Boima bo bobebe, theko e tlase, matla a ts'usumetso e phahameng, ho bōptjoa, le mokhoa oa ho itloaetsa li tsamaisa tlhokahalo ea thermoplastics ka potlako, e thusang ho boloka lisebelisoa tsa elektroniki, mabone le lienjine tsa likoloi li folile.# Polyolefin
PolyOne's thermally conductive compounds e sebelisoa lits'ebetsong tsa makoloi le tsa E/E, joalo ka mabone a LED, lisinki tsa mocheso le lits'oants'o tsa elektroniki.
Lihlahisoa tsa Covestro's Makrolon thermal PC li kenyelletsa limaraka tsa mabone a LED le lisinki tsa mocheso.
Metsoako ea RTP's thermally conductive compements e ka sebelisoa matlong a kang mabokose a betri, hammoho le li-radiator le likarolo tse ling tse kopantsoeng tsa ho qhala mocheso.
Li-OEM tsa motlakase / tsa elektroniki, tsa likoloi, tsa mabone, lisebelisoa tsa bongaka, le liindasteri tsa mochini oa indasteri li 'nile tsa chesehela thermoplastics e tsamaisang mocheso ka lilemo tse ngata hobane li ntse li batla litharollo tse ncha bakeng sa lits'ebetso tse kenyelletsang li-radiator le lisebelisoa tse ling tsa ho futhumatsa mocheso, li-LED.Nyeoe le betri.
Lipatlisiso tsa indasteri li bontša hore lisebelisoa tsena li ntse li hōla ka tekanyo ea litekanyetso tse peli, tse tsamaisoang ke lisebelisoa tse ncha tse kang likoloi tsohle tsa motlakase, likoloi tse rarahaneng le likarolo tse kholo tsa khoebo ea mabone a LED.Li-plastiki tse tsamaisang mocheso li phephetsa lisebelisoa tsa setso tse kang tšepe (haholo-holo aluminium) le lirafshoa, hobane li na le melemo e mengata: metsoako ea polasetiki e bobebe ka boima ba 'mele, e theko e tlaase, e bonolo ho e etsa, e ka khoneha,' me e ka fana ka melemo e mengata ho tsitsitseng mocheso. , Matla a ho ama le khanyetso ea mongoao le ho hanyetsa abrasion.
Li-additives tse ntlafatsang tsamaiso ea mocheso li kenyelletsa graphite, graphene, le li-filler tsa ceramic tse kang boron nitride le alumina.Theknoloji ea ho li sebelisa le eona e ntse e tsoela pele 'me e ba le litšenyehelo tse ngata.Tloaelo e 'ngoe ke ho hlahisoa ha li-resin tsa boenjiniere tse theko e tlase (joalo ka nylon 6 le 66 le PC) ka har'a metsoako e tsamaisang mocheso, e kenyang tlholisano ea thepa ea theko e phahameng e sebelisoang hangata joalo ka PPS, PSU, le PEI.
Mofere-fere o joang?Mohloli oa RTP o itse: "Bokhoni ba ho etsa likarolo tsa marang-rang, ho fokotsa palo ea likarolo le mehato ea ho kopanya, le ho fokotsa boima ba 'mele le litšenyehelo ke tsona tse susumetsang ho sebelisoa ha lisebelisoa tsena.""Bakeng sa lits'ebetso tse ling, joalo ka lits'oants'o tsa motlakase le overmolding ea likarolo, Bokhoni ba ho fetisa mocheso ha o fetoha motlakase o ikhethileng ke sepheo sa tlhokomelo."
