1. Cov lus qhia luv luv ntawm Carboxymethyl cellulose
English Lub Npe: Carboxyl Methyl cellulose
Cov tsiaj ntawv luv: CMC
Cov mis molecular yog cov sib txawv: [C6h7o2 (Oh) 2ch2cola] n
Zog: dawb lossis lub teeb daj fibrous hmoov av.
Dej Solubility: Ua si yooj yim soluble hauv dej, sib sau pob tshab viscous encolous colloid, thiab kev daws teeb meem yog nruab nrab lossis me ntsis alkaline.
Nta: High molecular compound ntawm cov kev nquag ua hauj lwm colloid, tsw ntxhiab tsw, tsis muaj qab hau thiab lom.
Ntuj cellulose yog dav faib nyob rau hauv xwm thiab yog qhov muaj txiaj ntsig ntau polysaccharide. Tab sis nyob rau hauv ntau lawm, cellulose feem ntau muaj nyob rau hauv daim ntawv ntawm sodium carboxymethyl cellulose, yog li tag nrho lub npe yuav tsum yog sodium carboxymethyl cellulose, lossis CMC-NA. Dav siv hauv kev lag luam, kev tsim kho, tshuaj, khoom noj, textile, ceramics thiab lwm daim teb.
2. Carboxymethyl cellulose tshuab
Lub thev naus laus zis thev naus laus zis suav nrog: etherification thiab Esterification.
Kev hloov pauv ntawm carboxymethyl cellulose: carboxymethylation hauv lub tshuab hluav taws xob, cellulose thev naus laus zis, xa cov cellulose cellulose, xa mus rau CMC.
Kev ua haujlwm ntawm Carboxymethyl cellulose aqueous kua aqueous aqueous kua aqueous queous kua aqueous queous oqueous kua aqueous kua aqueous, zaj duab xis, dej cia, kev tiv thaiv kev tiv thaiv, emulsification thiab ncua kev tiv thaiv.
3. Cov tshuaj lom neeg ntawm carboxymethyl cellulose
Cellulose kev sib tw:
[C6h7o2 (Oh) 3] n + NNONOH → [C6h7o2 (Oh) 2ona] N + NH2O
Lub herherification cov tshuaj tiv thaiv ntawm monochloroacetic acid tom qab alkali cellulose:
[C6h7o2 (Oh) 2Ana] n + nclch2coona → [c6h7o2 (Oh) 2) (Oh) 2coona] n + NNAC
Yog li: cov mis nyuj ua rau kev tsim cov carboxymethyl cellulose yog: cell-o-ch2-coona nacmc
Sodium carboxymethyl cellulose(NACMC lossis CMC rau Luv luv) yog lub cellle-soluble cellulose encouse formulations vary los ntawm ob peb cp rau ntau txhiab CP.
4. Cov khoom lag luam ntawm Carboxymethyl cellulose
1. Cia ntawm CMC aqueous daws: Nws yog ruaj khov nyob rau hauv qis kub lossis tshav ntuj, tab sis cov acidight thiab alkalinity ntawm kev daws yuav hloov vim qhov ntsuas kub. Nyob rau hauv cov cawv ntawm ultraviolet rays los yog cov kab mob me, lub viscosity ntawm kev daws yuav txo qis lossis tseem ua rau muaj kev sib cais. Yog tias yuav tsum tau siv sijhawm ntev, yog qhov tsim nyog txuag hluav taws yuav tsum tau ntxiv.
2. Kev npaj cov tshuaj ntawm CMC aqueous daws: Ua rau cov ntu uniformly ntub ua ntej, uas tuaj yeem nce ntxiv kom muaj kev sib cais.
3. CMC yog hygroscopic thiab yuav tsum muaj kev tiv thaiv los ntawm noo noo thaum cia.
4. Cov ntaub nplaum hlau hnyav xws li zinc, tooj liab, txhuas, txhuas, hlau, thiab chromium, thiab chromium tuaj yeem ua rau CMC los ua ntej.
