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Hydroxypropyl methylcellulose, tseem hu ua hypromellose thiab cellulose hydroxypropyl methyl ether, yog ua los ntawm paj rwb cellulose ntshiab heev thiab yog etherified tshwj xeeb nyob rau hauv alkaline mob. qhov sib txawv: cov yam ntxwv sib txawv Hydroxypropyl methylcellulose: dawb lossis dawb fiber-zoo li p ...Nyeem ntxiv»
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Cov hmoov emulsion zoo li dawb, daj daj me me los yog xim av daj, pom tseeb, tsis muaj ntxhiab tsw tsis zoo, thiab tsis muaj qhov tsis huv uas pom tau rau lub qhov muag liab qab. Cov hmoov emulsion zoo dua, qhov kev ua tau zoo dua. Cov hmoov emulsion zoo dua, qhov ze dua lub zog tensile, elonga ...Nyeem ntxiv»
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1. Cov teeb meem feem ntau hauv cov hmoov putty Qhuav sai: Qhov laj thawj tseem ceeb yog tias qhov ntau ntawm cov hmoov calcium tshauv ntxiv (loj dhau, qhov ntau ntawm cov hmoov calcium tshauv siv hauv cov mis putty tuaj yeem txo qis kom raug) yog cuam tshuam nrog tus nqi khaws dej ntawm cov fiber, thiab kuj cuam tshuam nrog qhov qhuav ...Nyeem ntxiv»
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Ib qho hmoov qhuav series 1. Sab hauv phab ntsa putty hmoov% (1) Shuangfei hmoov 70-80 (fineness 325-400) grey calcium hmoov 20-30 roj hmab hmoov txog 0.5 (2) Talc hmoov 10 Tshauv calcium hmoov 20 Shuangfei hmoov 60 Dawb cement 10 Roj hmab hmoov 0.5-1 (3) Dawb cement 25-30 (No. 425) tshauv calcium hmoov 2...Nyeem ntxiv»
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1 Kev Paub Txog Cov Lus Nug Tseem Ceeb 1 Muaj pes tsawg txoj kev tsim kho kom muab cov vuas vov nrog cov nplaum pobzeb? Cov lus teb: Cov txheej txheem nplaum pobzeb feem ntau muab faib ua peb hom: txoj kev txheej txheej rov qab, txoj kev txheej txheej hauv paus (tseem hu ua txoj kev trowel, txoj kev nplaum nyias), thiab kev sib xyaw ua ke...Nyeem ntxiv»
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1 Cov teeb meem feem ntau hauv cov hmoov putty phab ntsa: (1) Qhuav sai. Qhov no feem ntau yog vim tias qhov ntau ntawm cov hmoov calcium tshauv ntxiv (loj dhau, qhov ntau ntawm cov hmoov calcium tshauv siv hauv cov mis putty tuaj yeem txo qis kom haum) yog cuam tshuam nrog tus nqi khaws dej ntawm cov fiber, thiab nws kuj cuam tshuam nrog...Nyeem ntxiv»
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Cov kua nplaum rau pobzeb, tseem hu ua cov kua nplaum rau pobzeb ceramic, feem ntau yog siv los nplaum cov khoom dai kom zoo nkauj xws li cov pobzeb ceramic, cov pobzeb ntsej muag, thiab cov pobzeb hauv pem teb. Nws cov yam ntxwv tseem ceeb yog lub zog sib txuas siab, tiv taus dej, tiv taus khov thiab yaj, tiv taus kev laus thiab kev tsim kho yooj yim. Nws yog ib qho khoom siv zoo heev...Nyeem ntxiv»
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Hydroxypropyl methylcellulose HPMC yog ib hom non-ionic cellulose mixed ether. Tsis zoo li ionic methyl carboxymethyl cellulose mixed ether, nws tsis cuam tshuam nrog cov hlau hnyav. Vim yog qhov sib txawv ntawm cov ntsiab lus methoxyl thiab hydroxypropyl cov ntsiab lus hauv hydroxypropyl methylcellulose thiab cov v sib txawv ...Nyeem ntxiv»
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Cellulose ether yog ib qho polymer tsim los ntawm cov cellulose ntuj los ntawm kev hloov kho tshuaj lom neeg. Cellulose ether yog ib qho derivative ntawm cellulose ntuj. Kev tsim cov cellulose ether txawv ntawm cov polymers tsim. Nws cov khoom siv yooj yim tshaj plaws yog cellulose, ib qho tshuaj polymer ntuj. Vim yog ...Nyeem ntxiv»
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Cov Lus Qhia Luv: 1. Tus neeg sawv cev ntub thiab tawg 2. Tus neeg ua npuas dej 3. Tus neeg ua kom tuab 4. Cov tshuaj ntxiv rau zaj duab xis 5. Tus neeg sawv cev tiv thaiv xeb, tiv thaiv pwm thiab tiv thaiv algae 6. Lwm cov tshuaj ntxiv 1 Tus neeg sawv cev ntub thiab tawg: Cov txheej txheem dej siv dej ua cov kuab tshuaj lossis cov khoom sib kis, thiab dej muaj cov khoom siv dielectric loj ...Nyeem ntxiv»
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Lub luag haujlwm ntawm cov tshuaj khaws dej sib xyaw rau hauv cov hmoov gypsum yog dab tsi? Lus teb: siv cov khoom siv plastering gypsum, bonded gypsum, caulking gypsum, gypsum putty thiab lwm yam khoom siv hmoov tsim kho. Txhawm rau kom yooj yim rau kev tsim kho, cov tshuaj gypsum retarders raug ntxiv thaum lub sijhawm tsim khoom kom ntev lub sijhawm ...Nyeem ntxiv»
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1. Daim ntawv thov tseem ceeb ntawm hydroxypropyl methylcellulose (HPMC) yog dab tsi? HPMC yog siv dav hauv cov ntaub ntawv siv hauv kev tsim kho, tshuaj pleev xim, cov khoom siv ua los ntawm cov av nplaum, tshuaj, khoom noj, textiles, kev ua liaj ua teb, tshuaj pleev ib ce, luam yeeb thiab lwm yam lag luam. HPMC tuaj yeem muab faib ua qib tsim kho, qib zaub mov thiab ...Nyeem ntxiv»