Hemc (hydroxethyl methyl cellulolose) ke cellulase Ts'ebetsong ea eona ea tlhahiso, ho na le lintlha tse ngata tsa bohlokoa tse lokelang ho nahana ho netefatsa hore boleng ba sehlahisoa le bokhatsong tsa tlhahiso.
1. Khetho le ho hlophisoa ha lisebelisoa tse tala
1.1 cellulose
Lintho tse ka sehloohong tsa Hemc ke celluulose ea tlhaho, hangata ho tsoa pulp kapa k'hothone. Lisebelisoa tsa boleng bo holimo-li-vellulose Velliulo li tseba boleng ba sehlahisoa sa ho qetela. Ka hona, bohloeki, boima ba limolek'hule le mohloli oa thepa e tala li bohlokoa haholo.
Boreleli: Cellulose e phahameng-poulose e ka khethoa ho fokotsa tšusumetso ea litšila ts'ebetsong ea sehlahisoa.
Boima ba balek'her
Mohloli: Mohloli oa Cellulose (joalo ka pulp ea lehong, k'hothone) e khetha sebopeho le bohloeki ba ketane ea cellulo.
1.2 sodium hydroxide (Naoh)
Sodium hydroxide e sebelisoa bakeng sa alkalization ea cellulose. E tlameha ho ba le bohloeki bo phahameng le ho tsepamisa mohopolo ho lokela ho laoloa ka tieo ho netefatsa hore re ikutloa joalo ka karabelo.
1.3 Ethylene Oxide
Boleng le ho sebelisa lentsoe la atylene oxide ka kotloloho li ama tekanyo ea mohlala. Ho laola botumo ba eona le karabelo ho thusa ho fumana degree ea sebaka le sehlahisoa.
1.4 Methyl chloride
Methylation ke mohato oa bohlokoa tlhahisong ea hemc. Ho hloeka le maemo a ho itlhoekisa a MEthyl chloride ho ba le tšusumetso e tobileng mabapi le ho boloka methyy.
2. Li-paramethara tsa Ts'ebetso
Phekolo ea Alkalization ea Alkalization
Phekolo ea alkalization ea li-cellulose e potlakisang celluloulo ho etsa lihloha tsa Hydroular le tse loketseng ho ba le mokhoa o loketseng ho thusa.
Mocheso: hangata e etsoa ka mocheso o tlase ho qoba litšila tsa Celulose.
Nako: Nako ea ho iphahamise e hloka ho laoloa ho netefatsa hore karabelo e lekane empa e sa felise.
2.2 Ethoxylation
EMoxy, e bua ka sebaka sa cellulo e fetotsoeng ka alkana e entsoeng ka allene e amanang le selefounu e ntle.
Mofuthu le Khatello: Mocheso le khatello ea maikutlo le khatello ea maikutlo li hloka ho laoloa ka kotloloho ho netefatsa ntho e ts'oanang ea ho utona.
Nako ea karabelo: Nako e telele haholo kapa e khutšoane haholo e tla ama degree ea sebaka le ts'ebetso ea sehlahisoa.
2.3 Methylation
Methylation ea cellulose ka Methyl Chaloreide Film Mayoux-DispodutidIdIdding Cellulose.
Maemo Maemong a ho arabela: Ho kenyelletsa mocheso oa karabelo, khatello ea maikutlo, jj.
Ts'ebeliso ea Catalyst: Li-catalysts li ka sebelisoa ho ntlafatsa ts'ebetso ea karabelo ea karabelo ha ho hlokahala.
2.4 Ho se nke lehlakore le ho hlatsoa
Clllulose ka mor'a hore karabelo e hloka ho khelosa alkali ea sa feleng mme e hlatsoitsoe ka botlalo ho tlosa limpho le lihlahisoa tse setseng.
Washing e mahareng: Motsoako oa metsi kapa ononol o sebelisoa hangata.
Linako tsa ho hlapa le mekhoa: li lokela ho fetoloa ha ho hlokahala ho netefatsa ho tlosoa hoa masala.
2.5 Ho omella le ho sithabetsa
Celplulose ea hlatsuoang celluulose e hloka ho omelloa ebile e sithabetse boholo bo loketseng ba karolelano ea ts'ebeliso e latelang.
Mocheso le nako ea mocheso le nako: o hloka ho leka-lekanya ho qoba litšila tsa cellulose.
Sekhahla sa karohano: li lokela ho fetoloa ho latela litlhoko tsa sebe.
3. Taolo ea boleng
3.1 Sehlahisoa sa Setsi sa Tlhahlobo
Ts'ebetso ea hemc e amana haufi le degree ea sebaka (DS) le sebaka se ts'oanang. E hloka ho fumanoa ke li-magnetic tsa nyutlelie (nmr), in incrared Spectraroscopy (Ir) le theknoloji e 'ngoe.
3.2 stlileng
Sello sa hemc ke paramente ea bohlokoa ts'ebelisong ea eona. Liteko tsa khetla li lokela ho etsoa ho netefatsa ts'ebetso ea eona ea kutloano le pono tikolohong ea kopo.
3.3 Viscosity
Kelello ea Hemc e ama ts'ebetso ea sona ka kotloloho sehlahisoa sa ho qetela. Visicosity ea sehlahisoa e lekantsoe ke mohloli oa ho potoloha kapa ea evoter ea ho potoloha kapa ea mohlala.
