Putty hmoov yog cov khoom siv siv hauv tsev, feem ntau yog siv rau phab ntsa theem, txhaws cov kab nrib pleb thiab muab cov npoo du rau tom qab pleev xim thiab kho kom zoo nkauj. Cellulose ether yog ib qho ntawm cov khoom tseem ceeb hauv cov hmoov putty, uas tuaj yeem txhim kho kev tsim kho thiab zoo ntawm cov hmoov putty. Kab lus no yuav ua kom paub meej txog daim ntawv thov tshwj xeeb ntawm cellulose ethers hauv putty hmoov thiab nws qhov tseem ceeb rau kev tsim kho kev lag luam.
1. Cov khoom tseem ceeb thiab kev ua haujlwm ntawm cellulose ethers
Cellulose ether yog ib hom dej-soluble polymer compound tau los ntawm kev hloov kho tshuaj siv cov cellulose ntuj ua raw khoom. Nws cov qauv molecular muaj ntau pawg hydrophilic (xws li hydroxyl, methoxy, thiab lwm yam), uas muab cellulose ether zoo dej solubility thiab thickening peev xwm. Nyob rau hauv daim ntawv thov ntawm putty hmoov, lub luag hauj lwm tseem ceeb ntawm cellulose ether yog feem ntau tshwm sim nyob rau hauv cov nram qab no yam:
Thickening nyhuv
Cellulose ether tuaj yeem ua kom cov viscosity ntawm putty hmoov slurry, ua rau nws muaj thixotropy zoo thiab ruaj khov, yog li yooj yim rau kev tsim kho. Tsis tas li ntawd, nws tseem tuaj yeem kho cov khoom rheological ntawm slurry los tiv thaiv cov hmoov putty los ntawm ntws los yog zawv zawg tawm ntawm phab ntsa, kom ntseeg tau tias kev txhim kho du ntawm kev tsim kho.
Kev tuav dej
Kev tuav dej siab ntawm cellulose ether yog ib qho ntawm nws cov yam ntxwv tseem ceeb thaum siv cov hmoov putty. Thaum lub sij hawm tsim kho, tom qab cov hmoov putty yog siv rau phab ntsa, cov evaporation ntawm cov dej yuav ua rau cov hmoov putty qhuav tawm thiab tev. Cellulose ether tuaj yeem ncua kev poob dej, ua rau cov slurry maj mam tso dej thaum lub sij hawm ziab, yog li txhim kho cov adhesion ntawm putty, tsis txhob ziab thiab tawg, thiab xyuas kom meej smoothness ntawm phab ntsa nto.
Txhim kho kev ua haujlwm
Lub xub ntiag ntawm cellulose ether ho txhim kho kev tsim kho ntawm putty hmoov. Piv txwv li, nws tuaj yeem txhim kho qhov yooj yim ntawm putty, ua kom yooj yim rau cov neeg ua haujlwm tsim kho kom khawb lub putty sib npaug. Tsis tas li ntawd, cellulose ether kuj tseem tuaj yeem txo qhov tsim ntawm npuas ntawm lub ntsej muag putty thiab txhim kho qhov smoothness, yog li txhim kho cov nyhuv zoo nkauj.
Ntxiv sijhawm qhib
Nyob rau hauv kev tsim kho, lub sij hawm qhib ntawm putty hmoov, uas yog, lub sij hawm los ntawm daim ntawv thov kom qhuav thiab solidification ntawm cov khoom, yog ib qho tseem ceeb parameter uas cov neeg ua hauj lwm saib xyuas. Cellulose ether tuaj yeem txuas ntxiv lub sijhawm qhib ntawm putty, txo cov pob qij txha thiab qhov tsis sib xws thaum tsim kho, yog li txhim kho qhov zoo nkauj tag nrho ntawm phab ntsa.
