Cellulose ether (CelluloseEther) e entsoe ka selulose ka karabelo ea etherification ea e 'ngoe kapa tse' maloa tsa etherification le ho sila ho omileng. Ho ea ka likarolo tse fapaneng tsa lik'hemik'hale tsa li-substituents tsa ether, cellulose ethers e ka aroloa ka li-anionic, cationic le nonionic ethers. Ionic cellulose ethers haholo-holo e kenyelletsa carboxymethyl cellulose ether (CMC); li-non-ionic cellulose ethers haholo-holo li kenyelletsa methyl cellulose ether (MC), hydroxypropyl methyl cellulose ether (HPMC) le hydroxyethyl cellulose ether. Chlorine ether (HC) joalo-joalo. Li-ether tse se nang ionic li arotsoe ka li-ether tse qhibilihang ka metsing le li-ethers tse qhibilihang ka oli, 'me li-ether tse se nang ionic tse qhibilihang ka metsing li sebelisoa haholo-holo lihlahisoa tsa seretse. Ka pel'a li-ion tsa calcium, ionic cellulose ether ha e tsitsa, kahoo ha e sebelisoe hangata lihlahisoa tsa seretse tse omeletseng tse sebelisang samente, slaked lime, joalo-joalo e le lisebelisoa tsa samente. Nonionic water-soluble cellulose ethers li sebelisoa haholo indastering ea thepa ea mohaho ka lebaka la botsitso ba tsona ba ho emisa le ho boloka metsi.
1. Lintho tsa lik'hemik'hale tsa cellulose ether
Ether e 'ngoe le e 'ngoe ea cellulose e na le sebopeho sa motheo sa cellulose - sebopeho sa anhydroglucose. Nakong ea ho hlahisa ether ea cellulose, fiber ea cellulose e qala ho futhumatsoa ka tharollo ea alkaline, ebe e phekoloa ka etherifying agent. Sehlahisoa sa karabelo ea fibrous se hloekisoa le ho siloa ho etsa phofo e ts'oanang e nang le botle bo itseng.
Ts'ebetsong ea tlhahiso ea MC, ke methyl chloride feela e sebelisoang e le moemeli oa etherification; ho phaella ho methyl chloride, propylene oxide e boetse e sebelisoa ho fumana lihlopha tse ling tsa hydroxypropyl tlhahiso ea HPMC. Li-ether tse fapaneng tsa cellulose li na le likarolo tse fapaneng tsa methyl le hydroxypropyl substitution ratios, tse amang tšebelisano ea lintho tse phelang le mocheso oa mocheso oa mocheso oa litharollo tsa cellulose ether.
2. Maemo a kopo ea cellulose ether
Cellulose ether ke polymer eo e seng ea ionic semi-synthetic, e qhibilihang ka metsing ebile e qhibiliha. E na le litlamorao tse fapaneng liindastering tse fapaneng. Mohlala, ka thepa ea kaho ea lik'hemik'hale, e na le litlamorao tse latelang tse kopaneng:
①Setsi sa ho boloka metsi ②Thickener ③Leveling thepa ④Thepa ea ho etsa filimi ⑤Binder
Ka indasteri ea polyvinyl chloride, ke emulsifier le dispersant; indastering ea meriana, ke setlamo le lisebelisoa tsa moralo o liehang le o laoloang, joalo-joalo Hobane cellulose e na le litlamorao tse fapaneng, ts'ebeliso ea eona Tšimo e boetse e atile haholo. Lintlha tse latelang li shebane le ts'ebeliso le ts'ebetso ea cellulose ether linthong tse fapaneng tsa moaho.
