Cellulose ethers yog cov chav kawm tseem ceeb ntawm cov khoom siv polymer derivatives, uas tau siv dav hauv ntau thaj chaw ua lag luam thiab nyob. Cellulose ethers yog hloov kho cellulose cov khoom tsim los ntawm combining ntuj cellulose nrog ether tebchaw los ntawm cov tshuaj tiv thaiv. Raws li cov khoom sib txawv, cellulose ethers tuaj yeem muab faib ua methyl cellulose (MC), hydroxypropyl methyl cellulose (HPMC), carboxymethyl cellulose (CMC) thiab lwm yam. Cov khoom no muaj cov thickening zoo, kev sib txuas, zaj duab xis-tsim, dej tuav, lubrication thiab lwm yam khoom, yog li lawv tau siv dav hauv kev tsim kho, tshuaj, zaub mov, tshuaj pleev ib ce, roj extraction, papermaking thiab lwm yam lag luam.
1. Kev tsim kho kev lag luam
Cellulose ethers ua lub luag haujlwm tseem ceeb hauv cov khoom siv hauv tsev, tshwj xeeb tshaj yog nyob rau hauv mortar qhuav, putty hmoov, coatings thiab pobzeb adhesives. Nws cov haujlwm tseem ceeb suav nrog kev ua kom tuab, dej tuav, lubrication thiab txhim kho kev tsim kho. Piv txwv li:
Cov nyhuv Thickening: Cellulose ethers tuaj yeem ua kom cov viscosity ntawm cov tshuaj khib thiab cov txheej txheej, ua rau lawv zoo dua hauv kev tsim kho thiab tsis txhob sagging.
Kev tuav dej: Hauv qhov chaw qhuav, cellulose ether tuaj yeem khaws cov dej noo zoo, tiv thaiv dej los ntawm evaporating sai heev, xyuas kom tag nrho cov hydration ntawm cov ntaub ntawv cementitious xws li cov cement lossis gypsum, thiab txhim kho kev sib raug zoo thiab cov khoom siv.
Txhim kho kev tsim kho: Cellulose ether tuaj yeem txhim kho lubricity ntawm cov khoom siv hauv tsev, ua rau lawv smoother thaum lub sij hawm tsim kho, yooj yim rau kev thov los yog nteg, thiab txhim kho kev tsim kho kom zoo thiab zoo.
2. Kev lag luam kws tshuaj
Hauv kev lag luam kws kho mob, cellulose ether yog siv dav hauv kev npaj tshuaj, ntsiav tshuaj txheej, thiab cov neeg nqa tshuaj tso tawm. Common siv muaj xws li:
Cov ntsiav tshuaj molding: Cellulose ether, raws li kev sib khi thiab tsis sib haum rau cov ntsiav tshuaj, tuaj yeem txhawb kev tsim cov ntsiav tshuaj thiab sai sai disintegrate thaum noj los xyuas kom meej tias cov tshuaj nqus tau.
Tswj kev tso tawm: Qee cov cellulose ethers muaj cov yeeb yaj kiab zoo thiab cov khoom siv tsis zoo, yog li lawv feem ntau siv rau hauv kev npaj cov tshuaj tiv thaiv-tso tawm, uas tuaj yeem tswj tau qhov tso tawm ntawm cov tshuaj hauv tib neeg lub cev thiab ua kom ntev ntawm cov tshuaj. .
Capsule txheej: Cov cuab yeej ua yeeb yaj kiab ntawm cellulose ether ua rau nws yog cov khoom siv tshuaj zoo tshaj plaws, uas tuaj yeem cais cov tshuaj los ntawm ib puag ncig sab nraud, zam oxidation thiab hydrolysis ntawm cov tshuaj, thiab ua kom cov tshuaj ruaj khov.
3. Kev lag luam zaub mov
Hauv kev lag luam khoom noj khoom haus, cellulose ethers tau dav siv los ua cov khoom siv ntxiv, tshwj xeeb tshaj yog hauv cov khoom ci, cov khoom siv mis, dej haus thiab cov khoom noj khov. Nws lub luag haujlwm tseem ceeb suav nrog:
Thickener: Cellulose ethers tuaj yeem ua rau kom cov viscosity ntawm cov khoom noj ua kua, txhim kho saj, thiab ua kom cov khoom tsim ntau thiab tuab. Lawv feem ntau siv rau hauv cov khoom noj xws li kua ntses, jellies, thiab cream.
Stabilizer: Cellulose ethers, raws li emulsifiers thiab stabilizers, tuaj yeem tiv thaiv kev sib cais ntawm cov roj thiab dej hauv cov khoom noj thiab ua kom cov khoom zoo sib xws.
Humectant: Hauv cov zaub mov ci, cellulose ethers tuaj yeem pab lub khob noom cookie khaws cov dej noo, tiv thaiv dej ntau dhau thaum ci, thiab xyuas kom meej qhov muag thiab saj ntawm cov khoom tiav.
