1. Petroleum kev lag luam
Sodium carboxymethyl celluloseFeem ntau yog siv rau hauv cov roj extraction, thiab nws yog siv nyob rau hauv kev tsim cov av nkos kom viscosity thiab txo cov dej poob. Nws tuaj yeem tiv taus ntau yam kuab paug ntsev thiab ua kom cov roj rov qab. Sodium carboxymethyl hydroxypropyl cellulose (NACMHPC) thiab sodium carboxymethyl hydroxyethyl cellulose (NACMHEC) yog cov zoo drilling av nkos cov neeg ua haujlwm thiab cov ntaub ntawv rau kev npaj cov kua tiav, nrog rau cov slurrying siab thiab ntsev tsis kam, zoo anti-calcium kev ua tau zoo, zoo viscosity-nce muaj peev xwm, kub kuj (16. Nws yog qhov tsim nyog rau kev npaj cov kua dej rau cov dej tshiab, dej hiav txwv thiab dej ntsev saturated. Nws tuaj yeem tsim rau hauv cov kua dej drilling ntawm ntau qhov ntom ntom (103-127g / cm3) nyob rau hauv qhov hnyav ntawm calcium chloride, thiab nws muaj qee yam viscosity thiab cov kua dej tsis tshua muaj, nws muaj peev xwm nce ntxiv thiab cov dej tsis muaj peev xwm ua tau zoo dua li hydroxyethyl cellulose, thiab nws yog ib qho zoo ntxiv rau cov roj ntau lawm.
Sodium carboxymethyl cellulose yog cellulose derivative dav siv nyob rau hauv cov txheej txheem ntawm cov roj extraction. Nws yog siv nyob rau hauv drilling kua, cementing kua, fracturing kua thiab txhim kho cov roj rov qab, tshwj xeeb tshaj yog nyob rau hauv drilling kua. Nws tsuas yog ua lub luag haujlwm ntawm kev txo cov kua dej thiab nce viscosity. Hydroxyethyl cellulose (HEC) yog siv los ua cov av nkos thickening thiab stabilizing tus neeg sawv cev nyob rau hauv cov txheej txheem ntawm drilling, zoo tiav thiab cementing. Piv nrog sodium carboxymethyl cellulose thiab guar gum, hydroxyethyl cellulose muaj cov nyhuv thickening zoo, muaj zog xuab zeb ncua kev kawm ntawv, siab ntsev muaj peev xwm, zoo tshav kub tsis kam, me me mixing kuj, tsawg kua poob, thiab gel tawg. Thaiv, tsis tshua muaj residue thiab lwm yam ntxwv, tau dav siv.
2. Kev tsim kho, xim kev lag luam
Sodium carboxymethyl cellulose tuaj yeem siv los ua cov tshuaj tiv thaiv, dej tuav tus neeg saib xyuas, thickener thiab khi rau lub tsev masonry thiab plastering mortar admixtures, thiab tuaj yeem siv ua plaster, mortar thiab av leveling cov ntaub ntawv rau gypsum puag thiab cement puag Nws yog siv los ua dispersant, dej tuav tus neeg saib xyuas thiab thickener. Ib qho tshwj xeeb masonry thiab plastering mortar admixture ua los ntawm carboxymethyl cellulose, uas tuaj yeem txhim kho kev ua haujlwm, dej tuav thiab tawg tsis kam ntawm cov mortar, thiab tsis txhob tawg thiab voids ntawm phab ntsa thaiv. nruas. Lub tsev kho kom zoo nkauj cov ntaub ntawv Cao Mingqian thiab lwm tus ua rau ib puag ncig tus phooj ywg lub tsev kho kom zoo nkauj khoom siv los ntawm methyl cellulose. Cov txheej txheem ntau lawm yog yooj yim thiab huv si. Nws tuaj yeem siv rau qib siab phab ntsa thiab pob zeb pob zeb nto, thiab tuaj yeem siv rau kev kho kom zoo nkauj ntawm txhua kab thiab monuments.
