Likaroloana tsa likaroloana tsa nano-size li eketsa haholo katleho ea lipente tse sireletsang, liphahlo, li-primers le boka ba tšepe bakeng sa tšepe.
Tšebeliso ea li-graphene nanosheets ho ntlafatsa haholo ts'ebetso ke sebaka se batlang se le secha empa se ntse se hōla ka potlako indastering ea pente.
Le hoja tšebeliso ea bona ea lihlahisoa tsa ts'ireletso ea tšepe e le ncha - e rekisoa feela lilemong tse 'maloa tse fetileng - li-graphene nanosheets (NNPs) li 'nile tsa pakoa hore li na le tšusumetso e kholo ho thepa ea li-primers, litlolo, lipente, boka, esita le litlolo.Le hoja tekanyo e tloaelehileng ea khatello ea khatello e fapana ho tloha ho tse seng kae ho ea ho tse seng kae ho ea ho tse seng kae, tlatsetso e nepahetseng ea GNP e tla fetoha tlatsetso e mengata e ka eketsang bophelo ba tšebeletso le nako e telele ea ho roala, ho ntlafatsa lik'hemik'hale, ho hanyetsa kutu, ho hanyetsa oxidation le abrasion. khanyetso.;esita le ho thusa bokaholimo ho tlosa metsi le litšila habonolo.Ho feta moo, li-GNP hangata li sebetsa joalo ka li-synergists, li thusa li-supplement tse ling ho sebetsa ka katleho maemong a tlase ntle le ho fana ka katleho.Li-nanosheet tsa graphene li se li ntse li sebelisoa khoebong lihlahisoa tsa ts'ireletso ea tšepe ho tloha ho li-sealants tsa likoloi, li-sprays le boka ho ea ho li-primers le lipente tse sebelisoang ke baetsi ba likoloi, likonteraka tsa mohaho esita le bareki.Lisebelisoa tse ling (tse kang li-marine antifouling/anticorrosive primers le pente) li tlalehoa li le mothating oa ho qetela oa tlhahlobo 'me li lebelletsoe ho rekisoa lilemong tse' maloa tse tlang.
Bafuputsi Univesithing ea Manchester (Manchester, UK) e bile bona ba pele ba ho arola graphene ea lera le le leng ka 2004, eo ka eona ba ileng ba fuoa Khau ea 2010 ea Nobel ho Fisiks.Graphene nanosheets - mofuta o nang le mekhahlelo e mengata oa graphene o fumanehang ho tsoa ho barekisi ba fapaneng ba nang le botenya ba likaroloana le boholo bo mahareng - ke mefuta ea 2D ea khabone e bataletseng / ea scaly nanosized.Joalo ka li-nanoparticles tse ling, bokhoni ba li-GNP tsa ho fetola le ho ntlafatsa thepa ea lihlahisoa tsa macroscopic tse kang lifilimi tsa polymer, likarolo tsa polasetiki / tse kopaneng, liphahlo, esita le konkreite ha li lekane ka botlalo le boholo ba tsona bo nyane.Mohlala, geometry e sephara, e pharaletseng empa e tšesaane ea li-additives tsa GNP e li etsa hore e be tse loketseng ho fana ka tšireletso e ntle ntle le ho eketsa botenya ba ho roala.Ka lehlakoreng le leng, katleho ea bona ea ho ntlafatsa ts'ebetso ea ho roala hangata e bolela hore ho fokotseha ho fokolang hoa hlokahala kapa ho ka sebelisoa liphahlo tse fokolang.Thepa ea GNP e boetse e na le sebaka se phahameng haholo (2600 m2 / g).Ha li hasane hantle, li ka ntlafatsa haholo litšitiso tsa li-coatings ho lik'hemik'hale kapa likhase, e leng se hlahisang tšireletso e ntlafetseng khahlanong le ho bola le oxidation.Ho phaella moo, ho tloha ponong tribological, ba na le tlaase haholo ho kuta holim'a metsi, e leng se tlatsetsang ntlafatsong ea ho apara ho hanyetsa le ho thella coefficient, e thusang ho fana ka barbotage molemo kwana ho hanyetsa le ho leleka litšila, metsi, likokoana-hloko, algae, joalo-joalo Ha u nahana ka tsena. thepa, ho bonolo ho utloisisa hore na ke hobane'ng ha li-additives tse nyenyane tsa GNP li ka sebetsa hantle hakana ho ntlafatsa thepa ea mefuta e mengata ea lihlahisoa tseo indasteri e li sebelisang letsatsi le leng le le leng.