(1) Ka pente ea latex:
Ka indasteri ea pente ea latex, ho khetha selulose ea hydroxyethyl, tlhaloso e akaretsang ea viscosity e lekanang ke RT30000-50000cps, e lumellanang le litlhaloso tsa HBR250, 'me tekanyo ea litšupiso hangata e ka ba 1.5 ‰-2 ‰. Mosebetsi o ka sehloohong oa hydroxyethyl ka pente ea latex ke ho teteana, ho thibela gelation ea pigment, ho thusa ho hasana ha pigment, botsitso ba latex, le ho eketsa viscosity ea likarolo, e leng se tlatsetsang ts'ebetsong ea ts'ebetso ea kaho: Hydroxyethyl cellulose e bonolo ho e sebelisa. E ka qhibiliha ka metsing a batang le metsing a chesang, 'me ha e amehe ke boleng ba pH. E ka sebelisoa ka khotso ea kelello ha boleng ba PI bo pakeng tsa 2 le 12. Mekhoa ea tšebeliso ke e latelang: I. Ka ho toba Ho Eketsa tlhahiso: Bakeng sa mokhoa ona, mofuta o liehang oa hydroxyethyl cellulose o lokela ho khethoa, le hydroxyethyl cellulose e nang le ho sebelisoa nako ea ho qhala e fetang metsotso e 30. Mehato ke e latelang: ① E kenye ka har'a sets'oants'o se nang le mochini o hohelang ho kuta haholo. Metsi a mangata a hloekileng ② Qala ho sisinyeha ka lebelo le tlase, 'me ka nako e ts'oanang butle butle u eketsa hydroxyethyl ka har'a tharollo ka ho lekana ③Tsoela pele ho sisinya ho fihlela lisebelisoa tsohle tsa granular li kolobisitsoe ④Eketsa li-additives tse ling le li-alkaline, joalo-joalo. , ebe u eketsa likarolo tse ling ka mokhoa, 'me u sila ho fihlela sehlahisoa se felile. Ⅱ. E na le joala ba 'm'a bakeng sa tšebeliso ea morao-rao: Mokhoa ona o ka khetha hang-hang cellulose, e nang le phello ea anti-mildew. Molemo oa mokhoa ona ke hore o na le phetoho e kholoanyane 'me e ka kenyelletsoa ka ho toba ho pente ea latex. Mokhoa oa ho lokisa o tšoana le mehato ①-④. Ⅲ. Lokisetsa motoho bakeng sa ho sebelisoa hamorao: Kaha lihlapolli tsa tlhaho ke lihlapolli tse fokolang (tse sa qhibiliheng) bakeng sa hydroxyethyl, metsoako ena e ka sebelisoa ho lokisa motoho. Litlhapi tse sebelisoang ka ho fetesisa ke lino tse entsoeng ka pente ea latex, joalo ka ethylene glycol, propylene glycol, le li-agent tse etsang lifilimi (tse kang diethylene glycol butyl acetate). Porridge hydroxyethyl cellulose e ka eketsoa ka kotloloho penteng. Tsoela pele ho hlohlelletsa ho fihlela e qhibiliha ka ho feletseng.
