Lebitso la Boitsebiso: Fiber ea Aramid
Sebaka sa Kopo
Fiber ea Aramid ke mofuta o mocha oa fiber e phahameng ea theknoloji e phahameng, matla a phahameng haholo, modulus e phahameng le mocheso o phahameng, ho hanyetsa acid le alkali, boima bo bobebe, thepa e ntle haholo, joalo ka makhetlo a 5 ~ 6 a terata ea tšepe ka matla a eona. modulus ea terata ea tšepe kapa khalase ea fiber 2 ~ 3 linako tse ling, boima ke makhetlo a 2 a terata, 'me boima ke hoo e ka bang 1/5 feela ea terata ea tšepe, mocheso oa likhato tse 560, u se ke ua senya, u se ke ua qhibiliha.
E na le lintho tse ntle tse thibelang botsofali, 'me e na le nako e telele ea bophelo.Ho sibolloa ha fiber ea aramid ho nkoa e le mokhoa oa bohlokoa haholo oa histori lefatšeng la lintho tse bonahalang.
Aramid fiber ke thepa ea bohlokoa ea sesole bakeng sa tšireletso ea naha.E le ho finyella litlhoko tsa ntoa ea morao-rao, hona joale, libaki tsa likulo tsa linaha tse tsoetseng pele tse kang United States le United Kingdom li entsoe ka fiber ea aramid.Bobebe ba lijase le lihelmete tsa aramid faeba tse thibelang likulo le lihelmete li ntlafatsa ka katleho bokhoni ba ho arabela ka potlako le ho bolaea ha mabotho a sesole.Ntoeng ea Gulf, lifofane tsa Amerika le tsa Fora li ne li sebelisa palo e kholo ea lisebelisoa tse entsoeng ka aramid.Ntle le lits'ebetso tsa sesole, joalo ka thepa ea theknoloji e phahameng ea theknoloji e sebelisitsoe haholo sebakeng sa sefofane, mochini le motlakase, kaho, likoloi, thepa ea lipapali le likarolo tse ling tsa moruo oa naha.Mabapi le sefofane le sefofane, fiber ea aramid e boloka mafura a mangata a matla ka lebaka la boima ba eona bo bobebe le matla a phahameng.Ho ea ka boitsebiso ba machaba, nakong ea ts'ebetso ea ho qala sepakapaka, phokotso e 'ngoe le e' ngoe ea boima ba 1 kg e bolela ho fokotsa litšenyehelo tsa liranta tse limilione tse 1 tsa US.Ho feta moo, tsoelo-pele e potlakileng ea saense le theknoloji e bula sebaka se secha sa lehae bakeng sa Aramid.Ho tlalehoa hore hona joale, hoo e ka bang 7 ~ 8% ea lihlahisoa tsa aramid li sebelisetsoa li-flak jackets, lihelmete, joalo-joalo, 'me hoo e ka bang 40% e sebelisetsoa thepa ea sefofane le thepa ea lipapali.Thepa ea masapo a thaere, thepa ea lebanta la conveyor le likarolo tse ling tse ka bang 20%, le thapo e matla e phahameng le likarolo tse ling tse ka bang 13%.
Mefuta le Mesebetsi ea fiber ea Aramid: Fiber ea Para-Aramid (PPTA) le interaromatic amide fiber (PMIA)
Kamora nts'etsopele e atlehileng le nts'etsopele ea liindasteri tsa aramid fiber ke DuPont lilemong tsa bo-1960, ka lilemo tse fetang 30, fiber ea aramid e fetile mothating oa ho tloha ho thepa ea maano ea sesole ho ea ho thepa ea sechaba, 'me theko ea eona e fokotsehile ka hoo e ka bang halofo.Hajoale, likhoele tsa aramid tsa kantle ho naha li ntse li hola boemong ba lipatlisiso le nts'etsopele le tlhahisong ea sekala.Lefapheng la tlhahiso ea fiber ea aramid, fiber ea para aramide ke eona e hōlang ka potlako, 'me matla a eona a tlhahiso a tsepamisitsoe haholo Japane, United States le Europe.Ka mohlala, Kevlar ho tloha dupont, fiber ea Twaron ho tloha Akzo Nobel (e kopantsoeng le Teren), fiber ea Technora e tsoang TeREN ea Japane, fiber ea Terlon e tsoang Russia, joalo-joalo.
