Classification le litšobotsi tsa 'muelli oa sehlopha sa Cellulose

Ethe e 'ngoe ea' mino oa sele cellulose ke sehlopha sa lik'hemik'hale tse tsoang celluddlese, polymer ea tlhaho e fumanehang marakong a lily. E-le-E-e-le indastering e fapaneng ho indasteri ea kaho le ka tatellano ka lebaka la matla a bona a fapaneng joalo ka ho boloka metsi, ho holisa bokhoni le bo etsa lifilimi. Likolong tsa meralo, li sebelisoa hangata e le litlatsetso ka har'a lisebelisoa tse kang mabelo, lipere, litsotho le likokonyana. Lintho tsena Thuso ea Ntlafatsa Ho ba le Molemo, ho Tšoara le Ts'ebetso.

1. Tlhatlhobo ea Ethem ea Cell

E-ba-li-call tsa cll cellular barbilese barm ka ho fetola lihlopha tsa hydroyl (-oh) le sehlopha sa ether (- sehlopha se seng se sebetsang. Ts'ebetso ea phallo e kenyelletsa ts'ebeliso ea Reagyide (bakeng sa memoyl chloulose (bakeng sa Ethyl cellengse (bakeng sa hydroxypropypropyl cellulose).

E-le-Ethe-bo-mme-bo-'mè ba fapaneng ba thehiloe moetlong oa bona oa limolek'hule, solly, le degree ea hydroyl e nkeloa sebaka). Bakeng sa lits'ebetso tsa meralo, e-bo-'-bo-'-bo-'-bo-'mè ba khethullo ba khelisoa ka ho khetheha bakeng sa bokhoni ba bona ba ho ntlafatsa thepa ea thepa ea kaho joaloka samente, gypsimo e thehiloeng ho samente.

2. Mefuta ea Likamore tsa Cellulose Christime

Ethey e bohareng ea khetla ea celluulose e ka hlalosoa e thehiloe ka sebopeho sa bona sa lik'hemik'hale le thepa e sebetsang. Mefuta e sebelisoang haholo ka ho fetisisa e kenyeletsang:

2.1Methyl cerelosese (MC)

Methyl celluloulosee hlahisoa ke celtylaseting cllouddlese, beha karolo ea lihlopha tsa hydroyl tse nang le lihlopha tsa methyl. E qhibiliha ka metsing a batang 'me e etsa sebōpeho se tšoanang le se feto-fetohang ha ho qhalana.

Litšobotsi:

Matla a ho Boloka Metsi

Bokhoni bo phahameng ba lifilimi

Ho ntlafatsa mesebetsi ea kaho e kang samente, stucco, le mekhoa e metekete

E sebetsa e le moemeli ea bohloko, a emeng a ho feta a sa fetohe thepa ea phallo ea motsoako

Binder le ho hlonepha haholo ho lihlahisoa tse kang likhakanyo le makhapetla

2.2HydroxypropypropyLe cellulolose (HPMC)

Sesebelisoa sena sa cellulose se entsoe ka ho fetola tšepe ea methyl cellulose le lihlopha tsa hydroxypropyl.HydroxypropypropyLe cellulolosee thatafatsa metsi a mangata ho feta sllulose e hloekileng ea methyl le ho fana ka thepa e ntlafalitsoeng e kang ho fetoha le maemo, hodhesion le botsitso.

Litšobotsi:

Meetso e metle ea metsi le ho boloka thepa

E thusa ho ntlafatsa ho ba le mosebetsi le ho tšoarella ha lits'ebetso tsa semmuso

E sebetsa e le setaele ka litlolo, ho fana ka litlhahiso tsa lithaele

E kenya letsoho kholisong e kholo ea lits'ila

E fana ka ho hanyetsanang le ho thella le ho shrinkage ka bosholu bo teteaneng

2.3Hydroxeeyl celloulose (Hec)

Hydroxeeyl cellulosesee hlahisoa ka ho hlahisa lihlopha tsa hydroxethyl ka kamoreng ea mokokotlo oa selefouno. Ether ena e na le thuso e ngata haholo ho laola pono le ho ripichagy tsa lisebelisoa tsa meralo.

Litšobotsi:

Taolo e phahameng ea metsi le taolo ea pono

E ntlafatsa ho ba le matla hodima hodima hodima hodima hodima direteng tsa modimo

E sebelisoang ho grout, polasetiki le lipente tsa kopo e boreleli 'me e atolositsoe nako e bulehileng

E thibela ho omella ka potlako ea thepa, ho lumella ho bala ho be bonolo

2.4CrisboxeMethyl cellulose (cmc)

CrisboxeMethyl cellulosee hlahisoa ka ho kenyelletsa lihlopha tsa carboxeMethl (-ch2cooh) ho tsoa sebopeho sa cellulose. Ha a le bohareng, CMC e sebelisoa haholo bakeng sa ho boloka metsi a eona a matle, ho holisa le ho emisoa.

Litšobotsi:

Bokhoni bo phahameng ba metsi le bolokolohi ba metsi

Ho eketsa rheology le thepa e ntlafalitsoeng ea ho phalla

E sebelisoang samente le litsamaiso tsa Plant ho ntlafatsa nako e bulehileng le ho fokotsa shrinkhage

Hangata e sebelisoa ka har'a mabota a leboteng le metsoako e kopaneng ho ntlafatsa ho ntlafatsa

2.5MethylHydroxeeyl cellulouse (MHec)

Methylhydroxeeyl celluloseseke mofuta o fetotsoeng oa hydroxethyl cellulouse ea kenyelletsang sehlopha sa Ofyll. E na le matlapisi e ts'oanang le hec empa ka lintho tse ling tse mabapi le boitšoaro ba bakokoli le botona.

