Hydroxyethylmethylcellulose (HEMC) yog qhov sib xyaw ua ke nrog ntau yam kev siv thoob plaws ntau yam kev lag luam. Cov dej-soluble polymer no yog muab los ntawm cellulose thiab nquag siv rau nws cov thickening, gelling, thiab film-forming zog. Nws cov qauv tshuaj muaj xws li hydroxyethyl thiab methyl pawg, uas ua rau nws cov khoom tshwj xeeb. Kev siv hydroxyethyl methylcellulose hla ntau thaj chaw, suav nrog kev tsim kho, tshuaj, khoom noj, tshuaj pleev ib ce, thiab lwm yam.
1. Kev tsim kho kev lag luam:
Mortar thiab Cement Additives: Ib qho ntawm cov kev siv tseem ceeb ntawm HEMC hauv kev tsim kho kev lag luam yog ib qho ntxiv rau mortars thiab cov khoom siv cement. Nws txhim kho kev ua haujlwm, kev tuav dej thiab ua kom zoo, pab txhim kho kev ua haujlwm thiab ua haujlwm ntev ntawm cov khoom siv hauv tsev.
Pobzeb Adhesives: HEMC feem ntau ntxiv rau cov nplais nplaum kom muab lub sijhawm qhib zoo dua, sag tsis kam, thiab daim ntawv cog lus muaj zog. Nws pab tswj cov nplaum sib xws, kom ntseeg tau tias daim ntawv thov raug tsim nyog thiab daim ntawv cog lus ntev.
2. Tshuaj:
Cov tshuaj ntawm qhov ncauj thiab tshuaj pleev ib ce: Hauv cov tshuaj, HEMC yog siv rau hauv qhov ncauj thiab tshuaj pleev. Nws ua raws li ib tug thickening tus neeg sawv cev nyob rau hauv cov kua ntau npaum cov ntaub ntawv, muab ib tug zoo ib yam thiab du zoo nkauj. Hauv cov tshuaj pleev ib ce, nws pab tsim cov qauv gel thiab tswj kev tso tawm ntawm cov khoom xyaw nquag.
Ophthalmic solutions: Vim nws lub peev xwm los tsim cov gels ntshiab, HEMC tuaj yeem siv rau hauv cov tshuaj kho qhov muag los muab qhov tseeb thiab ruaj khov rau cov tshuaj.
3. Khoom noj khoom haus kev lag luam:
Thickening tus neeg sawv cev: HEMC yog siv los ua tus neeg sawv cev thickening hauv ntau yam khoom noj, xws li kua ntses, hnav khaub ncaws thiab khoom siv mis nyuj. Nws imparts viscosity rau zaub mov thiab txhim kho nws tag nrho kev ntxhib los mos.
Stabilizers thiab Emulsifiers: Hauv qee daim ntawv thov zaub mov, HEMC yog siv los ua cov stabilizer thiab emulsifier los pab tswj qhov sib npaug ntawm qhov sib tov thiab tiv thaiv kev sib cais.
4. Tshuaj pleev ib ce:
Cov Khoom Siv Kho Tus Kheej: HEMC yog cov khoom muaj nyob rau hauv cov khoom tu tus kheej, suav nrog tshuaj pleev, tshuaj pleev, thiab tshuaj zawv plaub hau. Nws txhim kho cov viscosity ntawm cov qauv no, muab kev ntxhib los mos zoo tagnrho thiab txhim kho kev ua haujlwm tag nrho ntawm cov khoom.
Zaj duab xis-forming tus neeg sawv cev: Vim nws cov yeeb yaj kiab tsim cov khoom, HEMC yog siv rau hauv cov tshuaj pleev ib ce los tsim cov txheej tiv thaiv nyias ntawm daim tawv nqaij lossis plaub hau.
5. Xim thiab Txheej:
Cov txheej txheem dej: Hauv cov txheej txheem dej, HEMC yog siv los ua cov thickener thiab stabilizer. Nws pab tswj cov xim sib xws, tiv thaiv cov xim xim, thiab txhim kho daim ntawv thov kev ua haujlwm.
Textured Coatings: HEMC yog siv nyob rau hauv textured coatings kom ua tau raws li qhov xav tau kev ntxhib los mos thiab sib xws. Nws pab txhawb rau kev ua haujlwm thiab cov tsos ntawm cov txheej txheem kawg.
