ICarboxymethylcellulose (CMC), Eyaziwa njengetshungama yeselulosi, iphuma kwizinto ezininzi kwaye isetyenziswa ngokubanzi kwiselulosi enezicelo ezininzi kumashishini ahlukeneyo.Le polymer enyibilikayo emanzini iphuma kwi-cellulose, i-polymer yendalo efumaneka kwiindonga zeseli zezityalo.Kolu phononongo lubanzi, sijonga kubume be-carboxymethylcellulose, iipropathi zayo, iinkqubo zokuvelisa, kunye nezicelo ezahlukeneyo kulo lonke ukutya kunye nesiselo, amayeza, izithambiso, amalaphu, kunye namanye amashishini.
Ulwakhiwo lweCarboxymethylcellulose (CMC):
I-Carboxymethylcellulose iveliswa ngokuguqula iikhemikhali zeselulosi ngokusebenzisa i-etherification kunye neenkqubo ze-carboxymethylation.Olu tshintsho lubandakanya ukwazisa amaqela e-carboxymethyl kwi-cellulose backbone.I-degree of substitution (DS), emele inani eliqhelekileyo lamaqela e-carboxymethyl kwiyunithi ye-anhydroglucose kwi-cellulose, inokulawulwa ngexesha lenkqubo yokuvelisa.Olu hlengahlengiso lunika iipropati ezithile kwi-CMC, iyenza inyibilike emanzini kwaye ilungele uluhlu olubanzi lwezicelo.
Iimpawu zeCarboxymethylcellulose:
1. Ukunyibilika kwamanzi:
Enye yeempawu eziphambili zeCMC kukunyibilika kwayo emanzini.Inyibilika emanzini ukwenza isisombululo esicacileyo, esibonakalayo.Lo mhlaba uxabiseke kakhulu kumashishini apho amayeza asekelwe emanzini akhethwayo.
2. Ulawulo lweViscosity:
I-CMC yaziwa ngokukwazi kwayo ukulawula i-viscosity yezisombululo ezinamanzi.Oku kuyenza ibe yi-arhente etyebisayo enexabiso kwizicelo ezahlukeneyo, ukusuka kwimveliso yokutya ukuya kwimixube yamayeza.
3. Uzinziso kunye nokunqunyanyiswa:
I-CMC isebenza njengesizinzisi kwaye ingasetyenziselwa ukunqumamisa amasuntswana aqinileyo kulwelo.Oku kubalulekile kumashishini afana nokutya kunye namayeza, apho ukuhanjiswa okufanayo kwezithako kubalulekile.
4. IiPropati zokuSebenza ifilimu:
I-CMC ibonisa iipropati zokwenza ifilimu, iyenza ibe luncedo kwizicelo apho ukubunjwa kwefilimu encinci, eguquguqukayo kunqweneleka.Le propathi isetyenziswa kumashishini afana nelaphu, apho iCMC iqeshwe kwiinkqubo zokulinganisa kunye nokugqiba.
5. I-Biodegradability:
I-CMC ithathwa njengenobuhlobo nokusingqongileyo njengoko isuka kwimithombo ehlaziyekayo kwaye iyabola.Oku kuhambelana nogxininiso olukhulayo kwizinto ezizinzileyo kunye ne-eco-friendly kumashishini ahlukeneyo.
Inkqubo yokwenziwa kweCarboxymethylcellulose:
Ukuveliswa kwe-CMC kubandakanya amanyathelo amaninzi, ngokuqala ngokukhethwa komthombo we-cellulose.I-Wood pulp yinto eqhelekileyo yokuqalisa, nangona umqhaphu kunye neminye imithombo esekelwe kwisityalo nayo ingasetyenziswa.I-cellulose iphantsi kwe-alkali-catalyzed reaction kunye ne-sodium monochloroacetate, ekhokelela kwi-carboxymethylation.Iqondo lokutshintshwa lilawulwa ukufezekisa iipropati ezifunwayo kwizicelo ezithile.Ukusabela kulandelwa yi-neutralization kunye neenkqubo zokucoca ukufumana imveliso yokugqibela yeCMC.
Ukusetyenziswa kweCarboxymethylcellulose:
1. Ishishini lokutya neziselo:
I-CMC isetyenziswa ngokubanzi kushishino lokutya njenge-thickener, stabilizer, kunye ne-texturizer.Ifumaneka kwiimveliso ezifana ne-ayisikrimu, iisosi, iilokhwe, kunye nezinto ezibhakiweyo.Kwiziselo, i-CMC isetyenziselwa ukuzinzisa kunye nokumisa amasuntswana ekwenziweni.
