Focus on Cellulose ethers

Waa maxay faraqa u dhexeeya CMC iyo MC?

Waa maxay faraqa u dhexeeya CMC iyo MC?

CMC iyo MC labaduba waa soosaarayaasha cellulose kuwaas oo sida caadiga ah loo isticmaalo dhumucyada, xidhayaasha, iyo xasiliyeyaasha ee codsiyo kala duwan, oo ay ku jiraan cuntada, daawooyinka, iyo warshadaha daryeelka shakhsi ahaaneed.Si kastaba ha ahaatee, waxaa jira farqi u dhexeeya labada kuwaas oo mudan in la xuso.

CMC, ama Carboxymethyl Cellulose, waa polymer biyo-milmi leh oo laga soo qaatay cellulose.Waxaa la abuuray iyada oo ka falcelinaysa cellulose leh sodium chloroacetate oo u beddeleysa qaar ka mid ah kooxaha hydroxyl ee cellulose oo u beddela kooxaha karboxymethyl.CMC waxaa si weyn loogu isticmaalaa alaabta cuntada, sida alaabta la dubay, caanaha, iyo suugada, iyo sidoo kale alaabta daryeelka shakhsi ahaaneed iyo daawooyinka.

MC, ama Methyl Cellulose, sidoo kale waa polymer-biyood ku milma oo ka soo jeeda cellulose.Waxa la abuuray iyada oo la falcelinaysa cellulose leh methyl chloride oo u beddesha qaar ka mid ah kooxaha hydroxyl ee cellulose-ka oo loo beddelo kooxaha methyl ether.MC waxa loo isticmaalaa sidii dhumuc, xidhe, iyo emulsifier codsiyo kala duwan, oo ay ku jiraan cuntooyinka cuntada, sida suugada, dhaymada, iyo macmacaanka la qaboojiyey, iyo daawooyinka iyo alaabta daryeelka shakhsi ahaaneed.

Mid ka mid ah farqiga muhiimka ah ee u dhexeeya CMC iyo MC waa sifooyinkooda milmay.CMC aad bay ugu diyaarsan tahay biyaha marka loo eego MC, waxayna samayn kartaa xal cad, oo viscous ah marka loo eego xaddi hoose.MC, dhanka kale, waxay caadi ahaan u baahan tahay uruurin sare iyo/ama kuleyl si ay si buuxda ugu milmaan biyaha, xalalkeeduna waxay noqon karaan kuwo mugdi badan ama daruuro leh.

Farqi kale ayaa ah habdhaqankooda xaaladaha pH ee kala duwan.CMC aad bay ugu xasiloon tahay xaaladaha acidic waxayna u dulqaadan kartaa kala duwanaanshiyaha pH ka ballaaran kan MC, kaas oo dumin kara oo lumin kara astaamihiisa dhumucyada ee deegaan acidic ah.

Labada CMC iyo MC labaduba waa unugyo cellulose oo kala duwan kuwaas oo leh sifooyin badan oo faa'iido leh oo loogu talagalay codsiyada kala duwan.Doorashada mid ka mid ah si ay u isticmaalaan waxay ku xirnaan doontaa shuruudaha gaarka ah ee codsiga iyo sifooyinka waxqabadka la doonayo.

Xanjada Cellulose


Waqtiga boostada: Mar-04-2023
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