Dalia Naamani-Goldman, Mookameli oa Papatso ea Lipalangoang tsa Elektronike le Motlakase oa Khoebo ea Mesebetsi ea Mesebetsi ea BASF, o phaella ka ho re: "Tsamaiso ea mocheso e fetoha bothata bo ntseng bo eketseha ho bahlahisi ba likarolo tsa elektroniki le li-OEM tsa likoloi.Ka lebaka la tsoelo-pele ea thekenoloji le lithibelo tsa sebaka, likopo li fokotsehile 'me ka hona li chesa Ho bokella le ho hasana ha matla ho fetohile sepheo sa tlhokomelo.Haeba mohato oa mohato oa karolo o lekanyelitsoe, ho thata ho eketsa siling ea mocheso ea tšepe kapa ho kenya karolo ea tšepe. ”
Naamani-Goldman o hlalositse hore lits'ebetso tsa motlakase tse phahameng li ntse li kenella ka har'a makoloi, 'me tlhoko ea motlakase le eona e ntse e hola.Lipaketeng tsa betri ea koloi ea motlakase, tšebeliso ea tšepe ho qhalakanya le ho qhala mocheso e eketsa boima ba 'mele, e leng khetho e sa rateheng.Ho feta moo, likarolo tsa tšepe tse sebetsang ka matla a phahameng li ka baka lits'oants'o tse kotsi tsa motlakase.Resin ea polasetiki e tsamaisang mocheso empa e sa sebetse e lumella li-voltage tse phahameng ha o ntse o boloka polokeho ea motlakase.
Moenjiniere oa nts'etsopele ea masimo a Celanese James Miller (pele ho Cool Polymers e fumanoeng ke Celanese ka 2014) o boletse hore likarolo tsa motlakase le tsa elektronike, haholo-holo likarolo tsa motlakase le tsa elektronike likoloing tsa motlakase, li hōlile le sebaka sa karolo E ntse e eketseha le ho feta 'me e tsoela pele ho fokotseha."Ntho e 'ngoe e fokotsang ho fokotsa boholo ba likarolo tsena ke bokhoni ba tsona ba ho laola mocheso.Lintlafatso tsa likhetho tsa ho paka tse tsamaisang mocheso li etsa hore lisebelisoa li be nyane hape li sebetse hantle. ”
Miller o bontšitse hore lisebelisoa tsa elektronike tse matla, li-plastiki tse tsamaisang mocheso li ka koaheloa kapa tsa phutheloa, e leng khetho ea moralo e sa fumaneheng ka tšepe kapa lirafshoa.Bakeng sa lisebelisoa tsa bongaka tse hlahisang mocheso (tse kang lisebelisoa tsa bongaka tse nang le lik'hamera kapa likarolo tsa cauterization), ho feto-fetoha ha moralo oa li-plastiki tsa thermally conductive li lumella ho kenya liphutheloana tse bobebe tse sebetsang.
Jean-Paul Scheepens, molaoli-kakaretso oa khoebo ea thepa e khethehileng ea boenjiniere ea PolyOne, o bontšitse hore liindasteri tsa likoloi le tsa E/E li na le tlhoko e kholo ea metsoako e tsamaisang mocheso.O ile a re lihlahisoa tsena li ka finyella litlhoko tse sa tšoaneng tsa bareki le indasteri, ho kenyelletsa le tokoloho e atolositsoeng ea moralo, moralo o nolofalletsang Sebaka se ntseng se eketseha sa holim'a metsi se ka ntlafatsa botsitso ba mocheso.Li-polymers tse tsamaisang mocheso li boetse li fana ka likhetho tse ling tse bobebe le ho kopanya karolo, joalo ka ho kopanya lisinki tsa mocheso le matlo ka karolo e le 'ngoe, le bokhoni ba ho theha sistimi e kopaneng ea taolo ea mocheso.Ts'ebetso e ntle ea moruo ea mokhoa oa ho bopa ente ke ntlha e 'ngoe e ntle.”
