Focus on Cellulose ethers

Diyaarinta carboxymethyl cellulose

Carboxymethyl Cellulose ( Af-Ingiriis: Carboxymethyl Cellulose, CMC si kooban) waa cunto lagu daro inta badan la isticmaalo, milixdeeda sodium (sodium carboxymethyl cellulose) ayaa inta badan loo isticmaalaa dhumuc iyo koollo ahaan.

Carboxymethyl cellulose waxaa loo yaqaan monosodium glutamate warshadaha, taas oo si weyn loogu isticmaalo wax soo saarka warshadaha oo keenaya qiimo isticmaalka weyn ee beeraha kala duwan ee wax soo saarka.Carboxymethyl cellulose waa walax budo ah, oo aan sun ahayn, laakiin way fududahay in lagu milmo biyaha.Waxay ku milmaysaa biyo qabow iyo biyo kulul, laakiin waa mid aan lagu milmi karin dareerayaasha organic.Waxay noqon doontaa dareere viscos ah ka dib kala dirida, laakiin mawqifku wuu kala duwanaan doonaa sababtoo ah kor u kaca iyo hoos u dhaca heerkulka.Sababo la xiriira hantideeda gaarka ah, waxaa jira shuruudo badan oo gaar ah oo kaydinta iyo gaadiidka ah.

sifooyinka jirka iyo kiimikaad

Carboxymethyl cellulose waa walax huruud ah oo cad ama iftiin ah, aan ur lahayn, aan dhadhamin, granules hygroscopic, budada ama fiilooyinka wanaagsan.

※Pdib u hagaajin

Carboxymethylcellulose waxa lagu farsameeyaa falcelinta-catalyzed ee cellulose oo leh chloroacetic acid.Polar (organic acid) kooxaha karboksylku waxay sameeyaan cellulose mid milmaya oo kiimiko ahaan falceliya.Falcelinta bilawga ah ka dib, isku darka ka dhashay wuxuu keenay qiyaastii 60% CMC iyo 40% cusbo (sodium chloride iyo sodium glycolate).Alaabta ayaa ah waxa loogu yeero warshadaha CMC ee saabuunta.Cusbadaas waxaa la saaraa iyadoo la isticmaalayo hannaan sifeyn dheeraad ah si loo soo saaro CMC saafi ah oo loogu isticmaalo cuntada, daawooyinka iyo ilka-cadayga.Waxaa sidoo kale la soo saaraa darajooyin dhexdhexaad ah "semi-siffy", oo inta badan loo isticmaalo codsiyada waraaqaha sida soo celinta dukumeentiyada kaydka.Noocyada shaqada ee CMC waxay ku xiran yihiin heerka beddelka qaabdhismeedka cellulose (taas oo ah, inta kooxood ee hydroxyl ee ka qaybqaata falcelinta beddelka), iyo sidoo kale dhererka silsiladda qaabka laf-dhabarka cellulose iyo heerka isku-darka laf-dhabarka cellulose .Beddelka Carboxymethyl.

※Acodsi

Carboxymethylcellulose waxaa loo isticmaalaa cuntada sidii wax ka beddelka viscosity ama dhumuc ka hooseeya lambarka E E466 ama E469 (by enzymatic hydrolysis) iyo in lagu dejiyo emulsions ee alaabooyin kala duwan, oo ay ku jiraan jalaatada.Sidoo kale waa qayb ka mid ah alaabooyin badan oo aan cunto ahayn sida daawada cadayga, dawooyinka caloosha jilcisa, kaniiniyada cuntada, rinjiga biyaha ku salaysan, saabuunta, alaabada cabbirka dharka, baakadaha kulaylka ee dib loo isticmaali karo iyo alaabooyin kala duwan oo waraaqo ah.Waxaa loo isticmaalaa ugu horrayn sababtoo ah waa viscosity sare, aan sun ahayn oo guud ahaan loo tixgeliyo hypoallergenic tan iyo fiilooyinka isha ugu muhiimsan waa saxarka alwaax jilicsan ama suufka suufka.Carboxymethylcellulose waxaa si weyn loogu isticmaalaa cuntooyinka aan lahayn gluten-free iyo cuntooyinka dufanka yar.Saabuunta dharka lagu dhaqo, waxaa loo isticmaalaa sidii ciid hakinaysa polymer loogu talagalay in lagu shubo suufka iyo maryaha kale ee cellulosic, taasoo abuuraysa caqabad si taban loogu soo oogay carrada khamriga lagu dhaqo.Carboxymethylcellulose waxa loo isticmaalaa sidii saliidayn ilmada macmal ah.Carboxymethylcellulose waxaa sidoo kale loo isticmaalaa sida wakiilka dhumucdiisuna, tusaale ahaan, in warshadaha qodista saliidda, halkaas oo ay tahay qayb ka mid ah dhoobada qodida, halkaas oo loo isticmaalo sida wax ka beddelka viscosity iyo wakiilka biyaha sii haynta.Tusaale ahaan, sodium CMC (Na CMC) ayaa loo isticmaalay xakamaynta xun ee timaha luminta bakaylaha.Maro tolan oo laga sameeyay cellulose, sida suuf ama rayn viscose, ayaa loo rogi karaa CMC-yada waxaana loo isticmaali karaa codsiyo caafimaad oo kala duwan.


Waqtiga post: Dec-03-2022
WhatsApp Online chat!