-
01. Taw qhia txog cellulose Cellulose yog macromolecular polysaccharide uas muaj cov piam thaj. Insoluble nyob rau hauv dej thiab cov organic solvents. Nws yog cov khoom tseem ceeb ntawm cov phab ntsa ntawm cov nroj tsuag, thiab nws kuj yog qhov dav tshaj plaws thiab muaj ntau tshaj polysaccharide nyob rau hauv cov xwm. Cellulose yog lub mos...Nyeem ntxiv»
-
Nyob rau hauv npaj sib xyaw mortar, tsuav yog me ntsis cellulose ether tuaj yeem txhim kho kev ua haujlwm ntawm cov khib nyiab ntub dej, nws tuaj yeem pom tias cellulose ether yog ib qho tseem ceeb ntxiv uas cuam tshuam rau kev tsim kho ntawm mortar. "Kev xaiv ntawm ntau yam sib txawv, txawv viscosities, txawv ...Nyeem ntxiv»
-
EPS granular thermal rwb thaiv tsev mortar yog ib lub teeb yuag thermal rwb thaiv tsev cov ntaub ntawv sib xyaw nrog cov khoom siv tsis zoo, cov organic binders, admixtures, additives thiab lub teeb aggregates nyob rau hauv ib qho kev faib ua feem. Ntawm EPS granular thermal rwb thaiv tsev mortars tam sim no tshawb fawb thiab siv, nws tuaj yeem rov ua dua ...Nyeem ntxiv»
-
Cellulose ether yog non-ionic semi-synthetic polymer, uas yog dej-soluble thiab hnyav-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov khoom siv tshuaj lom neeg, nws muaj cov teebmeem hauv qab no: ① Dej tuav tus neeg saib xyuas ②Thickener ③Leveling ④Film tsim ...Nyeem ntxiv»
-
Kev Tshawb Fawb Keeb Kwm Raws li lub ntuj tsim, nplua nuj thiab rov ua dua tshiab, cellulose ntsib cov teeb meem loj hauv kev siv tswv yim vim nws cov khoom tsis yaj thiab cov khoom solubility tsawg. Lub siab crystallinity thiab high-density hydrogen bonds hauv cellulose qauv ua rau nws degrade tab sis tsis yog kuv ...Nyeem ntxiv»
-
Raws li cov khoom siv tseem ceeb tshaj plaws hauv kev tsim cov khoom siv tshuaj khib nyiab qhuav, cellulose ether plays lub luag haujlwm tseem ceeb hauv kev ua haujlwm thiab tus nqi ntawm cov tshuaj khib nyiab qhuav. Muaj ob hom cellulose ethers: ib qho yog ionic, xws li sodium carboxymethyl cellulose (CMC), thiab lwm yam yog non-ionic, xws li methyl ...Nyeem ntxiv»
-
Cellulose ether yog non-ionic semi-synthetic polymer, uas yog dej-soluble thiab hnyav-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov khoom siv tshuaj lom neeg, nws muaj cov teebmeem hauv qab no: ① dej tuav tus neeg saib xyuas ② thickener ③ leveling khoom ④ zaj duab xis-...Nyeem ntxiv»
-
Kev txhim kho ntawm cov cuab yeej mortar kuj muaj qhov sib txawv. Tam sim no, ntau cov masonry thiab plastering mortars muaj kev tuav dej tsis zoo, thiab cov dej slurry yuav sib cais tom qab ob peb feeb ntawm kev sawv. Yog li nws tseem ceeb heev kom ntxiv cellulose ether hauv cov cement mortar. Wb...Nyeem ntxiv»
-
Cellulose ether yog non-ionic semi-synthetic siab molecular polymer, uas yog dej-soluble thiab hnyav-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov khoom siv tshuaj lom neeg, nws muaj cov teebmeem hauv qab no: ① Dej tuav tus neeg saib xyuas ②Thickener ③Leveling prop ...Nyeem ntxiv»
-
Hydroxypropyl methylcellulose yog ib qho uas tsis yog-ionic cellulose ether tau los ntawm cov paj rwb refined, ib yam khoom siv polymer, los ntawm ntau cov txheej txheem tshuaj. Feem ntau siv nyob rau hauv kev tsim kho kev lag luam: dej-resistant putty hmoov, putty paste, tempered putty, pleev xim rau, masonry plastering mortar ...Nyeem ntxiv»
-
1. Putty hmoov dries sai Teb: Qhov no feem ntau muaj feem xyuam rau kev sib ntxiv ntawm cov hmoov tshauv calcium thiab cov dej tuav tus nqi ntawm cov fiber ntau, thiab kuj muaj feem xyuam rau cov phab ntsa dryness. 2. Lub putty hmoov peels thiab rolls Teb: Qhov no muaj feem xyuam rau cov dej tuav tus nqi, uas yog ib qho yooj yim tshwm sim thaum ...Nyeem ntxiv»
-
Methylcellulose (MC) Cov mis molecular ntawm methylcellulose (MC) yog: [C6H7O2(OH) 3-h(OCH3)n\] x Cov txheej txheem tsim khoom yog ua kom cellulose ether los ntawm cov tshuaj tiv thaiv tom qab cov paj rwb refined yog kho nrog alkali. , thiab methyl chloride yog siv los ua tus neeg sawv cev etherification. Feem ntau, lub degre...Nyeem ntxiv»