Seo re Lokelang ho se Tseba ka PVDF (Polyvinlidene Fluoride) Lisebelisoa

Lebitso PVDF le ka utloahala ho sa tloaelehang, empa e na le likopo tse ngata bophelong ba rona.

Lebitso la eona ke Polyvinlidene Fluoride, hape e boetse e tšoana le batho ba polyvinylide, polyvinylidene Fluoride Retin, polyvinylidene Fluoride Retin, Mabapi le chebahalo, hangata ke phofo e tšoeu kapa grannule.

Bo-'mamene ba poly (Vinylidene), haholo-holo joaloka Pvdf Piezoelecticity, ho etsa lipatlisiso le thepa e 'ngoe e ikhethang, joalo ka sehlahisoa sa bobeli se seholo sa lithaelese, tse kang ho hanyetsa lik'hemik'hale tse ngata tsa lik'hemik'hale, ho hanyetsa ha mocheso o phahameng oa lik'hemik'hale , ho hana ha rona hasten le mahlaseli a kotsi, e boetse e na le piezoelecity, e le mashano, mashano le thepa e 'ngoe e ikhethang.

Sebopeho sa lik'hemik'hale sa Fluorocarbon se kopantsoe le mochini oa khabone, 'me sebopeho sena se nang le maqhama a makhuts'oane a etsa kamano e tsitsitseng le e matla ka li-hydrogens. Ka hona, bokooa ba fluoriccarbon ba na le thepa e khethehileng ea 'mele le ea lik'hemik'hale, e sa roala tikoloho e nepahetseng le tšusumetsong ea thata, empa hape le maemong a thata haholo le ea ulfa

LITLHAKISO TSA 'Mele

PVDF e sebelisoa haholo moo bohloeki bo hlokahalang haholo e hlokahalang, hammoho le ho hanyetsa li-solis le athing le li-acide. Pvdf e na le letsoalo le tlase (1.78 g / cm) ho feta li-fluopers tse ling tse kang ftfe.

Pvdf e ka sebelisoa ho hlahisa litlhare, sheet, filimi, e behe, le ho lekola litlolo tsa likhoele. Hape e ka boela ea ente ea ente kapa ea sebelisoa hohle, 'me e sebelisoa haholo indasteri ea lik'hemik'hale, ea mehemati, moo e ka sebelisoang libetri tsa lithium-lion. Ntle le moo, e ka etsoa lifoto tse koahetsoeng ke lifofane tse koahetsoeng ka sekhukhu, tse sebelisoang haholoanyane likolong tsa Aerospace.

Mapa a matle a phofo ea Pvdf, a kang Kynar a le Hyrr 5 Likotsi tsena li na le botsitso bo phahameng haholo le botsitso bo phahameng haholo. Likotsi tsena li ka fumanoa mehahong e mengata e tsebahalang joalo ka Twisi ea Twin Poaks ea Twin Poaks of the Twin Poach

Lifilimi tsa PVDF li ka sebelisoa ho ba liprotheine tse sa sebetseng ka ho nyenyefatsa bophirima ka lebaka la ho ba le boitlamo ba bona bo sa amaneng le Amino acid.

Ka 1969, bafuputsi ba fumane hore pvdff e na le phello e matla ea piezoelectric ea piezoelectric. kholo ho feta boleng bo lumellanang bakeng sa polymers bo fumanoang ka nako eo.

Pvdf e na le mocheso oa khalase (tg) ea ka-celstano ea ka-celstallinity ea ka tloaelo 50-60%. Bakeng sa ho fana ka mefuta ea piezoelectic ho thepa, hangata lintho tsena li otlolohile ka lehlakoreng la limolek'hule, li phatlohile ka thata ho tsitsipano. Α phase (TGTG ), le teronkong (TTPGTTG '). Phapang lipakeng tsa mekhahlelo ena ke hore na Chain ea limolek'hule ke Cis Mabaka ana a e lumella hore e sebelisoe tlhahisong ea sensor le libettri tse kang li-ansor tsa kh'ymographic tse ncha tse sebelisang lifilimi tsa pvdf lifilimi tse ncha.

Ho fapana le lisebelisoa tse ling tse ling tsa piezoelectric, tse kang PZT, pvdf e na le boleng bo bobe ba D33. Ka mantsoe a 'mele, sena se bolela hore ha lisebelisoa tse ling li hola tšimong ea motlakase, likonteraka tsa Pvdf le tse fapaneng.

Thepa ea mantlha

Pvdf hangata e hlahisoa ke ho emisoa ka polymeriention kapa emulsion polymeride ea vinylidene

Ho latela thepa ea 'mele, Pvdf e na le letsoalo le lekanang la 1.76 ho 1.79, e qubu e ngata ea 160 ° C ho isa ho ea likhathatso tse fapaneng tse tsoang ka -60 ° C ho ea ho e qhibilihisa li-qurus tse matla tse kang dimbeylacetamide.

