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Wet-mixed mortar inoreva cementitious material, yakanaka aggregate, admixture, mvura uye zvakasiyana siyana zvinotemerwa zvinoenderana nekuita. Zvinoenderana nechimwe chikamu, mushure mekuyerwa nekusanganiswa muchiteshi chekusanganisa, inotakurwa kuenda kunzvimbo inoshandiswa nerori yekusanganisa. Chengetedza...Verenga zvimwe»
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Iwo marudzi emusanganiswa anowanzo shandiswa mukuvaka yakaoma-musanganiswa dhaka, maitiro avo ekuita, maitiro ekuita, uye simba ravo pakuita kwezvakaoma-musanganiswa zvigadzirwa zvedhaka. Iko kunatsurudzwa kwemaitiro ekuchengetedza mvura akadai se cellulose ether uye starch ether, inodhindwa zvakare...Verenga zvimwe»
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Nekuenderera mberi kwekuenderera mberi kweindasitiri uye kuvandudzwa kwehunyanzvi, kuburikidza nekutanga nekuvandudzwa kwemichina yekufembera dhaka yekunze, tekinoroji yekupfapfaidza uye yekupurasita yakagadziridzwa zvakanyanya munyika yangu mumakore achangopfuura. Mechanical spraying mortar is d...Verenga zvimwe»
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1. Zuva nezuva chemikemikari giredhi hydroxypropyl methylcellulose instant type ichena kana kuti zvishoma yakatsvuka hupfu, uye haina hwema, isinganakidze uye haina chepfu. Inogona kunyungudutswa mumvura inotonhora uye yakasanganiswa solvent ye organic matter kuti iite yakajeka viscous mhinduro. Iyo aqueous solution ine pamusoro...Verenga zvimwe»
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Hydroxyethyl cellulose (HEC) ichena kana kujeka yero, isinganhuhwi, isina chepfu fibrous kana upfu. Iyo inogadzirwa nemarara edonje mbishi kana yakanatswa pulp yakanyikwa mu30% liquid caustic soda. Mushure mehafu yeawa, inotorwa uye yakatsikirirwa. Svina kusvika chiyero chemvura yealkaline chasvika 1: 2.8, ipapo ...Verenga zvimwe»
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1. Ndeapi mabasa eredispersible latex powder mudhaka? Mhinduro: Iyo redispersible latex powder inoumbwa mushure mekupararira uye inoita sechipiri chekunamatira kuti chiwedzere chisungo; iyo inodzivirira colloid inotorwa nedhaka system (haizonzi ichaparadzwa mushure mekuumbwa. Kana dis...Verenga zvimwe»
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Wet-musanganiswa dhaka simende, yakanaka aggregate, musanganiswa, mvura uye akasiyana mativi akatemerwa maererano nekuita. Zvinoenderana nechimwe chikamu, mushure mekuyerwa nekusanganiswa muchiteshi chekusanganisa, chinotakurwa kuenda kunzvimbo inoshandiswa nerori yemusanganiswa, uye kuiswa mune yakakosha Iyo inonyorova ...Verenga zvimwe»
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Admixtures inoita basa rakakosha mukuvandudza mashandiro ekuvaka dhaka rakaoma-yakasanganiswa, asi kuwedzera kwedhaka rakasanganiswa-yakasanganiswa kunoita kuti mutengo wezvigadzirwa zvedhaka wakaoma-musanganiswa wakakwira zvakanyanya kupfuura iwo echinyakare dhaka, iyo inoverengera inopfuura 40% ye mutengo wezvinhu mune yakaoma-yakasanganiswa ...Verenga zvimwe»
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Hydroxypropyl methylcellulose inogadzirwa kubva kune yakachena kwazvo donje cellulose kuburikidza neyakakosha etherification pasi pemamiriro ealkaline, uye maitiro ese anopedzwa pasi pekutarisa otomatiki. Iyo isinganyungudike muether, acetone uye absolute ethanol, uye inozvimba kuita yakajeka kana kuti ine makore zvishoma ...Verenga zvimwe»
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Imwe chiyero che hydroxypropyl methylcellulose ether inochengeta mvura mudhaka kwenguva yakakwana kuti ikurudzire kuenderera kwe hydration ye simenti uye kuvandudza kunamatira pakati pedhaka ne substrate. Mhedzisiro yeParticle Saizi uye Kusanganisa Nguva yeHydroxypropyl Methyl Cellulose Ether ...Verenga zvimwe»
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Cellulose ether imhando yemasikirwo epolymer yakatorwa zvinhu, ine maitiro emulsification uye kumiswa. Pakati pemhando dzakawanda, HPMC ndiyo ine yakanyanya kubuda uye inoshandiswa zvakanyanya, uye kubuda kwayo kuri kuwedzera nekukurumidza. Mumakore achangopfuura, nekuda kwekukura kwe ...Verenga zvimwe»
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Hydroxypropyl methylcellulose (HPMC) isiri-ionic cellulose ether yakagadzirwa kubva kune yakasikwa polymer material cellulose kuburikidza nehurongwa hwemakemikari maitiro. Ihwo hupfu husina kunhuwa, husina muchetura uye husina chepfu hunoita hupfu hwakachena kana husina makore hushoma hwe colloidal mumvura inotonhora. Iine t...Verenga zvimwe»