1. Warshadaha shidaalka
Sodium carboxymethyl cellulosewaxaa inta badan loo isticmaalaa soo saarista saliidda, waxaana loo isticmaalaa samaynta dhoobada si loo kordhiyo viscosity iyo yareeyo khasaaraha biyaha. Waxay iska caabin kartaa wasakhowga milixda ee kala duwan waxayna kordhin kartaa soo kabashada saliidda. Sodium carboxymethyl hydroxypropyl cellulose (NACMHPC) iyo sodium carboxymethyl hydroxyethyl cellulose (NACMHEC) waa qodida wanaagsan ee wakiilada daawaynta dhoobada iyo qalab loogu talagalay diyaarinta dareeraha dhamaystirka, oo leh heerka slurrying sare iyo caabbinta milix, Waxqabadka wanaagsan anti-kalsiyum, awoodda viscosity-kordhinta wanaagsan, caabbinta heerkulka (160 ℃) hantida Waxay ku habboon tahay diyaarinta dareeraha qodista biyaha cusub, biyaha badda iyo biyaha cusbada leh. Waxa loo qaabayn karaa dareere qodista cufnaanta kala duwan (103-127g/cm3) ee miisaanka kalsiyum chloride hoostiisa, waxayna leedahay viscosity gaar ah iyo lumis dareere hooseeya, awoodiisa kordhinta viscosity-ka iyo lumista awoodda yaraynta dareeraha ayaa ka fiican hydroxyethyl cellulose, waana wax lagu daro wanaagsan kordhinta wax soo saarka saliidda.
Sodium carboxymethyl cellulose waa soosaar cellulose ah oo si ballaaran loo isticmaalo habka soo saarista saliidda. Waxaa loo adeegsadaa dareeraha qodista, dareeraha sibidhka, dareeraha dillaaca iyo hagaajinta soo kabashada saliidda, gaar ahaan dareeraha qodista. Waxay inta badan ka ciyaartaa doorka yaraynta luminta dareeraha iyo kordhinta viscosity. Hydroxyethyl cellulose (HEC) waxaa loo isticmaalaa sidii dhoobo dhumucdi iyo xasilinta habka qodista, ceelka dhamaystirka iyo sibidhka. Marka la barbardhigo sodium carboxymethyl cellulose iyo guar xanjo, hydroxyethyl cellulose waxay leedahay saameyn dhumuc wanaagsan, hakinta ciidda xooggan, awoodda milixda sare, caabbinta kulaylka wanaagsan, iska caabin yar oo isku dhafan, lumis dareere yar, iyo jel jebinta. Block, hadhaaga hoose iyo sifooyin kale, ayaa si weyn loo isticmaalay.
2. Dhismaha, Warshadaha Rinjiga
Sodium carboxymethyl cellulose waxaa loo isticmaali karaa dib-u-dhige, wakiilka biyaha haynta, dhumuc iyo xidhaha ee dhisidda dhoobada iyo dhajinta isku-darka hoobiyeyaasha, waxaana loo isticmaali karaa malaasta, hoobiye iyo qalabka dhulka lagu simo ee saldhigga gypsum iyo saldhigga sibidhka Waxaa loo isticmaalaa sida kala firdhiso, wakiilka biyaha haynta iyo dhumuclaha. Masonry gaar ah iyo isku dhejinta hoobiyeyaal ka samaysan karboxymethyl cellulose, taas oo wanaajin karta shaqada, xajinta biyaha iyo iska caabinta dildilaaca ee hoobiye, kana fogaato dildilaaca iyo bannaanka derbiga block. durbaan. Qalabka qurxinta dusha sare ee dhismaha Cao Mingqian iyo kuwa kale ayaa ka sameeyay shay qurxinta dusha sare ee deegaanka saaxiibtinimo ku leh methyl cellulose. Habka wax soo saarka waa mid fudud oo nadiif ah. Waxaa loo isticmaali karaa darbiga heerka sare ah iyo sagxadaha dhoobada dhagaxa, waxaana sidoo kale loo isticmaali karaa qurxinta dusha sare ee tiirarka iyo taalloyinka.
