HydroxyPropyyl methylcellose (HPMC) yog cov tsis-ionic cellulose ither ua los ntawm cov txheej txheem polymer los ntawm cov txheej txheem polymer los ntawm cov txheej txheem polymer los ntawm cov txheej txheem ntawm cov txheej txheem. Hydroxypropylencellulose (HPMC) yog cov ntxhiab tsw, tsis muaj tshuaj dawb uas tuaj yeem yaj nyob rau hauv cov dej khov kho. Nws muaj cov khoom siv ntawm thickening, khi, emulsifying, zaj duab xis, tswj kev ua kom muaj kev phom sij thiab tiv thaiv kev sib deev.
HPMC yog dav siv hauv cov khoom siv tsim kho, cov khoom siv hluavtaws, cov tshuaj, cov khoom noj, cov tshuaj ua liaj ua teb, luam yeeb thiab lwm yam kev lag luam. HPMC tuaj yeem sib faib ua qib kev tsim kho, khoom noj thiab cov qib tshuaj raws li lub hom phiaj. Tam sim no, feem ntau ntawm cov khoom lag luam yog cov qib kev tsim kho. Hauv cov hmoov tsim kho, ua kom muaj hmoov rau hauv cov nyiaj ntau, kwv yees li 90% yog siv rau cov hmoov ua kom muaj hmoov, thiab cov so yog siv rau cov txiv kab ntxwv xis thiab lo kua nplaum.
Cellulose ether yog tsis yog-ionic semi-synthetic high molecular polymular, uas yog dej-soluble thiab kuab-soluble.
Cov teebmeem tshwm sim los ntawm kev lag luam sib txawv txawv. Piv txwv li, hauv cov khoom siv hauv tsev, nws muaj cov kev cuam tshuam hauv qab no:
①Wwater khaws tus neeg sawv cev, cov neeg siv zog, ntawm cov khoom ntiag tug, ④film txoj kev ua vaj tse, ⑤binder
Hauv kev lag luam polyvinyl chloride kev lag luam, nws yog emulsifier thiab dispersant; Hauv kev lag luam kws tshuaj, nws yog lub binder thiab muab tso tawm qeeb thiab tshuaj xyuas lub moj khaum, nws daim ntawv thov lub teb tseem yog qhov ntau tshaj plaws. Tom ntej no, Kuv yuav tsom rau kev siv thiab ua haujlwm ntawm cellulose ether hauv ntau cov ntaub ntawv hauv tsev.
Hauv putty
Hauv cov hmoov putty, HPMC ua si peb lub luag haujlwm ntawm thickening, dej tuav thiab tsim kho.
Thickening: cellulose tuaj yeem ua tuab rau ncua thiab ua kom cov tshuaj daws teeb meem nce thiab nqis, thiab tiv taus sagging.
Kev tsim kho: Cellulose muaj cov nyhuv muaj lubricating nyhuv, uas tuaj yeem ua rau cov hmoov puty muaj kev tsim kho zoo.
Daim ntawv thov nyob rau hauv kev xauv taus xauv
Lub hau kev npaj tau yam tsis muaj dej ntxiv kom muaj lub zog ua kom muaj zog, tab sis cov ntshav sib txuas, kev ua haujlwm tsis zoo, thiab tsis tuaj yeem siv. Yog li ntawd, dej-khaws cov khoom siv thickening yog qhov tseem ceeb ntawm npaj-sib xyaw. Nyob rau hauv cap qhob, hydroxypropropyl cellulose lossis methyl cellulose feem ntau xaiv tau, thiab cov dej khaws cia ntxiv rau ntau dua 85%. Cov txheej txheem ntawm kev siv nyob rau hauv coll qhob yog kom ntxiv dej tom qab cov hmoov qhuav yog tusyees sib xyaw. Cov dej ua kom muaj dej siab tuaj yeem ua kom cov dej khov kho cov cement. Loj thiaj li nce nyiaj tau zog. Nyob rau tib lub sijhawm, lub tensile thiab shear lub zog tuaj yeem tsim kho kom zoo. Zoo siab txhim kho cov nyhuv kev tsim kho thiab txhim kho kev ua haujlwm efficiency.
Daim Ntawv Thov nyob rau hauv Pobzeb Adhesive
1. HydroxyPropylenClcellulose pobzeb nplaum tau siv tshwj xeeb kom txuag tau qhov yuav tsum tau ua ntej cov vuas hauv dej
2. Qauv muab tshuaj txhuam thiab muaj zog
3. Lub paste thickness yog 2-5mm, txuag cov ntaub ntawv thiab chaw, thiab chaw kho kom zoo nkauj ntxiv
4. Cov ntaub ntawv tshaj tawm kev xav tau rau cov neeg ua haujlwm tsis siab
5. Tsis muaj qhov yuav tsum tau kho nws nrog cov ntoo khaub lig hla ntawm txhua yam, cov tshuaj txhuam yuav tsis poob, thiab cov nplaum yog khov kho.
