Nyob rau tib lub sijhawm, nws tuaj yeem txhim kho lub zog compressive thiab lub zog shear ntawmHPMC HydroxyPropyl Methyl cellulose, txuas ntxiv txhim kho qhov kev cuam tshuam tiag tiag ntawm kev tsim txua, txhim kho kev ua haujlwm. HPMC HydroxyPropyl cellulose tuaj yeem txhim kho cov hmoov nplaum me me, txo tus neeg raug tshem tawm, ua kom muaj kev vam meej ntawm kev tsim txua. HydroxyPropy cellulose tuaj yeem nce lub sijhawm ua haujlwm thiab cuam tshuam nrog qhov teeb meem ntawm lub hollow thiab tsis txaus lub zog ua rau lub zog tsim txua lub zog.
Lub siab tso dej-xauv kev ua tau zoo ntawm Egineering siv qhov sib xyaw thiab ua tau zoo txhim kho cov kev sib xyaw ua ke lub zog ntawm cug. Nyob rau tib lub sijhawm, lub zog compressive thiab ua kom muaj zog ntawm hydroxyprropy cellulose tuaj yeem txhim kho kom tau txais kev tsim kho qhov tseeb thiab txhim kho kev ua haujlwm.
Ya raws tub,HPMCHydroxyPropy cellulose, muaj txiaj ntsig ntawm hydroxypropyl cellulose hauv cov hmoov putty, kom tiv thaiv kom qhuav thiab ziab tawm dej nrawm. HydroxyPropy cellulose tuaj yeem txhim kho cov hmoov nplaum ntawm cov nplaum ntawm cov hmoov nplaum, txo tus neeg raug tshem tawm, xyuas kom meej meej ntawm kev tsim kho tshuab.
HPMC hydroxypropyl methyl cellulose key with locking water, thickening, wetting and other effects, thickening, wetting and other effects have a certain initial setting effect. HydroxyPropy cellulose tuaj yeem nce lub sijhawm ua haujlwm thiab cuam tshuam nrog qhov teeb meem ntawm lub hollow thiab tsis txaus lub zog ua rau lub zog tsim txua lub zog.
HPMC HydroxyPropyl cellulose hauv phab ntsa rwb thaiv tsev rwb thaiv tsev. Tshuaj khib yog yooj yim heev kom npog, txhim kho kev ua tau zoo, nrog rau kev ua haujlwm ntawm kev tawm tsam kev tiv thaiv thiab cov nyhuv siv. Cov dej-ntsuas phoo kev ua tau zoo ntawm hydroxypropyl cellulose tuaj yeem ua rau lub sijhawm cug, txhim kho lub zog zoo, thiab txhim kho lub zog compressive ntawm kev ua lub neej.
Cov av dej ntau-doluble binder tau tshem tawm qhov xav tau rau cov vuas ua ntej lossis cov hauv paus dos ntub thiab cov hauv paus, txuas ntxiv txhim kho cov kev sib txuas ua kom muaj zog compressive zog. Lub Slurry kev tsim kho lub sijhawm ntev, ceevfully, symmetrical, yooj yim engineering kev tsim kho, nrog zoo noo noo tsis kam.
Hauv thaj teb ntawm Alpines Xinesle Cellings, Hydroxypropyl cellulose thiab thickener, yog li ntawd cov zaj duab xis tau hnav zoo dua hnav tsis kam, taus thiab kua nplaum. PHIC siv los txhim kho cov kev cuam tshuam interfacial yog tau txhais tau zoo, thiab sib xyaw nrog cov tshuaj organic yog qhov zoo thiab muaj qhov zoo smoothness.
Kev Tsim Kho Nyiaj Txiag muaj lub zog zoo, cov dej ua haujlwm zoo heev thiab kev laus tsis kam. Lub pob zeb txheej zeb tiag tiag cov qauv tsim qauv yog qhov tseem ceeb heev. Ib qho tuj ntawm cov lacquer zoo yog muaj li 300kg ntshiab styrene-acrylic emulsion, 650kg ntshiab li ntuj ua suab pob zeb thiab lwm yam. Zoo siab Lacquers yog tus cwj pwm los ntawm ntau cov moisturizing lotions. Thaum cov kua muaj zog ntawm cov emulsion yog 50%, qhov ntim ntawm 300kg moisturizing emulsion tom qab 150 liv hnyav xuab zeb yog hais txog 228 litres. Uas yog hais, nyob rau hauv cov ntaub ntawv no, cov xim pob zeb tiag tiag (xim muab cov txiaj ntsig siab) yog 60%. Vim tias cov loj certalle loj thiab xwm txheej tsis zoo ntawm cov xuab zeb zoo, nyob rau hauv cov txheej txheem phab ntsa loj me me yog yuav nyob ib ncig ntawm CPVC concentration tus nqi).
