Sodium carboxymethyl cellulose (CMC)is a carboxymethylated derivative of cellulose, inozivikanwawo secellulose gum, uye ndiyo inonyanya kukosha ionic cellulose chingamu. CMC inowanzoita anionic polymer compound inowanikwa nekuita zvechisikigo cellulose ine caustic alkali uye monochloroacetic acid. Huremu hwemamorekuru hwekomboni hunobva pamakumi emamiriyoni kusvika kumamiriyoni akati kuti.
【Properties】 Hupfu chena, isinganhuhwi, inonyungudika mumvura kuti iite yakakwira viscosity mhinduro, isinganyunguriki mu ethanol nezvimwe zvinonyungudutsa.
【Chikumbiro】Iyo ine mabasa ekumisa uye emulsification, kubatana kwakanaka uye munyu kuramba, uye inozivikanwa se "industrial monosodium glutamate", iyo inoshandiswa zvakanyanya.
Kugadzirira kweCMC
Zvinoenderana neyakasiyana etherification yepakati, kugadzirwa kwemaindasitiri kweCMC kunogona kukamurwa kuita mapoka maviri: nzira yemvura-yakavakirwa uye nzira yekunyungudutsa. Iyo nzira yekushandisa mvura seyekuita svikiro inonzi nzira inotakura mvura, iyo inoshandiswa kugadzira alkaline yepakati uye yakaderera-giredhi CMC; iyo nzira yekushandisa organic solvent seyekuita svikiro inonzi iyo solvent nzira, iyo yakakodzera kugadzirwa kwepakati uye yepamusoro-giredhi CMC. Zvose izvi maitiro anoitwa mukneader, inova nzira yekukanya uye ndiyo nzira huru yekugadzira CMC parizvino.
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nzira yemvura-based
Iyo nzira inotakurwa nemvura ndeyekutanga kugadzirwa kwemaindasitiri, iko kuita alkali cellulose ine etherifying agent mumamiriro emahara alkali nemvura. Munguva ye alkalization uye etherification maitiro, hapana organic medium muhurongwa. Izvo zvinodiwa zvemidziyo yenzira inotakurwa nemvura iri nyore, ine mari shoma uye inodhura. Izvo zvakashata ndezvekuti pane kushaikwa kwehuwandu hwemvura yepakati, uye kupisa kunokonzerwa nekuita kunowedzera tembiricha, iyo inomhanyisa kukurumidza kwekuita kwemativi, zvichikonzera kuderera kwe etherification uye hurombo hwemhando yechigadzirwa. Iyi nzira inoshandiswa kugadzirira yepakati uye yakaderera-giredhi CMC zvigadzirwa, senge detergents, textile sizing agents, nezvimwe.
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solvent nzira
Iyo nzira yekunyungudutsa inozivikanwawo seyo organic solvent nzira. Chinhu chayo chikuru ndechekuti alkalization uye etherification reactions inoitwa pasi pemamiriro ekuti iyo organic solvent inoshandiswa seyekuita svikiro (diluent). Zvinoenderana nehuwandu hwekuita diluent, inokamurwa kuita yekukanya nzira uye slurry nzira. Iyo yekunyungudutsa nzira yakafanana neyekuita kwemaitiro emvura-yakavakirwa nzira, uye ine zvakare nhanho mbiri dze alkalization uye etherification, asi maitiro ekuita zvematanho maviri aya akasiyana. Iyo yekunyungudutsa nzira inobvisa maitiro anowanikwa mumvura-yakavakirwa nzira, senge kunyura, kusvina, pulverizing, kuchembera, nezvimwe, uye alkalization uye etherification zvese zvinoitwa mukneader. Izvo zvakashata ndezvekuti tembiricha controllability ishoma, nzvimbo inodiwa uye mutengo wakakwira. Ehe, pakugadzirwa kweakasiyana emidziyo marongero, zvinodikanwa kunyatso kudzora tembiricha yehurongwa, nguva yekudyisa, nezvimwe, kuitira kuti zvigadzirwa zvine mhando yakanakisa uye kuita zvigadziriswe. Maitiro ayo ekuyerera chati inoratidzwa muMufananidzo 2.
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Mamiriro ekugadzirira kweSodiumCarboxymethyl cellulosekubva kune Agricultural By-products
Zvirimwa-zvigadzirwa zvine hunhu hwezvakasiyana uye nyore kuwanikwa, uye zvinogona kushandiswa zvakanyanya seyakagadzirwa zvinhu zvekugadzirira CMC. Parizvino, CMC kugadzira mbishi zvinhu zvinonyanya kucheneswa cellulose, zvinosanganisira donje faibha, cassava faibha, mashanga faibha, bamboo faibha, gorosi mashanga faibha, etc. Zvisinei, nekuenderera mberi kwekusimudzirwa kweCMC mashandisirwo mumararamiro ese ehupenyu, pasi peiyo iripo mbishi kugadzirisa zviwanikwa, mashandisiro akachipa uye akafara masosi emidziyo ye CMC inotarisisa zvichave zvechokwadi.
Outlook
Sodium carboxymethyl cellulose inogona kushandiswa se emulsifier, flocculant, thickener, chelating agent, water-retaining agent, adhesive, saizing agent, film-forming material, etc. Inoshandiswa zvakanyanya mumagetsi, matehwe, mapurasitiki, kudhinda, ceramics, kushandiswa kwemazuva ose Kemikari nedzimwe minda, uye nekuda kwekugadzirwa kwayo kutsva kwekushanda uye kushandiswa kwayo kunoramba kuripo. Mazuva ano, pasi pekupararira kwakapararira kwechirevo chekugadzirwa kwemakemikari yakasvibirira, tsvakurudzo yekunze pamusoroCMCtekinoroji yekugadzirira inotarisa pakutsvaga kwezvakachipa uye nyore-kuwana-kuwana biological raw materials uye nzira itsva dzekucheneswa kweCMC. Senyika ine zviwanikwa zvekurima zvakakura, nyika yangu iri mukugadziriswa kwe cellulose Mukutaura kwehunyanzvi, ine zvakanakira zvinhu zvakasvibirira, asi kunewo matambudziko akadai sekusawirirana mugadziriro yekugadzirira kunokonzerwa nemhando dzakasiyana dze biomass cellulose fiber uye misiyano mikuru muzvikamu. Pachine kushomeka mukukwana kwekushandiswa kwezvinhu zvebiomass, saka zvimwe zvinobudirira munzvimbo idzi zvinofanirwa kuitwa tsvakiridzo yakakura.
Nguva yekutumira: Kubvumbi-25-2024