Le hoja tsona, joaloka li-nanoparticles tse ling, li na le bokhoni bo boholo, ho arola le ho qhala li-graphene nanosheets ka mokhoa o ka sebelisoang ke baetsi ba pente kapa esita le li-formalator tsa polasetiki ha ho bonolo.Ho senya likarolo tse kholo tsa nanoparticles bakeng sa ho hasana hantle (le ho hasana lihlahisoa tse tsitsitseng lishelefong) bakeng sa ho sebelisoa ka polasetiki, lifiliming le liphahlo ho ipakile e le phephetso.
Likhamphani tsa khoebo tsa GNP hangata li fana ka mefuta e fapaneng ea morphologies (mokhahlelo o le mong, oa mekhahlelo e mengata, li-diameter tse fapaneng, maemong a mang, tse nang le ts'ebetso ea lik'hemik'hale tse eketsehileng) le mefuta e fapaneng ea mefuta (phofo e omileng le mokelikeli [o thehiloeng ho qhibilihisitsoeng, metsi kapa resin- based] dispersions bakeng sa litsamaiso tse fapaneng tsa polymer).Baetsi ba tsoetseng pele ka ho fetisisa khoebong ba re ba sebelitse haufi-ufi le baetsi ba pente ho fumana motsoako o motle ka ho fetisisa oa thepa ka ho fetisisa e sebetsang hantle ka ho fetisisa ea dilution ratios ho ntlafatsa boleng ba pente ntle le ho ama thepa e meng ea bohlokoa hampe.Ka tlaase ho na le lik'hamphani tse ling tse ka buisanang ka mosebetsi oa tsona tšimong ea ho roala litšepe tse sireletsang.
Lihlahisoa tsa tlhokomelo ea likoloi e ne e le e 'ngoe ea lisebelisoa tsa pele le tsa bohlokoa ka ho fetisisa tsa graphene indastering ea pente.Senepe: Surf Protection Solutions LLC
E 'ngoe ea lits'ebetso tsa pele tsa khoebo tsa lihlahisoa tsa ts'ireletso ea tšepe ea graphene e ne e le ho trim ea likoloi.Ho sa tsotellehe hore na e sebelisoa ka mokhoa oa metsi, aerosol, kapa boka ba boka, lihlahisoa tsena tsa tlhokomelo ea likoloi tse phahameng li ka sebelisoa ka ho toba penteng ea koloi kapa chrome, ho ntlafatsa khanya le botebo ba setšoantšo (DOI), ho etsa hore likoloi li be bonolo ho li hloekisa, le ho boloka thepa ea ho hloekisa le ho atolosa.tšireletso e phahametse haholo lihlahisoa tse tloaelehileng.Lihlahisoa tse ntlafalitsoeng tsa GNP, tseo tse ling tsa tsona li rekisetsoang bareki ka ho toba 'me tse ling li rekisoa feela ho salons ea botle, li hlōlisana le lihlahisoa tse entsoeng ka ceramic (oxide) (e nang le silika, titanium dioxide, kapa motsoako oa bobeli).Lihlahisoa tse nang le GNP li na le ts'ebetso e phahameng le theko e phahameng kaha li fana ka melemo e mengata ea bohlokoa eo liphahlo tsa ceramic li ke keng tsa fana ka tsona.Graphene's high thermal conductivity e atleha ho qhala mocheso - molemo bakeng sa lihlahisoa tse sebelisoang ka li-hoods le mabili - 'me motlakase oa eona o phahameng oa motlakase o tlosa litefiso tse tsitsitseng, ho etsa hore ho be thata hore lerōle le khomarele.Ka sekhahla se seholo sa ho kopana (likhato tse 125), liphahlo tsa GNP li phalla ka potlako le ka mokhoa o atlehileng haholoanyane, li fokotsa matheba a metsi.Mehaho e metle ea abrasive le lithibelo e sireletsa pente hamolemo ho tsoa mengoaneng, mahlaseling a UV, lik'hemik'hale, oxidation le warping.Ponaletso e phahameng e lumella lihlahisoa tse thehiloeng ho GNP hore li boloke ponahalo e benyang, e hlakileng e tsebahalang haholo lekaleng lena.