2. Amachiza:
Ekuqulunqweni kwamachiza, i-CMC isebenza njenge-binder kwi-tablet yokuvelisa, ibonelela ngokubambisana kwizithako ezinomgubo.Ikwasetyenziswa njenge-viscosity modifier kumayeza angamanzi kunye ne-arhente yokumisa ukunqunyanyiswa komlomo.
3. Izithambiso kunye neeMveliso zokuKhathalela umntu:
I-CMC ikhona kwizinto ezahlukeneyo zokuthambisa kunye nenkathalo yobuqu, kubandakanya iikhrimu, iiloshini, iishampu, kunye nentlama yamazinyo.Ukuqiniswa kwayo kunye nokuzinzisa iipropati zenza igalelo kwi-texture jikelele kunye nokusebenza kwezi mveliso.
4. Iimpahla:
Kushishino lwamalaphu, i-CMC isetyenziswa kwimisebenzi yokulinganisa, apho inika amandla kunye nokuguquguquka kwimisonto.Ikwasetyenziswa kwiinkqubo zokugqiba ukwenza umphezulu ogudileyo kunye nofanayo kwiilaphu.
5. Ishishini le-oyile negesi:
I-CMC isetyenziswa ekugrumbeni ulwelo kwishishini leoli negesi.Isebenza njenge-viscosifier kunye nesinciphisi-ilahleko yolwelo, inegalelo kuzinzo kunye nokusebenza kolwelo lokomba kwiimeko ezinzima zejoloji.
6. Umzi mveliso wamaphepha:
Ekwenzeni iphepha, i-CMC isetyenziswa njengogcino kunye noncedo lokukhupha amanzi.Iphucula ukugcinwa kweengqungquthela ezintle, ezikhokelela ekuphuculeni umgangatho wephepha kunye nokwandisa ukusebenza kakuhle kwinkqubo yokwenza iphepha.
7. Izicoci kunye neeMveliso zokuCoca:
I-CMC yongezwa kwizinto zokucoca kunye neemveliso zokucoca ukuphucula i-viscosity kunye nokuzinza.Igalelo ekuhanjisweni okufanayo kwezithako ezisebenzayo kunye nokuncedisa ekukhuseleni ukuhlalisa okanye ukuhlukana.
8. Iipeyinti kunye neeNqaku:
I-CMC iqeshwe ekuyilweni kweepeyinti ezisekelwe emanzini kunye neengubo.Isebenza njenge-thickener, igalelo lokuhambelana okufunwayo kwemveliso ngexesha lokusetyenziswa.
Iintsingiselo zexesha elizayo kunye neNgqwalasela:
Njengoko amashishini eqhubeka nokukhula, kukho ugxininiso olukhulayo kwizinto ezizinzileyo kunye nezokusingqongileyo.I-Carboxymethylcellulose, ephuma kwimithombo evuselelekayo kunye nokubonisa ukubola kwe-biodegradability, ihambelana nale mikhwa.Uphando oluqhubekayo kunye neenzame zophuhliso zinokujolisa ekuphuculeni ngakumbi iinkqubo zokuvelisa kunye nokuphonononga izicelo ezitsha ze-CMC kumashishini asakhasayo.
Isiphelo:
ICarboxymethylcellulose, kunye nendibaniselwano ekhethekileyo yeepropathi kunye nokusetyenziswa kuyo yonke imizi-mveliso eyahlukeneyo, iye yaba yinxalenye yokwenziwa kweemveliso ezininzi.Ukusuka ekuphuculeni ukuthungwa kweemveliso zokutya ukuya ekwandiseni ukusebenza kwamayeza kunye negalelo kumgangatho weempahla ezilukiweyo, i-CMC idlala indima eninzi.Njengoko itekhnoloji ihambela phambili kunye nemfuno yezixhobo ezizinzileyo nezisebenzayo zisanda, ukuguquguquka kwe-carboxymethylcellulose kuyibeka njengomdlali ophambili kumhlaba wesayensi yezinto zanamhlanje.Ukwenziwa kwezinto ezintsha kunye nentsebenziswano phakathi kwabaphandi, abavelisi, kunye nabasebenzisi bokugqibela baya kutyhila izinto ezintsha ezinokwenzeka ze-CMC, iqinisekisa ukubaluleka kwayo kunye nokubaluleka kwiminyaka ezayo.
Ixesha lokuposa: Jan-05-2024