1. Isingeniso Esifushane se-Carboxymethyl Cellulose
Igama lesiNgisi: i-Carboxyl methyl Cellulose
Isifinyezo: CMC
Ifomula yama-molecule iyaguquguquka: [C6H7O2(OH)2CH2COONa]n
Ukubukeka: impuphu ye-granular ye-fibrous fibrous emhlophe noma ephuzi kancane.
Ukuncibilika kwamanzi: kuncibilika kalula emanzini, kwakha i-colloid ecacile ene-viscous, futhi ikhambi alithathi hlangothi noma alikapheli kancane.
Izici: Inhlanganisela yama-molecule amaningi e-colloid esebenzayo ebusweni, ayinaphunga, ayinambitheki futhi ayinabo ubuthi.
I-cellulose yemvelo isakazeke kabanzi emvelweni futhi iyi-polysaccharide eningi kakhulu. Kodwa ekukhiqizweni, i-cellulose ivame ukuba khona ngesimo se-sodium carboxymethyl cellulose, ngakho-ke igama eliphelele kufanele libe yi-sodium carboxymethyl cellulose, noma i-CMC-Na. Isetshenziswa kabanzi embonini, ekwakheni, kwezokwelapha, ekudleni, ezindwangu, ezintweni zobumba nakweminye imikhakha.
2. Ubuchwepheshe be-Carboxymethyl cellulose
Ubuchwepheshe bokuguqulwa kwe-cellulose buhlanganisa: i-etherification kanye ne-esterification.
Ukuguqulwa kwe-carboxymethyl cellulose: ukusabela kwe-carboxymethylation kubuchwepheshe be-etherification, i-cellulose i-carboxymethylated ukuthola i-carboxymethyl cellulose, ebizwa ngokuthi i-CMC.
Imisebenzi yesisombululo samanzi se-carboxymethyl cellulose: ukuqina, ukwakheka kwefilimu, ukubopha, ukugcinwa kwamanzi, ukuvikelwa kwe-colloid, i-emulsification kanye nokumiswa.
3. Ukusabela kwamakhemikhali kwe-carboxymethyl cellulose
Ukusabela kwe-cellulose alkalization:
[C6H7O2(OH) 3]n + nNaOH→[C6H7O2(OH) 2ONa ]n + nH2O
Ukusabela kwe-etherification kwe-monochloroacetic acid ngemuva kwe-alkali cellulose:
[C6H7O2(OH) 2ONa ]n + nClCH2COONa →[C6H7O2(OH) 2OCH2COONa ]n + nNaC
Ngakho-ke: ifomula yamakhemikhali yokwakha i-carboxymethyl cellulose yile: I-Cell-O-CH2-COONa NaCMC
I-sodium carboxymethyl cellulose(i-NaCMC noma i-CMC ngamafuphi) iyi-ether ye-cellulose encibilikayo emanzini engenza i-viscosity yezindlela zesisombululo samanzi ezisetshenziswa kakhulu ihluke kusukela ku-cP ezimbalwa kuya ku-cP eyizinkulungwane eziningana.
4. Izici zomkhiqizo we-carboxymethyl cellulose
1. Ukugcinwa kwesisombululo samanzi se-CMC: Sizinzile ngaphansi kokushisa okuphansi noma ukukhanya kwelanga, kodwa i-asidi kanye ne-alkalinity yesisombululo kuzoshintsha ngenxa yokushintsha kwezinga lokushisa. Ngaphansi kwethonya lemisebe ye-ultraviolet noma ama-microorganisms, i-viscosity yesisombululo izoncipha noma yonakale. Uma kudingeka isitoreji sesikhathi eside, kufanele kwengezwe isilondolozi esifanele.
2. Indlela yokulungiselela isixazululo samanzi se-CMC: yenza izinhlayiya zibe manzi ngokulinganayo kuqala, okungakhulisa kakhulu izinga lokuncibilika.
3. I-CMC i-hygroscopic futhi kufanele ivikelwe emswakama ngesikhathi igcinwa.
4. Usawoti wensimbi osindayo njenge-zinc, ithusi, i-lead, i-aluminium, isiliva, insimbi, i-tin, ne-chromium kungabangela ukuthi i-CMC ikhukhumale.