Surface Protective Solutions LLC (SPS) ea Grafton, Wisconsin, moetsi oa lihlahisoa ea nang le sebaka se tiileng karolong ena ea 'maraka, o rekisa seaparo se tšoarellang sa graphene se nang le solvent se tšoarellang lilemo tse ngata' me se rekisa pente e entsoeng ka metsi e ntlafalitsoeng ea graphene.Serum bakeng sa ho ama kapele e nkang likhoeli tse 'maloa.Lihlahisoa tsena ka bobeli li fumaneha feela ho litsebi tsa maesthetiki tse koetlisitsoeng le tse nang le lengolo la tumello, leha ho na le merero ea ho fana ka litlolo le lihlahisoa tse ling tsa tlhokomelo ea morao-rao ho bareki haufinyane.Likopo tse lebelletsoeng li kenyelletsa likoloi, literaka le lithuthuthu, 'me lihlahisoa tse ling li se li le haufi le ho rekisetsoa matlo le likepe.(SPS e boetse e fana ka sehlahisoa sa antimony/tin oxide se fanang ka tšireletso ea UV holimo.)
Mopresidente oa SPS Brett Welsien oa hlalosa: “Likhase tsa khale tsa carnauba le li-sealant li ka sireletsa bokaholimo bo pentiloeng ho tloha libekeng ho isa ho likhoeli tse ngata."Liaparo tsa ceramic, tse hlahisitsoeng 'marakeng bohareng ba lilemo tsa bo-2000, li theha maqhama a matla ho substrate mme li fana ka lilemo tsa UV le lik'hemik'hale tse hanyetsanang le lik'hemik'hale, libaka tsa ho itlhoekisa, ho hanyetsa mocheso o phahameng le ho ntlafatsa ho boloka khanya.Leha ho le joalo, bofokoli ba bona ke matheba a metsi.pente e holim'a metsi le litšila tse holim'a metsi tseo liteko tsa rona li bonts'itseng hore li bakiloe ke phetisetso e mpe ea mocheso Ka pele ho 2015 ha lipatlisiso tsa graphene e le sehokelo li qala ea ho hlahisa lihlahisoa tsa k'hamphani e thehiloeng ho GNP, bafuputsi ba fumane hore matheba a metsi le matheba a holim'a metsi (ka lebaka la ho kopana le marotholi a linonyana, lero la lifate, likokoanyana le lik'hemik'hale tse bohale) li fokotsehile ka karolelano ea 50%, hammoho le ho ntlafatsa ho hanyetsa ha abrasion ka lebaka la ho coefficient e tlase ea khohlano.
Applied Graphene Materials plc (AGM, Redcar, UK) ke k'hamphani e fanang ka li-dispersions tsa GNP ho bareki ba 'maloa ba hlahisang lihlahisoa tsa tlhokomelo ea likoloi.Moetsi oa graphene ea lilemo li 11 o itlhalosa e le moetapele oa lefats'e ho nts'etsopele le ts'ebeliso ea li-dispersions tsa GNP ka liphahlo, li-composite le lisebelisoa tse sebetsang.Ha e le hantle, AGM e tlaleha hore indasteri ea lipente le ea ho roala hona joale e ikarabella bakeng sa 80% ea khoebo ea eona, mohlomong hobane litho tse ngata tsa sehlopha sa eona sa theknoloji li tsoa indastering ea lipente le liphahlo, e thusang AGM ho utloisisa lintlha tsa bohloko tsa bahlophisi ba babeli 'me qetellong , basebelisi..
Halo Autocare Ltd. (Stockport, UK) e sebelisa ho hasana ha Genable GNP ea AGM ho lihlahisoa tse peli tsa boka ba koloi ea EZ.E lokollotsoe ka 2020, boka ba graphene bakeng sa liphanele tsa 'mele e kopanya boka ba T1 carnauba, boka ba linotsi le oli ea linate tsa litholoana le li-polymers, li-wetting agents, le GNP ho fetola boitšoaro ba metsi a holim'a metsi le ho fana ka tšireletso ea nako e telele, lifaha tse ntle tsa metsi le lifilimi, pokello e tlaase ea litšila, ho bonolo ho hloekisa, ho felisa marotholi a linonyana le ho fokotsa litšila tsa metsi haholo.Graphene Alloy Wheel Wax e na le melemo ena kaofela, empa ka ho khetheha e etselitsoe lithempereichara tse phahameng, ho eketseha ha mabili le malebela a ho ntša metsi.GNP e eketsoa motheong oa li-microcrystalline wax tsa mocheso o phahameng, oli ea maiketsetso, li-polymers le litsamaiso tsa resin tse phekolehang.Halo e re ho itšetlehile ka tšebeliso, sehlahisoa se tla sireletsa mabili bakeng sa likhoeli tse 4-6.