2. Daim ntawv thov ntawm cellulose ether nyob rau hauv sib txawv scenarios ntawm putty hmoov
Sab hauv phab ntsa putty
Nyob rau hauv daim ntawv thov ntawm sab hauv phab ntsa putty, cellulose ether tsis tsuas yog txhim kho lub workability, tab sis kuj yuav kho cov fluidity thiab adhesion ntawm lub putty kom lub smoothness thiab adhesion ntawm phab ntsa nto. Tsis tas li ntawd, cov dej khaws cia siab ntawm cellulose ether tuaj yeem tiv thaiv cov putty los ntawm kev tawg vim cov dej nrawm nrawm thaum lub sijhawm ua ntawv thov, thiab tsim nyog rau kev ruaj ntseg mus sij hawm ntev hauv qhov chaw qhuav hauv tsev.
Sab nrauv phab ntsa putty
Sab nrauv phab ntsa putty yuav tsum muaj zog tiv thaiv huab cua thiab tawg tsis kam, vim hais tias cov phab ntsa sab nrauv yuav raug cuam tshuam los ntawm huab cua, qhov kub thiab txias thiab lwm yam. Daim ntawv thov ntawm cellulose ether nyob rau sab nrauv phab ntsa putty tuaj yeem txhim kho nws cov dej tuav, tawg tiv thaiv thiab adhesion, tso cai rau nws hloov mus rau kev hloov pauv hauv ib puag ncig sab nraud thiab txuas ntxiv nws lub neej kev pab cuam. Tsis tas li ntawd, cellulose ether tseem tuaj yeem pab cov putty txhim kho nws cov UV tiv thaiv, khov-thaw tsis kam thiab lwm yam khoom, kom cov phab ntsa sab nrauv tuaj yeem ua kom lub cev ruaj khov nyob rau sab nraum zoov.
waterproof ntaub
Waterproof putty yog tsim rau high-humidity ib puag ncig xws li chav dej thiab chav ua noj, thiab yuav tsum tau siab waterproofness thiab dej tsis kam ntawm putty. Cellulose ether tuaj yeem txhim kho cov dej tsis zoo ntawm lub putty los ntawm kev ua kom nws cov adhesion zoo thiab ua haujlwm tau zoo. Tsis tas li ntawd, cov thickening thiab dej-retaining teebmeem ntawm cellulose ether pab waterproof putty kom muaj kev ruaj ntseg zoo nyob rau hauv ib puag ncig nrog high humidity thiab zam mildew teeb meem ntawm phab ntsa.
High-end kho kom zoo nkauj putty
High-end hniav putty muaj qhov yuav tsum tau muaj siab heev rau flatness thiab fineness, thiab feem ntau yog siv nyob rau hauv high-end tsev, tsev so thiab lwm qhov chaw. Cellulose ether tuaj yeem pab txhim kho cov khoom ntawm putty, txhim kho qhov smoothness, txhim kho qhov yooj thiab ua haujlwm ntawm putty, txo cov npuas thiab seams, ua kom cov nyhuv kho kom zoo nkauj dua, thiab ua tau raws li cov kev xav tau ntawm cov khoom siv high-end.
3. Kev xaiv ntawm cellulose ether hauv putty hmoov
Raws li daim ntawv thov xav tau thiab kev ua tau zoo sib txawv ntawm cov hmoov putty, cov hauv qab no cellulose ethers feem ntau siv hauv kev tsim kho kev lag luam:
Hydroxypropyl methylcellulose (HPMC)
HPMC yog ib qho kev siv ntau ntxiv nrog kev tuav dej zoo thiab ua kom tuab. Nws yog dav siv hauv cov khoom siv hauv tsev xws li sab hauv thiab sab nrauv phab ntsa putty, pobzeb adhesives, thiab plastering mortars. Nws tuaj yeem txhim kho lub sag tsis kam thiab ua haujlwm ntawm cov hmoov putty, thiab tshwj xeeb tshaj yog haum rau cov kev xav tau ntawm high-viscosity putty.