6. Yuav tsis muaj slurry tshaj tshaj plaws hauv pob qij txha, uas tuaj yeem zam qhov ua qias tuaj ntawm lub cib npoo
7. Ntau daim ntawm cov vuas luaj ceramic tuaj yeem muab tso ua ke, tsis zoo li ib leeg-thooj sizing ntawm kev siv cakes cug.
8. Kev tsim kho nrawm nrawm, txog 5 zaug sai dua CAFLE CAP tshaj tawm, txuag sijhawm thiab txhim kho kev ua haujlwm.
Daim ntawv thov hauv Caulking Tus Neeg Sawv Cev
Qhov kev sib ntxiv ntawm cellulose ether ua nws muaj cov ntug dej zoo nkauj, uas tiv thaiv cov khoom siv tshuab los ntawm kev puas tsuaj tsis zoo ntawm kev nkag mus rau tag nrho lub tsev.
Daim ntawv thov nyob rau hauv tus kheej-qib cov ntaub ntawv
Kev tiv thaiv los ntshav:
Ua si lub luag haujlwm zoo nyob hauv kev ncua, tiv thaiv slurry depitional thiab los ntshav;
Muaj kev mus ncig thiab:
Cov khoom lag luam tsis muaj viscosity tsis cuam tshuam rau kev ntws ntawm cov slurry thiab yooj yim los ua haujlwm nrog. Nws muaj qee yam dej khaws cia thiab tuaj yeem tsim cov nyhuv zoo tom qab kev ntsuas tus kheej kom tsis txhob tawg.
Daim Ntawv Thov Sab Nrauv Ntsa Sab Nraud phab Ntsej Muag Cug
Hauv cov khoom siv no, cellulose ether feem ntau ua lub luag haujlwm ntawm kev ua lub zog thiab nce lub tshuaj tshuaj tshuaj, ua rau lub tshuaj khib yooj yim rau lub tsho loj thiab txhim kho kev ua haujlwm. Nyob rau tib lub sijhawm, nws muaj peev xwm tiv taus kev dai. Nthuav tawm kuj, txhim kho cov kev ua kom zoo, nce lub zog.
Qhov sib ntxiv ntawm hydroxypropyl methylcellulose kuj muaj qhov tseem ceeb maj mam cuam tshuam ntawm cov tshuaj khib. Nrog kev nce ntawm tus nqi HPMC, lub sijhawm teem chaw ntawm cug vuaj yog txuas ntxiv, thiab tus nqi HPMC tseem muaj nce raws li. Lub sijhawm teeb tsa lub tshuaj khib tsim nyob rau hauv dej ntev dua li tsim nyob rau hauv huab cua. Cov yeeb yaj kiab no zoo kawg rau kev nqus cov pob zeb hauv qab dej. Fresh ntshiab shot cug kev sib xyaw nrog hydroxypropylulose muaj cov khoom siv sib txuas zoo thiab yuav luag tsis muaj dej seem
Daim Ntawv Thov nyob rau hauv Gypsum tshuaj
1. Txhim kho kis tus nqi ntawm Gypsum Base: piv nrog Hydroxypropylulose etherylculuculose ether, cov kis tau nce ntxiv.
2. Daim Ntawv Thov Cov Ntawv thiab Kev Siv: Lub teeb hauv qab plastering gypsum, cov kev pom zoo muab tshuaj yog 2.5-3.5 kg / tuj.
3. Excellent anti-sagging performance: no sag when one-pass construction is applied in thick layers, no sag when applied for more than two passes (more than 3cm), excellent plasticity.
4. Zoo heev rau kev tsim muaj: yooj yim thaum dai, tuaj yeem ua pwm nyob rau ib zaug, thiab muaj cov yas.
5. Zoo heev Dej Tuav Haujlwm: Ua haujlwm ntev lub sijhawm ntawm Gypsum Base, txhim kho cov huab cua ua haujlwm, thiab txo cov av tshauv.
6. Kev sib xyaw muaj zog: nws haum rau txhua hom Gypsum Base, txo lub tshuab ziab, thiab phab ntsa saum npoo av tsis yooj yim rau hollow thiab tawg.
Daim Ntawv Thov ntawm Interface Tus Neeg Sawv Cev
HydroxypropenCellulose (HPMC) thiab hydroxyethylmethylcellulose (HEMC) tau siv dav siv cov ntaub ntawv hauv tsev,
Thaum thov raws li tus neeg sawv cev sib cuam tshuam rau phab ntsa sab hauv thiab sab nraud, nws muaj cov yam ntxwv hauv qab no:
-Txhua nyiaj sib xyaw tsis muaj pob:
Los ntawm kev sib xyaw nrog dej, qhov kev sib txhuam thaum lub sijhawm ua kom qhuav yog txo qis, ua kev sib xyaw kom yooj yim dua;
- Dej zoo khaws cia:
Tseem ceeb txo cov dej noo nqus los ntawm phab ntsa. Cov dej zoo khaws cia tuaj yeem ua rau lub sijhawm ua haujlwm ntev ntawm cov xis mas, nws kuj tuaj yeem txhuam cov neeg ua haujlwm tuaj yeem txhuam ntawm phab ntsa uas muaj ntau zaus;
- Ua haujlwm ruaj khov:
Dej zoo khaws cia hauv kev kub siab ib puag ncig, tsim nyog rau kev ua haujlwm nyob rau lub caij ntuj sov lossis kub.