James Briggs Ltd. (Salmon Fields, UK), e itlhalosang e le e 'ngoe ea lik'hamphani tse kholo ka ho fetisisa tsa lik'hemik'hale tsa malapeng tsa Europe, ke moreki e mong oa AGM ea sebelisang GNP dispersions ho hlahisa sehlahisoa sa eona sa Hycote graphene anti-corrosion primer.Sefafatsi sa aerosol se omisang ka potlako e se nang zinki se na le mamarelo a matle ho litšepe le lipolasetiki 'me se sebelisoa ke batho ba joalo ka mabenkele a 'mele le bareki ho emisa kapa ho thibela ho bola ha bokaholimo ba tšepe le ho lokisa libaka tseo bakeng sa ho penta le ho penta.The primer e fana ka lihora tse fetang 1750 tsa ts'ireletso ea kutu ho latela ASTM G-85, Sehlomathiso sa 5, hammoho le thepa e ntle ea thibelo le ho feto-fetoha ha maemo ntle le ho phunyeha ha tlhahlobo ea cone (ASTM D-522).bophelo ba pele.AGM e boletse hore e sebetsa haufi-ufi le bareki nakong ea ts'ebetso ea ntlafatso ea tlhahiso ho eketsa thepa ea boleng bo phahameng ha e ntse e fokotsa phello ea litšenyehelo tsa sehlahisoa.
Palo le mefuta ea lihlahisoa tsa tlhokomelo ea likoloi tse ntlafatsang GNP 'marakeng li ntse li eketseha ka potlako.Ha e le hantle, boteng ba graphene bo nkoa e le molemo o moholo oa ts'ebetso 'me bo totobatsoa ho chate ea sehlahisoa.|James Briggs Ltd. (ka ho le letšehali), Halo Autocare Ltd. (ka holimo ka ho le letona) le Surface Protective Solutions LLCSurface Protective Solutions LLC (ka tlaase ho le letona)
Liaparo tsa anti-corrosion ke sebaka se ntseng se hola sa kopo ea GNP, moo li-nanoparticles li ka eketsang nako ea ho lokisoa, ho fokotsa tšenyo ea kutu, ho eketsa ts'ireletso ea waranti, le ho fokotsa litšenyehelo tsa taolo ea thepa.|Hershey Coatings Co., Ltd.
Li-GNP li ntse li sebelisoa ka ho eketsehileng ho li-anti-corrosion le li-primers libakeng tse thata (C3-C5).Adrian Potts, CEO oa AGM, o hlalositse: "Ha graphene e kenngoa ka nepo ka har'a lirafshoa kapa tse thehiloeng metsing, graphene e ka fana ka lisebelisoa tse ntle tse thibelang ho bola le ho ntlafatsa taolo ea ho bola."tšusumetso ka ho lelefatsa bophelo ba thepa, ho fokotsa khafetsa le litšenyehelo tsa tlhokomelo ea thepa, le bakeng sa lihlahisoa tse thehiloeng metsing kapa lihlahisoa tse nang le metsoako e chefo e kang zinki ha e sa hlokahala kapa e sebelisoa.sebaka sa tsepamiso le monyetla lilemong tse hlano tse tlang.“Ruse ke ntho e kholo, mafome ha se taba e monate haholo hobane e emetse ho senyeha ha thepa ea moreki, ke bothata bo boholo,” a eketsa.
Moreki oa AGM ea atlehileng ho qala setsi sa sefafatsi sa aerosol ke Halfords Ltd. e thehiloeng Washington, UK, morekisi ea ka sehloohong oa Brithani le oa Ireland oa likarolo tsa likoloi, lisebelisoa, lisebelisoa tsa ho tente le libaesekele.Sehlahisoa sa graphene anti-corrosion primer sa k'hamphani ha se na zinki, se etsa hore se boloke tikoloho.Ho boleloa hore e na le momahano o babatsehang holim'a litšepe tse kenyelletsang tšepe e bonolo, aluminium le Zintec, e tlatsa mefokolo e nyenyane ea holim'a metsi 'me e omelle ka metsotso e 3-4 ho fihlela qetellong ea matte ea lehlabathe ka metsotso e 20 feela.E boetse e fetile lihora tse 1,750 tsa ho fafatsa letsoai le tlhahlobo ea cone ntle le ho peperana.Ho ea ka Halfords, primer e na le khanyetso e ntle ea sag, e lumella botebo bo boholo ba ho roala, 'me e fana ka thepa e ntle ea lithibelo ho lelefatsa bophelo ba ho roala.Ho phaella moo, primer e na le tumellano e babatsehang le moloko oa morao-rao oa lipente tse thehiloeng metsing.
