Cellulose rau kev tsim kho yog ib qho kev sib ntxiv siv hauv kev tsim khoom lag luam. Cellulose rau kev tsim kho yog siv rau hauv cov hmoov av qhuav. Qhov kev sib ntxiv ntawm cellulose ether yog tsawg heev, tab sis nws tuaj yeem txhim kho kev ua tau zoo ntawm cug tshuaj ntxuav thiab cuam tshuam rau kev ua tshuaj khib. Kev ua tau zoo yuav tsum tau them sai sai rau kev siv. Yog li dab tsi yog lub cev cov khoom ntawm cellulose rau kev tsim kho, thiab cov txheej txheem kev tsim kho ntawm cellulose rau kev tsim kho? Yog tias koj tsis paub ntau txog cov khoom thiab cov txheej txheem kev tsim kho ntawm cellulose rau kev tsim kho, cia saib ua ke.
Dab tsi yog cov khoom ntawm lub cev ntawm cellulose rau kev tsim kho:
1. Pom: Dawb lossis tawv nqaij dawb.
2. Paus taus loj me; Tus nqi dhau ntawm 100 mesh loj dua 98.5%; Tus nqi dhau ntawm 80 mesh loj dua 100%.
3. Cov pa roj cua kub: 280-300 ° C
4. Pom meej ntom ntom: 0.25-0.70 / cm3 (feem ntau nyob ib ncig 0.5g / cm3), tshwj xeeb kev nqus 1.26-1.31.
5. Txhaum Kub Kub: 190-200 ° C
6. Sab nro: 2% tshuaj aque yog 42-56dyn / cm.
7. Soluble hauv dej thiab qee cov kuab tshuaj, dej, propanol / dej, trichloroethane, thiab lwm yam kev daws teeb meem yog cov nquag ua haujlwm. Siab transparency, ruaj khov ua tau zoo, sib txawv cov khoom muaj ntau qhov sib txawv, qhov sib txawv ntawm HPMC hauv dej tsis cuam tshuam los ntawm tus nqi PH.
8. Nrog rau kev txo cov ntsiab methoxyl, cov dej solubility ntawm HPMC txo qis, thiab cov dej num saum npoo av kuj txo qis.
9. HPMC kuj muaj cov yam ntxwv ntawm thickening muaj peev xwm, cov hmoov tshauv uas tsis muaj tseeb, thiab ntau yam duab paug, thiab kev sib zog ua kom zoo, qhov tsis txaus ntseeg thiab cohesiveness.
Cov txheej txheem kev tsim kho ntawm cellulose rau kev tsim kho:
1. Yuav tsum tau ua kom muaj zog ntawm cov kev xav tau, yog cov khoom noj nyob sab nraud Phab ntsa thiab yog li yog li txhim kho lub zog sib txuas ntawm phab ntsa thiab polystyrene board.
2. Ua si tswj kab: POP mus txog kab rov tav thiab ntsug tswj cov kab thiab cov pob qij txha, cov pob qij txha nthuav dav, thiab lwm yam ntawm phab ntsa.
3. Muab txoj kab hluav taws xob: dai cov xaim Ntsug Siv Hlau (sab nraud ntawm lub tsev sab nrauv thiab lwm qhov chaw tsim nyog, thiab dai cov kab rov tav) ntawm cov chaw tsim nyog ntawm txhua chav tsev kom tswj tau qhov kev hloov pauv ntawm Cov Thawj Coj Polystyrene.
4. Kev npaj cov tshuaj nplaum polymer
5. Muab cov ntaub ntawv hla kev nkag siab: Txhua qhov chaw nthuav tawm ntawm sab testse, lub tsev sib koom ua ke ntawm ob sab, qhov rooj thiab Windows) yuav tsum tau kho nrog daim ntaub sib xyaw. Cov.
6. Cov khoom lag luam Polystyrene Board: Nco ntsoov tias kev txiav txiav kom pawg thawj coj. Qhov loj sib txawv yuav tsum ua kom tau raws li cov cai ntawm cov kev cai, thiab cov pob qij txha ntawm polystyrene board yuav tsum tsis txhob sab laug ntawm plaub lub ces kaum ntawm lub qhov rooj thiab lub qhov rai.
7. Txhim kho ntawm cov nkoj thauj khoom: Tus naj npawb ntawm cov thauj khoom thauj yog ntau dua 2 ib square Meter (nce ntxiv rau ntau dua 4 rau cov tsev siab).
8. Npaj plastering cug: npaj plastering collhum raws li cov qauv muab los ntawm cov chaw ntsuas, yog li ua txhua yam kev kho tshuab theem siab, thiab txawm sib xyaw.
Ntawm cov hom ntawm cellulose siv hauv kev tsim kho, lub cellulose ether siv los ntawm hydroxypropylulose hauv cov hmoov cho kas yog mas hydroxelly etherfulose ether. HydroxyPropyl methylcellulose feem ntau ua lub luag haujlwm ntawm dej cia, thickening thiab txhim kho kev tsim kho hauv cov hmoov av qhuav.
Lub Sijhawm Post: Lub Tsib Hlis-10-2023