I-Carboxymethyl Cellulose (CMC) iyinhlangano ebalulekile ye-polymer polymer esetshenziswa kabanzi ekudleni, emikhakheni, amakhemikhali nsuku zonke, izindwangu kanye nezinye izinkambu. Embonini yokudla, okunye ukusetshenziswa okubaluleke kakhulu kwe-CMC kunjengesikhulu. Abakhudlwana bayikilasi lezithasiselo ezikhulisa ukubonakala koketshezi ngaphandle kokushintsha okuningana nezinye izakhiwo zoketshezi.
1. Isakhiwo samakhemikhali kanye nomgomo wokuqina we-carboxymethyl cellulose
I-Carboxymethylcellellulose ingukususelwa kweselula eyakhiwe ngokufaka enye ingxenye yamaqembu e-hydroxyl (-Of) we-cellulose enamaqembu e-carboxymethyl (-CH2COOH). Iyunithi layo eliyisisekelo lesakhiwo liyiqoqo eliphindaphindwayo le-β-d-glucose. Ukwethulwa kwamaqembu e-carboxymethyl anikeza i-CMC hydrophility, enikeza i-soubity enhle kanye nekhono lokuqina emanzini. Umgomo wawo wokuqina usekelwe ikakhulu kumaphuzu alandelayo:
Umphumela wokuvuvukala: I-CMC izovuvukala ngemuva kokuthola ama-molecule wamanzi emanzini, yakha isakhiwo senethiwekhi, ukuze ama-molecule amanzi athunjwe esakhiweni sawo, andise ukubonwa kohlelo.
Ukushaja Umphumela: Amaqembu e-carboxyl ku-CMC azokwahlukaniswa ngokwengxenye emanzini ukukhiqiza izindleko ezingezinhle. Lawa maqembu akhokhisiwe azokwakha ukuxabana ngogesi emanzini, okwenza amaketanga ama-molelisar avele futhi akha isisombululo esinokubonakala okuphezulu.
Ubude be-Chain kanye nokuhlushwa: Ubude be-chain kanye nokuhlushwa kwesixazululo kwama-molecule e-CMC kuzothinta umphumela wayo wokuqina. Ngokuvamile ukukhuluma, kukhuphuka isisindo se-molecular, kukhula kakhulu isixazululo; Ngasikhathi sinye, ukukhuphuka kwesixazululo, ukubonakala kohlelo kuyanda.
I-Molecular Cross-Licking: Lapho i-CMC ichithwa emanzini, ngenxa yokuxhumanisa phakathi kwama-molecule kanye nokwakheka kwesakhiwo senethiwekhi, ama-molecule wamanzi akhawulelwe ezindaweni ezithile, umphumela wokwehla kwezixazululo, ngaleyo ndlela ubonise a umphumela wokuqina.
2. Ukusetshenziswa kwe-carboxymethyl cellulose embonini yokudla
Embonini yokudla, ama-carboxymethylcese asetshenziswa kabanzi njengomuntu omkhulu. Okulandelayo ezinye zezimo zesicelo ezijwayelekile:
Iziphuzo nemikhiqizo yobisi: Emajusi wezithelo kanye neziphuzo ze-lactobacillus, i-CMC ingakhuphula ukubonwa kwesiphuzo, ithuthukise ukunambitheka futhi inwebe impilo yeshelufu. Ikakhulu emikhiqizweni yobisi enamafutha aphansi futhi enamafutha, i-CMC ingathatha indawo yengxenye yamafutha obisi futhi ithuthukise ukuthungwa nokuqina komkhiqizo.
Amasoso nezinkomba: ekugqokeni kwesaladi, isoso se-tomato kanye ne-soy sauce, i-CMC isebenza njenge-ejenti enkulu kanye nokwenza umdubuli, futhi wenze umkhiqizo uzinze ngokwengeziwe.
