HydroxyPropyyl Metylcellulose (HPMC) hauv Drymix Cug Adalitives
1. Pib
Drymix mortars yog cov tseem ceeb ntawm kev tsim kho hauv kev tsim kho niaj hnub no, muab kev yooj yim, muaj kev kub ntxhov, thiab muaj xwm yeem.HydroxyPropyyl Methylcellulose(HPMC) yog ib qho tseem ceeb ntxiv uas ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua tau zoo thiab cov khoom ntawm cov ziab khaub ncaws. Qhov kev qhia dav dav no tshawb nrhiav lub luag haujlwm ntawm HPMC hauv Drymix mortars, suav nrog nws cov tshuaj lom neeg, thiab cov txiaj ntsig nws coj mus rau ntau yam kev siv.
2. Dab tsi yog hydroxypropyl methylcellose (HPMC)?
2.1. Cov Qauv Tshuaj
HPMC yog ib nrab hluavtaws polymer muab tau los ntawm cellulose. Nws yog synthesized los ntawm kev hloov kho ntawm cellulose nrog cov tshuaj pleev kom loj thiab cov methyl chloride. Qhov tshwm sim yog lub cellulose ether nrog hydroxypropyl thiab mexoxy cov pab pawg txuas nrog lub cellulose caj qaum. Cov qib degree hloov pauv (DS) ntawm cov pawg yuav txawv, ua rau cov qib kawm sib txawv ntawm HPMC.
2.2. Cov Khoom Siv
HPMC cov khoom pov thawj muaj ntau cov khoom tseem ceeb uas ua kom haum rau kev siv hauv Drymix mortars:
- Dej-solubility: hpmc yws hauv dej, sib sau ua ib qho ruaj khov, daws teeb meem.
- Kev tuav dej: Nws muaj lub peev xwm siab los khaws dej, kom muaj kev sib zog ua kom dej ntawm cov xis.
- Zaj duab xis-tsim: HPMC tuaj yeem ua ib zaj duab xis nyias, hloov tau yooj yim rau saum npoo ntawm cug cais, txhim kho adhesion.
- Rheology hloov kho: nws cuam tshuam kev ntws thiab ua haujlwm ntawm mortars.
- Chaw tswj: HPMC tuaj yeem txuas lossis tswj lub sijhawm teeb tsa ntawm kev nplua nuj.
3. Lub luag haujlwm ntawm HPMC hauv Drymix mortars
3.1. Dej ceev
Ib qho ntawm cov haujlwm tseem ceeb ntawm HPMC hauv Drymix mortars yog dej khaws cia. Nws tiv thaiv ceev ceev dej los ntawm lub tshuaj khib sib xyaw, ua kom muaj cov dej noo txaus rau cov kev dej ntawm cov Maasal ntawm Maas hais. Cov cuab yeej no yog tshwj xeeb tshaj nyob rau hauv kub thiab qhuav kev mob, qhov twg ua kom qhuav ua kom qhuav tuaj yeem ua rau txo qis zog thiab cov nplaum.
3.2. Txhim Kho Kev Ua Haujlwm
HPMC txhim kho kev ua haujlwm ntawm cov neeg nplua nuj los ntawm kev kho lawv cov khoom siv hluav taws xob. Nws ua raws li tus neeg sawv cev tuab tuab, tso cai rau kev tswj hwm zoo dua thiab txo qis sizging. Qhov kev ua tau zoo no hauv kev thov kom yooj yim dua thiab cov ntawv ua tiav smoother hauv cov ntawv thov zoo li plaster thiab kev lag luam tsis zoo.
3.3. Chaw tswj hwm
HPMC tuaj yeem siv los tswj lub sijhawm teeb tsa lub sijhawm ntawm kev nplua nuj. Los ntawm kev ua tib zoo kho cov hom thiab cov nyiaj HPMC, cov tuam txhab tsim tawm tuaj yeem tsim kho cov yam ntxwv ntawm cov phiaj xwm tshwj xeeb. Qhov no muaj txiaj ntsig tshwj xeeb hauv cov ntawv thov uas ncua sij hawm muaj txiaj ntsig zoo.
