ee xalka CMC.
Kaalshiyamka Chlorium (CACL₂): Waxaa loo adeegsaday qodista saliida si loo hagaajiyo qaboojinta dareeraha qodista, kaas oo ka caawiya qaadista goo gooyn daloolada oo uu xasiliyo darbiga.
4.2 acids acids
Acid acetic (aashitada acetic)
Citric acid: Inta badan loo isticmaalo ka shaqeynta cuntada si loo waafajiyo aashitada iyo alkalinity ee xalka si loo xakameeyo viscosity.
4.3 Solvents
Ethanol: Waxaa loo adeegsaday dawooyinka iyo waxyaabaha la isku qurxiyo si loo habeeyo aragtida cmc si loo helo guryaha ku habboon ee laxiriira.
PPANOL: Waxaa loo adeegsaday howsha warshadaha si loo yareeyo aragtida ah ee xalka CMC ee qulqulka fudud iyo socodsiinta.
4.4 enzymes
Cilmiga belulase: Waxaa loo isticmaalaa ka shaqeynta dharka lagu sameeyo si loo yareeyo mowqilka jajabka sturry, oo samaynta daaqad iyo daabacaadda labiska badan.
AYYYLASE: Mararka qaarkood waxaa loo isticmaalaa warshadaha cuntada si loo habeeyo aragtida cmc si loo waafajiyo baahida loo baahan yahay ee cuntooyinka kaladuwan.
5. Waxyaabaha saameeya waxtarka ku saabsan waxyaabaha lagu daro
Waxtarka dadka lagu daro waxaa saameeya arrimo badan, oo ay ku jiraan miisaanka molikalar iyo heerka badalka CMC, uruurinta koowaad ee xalka, heerkulka, iyo jiritaanka maaddooyinka kale.
Miisaanka Moleculal: CMC oo leh culeys sare oo molikal ah waxay u baahan tahay uruurinta sare ee waxyaabaha lagu daro si aad si weyn hoos ugu dhigto viscosity.
Heerka Beddelka
Heerkulka: Heerkulka kordhay guud ahaan wuxuu kor u qaadaa waxtarka waxyaabaha lagu daro, laakiin heerkul aad u sarreeya ayaa sababi kara nabaad-guurka ama jawaab-celinta dhinaca ee ku saabsan waxyaabaha lagu daro.
Isku-darka isku dar: Waxyaabaha kale (sida sagooyinka, dhumucdu, iwm.) Waxay saameyn ku yeelan karaan waxtarka waxyaabaha lagu daro oo loo baahan yahay in loo tixgeliyo si dhammaystiran.
6. Tilmaamaha horumarinta mustaqbalka
Cilmi baarista iyo adeegsiga yareynta mowqifka ee cmc wuxuu u dhaqaaqayaa dhanka jihada cagaaran iyo waara. Kobcinta waxyaabaha lagu daro ee wax ku ool ah oo sunta ah oo hooseeya iyo sunta rasaasta, oo la saadaalinaya shuruudaha lagu isticmaalo waxyaabaha lagu daro ee jira, iyo sahaminta arjiga arjiga dhibaatooyinka nanotechnology iyo Xeerka Jacaylka ee Stral ee Xeerka Muuqaalka VCC waa dhammaan isbeddelada horumarka mustaqbalka.
Waxyaabaha lagu daro ee cagaaran: U fiirso si dabiici ah oo dabiici ah ama waxyaabo badan oo lagu faafi karo si loo yareeyo saameynta deegaanka.
Nanotechnologylogy: Adeegso dusha sare ee wax ku ool ah iyo hanaan is dhexgal oo gaar ah oo ah nanomaterials-ka si aad si sax ah u xakameyso viscosity of cmc.
Qalabka Jawaabta ee Smart: Samee waxyaabo lagu daro oo ka jawaabi kara dhiirrigelinta deegaanka (sida heerkulka, ph, ifilada, iwm.) Si loo gaaro sharci dejinta firfircoon ee Vecnic Viscosity.
Waxyaabaha lagu daro waxay door muhiim ah ka ciyaaraan sidii loo-habeyn lahaa VIMC Viscosity. Adigoo si gaar ah u dooranaya oo codsanaya waxyaabaha lagu daro, baahiyaha warshadaha kaladuwan iyo waxyaabaha macaamiisha ayaa si hufan loo fulin karaa. Si kastaba ha noqotee, si loo gaaro horumar waara, cilmi baarista mustaqbalka waa inay diirada saartaa horumarka cagaaran iyo waxyaabaha ku saabsan waxyaabaha lagu daro, iyo sidoo kale adeegsiga tikniyoolajiyadda cusub ee qaanuunka viscosity.
Waqtiga Post: Feb-17-2025