Joel Matsco, molaoli e moholo oa papatso oa polycarbonate ho Covestro, o lumela hore lipolasetiki tse tsamaisang mocheso li shebane haholo le lits'ebetso tsa likoloi."Ka monyetla oa ho ba le letsoalo la hoo e ka bang 50%, ba ka fokotsa boima ba 'mele haholo.Sena se ka fetisetsoa ho likoloi tsa motlakase.Li-module tse ngata tsa betri li ntse li sebelisa tšepe bakeng sa tsamaiso ea mocheso, 'me kaha li-module tse ngata li sebelisa mekhoa e mengata e pheta-phetoang ka hare, li sebelisa conductivity ea mocheso Boima bo bolokiloeng ka ho nkela tšepe sebaka ka li-polymers bo ile ba eketseha ka potlako. "
Covestro e boetse e bona mokhoa o lebisang ho bobebe ba likarolo tse kholo tsa mabone a khoebo.Matsco o re: "Mabone a boima ba lik'hilograma tse 35 sebakeng sa mabone a phahameng a boima ba lik'hilograma tse 70 a hloka sebopeho se fokolang 'me ho bonolo hore ba kentsoeng ba tsoele pele ho tsoela pele ka scaffolding."Covestro e boetse e na le merero e koetsoeng ea elektroniki joalo ka li-routers, moo likarolo tsa polasetiki li sebetsang joalo ka Container le ho fana ka taolo ea mocheso.Matsco o itse: "Mebarakeng eohle, ho latela moralo, re ka fokotsa litšenyehelo ka 20%.
PolyOne's Sheepens's e boletse hore lits'ebetso tsa mantlha tsa theknoloji ea eona ea ho tsamaisa mocheso likoloing le E/E li kenyelletsa mabone a LED, lisinki tsa mocheso le chassis ea elektroniki, joalo ka liboto tsa bo-mme, mabokose a inverter, le ts'ebeliso ea matla / ts'ireletso.Ka mokhoa o ts'oanang, mehloli ea RTP e bona metsoako ea eona ea thermally conductive e sebelisoa matlong le lithabeng tsa mocheso, hammoho le likarolo tse ling tse kopantsoeng tsa ho senya mocheso lihlahisoa tsa indasteri, tsa bongaka kapa tsa elektronike.
Matsco oa Covestro o boletse hore ts'ebeliso ea mantlha ea mabone a khoebo ke ho nkela li-radiator tsa tšepe sebaka.Ka mokhoa o ts'oanang, tsamaiso ea mocheso ea lisebelisoa tse phahameng tsa marang-rang e ntse e hōla ho li-routers le liteishene tsa motheo.Naamani-Goldman oa BASF o supile ka ho hlaka hore likarolo tsa elektroniki li kenyelletsa mekoallo ea libese, mabokose a mateano a maqhubu a matla a phahameng le lihokelo, li-insulators tsa makoloi, le lik'hamera tse ka pele le tse ka morao.
Miller oa Celanese o boletse hore lipolasetiki tse tsamaisang mocheso li hatetse pele haholo ho fana ka meralo e bonolo ea 3D ho fihlela litlhoko tse phahameng tsa taolo ea mocheso bakeng sa mabone a LED.O ile a phaella ka ho re: "Ka mabone a likoloi, CoolPoly Thermally Conductive Polymer (TCP) ea rona e nolofalletsa tšebeliso ea matlo a mabone a holimo a holimo le li-radiator tsa aluminium bakeng sa mabone a ka ntle."
Miller oa Celanese o itse CoolPoly TCP e fana ka tharollo bakeng sa pontšo e ntseng e hōla ea likoloi tsa likoloi (HUD) -ka lebaka la sebaka se lekanyelitsoeng sa dashboard, ho phalla ha moea le mocheso, kopo ena e hloka mocheso o phahameng oa mocheso ho feta mabone a tšoanang.Khanya ea letsatsi e khanyetsa boemo bona ba koloi."Boima ba polasetiki e tsamaisang mocheso bo bobebe ho feta aluminium, e ka fokotsang tšusumetso ea ho ts'oha le ho thothomela karolong ena ea koloi, e ka bakang ho sotha setšoantšo."