Rau viscosifier, yog tias tsim nyog cellulose tsim nyog cellulose viscire Peb txoj kev cai rau tsev txheej txheej. Qhov tseeb, daim ntawv thov ntawm ntau kev lag luam thiab cov tswv yim pob zeb Qi, ib tuj ntawm cov duab zais cia, 750kg xim phaj, 2050kg xim, fungicides, thiab lwm yam), tus so ntawm lub Dej thiab cov khoom tu tawv nqaij. Qhov no hom ntawm cov pob zeb tiag tiag xim PVC feem ntau hauv nruab nrab ntawm 75%? Nruab nrab ntawm 85%, hauv cov txheej txheem ua haujlwm yog qhuav, tiag tiag pob zeb xim txheej yog qhov nyuaj los tsim cov ncauj lus kom ntxaws thiab nruj xim txheej. Yog li ntawd, yuav ua li cas thiaj li siv tag nrho cov moisturizing emulsion zais zais cia, yog li ntawd cov txheej kom deb li deb tau ua kom haum.
Real Stone txheej txheej muaj cov yam ntxwv ntawm cov viscosity qis (siab molecular hnyav). Vim tias qhov nce nyob rau hauv tus nqi ntawm cellulose khoom lag luam, lub viscosity ntawm kev siv cellulose tau hloov los ntawm kev siv tshuaj ntawm metriculose los ntawm methyl cellulose (HEC ) Rau hydroxyl acrylic cellulose (HPMC); Daim ntawv thov ntawm methyl methyl cellulose hpmc yuav cuam tshuam ntau cov xim av ntawm cov pob zeb uas muaj feem Cov lus teb yog tias kev ua yeeb yam ntawm lub pob zeb pleev xim txheej yuav muaj kev phem zuj zus thiab ua!
HPMC tuaj yeem muab faib ua khoom siv tam sim thiab kub soluble. Thaum cov dej txias sai sai thiab cov kev sib koom ua ke hauv dej, HPMC tuaj yeem muab faib ua tam sim thiab kub soluble. Nyob rau lub sijhawm no, kua tsis muaj viscosity, vim tias HPMC tsuas yog dispersed hauv dej, thiab tsis muaj kev nkag siab tiag tiag ntawm melting. Tom qab hais txog 2min, lub viscosity ntawm cov kua ua tau qeeb, tsim cov pob tshab viscous colloid daws. Thaum kub organic cov kuab tshuaj pom hauv cov dej txias, lawv tuaj yeem tawg sai sai hauv dej kub thiab dissipate hauv dej kub. Thaum qhov chaw kub yog txo kom muaj qee qib ntawm tshav kub, lub viscosity yuav maj tshwm sim kom txog thaum muaj kev daws teeb meem viscous tau tsim tawm. Hom kev thermal organic huab cua yog tsuas yog siv nyob rau hauv phab ntsa sab hauv patty thiab tshuaj khib. Hauv cov kua loj teev thiab txheej, muaj cov pejxeem uas tsis tuaj yeem siv. Cov hom ceev - cov hom solubility muaj cov ntawv thov cov ntaub ntawv dav dav. Yuav siv tau rau sab hauv phab ntsa sab hauv muaj hmoov thiab tshuaj khib, thiab nws cov kua loj teev thiab txheej. Yog tsis muaj dab dab.
Dej kub melting: vim tias HPMC hauv dej kub tsis yaj, yog li HPMC hauv cov ntawv txuas qub tuaj yeem yog tusyees yaj hauv dej kub, thiab tom qab ntawd kuv melting sai sai. Ob txoj hauv kev piav qhia tau piav raws li nram no:
1) Tso cov dej kub uas koj xav tau rau hauv lub nkoj thiab ua kom sov li 70 ℃. Maj mam sib tov, maj mam ntxiv hydroxypropyl cellulose, maj mam HPMC ntab rau hauv tub yees sludge hauv kev sib xyaw.