3. Warshadaha kiimikada maalinlaha ah
Viscosifier sodium carboxymethyl cellulose ee xasilinta ayaa ka ciyaara doorka kala firdhinta iyo xasilinta joojinta ee alaabta koollada ah ee alaabta cayriin ee budada adag, waxayna ka ciyaaraan doorka dhumucda, kala firdhinta iyo isku-dhafka dareeraha ama qurxinta emulsion. Waxa loo isticmaali karaa xasiliye iyo tackifier ahaan. Xasijiyeyaasha Emulsion waxa loo isticmaalaa sidii emulsifiers, dhumucyo iyo xasiliyayaal boomaatada iyo shaambooyinka. Sodium carboxymethyl hydroxypropyl cellulose waxaa loo isticmaali karaa xasiliye ahaan xabagta cadayga. Waxay leedahay sifooyin thixotropic wanaagsan, taas oo ka dhigaysa cadayga wanaagsan qaabaynta, kaydinta muddada-dheer iyada oo aan qalloocin, iyo labis iyo dhadhan jilicsan. Sodium carboxymethyl hydroxypropyl cellulose waxa ay leedahay iska caabin milix ah oo heer sare ah iyo iska caabin aashito ah, saamaynteeduna aad ayay uga sarraysaa kan carboxymethyl cellulose. Waxa loo isticmaali karaa sidii dhumuc ka samaysan saabuunta iyo wakiilka wasakhda. Dhumucda kala firdhisa ee soo saarista saabuunta, sodium carboxymethylcellulose waxa guud ahaan loo isticmaalaa sida wasakhda biyaha lagu dhaqo, dhumuc iyo kala firdhiso saabuunta dareeraha ah.
4. Daawooyinka, Warshadaha Cuntada
Warshadaha dawooyinka,hydroxypropyl karboxymethylcellulose (HPMC)waxaa loo isticmaali karaa sidii dawo daroogo, oo si weyn loogu isticmaalo siidaynta matrix-ku-xakamaynta maandooriyaha afka iyo diyaarinta sii daynta joogtada ah, sida walxaha dib u dhigista sii daynta si loo xakameeyo sii daynta daroogada, iyo sida walxaha dahaarka si loo daahiyo sii deynta daroogada. Qaababka la sii daayo, pellets-sii-daynta fidsan, kaabsoosha-sii-daynta fidsan. Kuwa ugu badan ee la isticmaalo waa methyl carboxymethyl cellulose iyo ethyl carboxymethyl cellulose, sida MC, kuwaas oo inta badan loo isticmaalo samaynta kiniiniyada iyo kaabsal, ama in lagu dahaadho kaniiniyada sonkorta leh. Ethers-cellulose oo heer sare ah ayaa loo isticmaali karaa warshadaha cuntada waxayna yihiin dhumucyo wax ku ool ah, dejiyeyaal, qalab-bixiyeyaal, wakiilada biyaha celiya iyo wakiilada xumbo samaynta farsamada ee cuntooyinka kala duwan. Methyl cellulose iyo hydroxypropyl methyl cellulose ayaa loo aqoonsaday inay yihiin walxo dheef-shiid kiimikaad ah oo aan waxyeello lahayn. Nadiifin-sare (oo ka sarreeya 99.5%) karboksymethylcellulose (CMC) ayaa lagu dari karaa cuntada, sida caanaha iyo waxyaabaha labeenta, xashiishyada, macaanka, jelly, cunto qasacadaysan, sharoobada miiska iyo cabitaannada. Carboxymethyl cellulose oo leh nadiif ah in ka badan 90% ayaa loo isticmaali karaa dhinacyada cuntada la xiriira, sida gaadiidka iyo kaydinta miraha cusub. Noocaan caagga ah wuxuu leeyahay faa'iidooyinka saamaynta cusub ee haynta wanaagsan, wasakhowga yar, waxyeello ma leh, iyo wax soo saarka makaanaysan fudud.
5. Qalabka shaqada indhaha iyo korantada
Dejinta dhumucda korantada waxay leedahay nadiif sare oo ah ether cellulose, caabbinta acid wanaagsan iyo caabbinta milixda, gaar ahaan birta yar iyo maadada birta culus, sidaas darteed kolloidku waa mid aad u deggan, oo ku habboon baytariyada alkaline, baytariyada zinc-manganese ee xasilinta dhumucda Electrolyte. Ethers badan oo cellulose ah ayaa muujiya crystallinity dareere heerkulbeeg ah. Hydroxypropyl cellulose acetate waxay samaysaa kiristaalo dareeraha kolestaroolka ah ee ka hooseeya 164°C.
Waqtiga boostada: Abriil-26-2024