Pvdf e na le thepa e ngata e ikhethang. Taba ea pele, ho na le khatiso e ntle haholo 'me e boloka botsitso esita le mocheso o phahameng. Taba ea bobeli, e na le botsitso bo botle ba lik'hemik'hale 'me ba hanana le lik'hemik'hale tse ngata. Khanyetso ea boemo ba leholimo, UV Ho hanyetsa mahlaseling a matla a matla a litsebi tse phahameng le 'ona. Ntle le moo, Pvdf e na le polasetiki e phahameng, e leng mokhoa o phahameng oa dise, le Deader Angorcric Felangent.

Mabapi le ts'ebetso, PVDF e bonolo ebile e le bonolo ebile e tloaelehile ho bopa, ho iphetetsa le ho bopaha ka ente se ka sebelisoa.

Mabapi le maemo a bopileng, ho omisa ha ho hlokahale bakeng sa sephutheloana sa mantlha; Hangata mocheso oa ente o laoloa ka 180-230 ℃; Mocheso oa lentsoe ke 60-0 ℃; Mocheso oa ho fetoha o felile ke 180-265 ℃; Mme mocheso oa hlooho oa lefuba ke 66-140 ℃.

Bakeng sa polokelo, Pvdf e lokela ho bolokoa ka 5-30 ℃ tikolohong e hloekileng le e omileng ho thibela litšila tse kang lerōle le mongobo hore e se kopanya le mongobo hore e se kopanya le mongobo ho kopanya. Lipalangoang li lokela ho tšoaroa e le thepa e se kotsi, le mocheso, mongobo o matla kapa ho tšimoha mabifi nakong ea ts'ebetso.

Pvdf e bapala karolo ea bohlokoa masimong a mangata

Tšimong ea Petrochemical, ka lebaka la ho hanyetsa ha lik'hemik'hale ea eona e ntle ea lik'hemik'hale, ho fetoha hoa li-pipes, ho na le li-pipemies, litanka le phapanyetsano ea mocheso ka har'a mokelikeli Ho sebetsana le tsamaiso ea lisebelisoa tsa petrochemical.

Pvdf e boetse e sebelisoa masimong a motlakase le a elektroniki. Ka botsitso bo botle ba lik'hemik'hale le thepa ea motlakase ea motlakase, e sebelisoa indasteri ea semiconductor ea polokelo le ho tsamaisa litlhokahalo tsa litebele.

PvdF hape ke e 'ngoe ea lisebelisoa tsa mantlha tsa bosholu ba fluorocarbon, e leng molokong oa bona oa botšelela. Likotsi tsena li sebelisoa ka har'a liteisheneng tsa motlakase, boema-fofane, litseleng tse kholo le libakeng tse ling ka lebaka la ho hanyetsa nako e telele ea leholimo ntle le tlhokomelo.

Ntle le moo, polokelo ea PVDF e ka kopantsoe le phetoho e meng ea Redin ea Qala. Ka mohlala, thepa e nang le likarolo tse nang le likarolo tse kenang ka ho kopanya le ha e rekisitsoe haholo kaho, mokhabiso oa koloi, likheo tse ling le likarolo tse ling.

Pvdf e boetse e na le thepa e ikhethang le ts'ebeliso e khethehileng

Ka mohlala, e na le piezoelectitor, thermoelerictor le mesebetsi e meng, e ka etsoa libopeho tse fapaneng tsa li-sensors tsa bongaka, lisebelisoa tsa bongaka. Tumellanong la protheine, memdf membrane e 'ngoe e ntle ea Nitrocellune membrane ea Nitrocellune Membrane, e ka tlamang li-sputers le arola likarolo tse nyane tsa liprotheine.

Ba hloka ho isoa methall e monate pele ba sebelisoa ho sebetsa lihlopha tse qotsitsoeng ka har'a bona, bo etsang hore ba tlamele mathepone a qotsitsoeng hampe. Buffer ea phetisetso ea menool e ka sebelisoa ho fetisa membranes e reriloeng pele pvdf.

Libaka tsa kopo

Pvdf hangata e sebelisoa e le jase e sa tsitsang ea lithapo tsa motlakase ka lebaka la lintho tse ngata tse makatsang tse kang ho hlekefetsoa, ​​ho hanyetsa ha lik'hemik'hale tse phahameng haholo. Terata e tšesaane e 30-Geugee, e sebelisoang hangata ho lipoiti tse nang le terata, 'me liboto tsa potoloho tsa potoloho li hatisitsoe ke Pvdf. Likokoana-hloko tse nang le likhomphutha tsa Pvdf hangata li bitsoa [Knanar Wire "tlasa lebitso la penshene la pvdf.

