HydroxyTHETHELELcellose (HEC) chikamu chakasiyana uye chinobudirira chakashandiswa zvakanyanya mune dzakasiyana maindasitiri. Iyi compound inotorwa kubva ku cellulose, iyo yepamhepo polymer inowanikwa mune yakakura yakawanda mumasango masero emadziro. HERE yakasarudzika zvinhu zvinoita kuti ive yakakodzera kuti iite zvinhu zvakasiyana siyana, kubva pazvinhu zvekutarisira zvega kune zvigadzirwa zveindasitiri.
Cellulose Overview
Cellulose ndeye yakaomarara carbohydrate inoumbwa yemaketani emutsetse weglucose mamorekuru akabatana ne β -,4-gollsidic zvisungo. Ichi chikamu chikuru chechimiro chemadziro emasero emasero, uchipa kuomarara uye simba kune masendimita. Nekudaro, chimiro chayo cheNative haina kujekesa uye ine mashoma mashandiro emamwe maapplication.
cellulose detivatives
Kuti uwedzere kusimudzira mashandiro emasero, akasiyana-siyana anotsanangurwa akakwenenzverwa nekuchinja chimiro chayo. Imwe yakadaro inobva hydroxyethyl cellulose (Hec), mune iyo hydroxyt mapoka anounzwa muCellulose Backbone. Uku kushandurwa kunopa hecus yakasarudzika zvivakwa, zvichiita kuti ive svutugadzike mumvura uye inoshanda kwazvo sediki.
Maficha ehec
Solubility
Imwe yehunhu hombe yehec ndeyekunyora kwayo kwemvura. Kusiyana neyechivanhu cellulose, hec ichipaza nyore mumvura, achigadzira mhinduro yakajeka. Iyi solubility inoita kuti zvive nyore kubatanidza mune dzakasiyana siyana mafambiro.
Rheological Properties
HEC inoratidza pseudoplastic kana sheare-yakaonda maitiro, zvichireva kuti viscosity yayo inoderera pasi pekushushikana uye inowedzera zvakare mushure mekushushikana. Iyi rheology iri kutsoropodza mashandisirwo ayo anoda kureruka kwekupararira kana kudururira, sekushandiswa kwemapendi, zvinonamatira uye zvigadzirwa zvega zvega.
ph kugadzikana
Hec yakagadzikana pamusoro peiyo preff svuzi, ichiita kuti iite kuti ishandiswe mune acidic, isina kwayakarerekera uye alkaline mafomu. Izvi zvinopesana zvakakonzera kuyamwiswa kwaro muindasitiri akasiyana siyana kusanganisira cosmetics, mishonga uye chikafu.
Zvikumbiro zveAC
Zvigadzirwa zvega zvega
Shampoos uye Andersers: HEC inowanzoshandiswa kune akamanikana bvudzi rekuchengetedza zvigadzirwa, kupa yakakodzera viscosity uye kugadzirisa mwero wakazara.
Makiromita uye marara: Mufashoni ekuchengetedza ganda, hec inobatsira kuzadzisa kuwirirana kwaunoda uye kunowedzera kupararira kwemakirimu uye marara.
Mazino: its pseudoplastic maitiro anofambisa mazino mafomu anobvumidza kugoverwa nyore uye kupararira panguva yekugezesa.
Pendi uye hukuru
LATEX Pendi: Hec inobatsira kuwedzera iyo viscosity uye kugadzikana kweLatex Paint, Kuverengera kunyange kunyorera pamusoro pechiso.
MaAinhesives: Mune anamatira mafomu, hec anobatsira kudzora viscosity uye kugadzirisa zvinhu zvekubatanidza.
zvinodhaka
Kumiswa kweMuromo: HEC inoshandiswa kuremadza yemuromo yemuromo kuti ipe fomu yakagadzikana uye yakajeka yeiyo mishonga yemishonga.
Gelial Gelil: Iyo Solubility yeHEC mumvura inoita kuti iite yakakodzera gadziriso dzepamusoro, dzinoita kuti gadziriswe zvekushandisa uye kusimuka.
Indasitiri yechikafu
Sosi uye Kupfeka: HEC inoshandiswa kudzikisira mashekero uye kupfeka, kuvandudza iwo maitiro avo uye muromo.
Zvigadzirwa zvakabikwa: Mune mamwe mabhegi ekubheka, hec anobatsira mabhatiri akakomberedzwa uye mukanyiwa.
Kugadzirwa uye mhando yekudzora
Synthesis
Hec inowanzogadzirwa nekuregererwa kwemheremalose ine ethylene oxide mumamiriro ezvinhu anodzorwa. Dhigirii rekutsiva
QC
Hunhu hwekudzora matanho akakosha kuti uve nechokwadi chekusarongeka kuita hec mune dzakasiyana siyana dzekushandisa. Paramita dzakadai semaficha suremu, dhigirii rekutsiva uye kuchena zvinonyatsotariswa panguva yekugadzira maitiro.
Kufunga kwezvakatipoteredza
Sezvinei ne chero makemikari akaomesesa, zvinhu zvakatipoteredza zvakakosha. Hec inotorwa kubva ku cellulose uye inoshamisa yakawanda bioderadable kupfuura mamwe manhamba ekugadzira. Nekudaro, zvakakosha kufunga nezve zvakazara zvemamiriro ekunze kwekugadzirwa kwayo uye kushandiswa mune zvakasarudzika zvinoshandiswa.
mumhedziso
Mune pfupiso, hydroxythylcellose (hec) inomira kunze seinoshanda uye zviitiko zvinoshandiswa zvinoshanda nezvinwi zvekushandisa pane akawanda maindasitiri. Zvivakwa zvayo zvakasarudzika, kusanganisira kusarudzika kwemvura, maitiro eReological uye pH kugadzikana, ita chinhu chakakosha chakasiyana mumhando dzakasiyana siyana dzechigadzirwa. Maindasitiri achiramba achitsvaga zvakatipoteredza dzimwe nzira dzenzvimbo, dzimba dzaHec's Bioderable zvivakwa zvinobva pakudyara cellulose ita sarudzo inosimbisa yezvinhu zvakasiyana siyana. Kuenderera mberi nekutsvaga uye kuwanda kwemasangano
Kutumira Nguva: Dec-02-2023