Focus on Cellulose ethers

Ether ya selile ni iki?

Cellulose etherni inyongeramusaruro kandi ikoreshwa cyane mubikorwa bitandukanye, harimo ubwubatsi, imiti, ubuvuzi bwihariye, ibiryo, nibindi byinshi.Bikomoka kuri selile, polymer karemano iboneka murukuta rw'utugingo ngengabuzima.Ether ya selulose ikorwa muguhindura molekile ya selile ikoresheje reaction ya chimique, bikavamo imitekerereze myiza nibikorwa bikora neza kuburyo butandukanye.

Inkomoko nyamukuru ya selile kugirango ikore ubucuruzi bwa selile ether ni ibiti byimbuto, nubwo andi masoko ashingiye ku bimera nka pamba nibindi bicuruzwa biva mu buhinzi nabyo bishobora gukoreshwa.Cellulose ikorerwa muburyo bwo kuvura imiti, harimo kweza, alkalisation, etherification, no gukama, kugirango itange umusaruro wanyuma wa selile.

Cellulose ether itanga ibintu byinshi byifuzwa bigira agaciro mubikorwa bitandukanye:

1.Amazi meza:Cellulose ether mubisanzwe amazi-ashonga, bituma ashobora gukwirakwira byoroshye kandi akinjizwa muburyo butandukanye.Ikora ibisubizo bisobanutse kandi bihamye mumazi, itanga uburyo bwiza bwo kubyimba no gutuza.
2.Ihinduka rya Reologiya:Imwe mu nyungu zingenzi za selulose ether nubushobozi bwayo bwo guhindura imyitwarire yimitsi hamwe nubwiza bwamazi.Irashobora gukora nkibintu byimbitse, itanga uburyo bunoze, imiterere, hamwe nibicuruzwa.Muguhindura ubwoko na dosiye ya selile ya ether, birashoboka kugera kubintu byinshi byijimye, kuva mumazi mabi cyane kugeza kuri geles nyinshi.
3.Gushiraho Filime:Cellulose ether irashobora gukora firime mugihe igisubizo cyumye.Izi firime zirasobanutse, zoroshye, kandi zifite imbaraga zingana.Birashobora gukoreshwa nkibikoresho byo gukingira, guhambira, cyangwa matrices mubikorwa bitandukanye.
4. Kubika amazi:Cellulose ether ifite ibintu byiza bigumana amazi.Mubikorwa byubwubatsi, irashobora gukoreshwa mubicuruzwa bishingiye kuri sima kugirango byongere imikorere, bigabanye igihombo cyamazi, kandi bitezimbere inzira.Ibi biganisha ku iterambere ryimbaraga, kugabanya gucika, no kongera igihe kirekire cya beto ya nyuma cyangwa minisiteri.
5.Guhuza no guhambira:Cellulose ether yerekana ibintu bifatika, ikora nkingirakamaro muguhuza porogaramu zitandukanye.Irashobora guteza imbere guhuza ibikoresho bitandukanye cyangwa gukora nkibikoresho bihuza ibinini, granules, cyangwa ifu.
6.Imitekerereze ihamye:Cellulose ether irwanya hydrolysis mubihe bisanzwe, itanga ituze hamwe nibikorwa murwego runini rwa pH.Ibi bituma ikoreshwa muburyo bwa acide, alkaline, cyangwa ibidukikije bidafite aho bibogamiye.
7.Ubushyuhe bwumuriro:Cellulose ether yerekana neza ubushyuhe bwumuriro, ikayifasha kugumana imiterere yayo hejuru yubushyuhe bwinshi.Ibi bituma bikwiranye na porogaramu zirimo gushyushya cyangwa gukonjesha.

Icyiciro gikunzwe cya Cellulose ether

Ether ya selile iraboneka mubyiciro bitandukanye, buri kimwe gifite imiterere yihariye nibiranga.Icyiciro cya selile ikoreshwa cyane muri selile harimo Hydroxypropyl Methylcellulose (HPMC), Methyl Hydroxyethylcellulose (MHEC), Hydroxyethylcellulose (HEC), Carboxymethylcellulose (CMC), Ethyl Hydroxy ), Ethylcellulose (EC), na Methylcellulose (MC).Reka dusuzume buri cyiciro muburyo burambuye:

1.Hydroxypropyl Methylcellulose (HPMC):

HPMC ni imwe mu zikoreshwa cyane muri selile.Bikomoka kuri selile binyuze mu guhindura imiti hamwe na okiside ya propylene na methyl chloride.HPMC izwiho kubika amazi, kubyimba, no gukora firime.Itanga akazi keza, gufatira hamwe, no kwagura umwanya mugikorwa cyubwubatsi nka minisiteri yumye, amavuta ya tile, hamwe na sima.Mu nganda zikoreshwa mu bya farumasi, HPMC ikoreshwa nka binder, firime yahoze, kandi igenzurwa-kurekura mububiko bwa tablet.
2.Methyl Hydroxyethylcellulose (MHEC):

