Gutanga HydroxyAythyl Cellulose (HEC) bikubiyemo urukurikirane rw'ibitekerezo bya chimique kugirango uhindure selile, polymer karemano ikomoka ku bimera. HEC ikoreshwa cyane mu nganda zinyuranye, harimo imiti, kwisiga, ibiryo, no kubaka, kubera kubyimba, guturika, no gutuma amazi.
Intangiriro Kuri HydroxyEthyyl Cellulose (HEC)
Hydroxyyeryl selile (HEC) ni polymer itari ionic, ikomanga y'amazi yatunganijwe na selile binyuze muri selile binyuze mu guhindura imiti. Bikoreshwa cyane nko kubyimba, gutengurira, no guharanira inyungu mu nganda zitandukanye.
Ibikoresho fatizo
Cellulose: Ibikoresho byibanze byumusaruro wa HeC. Cekwix irashobora gutangwa mubikoresho bitandukanye bishingiye ku gihingwa nk'ibiti, ipamba, cyangwa ibisigazwa by'ubuhinzi.
EGO Oxide (EO): Imiti yingenzi yakoreshejwe mu kumenyekanisha hydroxyyerthyl matsinda ya selile.
Alkali: mubisanzwe sodium hydroxide (naoh) cyangwa potasiyumu hydroxide (koh) ikoreshwa nkumusemburo mubisubizo.
Inzira yo gukora
Umusaruro wa Hec urimo gutandukanya selile hamwe na ethylene okide iyobowe na alkaline.
Intambwe zikurikira zerekana inzira:
1. Mbere yo kuvura selile
Cekwirewe kubanza kwezwa gukuraho umwanda nka Ligiri, Hemicurullese, nibindi bikurura. Ubumwe bwa selile byerekanwe noneho bumishwa ahantu hahuje ubushuhe.
2. Rethemic reaction
Gutegura igisubizo cya alkaline: igisubizo cyanyuma cya sodium hydroxide (naoh) cyangwa potasinide hydroxide (Koh) irategurwa. Kwibanda ku gisubizo cya Alkali ni kunegura kandi bigomba guhitamo bitewe no kurenganurwa (DS) kubicuruzwa byanyuma.
Gutegura: kwezwa na selile ikwirakwizwa mubisubizo bya alkali. Uruvange rushyuha ku bushyuhe bwihariye, mubisanzwe hafi ya 50-70 ° C, kugirango ubutugo bubyimbye rwose kandi bugere kubisubizo.
Ongeraho oxide of oflene (eo): EO Oxide (EO) yongeweho buhoro buhoro kugirango ukomeze ubushyuhe no kubyutsa ubudahwema. Imyitwarire irashize, bityo kugenzura ubushyuhe ni ngombwa kugirango wirinde gushyuha.
Gukurikirana isubiramo: Iterambere ryibisubizo rikurikiranwa no gusesengura ingero mugihe gisanzwe. Tekinike nka enterineti-ihinduranya inzererezi (DIRR) irashobora gukoreshwa mukumenya urwego rwo gusimbuza (DS) rwitsinda rya hydroxyyerythy kuri selile.
Kutabogama no gukaraba: Iyo ds yifuzwa iragerwaho, reaction irazimye mugukuramo igisubizo cya alkaline hamwe na aside, mubisanzwe aside. HEC yavuyemo noneho yogejwe neza namazi kugirango akureho reagents idasubirwaho numwanda.
3. Kwezwa no gukama
Wec yogejwe irahanagusunganijwe binyuze mu kurwara cyangwa centrifugation kugirango ikureho umwanda usigaye. HOC isukuye isuku noneho yumye kubirimo byihariye kugirango ubone ibicuruzwa byanyuma.
Igenzura ryiza
Igenzura ryiza ningirakamaro murwego rwo kubyara kugirango hakemurwe kandi ubuziranenge bwibicuruzwa byanyuma. Ibipimo by'ingenzi byo gukurikirana birimo:
Urwego rwo gusimbuza (DS)
Vicosity
Ibirimo
pH
Ubuziranenge (kubura abanduye)
Ubuhanga bwo gusesengura nka FTRIR, ibipimo byasurumo, hamwe nisesengura ryingenzi bikoreshwa mugucunga ubuziranenge.
Porogaramu ya HydroxyAythyl Cellulose (HEC)
HEC isanga porogaramu mu nganda zinyuranye kubera imitungo yacyo itandukanye:
Ibikoresho bya faruzi: Byakoreshejwe nkumukozi wijimye mu guhagarikwa mu kanwa, ibiterankunga byingenzi, no kugenzurwa-bigenzurwa-birekurwa.
Kwisiga: Bisanzwe bikoreshwa muri cream, amavuta, na shampoos nkigituba nigitanda.
Ibiryo: byongewe kubicuruzwa nkibibyimba kandi bireba umugezi, Emulsifuer, na stabilizeri.
Kubaka: ikoreshwa mu mico ishingiye ku mico n'imbaraga zo kunoza ibikorwa no kugumana amazi.
Ibidukikije n'umutekano
Ingaruka y'ibidukikije: Umusaruro wa HEC urimo gukoresha imiti nka ethyne okiside na alkalis, bishobora kugira ingaruka zishingiye ku bidukikije. Gucunga imyanda neza no gukurikiza amabwiriza ni ngombwa kugirango tugabanye ingaruka zishingiye ku bidukikije.
Umutekano: Oxide oxide ni gaze ya gaze ikomeye kandi yaka, yifotoza umutekano mugihe cyo gufata no kubika. Guhumeka bihagije, ibikoresho birindaga (PPE), hamwe na protocole yumutekano irakenewe kugirango umutekano ukemurwe.
HydroxyAythyl Cellulose (HEC) ni polymer y'agaciro hamwe no gusaba bitandukanye mu nganda ziva muri farumasi mu kubaka. Umusaruro wacyo urimo gutandukanya selile hamwe na ethylene oxide yimiterere ya alkaline. Ingamba zo kugenzura ubuziranenge ningirakamaro kugirango habeho gushikama no kweza ibicuruzwa byanyuma. Ibishushanyo mbonera n'umutekano bigomba no gukemurwa muri byose umusaruro. Ukurikije inzira zikwiye na protocole, HEC irashobora gukorwa neza mugihe igabanya ingaruka zishingiye ku bidukikije no kurinda umutekano w'akazi.
Iki gitabo cyuzuye gikubiyemo inzira yumusaruro wa hydroxyyethyl selile (HEC) birambuye, uhereye kubikoresho bibisi kugenzura ubuziranenge na porogaramu, gutanga ibisobanuro byuzuye kubikorwa bya Polymer byingenzi.
Kohereza Igihe: APR-10-2024