5.
6. Txawm hais tias salts xws li calcium, magnesium thiab rooj ntsev tsis muaj cov txiaj ntsig nag lossis daus rau ntawm kev daws teeb meem.
7. CMC tau sib haum nrog lwm cov kualu-soluble ci, muag thiab cov resins.
8. Vim muaj kev sib txawv, cov tsos ntawm cmc tuaj yeem nplua hmoov, coarse nplej lossis fibrous, uas tsis muaj ib yam dab tsi ua rau lub cev thiab tshuaj lom neeg.
9. Tus qauv ntawm kev siv CMC hmoov yog yooj yim. Nws tuaj yeem txuas ncaj qha ntxiv thiab yaj hauv dej txias lossis dej sov ntawm 40-50 ° C.
5. Qib ntawm hloov chaw thiab solubility ntawm carboxymethyl cellulose
Cov degree ntawm kev hloov pauv yog hais txog qhov nruab nrab tus naj npawb ntawm cov roj sodium carboxymethyl pab pawg txuas rau txhua chav tsev cellulose; Tus nqi siab tshaj plaws ntawm cov qib hloov pauv yog 3, tab sis feem ntau kev txhawb nqa kev siv hluav taws xob yog nacmc nrog ib qib kev hloov pauv ntawm 0.5 txog 1.2. Cov yam ntxwv ntawm NACMC nrog cov qib ntawm kev hloov pauv ntawm 0.2-0.3 yog qhov sib txawv ntawm cov nacmc nrog ib qib ntawm hloov chaw ntawm 0.7-0.8. Tus qub tsuas yog ib nrab soluble hauv pH 7 dej, tab sis tom kawg yog soluble kiag li. Qhov fab ntxeev yog qhov tseeb nyob rau hauv Alkaline tej yam kev mob.
6. Polymerization degree thiab viscosity ntawm carboxymethyl cellulose
Polymerization Degree: Hais txog qhov ntev ntawm lub cellulose saw, uas txiav txim siab viscosity. Ntev lub cellulose saw, ntau hom viscosity, thiab yog li yog nacmc tov.
Viscosity: NACMC tov yog tsis yog-Newtonian kua, thiab nws pom meej viscosity txo thaum lub zog ua kom nce. Tom qab nplawm tau nres, lub viscosity nce rau cov feem ntau kom txog thaum nws tseem ruaj khov. Ntawd yog, kev daws teeb meem yog thixotropic.
7. Kev thov cov carboxymethyl cellulose
1. Kev tsim kho thiab kev lag luam ceramic
(1) Architorural photings: zoo dispersion, uniform txheej faib; tsis muaj txheej, ruaj khov zoo; Cov nyhuv zoo heev, kho tau cov txheej txawv viscosity.
(2) Kev lag luam sib luag: siv raws li phau ntawv tsis muaj zog los txhim kho cov plasticity ntawm cov tais av av nplaum; ci ci.
2. Ntxuav, tshuaj pleev ib ce, luam yeeb, textile luam ntawv thiab dyeing kev lag luam
(1) Ntxuav: cmc tau ntxiv rau cov xab npum kom tiv thaiv cov av ntxuav los ntawm kev rov tso cov ntaub.
(2) Cov tshuaj pleev ib ce: Thickening, tawg, tshem tawm, ruaj khov, thiab lwm yam kom muab tag nrho cov khoom siv tshuaj pleev ib ce.
(3) Luam Yeeb: CMC yog siv rau cov ntawv luam yeeb ua rau luam yeeb, uas tuaj yeem siv cov chips thiab txo tus nqi ntawm cov nqaij mos nyoos.
(4) Textile: Raws li tus neeg sawv cev ua tiav rau cov ntaub, cmc tuaj yeem txo cov xov paj tawg thiab xaus breakage ntawm high-speed boils.