MHEC ni selile ya selile yakozwe na reaction ya selile hamwe na methyl chloride na okiside ya Ethylene.Itanga ibintu bisa na HPMC ariko hamwe nubushobozi bwo gufata amazi.Bikunze gukoreshwa mubifata amatafari, grout, hamwe nibikoresho bishingiye kuri sima aho bikenewe kunoza imikorere, kubika amazi, no gufatira hamwe.MHEC isanga kandi porogaramu mu nganda zimiti nkumushinga uhuza kandi ukora firime mugutegura ibinini.
3.Hydroxyethylcellulose (HEC):

HEC ikomoka kuri selile binyuze mu kongeramo amatsinda ya okiside ya Ethylene.Nibishobora gushonga amazi kandi bitanga uburyo bwiza bwo kubyimba no kugenzura imiterere.HEC isanzwe ikoreshwa mubicuruzwa byumuntu ku giti cye, nka shampo, kondereti, n'amavuta yo kwisiga, kugirango itange ubwiza, itume ifuro rihinduka, kandi inoze ibiranga amarangamutima.Irakoreshwa kandi nk'ikibyimbye kandi gihuza amarangi, impuzu, hamwe n'ibifatika.

4.Carboxymethylcellulose (CMC):

CMC ikorwa mugukora selile hamwe na sodium monochloroacetate kugirango itangize amatsinda ya carboxymethyl kumurongo wa selile.CMC irashobora gushonga cyane kandi ikagaragaza uburyo bwiza bwo kubyimba, gutuza, no gukora firime.Bikunze gukoreshwa mu nganda zibiribwa nkibyimbye, stabilisateur, na emulisiferi mubicuruzwa byinshi, birimo amata, imigati, isosi, n'ibinyobwa.CMC ikoreshwa kandi mu miti, kwita ku muntu ku giti cye, no mu nganda z’imyenda.

5.Ethyl Hydroxyethylcellulose (EHEC):

EHEC ni selire ya ether urwego ruhuza imiterere ya etyl na hydroxyethyl.Itanga umubyimba mwinshi, kugenzura imvugo, hamwe nubushobozi bwo gufata amazi.EHEC ikunze gukoreshwa mumazi ashingiye kumazi, ibifatika, nibikoresho byubwubatsi kugirango bitezimbere imikorere, kurwanya sag, no gukora firime.
6.Ethylcellulose (EC):

EC ni selile ya ionic selulose ether ikoreshwa cyane cyane mubikorwa bya farumasi no gutwikira.Ntishobora gushonga mumazi ariko irashobora gushonga mumashanyarazi.EC itanga ibintu byerekana firime, bigatuma ikwirakwizwa na sisitemu yo gutanga ibiyobyabwenge bigenzurwa-bigasohora, ibyinjira byinjira, hamwe na bariyeri.Ikoreshwa kandi mukubyara wino yihariye, lacquers, hamwe na adhesives.
7.Methylcellulose (MC):

MC ikomoka kuri selile binyuze mu kongeramo amatsinda ya methyl.Irashobora gushonga amazi kandi ikerekana ibintu byiza cyane byerekana firime, kubyimba, hamwe na emulisitiya.MC isanzwe ikoreshwa mubikorwa bya farumasi nkibihuza, bidahwitse, hamwe na viscosity modifier muburyo bwa tablet.Ikoreshwa kandi mu nganda zibiribwa nkibibyimbye, stabilisateur, na emulisiferi mubicuruzwa bitandukanye.
Indangamanota ya selile ether itanga intera nini yimikorere kandi ihitamo hashingiwe kubisabwa byihariye bya buri porogaramu.Ni ngombwa kumenya ko buri cyiciro gishobora kugira ibisobanuro bitandukanye nibiranga imikorere, harimo ubukonje, uburemere bwa molekile, urwego rusimburwa, hamwe nubushyuhe bwa gel.Ababikora batanga impapuro za tekiniki nubuyobozi kugirango bafashe muguhitamo amanota akwiye kubisobanuro cyangwa gusaba.

amanota ya selile ya selile nka HPMC, MHEC, HEC, CMC, EHEC, EC, na MC afite imitungo itandukanye kandi ikoreshwa mubikorwa bitandukanye.Batanga kubika amazi, kubyimba, gukora firime, gufatira hamwe, no kongera imbaraga.Izi ntera ya selulose ether igira uruhare runini mubikoresho byubwubatsi, imiti yimiti, ibicuruzwa byita kumuntu ku giti cye, ibiryo, amarangi hamwe nudusanduku, ibifata, nibindi byinshi, bigira uruhare mubikorwa no mumikorere yibintu byinshi nibicuruzwa.

https://www.kimachemical.com/amakuru/icyo-ni-cellulose- hamwe/

Cellulose ether isanga porogaramu nini mubikorwa bitandukanye:

1.Inganda zubaka: Mu iyubakwa, ether ya selile ikoreshwa nk'inyongera y'ingenzi muri minisiteri yumye, ibyuma bifata tile, grout, imashini ya sima, hamwe no kwishyira hamwe.Itezimbere gukora, kubika amazi, gufatana, no kuramba kwibi bikoresho.Byongeye kandi, selulose ether itezimbere imikorere ya sisitemu yo hanze yubushyuhe bwo hanze (ETICS) mukwongerera ubwuzuzanye nubworoherane bwa minisiteri.

