Cellulose siv dav hauv cov khoom siv rwb thaiv tsev thermal mortar masterbatch, hmoov putty, txoj kev asphalt, cov khoom gypsum thiab lwm yam lag luam. Nws muaj cov yam ntxwv ntawm kev txhim kho thiab ua kom zoo dua cov ntaub ntawv tsim kho, thiab txhim kho kev ruaj khov ntawm kev tsim khoom thiab kev tsim kho kom haum. Hnub no, kuv yuav qhia rau koj txog cov teeb meem uas tshwm sim los ntawm cellulose thaum siv hmoov putty.
(1) Tom qab cov hmoov putty sib xyaw nrog dej, qhov ntau nws tau do, qhov nyias dua nws ua.
Cellulose siv ua ib yam khoom ua kom tuab thiab khaws dej hauv cov hmoov putty. Vim yog thixotropy ntawm cellulose nws tus kheej, qhov ntxiv ntawm cellulose hauv cov hmoov putty kuj ua rau thixotropy tom qab sib xyaw cov putty nrog dej. Hom thixotropy no yog tshwm sim los ntawm kev puas tsuaj ntawm cov qauv sib xyaw ua ke ntawm cov khoom hauv cov hmoov putty. Cov qauv no tshwm sim thaum so thiab tawg ua tej daim me me thaum muaj kev ntxhov siab.
(2) Cov putty hnyav heev thaum lub sijhawm khawb.
Feem ntau qhov xwm txheej no tshwm sim vim tias qhov viscosity ntawm cov cellulose siv siab dhau. Qhov ntau ntxiv pom zoo ntawm cov putty sab hauv phab ntsa yog 3-5kg, thiab qhov viscosity yog 80,000-100,000.
(3) Qhov viscosity ntawm cellulose nrog tib viscosity yog txawv nyob rau lub caij ntuj no thiab lub caij ntuj sov.
Vim yog qhov kub ntawm cellulose gelation, qhov viscosity ntawm cov putty thiab mortar ua yuav maj mam txo qis nrog rau qhov kub nce. Thaum qhov kub tshaj qhov kub ntawm cellulose gel, cov cellulose yuav raug precipitated los ntawm dej, yog li poob viscosity. Nws raug pom zoo kom xaiv cov khoom uas muaj viscosity siab dua thaum siv cov khoom thaum lub caij ntuj sov, lossis nce cov cellulose ntau ntxiv, thiab xaiv cov khoom uas muaj qhov kub ntawm gel siab dua. Sim tsis txhob siv methyl cellulose thaum lub caij ntuj sov. Nyob ib ncig ntawm 55 degrees, qhov kub siab dua me ntsis, thiab nws cov viscosity yuav raug cuam tshuam loj heev.
Hauv kev xaus lus, cellulose siv rau hauv cov hmoov putty thiab lwm yam lag luam, uas tuaj yeem txhim kho kev ntws, txo qhov ceev, muaj huab cua zoo permeability, thiab ntsuab thiab tus phooj ywg ib puag ncig. Nws yog qhov kev xaiv zoo tshaj plaws rau peb xaiv thiab siv.
Lub sijhawm tshaj tawm: Tsib Hlis-17-2023