Litšobotsi:

E fana ka litla-morao tse matlafatsang le tse tsitsitseng

E ntlafatsa ho boloka metsi le ho ntlafatsa boreleli ba likokoana-hloko

E sebelisoang ho lihlahisoa tse fapaneng tsa mabenkele le lipere tsa pente e sa fetoheng le tse bonolo.

3. Thepa le mesebetsi e sebetsa ho meralo

E-ba E-ba-Cellsease ba re nka karolo ea bohlokoa ho fetola boitšoaro le tšebetso ea thepa ea kaho. Mesebetsi ea bona ea mantlha e tjena:

3.1Ho Boloka Meea

Ethe e '-bo-'mè ba selefouso ke hydrophilic ka tlhaho, ho bolelang hore ba ka monya le ho ts'oara metsi. Sena se nyatsa litsamaiso tsa Samente ha li ntse li omella pele ho nako, li tiisa hore samente e mele e hōletsoeng le ho se fumana matla a eona a e lakatsehang le ho fumana matla a oona a neng a se na matla a ho fumana matla le ho li fumana matla a oona a se batlang hantle le ho fumana matla a oona a neng a se na matla a ho fifala le ho fumana matla a oona a neng a se amane.

3.2Ho ba le Tsoelo-pele

E-'E' NUMANE 'Celbedd a a ntlafatsa ho na le tsoelo-pele ea Bolaoli, litšapa le likhakanyo ka ho ntlafatsa polasetiki ea bona le ho feto-fetoha. Sena se nolofalletsa basebetsi ho kenya lisebelisoa le ho hatisa lisebelisoa. Ho eketsoetsoa ha li-e-e-se-sethe tsa selefouloana ho etsa bonnete ba boipobello, esita le bakeng sa lintoa tse rarahaneng.

3.3Taolo ea liketsahalo tsa pono

E-bang e 'na se bo-a-a-a-a-a-a-a-a-a-a-a-a-Soll celcosition of Arm celdume, a ba fa thepa e nepahetseng ea phallo. Sena ke sa bohlokoa lits'ebetsong joalo ka meralo e kang meriana ea meriti, lipere, le ho lebile, moo ho lumellanoang le ho nolofalletsa.

3.4Ho etsa lifilimi

E-ba e-ba-cell e-ba cellms ea lifoto e fanang ka pherekano e boreleli, e tšoarellang le e nang le bokantle ha e sebelisoa. Sena se bohlokoa ka licheleteng, bosholu ba lipere, moo ho hlokahalang filimi ea lintho tse hlokahalang ho netefatsa ponahalo ea boleng bo phahameng le ho tšoarella nako e telele.

3.5Ho tlama le ho hlapaola

E-'EANG' NETE-'Konthen ea ho ikamahanya le mathata a ho ikamahanya le ho bolela hore ho na le bosholu, lithaele le lisebelisoa tse ling li tlamahalla libaka tse ling. Sena se bohlokoa haholo ka adhiss tsa dile, metsoako e kopaneng le likopo tsa plaster.

3.6Ho hanyetsa ho shrinkage le ho qhekella

E-'Ethe -'Hisa ho fokotsa kotsi ea ho shrinkage le ho ea ho thepa ea kaho, haholo-holo lihlahisoa tsa saense. By improving water retention and extending the open time, these additives allow the material to stay workable for longer periods, reducing the likelihood of cracks forming during drying.

4. Likopo ho Boqapi

E-'Ethe e' Muelli e le ea bohlokoa ho meralo le lits'ebetsong tsa kaho, ho ntlafatsa boleng, ho ba le botsitso le boiketlo ba ho sebelisa thepa ea moaho. Likopo tse ling tsa bohlokoa li kenyelletsa:

Likopano le Liplataraka: Ka makhetlo a maketseng, e-ntan'o ba khokhotheitsoeng e fana ka mokhoa o ntlafalitsoeng, ho latela metsi, ho etsa hore ho be bonolo ho kenya le ho boloka litaba tse libakeng tse ling.

Meriana ea lithaele: Thepa e ntlafalitsoeng ea liketsahalo tsa celluulose

Bosholu ba lebotaBokhoni ba li-celts e se nang filimi e boreleli le ho ntlafatsa phetoho ea hore batho ba bangata ba thusa ho atleha likoting tse holimo le tse ka ntle.

Lihlahisoa tsa Motsoako o omileng: Bahlahi-bala-bo-CALLULAASE ba tloaetse ho ekelletsa moo litlhasi tse omileng tse kang metsoako e kopaneng, metsoako e metle le ho iphahamisa ho thibela linepe le ho boloka metsi.

5. Lethathamo la Lipapiso tsa Ethey ea Cellulose

E-'Ethe e' nete e bohlokoa ka lits'ebetso tsa meralo ka lebaka la bokhoni ba bona ba ho ntlafatsa thepa ea thepa ea kaho. Ka tlhaho ea bona e tsitsitseng ea bona, ba sebeletsa karolo ea bohlokoa ho ntlafatsa litšebeletso tsa ho thibela metsing, taolo ea liketsahalo, ho ba le kahlolo e molemo le ho tlama. Bokhoni ba bona ba ho ntlafatsa ts'ebetso le ho tšoarella ha thepa ho ba etsa karolo ea bohlokoa boqapi ba kahong ea kajeno le boqapi ba taolo. Ka ho utloisisa mefuta e fapaneng ea bo-'mè ba kheketso le thepa ea bona ea boitlhompho, ba ka khetha litlhokahalo tse nepahetseng ho fihlela katleho ea nako e telele le ho ts'epahala ha thepa ea moaho.