(2) Ka har'a lebota la scraping putty:
Hona joale, metseng e mengata ea naha ea heso, putty e thibelang metsi le e thibelang ho senya tikoloho e se e nkoa e le ea bohlokoa ke batho. E hlahisoa ke karabelo ea acetal ea joala ba vinyl le formaldehyde. Ka hona, boitsebiso bona bo tlosoa butle-butle ke batho, 'me lihlahisoa tsa letoto la cellulose ether li sebelisoa ho nkela thepa ena sebaka. Ka mantsoe a mang, bakeng sa nts'etsopele ea lisebelisoa tsa mohaho tse nang le tikoloho, cellulose hona joale ke eona feela thepa. Ka putty e thibelang metsi, e arotsoe ka mefuta e 'meli: putty e ommeng le putty paste. Har'a mefuta ena e 'meli ea putty, methyl cellulose e fetotsoeng le hydroxypropyl methyl e lokela ho khethoa. Tlhaloso ea viscosity hangata e pakeng tsa 30000-60000cps. Mesebetsi e ka sehloohong ea selulose ka putty ke ho boloka metsi, tlamahano le lubrication. Kaha liforomo tsa putty tsa bahlahisi ba fapaneng li fapane, tse ling ke khalsiamo e bohlooho, khalsiamo e bobebe, samente e tšoeu, joalo-joalo, 'me tse ling ke phofo ea gypsum, calcium e bohlooho, khalsiamo e khanyang, joalo-joalo, kahoo litlhaloso, viscosity le ho kenella ha selulose liforomo tse peli le tsona li fapane. Chelete e ekelitsoeng e ka ba 2 ‰-3 ‰. Ha ho hahoa putty ea lebota, kaha bokaholimo ba lebota bo na le tekanyo e itseng ea ho monya metsi (sekhahla sa ho monya metsi ha lerako la litene ke 13%, 'me sekhahla sa ho monya metsi sa konkreite ke 3-5%), hammoho le mouoane oa lefats'e le ka ntle, haeba putty e lahleheloa ke metsi ka potlako , E tla lebisa ho mapetsong kapa ho tlosoa ha phofo, e leng ho tla fokolisa matla a putty. Ka hona, ho eketsa cellulose ether ho tla rarolla bothata bona. Empa boleng ba ho tlatsa, haholo-holo boleng ba molora oa calcium le bona bo bohlokoa haholo. Ka lebaka la viscosity e phahameng ea selulose, bonyatsi ba putty le bona boa ntlafatsoa, 'me ts'ebetso e sisinyehang nakong ea kaho e boetse e qojoa,' me e phutholohile ebile e boloka mosebetsi ka mor'a ho phunya. Ho bonolo haholoanyane ho eketsa cellulose ether ho putty ea phofo. Tlhahiso le tšebeliso ea eona li bonolo haholoanyane. Li-filler le li-additives li ka kopanngoa ka ho lekana ka phofo e omileng.
(3) Seretse sa konkreite:
Ka seretse sa konkreite, ho fihlela matla a ho qetela, samente e tlameha ho ba le metsi ka botlalo. Haholo-holo kahong ea lehlabula, seretse sa konkreite se lahleheloa ke metsi ka potlako, 'me litekanyo tsa hydration e feletseng li sebelisetsoa ho boloka le ho fafatsa metsi. Ho senyeha ha lisebelisoa le ts'ebetso e sa thabiseng, senotlolo ke hore metsi a holim'a metsi feela, 'me metsi a ka hare a ntse a sa fella, kahoo tharollo ea bothata bona ke ho eketsa lisebelisoa tse robeli tse bolokang metsi ho konkreite ea seretse, ka kakaretso khetha hydroxypropyl methyl. kapa methyl Cellulose, tlhaloso ea viscosity e pakeng tsa 20000-60000cps, 'me chelete ea tlatsetso ke 2% -3%. Sekhahla sa ho boloka metsi se ka eketsoa ho feta 85%. Mokhoa oa ho sebelisoa ka konkreite ea seretse ke ho kopanya phofo e omileng ka mokhoa o ts'oanang le ho e tšela ka metsing.