Tabeng ea betri, Celanese e fumane tharollo e ncha ka letoto la CoolPoly TCP D, e ka fanang ka conductivity ea mocheso ntle le motlakase oa motlakase, kahoo e finyella litlhoko tse thata tsa boleng ba kopo.Ka linako tse ling, thepa e matlafatsang ka polasetiki e tsamaisang mocheso e fokotsa bolelele ba eona, kahoo litsebi tsa lisebelisoa tsa Celanese li thehile sehlopha sa nylon sa CoolPoly TCP, se thata ho feta sehlopha se tloaelehileng (100 MPa flexural power, 14 GPa flexural modulus, 9 kJ / m2). Charpy notch impact) ntle le ho tela conductivity ea mocheso kapa letsoalo.
CoolPoly TCP e fana ka maemo a bonolo ho moralo oa convection mme e ka fihlela litlhoko tsa phetisetso ea mocheso lits'ebetsong tse ngata tse kileng tsa sebelisa aluminium.Monyetla oa ho bōptjoa ha ente ke hore aluminium die castings e ja karolo ea boraro ea matla a aluminium, 'me bophelo ba tšebeletso bo eketsoa ka makhetlo a tšeletseng.
Ho ea ka Matsco oa Covestro, lefapheng la likoloi, kopo e kholo ke ho nkela li-radiator sebakeng sa li-module tsa mabone a hlooho, li-module tsa lebone la moholi le li-module tsa taillight.Licheso tsa mocheso bakeng sa mesebetsi e phahameng ea khanya ea LED le mahlaseli a tlaase, liphaephe tse khanyang tsa LED le litataiso tse khanyang, mabone a motšehare (DRL) le mabone a khanyang ke lisebelisoa tsohle tse ka sebelisoang.
Matsco o ile a bontša: "E 'ngoe ea matla a maholo a ho khanna a Makrolon thermal PC ke bokhoni ba ho kopanya ka ho toba ts'ebetso ea ho teba ha mocheso likarolong tse khanyang (tse kang li-reflectors, bezel, le housings), tse fihletsoeng ka ho bōptjoa ka liente tse ngata kapa tse peli- mekhoa ea likarolo."Ka sebonela-hōle le foreimi eo hangata e entsoeng ka PC, sekhomaretsi se ntlafalitsoeng se ka bonoa ha PC e tsamaisang mocheso e bōptjoa hape ho eona ho laola mocheso, kahoo e fokotsa tlhokahalo ea ho lokisa li-screw kapa li-adhesives.Tlhokahalo.Sena se fokotsa palo ea likarolo, ts'ebetso e thusang le litšenyehelo tse akaretsang tsa boemo ba sistimi.Ntle le moo, lebaleng la likoloi tsa motlakase, re bona menyetla ea taolo ea mocheso le sebopeho sa tšehetso sa li-module tsa betri. "
Naamani-Goldman oa BASF (Naamani-Goldman) le eena o boletse ka har'a likoloi tsa motlakase hore likarolo tsa pakete ea betri joalo ka li-battery tse arohaneng li ts'episa haholo."Libetri tsa lithium-ion li hlahisa mocheso o mongata, empa li hloka ho lula li le sebakeng se ka bang 65 ° C, ho seng joalo li tla theola kapa li hlolehe."
Qalong, metsoako ea polasetiki e tsamaisang mocheso e ne e thehiloe holim'a li-resin tse phahameng tsa boenjiniere.Empa lilemong tsa morao tjena, li-resin tsa batch engineering tse kang nylon 6 le 66, PC le PBT li bile le karolo e kholo.Matsco oa Covestro o itse: “Sena sohle se fumanoe naheng.Leha ho le joalo, ka lebaka la litšenyehelo, 'maraka o bonahala o tsepamisitsoe haholo ho nylon le polycarbonate. ”
Scheepens o boletse hore le hoja PPS e ntse e sebelisoa hangata, nylon 6 le 66 ea PolyOne le PBT li eketsehile.
