Cellulose ethers thiab RDP (Redispersible Polymer Powder) yog cov khoom siv tseem ceeb hauv cov khoom siv niaj hnub no. Lawv txhim kho cov khoom ntawm cov cement, mortar thiab stucco los ntawm kev ua haujlwm ntxiv, adhesion, dej tuav thiab lub zog. Raws li tus neeg yuav khoom, koj tuaj yeem ntsib ntau yam teeb meem thaum yuav cov cellulose ethers thiab RDP. 14 cov lus qhia hauv qab no tuaj yeem pab koj txiav txim siab paub thiab tau txais cov khoom lag luam zoo ntawm tus nqi tsim nyog.
1. Paub koj daim ntawv thov
Ua ntej yuav cov cellulose ethers thiab RDP, koj yuav tsum paub tias hom twg thiab qib ntawm cov khoom tsim nyog rau koj daim ntawv thov tshwj xeeb. Piv txwv li, kev xaiv ntawm cellulose ether nyob ntawm qhov xav tau viscosity, kev ua haujlwm saum npoo thiab hydrophilicity ntawm cov cement system. Ib yam li ntawd, RDP tuaj yeem sib txawv hauv cov ntsiab lus polymer, iav hloov pauv kub (Tg), qhov loj me, thiab tshuaj lom neeg muaj pes tsawg leeg, cuam tshuam rau kev tsim cov yeeb yaj kiab, rov ua dua, plasticization, thiab cov khoom tiv thaiv sag.
2. Tshawb xyuas cov kev qhia tshwj xeeb
Txhawm rau kom ntseeg tau tias koj tau txais qhov tseeb cellulose ethers thiab RDP, koj yuav tsum xyuas cov lus qhia tshwj xeeb uas muab los ntawm cov chaw tsim khoom. Cov no yuav tsum suav nrog ntau yam xws li qhov hnyav molecular, qib ntawm kev hloov pauv, hloov qauv, cov ntsiab lus tshauv, pH, cov ntsiab lus noo noo thiab qhov ntom ntom. Daim ntawv teev cov ntaub ntawv tseem ceeb yuav tsum qhia txog kev siv nyiaj, sijhawm sib xyaw, sijhawm kho thiab khaws cia.
3. Yuav los ntawm cov neeg muag khoom txhim khu kev qha
Kev xaiv tus neeg muab khoom tsim nyog yog qhov tseem ceeb kom tau txais qhov zoo ib yam thiab muaj nuj nqis ntawm cellulose ethers thiab RDP. Nrhiav ib tus neeg muag khoom uas muaj lub koob npe zoo hauv kev ua lag luam, teb tam sim ntawd rau koj cov lus nug, thiab muaj txoj cai them nqi pob tshab. Koj tseem tuaj yeem thov cov qauv lossis mus ntsib lawv cov chaw tsim khoom los ntsuas lawv lub peev xwm hauv chav kuaj, khoom siv, thiab kev ntsuas kev tswj kom zoo.
4. Txheeb xyuas cov ntawv pov thawj thiab kev tswj hwm kev ua raws cai
Xyuas kom tus neeg muag khoom muaj tag nrho cov ntawv pov thawj tsim nyog thiab ua tau raws li kev cai tswj hwm hauv koj lub tebchaws lossis cheeb tsam. Piv txwv li, cellulose ethers yuav tsum tau ua raws li European lossis US Pharmacopoeia cov qauv rau kev siv tshuaj, thaum RDP yuav tsum ua raws li EN 12004 lossis ASTM C 1581 cov qauv rau kev tsim kho. Txheeb xyuas tias tus neeg muag khoom tau ntawv pov thawj ISO thiab nws cov khoom tau raug sim thiab pom zoo los ntawm lub koom haum thib peb sab nraud.
5. Xav txog kev siv nyiaj
Thaum nws yog ib qho tseem ceeb los nrhiav tus nqi pheej yig, koj yuav tsum tsis txhob txi qhov ua tau zoo thiab tsim nyog ntawm cellulose ethers thiab RDP rau koj daim ntawv thov. Kev yuav khoom pheej yig dua uas tsis zoo, muaj cov impurities, lossis ua tsis zoo tuaj yeem ua rau cov nqi nce ntxiv, ncua sijhawm, thiab cov neeg siv khoom tsis txaus siab. Yog li ntawd, tus nqi-zoo yog ntsuas los ntawm kev sib piv cov nqi-zoo, kev ntseeg siab, thiab kev sib raug zoo ntawm ntau yam khoom.
6. Ntsuas cov ntim thiab daim ntawv lo
Ntim thiab sau npe ntawm cellulose ethers thiab RDP yog qhov tseem ceeb los tiv thaiv kev puas tsuaj, kev sib kis lossis kev qhia tsis raug thaum thauj, khaws cia thiab siv. Nrhiav ib tus neeg muag khoom uas ntim cov khoom hauv cov khoom zoo, noo noo-resistant thiab ruaj khov ntim, xws li cov ntaub ntawv los yog hnab yas. Cov ntawv sau yuav tsum muaj cov ntaub ntawv xws li lub npe khoom, lub npe tsim khoom, tus lej batch, qhov hnyav, thiab ceeb toom kev nyab xeeb.
7. Kuaj compatibility thiab kev ua tau zoo
Txhawm rau kom ntseeg tau tias cellulose ethers thiab RDP tau sib haum nrog koj cov cement system thiab ua tau raws li koj cov kev xav tau, koj yuav tsum tau ua qee qhov kev sim ua ntej lossis kev sim. Cov no tuaj yeem suav nrog ntsuas qhov viscosity, teeb tsa lub sijhawm, compressive zog, tuav dej thiab adhesion ntawm cov cement mortar lossis stucco. Tus neeg xa khoom tuaj yeem tuaj yeem muab cov lus qhia txog cov txheej txheem xeem, ntsuas, thiab txhais cov txiaj ntsig.
