Hydroxypropyl methylcellulose (HPMC) yog ntau yam cellulose derivative siv dav hauv kev tsim kho kev lag luam vim nws cov khoom siv tshuaj lom neeg tshwj xeeb. Cov dej-soluble polymer no yog tsim los ntawm kev hloov kho cellulose nrog methyl thiab hydroxypropyl pawg. HPMC muab ntau yam txiaj ntsig zoo rau cov ntaub ntawv tsim kho, ua rau nws yog ib qho tseem ceeb ntxiv rau ntau yam kev tsim kho.
1. Pobzeb Adhesives thiab Grouts
Kev tuav dej: Ib qho ntawm cov kev siv tseem ceeb ntawm HPMC hauv cov nplais nplaum thiab cov nplaum yog nws cov dej tuav tau zoo heev. Cov cuab yeej no ua kom cov dej siv hauv cov nplaum los yog cov khoom sib tov tsis evaporate sai heev, tso cai rau lub sijhawm txaus rau kev kho thiab teeb tsa. Kev tuav dej kom zoo tiv thaiv kom qhuav ntxov ntxov thiab tawg, ua rau muaj zog thiab ruaj khov dua.
Ua haujlwm tau zoo: HPMC txhim khu kev ua haujlwm ntawm cov nplais nplaum, ua kom yooj yim rau kev sib kis thiab siv. Nws muab kev sib luag du thiab tiv thaiv kev sib tov los ntawm kev nruj dhau, ua kom yooj yim rau qhov chaw ntawm cov vuas.
Lub Sijhawm Qhib: Qhov sib ntxiv ntawm HPMC ncua lub sijhawm qhib ntawm cov nplais nplaum, muab cov neeg ua haujlwm hloov tau yooj yim thiab sijhawm los kho cov vuas ua ntej cov nplaum nplaum. Qhov no yog qhov tseem ceeb tshwj xeeb hauv cov phiaj xwm loj loj uas qhov kev txiav txim siab thiab lub sijhawm tseem ceeb.
2. Cement Plaster thiab mortars
Txhim Kho Kev Ua Haujlwm Zoo: HPMC feem ntau ntxiv rau cov cement plasters thiab mortars los txhim kho lawv txoj haujlwm. Nws muab cov creamy thiab cohesive zoo nkauj, uas ua rau daim ntawv thov smoother thiab ntau npaum.
Enhanced Adhesion: Los ntawm kev hloov kho cov khoom rheological ntawm cov khoom sib xyaw, HPMC txhim kho cov adhesion ntawm plaster thiab mortar rau ntau yam substrates, kom ntseeg tau tias muaj kev ruaj khov thiab ntev.
Crack Resistance: Cov dej tuav cov khoom ntawm HPMC pab txo qhov tshwm sim ntawm cov kab nrib pleb los ntawm kev tso cai kom qhuav thiab kho. Qhov no txhim khu lub zuag qhia tag nrho durability thiab tsos ntawm plastered nto.
Sag Resistance: HPMC imparts sag resistance rau ntsug daim ntaub ntawv ntawm plaster thiab mortar, tiv thaiv cov khoom los ntawm slipping los yog zawv zawg tawm ntawm phab ntsa, yog li xyuas kom meej uniform thickness thiab kev pab them nqi.
3. Tus kheej-Leveling Compounds
Flowability: Nyob rau hauv tus kheej-leveling compounds, HPMC plays lub luag haujlwm tseem ceeb hauv kev txhim kho flowability thiab leveling zog. Nws xyuas kom meej tias qhov sib xyaw ua ke sib npaug thoob plaws qhov chaw, sau tag nrho cov khoob thiab qhov tsis sib xws los tsim kom muaj kev sib tw thiab qib tiav.
viscosity Control: HPMC pab tswj cov viscosity ntawm tus kheej-leveling tebchaw, kom ntseeg tau tias lawv tsis dhau dej los yog tuab heev. Qhov kev sib npaug no yog qhov tseem ceeb rau kev ua tiav qhov kev xav tau ntawm tus kheej qib uas tsis muaj kev cuam tshuam rau kev ruaj ntseg thiab lub zog.
4. Sab nrauv rwb thaiv tsev thiab Finishing Systems (EIFS)
Bonding Strength: HPMC yog siv rau hauv EIFS daim ntawv thov los txhim kho lub zog ntawm cov nplaum nplaum thiab lub hauv paus. Nws xyuas kom meej tias cov rwb thaiv tsev vaj huam sib luag ua raws li cov substrate, muab kev ruaj ntseg mus ntev.
Flexibility: Qhov sib ntxiv ntawm HPMC txhim kho qhov yooj yim thiab cuam tshuam ntawm EIFS system, tso cai rau nws kom zoo dua tiv thaiv ib puag ncig kev ntxhov siab xws li kub hloov pauv thiab cuam tshuam rau txhua yam.