Alltimes Coatings Ltd. ho tloha Stroud, UK, setsebi sa tšireletso ea kutu ea marulelo a tšepe, e sebelisa li-dispersions tsa AGM ho Advantage Graphene mokelikeli oa marulelo bakeng sa mehaho ea indasteri le ea khoebo.Sehlahisoa se eketsa boima bo fokolang ba marulelo, ke boemo ba leholimo le UV bo hanyetsanang, ha bo na li-solvents, metsoako ea lintho tse phelang (VOCs) le isocyanate.Lera le le leng feela le sebelisoa sebakeng se lokiselitsoeng hantle, tsamaiso e na le ho hanyetsa tšusumetso le elasticity e phahameng, katoloso e babatsehang 'me ha e na shrinkage ka mor'a ho folisa.E ka sebelisoa ho feta mocheso oa 3-60 ° C / 37-140 ° F 'me ea sebelisoa hape.Ho eketsoa ha graphene ho ntlafatsa haholo ho hanyetsa kutu, 'me sehlahisoa se fetile teko ea ho se nke lehlakore ea lihora tse 10,000 (ISO9227: 2017), e lelefatsa bophelo ba tiiso ea Autotech ho tloha 20 ho ea ho lilemo tse 30.Ho sa tsotellehe ho theha mokoallo o atlehang haholo khahlanong le metsi, oksijene le letsoai, ho roala ha microporous ho phefumoloha.Ho nolofatsa taeo ea meralo, Alltimes e thehile lenaneo la thuto la Continuing Professional Development (CPD).
Blocksil Ltd. e tsoang Lichfield, UK, e itlhalosa e le k'hamphani ea ho roala likhau e fanang ka matla a tsoetseng pele le litharollo tsa ho boloka basebetsi ho bareki ba indasteri ea likoloi, ea terene, ea kaho, ea matla, ea metsing le ea lifofane.Blocksil e sebelitse haufi-ufi le AGM ho hlahisa moloko o mocha oa liphahlo tsa MT tse thibelang ho bola ka lera le matlafalitsoeng ke graphene bakeng sa tšepe ea sebopeho libakeng tse bulehileng le tse senyang.E fumaneha ka mebala e fapa-fapaneng, VOC le sesebelisoa se se nang solvent, se nang le seaparo se le seng se thibela mongobo ka ho fetisisa 'me se fetile lihora tse 11,800 tsa tlhahlobo ea ho se nke lehlakore ea letsoai bakeng sa 50% e tšoarellang ho feta lihlahisoa tse fetileng.Ha ho bapisoa, Blocksil e re polyvinyl chloride e se nang polasetiki (UPVC) hangata e nka lihora tse 500 tekong ena, ha pente ea epoxy e nka lihora tse 250-300.Khampani e boetse e re pente e ka sebelisoa ho tšepe e mongobo hanyenyane 'me e thibela ho kenella ha metsi nakoana ka mor'a kopo.E hlalositsoe e le e hanyetsanang le bokaholimo, e tla rusa ha feela lithōle tse hlephileng li tlosoa 'me li phekola ntle le mocheso o ka ntle hore li sebelisoe tšimong.Ho roala ho na le mefuta e mengata ea kopo ho tloha ho 0 ho ea ho 60 ° C / 32-140 ° F 'me e fetile liteko tse matla tsa mollo (BS476-3: 2004, CEN/TS1187:2012-Test 4 (ho kenyeletsoa EN13501-5:2016-test 4). )Ho tlalehoa hore seaparo sena se ne se sebelisoa ho li-launcher masts RTÉ (Raidió Teilifís Éireann, Dublin, Ireland) le li-satellite tsa puisano tsa Avanti Communications Group plc (London) le litselaneng tsa terene tse arohaneng le tse tšoanang (SSP), moo li ileng tsa feta EN45545 -2:2013, R7 ho isa ho HL3.
Khampani e 'ngoe e sebelisang liphahlo tse matlafalitsoeng ke GNP ho sireletsa tšepe ke morekisi oa likoloi oa lefats'e oa Martinrea International Inc. (Toronto), e sebelisang likoloi tsa baeti tse nang le graphene-reinforced polyamide (PA, eo hape e bitsoang nylon).(Ka lebaka la thepa ea eona e ntle ea thermoplastic, mofani oa Montreal GNP NanoXplore Inc. o fane ka Martinrea ka seaparo sa GNP / PA se nang le likarolo tsohle.) Sehlahisoa se tlalehoa hore se fokotsa boima ba 'mele ka karolo ea 25 lekholong 'me se fana ka tšireletso e phahameng ea ho apara, ho matlafatsa matla a holimo, le lik'hemik'hale tse ntlafetseng. tshireletso.ho hanyetsa ha ho hloke liphetoho leha e le life ho thepa kapa mekhoa e teng ea tlhahiso.Martinrea o hlokometse hore ts'ebetso e ntlafetseng ea ho roala e ka eketsa ts'ebeliso ea eona ho mefuta e mengata ea likarolo tsa likoloi, haholo-holo likoloi tsa motlakase.