8. Nkag siab txog qhov yuav tsum tau khaws cia thiab tuav
Cellulose ethers thiab RDP rhiab heev rau cov av noo, kub thiab raug rau huab cua, uas cuam tshuam rau lawv cov khoom thiab txee lub neej. Yog li ntawd, koj yuav tsum tau lis thiab khaws cov khoom raws li kev pom zoo los ntawm tus neeg muag khoom, xws li khaws cia rau hauv qhov chaw qhuav, txias, qhov cua kom deb ntawm tshav ntuj ncaj qha thiab kaw lub hnab tom qab siv. Thov ua raws li cov lus qhia kev nyab xeeb rau kev tuav cov hmoov thiab hnav cov iav tiv thaiv xws li lub qhov ncauj qhov ntswg, hnab looj tes, thiab tsom iav.
9. Xav txog kev cuam tshuam ib puag ncig
Cellulose ethers thiab RDP feem ntau suav hais tias muaj kev cuam tshuam ib puag ncig qis vim tias lawv yog biodegradable, tsis muaj tshuaj lom thiab muab tau los ntawm cov khoom siv txuas ntxiv. Txawm li cas los xij, koj tseem tuaj yeem xaiv cov khoom lag luam ntsuab los ntawm kev nrhiav cov uas tau lees paub los ntawm cov koom haum xws li Forest Stewardship Council (FSC), Green Seal, lossis Cov Thawj Coj hauv Zog thiab Environmental Design (LEED). Koj tseem tuaj yeem nug koj cov neeg muab khoom siv txog lawv cov phiaj xwm kev ruaj ntseg thiab kev siv zog los txo lawv cov pa roj carbon monoxide.
10. Ua kom zoo dua ib qho qauv
Txhawm rau kom tau txais txiaj ntsig zoo tshaj plaws los ntawm cellulose ethers thiab RDP, koj yuav tsum tau ua kom zoo dua qhov ntau npaum li cas thiab kev tsim ntawm koj cov cement system. Qhov no suav nrog kev kho cov proportions thiab hom khoom xyaw xws li dej, cement, xuab zeb, air-entraining agents, pigments los yog additives kom ua tau raws li qhov xav tau, sib xws, xim thiab durability. Cov neeg muag khoom tuaj yeem tuaj yeem muab kev txhawb nqa thiab cov lus qhia txog kev siv tshuaj thiab kev tsim nyog.
11. Npaj lub sijhawm xa khoom thiab xa khoom ua ntej
Kev yuav cov cellulose ethers thiab RDP xav tau kev npaj ua ntej rau lub sijhawm xa khoom, kev xa khoom thiab kev tswj cov khoom muag. Koj yuav tsum kwv yees koj tus nqi noj, xaj ua ntej, thiab sib koom cov sijhawm xa khoom thiab qhov chaw nrog koj cov neeg muag khoom. Xyuas kom koj tus neeg muag khoom muaj peev xwm thiab hloov tau yooj yim los tswj koj cov xaj, txawm tias lub sijhawm xav tau siab tshaj lossis thaum koj cov kev xav tau hloov pauv tsis tau xav txog.
12. Xaiv cov nqe lus them nqi thiab cov xwm txheej zoo
Cov nqe lus them nqi thiab cov xwm txheej yuav cuam tshuam rau koj qhov kev hloov pauv nyiaj txiag, kev pheej hmoo thiab kev lav phib xaub. Ua ntej muab ib qho kev txiav txim, thov tham txog txoj kev them nyiaj uas tsim nyog nrog tus neeg muag khoom, xws li xaim xaim, daim npav rho nyiaj, lossis daim ntawv qiv nyiaj. Kom meej meej pom zoo rau tus nqi, txiaj thiab them nyiaj hnub kawg. Tshawb xyuas seb puas muaj cov nqi ntxiv lossis cov se uas yuav tsum tau suav nrog hauv daim ntawv xa nyiaj.
13. Tswj kev sib raug zoo nrog cov neeg muag khoom
Kev tsim kom muaj kev sib raug zoo nrog cov neeg muag khoom tuaj yeem ua rau muaj txiaj ntsig ntev xws li lub sijhawm teb sai dua, kev sib txuas lus zoo dua thiab kev ntseeg siab. Koj tuaj yeem tswj hwm kev sib raug zoo los ntawm kev hwm, ncaj ncees, thiab kev tshaj lij hauv koj cov kev sib tham nrog cov neeg muag khoom. Muab cov lus tawm tswv yim txog cov khoom zoo thiab kev ua tau zoo, qhia koj cov kev paub dhau los thiab cov nyom, thiab qhia kev txaus siab rau lawv txoj kev siv zog.
14. Txhim kho koj txoj kev yuav khoom tsis tu ncua
Txhawm rau txhim kho koj cov cellulose ethers thiab RDP kev yuav khoom, koj yuav tsum tau txhim kho koj cov kev paub, kev txawj ntse thiab cov cuab yeej txuas ntxiv mus. Ua raws li cov txheej txheem thev naus laus zis tshiab, cov qauv kev lag luam thiab cov kev cai hloov tshiab. Koom nrog cov rooj sib tham hauv kev lag luam, kev sib tham thiab webinars rau kev sib txuas nrog lwm tus neeg yuav khoom thiab cov neeg muag khoom. Txhim kho cov khoom siv, taug qab thiab tshuaj xyuas ntawm cellulose ethers thiab RDP siv cov platforms thiab software.
Post lub sij hawm: Sep-15-2023