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01. Kev qhia ntawm cellulose cellulose yog macromolecular polysaccharide tsim los ntawm cov piam thaj. Insoluble hauv dej thiab dav dav cov kuab tshuaj organic. Nws yog lub ntsiab tivthaiv ntawm cov nroj tsuag xovtooj phab ntsa, thiab nws kuj yog qhov feem ntau faib thiab feem ntau muaj polysaccharide hauv qhov xwm. Cellulose yog tus mos ...Nyeem ntxiv»
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Hauv kev npaj cug tov, tsuav yog ntev me me ether tuaj yeem txhim kho cov cellulose ether yog ib qho kev ua tau zoo ntawm kev tshuaj khib. "Kev xaiv ntawm ntau hom, txawv viscosities, Diff ...Nyeem ntxiv»
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EPS Granular thermal thermal rwb thaiv tsev rwb thaiv tsev yog ib qho kev sib xyaw ua ke, admixtures, additives, sib xyaw ua feem. Ntawm cov EPS granular thermal rwb thaiv tsev tsis muaj cortars tam sim no tau tshawb nrhiav thiab thov, nws tuaj yeem rov ua ...Nyeem ntxiv»
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Cellulose ether yog tsis-ionic semi-hluav taws xob semi-hluavtaws polymer, uas yog dej-soluble thiab cov kuab-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov khoom siv hauv tsev, nws muaj cov khoom sib xyaw ua hauv paus: ①water khaws tus neeg sawv cev ②leveling ③fileling ④film tsim kev tsim ...Nyeem ntxiv»
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Kev tshawb nrhiav keeb kwm yav dhau los ua cov peev txheej ntuj, ntau dua thiab txuas ntxiv ntxiv, cellulose paub txog kev siv tau vim nws tsis muaj suab thiab muaj kev txwv solubility cov khoom. Lub siab crystallinity thiab high-ceev hydrogen khi nyob rau hauv lub cellulose qauv ua kom nws tsis ntseeg tab sis tsis yog kuv ...Nyeem ntxiv»
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Raws li qhov tseem ceeb tshaj plaws admixture nyob rau hauv lub tsev qhuav-mixulose celles cov khoom lag luam, cellulose sole lub luag haujlwm tseem ceeb thiab raug cai ntawm kev sib xyaw qhuav-cug. Muaj ob hom cellulose muaj kev nyab xeeb: ib qho yog ionic, xws li sodium carboxymethyl cellulose (CMC), thiab lwm yam yog tsis-ionic, xws li methyl ...Nyeem ntxiv»
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Cellulose ether yog tsis-ionic semi-hluav taws xob semi-hluavtaws polymer, uas yog dej-soluble thiab cov kuab-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov khoom siv hauv tsev, nws muaj cov kev sib xyaw ua ke hauv qab noNyeem ntxiv»
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Kev txhim kho ntawm culttructies kuj muaj cov teebmeem sib txawv. Tam sim no muaj ntau masonry thiab plastering mortars muaj cov dej tsis zoo, thiab cov dej slurry yuav cais tom qab ob peb feeb ntawm sawv ntsug. Yog li nws yog ib qho tseem ceeb heev kom ntxiv cellulose ether hauv cement. Cia ...Nyeem ntxiv»
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Cellulose ether yog tsis yog-ionic semi-synthetic high molecular polymular, uas yog dej-soluble thiab kuab-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov cuab yeej siv hauv tsev, nws muaj cov khoom sib xyaw ua hauv qab no: ①water khaws tus neeg sawv cev ②thickener ③leveling prop ...Nyeem ntxiv»
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HydroxyPropyyl methylulose yog cov tsis-ionic cellulose tau los ntawm cov duab paj rwb, muaj cov txheej txheem polymer, los ntawm cov txheej txheem tshuaj lom neeg. Mas siv nyob rau hauv kev tsim kho kev tsim kho: Cov hmoov nplej tso dej, Putty Muab cov tshuaj txhuam, pleev xim kua nplaum, Masonry Plastering Cib ...Nyeem ntxiv»
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1. Cov hmoov nplej qhuav sai: qhov no yog feem cuam tshuam rau kev ntxiv ntawm cov tshuaj calcium zoo nkauj thiab dej rov qab ntawm cov fiber ntau, thiab tseem muaj feem xyuam rau cov dryness ntawm phab ntsa. 2. Lub hmoov putty peels thiab rolls teb: Qhov no muaj feem xyuam rau dej khaws cia, uas yooj yim tshwm sim thaum ...Nyeem ntxiv»
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Methylcellulose (MC) cov mis milcenulula ntawm methylcellulose (MC) yog: [C6h7o2 (Oh) 3-H (OCH3) (OH) , thiab methyl chloride yog siv los ntawm etherification tus neeg sawv cev. Feem ntau, Degr ...Nyeem ntxiv»