Kusalala kwa HPMC kumakhudzanso momwe imasungira madzi.

Hydroxypropylmethylcellulose (HPMC) ikutchuka kwambiri mumakampani omanga chifukwa cha mphamvu zake zabwino zosungira madzi. HPMC ndi ether ya cellulose yosakhala ionic, yosungunuka m'madzi, yomwe imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Pakumanga, nthawi zambiri imagwiritsidwa ntchito ngati chokhuthala, chomangirira komanso chosungira madzi mu simenti ndi mortars. Kusalala kwa HPMC kumakhudzanso magwiridwe antchito ake osungira madzi, zomwe tikambirana m'nkhaniyi.

Choyamba, ndikofunikira kumvetsetsa kuti HPMC ndi chiyani komanso momwe imagwirira ntchito. HPMC ndi chinthu chochokera ku cellulose, polima wachilengedwe wochokera ku matabwa ndi ulusi wa zomera. HPMC imapangidwa pogwiritsa ntchito mankhwala osintha cellulose ndi propylene oxide ndi methyl chloride, zomwe zimawonjezera magulu a hydroxypropyl ndi methyl ku molekyulu ya cellulose. Kusintha kumeneku kumapangitsa HPMC kusungunuka kwambiri m'madzi ndikuyipatsa zinthu zinazake monga kukhuthala, emulsification ndi kusunga madzi.

Kapangidwe ka madzi ka HPMC n'kofunika kwambiri pamakampani omanga, komwe kuwongolera chinyezi n'kofunika kwambiri. HPMC ikawonjezedwa ku zinthu zomangira kapena matope omangira, imapanga filimu yozungulira tinthu ta simenti, zomwe zimachepetsa kulowa kwa madzi. Filimuyi imathandizanso kuchepetsa kutuluka kwa madzi kuchokera mumsanganizo, zomwe zimapatsa simenti nthawi yochulukirapo yothira madzi. Zotsatira zake, zinthu zomangira ndi matope omangira zimakhalabe zonyowa kwa nthawi yayitali, zomwe zimawathandiza kuti azichira bwino ndikukhala ndi mphamvu zambiri.

Kusalala kwa HPMC kumachita gawo lofunika kwambiri pakugwira ntchito kwake kosunga madzi. Kawirikawiri, tinthu ta HPMC tikakhala tating'onoting'ono, mphamvu yosunga madzi imakhala yabwino. Izi zili choncho chifukwa tinthu tating'onoting'ono timakhala ndi malo akuluakulu pamwamba, zomwe zimawathandiza kupanga filimu yayikulu mozungulira tinthu ta simenti. Filimuyi imathandiza kupanga chotchinga pakati pa simenti ndi madzi, zomwe zimachepetsa kulowa kwa madzi mu chisakanizocho. Zotsatira zake, chisakanizocho chimakhalabe chonyowa nthawi yayitali, zomwe zimapangitsa kuti simenti ikhale ndi madzi ambiri komanso kuti matope azitha kuchira.

Koma ndikofunikira kudziwa kuti kusalala kwa HPMC sikuyenera kukhala kokha kuganizira posankha chinthu chosungira madzi. Zinthu zina monga mtundu wa simenti, chiŵerengero cha madzi ndi simenti, kutentha ndi chinyezi zimakhudzanso momwe HPMC imasungira madzi. Chifukwa chake, ndikofunikira kusankha chinthu cha HPMC choyenera kugwiritsidwa ntchito ndi malo omwe chimagwiritsidwa ntchito.

Mwachidule, pali ubwino wambiri wogwiritsa ntchito HPMC ngati chosungira madzi mu zinthu zomangira simenti ndi matope. Kapangidwe kake kosunga madzi kamatsimikizira kuti chisakanizocho chimakhala chonyowa kwa nthawi yayitali, zomwe zimapatsa simenti nthawi yochulukirapo kuti madzi asungunuke ndi matopewo kuti ayambe kusungunuka. Kusalala kwa HPMC ndi chinthu chofunikira chomwe chimakhudza mphamvu yake yosungira madzi, tinthu tating'onoting'ono tikakhala tochepa, ntchito yake imakhala yabwino. Komabe, zinthu zina monga mtundu wa simenti, chiŵerengero cha madzi ndi simenti, kutentha ndi chinyezi ziyeneranso kuganiziridwa posankha chinthu cha HPMC. Ponseponse, kugwiritsa ntchito HPMC ndi njira yabwino kwambiri yowonjezerera magwiridwe antchito ndi moyo wautali wa zipangizo zomangira simenti ndi matope mumakampani omanga.