I-viscosity ye-Sodium Carboxymethyl Selelose yohlulwa yangamabakala amaninzi ngokusetyenziswa kwezinto ezahlukeneyo. I-viscosity yohlobo lokuhlamba yi-10 ~ 70 (ngezantsi kwe-100), umda ongaphezulu we-viscosity ususela kwi-200 ~ 1200 yokwakha umhlobiso kunye nolunye uVenkile yeBanga lokutya liphezulu nangaphezulu. Zonke zingaphezulu kwe-1000, kwaye i-viscosity yamashishini ahlukeneyo ayifani.
Ngenxa yoluhlu lwayo olubanzi lokusetyenziswa.
The viscosity of sodium carboxymethyl cellulose is affected by its relative molecular mass, concentration, temperature and pH value, and it is mixed with ethyl or carboxypropyl cellulose, gelatin, xanthan gum, carrageenan, locust bean gum, guar gum , agar, sodium alginate, pectin, gum arabic and starch and its derivatives have good ukungqinelana (okt i-nelinye)
Xa ixabiso le-pH liyi-7, i-viscosity ye-Sodium Carboxymethyl iselfowuni iphezulu, kwaye xa ixabiso le-PH liyi-4 ~ 11, lizinzile. I-carboxeymethylcelcelcelose kwifom ye-alkali yensimbi kunye nezikhuselo ze-Ammoium ziyanyibilika emanzini. I-Ions yentsimbi ye-CA2 +, MG2 +, Fe2 + inokuchaphazela uVelweni lwayo. Izinyithi ezinzima ezinje ngesilivere, ibanga, iChromium okanye Fe3 + ingayenza ukuba iphumele isisombululo. Ukuba uxinzelelo lwe-ion lulawulwa, njengokudibanisa iarhente ye-ofisi ye-Chiciric Ageric Agedi, isisombululo se-vimous sinokusekwa, sibangelwa yintsini ethambileyo okanye enzima.
I-Sodium Carboxymethyl Selelose luhlobo lwe-seluplose yendalo, eyenziwe nge-cotton lelter okanye i-pulp ye-cotton ye-cotton isuti kunye ne-Etherider Shicings kunye ne-Onochlosaces
Ngokweenkcukacha zezinto ezingafunekiyo kunye nokufakwa endaweni ye-hydroxyl hydrogen kwiyunithi ye-selselese d-glucose yiqela lebhokisi ye-carboy, i-polymer polymer ye-polymer enamagqabi afumanekayo.
Ngoba i-sodium yebhokisi yebhokisi ye-sodiumthmethyl sellies ineempawu ezininzi ezizodwa nezibalaseleyo, isetyenziswa ngokubanzi kwishishini leekhemikhali zemihla ngemihla, ukutya kunye nenye iyeza kunye nokuveliswa kwemisebenzi.
Esona sikhombisi sibalulekileyo se-sodium ye-sodium carboxethyl seluplosity yi-viscosity ye-sodium yebhokisi ye-sodium. Ixabiso le-viscofity lihambelana nezinto ezahlukeneyo ezinje ngoxinzelelo, ubushushu kunye nenqanaba le-Shear. Nangona kunjalo, imiba enjengoxinzelelo, iqondo lobushushu kunye nenqanaba le-Shear zizinto zangaphandle ezichaphazela i-viscofity ye-sodium ye-cyboxymethyl sebhokisi.
Ukuhanjiswa kwayo kwemolekyuli kunye nokuhanjiswa kwemolekyuli kukho izinto zangaphakathi ezichaphazela i-viscofity ye-sodium yebhokisi ye-sodium ye-cyboxymmethyl secoxlosethyl isisombululo. Ngolawulo lwemveliso kunye nophuhliso lwentsebenzo ye-sodium ye-sodium ye-sodium ye-sodium ye-sodium ye-sodium ye-sodium kunye nemolekyuli yemolekyuli kunye nokuhanjiswa kwemolekyuli kunexabiso elibaluleke kakhulu, ngelixa imilinganiselo idlala kuphela indima yereferensi.
