1. Cov teeb meem uas muaj nyob hauv Putty hmoov
Qhuav yoo mov
Qhov no yog feem ntau cuam tshuam nrog tus nqi ntawm cov hmoov tshauv ntxiv ntxiv (cov dej hiav txwv tsis zoo rau hauv hydroxypropen (HPMC), thiab nws kuj muaj feem xyuam rau Lub dryness ntawm phab ntsa ntsig txog.
Tev thiab dov
Qhov no cuam ntsig txog cov dej khaws cia, uas yooj yim tshwm sim thaum lub viscrophypropleculose (HPMC) yog tsawg lossis tus nqi ntxiv yog me me.
De-hmoov ntawm phab ntsa sab hauv Putty
Qhov no cuam tshuam nrog tus nqi ntawm cov hmoov tshauv calcium hmoov (tus nqi ntawm cov hmoov av hiav txwv yog qhov tsawg dhau los yog cov hmoov tshauv ntshav qab zib, thiab cov nyiaj ntawm cov hmoov av tshauv yuav tsum yog Cov khoom siv tau nce ntxiv), thiab nws tseem muaj feem xyuam rau tus nqi ntawm hydroxypropyl me ntawm lub hauv paus cellulose (HPMC) yog xav txog hauv dej rov qab tus nqi ntawm cov khoom. Cov dej tuav cia qis qis, thiab lub sijhawm rau cov hmoov av ntsuab (calcium oxide hauv cov hmoov av calcium hmoov , tshwm sim.
ua npuas
Qhov no muaj feem xyuam rau cov av noo qhuav thiab tiaj ntawm phab ntsa, thiab nws tseem muaj feem xyuam rau kev tsim kho.
Tus PIN Taw
Qhov no muaj feem xyuam rau cellulose, uas muaj cov yeeb yaj kiab tsis zoo ua cov khoom. Nyob rau tib lub sijhawm, cov impurities nyob rau hauv hydroxypropal methylcellueculose (HPMC) kev tshwm sim me ntsis nrog cov hmoov tshauv. Yog tias cov tshuaj tiv thaiv yog qhov hnyav, cov hmoov puty yuav nyob rau hauv lub xeev ntawm taum curd residue. Nws tsis tuaj yeem muab tso rau ntawm phab ntsa, thiab nws tsis muaj cohesive quab yuam nyob rau tib lub sijhawm. Ib qho ntxiv, cov khoom lag luam xws li hydroxypropyl methylcellose (HPMC) sib xyaw nrog cov pab pawg carboxymethyl kuj tshwm sim hauv qhov xwm txheej no.
Roob hluav taws thiab pinholes tshwm sim
Qhov no yog pom tseeb hais txog cov dej saum npoo nro ntawm hydroxypropythylropenfose (HPMC) cov tshuaj aqueous. Lub rooj dej nro ntawm hydroxyethyl aque kua tsis pom tseeb. Nws yuav zoo rau ua kev kho tiav.
Tom qab cov putty dries, nws yog ib qho yooj yim kom tawg thiab tig daj
Qhov no muaj feem xyuam rau kev sib ntxiv ntawm cov nyiaj ntau ntawm cov hmoov tshauv. Yog tias cov nyiaj ntawm cov hmoov tshauv tshauv yog ntxiv ntau dhau, lub hardness ntau dhau, lub hardness ntawm cov hmoov putty yuav nce tom qab ziab. Yog tias cov hmoov putty tsis muaj kev hloov pauv tau, nws yuav tawg yooj yim, tshwj xeeb tshaj yog thaum nws raug rau sab nraud. Nws tseem muaj feem xyuam rau cov ntsiab lus ntau ntawm calcium oxide hauv cov hmoov tshauv calcium hmoov.
2. Vim li cas cov hmoov zaub putty ua thinner tom qab ntxiv dej?
HydroxyPropyyl methylcellulose (HPMC) yog siv los ua cov tuab thiab dej-khaws cov neeg sawv cev hauv cov roj. Vim yog thixotropy ntawm hydroxypropylulose (HPMC), HydroxyPropen Qhov no thixotropy yog tshwm sim los ntawm kev puas tsuaj ntawm cov qauv sib xyaw ua ke ntawm cov khoom sib xyaw ua ke hauv cov hmoov noj. Tus qauv no tshwm sim ntawm so thiab tawg poob qis hauv kev ntxhov siab. Uas yog hais, viscosity txo hauv qab nplawm, thiab viscosity rov qab thaum sawv twj ywm.
3. Dab tsi yog vim li cas vim li cas lub putty yog tus hnyav hauv cov txheej txheem scraping?
Hauv qhov no, lub viscosity ntawm hydroxypropylulose (HPMC) feem ntau siv yog qhov siab dhau, thiab qee tus neeg tsim khoom siv, thiab Lub putty tsim nyob rau hauv txoj kev no muaj siab viscosity, yog li nws yuav tog thaum batch scraping. txoj kev xav ntawm. Qhov pom zoo ntawm PUTTY rau phab ntsa sab hauv yog 3-5 kg, thiab viscosity yog 80,000-100,000.
4. Vim li cas koj xav tias lub viscosity ntawm hydroxypropylulose (HPMC) nrog tib viscosity sib txawv thiab lub caij ntuj sov?
Vim yog lub thermal gelation ntawm cov khoom, lub viscosity ntawm lub putty thiab tshuaj khib yuav maj mam txo qis nrog qhov ntsuas kub. Thaum qhov kub tshaj qhov kub tshaj ntawm cov khoom, cov khoom yuav tau precipitated los ntawm dej thiab poob nws viscosity. Chav nyob kub nyob rau lub caij ntuj sov feem ntau yog tshaj 30 degrees, uas yog ntau txawv ntawm qhov kub nyob rau lub caij ntuj no, yog li cov viscosity yog qis dua. Nws raug nquahu kom xaiv cov khoom lag luam nrog cov viscosity ntau dua thaum ua haujlwm hauv hydroxyprropylulose (HPMC), thiab xaiv cov khoom lag luam nrog cov khoom kub siab dua.
Lub Sijhawm Post: Apr-12-2023