ICarboxymethylcellulose (CMC), ekwabizwa ngokuba yi-cellulose gum, yipolymer eguquguqukayo enoluhlu olubanzi lwezicelo kumashishini ahlukeneyo.Le khompawundi, evela kwiselulosi, ibonisa iipropathi ezizodwa ezenza ukuba zibe yimfuneko kwimimandla enjengokutya, amayeza, izinto zokuthambisa, amalaphu, kunye nezinye ezininzi.
Ulwakhiwo neePropati
I-Cellulose, eyona polymer ininzi ye-organic emhlabeni, isebenza njengeyona nxalenye isisiseko kwiindonga zeeseli zezityalo.I-polysaccharide yomgca ehlanganiswe ngokuphindaphindiweyo kweeyunithi ze-glucose ezidityaniswe kunye ne-β (1→ 4) iibhondi ze-glycosidic.I-Carboxymethylcellulose yi-derivative ye-cellulose efunyenwe ngenkqubo yokuguqulwa kweekhemikhali.
Ukuguqulwa okuphambili kubandakanya ukwazisa amaqela e-carboxymethyl (-CH2-COOH) kumaqela e-hydroxyl ye-cellulose backbone.Le nkqubo, ngokuqhelekileyo iqhutyelwa nge-etherification okanye i-esterification reactions, inika ukunyibilika kwamanzi kunye nezinye iimpawu ezinqwenelekayo kwi-molecule ye-cellulose.
Iqondo lokuthatha indawo (DS) libhekisa kwiavareji yenani lamaqela e-carboxymethyl adityaniswe kwiyunithi nganye ye-anhydroglucose kwikhonkco leselulosi.Ichaphazela kakhulu ukunyibilika, i-viscosity, kunye nezinye iimpawu ze-CMC.Amaxabiso aphezulu e-DS akhokelela ekunyibilikeni okukhulu kunye nezisombululo ezityebileyo.
ICarboxymethylcellulose idla ngokufumaneka kumabakala ahlukeneyo, ngalinye lilungiselelwe ukuhlangabezana neemfuno ezithile zesicelo.La mabanga ahluka kwiiparameters ezifana ne-viscosity, i-degree of substitution, ubukhulu be-particle size, kunye nokucoceka.
Enye yezona zinto ziphawuleka kakhulu zeCMC kukukwazi ukwenza izisombululo ze-viscous emanzini.Nokuba kugxininiso oluphantsi, inokudala iziphumo ezityebileyo ngenxa yokuphonswa kwekhonkco le-polymer kunye nokunxibelelana neemolekyuli zamanzi.Oku kuyenza ibe yiarhente egqwesileyo yokujiya kwizicelo ezininzi.
Ngapha koko, i-carboxymethylcellulose ibonisa iipropathi ezigqwesileyo zokwenza ifilim, iyenza ibe luncedo ekudaleni iingubo kunye neefilimu ezinamaqondo ahlukeneyo okungena kunye namandla omatshini.Ezi bhanyabhanya zifumana usetyenziso kumashishini ukusuka ekupakishweni kokutya ukuya kwimixube yamayeza.
Usetyenziso
Ukuguquguquka kwe-carboxymethylcellulose kuvela kwindibaniselwano ekhethekileyo yeepropathi, okwenza ukuba ifaneleke kwiintlobo ezahlukeneyo zezicelo.Ezinye zezinto eziphambili zokusetyenziswa kweCMC ziquka:
Ishishini lokutya: Kushishino lokutya, i-carboxymethylcellulose isebenza njenge-stabilizer, thickener, kunye ne-emulsifier kuluhlu olubanzi lweemveliso.Idla ngokusetyenziswa kwiimveliso zobisi, iisosi, izinxibo, izinto ezibhakiweyo, kunye neziselo ukuphucula ukuthungwa, umlomo, kunye nokuzinza kweshelufu.Ukongeza, i-CMC isetyenziswa kwimixube engenagluten ukulinganisa ukuthungwa kwegluten kwizinto ezibhakiweyo.
Amachiza: I-CMC ifumana ukusetyenziswa okubanzi kwimixube yoxubo ngenxa yobuchule bayo bokwandisa i-viscosity kunye nokungaguquguquki kokunqunyanyiswa, i-emulsions, kunye ne-ointments.Isebenza njenge-binder kwi-tablet formulations, i-viscosity modifier kulwelo lomlomo, kunye ne-stabilizer kwi-topical creams kunye ne-lotions.Ngapha koko, i-carboxymethylcellulose isetyenziswa njenge-ejenti yokugquma iipilisi, ivumela ukukhutshwa kweziyobisi okulawulwayo kunye nokuphucula ukuginywa.
Izithambiso kunye noNonophelo loBuqu: Kwizinto zokuthambisa kunye neemveliso zokhathalelo lomntu, i-CMC isebenza njenge-thickener, stabilizer, kunye ne-ejenti yokuthambisa.Idityaniswe kwimixube efana nekhrimu, i-lotions, i-shampoos, kunye ne-toothpaste yokuphucula ukuthungwa, ukwandisa i-viscosity, kunye nokubonelela ngokugudileyo, ukuhambelana okufanayo.
Impahla: Kushishino lwamalaphu, i-carboxymethylcellulose isetyenziswa njenge-ejenti yokulinganisa ukuphucula inkqubo yokuluka kwaye inike ukuqina emalaphuni.Ikwasetyenziswa njengento etyebisayo kwipaste yokuprinta i-textile ukuqinisekisa ukufana kunye nokubukhali koyilo oluprintiweyo.