3. Kev lag luam tshuaj txhua hnub
Lub stabilizing viscosifier sodium carboxymethyl cellulose plays lub luag hauj lwm ntawm dispersion thiab ncua kev kawm ntawv stabilization nyob rau hauv cov muab tshuaj txhuam cov khoom raw cov ntaub ntawv, thiab plays lub luag hauj lwm ntawm thickening, dispersing thiab homogenizing nyob rau hauv kua los yog emulsion tshuaj pleev ib ce. Nws tuaj yeem siv los ua tus stabilizer thiab tackifier. Emulsion stabilizers yog siv los ua emulsifiers, thickeners thiab stabilizers rau cov tshuaj pleev thiab tshuaj zawv plaub hau. Sodium carboxymethyl hydroxypropyl cellulose tuaj yeem siv los ua kom ruaj khov rau cov tshuaj txhuam hniav. Nws muaj cov khoom zoo thixotropic, uas ua rau cov tshuaj txhuam hniav zoo nyob rau hauv formability, lub sij hawm ntev cia yam tsis muaj deformation, thiab uniform thiab ilv saj. Sodium carboxymethyl hydroxypropyl cellulose muaj cov ntsev zoo dua thiab acid tsis kam, thiab nws cov txiaj ntsig zoo dua li ntawm carboxymethyl cellulose. Nws tuaj yeem siv los ua cov thickener hauv detergents thiab cov tshuaj tiv thaiv kab mob. Dispersion thickener hauv kev tsim cov tshuaj detergents, sodium carboxymethylcellulose feem ntau yog siv los ua cov av dispersant rau ntxuav hmoov, thickener thiab dispersant rau cov kua detergents.
4. Tshuaj, Khoom noj khoom haus kev lag luam
Hauv kev lag luam kws tshuaj,Hydroxypropyl carboxymethylcellulose (HPMC)tuaj yeem siv los ua cov tshuaj excipient, dav siv nyob rau hauv qhov ncauj tshuaj matrix-tswj tso tawm thiab kev npaj tso tawm, raws li kev tso tawm cov khoom siv los tswj cov tshuaj tso tawm, thiab ua cov txheej txheem rau ncua kev tso tshuaj. Tso tawm formulations, ncua-tso pellets, ncua-tso capsules. Feem ntau siv yog methyl carboxymethyl cellulose thiab ethyl carboxymethyl cellulose, xws li MC, uas feem ntau yog siv los ua cov ntsiav tshuaj thiab cov tshuaj ntsiav, los yog cov tshuaj nplaum nplaum nplaum. Premium qib cellulose ethers tuaj yeem siv rau hauv kev lag luam khoom noj khoom haus thiab yog cov thickeners zoo, stabilizers, excipients, dej tuav cov neeg ua haujlwm thiab cov neeg kho tshuab foaming hauv ntau yam khoom noj. Methyl cellulose thiab hydroxypropyl methyl cellulose tau lees paub tias yog lub cev tsis muaj teeb meem metabolic inert tshuaj. High-purity (tshaj li 99.5%) carboxymethylcellulose (CMC) tuaj yeem muab ntxiv rau hauv cov khoom noj, xws li mis nyuj thiab qab zib cov khoom, condiments, jams, jelly, kaus poom zaub mov, rooj syrup thiab dej haus. Carboxymethyl cellulose nrog purity ntau dua 90% tuaj yeem siv rau hauv cov khoom noj, xws li kev thauj mus los thiab khaws cov txiv hmab txiv ntoo tshiab. Cov hnab yas zoo li no muaj qhov zoo ntawm cov nyhuv tshiab zoo, muaj kuab paug tsawg, tsis muaj kev puas tsuaj, thiab kev siv tshuab yooj yim.
5. Cov khoom siv kho qhov muag thiab hluav taws xob
Electrolyte thickening stabilizer muaj siab purity ntawm cellulose ether, zoo acid kuj thiab ntsev tsis kam, tshwj xeeb tshaj yog tsis muaj hlau thiab hnyav hlau cov ntsiab lus, yog li cov colloid yog heev ruaj khov, haum rau alkaline roj teeb, zinc-manganese roj teeb Electrolyte thickening stabilizer. Ntau cov cellulose ethers muaj cov thermotropic kua crystallinity. Hydroxypropyl cellulose acetate ua cov thermotropic cholesteric kua crystals hauv qab 164 ° C.
Post lub sij hawm: Apr-26-2024