Ho na le Nomex, Conex, Fenelon fiber joalo-joalo.Dupont ea United States ke pula-maliboho ho nts'etsopele ea aramid.E boemong ba pele lefatšeng ho sa tsotellehe lipatlisiso le nts'etsopele ea lihlahisoa tse ncha, melao ea tlhahiso le karolo ea 'maraka.Hajoale, likhoele tsa eona tsa Kevlar li na le mefuta e fetang 10, joalo ka Kevlar 1 49 le Kevlar 29, 'me mofuta o mong le o mong o na le litlhaloso tse ngata.Dupont e phatlalalitse selemong se fetileng hore e tla holisa bokhoni ba eona ba tlhahiso ea Kevlar, mme projeke ea katoloso e lebelletsoe ho phetheloa mafelong a selemo sena.Ha rea lokela ho feta, likhoebo tse tsebahalang tsa tlhahiso ea aramid tse kang Di Ren le Hearst li atolositse tlhahiso kapa li kopane, 'me li hlahlobile 'maraka ka mafolofolo, ka tšepo ea ho ba matla a macha indastering ena ea ho chaba ha letsatsi.
Khamphani ea Jeremane Acordis e sa tsoa hlahisa lihlahisoa tse phahameng tsa "ultrafine contrapuntal aron" (Twaron), tse sa cheseng kapa hona ho qhibiliha, 'me li na le matla a phahameng le khanyetso e kholo ea ho itšeha, haholo-holo e sebelisoang tlhahiso ea masela a koahetsoeng le a sa koahetsoeng, lihlahisoa tse lohiloeng le tse ling tse phahameng. - mocheso le ho itšeha khanyetso ea mefuta eohle ea thepa ea masela le liaparo.Bokhabane ba silika e tšesaane ea Twaron ke 60% feela ea arylon ea counterpoint e sebelisoang hangata lisutung tsa ts'ireletso mosebetsing, 'me e ka sebelisoa ho etsa liatlana.· Bokhoni ba eona bo khahlanong le ho itšeha bo ka ntlafatsoa ka 10%.E ka sebelisoa ho hlahisa masela a lohiloeng le lihlahisoa tse lohiloeng, tse nang le matsoho a bonolo le tšebeliso e bonolo haholoanyane.Liatlana tse thibelang ho itšeha tsa Twaron li sebelisoa haholo indastering ea tlhahiso ea likoloi, indasteri ea likhalase le baetsi ba likarolo tsa tšepe.Li ka boela tsa sebelisoa indastering ea meru ho hlahisa lihlahisoa tse sireletsang maoto le ho fana ka thepa e thibelang tšenyo bakeng sa indasteri ea lipalangoang tsa sechaba.
Thepa e thibelang mollo ea Twaron e ka sebelisoa ho fana ka brigade ea mollo ka lisutu tse sireletsang le likobo, hammoho le mafapha a ts'ebetso ea mocheso o phahameng joalo ka ho lahlela, sebōpi, fektheri ea khalase, joalo-joalo, hammoho le tlhahiso ea lisebelisoa tse thibelang mollo bakeng sa litulo tsa lifofane.Fiber ena e phahameng ea ts'ebetso e ka boela ea sebelisoa ho etsa lithaere tsa likoloi, li-hose tse pholileng, V-belt le mechine e meng, lithapo tsa optical fiber le li-bulletproof vests le lisebelisoa tse ling tsa tšireletso, empa hape li ka nka sebaka sa asbestos e le lisebelisoa tsa ho ferekanngoa le thepa ea ho tiisa.
Tlhokahalo ea 'Maraka
Ho ea ka lipalo-palo, tlhokahalo ea lefats'e ea fiber ea aramid ke lithane tse 360,000 / selemo ka 2001, 'me e tla fihla lithane tse 500,000 / selemo ka 2005. Tlhokahalo ea lefats'e ea fiber ea aramid e ntse e eketseha, le fiber ea aramid, e le fiber e ncha e sebetsang hantle. , e kene nakong ea tsoelo-pele e potlakileng.
Kakaretso Aramid Fiber Mebala
Nako ea poso: Feb-14-2022