Mawonekedwe a sodium carboxyll cellulose amagawidwanso m'makalasi ambiri malinga ndi kugwiritsa ntchito kosiyanasiyana. Makulidwe amtundu wotsuka ndi 10 ~ 70 (pansi pa 100), malire a ma vidiyo amachokera ku 200 ~ 1200 kuti azikongoletsa zodzikongoletsera ndi mafakitale ena. Onse ali pamwamba pa 1000, ndipo mafayilo osiyanasiyana ndi ofanana.
Chifukwa chogwiritsa ntchito zosiyanasiyana.
Makutu a sodium carboxyl cellose imakhudzidwa ndi kuchuluka kwake kwa stalecular, gelagenpropyl, agarn chingamu, Agar, sodium bwino, Pectin, chingamu achiarabu komanso wowuma ndipo zochokera zimagwirizana bwino (mwachitsanzo, zotsatira za synergistic).
Mtengo wa pH ndi 7, mamasukidwe a sodium carboxyl cellulose yankho ndiye mtengo wapamwamba kwambiri, ndipo mtengo wa pH ndi 4 ~ 11, ndizokhazikika. Carboxymethylcellulose mu mawonekedwe a michere ya alkali wachitsulo ndi ammonium amasungunuka m'madzi. Ayoni a CA2 +, mg2 +, fe2 + angakhudze ma visc. Zitsulo zolemera monga siliva, Barium, chromium kapena Feemium kapena Fee + zimatha kupangitsa kuti isayendetse yankho. Ngati kuchuluka kwa ma ion kumayang'aniridwa, monga kuwonjezera kwa wothandizika wa citric acid, njira yosinthira kwambiri imatha kupangika, chifukwa chofewa kapena cholimba.
Sodium Carboxymethmethmethmethmethyl cellulose ndi mtundu wa cellulose yachilengedwe, yomwe imapangidwa ndi ma celloto owuma kapena zopangira nkhuni monga monochloroortic mikhalidwe ya alkalinine.
Malinga ndi zomwe zalembedwa ndi zopangira ndi hydroxyl hydrogen mu cellulose mu gulu la carboxymethyl, mafuta osungunuka ndi mafayilo osiyanasiyana amapezeka.
Chifukwa chakuti sodium carboxymethyl cellulose ili ndi zinthu zambiri zapadera komanso zabwino kwambiri, zimagwiritsidwa ntchito kwambiri m'makampani tsiku lililonse, chakudya ndi mankhwala komanso kupanga mafakitale.
Chimodzi mwazomwe zimawonetsa bwino kwambiri za sodium Carboxyll cellulose ndiye mamasukidwe a sodium carboxyl cellulose. Mtengo wokweza ukukhudzana ndi zinthu zosiyanasiyana monga chidwi, kutentha ndi kumeta ubweya. Komabe, zinthu monga kusamvana, kutentha ndi kumeta ubweya ndi zinthu zakunja zomwe zimakhudza mamasukidwe a sodium carboxyl.
Kulemera kwake kwa maselo ndi kusefukira kwake ndi zinthu zamkati zomwe zimakhudza mafayilo a sodium carboxyl cellose yankho. Pakuwongolera kwa kupanga ndi chinthu chopanga masitepe a sodium carboxyl celloulyl
Malamulo a Newton mu rheology, chonde werengani zomwe zili "zomwe zili" mu chemistry, ndizovuta kufotokoza mu ziganizo imodzi kapena ziwiri. Ngati mukuyenera kunena: chifukwa cha kuchepetsa kwa cmc pafupi ndi madzi a Newtonia, kupsinjika kwamphepete mwa m'mphepete mwa nyanja, ndipo mofatsa pakati pawo amatchedwa kuti ma virukiti a Vinec.
Makulidwe amachokera ku mphamvu pakati pa maunyolo a cellulose, kuphatikizapo kubalalika kumakakamizidwa ndi ma hydrogen. Makamaka, polymerization wa zochokera ku cellulose si chinthu choyimira koma chokhazikika. Mu yankho, celluse yokhazikika yambiri imaphatikizidwa kuti ipange mawonekedwe a spatial. Akapangidwe ake, akuluakulu ankhondo pakati pa unyolo wazomwezo.
Kuti mupange yankho la kuchepetsa kwa cellulose, mphamvu pakati pa ma unyolo ayenera kugonjetsedwa, kotero yankho ndi kuchuluka kwa polymerization kwambiri kumafuna kupanga zotuluka. Kuti muchepetse ma visce chidwi, mphamvu yothetsera cmc yankho la cmc ndi mphamvu yokoka. Pansi pa kukhala ndi vuto lokoka, mawonekedwe a cmc yankho la CMC yokhala ndi ma polymerization ali ndi mphamvu yayikulu, ndipo kutulukako sikuchedwa. Kuyenda pang'onopang'ono kumawonetsa ma viscess.
Makutu a sodium carboxyll cellose makamaka imakhala yokhudzana ndi kunenepa, ndipo sikugwirizana kwenikweni ndi kuchuluka kwa mpweya. Kulemera kwakukulu, kulemera kwakukulu, chifukwa kuchuluka kwa kulemera kwa carboxymethyl ndikokulirapo kuposa gulu la hydroxyl.
Mchere wa sodium wa cellulose carboxyl ether, ether cywec celluus, ndi oyera oyera kapena oyera onunkhira, pafupifupi masentimita, komanso hygroscopic. Ndikosavuta kufalitsa m'madzi kuti apange yankho la colloidal colloidal, ndipo sungunuka mwamphamvu monga ethanol. PH ya 1% yothetsera yankho ndi 6.5 mpaka 8.5. Pamene pH> 10 kapena <5, Kuyimitsidwa kwa sodium carboxylmethylcelulose kumachepetsedwa kwambiri, ndipo magwiridwe antchito ndi abwino kwambiri nthawi = 7.
Ndizokhazikika. Ma IskCon amakwera mwachangu pansipa 20 ℃, ndipo amasintha pang'onopang'ono pa 45 ℃. Kutentha kwa nthawi yayitali pamwamba pa 80 ℃ kumatha kutsutsana ndi colloid ndikuchepetsa mamasukidwe komanso magwiridwe antchito kwambiri. Imasungunuka mosavuta m'madzi, ndipo yankho lake limawonekera; Imakhazikika kwambiri mu alkaline, ndipo ndizosavuta hydrolyze pamaso pa asidi. Mtengo wa pH ndi 2-3, idzafika.
Post Nthawi: Nov-07-2022