(4) Ho rala gypsum, gypsum e tlanngoeng, gypsum ea caulking:
Ka tsoelo-pele e potlakileng ea indasteri ea kaho, tlhokahalo ea batho ea thepa e ncha ea mohaho le eona e ntse e eketseha letsatsi le letsatsi. Ka lebaka la keketseho ea tlhokomeliso ea batho mabapi le ts'ireletso ea tikoloho le ntlafatso e tsoelang pele ea katleho ea kaho, lihlahisoa tsa gypsum tsa samente li tsoetse pele ka potlako. Hajoale, lihlahisoa tse atileng haholo tsa gypsum ke gypsum ea ho pola, gypsum e tlanngoeng, gypsum e kentsoeng, le sekhomaretsi sa lithaele. Plastering gypsum ke thepa ea boleng bo holimo ea ho lipola mabota le siling. Lerako le manehiloeng ka eona le ntle ebile le boreleli. Sekhomaretsi se secha sa boto ea leseli ke thepa e khomarelang e entsoeng ka gypsum e le lisebelisoa tsa motheo le lisebelisoa tse fapaneng. E loketse ho kopanya pakeng tsa lisebelisoa tse sa tšoaneng tsa lerako la mohaho. Ha e na chefo, ha e na monko o monate, matla a pele le ho beha ka potlako, ho tlamahanngoa ho matla le litšobotsi tse ling, ke lisebelisoa tse tšehetsang mapolanka a mohaho le mohaho oa li-block; gypsum caulking agent ke ho tlatsa lekhalo pakeng tsa liboto tsa gypsum le ho lokisa marako le mapetsong. Lihlahisoa tsena tsa gypsum li na le letoto la mesebetsi e fapaneng. Ntle le karolo ea gypsum le li-fillers tse amanang le tsona, taba ea bohlokoa ke hore li-additives tse ekelitsoeng tsa cellulose ether li bapala karolo e ka sehloohong. Kaha gypsum e arotsoe ka gypsum ea anhydrous le gypsum ea hemihydrate, gypsum e fapaneng e na le liphello tse sa tšoaneng mosebetsing oa sehlahisoa, kahoo ho teteana, ho boloka metsi le ho lieha ho etsa qeto ea boleng ba thepa ea mohaho oa gypsum. Bothata bo tloaelehileng ba lisebelisoa tsena ke ho koala le ho phunyeha, 'me matla a pele a ke ke a finyelloa. Ho rarolla bothata bona, ke ho khetha mofuta oa selulose le mokhoa oa tšebeliso ea motsoako oa retarder. Tabeng ena, methyl kapa hydroxypropyl methyl 30000 hangata e khethoa. -60000cps, chelete ea tlatsetso ke 1.5% -2%. Har'a tsona, selulose e shebana le ho boloka metsi le ho chechisa lubrication. Leha ho le joalo, ho ke ke ha khoneha ho itšetleha ka cellulose ether e le retarder, 'me hoa hlokahala ho eketsa retarder ea citric acid ho kopanya le ho sebelisa ntle le ho ama matla a pele. Ho boloka metsi ka kakaretso ho bolela hore na metsi a tla lahleha hakae ka tlhaho ntle le ho monngoa ha metsi ka ntle. Haeba lerako le omme haholo, ho kenngoa ha metsi le mouoane oa tlhaho holim'a metsi ho tla etsa hore thepa e lahleheloe ke metsi ka potlako, 'me ho tla ba le sekoti le ho phunyeha. Mokhoa ona oa tšebeliso o kopantsoe le phofo e omileng. Haeba u lokisetsa tharollo, ka kopo sheba mokhoa oa ho lokisetsa tharollo.
(5) Seretse se sireletsang mocheso
Seretse sa insulation ke mofuta o mocha oa thepa ea ka hare ea lebota sebakeng se ka leboea. Ke thepa ea lebota e entsoeng ka thepa ea ho kenya letsoho, seretse le binder. Tabeng ena, cellulose e phetha karolo ea bohlokoa ho tlamahaneng le ho eketsa matla. Ka kakaretso khetha methyl cellulose e nang le viscosity e phahameng (hoo e ka bang 10000eps), tekanyo e tloaelehileng e pakeng tsa 2 ‰ -3 ‰), 'me mokhoa oa ho sebelisa ke ho kopanya phofo e omileng.
(6) moemeli oa sebopeho
Khetha HPNC 20000cps bakeng sa moemeli oa sebopeho, khetha 60000cps kapa ho feta bakeng sa sekhomaretsi sa lithaele, 'me u tsepamise maikutlo ho sekontiri se seholo sa sehokelo, se ka ntlafatsang matla a thata le matla a ho thibela motsu. E sebelisoa e le ntho e bolokang metsi ka har'a tlamahano ea lithaele ho thibela lithaele ho tsoa metsi ka potlako le ho oa.
