Hydroxyethylcellulose (HEC) chinhu chinogocha chinoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana. Chinhu ichi chinobva ku cellulose, polymer yechisikigo inowanikwa yakawanda mumadziro emasero emiti. Hunhu hwayo hwakasiyana hunoita kuti ive yakanaka pakugocha zvigadzirwa zvakasiyana-siyana, kubva kuzvigadzirwa zvekuchengetedza muviri kusvika kumagadzirirwo emaindasitiri.
Pfupiso yeCellulose
Cellulose ikabhohaidhiretsi yakaoma inoumbwa nemaketani akatsetseka emamorekuru eglucose akabatana ne β-1,4-glycosidic bonds. Ndiyo chikamu chikuru chemadziro emasero emiti, ichipa kuomarara uye simba kumasero emiti. Zvisinei, chimiro chayo chepakutanga hachinyungudike uye chine mashandiro mashoma kune mamwe mashandisirwo.
zvinobva mu cellulose
Kuti cellulose ishande zvakanaka, zvinhu zvakasiyana-siyana zvakagadzirwa nekuchinja chimiro chayo. Chimwe chezvinhu zvakadaro chinonzi hydroxyethyl cellulose (HEC), umo mapoka ehydroxyethyl anoiswa mumusana we cellulose. Kugadziriswa uku kunoita kuti HEC ive nehunhu hwakasiyana, zvichiita kuti inyunguduke mumvura uye ishande zvakanaka semuchina wekukora.
Zvinhu zveHEC
Kunyunguduka
Chimwe chezvinhu zvikuru zvinoumba HEC ndiko kunyungudika kwayo mumvura. Kusiyana ne cellulose yechisikigo, HEC inonyungudika nyore nyore mumvura, zvichiita mhinduro yakajeka. Kunyungudika uku kunoita kuti zvive nyore kuisa mumhando dzakasiyana-siyana dzemakemikari.
Hunhu hweRheological
HEC inoratidza maitiro ekugadzira purasitiki kana kuti kuita kuti iome, zvichireva kuti kusimba kwayo kunoderera kana yave kurema uye kunowedzera zvakare mushure mekunge yapera. Iyi rheology yakakosha pakushandisa kunoda kupararira kana kudurura zviri nyore, zvakaita sekugadzira pendi, zvinonamira uye zvigadzirwa zvekuchengetedza munhu.
kugadzikana kwepH
HEC yakagadzikana pahuwandu hwakakura hwepH, zvichiita kuti ikodzere kushandiswa mumafuta ane acidic, neutral uye alkaline. Kuchinja-chinja uku kwakabatsira kuti ishandiswe zvakanyanya mumaindasitiri akasiyana-siyana anosanganisira zvizoro, mishonga yemishonga nechikafu.
Mashandisirwo eHEC
zvigadzirwa zvekuchengetedza muviri
Mashampoos neConditioners: HEC inowanzo shandiswa kukora zvigadzirwa zvekuchengetedza bvudzi, zvichipa kunaka kwakakwana uye kuvandudza magadzirirwo azvo.
Makirimu neMarosheni: Mumishonga yekuchengetedza ganda, HEC inobatsira kuwana kurongeka kwaunoda uye inowedzera kupararira kwemakirimu nemafuta.
Mushonga wemazino: Maitiro awo ekunyepedzera epurasitiki anoita kuti zvive nyore kuaparadzira uye kuaparadzira panguva yekukwesha mazino.
Pendi uye Mapendi
Pendi yeLatex: HEC inobatsira kuwedzera kusimba uye kusimba kwependi yeLatex, zvichiita kuti ishandiswe zvakaenzana pamusoro.
Zvinonamira: Mumafomura ekunamira, HEC inobatsira kudzora kusviba uye kuvandudza hunhu hwekubatanidza.
mushonga
Mishonga Inomiswa Nemuromo: HEC inoshandiswa kuomesa mishonga inomiswa nemuromo kuti ipe chimiro chakasimba uye chinonaka chemushonga.
Magel epamusoro: Kunyungudika kweHEC mumvura kunoita kuti ive yakakodzera kugadzira magel epamusoro, zvichiita kuti zvive nyore kushandisa uye kunyudzwa.
indasitiri yezvekudya
Masosi nemidziyo yekushongedza: HEC inoshandiswa kukora masosi nemidziyo yekushongedza, zvichivandudza magadzirirwo awo uye kunzwa kwemuromo.
Zvigadzirwa Zvakabikwa: Mune mamwe mabikirwo ekubika, HEC inobatsira kukora mabhata neupfu.
Kugadzira uye kudzora mhando
kugadzira
HEC inowanzo gadzirwa ne etherification ye cellulose ne ethylene oxide mumamiriro ezvinhu akadzorwa. Dhigirii rekutsiva (DS) reboka re hydroxyethyl rinogona kugadziriswa panguva yekugadzira, nokudaro zvichikanganisa kushanda kwekupedzisira kweHEC.
QC
Matanho ekudzora hunhu akakosha kuti HEC ishande zvakanaka mumabasa akasiyana-siyana. Zvinhu zvakaita sehuremu hwemamorekuru, mwero wekutsiva uye kuchena zvinotariswa zvakanaka panguva yekugadzira.
kufunga nezvezvakatipoteredza
Sezvinoita chero kemikari, zvinhu zvakatipoteredza zvakakosha. HEC inobva mu cellulose uye inogona kuora zvakanyanya kupfuura zvimwe zvinosimbisa kugadzirwa kwayo. Zvisinei, zvakakosha kufunga nezvemhedzisiro yekugadzirwa kwayo nekushandiswa kwayo munzvimbo dzakasiyana siyana.
mukupedzisa
Muchidimbu, hydroxyethylcellulose (HEC) inoonekwa semushonga unoshanda uye unochinjika unoshandiswa mumaindasitiri akasiyana-siyana. Hunhu hwayo hwakasiyana, kusanganisira kunyungudika kwemvura, maitiro e rheological uye kugadzikana kwe pH, zvinoita kuti ive chinhu chakakosha mumhando dzakasiyana dzezvigadzirwa. Sezvo maindasitiri achiramba achitsvaga dzimwe nzira dzisingakuvadzi nharaunda, hunhu hweHEC hunoora hunobva mu cellulose yezvirimwa hunoita kuti ive sarudzo inogara kwenguva refu yekushandiswa kwakasiyana-siyana. Kuenderera mberi nekutsvaga nekugadzira zvinhu zvitsva mu cellulose derivatives dzakadai seHEC kunogona kutungamira kukufambira mberi, zvichipa kushanda kwepamusoro uye kudzikira kwekukanganisa kwezvakatipoteredza.
Nguva yekutumira: Zvita-02-2023