Hydroxyethyl Cellulose (HEC)yog ib qho polymer uas tsis yog ionic uas yaj tau hauv dej uas siv dav hauv ntau yam lag luam, nrog rau kev ua kom tuab, kev ncua, kev sib kis, kev sib xyaw, kev ua yeeb yaj kiab, kev ruaj khov thiab kev nplaum. Vim nws txoj kev ruaj khov tshuaj lom neeg zoo heev thiab biocompatibility, HEC muaj cov ntawv thov tseem ceeb hauv kev pleev xim, kev tsim kho, cov tshuaj txhua hnub, kev rho tawm roj, tshuaj thiab zaub mov.
1. Kev Lag Luam Txheej Txheem
HEC yog dav siv ua ib qho thickener, stabilizer thiab zaj duab xis-tsim kev pab hauv kev lag luam coatings.
Cov nyhuv thickening: HEC tuaj yeem ua rau kom cov viscosity ntawm lub txheej, yog li nws muaj qhov zoo leveling thiab thixotropy thaum lub sijhawm tsim kho, thiab tiv thaiv cov txheej los ntawm sagging ntawm cov ntsug nto.
Kev tawg thiab kev ruaj khov: HEC tuaj yeem txhawb kev sib xyaw ua ke ntawm cov xim thiab cov khoom sau, thiab tswj kev ruaj khov ntawm lub kaw lus thaum lub sijhawm khaws cia kom tiv thaiv kev faib tawm lossis nag lossis daus.
Txhim kho kev ua tau zoo ntawm kev tsim kho: Hauv cov xim pleev xim latex thiab cov xim dej, HEC tuaj yeem txhim kho kev tsim kho ntawm kev txhuam, dov thiab txau, thiab txhim kho cov khoom ua yeeb yaj kiab thiab qhov chaw tiav.
2. Kev lag luam tsim kho
Hauv kev tsim kho, HEC feem ntau yog siv rau hauv cov khoom xws li cement mortar, putty hmoov thiab pobzeb nplaum los ua lub luag haujlwm ntawm thickening, dej khaws cia thiab txhim kho kev ua haujlwm tsim kho.
Kev ua kom dej nyob ruaj khov: HEC tuaj yeem txhim kho qhov ceev ntawm cov mortar thiab ua kom lub sijhawm ua kom dej noo ntev dua, yog li ua kom lub zog thiab lub zog ntawm cov khoom siv ruaj khov.
Txhim kho kev ua tau zoo ntawm kev tsim kho: Hauv cov hmoov putty thiab cov nplaum pobzeb, cov nyhuv lubricating ntawm HEC ua rau kev tsim kho du thiab tiv thaiv kev tawg thiab tev tawv ntawm cov txheej.
Tiv thaiv kev sagging: HEC muab cov ntaub ntawv tsim kho kom zoo tiv thaiv kev sagging kom ntseeg tau tias cov ntaub ntawv tom qab kev tsim kho tswj tau qhov zoo tagnrho.
3. Kev lag luam tshuaj lom neeg txhua hnub
HEC yog siv dav ua cov khoom siv tuab thiab stabilizer hauv cov tshuaj txhua hnub, suav nrog cov tshuaj ntxuav tes, tshuaj zawv plaub hau, cov tshuaj da dej thiab cov khoom tu tawv nqaij.
Thickening thiab stabilization: HEC ua haujlwm ua tus tswj viscosity hauv cov mis, muab cov khoom zoo tagnrho rheological thiab txhim kho kev paub ntawm tus neeg siv.
Emulsification thiab kev ncua: Hauv cov khoom siv tu tawv nqaij thiab cov khoom siv tu cev, HEC tuaj yeem tswj lub cev emulsified thiab tiv thaiv kev faib ua pawg, thaum ncua cov khoom me me xws li cov neeg sawv cev pearlescent lossis cov khoom khov kho.
Kev Mos Mos: Vim tias HEC tsis ua rau khaus tawv nqaij, nws yog qhov tsim nyog rau kev siv rau hauv cov khoom siv menyuam yaus thiab cov khoom rau cov tawv nqaij rhiab heev.