2.Inganda zimiti: Cellulose ether ikoreshwa cyane mubikorwa bya farumasi.Ikora nka binder, disintegrant, kandi igenzurwa-kurekura agent muburyo bwa tablet.Itanga ibinini byinini byinini, gusenyuka byihuse, hamwe nibiyobyabwenge bigenzurwa.Byongeye kandi, selulose ether irashobora kandi gukoreshwa nkibihindura viscosity ihindura ibintu byamazi, guhagarikwa, hamwe na emulisiyo.

3.Kwitaho no kwisiga: Mubicuruzwa byumuntu ku giti cye, selile ether ikoreshwa nkumubyimba, stabilisateur, hamwe nogukora firime.Itanga ibyifuzwa hamwe na rheologiya kuri cream, amavuta yo kwisiga, geles, shampo, nibindi bikoresho byo kwita kubantu.Cellulose ether ifasha kunoza ituze, gukwirakwira, hamwe nuburambe muri rusange bwibicuruzwa.Irashobora kandi kuzamura ubwiza bwa furo muburyo bwo kweza.

4. Inganda zikora ibiryo: Ether ya selile ikoreshwa mu nganda zibiribwa nkibintu byongera umubyimba, emulifier, stabilisateur, hamwe ninyongera ya fibre yibiryo.Irashobora kunoza imiterere, umunwa, hamwe nubuzima bwibicuruzwa byibiribwa.Ether ya selile ikoreshwa cyane mukwambara salade, isosi, kuzuza imigati, ibiryo bikonje, hamwe namavuta make cyangwa karori nkeya.

5.Irangi hamwe na Coatings: Ether ya selile ikoreshwa mumarangi no gutwikira nkumuhinduzi wa rheologiya hamwe nubushakashatsi.Ifasha kugenzura ubwiza, gutemba, hamwe no kuringaniza ibintu.Cellulose ether nayo itezimbere ituze no gukwirakwiza pigment hamwe nuwuzuza muburyo bwo gusiga amarangi.

6.Ibikoresho hamwe na kashe: Cellulose ether isanga ikoreshwa mubifata hamwe na kashe kugirango byongere ubwiza bwabyo, gufatana, no guhinduka.Itezimbere imikorere nubukorikori bwibisobanuro, bigafasha guhuza neza ibikoresho bitandukanye.

7.Inganda zamavuta na gaze: Cellulose ether ikoreshwa mugucukura amazi no kurangiza amazi munganda za peteroli na gaze.Itanga igenzura, kugabanya igihombo cyamazi, hamwe nuburyo bwo kubuza shale.Cellulose ether ifasha kugumya gutuza no gukora mumazi yo gucukura mubihe bigoye.

8.Inganda zinganda: Mu nganda z’imyenda, selulose ether ikoreshwa nkumubyimba wo gucapa imyenda.Itezimbere ubudahwema, gutembera, hamwe no kwimura amabara yo gucapa ibyapa, byemeza icapiro rimwe kandi rifite imbaraga.

Ni ngombwa kumenya ko hari ubwoko butandukanye hamwe n amanota ya selulose ether iboneka kumasoko, buriwese hamwe nibintu byihariye hamwe nibisabwa.Guhitamo selulose ether biterwa nikigenewe gukoreshwa, ibiranga imikorere yifuzwa, hamwe no guhuza nibindi bikoresho mubitegura.

Muri make, selile ether ni inyongeramusaruro itandukanye ikomoka kuri selile.Itanga amazi meza, guhindura rheologiya, gukora firime, kubika amazi, gufatira hamwe, hamwe nubushyuhe bwumuriro.Cellulose ether isanga ibyifuzo mubwubatsi, imiti, kwita kubantu, ibiryo, amarangi hamwe nudusanduku, ibifatika, amavuta na gaze, ninganda zimyenda.Imiterere yacyo itandukanye ituma iba ingirakamaro mugutezimbere imikorere, ituze, nimikorere yibicuruzwa byinshi mubice bitandukanye.

KimaCell Cellulose ether urutonde rwibicuruzwa


Igihe cyo kohereza: Ukuboza-02-2021
Ikiganiro cya WhatsApp Kumurongo!