5. Cov khoom siv gypsum
Teem Lub Sijhawm Tswjhwm: Hauv gypsum plasters thiab cov khoom sib koom ua ke, HPMC ua raws li kev ua haujlwm tsis zoo, tswj lub sijhawm teeb tsa thiab tso cai rau lub sijhawm ua haujlwm txaus. Qhov no yog qhov tseem ceeb heev rau kev ua tiav kev ua tiav du thiab flawless.
Txhim Kho Kev Ua Haujlwm Zoo: HPMC txhim kho kev sib kis thiab ua haujlwm ntawm cov khoom siv gypsum, ua kom yooj yim rau kev thov thiab ua tiav.
Kev tuav dej: Zoo ib yam li nws lub luag haujlwm hauv cov khoom siv cement, HPMC txhim kho cov dej tuav hauv gypsum plasters, ua kom muaj kev kho kom zoo thiab tiv thaiv kom qhuav ntxov ntxov.
6. Rendering mortars
Durability: Rendering mortars tau txais txiaj ntsig los ntawm kev suav nrog HPMC vim nws muaj peev xwm txhim kho adhesion thiab cohesion. Qhov no ua rau kom ruaj khov thiab huab cua-resistant sab nrauv tiav.
Daim Ntawv Thov Yooj Yim: HPMC muab rendering mortars nrog kev ua haujlwm sib xws, ua kom yooj yim rau kev thov thiab ua kom tiav.
7. Adhesives rau cov ntaub ntawv rwb thaiv tsev
Thermal rwb thaiv tsev: HPMC-raws li nplaum nplaum yog siv los khi cov ntaub ntawv rwb thaiv tsev xws li nthuav polystyrene (EPS) thiab extruded polystyrene (XPS) rau ntau yam substrates. Nws ua kom muaj kev sib raug zoo thiab ua kom muaj kev ncaj ncees ntawm cov txheej txheem rwb thaiv tsev.
Kev Tiv Thaiv Hluav Taws Xob: Qee cov qauv ntawm HPMC tuaj yeem txhim kho qhov hluav taws kub ntawm cov nplaum, ua rau muaj kev nyab xeeb tag nrho ntawm kev tsim kho.
8. Pob zeb kho mortars
Txhim kho Bonding: Hauv cov pob zeb kho pob zeb, HPMC txhim kho qhov adhesion ntawm cov khoom siv kho kom zoo rau cov pob zeb uas twb muaj lawm, ua kom muaj kev kho kom ruaj khov thiab ruaj khov.
Shrinkage Reduction: Los ntawm kev tuav cov dej thiab tswj cov txheej txheem kho, HPMC pab txo qis cov kab nrib pleb, uas yog ib qho tseem ceeb rau kev kho lub neej ntev.
9. Txau cov txheej txheem thiab cov xim
Kev ruaj ntseg: HPMC stabilizes sprayable coatings thiab pleev xim rau, tiv thaiv cov khoom xyaw los ntawm kev sib cais thiab xyuas kom meej ib tug uniform daim ntawv thov.
Zaj duab xis tsim: Nws txhim kho cov khoom tsim cov yeeb yaj kiab, ua rau kom du thiab zoo ib yam ua tiav.
Thickening Agent: HPMC ua raws li tus neeg sawv cev thickening, muab qhov tsim nyog viscosity rau kev siv tshuaj tsuag thiab tiv thaiv sagging lossis khiav.
10. Kev siv lwm yam
Bonding Agent nyob rau hauv Fiberglass thiab Paper Products: HPMC yog siv los ua tus neeg sawv cev hauv kev tsim cov khoom siv fiberglass thiab ntawv, txhim kho lawv lub zog thiab yoog raws.
Anti-sagging Agent nyob rau hauv Heavy-duty Coatings: Nyob rau hauv hnyav-duty coatings, HPMC tiv thaiv sagging thiab txhim kho daim ntawv thov zog.
Hydroxypropyl methylcellulose (HPMC) yog cov khoom siv ntau yam ntxiv uas ua rau muaj txiaj ntsig zoo ntawm ntau yam khoom siv. Nws lub peev xwm los txhim kho cov dej tuav, kev ua haujlwm, adhesion, thiab durability ua rau nws yog ib qho tseem ceeb ntawm kev tsim kho niaj hnub no. Los ntawm cov pobzeb nplaum thiab cov cement plasters mus rau tus kheej-leveling compounds thiab cov txheej txheem rwb thaiv tsev sab nraud, HPMC plays lub luag haujlwm tseem ceeb hauv kev ua kom zoo, ua haujlwm zoo, thiab ua haujlwm ntev ntawm kev tsim kho. Raws li kev tsim kho thev naus laus zis tau nce zuj zus, cov ntawv thov thiab cov qauv tsim ntawm HPMC zoo li yuav nthuav dav ntxiv, txuas ntxiv mus rau kev txhim kho cov khoom siv hauv tsev muaj zog thiab muaj zog.
Post lub sij hawm: May-28-2024