2) Ntxiv rau 1/3 lossis 2/3 ntawm cov dej mus rau hauv lub nkoj, ua kom sov, ua kom sov li ntawm HPMC, thiab npaj cov dej kub sludge; Cov dej txias ntxiv yog tom qab ntawd ntxiv rau cov kub sludge thiab sib xyaw nrog cov post-txias sib xyaw.
Hmoov sib xyaw txoj kev: HPMC hmoov nrog rab yam thiab ntau lwm yam tshuaj lom neeg muaj cov khoom xyaw txaus, tom qab ntawd ntxiv dej kom yaj. Nyob rau lub sijhawm no, HPMC tuaj yeem yaj nyob rau hauv cov ntaub ntawv ntawm tsis muaj cov hmoov me me xwb - txoj kev yuav tsum tau ua ib qho ntawm sab hauv phab ntsa putty thiab coll tuam tsev. [HPMC] raws li tus neeg sawv cev sib dhos thiab cov tshuaj tua dej noo hauv cov putty cug ntawm sab hauv phab ntsa sab hauv.
Qhov no yog ib txwm hydroxypropyl methylropeyl cellulose (HMPC) lub kua muag dag, uas yog ze rau Visoelastic tshuaj (mas Mucin) hauv lub kua muag. Nws ua raws li cov npoo ntawm lub qhov muag los ntawm kev tshaj tawm ntawm lub xeev ntawm cov mucin, yog li txhawm rau txhawm rau cov nyhuv ntub dej ntawm lub pobta.
Hauv cov hmoov ua kom muaj hmoov, thickening, dej tuav thiab tsim kho peb lub zog. Thickening, cellulose tuaj yeem ua kom tuab rau kev raug ncua, yog li cov tshuaj yuav tsis zoo li qub thiab nqis lub luag haujlwm ntawm kev tua neeg khiav tawm. Dej khaws cia: Ua kom muaj hmoov qhuav qhuav maj mam, ib qho kev tso tshuaj calcium hauv kev ua ntawm cov dej tawm. Kev tsim kho: cellulose lubrication, tuaj yeem ua rau cov hmoov putty muaj kev tsim kho kom zoo. HPMC tsis koom nrog kev siv tshuaj lom neeg, tab sis tsuas yog ua lub luag haujlwm txhawb nqa.
Kev ntxhib los mos xim yog qhov yooj yim dua nyob rau hauv kev xaiv cov xim, thiab tuaj yeem ua tiav cov xim zoo tshaj plaws, thiab cov xim av tiag tiag, txhua tus muaj nws tus kheej lub zog. Kev ntxhib los mos xim thiab lacquer hauv cov txheej txheem ntau lawm, feem ntau hauv cov kua roj vanish, feem ntau yog cov roj vanish (lub teeb roj) kom tsuag lawv cov nyhuv Artistic lossis cov nyhuv pob zeb.
Lacquer, cov xim pleev xim yog cov xim pleev xim, tsuas yog siv rau kev kho kom zoo nkauj. Lub ntuj diatom Mud Official Incitest Conmetterizes ntawm cov xim pleev xim thiab lacquer sib txawv, cov duab hauv qab no kom pom qhov sib txawv ntawm lacquer thiab cov xim pleev xim.
Zoo Zoo Cov Khoom Siv Nyiaj Txiag, Cov Khoom Siv Hluav Taws Xob kom txuag tau cov nqi, tom qab ua cov yeeb yaj kiab me me, tsis yog xim pleev xim rau lub zog, Thaum ntsib huab cua los nag rau lub sijhawm ntev, cov nag yuav nkag mus rau hauv cov xim pleev xim, tiag pob zeb pleev xim dawb.
Qee cov tuam ntxhab hauv kev tsim cov lacquer, feem ntau ntxiv cov tshuaj cellulose ntau dua li cov dej ua ke, cov yeeb yaj kiab dolrothilic
Lub Sijhawm Post: Jun-09-2022