1. Takaitaccen Gabatarwa na Carboxymethyl Cellulose
Sunan Turanci: Carboxyl methyl Cellulose
Takaitaccen Bayani: CMC
Tsarin kwayoyin halitta yana da bambanci: [C6H7O2(OH)2CH2COONa]n
Bayyanar: farin foda mai launin rawaya ko haske mai launin shuɗi.
Narkewar ruwa: yana narkewa cikin sauƙi a cikin ruwa, yana samar da colloid mai haske, kuma maganin yana tsaka tsaki ko ɗan alkaline.
Siffofi: Babban sinadarin kwayoyin halitta na colloid mai aiki a saman, ba shi da ƙamshi, ba shi da ɗanɗano kuma ba shi da guba.
Cellulose na halitta yana yaɗuwa sosai a yanayi kuma shine mafi yawan polysaccharide. Amma a samarwa, cellulose yawanci yana wanzuwa a cikin nau'in sodium carboxymethyl cellulose, don haka cikakken sunan yakamata ya zama sodium carboxymethyl cellulose, ko CMC-Na. Ana amfani dashi sosai a masana'antu, gini, magani, abinci, yadi, yumbu da sauran fannoni.
2. Fasahar cellulose ta Carboxymethyl
Fasahar gyaran cellulose ta haɗa da: etherification da esterification.
Canjin carboxymethyl cellulose: amsawar carboxymethylation a cikin fasahar etherification, cellulose ana carboxymethylated don samun carboxymethyl cellulose, wanda ake kira CMC.
Ayyukan maganin ruwa na carboxymethyl cellulose: kauri, samar da fim, haɗawa, riƙe ruwa, kariyar colloid, emulsification da dakatarwa.
3. Haɗakar sinadarai na carboxymethyl cellulose
Haɓakar alkali ta cellulose:
[C6H7O2(OH) 3]n + nNaOH→[C6H7O2(OH) 2ONa ]n + nH2O
Sakamakon etherification na monochloroacetic acid bayan alkali cellulose:
[C6H7O2(OH) 2ONa ]n + nClCH2COONa →[C6H7O2(OH) 2OCH2COONa ]n + nNaC
Saboda haka: tsarin sinadaran da ake amfani da shi wajen samar da carboxymethyl cellulose shine: Cell-O-CH2-COONa NaCMC
Sodium carboxymethyl cellulose(NaCMC ko CMC a takaice) wani sinadari ne mai narkewar ruwa wanda zai iya sa dankowar sinadaran ruwan da aka fi amfani da su ya bambanta daga 'yan cP zuwa dubban cP.
4. Halayen samfurin carboxymethyl cellulose
1. Ajiye maganin CMC mai ruwa: Yana da ƙarfi a ƙarƙashin ƙarancin zafin jiki ko hasken rana, amma acidity da alkalinity na maganin za su canza saboda canjin zafin jiki. A ƙarƙashin tasirin hasken ultraviolet ko ƙananan halittu, ɗanɗanon maganin zai ragu ko ma ya lalace. Idan ana buƙatar ajiya na dogon lokaci, ya kamata a ƙara mai kiyayewa mai dacewa.
2. Hanyar shiri na maganin ruwa na CMC: a fara sanya barbashi su jike da juna, wanda hakan zai iya ƙara yawan narkewar su sosai.
3. CMC yana da tsafta kuma ya kamata a kare shi daga danshi yayin ajiya.
4. Gishirin ƙarfe masu nauyi kamar zinc, jan ƙarfe, gubar, aluminum, azurfa, ƙarfe, tin, da chromium na iya haifar da fashewar CMC.
5. Ruwan sama yana faruwa a cikin ruwan da ke ƙasa da PH2.5, wanda za'a iya dawo da shi bayan an cire shi ta hanyar ƙara alkali.
6. Duk da cewa gishiri kamar calcium, magnesium da gishirin tebur ba su da tasirin ruwan sama a kan CMC, za su rage danko na maganin.
7. CMC ya dace da sauran manne, masu laushi da resins masu narkewa cikin ruwa.
8. Saboda bambancin sarrafawa, bayyanar CMC na iya zama foda mai kyau, hatsi mai kauri ko fiber, wanda ba shi da alaƙa da halayen jiki da sinadarai.
9. Hanyar amfani da foda na CMC abu ne mai sauƙi. Ana iya ƙara shi kai tsaye a narkar da shi a cikin ruwan sanyi ko ruwan dumi a zafin 40-50°C.
5. Matakin maye gurbin da kuma narkewar carboxymethyl cellulose
Matsayin maye gurbin yana nufin matsakaicin adadin ƙungiyoyin sodium carboxymethyl da aka haɗa a kowace naúrar cellulose; matsakaicin ƙimar matakin maye gurbin shine 3, amma mafi amfani a masana'antu shine NaCMC tare da matakin maye gurbin wanda ya bambanta daga 0.5 zuwa 1.2. Halayen NaCMC tare da matakin maye gurbin 0.2-0.3 sun bambanta sosai da na NaCMC tare da matakin maye gurbin 0.7-0.8. Na farko yana narkewa kaɗan ne kawai a cikin ruwan pH 7, amma na biyun yana narkewa gaba ɗaya. Akasin haka gaskiya ne a ƙarƙashin yanayin alkaline.
