Cellulose etherMuenzaniso ipolymer compound yakagadzirwa ne cellulose ine ether structure. Ring yega yega yeglucose iri mu cellulose macromolecule ine mapoka matatu ehydroxyl, boka rekutanga rehydroxyl paatomu yechitanhatu yecarbon, uye boka rechipiri rehydroxyl paatomu yechipiri neyechitatu yecarbon. Hydrogen iri mu hydroxyl group inotsiviwa ne hydrocarbon group kuti igadzire cellulose. Ichi chigadzirwa chekutsiviwa kwe hydroxyl hydrogen ne hydrocarbon group mu cellulose polymer. Cellulose ipolyhydroxy polymer compound isinganyungudike kana kunyungudika. Cellulose inogona kunyungudika mumvura, kunyungudutsa alkali solution uye organic solvent mushure me etherification, uye ine thermoplastic properties.
Cellulose ether izwi rekuti zvigadzirwa zvinogadzirwa nekuita kwealkali cellulose uye etherifying agent pasi pemamwe mamiriro ezvinhu. Alkali cellulose inotsiviwa nezvimwe zvinhu zvinopisa kuti pave ne ether dzakasiyana dze cellulose.
Zvichienderana nehunhu hwe ionization hwezvinhu zvinotsiva, muenzaniso we cellulose ethers unogona kukamurwa kuva ionic (senge carboxymethyl cellulose) uye non-ionic (senge methyl cellulose) mapoka maviri.
Zvichienderana nerudzi rwechinhu chinotsiva,ethers dze celluloseSemuenzaniso, inogona kukamurwa kuita single ether (senge methyl cellulose) uye mixed ether (senge hydroxypropyl methyl cellulose). Zvichienderana nekunyungudika, inogona kukamurwa kuita water soluble (senge hydroxyethyl cellulose) uye organic solvent solubility (senge ethyl cellulose). Dry mixed mortar inonyanya kushandisa water-soluble cellulose, iyo inogona kukamurwa kuita quick-dissolving type uye delayed dissolving type mushure mekugadzirisa pamusoro.
Zvisanganiswa zvine basa guru mukuvandudza hunhu hwedhaka rakasanganiswa nemvura uye zvinopa mari inopfuura 40% yemutengo wezvinhu zviri mudhaka rakasanganiswa nemvura. Chikamu chikuru chezvisanganiswa mumusika wemumba chinopihwa nevagadziri vekune dzimwe nyika, uye chiyero chezvigadzirwa izvi chinopihwawo nevanotengesa. Nekuda kweizvozvo, mutengo wezvigadzirwa zvedhaka rakasanganiswa nemvura unoramba wakakwira, uye zvakaoma kuita kuti dhaka remasonry neplastering zvive zvakawanda uye nzvimbo yakakura. Zvigadzirwa zvepamusoro-soro zvinodzorwa nemakambani ekune dzimwe nyika, vagadziri vedhaka rakaoma vane purofiti yakaderera, mitengo yakaderera; Kushandiswa kwedhaka hakutsvagirwi nehurongwa uye zvakanangana, vanotevera nzira dzekunze vasingafungi.
Chinhu chinochengetedza mvura ndicho chinhu chakakosha pakuvandudza mashandiro emota yakasanganiswa yakaoma uye chimwe chezvinhu zvakakosha pakuona mutengo wemota yakasanganiswa yakaoma. Basa guru re cellulose ether nderekuchengetedza mvura.
Maitiro ekuita kwe cellulose ether mudhaka ndeaya anotevera:
(1) dhaka mu cellulose ether rakanyungudutswa mumvura, nekuti pamusoro pebasa rinoita kuti zvinhu zvakasanganiswa zvive zvakaenzana muhurongwa, uye cellulose ether semhando ye colloid inodzivirira, "package" solid particles, uye pamusoro payo kuti pave nerukoko rwekunyorovesa firimu, slurry system yakagadzikana, uye inovandudza slurry mukusanganisa kwe liquidity uye kuvaka kwe slip kunogonawo.
(2)Cellulose etherMhinduro yacho nekuda kwehunhu hwayo hwemamorekuru, zvekuti mvura iri mudura haisi nyore kurasikirwa nayo, uye inoburitswa zvishoma nezvishoma munguva yakareba, zvichiita kuti dura rirambe richichengetedza mvura zvakanaka uye rishande zvakanaka.
Nguva yekutumira: Kubvumbi-25-2024