Mokhoa oa ho putlama oa cellulose ke eng?

Mokhoa oa lintoa o bitsoang celluulose o kenyelletsa ho tsoaloa ke selefouno e tsoang ho se-'ma-hloko ka mor'a moo. Ethenyane ea khekheng ea cellulo e na le lits'ebeliso tsa indasteri ea liindasteri tsa se fapaneng, ho kenyelletsa meralo, lijo, masela le kaho. Tsamaiso ea ho otla e bohlokoa ho fumana cellulose ea boleng bo holimo, lisebelisoa tse tala bakeng sa tlhahiso ea se-cellwlese. Tse latelang ke tlhaloso e qaqileng ea ts'ebetso ea Cellulo

1. Khetho ea lintho tse tala:

Ts'ebetso ea ho putsa e qala ka khetho ea lisebelisoa tse tala tse nang le cellulose. Mehloli e tloaelehileng e kenyelletsa patsi, k'hothone le likhoele tse ling tsa limela. Khetho ea lisebelisoa tse tala e ipapisitsoe le lintlha tse kang celluloulose Ether, litšenyehelo le thepa e lakatsehang.

2. Mokhoa oa ho etsa pulp:

Ho na le mekhoa e mengata ea Cellulose e ntseng e hola, haholo ho kopanyelletsa le lik'hemik'hale ho halala le ho hula ha bona.

3. Ho putlama ha lik'hemik'hale:

Kraft e hola: e kenyelletsa ho tšoara lichifi tsa patsi ka motsoako oa sodium hydroxide le sodium sulfide. Ts'ebetso ena e qhibiliha Lirikin, e siea ka mor'a likhoele tsa cellulos.

Sulfite e hula: u sebelisa acid acid kapa bisulfite ho roba seriti ka fete.

Koloi ea manyolo ea ho putlama: U sebelisa li-solvent tse kang ethanol kapa methanol ho qhibiliha litlolo le likhoele tse arotsoeng ke likhoele tsa seleny.

4. Ka mokhoa oa ho putlama:

Lejoe-Khoeli Ho ea Lehong: Ho kenyelletsa lehong pakeng tsa majoe ho arola likhoele ka mokhoa o tšoanang.

Phepelo e nchafalitsoeng ea ho putlama: e sebelisa matla a mochini ho ba khethollang likhoele ka ho hloekisa lichifi tsa patsi.

5. Bleach:

Kamora ho lela, cellulose e se e le motsamao o pharaletseng ho tlosa litšila le 'mala. Chalorine, chlorine dioxide, hydrogen peroxide kapa oksijene e ka sebelisoa nakong ea bo-ileng.

5 .. calloulosetion "

Kamora ho hloekisoa, cellulose e fetotsoe ho hlahisa e-ba-e-ea cellulose. Mekhoa e tloaelehileng e kenyelletsa etherization, ho sitisoe le liphetoho tse ling tsa lik'hemik'hale tsa ho fetola thepa ea lik'hemik'hale ea 'mele le ea lik'hemik'hale ea cellulose.

6. Ts'ebetso ea Etherization:

Alkalization: sllulose e phelelang le alkali (hangata sodium hydroxide) ho hlahisa alkali cellulose.

Basebeletsi ba masholu: alkaline cellulose ba ikarabella (joalo ka anti ea alkyl kapa Alkyle

Ho se nke lehlakore: Qoba motsoako oo u o sebelisang ho felisa karabelo le ho fumana sehlahisoa se lakatsehang sa Cellulo Sona.

7. Ho hlatsoa le ho omisa:

Sehlahisoa sa Ether ea Cellulose Ether se imetse hore li felise lihlahisoa le litšila. Kamora ho hloekisa, thepa ena e omme ho fihlela mongobo o o batlang.

8. Ho sila le ho hlahlojoa:

Ethe e omileng ea celsulose e ka ba fatše ho fumana boholo bo ikhethang. Ho ithipa ho sebelisoa ho arola likarolo tsa boholo bo hlokahalang.

8. Taolo ea boleng:

Mehato ea taolo ea boleng ba boleng bo sebelisitsoe ho netefatsa hore bo-'mampoli ba cellulose ba fihlela litekanyetso tse boletsoeng. Sena se kenyelletsa tlhahlobo ea pono, maemo a mangata, mongobo oa mongobo le litekanyetso tse ling tse amehang.

9. Ho paka le ho fana ka:

Sehlahisoa sa ho qetela sa cellular ether se kenngoa le ho ajoa indastering e fapaneng. Ho paka ka nepo ho netefatsa hore boleng ba sehlahisoa bo bolokiloe nakong ea polokelo le lipalangoang.

Mokhoa oa ho otla cellulose e lemetseng ke letoto le rarahaneng le kenyelletsang khetho ea boikhethelo e amanang le khetho, ho hlakoloa, ho hlatsoa, ​​ho hlatsoa, ​​ho omella, ho omella le boleng bo ntseng bo omella, bo ntseng bo ntse bo omella. Mohato o mong le o mong o tšoaea liphoso ho tsebahatsa tšobotsi ea boleng le thepa ea Cellulo e hlahisitsoeng, e etsa hore e be le lits'ebetso tse fapaneng. Tsoelo-pele ea mahlale a mokhoa o ntlafatsang e tsoela pele ho ntlafatsa le ho ntlafatsa lits'ebetso tsena ho eketsa ts'ebetso le ho tsitsisa tlhahiso ea Cellulose Ether.


Nako ea poso: Jan-15-2024