4. Kev lag luam tshuaj pleev ib ce
Daim ntawv thov ntawm cellulose ethers nyob rau hauv kev lag luam tshuaj pleev ib ce yog feem ntau xav txog nyob rau hauv cov khoom tu tawv nqaij, tshuaj zawv plaub hau, tshuaj ntxuav lub ntsej muag thiab pleev cov khoom. Nws zoo heev moisturizing, thickening, zaj duab xis-forming thiab stabilizing zog ua rau nws yog ib qho tseem ceeb muaj nyob rau hauv cov qauv tshuaj pleev ib ce. Piv txwv li:
Moisturizer: Cellulose ethers tuaj yeem tsim cov yeeb yaj kiab tiv thaiv kom kaw cov dej noo ntawm daim tawv nqaij thiab pab kom cov tawv nqaij moisturized.
Thickener: Raws li cov thickener, cellulose ether muab cov khoom siv tshuaj pleev ib ce kom haum, ua rau lawv yooj yim rau kev thov thiab nqus, thiab txhim kho cov neeg siv kev paub.
Emulsifier: Cellulose ether tuaj yeem ruaj khov emulsions, tiv thaiv roj-dej stratification, thiab tswj kev ruaj ntseg ntawm cov qauv tshuaj pleev ib ce.
5. Roj extraction kev lag luam
Daim ntawv thov ntawm cellulose ether nyob rau hauv cov roj extraction yog tsuas yog xav txog nyob rau hauv kev npaj ntawm drilling kua thiab fracturing kua. Cellulose ether tuaj yeem siv los ua cov thickener, kua poob reducer thiab stabilizer los txhim kho kev ua haujlwm ntawm cov dej drilling. Piv txwv li:
Thickener: Cellulose ether tuaj yeem ua kom cov viscosity ntawm cov dej drilling, pab tshem tawm thiab nqa cov tho kev txiav, thiab tiv thaiv phab ntsa zoo.
Cov kua dej poob qis: Nyob rau hauv qhov kub thiab txias siab, cellulose ether tuaj yeem txo cov kua dej poob ntawm cov dej drilling, tiv thaiv cov roj txheej thiab cov phab ntsa zoo, thiab txhim kho kev ua haujlwm drilling.
6. Papermaking kev lag luam
Hauv kev lag luam papermaking, cellulose ether yog siv los ua tus neeg sawv cev txhawb zog, tus neeg sawv cev txheej thiab zaj duab xis-tsim tus neeg sawv cev rau ntawv. Nws tuaj yeem txhim kho lub zog, gloss thiab smoothness ntawm daim ntawv thiab txhim khu kev hloov luam ntawv. Piv txwv li:
Reinforcer: Cellulose ether tuaj yeem txhim kho lub zog sib txuas ntawm cov ntaub so ntswg, ua rau daim ntawv tawv thiab ruaj khov dua.
Tus neeg saib xyuas txheej: Hauv txheej txheej txheej ntawm daim ntawv, cellulose ether tuaj yeem pab cov txheej txheem kom sib npaug sib npaug, txhim kho qhov smoothness thiab luam ntawv hloov pauv ntawm daim ntawv.
Zaj duab xis-forming tus neeg sawv cev: Cellulose ether ua ib zaj duab xis nyias ntawm daim ntawv, ua kom cov dej tsis kam thiab ua haujlwm ntev ntawm daim ntawv.
7. Lwm yam kev lag luam
Cellulose ether kuj tau siv dav hauv lwm cov lag luam, xws li textiles, tawv, khoom siv hluav taws xob, kev tiv thaiv ib puag ncig thiab lwm yam. Hauv kev lag luam textile, cellulose ether tuaj yeem siv rau cov xov paj sizing, ntaub xov thiab dye dispersion; hauv kev ua tawv tawv, cellulose ether tuaj yeem siv los ua cov thickener thiab txheej txheej; Hauv kev tiv thaiv ib puag ncig, cellulose ether tuaj yeem siv los ua flocculant thiab adsorbent hauv dej kho rau kev kho dej khib nyiab.
Raws li cov khoom hloov pauv ntawm cov khoom siv ntuj tsim, cellulose ether plays lub luag haujlwm tseem ceeb hauv ntau qhov chaw xws li kev tsim kho, tshuaj, khoom noj, tshuaj pleev ib ce, roj extraction, papermaking, thiab lwm yam nrog nws cov thickening zoo heev, dej tuav, tsim zaj duab xis, stability thiab lwm yam khoom. . Nrog rau kev nce qib ntawm kev siv thev naus laus zis tas mus li, daim ntawv thov cov peev txheej thiab kev ua haujlwm ntawm cellulose ethers tseem nthuav dav. Nyob rau hauv lub neej yav tom ntej, cellulose ethers yuav tsum qhia ntau lub peev xwm thiab daim ntawv thov tus nqi nyob rau hauv ntsuab thiab ib puag ncig tus phooj ywg cov ntaub ntawv, tshiab tshuaj npaj thiab ntse cov ntaub ntawv.
Post lub sij hawm: Sep-13-2024