1. Takaitaccen Gabatarwa na Carboxymethyl Cellulose
Sunan Ingilishi: Carboxyl methyl Cellulose
Gaggawa: CMC
Tsarin kwayoyin halitta mai canzawa ne: [C6H7O2(OH)2CH2COONa]n
Bayyanar: fari ko haske rawaya fibrous granular foda.
Solubility na ruwa: sauƙi mai narkewa a cikin ruwa, samar da colloid mai haske, kuma maganin shine tsaka tsaki ko dan kadan alkaline.
Fasaloli: Babban fili na kwayoyin halitta na surface mai aiki colloid, mara wari, mara daɗi kuma mara guba.
Cellulose na halitta yana yadu a cikin yanayi kuma shine mafi yawan polysaccharide. Amma a cikin samarwa, cellulose yawanci yana samuwa a cikin nau'i na sodium carboxymethyl cellulose, don haka cikakken suna ya kamata ya zama sodium carboxymethyl cellulose, ko CMC-Na. Ana amfani da shi sosai a masana'antu, gine-gine, magunguna, abinci, yadi, yumbu da sauran fannoni.
2. Carboxymethyl cellulose fasaha
Fasahar gyare-gyare na cellulose ya haɗa da: etherification da esterification.
Canji na carboxymethyl cellulose: carboxymethylation dauki a etherification fasaha, cellulose ne carboxymethylated don samun carboxymethyl cellulose, ake magana a kai a matsayin CMC.
Ayyuka na carboxymethyl cellulose ruwa bayani: thickening, film forming, bonding, ruwa riƙewa, colloid kariya, emulsification da kuma dakatar.
3. Chemical dauki na carboxymethyl cellulose
Halin alkalization na cellulose:
[C6H7O2(OH) 3]n + nNaOH→[C6H7O2(OH) 2ONa ]n + nH2O
Halin etherification na monochloroacetic acid bayan alkali cellulose:
[C6H7O2(OH) 2ONa]n + nClCH2COONa →[C6H7O2(OH) 2OCH2COONa ]n + nNaC
Saboda haka: dabarar sinadarai don samar da carboxymethyl cellulose shine: Cell-O-CH2-COONa NaCMC
sodium carboxymethyl cellulose(NaCMC ko CMC a takaice) shine ether cellulose mai narkewa da ruwa wanda zai iya sanya danko na mafi yawan amfani da tsarin maganin ruwa ya bambanta daga ƴan cP zuwa dubun cP.
4. Halayen samfur na carboxymethyl cellulose
1. Adana maganin ruwa na CMC: Yana da kwanciyar hankali a ƙarƙashin ƙananan zafin jiki ko hasken rana, amma acidity da alkalinity na maganin zai canza saboda canjin yanayin zafi. A ƙarƙashin rinjayar hasken ultraviolet ko microorganisms, danko na maganin zai ragu ko ma ya lalace. Idan ana buƙatar ajiya na dogon lokaci, ya kamata a ƙara ma'auni mai dacewa.
2. Shiri Hanyar CMC ruwa mai ruwa bayani: sa barbashi uniformly rigar farko, wanda zai iya muhimmanci ƙara rushe kudi.
3. CMC shine hygroscopic kuma ya kamata a kiyaye shi daga danshi yayin ajiya.
4. Gishiri mai nauyi irin su zinc, jan karfe, gubar, aluminum, azurfa, baƙin ƙarfe, tin, da chromium na iya haifar da haɓakar CMC.
5. Hazo yana faruwa a cikin bayani mai ruwa a ƙasa PH2.5, wanda za'a iya dawo da shi bayan neutralization ta ƙara alkali.
6. Kodayake gishiri irin su calcium, magnesium da gishiri na tebur ba su da tasirin hazo a kan CMC, za su rage danko na maganin.
7. CMC ya dace da sauran manne masu narkewa da ruwa, masu laushi da resins.
8. Saboda daban-daban aiki, bayyanar CMC na iya zama lafiya foda, m hatsi ko fibrous, wanda ba shi da dangantaka da jiki da kuma sinadaran Properties.
9. Hanyar yin amfani da foda CMC yana da sauƙi. Ana iya ƙara shi kai tsaye kuma a narkar da shi a cikin ruwan sanyi ko ruwan dumi a 40-50 ° C.
5. Digiri na maye gurbin da solubility na carboxymethyl cellulose
Matsayin maye gurbin yana nufin matsakaicin adadin sodium carboxymethyl ƙungiyoyin da aka haɗe zuwa kowane rukunin cellulose; Matsakaicin ƙimar matakin maye gurbin shine 3, amma mafi fa'ida a masana'antu shine NaCMC tare da digiri na maye wanda ya bambanta daga 0.5 zuwa 1.2. Kaddarorin NaCMC tare da digiri na maye gurbin 0.2-0.3 sun bambanta da na NaCMC tare da digiri na canji na 0.7-0.8. Na farko yana iya narkewa kawai a cikin ruwan pH 7, amma ƙarshen yana narkewa gaba ɗaya. Akasin hakan gaskiya ne a ƙarƙashin yanayin alkaline.