RTP e boletse hore nylon, PPS, PBT, PC le PP ke li-resin tse tsebahalang haholo, empa ho latela phephetso ea ts'ebeliso, li-thermoplastics tse ngata tse phahameng tsa ts'ebetso tse kang PEI, PEEK le PPSU li ka sebelisoa.Mohloli oa RTP o itse: "Ka mohlala, sink ea mocheso ea lebone la LED e ka etsoa ka thepa e kopantsoeng ea nylon 66 ho fana ka conductivity ea mocheso ho fihlela ho 35 W / mK.Bakeng sa libeteri tsa opereishene tse tlamehang ho mamella ho koala khafetsa, PPSU ea hlokahala.Lisebelisoa tsa ho kenya motlakase le ho fokotsa ho bokellana ha mongobo."
Naamani-Goldman o boletse hore BASF e na le likhomphutha tse 'maloa tse tsamaisang mocheso, ho kenyeletsoa limaraka tsa nylon 6 le 66."Tšebeliso ea thepa ea rona e kentsoe tlhahiso ka mefuta e fapaneng ea lisebelisoa tse kang matlo a makoloi le lisebelisoa tsa motlakase.Ha re ntse re tsoela pele ho fumana litlhoko tsa bareki bakeng sa conductivity ea mocheso, sena ke sebaka se sebetsang sa nts'etsopele.Bareki ba bangata ha ba tsebe hore na ba hloka Conductivity ea boemo bofe, kahoo lisebelisoa li tlameha ho lokisoa hore lits'ebetso tse ikhethileng li sebetse hantle. ”
DSM Engineering Plastics e sa tsoa qala Xytron G4080HR, e leng 40% fiber fiber e matlafalitsoeng ke PPS e ntlafatsang ts'ebetso ea lisebelisoa tsa tsamaiso ea mocheso oa koloi ea motlakase.E entsoe ka thepa ea botsofali e futhumatsang, ho hanyetsa hydrolysis, botsitso ba dimensional, khanyetso ea lik'hemik'hale mochesong o phahameng le ho lieha ha lelakabe la tlhaho.
Ho ea ka litlaleho, thepa ena e ka boloka matla a lihora tse 6000 ho isa ho 10,000 ka mocheso o tsoelang pele oa ho sebetsa o fetang 130 ° C.Tlhahlobong ea morao-rao ea lihora tse 3000 tsa 135 ° C metsi / glycol ea metsi, matla a ho tiea a Xytron G4080HR a eketsehile ka 114% mme nako ea khefu e eketsehile ka 63% ha e bapisoa le sehlahisoa se lekanang.
RTP e boletse hore ho latela litlhoko tsa kopo, leha e le efe ea mefuta e fapaneng ea li-additives e ka sebelisoa ho ntlafatsa mocheso oa mocheso, 'me ea bontša: "Li-additives tse ratoang ka ho fetisisa li tsoela pele ho ba li-additives tse kang graphite, empa re ntse re hlahloba mekhoa e mecha e kang graphene kapa li-additives tse ncha tsa ceramic..tsamaiso.”
Mohlala oa morao-rao o qalile selemong se fetileng ke Martinswerk Div ​​ea Huber Engineered Polymers.Ho ea ka litlaleho, ho ipapisitsoe le alumina, le bakeng sa mekhoa e mecha ea ho falla (joalo ka motlakase), ts'ebetso ea li-additives tsa Martoxid li molemo ho feta alumina tse ling le li-filler tse ling tse tsamaisang.Martoxid e ntlafatsoa ka ho laola kabo ea boholo ba likaroloana le morphology ho fana ka ho paka le ho hlaka le kalafo e ikhethang ea bokaholimo.Ho ea ka litlaleho, e ka sebelisoa ka chelete ea ho tlatsa e fetang 60% ntle le ho ama thepa ea mechine kapa ea rheological.E bontša bokhoni bo babatsehang ho PP, TPO, nylon 6 le 66, ABS, PC le LSR.