4. Kev lag luam rho tawm roj
Hauv kev lag luam roj, HEC feem ntau yog siv los ua cov khoom siv thickener thiab cov kua dej poob rau cov kua dej drilling thiab cov kua dej tiav.
Cov nyhuv ua kom tuab: HEC ua rau cov kua dej ntawm cov drilling viscosity nce ntxiv, yog li ua kom muaj peev xwm nqa cov cuttings thiab khaws lub qhov dej kom huv.
Kev ua kom cov kua dej poob qis: HEC tuaj yeem txo cov dej nkag mus rau hauv cov kua dej drilling, tiv thaiv cov roj thiab cov roj txheej, thiab tiv thaiv kom tsis txhob muaj dej ntws.
Kev phooj ywg ib puag ncig: Lub biodegradability thiab non-toxicity ntawm HEC ua tau raws li qhov xav tau ntawm kev txhim kho ntawm kev lag luam roj ntsuab.
5. Kev lag luam tshuaj
Hauv kev lag luam tshuaj, HEC yog siv los ua cov khoom siv tuab, nplaum thiab cov khoom siv matrix rau kev tswj hwm kev tso tawm tshuaj.
Thickening thiab zaj duab xis-tsim: HEC yog siv rau hauv qhov muag tee kom ntev lub sijhawm nyob ntawm cov tshuaj daws teeb meem ntawm qhov muag thiab txhim kho qhov ua tau zoo ntawm cov tshuaj.
Kev tso tawm tshuaj uas ruaj khov: Hauv cov ntsiav tshuaj thiab cov tshuaj ntsiav uas ruaj khov, lub network gel uas tsim los ntawm HEC tuaj yeem tswj tau tus nqi tso tawm tshuaj, txhim kho kev ua haujlwm zoo thiab kev ua raws li tus neeg mob.
Biocompatibility: HEC cov khoom tsis muaj tshuaj lom thiab tsis ua rau khaus ua rau nws haum rau ntau hom tshuaj, suav nrog kev npaj tshuaj pleev thiab tshuaj noj.
6. Kev Lag Luam Khoom Noj
Hauv kev lag luam zaub mov, HEC yog siv dav ua cov khoom siv thickener, emulsifier thiab stabilizer hauv cov khoom noj mis nyuj, dej haus, kua ntses thiab lwm yam khoom.
Thickening thiab suspension: HEC ua rau lub cev muaj zog dua hauv cov dej haus thiab cov kua ntses, txhim kho qhov saj thiab tsos ntawm cov khoom.
Kev Ruaj Ntseg: HEC tiv thaiv kev faib ua pawg ntawm emulsions lossis kev ncua thiab ua rau lub neej txee ntawm cov khoom nce ntxiv.
Kev Nyab Xeeb: HEC txoj kev nyab xeeb siab thiab tsis muaj tshuaj lom ua tau raws li cov kev cai nruj ntawm cov khoom noj khoom haus ntxiv.
7. Lwm cov teb
HECkuj siv rau hauv kev ua ntawv, textile, luam ntawv thiab tshuaj tua kab. Piv txwv li, nws siv ua tus neeg sawv cev rau qhov loj ntawm qhov chaw hauv kev ua ntawv los txhim kho lub zog thiab ci ntsa iab ntawm daim ntawv; ua ib qho slurry hauv kev luam ntawv textile thiab dyeing los txhim kho qhov sib xws ntawm cov ntaub; thiab siv rau kev ua kom tuab thiab tawg cov tshuaj ncua hauv cov tshuaj tua kab.
Vim nws qhov kev ua tau zoo heev thiab kev siv tau dav, hydroxyethyl cellulose ua lub luag haujlwm tseem ceeb hauv ntau lub lag luam. Yav tom ntej, thaum qhov kev thov rau cov ntaub ntawv ntsuab thiab cov khoom siv zoo rau ib puag ncig txuas ntxiv mus, HEC cov chaw thov thiab kev txhim kho thev naus laus zis yuav coj ntau lub sijhawm thiab muab kev txhawb nqa rau kev txhim kho kev lag luam ntawm ntau yam lag luam.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-17-2024