I-oyile neGesi: I-CMC isetyenziswa kwishishini leoli negesi njenge-viscosifier ekugrumbeni udaka.Inceda ukulawula ukulahleka kolwelo, ukuphucula ukucocwa kwemingxuma, kunye nokuzinzisa amaqula ngexesha lomsebenzi wokomba.Ukongeza, i-carboxymethylcellulose ifumana ukusetyenziswa kwi-hydraulic fracturing fluid ukumisa i-propants kunye nokuthwala izongezo kulwakhiwo.
Iphepha kunye nokuPakisha: Kushishino lwamaphepha, i-CMC isebenza njenge-arhente yokugquma ukuphucula iipropathi zomphezulu wephepha, ukwandisa ukuprintwa, kunye nokwandisa ukuxhathisa ukufuma.Ikwasetyenziswa njenge-agent yokulinganisa ukuphucula amandla ephepha kunye nokunciphisa ukufunxa kwamanzi.Ngaphezu koko, i-carboxymethylcellulose isetyenziselwa ukupakisha izinto zokubonelela ukuxhathisa ukufuma kunye nokuphucula ukunamathela kwiilaminates.
Ukwakhiwa: I-Carboxymethylcellulose isetyenziselwa izinto zokwakha ezifana nodaka, i-grouts, kunye ne-plaster ukuphucula ukusebenza, ukunamathela kunye nokugcinwa kwamanzi.Isebenza njenge-thickener kunye ne-rheology modifier, iqinisekisa ukusetyenziswa okufanelekileyo kunye nokusebenza kwezi zixhobo.
Ezinye ii-Aplikheshini: Ngaphaya kwemizi-mveliso ekhankanywe ngasentla, i-CMC ifumana ukusetyenziswa kwizinto ezahlukeneyo ezifana nezicoci, izinto zokuncamathelisa, iiseramics, kunye nonyango lwamanzi.Ukuguquguquka kwayo kunye nokuhambelana nezinye izinto kuyenza ibe sidibaniso esixabisekileyo kwimixube emininzi kunye neenkqubo.
Ukubaluleka kunye neeNzuzo
Ukusetyenziswa ngokubanzi kwe-carboxymethylcellulose kunokubalelwa kwiingenelo zayo ezininzi kunye neenzuzo:
Ukuguquguquka: Isakhono se-CMC sokwenza imisebenzi emininzi, kubandakanya ukutyeba, ukuzinzisa, ukubophelela, kunye nokwenziwa kwefilimu, kuyenza iguquguquke kakhulu kumashishini ahlukeneyo.
Ukhuseleko: ICarboxymethylcellulose ibonwa ngokubanzi njengekhuselekile (GRAS) ukuba isetyenziswe ngabasemagunyeni abalawulayo abafana noLawulo lokuTya kunye neDrug laseMelika (FDA).Ibeka imingcipheko encinci kwimpilo yabantu kwaye inembali ende yokusetyenziswa ngokukhuselekileyo ekutyeni, kumayeza, nakwiimveliso zokhathalelo lomntu.
I-Eco-Friendly: Njengento ephuma kwi-cellulose, i-CMC ithathwe kwimithombo yezityalo ezivuselelekayo, iyenza igcineke ngokusingqongileyo.Iyabola kwaye ayinagalelo kungcoliseko lokusingqongileyo.
Iindleko-Ukusebenza: I-Carboxymethylcellulose inikezela ngesisombululo esineendleko zokuphucula iimpawu zeemveliso ezahlukeneyo kunye nokuqulunqwa.Ixabiso layo eliphantsi xa lithelekiswa nezinye izongezo zenza kube yinto ekhethwayo kubakhiqizi abaninzi.
Ukusebenza: Iipropati ezizodwa ze-CMC, ezifana nokukwazi ukwenza ukumiswa okuzinzileyo, iigels ezityebileyo, kunye neefilimu ezinamandla, zinegalelo ekusebenzeni okuphuculweyo kunye nomgangatho weemveliso zokugqibela.
Ukuthotyelwa koLawulo: I-Carboxymethylcellulose ihambelana nemigangatho yokulawula kunye neemfuno kumashishini ahlukeneyo, iqinisekisa ukhuseleko lwemveliso kunye nomgangatho.
I-carboxymethylcellulose (CMC) idlala indima ebalulekileyo kumashishini amaninzi njengepolymer eguquguqukayo enezicelo ezahlukeneyo.Ukusuka kukutya kunye namayeza ukuya kwiimpahla kunye nokwakhiwa, i-CMC ibonelela ngeempawu ezizodwa eziphucula ukusebenza, umgangatho, kunye nokusebenza koluhlu olubanzi lweemveliso kunye nokwakheka.Ukhuseleko, uzinzo, kunye nokusebenza kakuhle kweendleko kunegalelo ekubalulekeni kwayo kwiinkqubo zale mihla zokwenziwa kwemveliso.Njengoko uphando kunye nolutsha luqhubeka nokwandisa ukuqonda kwe-cellulose derivatives, izicelo kunye nokubaluleka kwe-carboxymethylcellulose kulindeleke ukuba zikhule ngakumbi kwiminyaka ezayo.
Ixesha lokuposa: Mar-20-2024