Cov yam ntxwv tseem ceeb ntawm hydroxyethyl cellulose yog tias nws yog soluble hauv dej txias thiab dej kub, thiab tsis muaj gelling cov khoom. Nws muaj ntau yam kev hloov pauv, solubility thiab viscosity. nag lossis daus. Hydroxyethyl cellulose tshuaj tuaj yeem tsim cov yeeb yaj kiab hauv pob tshab, thiab muaj hom tsis muaj ionic uas tsis cuam tshuam nrog ionic hom uas tsis cuam tshuam nrog ionions thiab muaj kev sib raug zoo.
Hluav taws kub thiab txias thiab dej sov: piv nrog cov methyl cellulose (MC), uas yog soluble hauv dej txias, hydrothethyl cellulose tuaj yeem ua rau cov dej kub tuaj yeem ua rau dej kub lossis dej txias. Ntau yam ntawm solubility thiab viscosity properties, thiab non-thermal gelation.
②salt kuj: vim nws hom tsis-ionic, nws tuaj yeem ua rau lwm tus nrog lwm cov dej-solfactants polymers, solfactants thiab ntsev nyob rau hauv ntau yam. Yog li ntawd, piv nrog ionic carboxymethyl cellulose (cmc), hydroxyethyl cellulose muaj ntsev ua kom zoo dua.
③WILTWATION Kev tuav, Lemas-Film-Forming thiab Kev Ua Si Dej-Ua Kom Zoo, nrog kev ua kua rau methancy, kev sib deev tsis sib xws, kev tiv thaiv kab sib deev zoo, tiv thaiv kev tiv thaiv kab sib deev
Kev siv ntawm hydroxyethyl cellulose
Hydroxyethyl cellulose yog cov dej tsis-ionic-soluble cellulose cov khoom, cov ntaub ntawv, cov tshuaj polymer, cov khoom siv, ua liaj / teb thiab lwm yam kev lag luam. Nws muaj cov haujlwm ntawm thickening, kev ua raws li, dispulsifying, dispersing, thiab tuaj yeem khaws cov dej, ua ib zaj duab xis thiab muab cov txiaj ntsig coloid. Nws yog yooj yim soluble hauv dej txias thiab dej kub, thiab tuaj yeem muab kev daws teeb meem nrog ntau hom viscosity. Ib qho ntawm cov neeg ua haujlwm sai dua.
1 Lowex Xim
Hydroxyethyl cellulose yog cov tuab tuab uas siv cov tuab tuab tshaj plaws hauv cov txheej yas. Ntxiv rau cov thickening lig txheej, nws tseem tuaj yeem emulsify, disperse, detain thiab khaws dej. Nws yog tus cwj pwm los ntawm cov nyhuv zoo tshaj plaws cov nyhuv tuab, ua xim zoo nkauj, zaj duab xis-ua cov khoom ntiag tug thiab chaw tso khoom ruaj khov. Hydroxyethyl cellulose yog cov tsis-ionic cellulose derivative uas tuaj yeem siv hauv cov dav PHOT. Nws muaj kev sib raug zoo zoo nrog lwm cov ntaub ntawv hauv cov khoom siv (xws li pigments, ntxiv rau, fillers thiab ntsev). Txheej pleev tuab tuab nrog hydroxyethyl cellulose muaj zoo rheology ntawm ntau yam kev sib tw shear thiab yog pseudoplastic. Txoj kev tsim qauv xws li txhuam hniav, cov menyuam txheej, thiab txau tuaj yeem siv. Kev tsim kho zoo, tsis yooj yim txia, sag thiab txaws, thiab qib siab.
2 polymerization
Hydroxyethyl cellulose muaj cov haujlwm ntawm dispersing, emulsifying, ncua sij hawm thiab copolymerization Cheebtsam cov khoom hluavtaws, thiab tuaj yeem siv ua cov tiv thaiv kev tiv thaiv. Nws yog tus cwj pwm los ntawm cov muaj zog dispersing muaj peev xwm, nyias "zaj duab xis" ntawm cov lus me me, cov khoom siv xoob, cov khoom lag luam xoob, muaj cov khoom lag luam kom siab. Vim tias hydroxyethyl cellulose tuaj yeem yaj nyob rau hauv dej txias thiab dej kub, thiab tsis muaj qhov taw qhia kub, nws yog qhov haum ntau rau ntau cov kev tiv thaiv polymerization.
Qhov khoom siv lub cev tseem ceeb los tshawb xyuas qhov zoo ntawm qhov tsis zoo yog qhov chaw (lossis interfacial lub zog, muaj zog intrefacial thiab gelation kub ntawm nws cov aqueous daws. Cov yam ntxwv ntawm hydroxyethyl cellulose yog qhov tsim nyog rau cov polymerization lossis copolymerization ntawm cov hluavtaws cov resins.
Hydroxyethyl cellulose muaj kev sib raug zoo nrog lwm cov dej-soluble cellulose neeg muaj kev hais txog thiab PVA. Cov tshuaj sib xyaw ua ke yog li tsim tau cov nyhuv muaj txhij txhua ntawm kev kawm los ntawm kev kawm los ntawm txhua tus ua tau zoo thiab ua tiav ib qho tsis muaj zog. Cov khoom siv cob cov khoom cob muaj tsis tsuas yog muaj cov khoom zoo, tab sis kuj tseem txo cov khoom poob.