Ka ho phethoa ha liteko tse ngata tsa nako e telele, ts'ireletso ea ho bola ha leoatle le ho thibela litšila ho ka etsahala hore e be ts'ebeliso ea bohlokoa ea GNP.Kenyelletso ea Graphene Talga Group Ltd. hajoale e ntse e lekoa maemong a sebele a leoatle likepeng tse peli tse kholo.E 'ngoe ea likepe e ne e sa tsoa qeta tlhahlobo ea likhoeli tse 15' me ho ne ho boleloa hore likarolo tse koahetsoeng ka primer e matlafalitsoeng ea GNP li bontšitse liphello tse bapisoang kapa tse molemo ho feta lisampole tsa pele ntle le ho matlafatsa, tse seng li bontšitse matšoao a ho bola.|Targa Group Co., Ltd.
Baetsi ba lipente ba bangata le baetsi ba li-graphene ba 'nile ba sebetsa ka thata ho etsa liphahlo tse thibelang ho bola / tse thibelang litšila bakeng sa indasteri ea metsing.Ka lebaka la tlhahlobo e pharalletseng le ea nako e telele e hlokahalang ho fumana tumello sebakeng sena, boholo ba lik'hamphani tseo re buisaneng le tsona li bontšitse hore lihlahisoa tsa bona li ntse li le mokhahlelong oa tlhahlobo le tlhahlobo mme litumellano tsa ho se senole (NDAs) li ba thibela ho buisana ka mosebetsi oa bona lebala.e 'ngoe le e 'ngoe e boletse hore liteko tse entsoeng ho fihlela joale li bonts'itse melemo e kholo ea ho kenyelletsa GNP mapatlelong a leoatle.
K'hamphani e 'ngoe e sa kang ea khona ho qaqisa mosebetsi oa eona ke 2D Materials Pte e thehiloeng Singapore.Ltd., e qalileng ho hlahisa GNP ka tekanyo ea lab ka 2017 le tekanyo ea khoebo selemong se fetileng.Lihlahisoa tsa eona tsa graphene li etselitsoe indasteri ea pente ka ho khetheha, 'me k'hamphani e re esale e sebetsa le barekisi ba babeli ba kholo ka ho fetisisa ba ho thibela kutu ho tloha ka 2019 ho nts'etsapele lipente le lipente bakeng sa lekala lena.2D Materials e boetse e re e sebetsa le k'hamphani e kholo ea tšepe ho kenyelletsa graphene ka har'a oli e sebelisoang ho sireletsa tšepe nakong ea ho tsamaisa le ho boloka.Ho ea ka Chwang Chie Fu, setsebi sa tšebeliso ea lisebelisoa tsa 2D, "graphene e na le phello e kholo ka ho fetisisa lijaneng tse sebetsang hantle."Ka mohlala, bakeng sa litekanyo tse thibelang ho bola indastering ea likepe, zinki ke e 'ngoe ea metsoako e ka sehloohong.Graphene e ka sebelisoa ho fokotsa kapa ho nka sebaka sa zinki liphahlong tsena.Ho eketsa graphene e ka tlase ho 2% ho ka eketsa bophelo ba liphahlo tsena haholo, ho bolelang hore sena se etsa hore e be tlhahiso e ntle haholo eo ho leng thata ho e hana. ”
Talga Group Ltd. (Perth, Australia), k'hamphani ea anode ea betri le graphene e thehiloeng ka 2010, e phatlalalitse pejana selemong sena hore tlatsetso ea eona ea Talcoat graphene bakeng sa li-primers e bontšitse litholoana tse ntle litekong tsa 'nete tsa leoatle la lefatše.Tlatsetso e etselitsoe ka ho khetheha bakeng sa ho sebelisoa lirapeng tsa leoatle ho ntlafatsa ho thibela kutu, ho fokotsa tahlehelo ea pente tikolohong ea metsing le ho ntlafatsa ts'ebetso ka ho eketsa nako ea boema-kepe.Ka ho hlakileng, motsoako ona o omileng o qhalakantsoeng o ka kenyelletsoa ho li-coatings in situ, tse emelang tsoelo-pele e kholo ea khoebo ea lihlahisoa tsa GNP, tseo hangata li fanoang e le li-dispersions tsa mokelikeli ho etsa bonnete ba ho kopanya hantle.