I-Ice Cream kanye neziphuzo ezibandayo: Ukungeza i-CMC ku-ayisikhilimu neziphuzo ezibandayo kungathuthukisa ukwakheka komkhiqizo, kwenze kube nokunciphiswa futhi kuvimbele ukwakheka kwamakristalu eqhwa nokwenza ngcono ukunambitheka.
Izinkwa kanye nemikhiqizo ebhakweyo: Emikhiqizweni ephekiwe efana nesinkwa namakhekhe, i-CMC isetshenziswa njengenhlama evumayo ukuthuthukisa ukubiwa kwenhlama, yenza isinkwa sithambile, futhi sinwebe impilo eshalofini.
I-3. Ezinye izinhlelo zokusebenza zokuqina ze-carboxymethyl cellulose
Ngaphezu kokudla, i-carboxymethylcelOse ivame ukusetshenziswa njengomkhulu kuma-mithi, izimonyo, amakhemikhali nsuku kanye nezinye izimboni. Ngokwesibonelo:
Imboni yezemithi: Emithini, i-CMC ivame ukusetshenziselwa ukukhulisa ama-syrups, amaphilisi kanye namathebulethi, ukuze imithi ibe nemiphumela engcono yokubumba kanye nokuqhekeka, futhi ingathuthukisa ukuqina kwemithi.
Izimonyo namakhemikhali nsuku zonke: ngamakhemikhali nsuku zonke afana namazinyo amazinyo, i-shampoo, i-gel yokugeza, njll.
4. Ukuphepha kwe-carboxymethyl cellulose
Ukuphepha kwe-carboxymethylcellellose kuqinisekiswe izifundo eziningi. Njengoba i-CMC isuselwa ku-cellulose yemvelo futhi ingagaywe futhi ingagxili emzimbeni, imvamisa ayinamthelela omubi empilweni yabantu. Kokubili i-World Health Organisation (WHO) neKomidi elihlangene lezezimali ezithandweni zokudla (jecfa) lihlukanisa njengesengezo sokudla esiphephile. Ngendlela efanelekile, i-CMC ayikhiqizi ukusabela okunobuthi futhi inokuthambekela okuthe xaxa nemiphumela emibi emathunjini. Kodwa-ke, ukungena ngokweqile kungadala ukungakhululeki kwesisu, ngakho-ke izindinganiso zemithamo ezibekiwe kufanele zilandelwe ngokuqinile ekukhiqizeni ukudla.
I-5
I-Carboxymethylcelcellellose inezinzuzo zayo kanye nemikhawulo njengoMkhulu:
Izinzuzo: I-CMC ine-solubility enhle yamanzi, ukuqina okushisayo kanye nokuqina kwamakhemikhali, i-acid kanye ne-alkali ukumelana, futhi akuwonakaliswa kalula. Lokhu kuvumela ukuthi isetshenziswe ezindaweni ezahlukahlukene zokucubungula.
Okubi: I-CMC ingahle ibe ne-viscous kakhulu ekugxileni okuphezulu futhi ayifanele yonke imikhiqizo. I-CMC izokwehlazela imvelo ye-acid, okuholela ekunciphiseni umphumela wayo wokuqina. Ukuqapha kuyadingeka lapho kuwusebenzisa ku-acid iziphuzo noma ukudla.
Njengomkhulu obalulekile, i-carboxymethylcese isetshenziswa kabanzi ekudleni, umuthi, izimonyo nakwezinye izinkambu ngenxa yokuzinikela kwamanzi, ukuqina nokuqina. Umphumela wayo ophakeme kakhulu nokuphepha kwenza kube isengezo esisetshenziswa kakhulu embonini yanamuhla. Kodwa-ke, ukusetshenziswa kwe-CMC kudinga futhi kulawulwa ngokwesayensi ngokuya ngezidingo ezithile kanye namazinga okuthatha umthamo ukuqinisekisa ukusebenza kahle kokusebenza kwayo nokuphepha kokudla.
Isikhathi sePosi: Nov-04-2024