Cellulose ether yakakurumbira kubva kune yakasikwa cellulose, iyo inoshanda sechinhu chinoshamisa mbishi kune akasiyana maindasitiri. Iyi komisheni inosiyana-siyana inowana kushandiswa kwakakura mumhando dzakasiyana dzekushandisa, nekuda kwehunhu hwayo hwakanaka uye hunhu. Pakati pemhando dzakasiyana dze cellulose ethers dziripo, mbiri dzakatanhamara dzinoti hydroxypropyl methylcellulose (HPMC) uye hydroxyethyl methylcellulose (HEMC). Muchikamu chino, tichaongorora zvakadzama mukuongorora kwakadzama kwekuita uye kushandiswa kwe cellulose ether, nekutarisa zvakanyanya paHPMC neHEMC.
Imwe yemabhenefiti akakosha e cellulose ether inotorwa kubva kune yakasarudzika cellulose ndeye yakasarudzika firimu-kugadzira uye inonamira zvimiro. Nekuda kwehuremu hwayo hwemamorekuru uye kuvapo kwezvinotsiva senge hydroxypropyl kana hydroxyethyl mapoka, inoratidza kusimudzira kugona kwekunamatira. Izvi zvinoita kuti ive sarudzo yakanaka yezvishandiso muindasitiri yekuvaka, kusanganisira yekunamira mataira, simende-based plasters, uye self-leveling makomisheni. Iyo firimu-inogadzira pfuma ye cellulose ether inosungirirwawo mukugadzirwa kwepende, sezvo inopa kunaka kwakanaka uye kuenderana kune iyo yekupfeka.
Uyezve, cellulose ether ine yakanakisa kuchengetedza mvura maitiro, zvichiita kuti ive yakakosha mumunda wezvigadzirwa zvekuchengeta. HPMC neHEMC zvinowanzo shandiswa sezvimiro muzvizoro, zvigadzirwa zvekuchengetedza ganda, uye magadzirirwo ekuchengeta bvudzi. Zvinhu zvavo zvekuchengetedza mvura zvinovimbisa kuti zvigadzirwa zvinoramba zvakagadzikana uye zvichinyorova, nokudaro zvichiwedzera kushanda kwavo.
Kunze kwekuchengetwa kwemvura, iyo thermal gelation property ye cellulose ether ndechimwe chinhu chakakosha chinowana maapplication akawanda. Kana ichipisa, HPMC neHEMC inopinda sol-gel chikamu shanduko, kushandura kubva kumvura kusvika kune gel. Hunhu uhu hunoshandiswa muindasitiri yemishonga, kwaanoshandiswa seanokora uye mabhaidha mukugadzirwa kwemapiritsi. Iyo gelling maitiro e cellulose ether inovimbisa kudzorwa kusunungurwa kwezvinhu zvinoshanda uye inovandudza kugadzikana kwese kwemapiritsi.
Chimwe chinhu chinocherechedzwa che cellulose ether ndiko kuenderana kwayo kwakanyanya nemamwe macompound. Inogona kusanganiswa nyore nyore nezvinhu zvakasiyana-siyana, kusanganisira mapolymers, starch, uye mapuroteni. Ichi chivakwa chinovhura huwandu hwakasiyana hwemikana yezvakagadzirirwa zvikumbiro mumaindasitiri akasiyana.
Muindasitiri yezvekudya, cellulose ether inoshandiswa seyakagadzikana, emulsifier, uye thickening agent. Nekugona kwayo kuwedzera kunhuhwirira uye kunatsiridza magadzirirwo, inowana maapplication muzvigadzirwa zvemukaka, madhiri, uye masosi. Uyezve, nekuda kwechimiro chayo chisina chepfu uye yakanakisa kugadzira firimu, cellulose ether inoshandiswa zvakanyanya mumidziyo yekurongedza chikafu, ichipa yakachengeteka uye yakagadzikana imwe nzira kune akajairwa epurasitiki mafirimu.
Mukupedzisa, kuongororwa kwakazara kwekuita uye kushandiswa kwe cellulose ether, kunyanya hydroxypropyl methylcellulose (HPMC) uye hydroxyethyl methylcellulose (HEMC), inoratidza kushanda kwayo kunoshamisa. Yakatorwa kubva kune yechisikigo cellulose, cellulose ether inopa akawanda mabhenefiti akadai seakanakisa firimu-kugadzira, anonamira, kuchengetedza mvura, kupisa gelation, uye kuenderana zvivakwa. Izvi zvinoita kuti ive chinhu chinonyanya kukosha mumaindasitiri akasiyana, kubva pakuvaka uye kuzvitarisira pachedu kusvika kumishonga uye chikafu. Sezvo kudiwa kwezvinhu zvinogara uye eco-hushamwari zvichiwedzera, cellulose ether inoramba ichiita basa rakakosha mukugadzirisa zvinodiwa nenharaunda yazvino.
Nguva yekutumira: Zvita-01-2023