Matsco oa Covestro o boletse hore graphite le graphene li 'nile tsa sebelisoa haholo,' me a bontša hore graphite e na le theko e tlaase le e itekanetseng ea mocheso oa mocheso, athe graphene hangata e bitsa chelete e ngata, empa e na le melemo e totobetseng ea mocheso oa mocheso.O boetse a re: “Hangata ho hlokahala lisebelisoa tsa thermally conductive, electrically insulating (TC/EI), ’me ke hona moo metsoako e kang boron nitride e atileng teng.Ka bomalimabe, ha u fumane letho.Tabeng ena, boron nitride e fana ka Insulation ea motlakase e ntlafatsoa, ​​empa mocheso oa mocheso o fokotsehile.Ho feta moo, litšenyehelo tsa boron nitride li ka 'na tsa e-ba holimo haholo, kahoo TC / EI e tlameha ho fetoha ts'ebetso ea thepa e hlokang ka potlako ho paka ho eketseha ha litšenyehelo.
Naamani-Goldman oa BASF o beha taba ka tsela ena: “Phephetso ke ho leka-lekana pakeng tsa ho tsamaisa mocheso le litlhokahalo tse ling;ho etsa bonnete ba hore lisebelisoa li ka sebetsoa ka mokhoa o atlehileng ka bongata le hore thepa ea mochini ha e theohe haholo.Qholotso e ’ngoe ke ho theha tsamaiso e ka amoheloang ke batho ba bangata.Tharollo e bolokang litšenyehelo. ”
PolyOne's Scheepens e lumela hore li-filler tsa carbon-based (graphite) le li-ceramic fillers ke li-additives tse lebeletsoeng ho finyella mocheso o hlokahalang le ho leka-lekanya thepa e meng ea motlakase le ea mechine.
Miller oa Celanese o re k'hamphani e hlahlobile mefuta e fapaneng ea li-additives tse kopanyang khetho e pharaletseng ka ho fetisisa ea indasteri ea li-resin tsa motheo tse otlolohileng ho fana ka lisebelisoa tsa thepa tse etsang hore ho be le mocheso oa mocheso Mofuteng ke 0.4-40 W / mK.
Tlhokahalo ea metsoako e sebetsang e mengata e kang ea mocheso le motlakase kapa mocheso oa mocheso le lelakabe le eona e bonahala e eketseha.
Matsco ea Covestro o bontšitse hore ha k'hamphani e ne e qala mochini oa eona oa mocheso oa Makrolon TC8030 le TC8060 PC, bareki ba ile ba qala hang-hang ho botsa hore na ba ka etsoa lisebelisoa tsa motlakase tsa motlakase.“Tharollo ha e bonolo hakaalo.Ntho e 'ngoe le e' ngoe eo re e etsang ho ntlafatsa EI e tla ba le phello e mpe ho TC.Hona joale, re fana ka Makrolon TC110 polycarbonate 'me re ntse re hlahisa litharollo tse ling ho finyella litlhoko tsena."
Naamani-Goldman oa BASF o boletse hore likopo tse fapaneng li hloka conductivity ea mocheso le litšoaneleho tse ling, tse kang li-betri packs le li-connectors tse phahameng, tseo kaofela li hlokang mocheso oa mocheso 'me li tlameha ho finyella litekanyetso tse thata tsa ho thibela mollo ha u sebelisa libeteri tsa lithium-ion.
PolyOne, RTP le Celanese kaofela li bone tlhokahalo e kholo ea lik'hemik'hale tse sebetsang ka bongata ho tsoa likarolong tsohle tsa 'maraka,' me li fana ka conductivity ea mocheso le tšireletso ea EMI, tšusumetso e phahameng, ho lieha ha lelakabe, ho kenya motlakase, le Metsoako e nang le mesebetsi e kang ho hanyetsa UV le botsitso ba mocheso.
Mekhoa ea setso ea ho bopa ha e sebetse bakeng sa lisebelisoa tse phahameng tsa mocheso.Li-molders li hloka ho utloisisa maemo a itseng le litekanyetso ho rarolla mathata ka linako tse ling a bakoang ke ho bopa ente ea mocheso o phahameng.
Boithuto bo bocha bo bonts'a hore na mofuta le bongata ba LDPE e tsoakiloeng le LLDPE li ama ts'ebetso le matla / thata ea filimi e fefotsoeng joang.Lintlha li hlahisoa bakeng sa metsoako ea LDPE-rich le LLDPE-rich.