Focus on Cellulose ethers

Sodium CMC milmay

Sodium CMC milmay

Sodium carboxymethyl cellulose (CMC) waa mid aad ugu milmay biyaha, taas oo ah mid ka mid ah sifooyinka muhiimka ah oo ka qaybqaata isticmaalka baahsan ee warshadaha kala duwan.Marka lagu kala firdhiyo biyaha, CMC waxay samaysaa xalal viscous ah ama jeel, taas oo ku xidhan fiirsashada iyo miisaanka kelli ee CMC.

Ku milanka CMC ee biyaha waxaa saameeya dhowr arrimood:

  1. Darajada Beddelka (DS): CMC ee leh qiyamka sare ee DS waxay u janjeertaa inay lahaato milmi biyo badan sababtoo ah tirada korodhay ee kooxaha karboxymethyl ee lagu soo bandhigay laf dhabarta cellulose.
  2. Miisaanka Molecular: Miisaanka unugyadu sareeyo CMC waxa laga yaabaa inay muujiso heerar kala dirid oo gaabis ah marka la barbar dhigo darajooyinka miisaanka kelliyada hoose.Si kastaba ha ahaatee, mar la milmo, labadaba miisaanka kelli ee sare iyo kan hoose CMC caadi ahaan waxay sameeyaan xalal leh sifooyinka viscosity la mid ah.
  3. Heerkulka: Guud ahaan, milanka CMC ee biyaha ayaa kor u kaca heerkulka.Heerkulka sare wuxuu fududeeyaa habka kala dirida wuxuuna keenaa fuuq-bax degdeg ah ee qaybaha CMC.
  4. pH: milanka CMC ilaa xad ma saamayso pH inta u dhaxaysa inta u dhaxaysa inta u dhaxaysa codsiyada badankooda.Xalalka CMC waxay ahaanayaan kuwo xasiloon oo ku milmi kara pH ballaaran, laga bilaabo acidic ilaa xaaladaha alkaline.
  5. Kicinta: Kicinta ama isku darka waxay wanaajisaa kala dirida CMC ee biyaha iyadoo kordhinaysa xidhiidhka ka dhexeeya qaybaha CMC iyo molecules biyaha, sidaas awgeed waxay dardar galinaysaa habka fuuq-celinta.

sodium carboxymethyl cellulose (CMC) waxaa loo yaqaan milanka biyaha aad u fiican, taasoo ka dhigaysa wax lagu daro qiimo badan oo kala duwan oo codsiyo ah, oo ay ku jiraan cuntada, daawooyinka, alaabta daryeelka shakhsi ahaaneed, iyo hababka warshadaha.Awooddeeda si ay u sameyso xalal xasiloon iyo viscous waxay gacan ka geysataa shaqeynteeda sida dhumuc weyn, xasiliye, binder, iyo filim hore oo alaabooyin iyo geeddi-socodka kala duwan.


Waqtiga boostada: Mar-07-2024
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