Cellulose rau kev tsim kho yog ib qho additive feem ntau siv hauv kev tsim kho. Cellulose rau kev tsim kho yog tsuas yog siv nyob rau hauv qhuav hmoov mortar. Qhov sib ntxiv ntawm cellulose ether yog tsawg heev, tab sis nws tuaj yeem txhim kho kev ua haujlwm ntawm cov khib nyiab ntub dej thiab cuam tshuam rau kev tsim kho ntawm mortar. Kev ua tau zoo yuav tsum tau them sai sai rau kev siv. Yog li dab tsi yog lub cev lub cev ntawm cellulose rau kev tsim kho, thiab cov txheej txheem ntawm cellulose rau kev tsim kho yog dab tsi? Yog tias koj tsis paub ntau txog cov khoom thiab cov txheej txheem ntawm cellulose rau kev tsim kho, cia peb saib ua ke.
Dab tsi yog lub cev lub zog ntawm cellulose rau kev tsim kho:
1. Cov tsos: cov hmoov dawb los yog dawb dawb.
2. Particle loj; qhov pass tus nqi ntawm 100 mesh yog ntau dua 98.5%; tus pass tus nqi ntawm 80 mesh yog ntau tshaj 100%.
3. Carbonization kub: 280-300 ° C
4. Pom tseeb qhov ntom: 0.25-0.70 / cm3 (feem ntau nyob ib ncig ntawm 0.5g / cm3), tshwj xeeb lub ntiajteb txawj nqus 1.26-1.31.
5. Discoloration kub: 190-200 ° C
6. Nto nro: 2% aqueous tov yog 42-56dyn / cm.
7. Soluble hauv dej thiab qee cov kuab tshuaj, xws li kev faib ua feem ntawm ethanol / dej, propanol / dej, trichloroethane, thiab lwm yam. Aqueous solutions yog nto active. High transparency, ruaj khov kev ua tau zoo, txawv specifications ntawm cov khoom muaj sib txawv gel kub, solubility hloov nrog viscosity, qhov qis dua lub viscosity, ntau dua solubility, txawv specifications ntawm HPMC muaj tej yam txawv ntawm kev ua tau zoo, thiab dissolution ntawm HPMC nyob rau hauv dej tsis cuam tshuam. los ntawm tus nqi pH.
8. Nrog rau kev txo qis ntawm cov ntsiab lus methoxyl, cov ntsiab lus gel nce, cov dej solubility ntawm HPMC txo qis, thiab cov dej ua haujlwm saum npoo kuj txo.
9. HPMC kuj muaj cov yam ntxwv ntawm thickening peev xwm, ntsev tsis kam, hmoov tshauv tsawg, PH stability, dej tuav, seem stability, zoo heev film-forming cuab yeej, thiab ntau yam enzyme kuj, dispersibility thiab cohesiveness.
Dab tsi yog txheej txheem kev tsim kho ntawm cellulose rau kev tsim kho:
1. Base-theem yuav tsum tau: Yog hais tias lub adhesion ntawm lub hauv paus-theem phab ntsa tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua, sab nrauv ntawm lub hauv paus-theem phab ntsa yuav tsum tau muab ntxuav kom huv si, thiab tus neeg sawv cev cuam tshuam yuav tsum tau siv los ua kom muaj peev xwm tuav tau dej ntau ntxiv. phab ntsa thiab yog li txhim khu kev sib raug zoo ntawm phab ntsa thiab polystyrene board.
2. Ua si tswj kab: pop li kab rov tav thiab ntsug tswj kab ntawm lub qhov rooj thiab qhov rais, nthuav cov pob qij txha, cov pob qij txha zoo nkauj, thiab lwm yam ntawm phab ntsa.
3. Dai cov kab siv: dai ntsug siv hlau xaim ntawm cov ces kaum loj (sab nraud, sab hauv cov ces kaum) ntawm lub tsev sab nrauv phab ntsa thiab lwm qhov chaw tsim nyog, thiab dai kab kab rov tav ntawm txoj haujlwm tsim nyog ntawm txhua pem teb los tswj qhov ntsug thiab qhov tiaj tus. polystyrene board.
4. Kev npaj ntawm polymer nplaum mortar: Cov khoom no yog npaj cov polymer nplaum mortar, uas yuav tsum tau siv raws li qhov yuav tsum tau ntawm cov khoom no, tsis tas yuav ntxiv lwm yam ntaub ntawv, xws li cement, xuab zeb thiab lwm yam polymers.
5. Muab daim kab sib tw pov tseg: Txhua qhov chaw raug rau sab ntawm lub rooj tsavxwm polystyrene (xws li cov pob qij txha nthuav dav, cov pob qij txha hauv tsev, cov pob qij txha kub thiab lwm yam sutures ntawm ob sab, qhov rooj thiab qhov rais) yuav tsum tau kho nrog daim phiaj daim ntaub. .
6. Adhesive polystyrene board: Nco ntsoov tias qhov txiav yog perpendicular mus rau lub rooj tsavxwm nto. Qhov sib txawv ntawm qhov loj me yuav tsum ua tau raws li cov cai ntawm cov kev cai, thiab cov pob qij txha ntawm polystyrene board yuav tsum tsis txhob tso rau ntawm plaub fab ntawm lub qhov rooj thiab qhov rais.
7. Kev kho cov thauj tog rau nkoj: tus naj npawb ntawm cov thauj tog rau nkoj yog ntau tshaj 2 ib square meter (nce mus rau ntau tshaj 4 rau cov tsev siab siab).
8. Npaj plastering mortar: Npaj plastering mortar raws li qhov piv tau muab los ntawm cov chaw tsim khoom, thiaj li ua tiav kev ntsuas qhov tseeb, cov neeg kho tshuab theem nrab stirring, thiab sib tov sib xyaw.
Ntawm cov hom cellulose siv hauv kev tsim kho, cellulose ether siv los ntawm hydroxypropyl methylcellulose hauv cov hmoov qhuav mortar yog hydroxypropyl methylcellulose ether. Hydroxypropyl methylcellulose tsuas yog ua lub luag haujlwm ntawm kev tuav dej, thickening thiab txhim kho kev tsim kho hauv cov hmoov qhuav mortar.
Post lub sij hawm: May-10-2023