3. Boemo ba ketane ea indasteri
(1) Indasteri e holimo
Lintho tse ka sehloohong tse tala tse hlokahalang bakeng sa tlhahiso ea cellulose ether li kenyelletsa k'hothone e hloekisitsoeng (kapa makhasi a lehong) le lihlahisoa tse ling tse tloaelehileng tsa lik'hemik'hale, tse kang propylene oxide, methyl chloride, liquid caustic soda, caustic soda, ethylene oxide, toluene le lisebelisoa tse ling tse thusang. Likhoebo tsa indasteri tse holimo tsa indasteri ena li kenyelletsa k'hothone e hloekisitsoeng, likhoebo tsa tlhahiso ea makhasi a lehong le likhoebo tse ling tsa lik'hemik'hale. Ho feto-fetoha ha litheko tsa thepa e tala e boletsoeng ka holimo e tla ba le tšusumetso e fapaneng litšenyehelong tsa tlhahiso le theko ea thekiso ea cellulose ether.
Litsenyehelo tsa k'hothone e hloekisitsoeng li batla li phahame. Ho nka thepa ea moaho sehlopha sa cellulose ether e le mohlala, nakong ea tlaleho, theko ea k'hothone e hloekisitsoeng e ne e le 31.74%, 28.50%, 26.59% le 26.90% ea theko ea thekiso ea thepa ea mohaho ea sehlopha sa cellulose ether ka ho latellana. Ho fetoha ha theko ea k'hothone e hloekisitsoeng ho tla ama litšenyehelo tsa tlhahiso ea cellulose ether. Lintho tse ka sehloohong tse tala bakeng sa tlhahiso ea k'hothone e hloekisitsoeng ke lithara tsa k'hothone. Li-linter tsa k'hothone ke e 'ngoe ea lihlahisoa tsa tlhahiso ea k'hothone, tse sebelisoang haholo ho hlahisa makhasi a k'hothone, k'hothone e hloekisitsoeng, nitrocellulose le lihlahisoa tse ling. Boleng ba tšebeliso le tšebeliso ea lithara tsa k'hothone le k'hothone li fapane haholo, 'me ho hlakile hore theko ea eona e tlase ho feta ea k'hothone, empa e na le kamano e itseng le ho fetoha ha theko ea k'hothone. Ho feto-fetoha ha theko ea lithara tsa k'hothone ho ama theko ea k'hothone e hloekisitsoeng.
Ho feto-fetoha ho matla ha theko ea k'hothone e hloekisitsoeng ho tla ba le likhato tse fapaneng taolong ea litšenyehelo tsa tlhahiso, theko ea lihlahisoa le phaello ea likhoebo indastering ena. Ha theko ea k'hothone e hloekisitsoeng e phahame 'me theko ea makhasi a lehong e batla e le theko e tlaase, e le ho fokotsa litšenyehelo, makhasi a lehong a ka sebelisoa e le sebaka sa k'hothone e hloekisitsoeng, haholo-holo bakeng sa tlhahiso ea li-cellulose ethers tse nang le viscosity e tlaase e kang. li-ethers tsa cellulose tsa meriana le tsa lijo. Ho latela lintlha tse tsoang webosaeteng ea Ofisi ea Naha ea Lipalo-palo, ka 2013, sebaka sa naha ea heso sa temo ea k'hothone e ne e le lihekthere tse limilione tse 4,35, 'me tlhahiso ea k'hothone ea naha e ne e le lithane tse limilione tse 6,31. Ho ea ka lipalo-palo tsa Mokhatlo oa China Cellulose Industry Association, ka 2014, kakaretso ea k'hothone e hloekisitsoeng e hlahisoang ke bahlahisi ba ka sehloohong ba k'hothone e hloekisitsoeng malapeng e ne e le lithane tse 332,000, 'me phepelo ea thepa e tala e ngata.