3 Kev Daus Roj Drilling
Nyob rau hauv cov roj drilling thiab ntau lawm, siab-viscosity Hydrothlosethyl cellulose feem ntau yog siv ua cov kua dej thiab ua kom tiav kua. Tsis muaj viscosity hydrotyl cellulose yog siv los ua kua reducer. Hauv ntau cov av nkos yuav tsum tau rau drilling, ua tiav, cementing thiab fracturing cov haujlwm, hydrotyl cellulose yog siv los ua cov tuab thiab muaj kev ruaj ntseg ntawm cov av nkos. Thaum lub caij tho qhov dej, nws tuaj yeem txhim kho cov xuab zeb nqa ntawm cov av nkos thiab ntev ua haujlwm lub neej ntawm laum. Hauv kev ua kua roj tsawg thiab cov kua pleev xim rau cov av hauv cov av hauv hydroxyethyl los ntawm cov av nkos, thiab tuaj yeem txhim kho cov txheej txheem ntau lawm ntawm cov txheej roj.
4 Tshuaj Lom Zem
Hydroxyethylulose yog qhov ua tau zoo zaj duab xis qub, binder, thickener, thilersant, stabersant, cov plaub hau, nruab nrab thiab tshuaj pleev ib ce; Nyob rau hauv cov hmoov xab npum nws yog ib tus neeg sawv cev av. Hydroxyethyl cellulose yaj nrawm rau ntawm qhov kub thiab txias, uas tuaj yeem ceev cov txheej txheem ntau lawm thiab txhim kho ntau lawm. Qhov pom tseeb ntawm cov tshuaj ntxuav tes uas muaj hydroxyethyl cellulose yog tias nws tuaj yeem txhim kho lub smoothness thiab kev lom zem ntawm cov ntaub.
5 | Architecture
Hydroxyethyl cellulose tuaj yeem siv rau hauv cov khoom siv xws li pob zeb sib tov, lwm yam neeg nplua nuj, thiab lwm yam, los khaws cov dej thaum lub sijhawm ua haujlwm ua ntej lawv ua haujlwm thiab tawv tawv. Ntxiv nrog rau kev txhim kho cov dej tuav ntawm cov khoom lag luam hauv tsev, hydroxyethyl cellulose tseem tuaj yeem ua kom tiav kev kho thiab qhib lub sijhawm stucco lossis meast. Txo cov tawv nqaij, khau khiab thiab sagging. Qhov no tuaj yeem txhim kho kev ua haujlwm zoo, txhim kho lub sijhawm ua haujlwm, txuag lub sijhawm, thiab tib lub sijhawm nthuav dav tus nqi ntawm stucco, yog li txuag cov khoom raw.
6 Ua Liaj Ua Liaj Ua Teb
Hydroxyethyl cellulose siv rau hauv cov tshuaj tua kab mob emulsion thiab tshem tawm raws li lub thickener rau cov tshuaj tsuag lossis tshem tawm emulsions. Nws tuaj yeem txo cov drift ntawm tus neeg saib xyuas thiab ua kom khov kho rau cov ntoo ntawm cov nroj tsuag, yog li nce cov nyhuv ntawm cov kev txau cov neeg txau. Hydroxyethyl cellulose kuj tseem siv tau ua zaj duab xis-ua tus neeg sawv cev hauv cov noob txheej thiab txheej tus neeg sawv cev; Raws li phau ntawv binder thiab ua yeeb yaj kiab-sib sau tus neeg sawv cev hauv kev rov ua dua tshiab ntawm cov nplooj haus luam yeeb.
7 ntawv thiab mem kua
Hydroxyethyl cellulose tuaj yeem siv ua tus sawv cev cov neeg sawv cev ntawm daim ntawv thiab board thiab raws li qhov ua tuab thiab ncua rau cov inks dej. Hauv cov txheej txheem papermaking, cov khoom zoo tshaj plaws ntawm hydroxyethyl cellulose muaj xws li feem ntau cov pos hniav thiab kev siv oxygen thiab muaj peev xwm los ua ib zaj duab xis du. Cov yeeb yaj kiab tau qis dua cov khoom lag luam saum npoo av thiab muaj zog dua, thiab tseem tuaj yeem txo tus nqi. Daim ntawv loj nrog hydroxyethyl cellulose rau cov ntawv luam zoo. Nyob rau hauv kev tsim cov kav dej-based ink thickened nrog hydroxyethyl cellulose dries sai sai, muaj cov xim zoo diffusion, thiab tsis tsim cov khoom nplaum.
8 npuag
Nws tuaj yeem siv tau ua binder thiab sizing tus neeg sawv cev hauv cov ntaub luam ntawv thiab dye faste thiab lux xim; thickener rau cov kua txiv ntoo nyob sab nraum qab ntawm cov ntaub pua plag. Hauv cov iav fiber ntau, nws yog siv los ua cov neeg sawv cev moulding thiab phau ntawv; Hauv tawv pulp, nws tuaj yeem siv ua hloov kho thiab phau ntawv. Muab ntau yam kev pleev xim rau cov txheej txheem no lossis cov nplaum nplaum, ua rau muaj kev sib tw zoo dua thiab txhim kho luam tawm kom meej.
9 Ceramics
Siab zog tuav rau cov ntawv tsim creamics.
10 cov tshuaj txhuam hniav
Nws tuaj yeem raug siv los ua cov tuab hauv cov tshuaj txhuam hniav hauv cov tshuaj txhuam hniav.
Sijhawm Post: Sep-24-2022