HPMC yog ib qho khoom siv feem ntau siv hauv ntau hom kev lag luam thiab kev siv tshuaj. HPMC, tseem hu ua hydroxypropyl methylcellulose, yog muab los ntawm cellulose, ib tug natural polymer tsim los ntawm cov nroj tsuag. Cov tshuaj no tau txais los ntawm kev kho cellulose nrog tshuaj xws li methanol thiab propylene oxide. Cov khoom tshwj xeeb ntawm HPMC ua rau nws muaj kev xaiv nrov hauv ntau qhov chaw.
Muaj ntau hom HPMC, txhua tus muaj cov khoom tshwj xeeb thiab kev siv.
1. HPMC raws li thickener
HPMC yog dav siv nyob rau hauv ntau yam lag luam raws li ib tug thickener. HPMC thickens kua thiab muab ib tug zoo nkauj zoo nkauj thiab yog li ntawd feem ntau siv nyob rau hauv cov tshuaj pleev ib ce, cream thiab lwm yam khoom tu tawv nqaij nyob rau hauv kev lag luam tshuaj pleev ib ce. Cov khoom thickening ntawm HPMC kuj tseem muaj txiaj ntsig zoo hauv kev lag luam khoom noj khoom haus los hloov cov tshuaj thickeners xws li pob kws. Hauv kev tsim kho kev lag luam, HPMC yog siv los ua tus neeg sawv cev thickening hauv cov khoom siv cement xws li grouts thiab caulks. Lub thickening zog ntawm HPMC ua rau nws zoo tagnrho rau siv nyob rau hauv cov khoom uas yuav tsum tau ib tug zoo sib xws kev ntxhib los mos.
2. HPMC raws li nplaum
HPMC kuj tseem siv los ua cov nplaum hauv ntau qhov kev lag luam. Hauv kev lag luam khoom noj khoom haus, HPMC yog siv los ua cov ntaub ntawv rau cov khoom noj nqaij xws li hnyuv ntxwm thiab burgers. HPMC khi cov nqaij ua ke, muab nws ib qho kev ntxhib los mos thiab tiv thaiv kom tsis txhob poob thaum ua noj. Hauv kev lag luam kws tshuaj, HPMC yog siv los ua cov ntawv khi rau cov ntsiav tshuaj. HPMC xyuas kom meej tias cov ntsiav tshuaj nyob twj ywm thiab tsis tawg thaum noj qhov ncauj. Tsis tas li ntawd, HPMC muaj qhov cuam tshuam-tso tawm, uas txhais tau hais tias nws pab tso tawm cov khoom xyaw nquag hauv cov ntsiav tshuaj maj mam dhau sijhawm, ua kom muaj kev cuam tshuam ntev dua.
3. HPMC ua tus neeg ua yeeb yaj kiab
HPMC kuj tseem siv los ua tus neeg sawv cev ua yeeb yaj kiab hauv ntau qhov kev lag luam. Hauv kev lag luam khoom noj khoom haus, HPMC yog siv los tsim cov yeeb yaj kiab tiv thaiv ntawm cov khoom noj xws li txiv hmab txiv ntoo thiab zaub kom tsis txhob lwj. HPMC tseem tiv thaiv cov zaub mov los ntawm kev sib txuas ua ke, ua kom yooj yim rau kev lis thiab pob. Hauv kev lag luam tshuaj, HPMC yog siv los tsim cov yeeb yaj kiab ntawm cov ntsiav tshuaj, tiv thaiv lawv thiab ua kom ntseeg tau tias cov khoom xyaw nquag muaj kev tiv thaiv ib puag ncig. HPMC kuj tseem siv rau hauv kev lag luam tshuaj pleev ib ce los tsim cov yeeb yaj kiab tiv thaiv ntawm daim tawv nqaij, tiv thaiv kom tsis txhob ya raws thiab ua kom daim tawv nqaij hydrated ntev.
4. HPMC ua tus neeg sawv cev ncua
HPMC kuj muaj cov cuab yeej levitating, ua rau nws zoo tagnrho rau siv ntau yam kev lag luam. Hauv kev lag luam coatings, HPMC yog siv los ua tus neeg sawv cev ncua los tiv thaiv cov khoom sib txawv ntawm cov txheej txheem los ntawm kev sib cais. HPMC kuj tseem pab tswj cov viscosity ntawm cov xim, kom ntseeg tau tias nws kis tau zoo thiab sib npaug ntawm qhov chaw. Hauv kev lag luam kws tshuaj, HPMC yog siv los ua tus neeg sawv cev rau cov tshuaj ua kua. HPMC tiv thaiv cov khoom xyaw nquag hauv cov tshuaj los ntawm kev nyob hauv qab ntawm lub thawv, kom ntseeg tau tias cov tshuaj sib npaug sib npaug thiab siv tau zoo.
5. HPMC rau kev siv hydrophilic
HPMC kuj tseem siv rau hauv daim ntawv thov hydrophilic. Qhov hydrophilic xwm ntawm HPMC txhais tau tias nws nyiam thiab khaws cov dej noo, ua rau nws zoo tagnrho rau siv ntau qhov chaw. Hauv kev lag luam kws tshuaj, HPMC yog siv los ua tus neeg sawv cev hydrophilic kom ntseeg tau tias cov tshuaj tau yooj yim nqus los ntawm lub cev. HPMC kuj tseem siv hauv kev lag luam tshuaj pleev ib ce los pab tswj cov tawv nqaij noo. Hauv kev tsim kho kev lag luam, HPMC yog siv los ua tus neeg sawv cev hydrophilic los txhim kho cov kav ntev thiab lub zog ntawm pob zeb.
nyob rau hauv xaus
HPMC yog ib qho kev sib xyaw ua ke nrog ntau daim ntawv thov hauv ntau qhov kev lag luam. Kev nkag siab txog ntau hom HPMC thiab lawv cov kev siv tuaj yeem pab peb nkag siab qhov tseem ceeb ntawm cov tshuaj no hauv peb lub neej txhua hnub. HPMC yog ib qho kev nyab xeeb, ua tau zoo thiab ib puag ncig zoo rau lwm txoj hauv kev tshuaj lom neeg, ua rau nws muaj kev xaiv nrov rau ntau yam kev lag luam thiab kev kho mob.
Post lub sij hawm: Oct-26-2023