Lisebelisoa tse ka sehloohong tsa tlhahiso ea lisebelisoa tsa lik'hemik'hale tsa graphite ke tšepe le graphite carbon. Theko ea tšepe le graphite carbon e ikarabella bakeng sa karolo e batlang e phahame ea litšenyehelo tsa tlhahiso ea thepa ea lik'hemik'hale tsa graphite. Ho feto-fetoha ha litheko tsa lisebelisoa tsena tse tala ho tla ba le tšusumetso e itseng litšenyehelong tsa tlhahiso le theko ea thekiso ea lisebelisoa tsa lik'hemik'hale tsa graphite.
(2) Indasteri e tlaase ea cellulose ether
Joaloka "industrial monosodium glutamate", cellulose ether e na le karolo e tlaase ea cellulose ether 'me e na le mefuta e mengata ea lisebelisoa. Liindasteri tse tlase li hasane mekhahlelong eohle ea bophelo moruong oa naha.
Ka tloaelo, indasteri ea kaho e tlase le indasteri ea thekiso ea matlo le meaho e tla ba le tšusumetso e itseng ho sekhahla sa kholo ea tlhoko ea thepa ea moaho ea mofuta oa cellulose ether. Ha indasteri ea kaho ea lehae le indasteri ea thekiso ea matlo le meaho e ntse e hola ka potlako, tlhokahalo ea 'maraka oa lapeng bakeng sa thepa ea moaho ea cellulose ether e ntse e hola ka potlako. Ha sekhahla sa kholo ea indasteri ea kaho ea lehae le indasteri ea thekiso ea matlo e fokotseha, sekhahla sa kholo ea tlhokeho ea thepa ea boleng bo holimo ea cellulose ether 'marakeng oa lehae e tla fokotseha, e leng ho tla matlafatsa tlholisano indastering ena le ho potlakisa ts'ebetso ea ho pholoha. e matla ka ho fetisisa har'a likhoebo tsa indasteri ena.
Ho tloha ka 2012, molemong oa ho fokotseha ha indasteri ea kaho ea malapeng le indasteri ea thekiso ea matlo, tlhokahalo ea thepa ea mohaho oa cellulose ether 'marakeng oa lehae ha e so fetohe haholo. Mabaka a ka sehloohong ke: 1. Kakaretso ea kakaretso ea indasteri ea kaho ea lehae le indasteri ea thekiso ea matlo e kholo, 'me tlhoko ea 'maraka e batla e le khōlō; 'maraka o ka sehloohong oa bareki oa thepa ea mohaho oa cellulose ether o ntse o atoloha butle-butle ho tloha libakeng tse tsoetseng pele moruong le litoropong tsa pele le tsa bobeli ho ea libakeng tse bohareng le tse ka bophirimela le metse ea boraro-bohareng, tlhokahalo ea malapeng le ho atolosoa ha sebaka; 2. Karolo ea cellulose ether e kenyellelitsoeng ka theko ea thepa ea mohaho e tlaase, 'me chelete e sebelisoang ke moreki a le mong e nyenyane,' me bareki ba hasane, ba atisang ho ba le tlhokahalo e thata, 'me kakaretso ea tlhokahalo ea' maraka o tlaase o batla o lekana. tsitsitseng; 3. Phetoho ea theko ea 'maraka ke ntlha ea bohlokoa e amang phetoho ea sebopeho sa tlhokahalo ea thepa ea moaho ea cellulose ether. Ho tloha ka 2012, theko ea thekiso ea thepa ea mohaho oa "cellulose ether" e theohile haholo, e bakileng ho theoha ho hoholo ha theko ea lihlahisoa tse bohareng ho isa ho tse phahameng, ho hohela bareki ba bangata ho reka le ho khetha, ho eketsa tlhokahalo ea bohareng ba ho ea holimo. -lihlahisoa tse phahameng, le ho hatella tlhokahalo ea 'maraka le sebaka sa theko bakeng sa mehlala e tloaelehileng.