Ka selemo sa 2019, tlatsetso e ile ea kopanngoa le "epoxy primer" e nang le lipakete tse peli ho tsoa ho morekisi ea ka sehloohong oa ho roala, 'me ea sebelisoa mokotleng oa sekepe se seholo sa 700m²/7535ft² e le karolo ea teko ea leoatleng ho lekola ts'ebetso ea seaparo libakeng tse thata tsa leoatle.(Ho fana ka motheo oa sebele, ho ne ho sebelisoa mochine oa khale o tšoailoeng libakeng tse ling ho khetholla sehlahisoa ka seng. Ka mor’a moo, li-primers ka bobeli li ne li koahetsoe ka holimo.) Ka nako eo, tšebeliso ena e ne e nkoa e le eona e khōlō ka ho fetisisa lefatšeng ea graphene.Sekepe se ile sa hlahlojoa likhoeli tse 15 'me likarolo tse koahetsoeng ka GNP e matlafalitsoeng primer ho tlalehoa hore li sebelitse ka mokhoa o tšoanang kapa o betere ho feta oa motheo ntle le ho matlafatsa, tse neng li se li ntse li bontša matšoao a ho bola.Teko ea bobeli e ne e kenyelletsa ho kopanya motsoako oa GNP o phofshoana sebakeng sa marang-rang le pente e 'ngoe ea lipakete tse peli e tsoang ho morekisi e mong ea ka sehloohong oa pente ebe o e fafatsa karolong e kholo ea sets'oants'o se seholo.Linyeoe tse peli li ntse li tsoela pele.Talga o hlokometse hore lithibelo tsa maeto tse amanang le seoa li ntse li tsoela pele ho ama maeto a machabeng, li liehisa litaba tsa hore na tšireletso e sebetsa joang sekepeng sa bobeli.Ka ho khothatsoa ke liphetho tsena, ho boleloa hore Talga e ntse e etsa liphahlo tse thibelang ho silafala ha maoatle, tse thibelang likokoana-hloko bakeng sa tšepe le polasetiki, tse thibelang ho bola bakeng sa likarolo tsa tšepe tse ngata, le litšitiso tse thibelang ho paka polasetiki.
Morero oa nts'etsopele ea GNP o phatlalalitsoeng ka Hlakubele ke Advanced Materials Research Laboratory Toray Industries, Inc. (Tokyo), e ile ea khahla thahasello ea bahlahisi ba ho etsa litlolo, ho kenyeletsoa le ho theha tharollo ea graphene ea ultrafine, eo ho thoeng e bonts'a metsi a mangata.High conductivity ho kopantswe le phahameng motlakase le mocheso conductivity.Ntho ea bohlokoa ho nts'etsopele ke tšebeliso ea polymer e ikhethang (e sa boleloang ka lebitso) eo ho thoeng e laola viscosity ka ho thibela ho bokellana ha li-graphene nanosheets, ka hona ho rarolla bothata ba nako e telele ba ho theha li-dispersions tsa GNP tse ngata haholo.
Ha ho bapisoa le li-dispersions tse tloaelehileng tsa GNP, sehlahisoa se secha sa Toray se nang le metsi a mangata, se nang le polymer e ikhethang e laolang viscosity ka ho thibela graphene nanoparticle aggregation, e hlahisa li-dispersions tse ngata haholo, tse ntle haholo tsa GNP tse nang le mocheso o phahameng oa mocheso le motlakase le ho eketseha ha metsi bakeng sa ho sebetsana le bonolo ho kopanya.|Torey Industries Co., Ltd.
Mofuputsi oa Toray Eiichiro Tamaki oa hlalosa: "graphene e tšesaane e atisa ho bokellana habonolo, e fokotsang metsi 'me e etsa hore ho be thata ho sebelisa lihlahisoa tse kopantsoeng le li-dispersion."Ho qoba bothata ba ho khomarela, li-nanoplates hangata li hlapolloa ka tharollo e tlaase ea mahloriso.Leha ho le joalo, sena se etsa hore ho be thata ho tsepamisa mohopolo ho lekaneng ho sebelisa graphene ka botlalo. ”Phatlalatso e ntle haholo ea GNP le ho eketseha ha mokelikeli bakeng sa ho tšoara le ho kopanya habonolo.Ho boleloa hore lisebelisoa tsa pele li akarelletsa libeteri, li-circuits tsa elektronike bakeng sa khatiso, le litšepe tse thibelang ho bola ho thibela metsi le oksijene ho kena.Khampani e 'nile ea etsa lipatlisiso le ho etsa graphene ka lilemo tse 10' me e bolela hore e thehile theknoloji ea ho hasana ho etsa hore graphene e be theko e tlaase.Bafuputsi ba lumela hore polymer e ikhethang e ama li-nanosheet ka botsona le mokhoa oa ho qhalakanya, Tamaki o hlokometse, a re e sebetsa hantle haholo ka li-solvents tse ngata haholo.
