Huremu huremu, mutengo wakaderera, kusimba kwesimba, kuumbwa, uye kugadzirisa zviri kukurumidza kufambisa kudiwa kwe thermoplastics, iyo inobatsira kuchengetedza zvemagetsi, mwenje, uye injini dzemotokari.#Polyolefin
PolyOne's thermally conductive compounds anoshandiswa mumotokari uye E/E zvikumbiro, senge mwenje we LED, masingi ekupisa uye zvivharo zvemagetsi.
Covestro's Makrolon thermal PC zvigadzirwa zvinosanganisira mamakisi emarambi e LED uye masingi ekupisa.
RTP's thermally conductive makomisheni inogona kushandiswa mudzimba dzakadai semabhokisi ebhatiri, pamwe nemaradiator uye zvimwe zvakasanganiswa kupisa kupisa zvikamu.
MaOEM ari mumagetsi/magetsi, mota, mwenje, midziyo yekurapa, uye maindasitiri emuchina weindasitiri anga achifarira thermally conductive thermoplastics kwemakore mazhinji nekuti vari kutsvaga mhinduro nyowani dzekushandisa dzinosanganisira maradiators uye zvimwe zvinopisa kupisa, maLED.Case uye bhatiri kesi.
Ongororo yeindasitiri inoratidza kuti zvinhu izvi zviri kukura pamwero wembiri, zvichifambiswa nemashandisirwo matsva akadai semota-yemagetsi ese, mota dzakaoma uye hombe dzekutengesa LED mwenje zvikamu.Thermally conductive mapurasitiki ari kunetsa zvimwe zvechinyakare zvinhu, senge simbi (kunyanya aluminiyamu) uye Ceramics, nekuti ane zvakawanda zvakanakira: epurasitiki makomisheni ane huremu huremu, akaderera mumutengo, nyore kugadzira, customizable, uye anogona kupa mamwe mabhenefiti mukudzikama kwekupisa. , Impact simba uye kukwenya kuramba uye abrasion kuramba.
Zviwedzerwa zvinonatsiridza kudziya kwemafuta zvinosanganisira graphite, graphene, uye ceramic fillers senge boron nitride uye alumina.Tekinoroji yekuzvishandisa iri kufambira mberi uye ichiwedzera mutengo-inoshanda.Imwe maitiro ndeyekuunzwa kweakaderera-mutengo weinjiniya resin (senge naironi 6 uye 66 uye PC) mune thermally conductive makomisheni, ayo anoisa anonyanya kushandiswa akakwira-mutengo zvinhu sePPS, PSU, uye PEI mumakwikwi.
Kupopota kwei?Rimwe bhuku kuRTP rakati: "Kugona kugadzira mambure, kuderedza huwandu hwezvikamu nematanho ekugadzira, uye kuderedza huremu uye mutengo ndiwo masimba ekufambisa ekutora zvinhu izvi.""Kune mamwe maapplication, akadai semagetsi akavharirwa uye component overmolding , Iko kugona kuendesa kupisa kana yave yemagetsi isolator ndiyo inotarisa kutarisa."
Dalia Naamani-Goldman, Maneja weElectronics and Electrical Transportation Marketing yeBASF's Functional Materials Bhizinesi, akawedzera kuti: "Kupisa kwemafuta kuri kukurumidza kuita nyaya yekuwedzera kunetseka kune vanogadzira zvinhu zvemagetsi uye maOEM emotokari.Nekuda kwekufambira mberi kwetekinoroji uye zvipingamupinyi zvemuchadenga, maapplication akaderedzwa uye nekudaro kupisa Kuunganidzwa uye kuparadzira kwesimba kwave kutarisisa.Kana tsoka yechikamu ichi ishoma, zvinonetsa kuwedzera singi yekupisa yesimbi kana kuisa chikamu chesimbi. "
Naamani-Goldman akatsanangura kuti mashandisirwo emagetsi akakwira ari kupinda mumotokari, uye kudiwa kwesimba rekugadzirisa kuri kukura zvakare.Mumotokari yemagetsi bhatiri packs, kushandiswa kwesimbi kuparadzira uye kubvisa kupisa kunowedzera uremu, iyo isarudzo isingafarirwi.Pamusoro pezvo, zvikamu zvesimbi zvinoshanda zvine simba guru zvinogona kukonzera kuvhundutsa kwemagetsi kune ngozi.Thermally conductive asi isiri-conductive yepurasitiki resin inobvumira yakakwira voltages uchichengetedza kuchengetedza kwemagetsi.
Celanese's field development engineer James Miller (akatangira Cool Polymers akawanikwa neCelanese mu2014) akati zvinhu zvemagetsi nemagetsi, kunyanya magetsi nemagetsi mumotokari yemagetsi, zvakakura pamwe nechikamu chechikamu Inowedzera kuwedzera uye inoramba ichiderera."Chimwe chinhu chinodzikisira kudzikiswa kwehukuru hwezvikamu izvi kugona kwavo kutonga kwemafuta.Kuvandudzwa kwesarudzo dzekutakura dzinoita kuti michina iite diki uye inoshanda zvakanyanya. "
Miller akataura kuti mumagetsi emagetsi emagetsi, mapurasitiki anopisa anogona kukwizwa kana kuputirwa, inova sarudzo yekugadzira isingawanikwe musimbi kana ceramics.Kune zvigadzirwa zvekurapa zvinogadzira kupisa (zvakadai semidziyo yekurapa ine makamera kana cauterization zvikamu), iyo dhizaini inoshanduka ye thermally conductive mapurasitiki anobvumira kureruka uremu hunoshanda kurongedza.
