Ubudotu bwa selile ni ibintu byingenzi byo kubaka, bikoreshwa cyane mukubaka minisiteri, ifu, gukinisha nibindi bicuruzwa kugirango binoze imitungo yumubiri nibikorwa byubwubatsi bwibikoresho. Ibice byingenzi bya selile birimo imiterere yibanze hamwe nabasimbuye byatangijwe no guhindura imiti, bitanga umwihariko, kubyimba, kugumana amazi hamwe nimitungo yuburyo.
1. Imiterere fatizo
Cellulose nimwe mubantu benshi muri rusange muri kamere, bakomoka ahanini kuri fibre. Nibice byingenzi bya selile ether kandi bigena imiterere yibanze. Molekile ya Cellkele igizwe na glucose ibice bya glucose bihujwe na β-1,4-glycosic yo gukora imiterere ndende. Iyi mirongo imiterere iha selile imbaraga nyinshi nuburemere bukomeye bwa molekile, ariko kukesha mumazi ni umukene. Kugirango utezimbere amazi yo kumererwa kwa selile no kumenyera ibikenewe byo kubaka, itutu na selile bigomba guhinduka imitima.
2. Abasimbuye-Ibigize Ibyingenzi Bya Gutsindira
Umutungo wihariye wa elithel wangijwe ahanini nabasimbuye bigerwaho nabasimbuye bashyizwe hagati yitsinda rya hydroxyl (-Oh) rya selile nibice byanyuma. Abasimbuza abasimbuye barimo uburyo (-och₃), ethoxy (-oc₂h₅) na hydroxyPropyl (-ch₂choh₃). Iriburiro ryabasimbuye rihindura ibibazo, kubyimba no kugumana amazi. According to the different introduced substituents, cellulose ethers can be divided into methyl cellulose (MC), hydroxyethyl cellulose (HEC), hydroxypropyl methyl cellulose (HPMC) and other types.
Methyl selile (MC): Methyl selile yashizweho mu kumenyekanisha Methyl Abasimbuye Methyl (-AHch₃) mu matsinda ya hydroxyl muri molekile. Iyi selile ether ifite amazi meza no kubyinika imitungo kandi ikoreshwa cyane muri minisiteri yumye, ahimbye no kurera. MC ifite inyemerere z'amazi kandi ifasha kugabanya gutakaza amazi mu bikoresho byo kubaka, menyesha izoro n'imbaraga za minisiteri na prowder ifu.
HydroxyAythyl Cellulose (HEC): HydroxyAbleyl selile yashizweho mu kumenyekanisha hydroxyyerl. HEC ikunze gukoreshwa mu mazi ashingiye ku mazi, irangi ya latex no kubaka inyongeramu. Ifite imitungo myiza kandi ikora firime kandi irashobora kunoza uburyo bwo kubaka ibikoresho.
HydroxyPropyl MethylcellAllLese (HPMC): hydroxyPropyl methylcellse ikozwe na icyarimwe itangizwa rya hydroxyPropyl (-ch₂choh₃) na methyl. Ubu bwoko bwa selile ether bigaragariza amazi meza, amavuta no kubifata mubikoresho byubaka nka farume yumye, tile imeza, hamwe na sisitemu yo kwigomeka. HPMC ifite kandi imbaraga zubushyuhe nuburinganire bwikonje, bityo birashobora kunoza imikorere yibikoresho byubaka mubihe bikabije.
3. Amazi yoroheje no kubyimba
Amazi yoroheje ya selile ya ether biterwa nubwoko nurwego rwo gusimbuza abasimbuye (ni ukuvuga umubare wamatsinda ya hydroxy wasimbujwe kuri buri gice cya glucose). Urwego rukwiye rwo gusimbuza rushoboza molekile ya selile kugirango ikore igisubizo kimwe mumazi, gitanga imitungo myiza yijimye. Mu bikoresho byo kubaka, abatanga selile nkabarimbyi barashobora kongera virusi ya minisiteri, birinda gutsindwa no gutandukanya ibikoresho, bityo batezimbere imikorere yubwubatsi.
4. Kugumana amazi
Kugumana amazi ya selile ni ngombwa kurwego rwibikoresho byubaka. Mubicuruzwa nka minisiteri na proverfe, ether irashobora gukora film yo mumazi meza hejuru yibikoresho kugirango wirinde amazi guhumeka vuba, bityo ukingurire umwanya. Ibi bigira uruhare runini mugutezimbere imbaraga no gukumira gucika.
5. REOOLOLY NA GAHUNDA N'IMIKORESHEREZE
Ongeraho selile ether itezimbere cyane ibintu byimiterere yibikoresho byubaka ibikoresho byubaka, ni ukuvuga imyitwarire yibikoresho hamwe nimbaraga zo hanze. Irashobora kunoza ihohoterwa ryamazi no gukinisha minisiteri, byongera igihagararo no koroshya kubaka ibikoresho. Mubikorwa byubaka nko gutera, gusiba no mububiko, ether bifasha kugabanya no kunoza imikorere mibi, mugihe hazagumana imbaraga zakazi, mugihe cyemeza ko yambaye imyenda imwe ntaguswera.
6. Guhuza no kurengera ibidukikije
Uburenganzira bwa Cellulose buhuza neza nibikoresho bitandukanye byubaka, harimo na sima, Gypsum, Lime, ntabwo yitwara nabi, ntabwo yitwara nabi, ntabwo izakirana nabi ibindi bikoresho kugirango habeho umutekano wibikoresho. Byongeye kandi, ether ether ni icyatsi kibisi kandi gikomoka muri ikinyabuzima, gikomoka muri fibre karemano, ntacyo kitwaye kubidukikije, no guhura nibisabwa kurinda ibikoresho bigezweho.
7. Ibindi bikoresho byahinduwe
Kugirango ugere kunoza imikorere ya selile ether, ibindi bintu byahinduwe birashobora gutangizwa muburyo nyabwo. Kurugero, abakora bamwe bazamura itandukaniro ryamazi no kurwanya ikirere byakagombye kwiyongera hamwe na silicone, paraffin nibindi bintu. Ongeraho ibi bintu byahinduwe mubisanzwe kugirango wuzuze ibisabwa byihariye bisabwe, nko kongera ibintu bifatika kandi biramba byurukuta rwo hanze cyangwa miri ya minisiteri y'amazi.
Nkigice cyingenzi mubikoresho byubaka, ether ether ifite imitungo myinshi, harimo kubyimba, kugumana amazi, no kuzamura ibintu byimiterere. Ibice byayo nyamukuru nimiterere ya selile hamwe nabasimbuye bitangizwa na reaction yabuze. Ubwoko butandukanye bwa bahanga muri selile bafite ibyifuzo nibikorwa bitandukanye mubikoresho byubaka bitewe no gutandukana mubasimbuye. Abahanga ba Cellulose ntibashobora kunoza gusa imikorere yibikoresho, ariko nanone kunoza ubuziranenge bwubuzima rusange nubuzima bwinyubako. Kubwibyo, bahanganye na selile bafite ibyifuzo byagutse mubikoresho byubaka bigezweho.
Igihe cyo kohereza: Sep-18-2024