Ka lebaka la melemo eohle e ka bang teng eo GNP e fanang ka eona, ha ho makatse hore ebe lipatente tse fetang 2,300 tse amanang le GNP li fuoe likhoebo le barutehi.Litsebi li bolela esale pele khōlo e khōlō ea theknoloji ena, li re e tla ama liindasteri tse fetang 45, ho akarelletsa le lipente le liaparo.Lintlha tse 'maloa tsa bohlokoa tse sitisang kholo lia felisoa.Ntlha ea pele, mathata a tikoloho, bophelo bo botle le polokeho (EHS) e ka 'na ea e-ba bothata bakeng sa li-nanoparticles tse ncha e le tumello ea taolo (mohlala, tsamaiso ea REACH ea European Union (Registration, Evaluation, Authorization and Restriction of Chemicals) e fokotsehile.Ho feta moo, barekisi ba bangata ba lekile lisebelisoa tse matlafatsang tsa GNP ho utloisisa hamolemo se etsahalang ha se fafatsoa.Baetsi ba graphene ba potlakela ho supa hore kaha GNP e entsoe ka graphite ea tlhaho ea tlhaho, ts'ebetso ea bona e na le tikoloho e ntle ho feta tse ling tse ngata.Phephetso ea bobeli ke ho fumana ho lekaneng ka theko e tlaase, empa sena se boetse se rarolloa ha bahlahisi ba atolosa mekhoa ea bona ea tlhahiso.
"Tšitiso e kholo ho kenyelletsoeng ha graphene indastering e bile matla a tlhahiso ea baetsi ba graphene, hammoho le theko e phahameng ea nalane ea sehlahisoa," ho hlalosa Tarek Jalloul oa Lead Carbon Technologies, morero oa theknoloji oa NanoXplore."Litšitiso tsena tse peli lia hlōloa 'me lihlahisoa tse ntlafalitsoeng tsa graphene li kena molemong oa khoebo ha lekhalo la matla le theko le ntse le fokotseha.Ka mohlala, k'hamphani ea ka e thehiloe ka 2011 'me hona joale e ka hlahisa 4,000 t / t ka selemo, ho latela IDTechEx Research (Boston), re moetsi e moholo ka ho fetisisa oa graphene lefatšeng.Setsi sa rona se secha sa tlhahiso se itirile ka botlalo 'me se na le sebopeho sa modular se ka phetoang habonolo haeba ho hlokahala katoloso.Tšitiso e 'ngoe e kholo lits'ebetsong tsa indasteri ea graphene ke khaello ea tumello ea taolo, empa sena sea etsahala hona joale. ”
"Thepa e fanoang ke graphene e ka ba le tšusumetso e kholo indastering ea lipente le liphahlo," Velzin oa eketsa."Le hoja graphene e na le litšenyehelo tse phahameng ka gram ho feta li-additives tse ling, e sebelisoa ka chelete e nyenyane haholo 'me e fana ka melemo e metle hoo litšenyehelo tsa nako e telele li ka khonehang.hlahisa graphene ?coatings??
"Lintho tsena lia sebetsa 'me re ka bontša hore li ntle haholo," Potts a eketsa."Ho kenyelletsa graphene ho risepe, leha e le ka tekanyo e nyane haholo, ho ka fana ka thepa ea phetoho."
Peggy Malnati is a regular contributor to PF’s sister publications CompositesWorld and MoldMaking Technology magazines and maintains contact with clients through her regional office in Detroit. pmalnati@garpub.com
Masking e sebelisoa mesebetsing e mengata ea ho qetela ea tšepe moo libaka tse itseng feela tsa karolo e ka holimo ea karolo li lokelang ho sebetsoa.Ho e-na le hoo, masking e ka sebelisoa holim'a libaka moo phekolo e sa hlokeheng kapa e lokelang ho qojoa.Sengoliloeng sena se akaretsa lintlha tse ngata tsa masking a ho qetela a tšepe, ho kenyelletsa lits'ebetso, mekhoa le mefuta e fapaneng ea masking e sebelisitsoeng.
Ho khomarela ho ntlafetseng, ho eketseha ha kutu le ho hanyetsa ha blister, le ho fokotsa ho sebelisana ha liphahlo le likarolo ho hloka phekolo ea pele.
Nako ea poso: Nov-28-2022