Gukora Hydroxyethyl Cellulose

Hydroxyethyl selulose (HEC) isanzwe ikorwa hifashishijwe imiti igenzurwa hagati ya selile na okiside ya Ethylene, ikurikirwa na hydroxyethylation. Inzira ikubiyemo intambwe nyinshi, harimo:

1. Gutegura Cellulose: Igikorwa cyo gukora gitangirana no kwigunga kwa selile kuva ahantu hashobora kuvugururwa nkibiti byimbaho, ibiti by'ipamba, cyangwa ibindi bihingwa. Cellulose isanzwe isukurwa kandi igatunganywa kugirango ikureho umwanda na lignine, bivamo ibintu bya selile nziza cyane.
2. Ethoxylation: Muri iyi ntambwe, ibikoresho bya selile bisukuwe bifatwa na okiside ya Ethylene imbere ya catalizike ya alkaline mugihe cyagenwe. Molekile ya Ethylene yongera mumatsinda ya hydroxyl (-OH) yumurongo wa polymer selile, bigatuma habaho amatsinda ya ethoxy (-OCH2CH2-) mumugongo wa selile.
3. Hydroxyethylation: Nyuma ya ethoxylation, selile ya ethoxylated yongeye gukoreshwa na okiside ya Ethylene na alkali mugihe cyagenwe kugirango yinjize hydroxyethyl (-OCH2CH2OH) mumatsinda ya selile. Iyi hydroxyethylation reaction ihindura imiterere ya selile, itanga amazi ya hydrophilicity kuri polymer.
4. Kweza no Kuma: Hydroxyethylated selulose noneho isukurwa kugirango ikureho ibisigisigi bisigaye, catalizator, nibindi bicuruzwa biva mu ruvangitirane. HEC isukuye isanzwe yozwa, kuyungurura, no gukama kugirango ibone ifu nziza cyangwa granules ikwiranye nibisabwa bitandukanye.
5. Gutanga amanota no gupakira: Hanyuma, ibicuruzwa bya HEC byashyizwe mu byiciro bitewe n'imiterere yabyo nko kwiyegeranya, ingano y'ibice, n'ubuziranenge. Hanyuma irapakirwa mumifuka, ingoma, cyangwa ibindi bikoresho byo gukwirakwiza no kubika.

Ibikorwa byo gukora birashobora gutandukana gato bitewe nicyiciro cyihariye nibisabwa mubicuruzwa bya HEC, hamwe nuburyo bwo gukora bwibigo. Ingamba zo kugenzura ubuziranenge zikoreshwa muburyo bwo gukora kugirango habeho guhuza, kweza, no gukora ibicuruzwa bya nyuma bya HEC.

HEC ikoreshwa mu nganda zitandukanye, zirimo ubwubatsi, imiti, kwita ku muntu ku giti cye, ndetse n'ibiribwa, kubera kubyimbye, gutuza, no kubika amazi.