HydroxyPropyyl methylulose (HPMC) yog cov khoom lag luam hauv tsev, cov khoom siv gypsum, cov plag tsev sib xyaw ua ke thiab qib siab. HPMC tau dhau los ua tus tseem ceeb ntxiv hauv kev tsim kho vim nws qhov kev ua tau zoo thiab versatility.
1. Cov dej zoo ua haujlwm
Ib qho ntawm cov khoom tshaj plaws ntawm HPMC yog nws lub peev xwm ua haujlwm tau zoo. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv qhuav mak cug thiab cov khoom siv plaster. Thaum kev tsim kho, dej qeeb ntawm cov dej pab cov khoom siv kom tob tob, tiv thaiv qhov chaw tawg thiab poob ntawm lub zog. HPMC tuaj yeem txo qis cov dej poob, nce lub sijhawm qhib kev tsim kho, thiab ua rau kev tsim kho ntau qhov chaw ua si.
2. Txhim kho kev tsim kho kev tsim kho
Qhov kev sib txuas ntawm HPMC rau cov khoom siv hauv tsev tuaj yeem txhim kho kev ua haujlwm zoo. Nws tuaj yeem ua rau lub nqus dej yas thiab cov plasticity ntawm lub tshuaj khib, ua kom cov khoom siv tau yooj yim dua thiab du, thiab txo cov vols thiab npuas tsim tawm thaum lub sijhawm tsim kho. Ib qho ntxiv, HPMC tuaj yeem txhim kho kev tawm tsam plam ntawm cov ntaub ntawv cug, uas yog qhov tshwj xeeb hauv av, kom muaj peev xwm ua tau txoj haujlwm ruaj khov tom qab kev tsim kho.
3. Txhim Kho Adhesion
HPMC tuaj yeem txhim kho txoj hlua khi ntawm lub zog cug thiab lwm yam ntaub ntawv hauv tsev. Lub hom kuab qhib nws cov ntaub ntawv hauv dej tuaj yeem nce cov nplaum ntawm lub tshuaj khib thiab ua kom nws ua raws li cov substrate. Tshwj xeeb tshaj yog nyob rau hauv cov nplais nplaum thiab phab ntsa txheej txheem, qhov sib ntxiv ntawm HPMC tuaj yeem pab txhim kho Adhesion thiab txo qhov kev pheej hmoo ntawm kev poob.
4. Tsis kam rau Sagging
Thaum ua haujlwm ntawm qhov chaw ntsug, cov khoom siv tiv thaiv mus rau sagging yog qhov tseem ceeb. HPMC txhim kho kev tawm tsam los ntawm kev viscosity ntawm cov tshuaj khib, kom pom tseeb tias cov khoom siv yuav tsis sag lossis hauv qab kev tsim kho. Cov yam ntxwv no tshwj xeeb yog nyob rau sab nrauv phab ntsa rwb thaiv tsev tshuab thiab cov ceramic pobzeb paving, uas ua kom tau zoo txhim kho kev tsim kho thiab kev nyab xeeb.
5. Cov dej ua kom zoo thiab rov qab ua haujlwm
HPMC tuaj yeem txuas lub sijhawm teem lub sijhawm tshuaj khib thiab muab sijhawm txaus ua haujlwm txaus. Qhov no tseem ceeb heev rau cov neeg ua haujlwm tsim kho, uas tuaj yeem hloov kho thiab cov khoom siv kom ntev dua, tshwj xeeb yog qhov chaw qhuav lossis rov qab muaj zog ntawm HPMC yog qhov tseem ceeb tshaj plaws.
6. Tawg tsis kam
Los ntawm kev tswj cov dej evaporator, HPMC tuaj yeem txo cov kev ntxhov siab hnyav thaum lub sijhawm ua kom qhuav, yog li txo qhov tshwm sim ntawm cov kab nrib pleb. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv high-lub zog, cov kev muaj zog siab thiab ua vaj tse, uas tuaj yeem nce lub neej ruaj khov thiab kev pabcuam lub neej ntawm cov khoom.
7. Kev tiv thaiv ib puag ncig thiab kev nyab xeeb
HPMC yog qhov tsis muaj tshuaj lom, tsis muaj ntxhiab, cov khoom siv biodegradable uas yuav tsis ua kom muaj kev phom sij rau ib puag ncig lossis tib neeg lub cev. Qhov no ua rau nws ntxim nyiam dua hauv kev tsim kho cov ntawv thov, tshwj xeeb tshaj yog nyob rau hauv cov tsev tshiab uas tsom rau kev tiv thaiv ib puag ncig thiab kev noj qab haus huv. Tsis tas li ntawd, kev siv HPMC tsis tas yuav siv cov cuab yeej siv tsim nyog lossis cov xwm txheej yooj yim ua haujlwm, thiab ua tau raws li cov kev xav tau ntawm cov tsev ntsuab.
8. Kev ruaj khov thiab kev yoog raws
HPMC muaj kev ruaj khov rau cov acids thiab cov hauv paus thiab tuaj yeem tswj tau ruaj khov nyob rau hauv ntau yam kev ua haujlwm ib puag ncig. Tsis tas li ntawd, nws hloov tau yooj yim thiab tau tshaj nrog ntau yam khoom siv hauv tsev tsis muaj kev cuam tshuam. Seb nws yog cement-raws li, gypsum-raws li cov ntaub ntawv lossis cov kua qaub-based cov ntaub ntawv, HPMC tuaj yeem muab kev ua tau zoo txhim kho.
Raws li lub tsev tseem ceeb ntxiv, HydroxyPropyyl methylcelulose cov khoom siv, txhim kho kev tsim kho, ua kom zoo, tawg ua kom muaj kev tiv thaiv ib puag ncig thiab kev nyab xeeb. , ua si ib lub luag haujlwm tseem ceeb hauv cov ntaub ntawv hauv tsev niaj hnub no. Nws cov ntawv thov dav tsis tsuas yog txhim kho kev ua haujlwm tau zoo thiab ua tau zoo, tab sis kuj tseem muab txhawb nqa rau kev tsim kho kev tsim kho. Nyob rau hauv lub neej yav tom ntej, nrog kev nce qib ntawm thev naus laus zis thiab kev nce hauv kev ua lag luam xav tau, daim ntawv thov kev cia siab ntawm HPMC hauv kev tsim kho teb yuav dav.
Lub Sijhawm Post: Feb-17-2025