5. Ukuna kwemvula kwenzeka engxubeni yamanzi engaphansi kwe-PH2.5, engatholakala ngemva kokuncishiswa kwe-alkali.
6. Nakuba usawoti onjenge-calcium, i-magnesium kanye nosawoti wetafula ungenawo umphumela wemvula ku-CMC, uzonciphisa ukujiya kwesisombululo.
7. I-CMC iyahambisana nezinye izinamathelisi ezincibilika emanzini, izithambisi kanye nama-resin.
8. Ngenxa yokucubungula okuhlukile, ukubonakala kwe-CMC kungaba yimpuphu ecolekile, okusanhlamvu okuqinile noma okunemicu, okungenalo nhlobo uhlobo lwezinto ezibonakalayo nezamakhemikhali.
9. Indlela yokusebenzisa i-CMC powder ilula. Ingafakwa ngqo emanzini abandayo noma emanzini afudumele ku-40-50°C.
5. Izinga lokushintshaniswa kanye nokuncibilika kwe-carboxymethyl cellulose
Izinga lokushintsha libhekisela enanini elimaphakathi lamaqembu e-sodium carboxymethyl anamathele kuyunithi ngayinye ye-cellulose; inani eliphakeme lezinga lokushintsha lingu-3, kodwa eliwusizo kakhulu embonini yi-NaCMC enezinga lokushintsha elihluka kusuka ku-0.5 kuya ku-1.2. Izakhiwo ze-NaCMC ezinezinga lokushintsha elingu-0.2-0.3 zihluke kakhulu kulezo ze-NaCMC enezinga lokushintsha elingu-0.7-0.8. Elokuqala lincibilika kancane emanzini e-pH 7, kodwa elokugcina lincibilika ngokuphelele. Okuphambene nalokho kuyiqiniso ngaphansi kwezimo ze-alkaline.
6. Izinga le-polymerization kanye ne-viscosity ye-carboxymethyl cellulose
Izinga le-polymerization: libhekisela kubude bochungechunge lwe-cellulose, olunquma i-viscosity. Uma uchungechunge lwe-cellulose lude, i-viscosity iba nkulu, futhi kanjalo nesisombululo se-NaCMC.
Ukuqina: Isixazululo se-NaCMC siwuketshezi olungeyona i-Newtonian, futhi ukuqina kwaso okubonakalayo kwehla lapho amandla okusika ekhuphuka. Ngemva kokumisa ukuxuba, ukuqina kwanda ngokulinganayo kwaze kwaba yilapho sihlala sizinzile. Okusho ukuthi, ikhambi liyi-thixotropic.
7. Uhla lokusetshenziswa kwe-carboxymethyl cellulose
1. Imboni yokwakha kanye neyobumba
(1) Ukumbozwa kwezakhiwo: ukusabalala okuhle, ukusatshalaliswa okufanayo kokumbozwa; akukho ukubekelwa phansi, ukuzinza okuhle; umphumela omuhle wokujiya, ukujiya okulungisekayo kokumbozwa.
(2) Imboni ye-ceramic: isetshenziswa njenge-binder engenalutho ukuthuthukisa ubumba lwezitsha; i-glaze eqinile.
2. Izimboni zokugeza, izimonyo, ugwayi, ukunyathelisa izindwangu kanye nokudaya
(1) Ukuwasha: I-CMC ifakwa emshinini wokuwasha ukuze kuvinjelwe ukungcola okugeziwe ukuthi kungaphindi kufakwe endwangu.
(2) Izimonyo: ukuqina, ukuhlakazeka, ukumiswa, ukuzinza, njll. Kuzuzisa ukunikeza izici ezahlukahlukene zezimonyo ukusebenza okugcwele.
(3) Ugwayi: I-CMC isetshenziselwa ukubopha amashidi kagwayi, angasebenzisa ngempumelelo ama-chips futhi anciphise inani lamaqabunga kagwayi angaphekiwe.