Tekanyo ea nts'etsopele ea indasteri ea meriana le sekhahla sa kholo ea indasteri ea meriana e tla ama tlhokahalo ea "cellulose ether" ea sehlopha sa meriana. Ntlafatso ea maemo a bophelo a batho le indasteri e tsoetseng pele ea lijo li thusa ho tsamaisa tlhokahalo ea 'maraka ea mofuta oa lijo oa cellulose ether.
4. Mokhoa oa Nts'etsopele ea Cellulose Ether
Ka lebaka la liphapang tsa sebopeho tlhokahalong ea 'maraka ea cellulose ether, lik'hamphani tse nang le matla le mefokolo e fapaneng li ka phela hammoho. Ka lebaka la phapang e totobetseng ea sebopeho sa tlhokahalo ea 'maraka, baetsi ba malapeng ba selulose ba ether ba amohetse mekhoa e fapaneng ea tlhōlisano e thehiloeng ho matla a bona,' me ka nako e ts'oanang, ba tlameha ho utloisisa mokhoa oa tsoelo-pele le tataiso ea 'maraka hantle.
(1) Ho netefatsa botsitso ba boleng ba sehlahisoa e ntse e tla ba ntlha ea mantlha ea tlholisano ea likhoebo tsa cellulose ether.
Cellulose ether e ikarabella bakeng sa karolo e nyane ea litšenyehelo tsa tlhahiso ea likhoebo tse ngata tse tlase indastering ena, empa e na le tšusumetso e kholo ho boleng ba sehlahisoa. Lihlopha tsa bareki ba maemo a holimo ho isa ho a holimo li tlameha ho etsa liteko tsa foromo pele li sebelisa mofuta o itseng oa cellulose ether. Ka mor'a ho etsa mokhoa o tsitsitseng, hangata ha ho bonolo ho nkela lihlahisoa tse ling sebaka sa lihlahisoa, 'me ka nako e ts'oanang, litlhoko tse phahameng li behoa holim'a botsitso ba boleng ba cellulose ether. Ketsahalo ena e hlahella haholo mafapheng a maemo a holimo joalo ka baetsi ba thepa ea kaho e meholo lapeng le kantle ho naha, li-excipients tsa meriana, li-additives tsa lijo le PVC. E le ho ntlafatsa tlhōlisano ea lihlahisoa, bahlahisi ba tlameha ho etsa bonnete ba hore boleng le botsitso ba lihlopha tse fapaneng tsa cellulose ether tseo ba fanang ka tsona li ka bolokoa nako e telele, e le ho theha botumo bo botle ba 'maraka.
(2) Ho ntlafatsa boemo ba theknoloji ea kopo ea sehlahisoa ke tataiso ea nts'etsopele ea likhoebo tsa malapeng tsa cellulose ether
Ka theknoloji e ntseng e hola ea tlhahiso ea cellulose ether, boemo bo phahameng ba theknoloji ea kopo bo thusa ntlafatsong ea tlholisano e felletseng ea likhoebo le ho theha likamano tse tsitsitseng tsa bareki. Likhamphani tse tsebahalang tsa cellulose ether linaheng tse tsoetseng pele haholo-holo li amohela leano la tlholisano la "ho tobana le bareki ba maemo a holimo + ba nts'etsapele lits'ebeliso le ts'ebeliso" ho nts'etsapele lisebelisoa tsa cellulose ether le mekhoa ea ts'ebeliso, le ho lokisa letoto la lihlahisoa ho latela likarolo tse fapaneng tsa kopo tse arotsoeng. ho nolofatsa ts'ebeliso ea bareki, le ho holisa tlhoko ea mebaraka e tlase. Tlhōlisano ea lik'hamphani tsa cellulose ether linaheng tse tsoetseng pele li tlohile ho tloha lihlahisoa ho ea ho tlhōlisano lefapheng la theknoloji ea kopo.
Nako ea poso: Feb-27-2023