6. Adhesives thiab sealants:
Dej-raws li adhesives: HEMC yog ntxiv rau cov dej-raws li adhesives los tswj viscosity thiab txhim kho cov khoom sib txuas. Nws xyuas kom meej txawm tias daim ntawv thov thiab txhim kho cov adhesion ntawm cov nplaum.
Sealants: Nyob rau hauv cov txheej txheem sealant, HEMC pab nyob rau hauv thixotropic cwj pwm, tiv thaiv sag thiab xyuas kom meej sealing nyob rau hauv daim ntawv thov ntsug.
7. Cov tshuaj ntxuav tes thiab ntxuav cov khoom:
Kev Tu Cov Qauv: HEMC tau muab tso rau hauv cov qauv tu kom txhim kho cov khoom viscosity thiab ruaj khov. Nws xyuas kom meej tias lub tshuab ntxhua khaub ncaws tuav nws cov txiaj ntsig thiab ua raws li qhov chaw kom pom kev ua haujlwm zoo.
8. Kev lag luam roj thiab roj:
Drilling Fluids: Hauv kev lag luam roj thiab roj, HEMC yog siv rau hauv cov dej drilling los tswj cov viscosity thiab txhim kho cov dej tsis zoo. Nws pab txhawb rau kev ruaj ntseg thiab kev ua tau zoo ntawm cov dej drilling hauv ntau qhov chaw hauv qhov chaw.
9. Textile kev lag luam:
Printing pastes: HEMC yog siv rau hauv textile printing pastes los tswj viscosity thiab rheology. Nws xyuas kom meej txawm tias faib cov xim thaum luam ntawv.
10. Lwm yam kev siv:
Cov khoom siv tu cev: HEMC yog siv los tsim cov khoom siv tu cev, suav nrog cov ntaub so ntswg thiab cov ntaub so ntswg, txhawm rau txhim kho kev ua haujlwm ntawm cov khoom nqus dej.
Lubricants: Hauv qee cov ntawv thov kev lag luam, HEMC yog siv los ua cov roj nplua nyeem ntxiv los txhim kho lubricity thiab stability ntawm cov roj nplua nyeem.
Cov yam ntxwv ntawm hydroxyethyl methylcellulose:
Dej Solubility: HEMC yog soluble hauv dej, uas tso cai rau nws yooj yim muab tso rau hauv ntau hom formulations.
Thickening: Nws muaj cov khoom ua kom tuab zoo thiab pab ua kom cov viscosity ntawm cov kua thiab cov gels.
Zaj duab xis tsim: HEMC tuaj yeem tsim cov yeeb yaj kiab meej thiab hloov tau yooj yim, ua rau nws tsim nyog rau cov ntawv thov uas tsim cov yeeb yaj kiab yog qhov tseem ceeb.
Stability: Nws txhim khu kev ruaj ntseg ntawm cov mis, tiv thaiv kev teeb tsa, thiab txuas lub neej txee.
Nontoxic: HEMC feem ntau suav hais tias muaj kev nyab xeeb rau kev siv ntau yam kev siv thiab tsis muaj tshuaj lom.
Hydroxyethylmethylcellulose (HEMC) yog ib qho tseem ceeb thiab muaj ntau yam khoom muaj nyob rau hauv ntau qhov kev lag luam, pab txhawb kev ua haujlwm thiab kev ua haujlwm ntawm ntau yam khoom. Nws cov khoom sib xyaw tshwj xeeb, suav nrog dej solubility, thickening peev xwm thiab zaj duab xis-tsim cov khoom, ua rau nws muaj txiaj ntsig muaj txiaj ntsig hauv kev tsim kho, tshuaj, khoom noj, tshuaj pleev ib ce, pleev xim, nplaum thiab lwm yam. Raws li cov txheej txheem thev naus laus zis thiab kev lag luam txuas ntxiv mus, HEMC zoo li yuav ua lub luag haujlwm tseem ceeb hauv kev tsim cov yam ntxwv ntawm ntau yam khoom lag luam thoob plaws kev lag luam sib txawv.
Post lub sij hawm: Dec-26-2023