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Mu matope a simenti ndi gypsum-based slurry, hydroxypropyl methylcellulose makamaka imagwira ntchito yosungira madzi ndi kukhuthala, ndipo imatha kusintha bwino kumamatira ndi kukana kwa slurry. Zinthu monga kutentha kwa mpweya, kutentha ndi kuthamanga kwa mphepo zidzakhudza volatili ...Werengani zambiri»
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1. Mavuto omwe amapezeka mu ufa wa putty Kuyanika msanga: Izi makamaka chifukwa cha kuchuluka kwa ufa wa laimu wowonjezera (wochuluka kwambiri, kuchuluka kwa ufa wa laimu wa laimu wogwiritsidwa ntchito mu putty ufa ukhoza kuchepetsedwa moyenera) zimagwirizana ndi kuchuluka kwa madzi osungira madzi. fiber, ndipo imagwirizananso ndi ...Werengani zambiri»
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kuuma mofulumira Izi makamaka chifukwa cha kuwonjezereka kwa phulusa la phulusa la phulusa (kuchuluka kwa phulusa la phulusa la phulusa lomwe limagwiritsidwa ntchito mu putty formula likhoza kuchepetsedwa moyenerera) likugwirizana ndi kuchuluka kwa kusunga madzi kwa hydroxypropyl methylcellulose, komanso kumagwirizana ndi kuuma kwa khoma. Kusamba ndi...Werengani zambiri»
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Hydroxypropyl methylcellulose ndi non-ionic cellulose ether opangidwa kuchokera ku thonje woyengedwa kudzera muzinthu zingapo zamakemikolo. Ndi ufa woyera wopanda fungo, wopanda poizoni womwe umasungunuka m'madzi ndikupereka njira yoyera kapena yamtambo pang'ono. Ili ndi mawonekedwe a t...Werengani zambiri»
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Dzina lachi China la HPMC ndi hydroxypropyl methylcellulose. Ndiwopanda ionic ndipo nthawi zambiri amagwiritsidwa ntchito ngati chosungira madzi mumatope osakaniza owuma. Ndizomwe zimagwiritsidwa ntchito kwambiri posunga madzi mumatope. Ether yochokera ku polysaccharide yopangidwa ndi alkalization ndi etherification. Palibe...Werengani zambiri»
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1. Mavuto omwe amapezeka mu putty powder youma mofulumira Izi makamaka zimagwirizana ndi kuchuluka kwa phulusa la calcium ufa wowonjezera (lalikulu kwambiri, kuchuluka kwa phulusa la phulusa la calcium lomwe limagwiritsidwa ntchito mu putty formula likhoza kuchepetsedwa moyenera) komanso kusungira madzi kwa hydroxypropyl methylcellulose ( HPMC), ndipo ilinso ...Werengani zambiri»
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Redispersible latex powder ndi ufa woyera wolimba womwe umapezedwa ndi kupopera-kuyanika latex yapadera. Amagwiritsidwa ntchito makamaka ngati chowonjezera chofunikira cha "matope osakanikirana" ndi matope ena owuma opangira zida zomangira zakunja zamakhoma. Samalani ndi izi...Werengani zambiri»
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Hydroxypropyl methylcellulose amagwiritsidwa ntchito ngati dispersant popanga polyvinyl kolorayidi, ndipo ndiye wothandizira wamkulu pokonzekera PVC ndi kuyimitsidwa kwa polymerization. Pomanga makampani omangamanga, amagwiritsidwa ntchito kwambiri pomanga makina monga khoma ...Werengani zambiri»
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Zowonjezera zosinthidwa monga zowonjezera matope okonzeka, ma cellulose ethers, coagulation regulators, redispersible latex powder, air-entraining agents, oyambirira mphamvu zothandizira, zochepetsera madzi, ndi zina zotero, zomwe zimawonjezedwa malinga ndi zosowa za polojekitiyi, zimasintha kwambiri ntchito. okonzeka osakaniza ...Werengani zambiri»
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Kugwiritsa ntchito hydroxypropyl methylcellulose (HPMC) pomanga matope pulasitala matope: Kusungirako madzi kwambiri kungapangitse simenti kukhala ndi madzi okwanira, kuonjezera mphamvu ya mgwirizano, ndipo panthawi imodzimodziyo, ikhoza kuonjezera mphamvu zowonongeka ndi kumeta ubweya, kwambiri. .Werengani zambiri»
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(1) Kutsimikiza kwa viscosity: Zouma zouma zimakonzedwa mu njira yamadzimadzi yokhala ndi kulemera kwa 2 ° C, ndipo imayesedwa ndi viscometer yozungulira ya NDJ-1; (2) Maonekedwe a mankhwalawo ndi a ufa, ndipo nthawi yomweyo amapangidwa ndi "s". Momwe mungagwiritsire ntchito hydroxyp ...Werengani zambiri»
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Mndandanda wa viscosity index wa hydroxypropyl methylcellulose ndiwofunikira kwambiri. Kukhuthala sikuyimira chiyero. Kukhuthala kwa cellulose HPMC kumatengera kupanga. Zosiyanasiyana ntchito mapangidwe ayenera kusankha mapadi HPMC ndi viscosities osiyana, osati apamwamba vi ...Werengani zambiri»