Ka lebaka la thepa ea eona ea piezeoericg

Pvdf hape ke ntho e tloaelehileng ea elektrode bakeng sa li-betrium tsa li-lithy Licoo2, Limn2o4 kapa bophelo bo eketsang joalo ka carbofitives e ntšo kapa ea khabone. Moqomo o tšeloa ka sekepeng sa tšepe le NMP o le mouoane oa ho hlophisa thepa electrolyte kapa lithium.

Tšimo ea Biomedical, lifilimi tsa Pvdf hangata li sebelisetsoa ho entoa, moo liprotheine li ngotsoeng. Hobane PvdF e loants'oa ke loasetsoang, filimi e sebelisitsoeng ho 'mino e ka itlotsa lisebelisoa tse ling habonolo. Lithapelo tsa thepa le likhatiso tsa lik'hemik'hale le liprofikeiti tse tlase tsa protheine e lumella hore e sebelisoe ke li-projeke tse kang HPLC, li thibela lisebelisoa tse theko e phahameng ho tloha li senyehile ea likarolo tsa litekanyetso tsena.

Pvdf e boetse e sebelisoa ho etsa lenofilament ea ho tšoasa litlhapi e ikhethang ea ho tšoasa litlhapi e le mokhoa oa setso sa nylon. Mathata a eona a thata a etsa hore e hanyetse haholoanyane ho meno a bohale a litlhapi, 'me boholo ba eona ba mahlomole bo tlase ho nylon, leihlo le tsotehang la litlhapi. E boetse e senyehile ho feta nyalon, e lumella mohala hore o tlose kapele ho tlhapi.

Lirapa tsa PVDF li loketse tlhahlobo e matla ea mopallo ho feta Semicusctor Trafkhorsrs 'me e na le melemo ea ho kopana ka sebopeho ho phatlohe ea Piezocectic. Ka lebaka la litšenyehelo tse tlase le ho hokahana le ho feta, lipapatso tse sebetsang li sebelisa pvdf ho bohlokoa bakeng sa tsoelo-pele ea bophelo bo botle.

Tšimo e ncha ea matla joale e le e 'ngoe ea litaelo tsa bohlokoahali tsa kopo

Tšimong ea likoloi tse ncha tsa matla, Pvdf (Pvdvish Fluoride) e bapala karolo ea bohlokoa.

E bohlokoa haholo ho ba thepa ea mofuta o hlakileng oa borikhoe le diaphragm. Kholo ea thekiso e potlakileng ea thekiso ea koloi ea motlakase, tlhoko ea libeteri tsa lithium e ntse e eketseha ka ho phatloha.

Pvdf e fetohile e 'ngoe ea lisebelisoa tsa bohlokoa tsa ho indasteri ea lithium tsa indasteri e loketseng ho hanyetsa ha ho hanyetsa ha lik'hemik'hale, tsela ea motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase le litšobotsi tsa motlakase.

Joalo ka ha Anode Binder, Pvdf ho thata ho nkeloa sebaka ka nako e khuts'oane.

Betri ea lithium e na le litlhokahalo tse ngata ts'ebetsong ea binder, e lokelang ho nkuoa ke tikolohong ea eona e hanyetsoang tlas'a tikoloho ea electic e motlakase, 'me ka nako e ts'oanang, Ho tsitsa ha eona e matla e lokela ho ba ntho e ntle, 'me voltage ea ho bolaoa e hloka ho ba kaholimo ho 4,5v.

Ka bokooa bo boholo ba lik'hemik'hale, pvdF ho ka hanela khoho ea motlakase, kahoo e sebelisoa ka bongata batter ea polar e-bang ho fihlela 90% hona joale.

Bakeng sa ho ntlafatsa letsoalo la matla, lithium beer li hloka ho sebelisoa ka tekanyo e nyane le e ntle ea ho itlama. Bakeng sa ho etsa bonnete ba ts'ebetso ea Bonding, Pvdf ka kakaretso e hloka ho ba le boima ba molek'hule, hangata ho ba le limilione tse 1,1, 'me tekanyetso e tlameha ho ba le litaba tse tlase tsa metsi.

Ntle le moo, e le ho netefatsa hore libete tsa libetri tsa lithium-Ion li hloka tekanyo e phahameng ea likepe tse fapaneng tsa pvdf.

Akaretsa

Pvdf ke thepa e nang le ts'ebetso e ntle ea ts'ebetso le ts'ebeliso e pharaletseng. Ka tsoelo-pele e tsoelang pele le kholo ea mahlale le mahlale, libaka tsa eona tsa kopo e ka holisa le ho matlafatsoa. Leha ho le joalo, ts'ebetsong ea tšebeliso, ho bohlokoa ho utloisisa ka botlalo litšobotsi tsa eona le likotsi tse ka fokotsang ho netefatsa ts'ebetso ea eona e bolokehileng le e sebetsang.