4. Hom thiab qib ntawm HPMC
HPMC muaj nyob rau hauv ntau hom ntawm hom thiab qib, txhua tus tsim rau cov ntawv thov tshwj xeeb thiab kev ua tau zoo. Qee hom hom muaj xws li:
- Li qub HPMC
- High-viscosity HPMC
- Qis-viscosity HPMC
- Hloov kho HPMC nrog Retarder Khoom
- Cov qhab nia tshwj xeeb tshwj xeeb rau cov vuas cov khoom nplaum
Cov kev xaiv ntawm hom uas tsim nyog thiab qib yog nyob ntawm cov yam ntxwv xws li cov dej num kom muaj zog, thiab tswj lub sij hawm tswj hwm cov ntawv thov qhuav qhuav.
5. Tsim thiab daim ntawv thov ntawm Drymix mortars nrog HPMC
5.1. Masonry Cug
Hauv Masonry colle, hpmc kom zoo ua kom muaj dej zoo, tso cai rau kev ua haujlwm tau zoo thaum ntawv thov. Nws tseem yuav ua rau txhawm rau txhim kho cov nplaum ntawm cov cib lossis cov blocks thiab txhim kho kev ua tau zoo ntawm lub tshuaj khib.
5.2. Cov nplaum nplaum
Pobzeb Adhesives Tau txais txiaj ntsig los ntawm HPMC cov dej khaws cia thiab cov khoom siv nplaum. Nws txhim kho cov nplaum ua kom muaj zog thiab ua haujlwm ntawm cug, ua rau nws haum rau ntau cov ntaub ntawv pobzeb, suav nrog pem teb thiab phab ntsa phab ntsa.
5.3. Kua txiv kab ntxwv
HPMC ua si lub luag hauj lwm tseem ceeb hauv cov tshuaj khib los ntawm kev txhim kho kev ua haujlwm thiab dej khaws cia. Nws tshwm sim hauv kev ua tiav smoother thiab txo qis qis ntawm cov cracking, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov ntsug.
5.4. CUG SELFLING CUG
Kev siv HPMs siv HPMC los tswj hwm cov khoom lag luam txaus thiab txuas lub sijhawm. Qhov no ua kom pom tseeb qib thiab du nto nyob rau hauv cov ntawv thov xws li theem hauv pem teb, txawm tias tsis xwm yeem substrates.
5.5. Grouts
HPMC pab cov grouts tswj lawv cov xwm txheej thiab lub cev thaum thov. Nws tseem ua rau muaj lub zog thiab cov pob qij txha ua kom ruaj khov ntawm cov pobzeb thiab Masonry cov ntawv thov.
5.6. Lwm Cov Ntawv Thov
HPMC yog siv hauv ntau lwm cov ntawv thov plinifars, cov kev lag luam durrars, cov qauv kev nplua nuj tsim rau cov kev xav tau kev tsim kho.
6. Cov txiaj ntsig ntawm kev siv HPMC
6.1. Txhim kho kev ua tau zoo
Qhov sib ntxiv ntawm HPMC tseem ceeb txhim kho kev ua tau zoo ntawm Drymix mortars. Nws ua kom muaj zog ua kom cov dej ua haujlwm, ua haujlwm zoo, thiab kev teeb tsa tswj, ua rau cov txiaj ntsig ruaj khov thiab zoo siv tau zoo.
6.2. Muaj zog
HPMC pab txo cov khib nyiab thiab ua haujlwm hauv kev tsim kho cov dej num los ntawm kev txhim kho kev tshuaj khib. Nws tseem tso cai rau kev siv cov khoom siv ntawm cov khoom siv tau zoo ntxiv, txo qhov cuam tshuam ib puag ncig.
