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Kuuma mwachangu Izi zimachitika makamaka chifukwa cha kuwonjezera kwambiri ufa wa calcium wa phulusa (kuchuluka kwa ufa wa calcium wa phulusa womwe umagwiritsidwa ntchito mu fomula ya putty kumatha kuchepetsedwa moyenera) kumagwirizana ndi kuchuluka kwa madzi omwe amasungidwa mu hydroxypropyl methylcellulose, komanso kumagwirizana ndi kuuma kwa khoma. Kuchotsa...Werengani zambiri»
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Hydroxypropyl methylcellulose ndi ether ya cellulose yosakhala ionic yomwe imakonzedwa kuchokera ku thonje loyengedwa kudzera muzochita zosiyanasiyana za mankhwala. Ndi chinthu choyera chopanda fungo, chopanda poizoni chomwe chimasungunuka m'madzi ndikupereka yankho loyera kapena lamtambo pang'ono la colloidal. Lili ndi makhalidwe a t...Werengani zambiri»
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Dzina lachi China la HPMC ndi hydroxypropyl methylcellulose. Si ionic ndipo nthawi zambiri imagwiritsidwa ntchito ngati chosungira madzi mu matope osakanikirana ndi madzi. Ndi chinthu chosungira madzi chomwe chimagwiritsidwa ntchito kwambiri mu matope. Chopangidwa ndi ether chochokera ku polysaccharide chomwe chimapangidwa ndi alkalization ndi etherification. Sichili ndi...Werengani zambiri»
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1. Mavuto omwe amapezeka mu ufa wa putty umauma mwachangu Izi zimagwirizana kwambiri ndi kuchuluka kwa ufa wa calcium wowonjezeredwa (wochuluka kwambiri, kuchuluka kwa ufa wa calcium wogwiritsidwa ntchito mu fomula ya putty kumatha kuchepetsedwa moyenera) komanso kuchuluka kwa madzi osungira hydroxypropyl methylcellulose (HPMC), ndipo imapangidwanso...Werengani zambiri»
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Ufa wa latex wosungunukanso ndi ufa woyera wolimba womwe umapezeka pogwiritsa ntchito latex yapadera yopopera. Umagwiritsidwa ntchito makamaka ngati chowonjezera chofunikira pa "matope osakanikirana ouma" ndi makoma ena osakanikirana ouma opangira zida zomangira zakunja. Samalani zinthu zitatu zotsatirazi...Werengani zambiri»
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Hydroxypropyl methylcellulose imagwiritsidwa ntchito makamaka ngati chosungunula popanga polyvinyl chloride, ndipo ndiye wothandizira wamkulu wokonzekera PVC ndi suspension polymerization. Mu ntchito yomanga makampani omanga, imagwiritsidwa ntchito kwambiri pomanga makina monga makoma...Werengani zambiri»
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Zowonjezera zosinthidwa monga zowonjezera za mortar zosakaniza kale, ma ether a cellulose, owongolera ma coagulation, ufa wa latex wosungunukanso, othandizira mpweya, othandizira mphamvu zoyambirira, ochepetsa madzi, ndi zina zotero, zomwe zimawonjezedwa malinga ndi zosowa za polojekitiyi, zimathandizira kwambiri magwiridwe antchito a ready-mixed ...Werengani zambiri»
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Kugwiritsa ntchito hydroxypropyl methylcellulose (HPMC) mu matope omangira pulasitala: Kusunga madzi ambiri kungapangitse simenti kukhala ndi madzi okwanira, kuwonjezera mphamvu ya mgwirizano, ndipo nthawi yomweyo, kumatha kuwonjezera mphamvu yokoka ndi kumeta, zomwe zimakhudza kwambiri ...Werengani zambiri»
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(1) Kutsimikiza kukhuthala: Chotsukidwacho chimakonzedwa kukhala madzi okhala ndi kulemera kwa 2°C, ndipo chimayesedwa ndi NDJ-1 rotational viscometer; (2) Mawonekedwe a chinthucho ndi ufa, ndipo chinthucho nthawi yomweyo chimaphatikizidwa ndi "s". Momwe mungagwiritsire ntchito hydroxyp...Werengani zambiri»
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Chizindikiro cha kukhuthala kwa hydroxypropyl methylcellulose ndi chizindikiro chofunikira kwambiri. Kukhuthala sikuyimira kuyera. Kukhuthala kwa cellulose HPMC kumadalira njira yopangira. Malo osiyanasiyana ogwiritsira ntchito ayenera kusankha cellulose HPMC yokhala ndi kukhuthala kosiyana, osati kukwera kwa vi...Werengani zambiri»
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Mtondo wosakaniza wonyowa umatanthauza zinthu zosakaniza simenti, chosakaniza chabwino, kusakaniza, madzi ndi zinthu zosiyanasiyana zomwe zimatsimikiziridwa malinga ndi momwe zimagwirira ntchito. Malinga ndi kuchuluka kwina, pambuyo poyezedwa ndikusakanizidwa mu siteshoni yosakanizira, imanyamulidwa kupita kumalo ogwiritsidwa ntchito ndi galimoto yosakanizira. Sungani...Werengani zambiri»
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Mitundu ya zosakaniza zomwe zimagwiritsidwa ntchito popanga matope osakaniza ndi madzi, makhalidwe awo, momwe amagwirira ntchito, komanso momwe zimakhudzira magwiridwe antchito a matope osakaniza ndi madzi. Zotsatira zabwino za zinthu zosungira madzi monga cellulose ether ndi starch ether, zomwe zimatha kusungunukanso...Werengani zambiri»