Imithetho kaNewton kwi-RHOOLOGLOYO, Nceda ufunde umxholo ofanelekileyo we "RUOOLOGY" kwiChemistry yomzimba, kunzima ukuchaza kwisivakalisi esinye okanye ezibini. Ukuba kuya kufuneka uyithethe: Kwisisombululo se-CMC esisondeleyo kwi-fluid fluid, uxinzelelo lwe-Shear luhambelana nenqanaba lokucheba, kunye nokulingana phakathi kwazo kubizwa ngokuba yi-viscofity ye-viscofity okanye i-vinesity ye-kinematic.
I-Viscofity isuselwa kwimikhosi ephakathi kwe-sellulose yeemolekyuli, kubandakanya imikhosi yokusasazeka kunye neebhondi ze-hydrogen. Ngokukodwa, i-polymerization ye-selselose defultives ayisosiseko selayini kodwa isakhiwo esineswekile. Kwisisombululo, i-selli-caltied i-foll idityanisiwe ukwenza ubume benethiwekhi yendawo. Ukuqina, kokukhona mkhosi omkhulu phakathi kweemolekyuli kwisisombululo esinemiphumo.
Ukuvelisa ukuhamba kwesisombululo se-cleutlose ye-selupelose ye-seluplose, amandla phakathi kwemithanga lemolekyuli kufuneka yoyisiwe, ngoko isisombululo esinenqanaba eliphezulu le-Polymerizazazazazation lifuna ukuvela. Ngemilinganiselo ye-viscosity, amandla esisombululo se-CMC ngumxhuzulane. Ngaphantsi kwemeko yotywala rhoqo, isakhiwo sekhonkco sesisombululo se-CMC kunye nenqanaba elikhulu le-Polymerization linamandla amakhulu, kwaye ukuhamba kuyacotha. Ukuhamba kancinci kubonakalisa i-vickosity.
I-viscosity ye-Sodium Carboxymethyl Selelose ihambelana kakhulu nobunzima bemolekyuli, kwaye ayinanto incinci yokwenza into endaweni yokufaka endaweni yoko. Ngaphezulu inqanaba lokufakelwa endaweni yokufakelwa, ngakumbi ubunzima bemolekyuli, kuba ubunzima bemolekyuli yeqela lebhokisi lebhokisi ye-carboxymmethyl likhulu kuneqela langaphambili le-hydroxyl.
Ityuwa yesodium ye-carboydymethyl i-ether, i-anuonic selsulose ether, i-fibir emhlophe okanye i-fibirm emhlophe okanye i-fibirm emhlophe, enesingqala, kunye ne-hygroscopic. Kulula ukusasaza emanzini ukwenza isisombululo se-colloidal esibonakalayo, kwaye asinyibiliki kwizinyibilikisi ezifana ne-ethanol. I-PH ye-1% isisombululo esiyi-6.5 ukuya ku-8.5. Xa i-PH> 10 okanye <5, i-viscosity ye-sodium ye-sodium ye-sodiumdymethylcelose incitshisiwe kakhulu, kwaye intsebenzo yeyona ilungileyo xa i-PH = 7.
Ilungile ngokulinganayo. I-viscosity iphakama ngokukhawuleza ngaphantsi kwe-20 ℃, kwaye itshintsha kancinci nge-45 ℃. Ukufudumeza ixesha elide ngaphezulu kwe-80 ℃ kungayilwa i-colloid kwaye inciphise i-viscofity kunye nokusebenza kakhulu. Inyibilika ngokulula emanzini, kwaye isicombululo sibonakala; Iluzinzile kakhulu kwisisombululo se-alkaline, kwaye kulula ukuba u-hydrolyze phambi kwe-acid. Xa ixabiso le-PH liyi-2-3, iya kuchama.
IXESHA LOKUQALA: UNv-07-2022