- Cov dej ntws ntau ntxiv:
Tseem ceeb tsub nce cov dej thov ntawm putty cov khoom. Nws nce lub sijhawm kev pabcuam ntawm lub sijhawm muab tso rau ntawm phab ntsa, ntawm qhov tod tes, nws tuaj yeem nce cov txheej txheej ntawm cov zaub mov thiab ua rau cov mis ntxiv ua lag luam.
Daim Ntawv Thov hauv Gypsum
Tam sim no, feem ntau cov gypsum feem ntau yog plastering gypsum, sib khi gypsum, inlaid gypsum, thiab pobzeb nplaum.
Gypsum plaster yog lub tshuab pleev zoo plastering rau sab hauv phab ntsa thiab qab nthab. Phab ntsa saum npoo Plastered nrog nws yog qhov zoo thiab du, tsis poob zoo rau lub hauv paus, tsis muaj kev tawg thiab poob tawm, thiab muaj lub fireproof muaj nuj nqi;
Adhesive Gypsum yog hom adhesive tshiab rau kev tsim lub teeb taws teeb. Nws yog ua los ntawm gypsum raws li cov khoom siv hauv paus thiab ntau yam kev sib ntxiv.
Nws yog qhov haum rau txoj kev sib khi ntawm ntau cov khoom siv phab ntsa hauv tsev. Nws muaj cov yam ntxwv ntawm cov tsis muaj tshuaj lom, tsis muaj zog, lub zog thaum ntxov thiab nrawm, thiab kev sib koom ua ke. Nws yog ib qho khoom siv txhawb nqa rau kev tsim cov laug cam thiab kev tsim kho;
Gypsum caulk yog qhov sib txawv ntawm cov tub lim ntawm gypsum laug cam thiab kho cov muab rau cov phab ntsa thiab cov kab nrib pleb.
Cov khoom lag luam gypsum no muaj cov lus sib txawv ntawm cov haujlwm sib txawv. Ntxiv nrog rau lub luag haujlwm ntawm Gypsum thiab lwm cov fillers, qhov teeb meem tseem ceeb yog tias cov cellulose ntxiv ether additive ua lub luag haujlwm. Vim tias Gypsum tau muab faib ua cov khoom lag luam hauv pob zeb Gypsum thiab Hemihydrate, dej sib txawv, rov qab txiav txim siab qhov zoo ntawm gypsum cov ntaub ntawv hauv tsev. Cov teeb meem tshwm sim ntawm cov ntaub ntawv no yog hollowing thiab tawg, thiab thawj lub zog tsis tuaj yeem hu tau. Txhawm rau kom daws tau qhov teeb meem no, nws yog xaiv cov hom cellulose thiab cov qauv siv hloov tshiab ntawm Retarder. Hauv qhov no, methyl lossis hydroxypropyl pthyl 30000 feem ntau xaiv. -60000CPS, qhov nyiaj ntxiv yog nruab nrab ntawm 1.5 ‰ -2 ‰, lub cellulose feem ntau yog siv rau kev tuav dej thiab rov qab siv lubrication.
Txawm li cas los xij, nws tsis yooj yim sua kom cia siab rau ntawm cellulose ether raws li ib tug retarder, thiab nws yog qhov tsim nyog los sib tov thiab siv yam tsis cuam tshuam rau thawj lub zog.
Dej khaws cia feem ntau yog hais txog ntau npaum li cas dej yuav ploj mus ib txwm tsis muaj dej nqus dej. Yog tias lub phab ntsa qhuav dhau, kev nqus dej thiab ntuj evaporation rau ntawm cov khoom ntom ntom ntom ntom ntom ntom nrawm, thiab hollowing thiab tawg yuav tshwm sim.
Hom no ntawm kev siv yog tov nrog hmoov qhuav. Yog tias koj npaj kev daws teeb meem, thov saib txoj kev npaj ntawm kev daws teeb meem.
Daim ntawv thov hauv looj xim
Nyob rau hauv lub latex xim kev lag luam, hydroxyethyl cellulose yuav tsum tau xaiv. Qhov Kev Tshwj Xeeb Ntawm Nruab Nrab Viscosity yog 30000-50000CPS, uas sib haum rau kev ua kom paub kev cai ntawm HBR250. Qhov kev siv tshuaj ntsuam xyuas feem ntau yog li 1.5 ‰ -2 ‰. Lub ntsiab muaj nuj nqi ntawm hydroxyethyl hauv looj xim yog txhawm rau txhawm rau txhawm rau cov xim ntawm cov khoom siv, thiab nce cov kab mob viscing ntawm kev tsim kho.
Lub Sijhawm Post: Feb-14-2025