(5) Luam Ntawv thiab Dyeing: Nws yog siv nyob rau hauv luam tawm cov luam ntawv, uas tuaj yeem txhim kho lub zog hydrophilic thiab nkag mus dai khaub ncaws thiab txo cov xim sib txawv.
3. Tsaj yoov thiab Vuam Rod Kev Lag Luam
(1) Cov Poov Ntxaib Coils: CMC yog siv rau yoov tshaj cum los txhim kho kev sib tw ntawm yoov tshaj cum thiab ua rau lawv tsis tshua tawg thiab tawg.
(2) electrode: CMC yog siv los ua tus neeg sawv cev glaze kom cov ceramic txheej zoo dua thiab tsim, nrog txhuam hniav zoo dua, thiab nws kuj tseem muaj kev ua tau zoo ntawm kev ua haujlwm kub.
4. Tshuaj Txhuam Hniav
(1) CMC muaj kev sib raug zoo zoo nrog ntau cov ntaub ntawv tso tawm hauv cov tshuaj txhuam hniav;
(2) Cov tshuaj txhuam yog qhov ua kom huv, tsis cais cov dej, tsis yog tev tawm, tsis yog tuab, thiab muaj npuas nplua nuj;
(3) Qhov ruaj khov zoo thiab haum ruaj khov, uas tuaj yeem muab tshuaj txhuam hniav zoo, tuav cia thiab tshwj xeeb nyiam saj;
(4) Tiv thaiv kom sov hloov, moisturizing thiab tsw qab tsw qab-kho.
(5) me me shearing thiab tailing hauv cov kaus poom.
5. Kev lag luam khoom noj
(1) Cov dej haus acidic: Raws li kev sib cav khov kho, kom tiv thaiv nag lossis daus thiab stratification ntawm cov yogurt vim muaj kev sib sau ua ke; Zoo saj tom qab dissolving hauv dej; zoo hloov chaw.
(2) Cov dej khov khov: Ua dej, rog, thiab lwm yam. Daim ntawv no ua ke, tawg thiab ruaj khov thiab sib xyaw ruaj khov kom tsis txhob muaj cov dej khov.
(3) Mov ci thiab pastry: CMC tuaj yeem tswj lub viscosity ntawm batcosity ntawm batter, txhim kho cov dej noo khaws thiab txee lub neej ntawm cov khoom.
(4) Cov noohodles tam sim no: nce cov tawv thiab ua noj ua tsis kam ntawm noodles; Nws muaj cov kev ua kom zoo nyob rau hauv biscuits thiab pancakes, thiab cov ncuav mog qab zib saum npoo yog du thiab tsis yooj yim tawg.
(5) Tus pasTej tam sim no: ua ib qho ntawm cov pos hniav.
(6) cmc yog physiologically inert thiab tsis muaj tus nqi calorific. Yog li no, cov zaub mov qis muaj calorie tuaj yeem tsim tawm.
6. Ntawv Kev Lag Luam
CMC yog siv rau cov ntawv sizing, uas ua rau daim ntawv muaj qhov siab ntom ntom ntom, zoo nyob rau hauv cov neeg nkag mus thiab sau ntawv. Nyob rau hauv cov txheej txheem ntawm daim ntawv xim, nws pab tswj cov rollability ntawm cov xim muab tshuaj txhuam; Nws tuaj yeem txhim kho lub xeev nplaum ntawm cov fibers sab hauv daim ntawv, yog li kev txhim kho lub zog thiab folding tiv thaiv cov ntawv.
7. Kev lag luam roj av
CMC yog siv nyob rau hauv cov roj thiab roj drilling, kev khawb kom zoo thiab lwm yam dej num.
8. Lwm tus
Cov nplaum rau khau, kaus mom, xaum, thiab lwm yam, polishes thiab cov xim rau tawv, stabilizers rau cov npuas dej tua hluav taws, thiab lwm yam.
Lub Sijhawm Post: Jan-04-2023