3.4 Boea bo hloekileng le masala
Bakhabane le litlolo tse ka har'a sehlahisoa li tla ama phello ea sona mme li hloka ho fumanoa le ho laoloa.
4. Tsamaiso ea tikoloho le ea polokeho le polokeho
4.1 kalafo e litšila ea metsi
Litšoene tse senyehileng li hlahisitsoe nakong ea tlhahiso ha ts'ebetso e lokela ho tšoaroa ho fihlela litlhoko tsa ts'ireletso ea tikoloho.
Ho se nke lehlakore:
Manyolo a manyolo a manyolo: Sebelisa mekhoa ea likokoana-hloko kapa tsa lik'hemik'hale ho phekola litaba tsa manyolo ka metsi a litšila.
4.2 Emaissions ea khase
Mabenyane a hlahisoang nakong ea karabelo (a kang ahlene oxide le methyl chloride) a hloka ho bokelloa le ho alafshoa ho thibela tšilafalo.
Tora ea monya: likhase tse kotsi lia nkuoa ebile li sa tiee ka litora tsa lapeng.
Phetetso: Sebelisa litlolo tse hlahang hantle ho tlosa likaroloana tsa khase.
4.3 Ts'ireletso ea Tšireletso
Lik'hemik'hale tse kotsi li kentse letsoho mabapi le lik'hemik'hale, mehato e loketseng ea polokeho e hloka ho nkuoa.
Lisebelisoa tsa ts'ireletso: Fana ka lisebelisoa tsa ts'ireletso (PPE), tse kang liatlana, li-Goggles, joalo-joalo
Sistimi ea moea oa moea oa moea: Etsa bonnete ba hore moea o motle oa ho tlosa likhase tse mpe.
4.4 Ts'ebetso ea Optimimination
Fokotsa lisebelisoa tsa motlakase le litšila tse tala le ho ntlafatsa ts'ebetso ea tlhahiso ka ts'ebetso le taolo e ikemetseng.
5. Lintlha tsa moruo
Liaparo tsa theko ea 5.1
Lisebelisoa tse tala le ts'ebeliso ea matla ke tsona mohloli o ka sehloohong oa litšenyehelo tsa tlhahiso. Litsenyehelo tsa tlhahiso li ka fokotsoa ka ho khetha barekisi ba loketseng le ho ntlafatsa tšebeliso ea matla.
5.2 Tlhokahalo ea 'maraka
Sekhahla sa tlhahiso le litlhaloso tsa sehlahisoa li lokela ho fetoloa ho latela tlhoko ea 'maraka ho netefatsa melemo e phahameng ea moruo.
5.3 Tlhahlobo ea tlholisano
Etsa tlhahlobo ea tlholisano ea marandastera khafetsa, lokisa mekhoa ea ho ema lihlahisoa le ho ntlafatsa tlholisano ea 'maraka.
6. Tlhahlobo ea theknoloji
6.1 Khatiso e ncha ea ts'ebetso
Ho ntšetsa pele le ho amohela mekhoa e mecha ea ho ntlafatsa boleng ba sehlahisoa le katleho ea tlhahiso. Mohlala, ntšetsa pele letsopa le lecha kapa maemo a fapaneng a karabelo.
6.2 ntlafatso ea sehlahisoa
Ntlafatsa le ho ntlafatsa lihlahisoa ho latela karabo ea karabo ea bareki le tlhoko ea 'maraka, joalo ka ho hlaolela hemc ka boima ba li-silest tse fapaneng le tse makatsang.
6.3 Taolo e ikemetseng
Ka ho kenyelletsa lits'ebetso tsa taolo ea boithati, ho se hlokolosi le ho tsitsa ha ts'ebetso ho ka ntlafatsoa le liphoso tsa batho li ka fokotsoa.
7. Litaelo le litekanyetso
Litekanyetso tsa sehlahisoa 7.1
Marato a ne a fana ka litlhoko tsa ho latela melao le litlhoko tse loketseng tsa indasteri le melao e laoloang joalo ka melao ea ISO, litekanyetso tsa naha, jj.
7.2 Melaoana ea tikoloho
Ts'ebetso ea tlhahiso e hloka ho latela melao ea tikoloho ea lehae, fokotsa metsu ea tšilafalo le ho sireletsa tikoloho.
7.3 Melaoana ea polokeho
Ts'ebetso ea tlhahiso e hloka ho latela melao ea tlhahiso ea polokeho ho netefatsa polokeho ea mosebeletsi le ho ts'epahala ha ts'ebetso ea feme.
Ts'ebetso ea tlhahiso ea Hemc ke ts'ebetso e rarahaneng ebile e shebiloeng ka makhetlo a mangata. Ho tsoa ho khetho ea lintho tse bonahalang, ho sebetsa ka mokhoa oa paramente, taolo ea matla a mantlha, tokisetso ea polokeho ea theknoloji ea theknoloji, sehokela se seng le se seng se bohlokoa. Ka ntlafatso e loketseng le ntlafatso e tsoelang pele, katleho e tsoelang pele ea lihlahisoa le boleng ba sehlahisoa tsa Hemc li ka ntlafatsoa ka nepo ho kopana le tlhoko ea mmaraka.
Poso: Hlakubele-17-2025