6. Polymerization digiri da danko na carboxymethyl cellulose
Digiri na polymerization: yana nufin tsayin sarkar cellulose, wanda ke ƙayyade danko. Tsawon sarkar cellulose, mafi girman danko, haka ma maganin NaCMC.
Dangantaka: Maganin NaCMC wani ruwa ne wanda ba na Newtonian ba, kuma ɗanƙon da yake gani yana raguwa lokacin da ƙarfin ƙarfi ya karu. Bayan an dakatar da motsawa, danko ya karu daidai gwargwado har sai ya tsaya. Wato, maganin shine thixotropic.
7. Aikace-aikacen kewayon carboxymethyl cellulose
1. Gine-gine da masana'antar yumbu
(1) Gine-ginen gine-gine: watsawa mai kyau, rarraba suturar uniform; babu shimfidawa, kwanciyar hankali mai kyau; mai kyau thickening sakamako, daidaitacce shafi danko.
(2) Masana'antar yumbu: ana amfani da shi azaman mai ɗaure mara amfani don haɓaka filastik yumbu mai yumbu; m glaze.
2. Wanke, kayan kwalliya, taba, bugu da rini
(1) Wanke: Ana ƙara CMC a cikin kayan wanka don hana dattin da aka wanke daga sake ajiyewa a kan masana'anta.
(2) Kayan shafawa: kauri, watsawa, dakatarwa, daidaitawa, da sauransu. Yana da kyau a ba da cikakkiyar wasa ga nau'ikan kayan kwalliya.
(3) Taba: Ana amfani da CMC don haɗa zanen taba, wanda zai iya amfani da kwakwalwan kwamfuta yadda ya kamata kuma ya rage yawan danyen ganyen taba.
(4) Yadi: A matsayin wakili na gamawa don yadudduka, CMC na iya rage tsalle-tsalle na yarn da kawo ƙarshen karyewa a kan madaukai masu sauri.
(5) Bugawa da rini: Ana amfani da shi wajen buga manna, wanda zai iya inganta yanayin ruwa da shigar rini, yin rini iri ɗaya da rage bambancin launi.
3. Ciwon sauro da masana'antar walda
(1) Nadin sauro: Ana amfani da CMC a cikin coils na sauro don inganta taurin narkar sauro da kuma sa su kasa karyewa da karyewa.
(2) Electrode: Ana amfani da CMC azaman wakili mai ƙyalli don sanya suturar yumbu mafi kyawun haɗin gwiwa da kafa, tare da mafi kyawun gogewa, kuma yana da aikin ƙonawa a yanayin zafi.
4. Masana'antar man goge baki
(1) CMC yana da dacewa mai kyau tare da kayan aiki daban-daban a cikin man goge baki;
(2) Manna yana da laushi, ba ya raba ruwa, ba ya barewa, ba ya yin kauri, kuma yana da kumfa mai yawa;
(3) Kyakkyawan kwanciyar hankali da daidaituwa mai dacewa, wanda zai iya ba da man goge baki mai kyau siffar, riƙewa da dandano mai dadi musamman;
(4) Mai jure wa canjin zafin jiki, damshi da gyaran ƙamshi.
(5) Karamin sheki da wutsiya cikin gwangwani.
5. Masana'antar abinci
(1) Abin sha na acidic: A matsayin mai daidaitawa, alal misali, don hana hazo da raguwar sunadarai a cikin yogurt saboda haɗuwa; mafi kyawun dandano bayan narkewa a cikin ruwa; mai kyau musanya uniformity.
(2) Ice cream: Yi ruwa, mai, furotin, da sauransu. su samar da uniform, tarwatsawa kuma barga cakuda don guje wa lu'ulu'u na kankara.
(3) Gurasa da irin kek: CMC na iya sarrafa danko na batter, haɓaka riƙe danshi da rayuwar shiryayye na samfurin.
(4) Noodles nan take: ƙara ƙarfi da juriya na dafa abinci na noodles; yana da kyakkyawan tsari a cikin biscuits da pancakes, kuma saman cake ɗin yana da santsi kuma ba shi da sauƙin karya.
(5) Manna nan take: a matsayin gindin danko.
(6) CMC ba shi da ƙima a cikin ilimin lissafi kuma ba shi da ƙimar calorific. Don haka, ana iya samar da abinci mai ƙarancin kalori.
6. Masana'antar takarda
Ana amfani da CMC don girman takarda, wanda ke sa takarda ta sami ɗimbin yawa, tsayayyar shigar tawada mai kyau, babban tarin kakin zuma da santsi. A cikin aiwatar da launi na takarda, yana taimakawa wajen sarrafa juzu'i na manna launi; zai iya inganta yanayin mannewa tsakanin zaruruwa a cikin takarda, don haka inganta ƙarfi da juriya na takarda.
7. Masana'antar mai
Ana amfani da CMC wajen hako mai da iskar gas, hakar rijiyoyi da sauran ayyuka.
8. Wasu
Adhesives don takalma, huluna, fensir, da dai sauransu, gogewa da masu launi don fata, masu daidaitawa don kashe wuta kumfa, da dai sauransu.
Lokacin aikawa: Janairu-04-2023