6.3. Tus Nqi Muaj Zog
Los ntawm kev txhim kho kev ua haujlwm thiab txo qhov kev xav tau rau dej ntau dhau, HPMC ua rau muaj kev txuag nqi hauv txoj haujlwm kev tsim kho. Nws txhim kho qhov ua tau zoo tag nrho ntawm kev muab tshuaj cug daim ntawv thov, ua kom txo cov zog thiab cov nqi khoom.
7. Cov kev sib tw thiab kev txiav txim siab
7.1. Noj tshuaj thiab kev sib raug zoo
Qhov ntau npaum ntawm HPMC yog nyob ntawm seb cov ntaub ntawv tshwj xeeb thiab cov khoom xav tau. Kev sib xyaw nrog lwm cov khoom ntxiv thiab cov ntaub ntawv yuav tsum tau ua tib zoo ntsuas kom ntseeg tau tias kev ua tau zoo tshaj plaws.
7.2. Cia thiab tuav
Kev khaws cia zoo thiab tuav ntawm HPMC yog qhov tseem ceeb los tswj nws cov hauj lwm zoo. Nws yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav thiab tiv thaiv los ntawm noo noo.
8. Tswjhwm thiab kuaj xyuas
8.1. Xwm yeem thiab qauv
Cov chaw tsim khoom ntawm Drymix mortars yuav tsum tsim cov txheej txheem tswj hwm zoo los ua kom muaj kev ua tau zoo ntawm HPMC raws li cov qauv. Cov qauv thiab kev xeem yog qhov tseem ceeb ua kom tiav cov txiaj ntsig tau zoo.
8.2. Kev Kuaj Xyuas
Kev sim ua haujlwm ntawm HPMC muaj kev nplua nuj, xws li kev ua haujlwm, dej ua haujlwm, yuav tsum tau ua kom muaj zog rau lawv cov kev tso tseg rau cov ntawv thov tshwj xeeb.
9. Ib puag ncig thiab kev tswj hwm
HPMC yog feem ntau suav hais tias muaj kev nyab xeeb rau kev siv hauv kev siv kev siv. Txawm li cas los xij, cov chaw tsim khoom yuav tsum ua raws li cov kev cai hauv zos thiab cov lus qhia kev nyab xeeb thaum tuav thiab pov tseg ntawm HPMC-muaj cov khoom lag luam.
10. Yav Tom Ntej Zoo thiab Kev Tsim Kho
Kev lag luam kev tsim kho yuav txuas ntxiv hloov zuj zus, thiab cov hauv yav tom ntej yuav pom cov qauv ntawm HPMC thiab kev txhim kho hauv Dustmix mortars.
11. Xaus
HydroxyPropyyl methylcellueculose (HPMC) yog qhov tseem ceeb ntxiv hauv Drymix mortars, kev tuav ua haujlwm, kom dej ua haujlwm, thiab kev teeb tsa tswj tau. Nws cov vagatility ua rau nws haum rau ntau yam ntawm kev siv kev thov siv, ua rau muaj kev tsim kho thiab ruaj khov ntawm kev tsim kho cov dej num. Kev ntsuas tshuaj kom zoo, kev sim tshuaj, thiab kev tswj hwm zoo yog qhov tseem ceeb kom ntseeg tau tias kev ua tiav HPMC hauv Drymix mortars.
12. Cov ntawv pov thawj
Daim ntawv qhia no muab cov ntsiab lus ntawm HPMC hauvqhuavMortars, nws cov khoom siv, cov txiaj ntsig, thiab kev txiav txim siab. Nws pabcuam ua cov khoom muaj txiaj ntsig zoo rau cov chaw tsim khoom, cov kws tshaj lij, thiab cov kws tshaj lij kev tsim kho cuam tshuam nrog HPMC hauv kev tsim kho cov ntawv thov.
Lub sijhawm Post: Nov-13-2023