Hydroxyethylmethylcellulose (HEMC)
HEMC muaj cov dej tuav tau zoo thiab ruaj khov, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias ib puag ncig, thiab tseem tuaj yeem tswj tau zoo solubility, yog li nws tsim nyog siv rau sab nrauv phab ntsa putty. Tsis tas li ntawd, HEMC muaj cov txiaj ntsig zoo heev rau kev txhim kho cov dispersion thiab uniformity ntawm putty hmoov, ua rau saum npoo smoother thiab smoother tom qab txheej.
Carboxymethyl cellulose (CMC)
CMC yog dej-soluble thickener. Txawm hais tias nws muaj kev tuav dej tsawg thiab tiv thaiv sag, nws cov nqi qis. Nws yog feem ntau siv hauv cov hmoov putty uas tsis tas yuav tsum tau muaj dej tuav thiab tsim nyog rau kev siv sab hauv phab ntsa putty.
4. Kev zeem muag thiab cov qauv ntawm cellulose ethers hauv kev lag luam putty hmoov
Nrog kev txhim kho txuas ntxiv ntawm kev tsim kho kev lag luam, tib neeg cov kev xav tau rau qhov zoo, kev tiv thaiv ib puag ncig thiab kev zoo nkauj ntawm cov khoom siv kho kom zoo nkauj tau maj mam nce, thiab daim ntawv thov kev cia siab ntawm cellulose ethers tau dhau los ua qhov dav. Hauv kev txhim kho yav tom ntej ntawm kev lag luam putty hmoov, daim ntawv thov ntawm cellulose ether yuav tsom rau cov hauv qab no:
Ntsuab thiab environmentally friendly
Tam sim no, ib puag ncig tus phooj ywg cov ntaub ntawv hauv tsev yog lub ntsiab lus kub hauv kev tsim kho kev lag luam. Raws li cov khoom siv polymer muab los ntawm cov cellulose ntuj, cellulose ether ua raws li lub tswv yim ntawm kev tiv thaiv ib puag ncig ntsuab thiab tuaj yeem txo qis kev ua qias tuaj. Nyob rau hauv lub neej yav tom ntej, ntau low-VOC (volatile organic compounds) thiab high-performance cellulose ether cov khoom yuav raug tsim thiab siv.
Ua tau zoo thiab txawj ntse
Kev txhim kho tas mus li ntawm cellulose ether ua rau cov hmoov putty kom ruaj khov kev ua haujlwm hauv qhov chaw nyuaj. Piv txwv li, los ntawm cov qauv molecular optimization thiab ntxiv cov additives, putty hmoov muaj zog adaptability thiab nws tus kheej-kho cov khoom, ua lub tsev cov ntaub ntawv ntau ntse thiab npaum.
Ntau yam
Thaum txhim kho cov khoom tseem ceeb ntawm cov hmoov putty, cellulose ethers kuj tuaj yeem ua cov hmoov putty muaj cov haujlwm ntxiv xws li tshuaj tua kab mob, tiv thaiv kab mob, thiab tiv thaiv UV kom tau raws li qhov xav tau ntawm daim ntawv thov tshwj xeeb.
Daim ntawv thov ntawm cellulose ether nyob rau hauv putty hmoov tsis tsuas yog optimizes kev tsim kho kev ua tau zoo thiab durability ntawm putty hmoov, tab sis kuj zoo heev txhim kho cov nyhuv ntawm phab ntsa kho kom zoo nkauj, ua tau raws li qhov yuav tsum tau ntawm niaj hnub architecture rau phab ntsa flatness, smoothness thiab durability. . Nrog rau kev txhim kho txuas ntxiv ntawm kev tsim kho kev lag luam, daim ntawv thov ntawm cellulose ethers hauv putty hmoov yuav dhau los ua ntau thiab ntau dua, thawb cov khoom siv kho kom zoo nkauj rau kev ua haujlwm siab thiab kev tiv thaiv ib puag ncig.
Post lub sij hawm: Nov-01-2024