6. Digirin polymerization da danko na carboxymethyl cellulose
Digirin Polymerization: yana nufin tsawon sarkar cellulose, wanda ke ƙayyade danko. Tsawon sarkar cellulose, girman danko, haka nan kuma maganin NaCMC.
Danko: Maganin NaCMC ruwa ne da ba na Newtonian ba, kuma dankonsa yana raguwa lokacin da ƙarfin yankewa ya ƙaru. Bayan an dakatar da juyawa, dankonsa ya ƙaru daidai gwargwado har sai ya kasance mai ƙarfi. Wato, maganin yana da thixotropic.
7. Tsarin amfani da carboxymethyl cellulose
1. Masana'antar gini da yumbu
(1) Rufin gine-gine: warwatse mai kyau, rarraba shafi iri ɗaya; babu layi, kwanciyar hankali mai kyau; kyakkyawan tasirin kauri, damƙar shafi mai daidaitawa.
(2) Masana'antar yumbu: ana amfani da shi azaman abin ɗaurewa mara komai don inganta filastik na yumbu; glaze mai ɗorewa.
2. Masana'antar wanke-wanke, kayan kwalliya, taba, buga yadi da rini
(1) Wankewa: Ana ƙara CMC a cikin sabulun wanki don hana dattin da aka wanke sake zuba a kan masakar.
(2) Kayan kwalliya: kauri, warwatsewa, dakatarwa, daidaita abubuwa, da sauransu. Yana da amfani a ba da cikakken wasa ga halaye daban-daban na kayan kwalliya.
(3) Taba: Ana amfani da CMC don haɗa takardar taba, wanda zai iya amfani da guntu yadda ya kamata kuma ya rage yawan ganyen taba da ba a danye ba.
(4) Yadi: A matsayin abin da ke ƙara wa masaku ƙarfi, CMC na iya rage tsallaka zare da karyewar ƙarshen zare a kan na'urorin da ke aiki da sauri.
(5) Bugawa da rini: Ana amfani da shi wajen buga manna, wanda zai iya haɓaka ƙarfin rini mai kyau da kuma shiga jiki, ya sa rini ya zama iri ɗaya da kuma rage bambancin launi.
3. Masana'antar na'urar walda da sauro
(1) Na'urorin Sauro: Ana amfani da CMC a cikin na'urorin sauro don haɓaka ƙarfin na'urorin sauro da kuma rage yuwuwar karyewa da karyewa.
(2) Electrode: Ana amfani da CMC a matsayin abin shafawa mai walƙiya don sa murfin yumbu ya yi kyau kuma ya yi kyau, tare da ingantaccen aikin gogewa, kuma yana da aikin ƙonewa a yanayin zafi mai yawa.
4. Masana'antar man goge baki
(1) CMC yana da kyakkyawan jituwa da kayan aiki daban-daban a cikin man goge baki;
(2) Manna yana da laushi, baya raba ruwa, baya barewa, baya kauri, kuma yana da kumfa mai yawa;
(3) Kyakkyawan kwanciyar hankali da daidaito mai dacewa, wanda zai iya ba wa man goge baki kyakkyawan siffa, riƙewa da kuma ɗanɗano mai daɗi musamman;
(4) Yana jure wa canjin yanayin zafi, danshi da kuma gyara ƙamshi.
(5) Ƙaramin yankewa da wutsiya a cikin gwangwani.
5. Masana'antar abinci
(1) Abubuwan sha masu ɗauke da sinadarin acid: A matsayin abin daidaita jiki, misali, don hana zubar ruwa da rarraba sunadaran a cikin yogurt saboda tarin abubuwa; ɗanɗano mafi kyau bayan narkewa a cikin ruwa; daidaito mai kyau na maye gurbin.
(2) Aski: Yi ruwa, mai, furotin, da sauransu. Yi cakuda iri ɗaya, mai warwatse kuma mai karko don guje wa lu'ulu'u na kankara.
(3) Burodi da burodi: CMC na iya sarrafa danko na batter, inganta riƙe danshi da tsawon lokacin da samfurin zai ɗauka.
(4) Taliya nan take: ƙara tauri da juriyar girki na taliya; tana da kyakkyawan tsari a cikin biskit da fanke, kuma saman kek ɗin yana da santsi kuma ba shi da sauƙin karyewa.
(5) Manna nan take: a matsayin tushen danko.
(6) CMC ba shi da kuzari a fannin jiki kuma ba shi da wani amfani mai yawa. Saboda haka, ana iya samar da abinci mai ƙarancin kalori.
6. Masana'antar takarda
Ana amfani da CMC don girman takarda, wanda ke sa takardar ta kasance mai yawan yawa, juriya ga shigar tawada, tarin kakin zuma mai yawa da santsi. A cikin tsarin canza launi na takarda, yana taimakawa wajen sarrafa jujjuyawar manne mai launi; yana iya inganta yanayin mannewa tsakanin zare a cikin takardar, ta haka yana inganta ƙarfi da juriyar naɗe takarda.
7. Masana'antar mai
Ana amfani da CMC wajen haƙa mai da iskar gas, haƙa rijiyoyi da sauran ayyuka.
8. Wasu
Manna takalma, huluna, fensir, da sauransu, gogewa da launuka na fata, masu daidaita wutar kashe kumfa, da sauransu.
Lokacin Saƙo: Janairu-04-2023