Ndezvipi zvakasiyana-siyana zvinokonzerwa ne cellulose yakasiyana pa plaster yeParis?
Zvese zviri zviviri carboxymethyl cellulose nemethyl cellulose zvinogona kushandiswa sezvinhu zvinochengetedza mvura paplaster, asi simba rekuchengetedza mvura recarboxymethyl cellulose rakaderera zvikuru pane remethyl cellulose, uye carboxymethyl cellulose ine sodium salt, saka haina kukodzera plaster yeparis. Ine simba rekudzora uye inoderedza simba replaster yeparis. Methyl cellulose musanganiswa wakakodzera wezvinhu zvinosimbisa gypsum zvinosanganisa kuchengetedza mvura, kukora, kusimbisa, uye kusvina, kunze kwekuti mamwe marudzi ane simba rekudzora kana dose yacho yakakura kupfuura carboxymethyl cellulose. Nekuda kwechikonzero ichi, zvinhu zvakawanda zve gypsum composite gelling zvinoshandisa nzira yekubatanidza.carboxymethyl celluloseuyemethyl cellulose, izvo zvisingangoshandisi hunhu hwazvo chete (sekudzora kwe carboxymethyl cellulose, kusimbisa kwe methyl cellulose), uye zvine zvazvakanakira zvakafanana (sekudzora kwemvura uye kukora kwayo). Nenzira iyi, mashandiro ekuchengetedza mvura e gypsum cementitious material pamwe nekushanda kwakakwana kwe gypsum cementitious material zvinogona kuvandudzwa, nepo kuwedzera kwemutengo kuchichengetwa padanho rakaderera.
Kukosha kwe methyl cellulose ether pakugadzira gypsum mortar kwakakosha sei?
Kupenya kwesimbi chinhu chakakosha pakushanda kwemethyl cellulose ether.
Kazhinji, kana viscosity yakakwira, zvinoita kuti gypsum mortar irambe ichichengetedza mvura. Zvisinei, viscosity yakakwira, huremu hwe methyl cellulose ether hunowedzera, uye kudzikira kwekunyungudika kwayo kuchaita kuti simba remortar riwedzere uye kugadzirwa kwayo. Viscosity yakakwira, zvinoita kuti torque iwedzere kusimba, asi haina kuenzana zvakananga. Viscosity yakakwira, ndipo pachava neviscosity yakawanda. Panguva yekuvaka, inoratidzwa seyakabatana ne scraper uye ine glue yakakwira kune substrate. Asi hazvibatsiri kuwedzera simba remortar yakanyorova pachayo. Pamusoro pezvo, panguva yekuvaka, anti-sag performance yemortar yakanyorova haisi pachena. Kusiyana neizvi, mamwe ma viscosity epakati nepasi asi akagadziriswa methyl cellulose ethers ane mashandiro akanaka mukuvandudza simba remortar yakanyorova.
Kukosha kwe ether ye cellulose kunokosha zvakadii padhaka?
Kupfava zvakare chiratidzo chakakosha chekushanda kwemethyl cellulose ether. Iyo MC inoshandiswa pakugadzira dry powder mortar inofanirwa kuve upfu hune mvura shoma, uye kupfava kwayo kunodawo 20% kusvika 60% yehukuru hwe particle kuti ive pasi pe63m. Kupfava uku kunokanganisa kunyungudika kwemethyl cellulose ether. Coarse MC inowanzo kuve granular, iyo iri nyore kupararira nekunyungudika mumvura isina agglomeration, asi mwero wekunyungudika unononoka, saka haina kukodzera kushandiswa mudry powder mortar. Zvimwe zvigadzirwa zvemumba zvinoputika, hazvisi nyore kuparadzira nekunyungudika mumvura, uye zviri nyore kuunganidza. Mudry powder mortar, MC inoparadzirwa pakati pezvinhu zve cementing zvakaita se aggregate, fine filler nesimende, uye upfu hwakakwana chete hunogona kudzivirira methyl cellulose ether agglomeration kana ichisanganiswa nemvura. Kana MC ikawedzerwa nemvura kuti inyungudike agglomerates, zvakaoma zvikuru kuparadzira nekunyungudika.MCHazvingoparadzi chete, asi zvinoderedzawo simba remuchina wekugadzira. Kana muchina wekugadzira wakadaro weupfu hwakaoma ukashandiswa munzvimbo yakakura, kumhanya kwemuchina wekugadzira ...
Kupfava kweMC kunewo mhedzisiro yakati pakuchengetedza mvura. Kazhinji, kune ethers dzemethyl cellulose dzine viscosity yakafanana asi kupfava kwakasiyana, kana huwandu hwacho hwakawedzerwa, kupfava kwakanyanya ndiko kuri nani kuchengetedza mvura.
Nguva yekutumira: Kubvumbi-25-2024