Qodista saliidda darajada CMC
Tilmaamaha alaabta
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Carboxymethyl cellulose sodium cusbada waxaa inta badan loo isticmaalaa sida viscosity kordhaya iyo shaandhaynta wakiilka hoos u qodista dareeraha. Silsiladda molecular ee dheer ee carboxymethyl cellulose cusbada sodium waxay ku adkeysan kartaa qaybo badan oo dhoobo ah, waxay kordhisaa sibidhka keega dhoobada, waxay joojisaa balaadhinta fuuqbaxa dhogorta waxayna xoojin kartaa derbiga si fiican. Sodium carboxymethyl cellulose xal aqueous waxa uu leeyahay sifooyin badan oo aad u fiican iyo xasiloonida kiimikada, ma fududa in ay daxalka iyo metamorphic, dhib la'aan in ay badbaadada jireed, ganaax iyo emulsification deggan, adhesion wanaagsan iyo caabbinta milixda. Degenaansho wanaagsan oo saliidda iyo dareerayaasha organic.
(1) dhoobada ay ku jirto CMC waxay ka dhigi kartaa gidaarka ceelku inuu noqdo mid khafiif ah oo adag, keega filtarrada yareeya, si loo yareeyo khasaaraha biyaha.
(2) Ka dib marka lagu daro CMC dhoobada, daloolintu waxay heli kartaa awood hoose oo dhogorta bilawga ah, si ay dhoobadu u sahlanaato in la sii daayo gaasta ku duudduuban, qashinka si dhakhso ah ayaa loo tuuraa godka dhoobada ah.
(3) Qodista dhoobada, sida kala firdhisanaanta kale ee la hakiyey, waxay leedahay nolol cayiman, taas oo la dejin karo lana dheerayn karo iyadoo lagu daro CMC.
(4) dhoobada ay ku jirto CMC aad ayay u saamaysay caaryada sidaa darteed uma baahna in la ilaaliyo PH sare ama isticmaal waxyaalaha ilaaliya.
(5) Ka kooban CMC sida qodista dhoobada nadiifinta wakiilka daaweynta dareeraha, waxay iska caabin kartaa wasakhowga milixyada kala duwan.
(6) CMC oo ay ku jiraan dhoobo, xasillooni wanaagsan, xitaa haddii heerkulku ka sarreeyo 150 ℃ waxay weli yarayn kartaa khasaaraha biyaha.
Viscosity A sare, barokaca sare CMC ku haboon dhoobo leh cufnaanta hoose, halka viscosity hoose, barokaca sare CMC ku haboon yahay dhoobo cufnaanta sare. CMC waxay leedahay awoodda xakamaynta luminta biyaha sare, luminta sifeynta hufan, qiyaasta hoose, waxay xakameyn kartaa khasaaraha biyaha heer sare, iyada oo aan saameyn ku yeelan guryaha kale ee dhoobada; Iska caabbinta heerkulka wanaagsan, caabbinta milixda ee ugu fiican, gaar ahaan ku habboon qodista xeebaha iyo shuruudaha ceelasha qoto dheer ee qodista gaaska dabiiciga ah, qodista ceelka iyo mashaariicda kale. Sida kolloid-biyood qoto dheer oo ku jira nidaamka dhoobada qodista, waxa loo isticmaali karaa sida dareeraha dhimaya walaxda iyo wakiilka sii kordhaya viscosity.
Hawlaha
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(1) Si degdeg ah ugu milmay biyo qabow ama kulul;
(2) waxaa loo isticmaali karaa sida wakiilka dhumucdi, wakiilka xakamaynta rheological, koollada, xasiliye, kolloid ilaalin ah, wakiilka cayrinta iyo wakiilka biyaha;
Warshadaha ka faa'iidaysiga batroolka, CMC waa wakiilka daawaynta dhoobada qodida wanaagsan iyo diyaarinta walxaha dareeraha ah, heerka samaynta dheecaanka sare, caabbinta milixda wanaagsan. Heerka qodista saliidda CMC waa dareere lumis aad u wanaagsan oo yareeya dhoobada biyaha macaan iyo dhoobada biyaha badda ee dhoobada milixda leh, waxayna leedahay awood qaadis wanaagsan iyo iska caabin heerkul sare ah (150℃). Ku habboon diyaarinta dareeraha dhammaystirka brine cusub, biyaha badda iyo saturated brine, iyo miisaanka kalsiyum chloride waxaa loo qaabayn karaa cufnaanta kala duwan ee dareerayaasha dhamaystirka, iyo dhamaystirka viscosity dareeraha iyo luminta dareeraha hooseeya. Alaabadayada CMC-da ee muuqooda sare iyo viscosity hoose waxay la kulmaan heerka GB/T 5005, heerka OCMA Yurub iyo heerka API 13A.
Guryaha caadiga ah
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Muuqashada |
Caddaan ilaa budo caddaan ah |
Cabbirka walxaha |
95% waxay dhaafeen 80 mesh |
Darajada beddelka |
0.7-1.5 |
Qiimaha PH |
6.0 ~ 8.5 |
daahir (%) |
92min, 97min, 99.5min |
Darajooyinka caanka ah
Codsiga |
Darajada caadiga ah |
Viscosity (Brookfield, LV, 2% Solu) |
Viscosity (Brookfield LV, mPa.s, 1% Solu) |
D e gree of Bedelida |
daahirnimo |
CMC Saliid qodis |
CMC LV |
70max |
0.9 daqiiqo |
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CMC HV |
2000 max |
0.9 daqiiqo |
Codsiga
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Baakad
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Alaabada CMC waxa ay ku xidhan tahay saddex bac oo xaashi ah oo ay ku jirto bac polyetylen ah oo gudaha ah oo la xoojiyay, miisaanka saafiga ahi waa 25kg kiishadiba.
14MT/20'FCL (oo leh Pallet)
20MT/20'FCL (la'aanteed)