(4) Indwangu: Njenge-ejenti yokuqeda izindwangu, i-CMC inganciphisa ukweqa kwentambo nokuqeda ukuphuka kwezintambo ezintanjeni ezisheshayo.
(5) Ukuphrinta nokudaya: Kusetshenziswa ekunyatheliseni i-paste, okungathuthukisa ikhono lamadayi lokunamathela emanzini kanye nokungena, kwenze ukudaya kufane futhi kunciphise umehluko wombala.
3. Imboni yezintambo zomiyane kanye nenduku yokushisela
(1) Ama-mosquito coil: I-CMC isetshenziswa kuma-mosquito coil ukuthuthukisa ukuqina kwama-mosquito coil nokwenza kube lula ukuwaphula nokuwaphula.
(2) I-Electrode: I-CMC isetshenziswa njenge-ejenti ye-glaze ukwenza ungqimba lwe-ceramic luhlanganiswe futhi lwakheke kangcono, ngokusebenza kangcono kokuxubha, futhi futhi inokusebenza kokusha emazingeni okushisa aphezulu.
4. Imboni yamazinyo
(1) I-CMC inokuhambisana okuhle nezinto zokusetshenziswa ezahlukahlukene ku-toothpaste;
(2) Inhlama ithambile, ayihlukanisi amanzi, ayiqhekeki, ayijiyi, futhi inegwebu elicebile;
(3) Ukuqina okuhle kanye nokuvumelana okufanele, okungenza umuthi wokuxubha ube nesimo esihle, ukugcinwa kahle kanye nokunambitheka okukhululekile ikakhulukazi;
(4) Ayimelani nokushintsha kwezinga lokushisa, inika umswakama futhi ilungisa amakha.
(5) Ukusika nokususa umsila omncane emathinini.
5. Imboni yokudla
(1) Iziphuzo ezine-asidi: Njengesiqinisi, isibonelo, ukuvimbela ukuna kanye nokuhlukaniswa kwamaprotheni ku-yogurt ngenxa yokuhlangana; ukunambitheka okungcono ngemva kokuncibilika emanzini; ukufana okuhle kokufaka esikhundleni.
(2) I-ayisikhilimu: Yenza amanzi, amafutha, amaprotheni, njll. akhe ingxube efanayo, ehlakazekile futhi eqinile ukuze kugwenywe amakristalu eqhwa.
(3) Isinkwa kanye ne-pastry: I-CMC ingalawula ukujiya kwenhlama, ithuthukise ukugcinwa komswakama kanye nokuphila kweshalofu komkhiqizo.
(4) Ama-noodle asheshayo: andisa ukuqina nokumelana nokupheka kwama-noodle; anokwakheka okuhle kumabhisikidi nama-pancake, futhi ubuso bekhekhe bubushelelezi futhi akulula ukubuphula.
(5) Inhlama esheshayo: njengesisekelo sezinsini.
(6) I-CMC ayisebenzi ngokomzimba futhi ayinawo ama-calories. Ngakho-ke, ukudla okunama-calories aphansi kungakhiqizwa.
6. Imboni yephepha
I-CMC isetshenziselwa usayizi wephepha, okwenza iphepha libe nobukhulu obuphezulu, ukumelana okuhle kokungena kweyinki, ukuqoqwa kwe-wax ephezulu kanye nokushelela. Enkambisweni yokufaka umbala ephepheni, iyasiza ukulawula ukugoqeka kwe-paste yombala; ingathuthukisa isimo sokunamathela phakathi kwemicu engaphakathi ephepheni, ngaleyo ndlela ithuthukise amandla kanye nokumelana nokugoqeka kwephepha.
7. Imboni kaphethiloli
I-CMC isetshenziswa ekubholeni uwoyela negesi, ekumbeni imithombo kanye neminye imisebenzi.
8. Abanye
Izinamathiseli zezicathulo, izigqoko, amapensela, njll., ama-polishes kanye nemibala yesikhumba, iziqinisi zezicisha-mlilo ze-foam, njll.
Isikhathi sokuthunyelwe: Jan-04-2023