Jean-Paul Scheepens, maneja mukuru wePolyOne's specialty engineering materials bhizinesi, akataura kuti maindasitiri emotokari neE/E ndiwo ane kudiwa kukuru kwemakomisheni anoitisa thermally conductive.Akataura kuti zvigadzirwa izvi zvinogona kusangana nemhando dzakasiyana dzevatengi uye indasitiri zvinodiwa, kusanganisira yakawedzera dhizaini rusununguko, inogonesa dhizaini Iyo yakawedzera yepamusoro nzvimbo inogona kuvandudza kupisa kugadzikana.Thermally conductive mapolymers anopawo mamwe maitiro akareruka uye chikamu chekubatanidza, sekubatanidza madhishi ekupisa uye dzimba muchikamu chimwe chete, uye kugona kugadzira yakawedzera kubatana yekupisa manejimendi system.Kubudirira kwakanaka kwehupfumi kwejekiseni molding process ndechimwe chinhu chakanaka.”
Joel Matsco, maneja wekushambadzira wepolycarbonate kuCovestro, anotenda kuti mapurasitiki anopisa anonyanya kutariswa pakushandisa mota.“Ne density mukana we50%, vanogona kudzikisa huremu zvakanyanya.Izvi zvinogona zvakare kuwedzerwa kumotokari dzemagetsi.Mazhinji mabhatiri mamodule achiri kushandisa simbi yekudziya manejimendi, uye nekuti mazhinji mamodule anoshandisa akawanda anodzokorodza zvimiro mukati, anoshandisa yekupisa conductivity Huremu hunochengetwa nekutsiva simbi nemapolymers nekukurumidza kuwedzera.
Covestro anoonawo maitiro ekureruka kwezvikuru zvekutengesa mwenje zvikamu.Matsco anoti: "35-paundi panzvimbo ye70-pound high bay lights inoda chimiro chakaderera uye zviri nyore kune vanoisa kuti varambe vachigadzira."Covestro zvakare ine mapurojekiti ekuvharirwa kwemagetsi senge ma routers, umo mapurasitiki anoita seContainer uye anopa kupisa kutonga.Matsco akati: "Mumisika yese, zvichienderana nedhizaini, tinogona zvakare kuderedza mitengo ne20%.
PolyOne's Sheepens's yakataura kuti mashandisirwo akakosha eiyo tekinoroji yekupisa tekinoroji mumotokari uye E/E inosanganisira mwenje weLED, singi yekupisa uye chassis yemagetsi, senge mamabhodhi, mabhokisi emagetsi, uye manejimendi emagetsi / kuchengetedza maapplication.Saizvozvo, RTP masosi anoona ayo thermally conductive makomisheni ari kushandiswa mudzimba uye kupisa kunyura, pamwe nekuwedzera kusanganisa kupisa kwekushisa zvikamu mumaindasitiri, zvekurapa kana zvemagetsi.
Matsco weCovestro akataura kuti kushandiswa kukuru kwemwenje wekutengesa ndiko kutsiva simbi radiator.Saizvozvo, thermal manejimendi ye-yepamusoro-yekupedzisira network application iri kukura mumarouter uye base zviteshi.BASF's Naamani-Goldman yakanyatso ratidza kuti zvinhu zvemagetsi zvinosanganisira mabara ebhazi, akakwira-voltage junction mabhokisi uye majoini, mota insulators, uye kumberi nekumashure kwekuona kamera.
Celanese's Miller akataura kuti mapurasitiki anopisa aita nhanho huru mukupa 3D dhizaini kuchinjika kuti isangane nepamusoro pekutonga kwemafuta ekuvhenekesa kwe LED.Akawedzera kuti: "Mukuvheneka kwemotokari, yedu CoolPoly Thermally Conductive Polymer (TCP) inoita kuti pave nemagetsi akatetepa pamusoro pemba uye aruminiyamu ekutsiva maredhiya emwenje ekunze."
Celanese's Miller akati CoolPoly TCP inopa mhinduro yekukura kwemotokari musoro-kumusoro kuratidza (HUD) -nekuda kwenzvimbo shoma yedhibhodhi, kuyerera kwemhepo uye kupisa, ichi chishandiso chinoda kupisa kwakanyanya kupfuura kuvhenekera kwakafanana.Chiedza chezuva chinopenya panzvimbo iyi yemotokari."Huremu hwepurasitiki inobatisisa inopisa kupfuura aluminium, iyo inogona kuderedza kuvhunduka uye kudedera pachikamu ichi chemotokari, izvo zvinogona kukonzera kukanganisa kwemufananidzo."
Muchiitiko chebhatiri, Celanese yakawana mhinduro kuburikidza neiyo CoolPoly TCP D nhevedzano, iyo inogona kupa yekupisa conductivity isina magetsi ekufambisa, nekudaro ichisangana neyakaomarara yemhando yemhando yezvinodiwa.Dzimwe nguva, iyo inosimbisa zvinhu mu thermally conductive purasitiki inomisa kureba kwayo, saka Celanese zvinhu nyanzvi dzakagadzira naironi-yakavakirwa giredhi CoolPoly TCP, iyo yakaoma kupfuura yakajairika giredhi (100 MPa flexural simba, 14 GPa flexural modulus, 9 kJ / m2. Charpy notch impact) pasina kupira thermal conductivity kana density.
CoolPoly TCP inopa kuchinjika mukugadzirisa dhizaini uye inokwanisa kusangana nezvinodiwa zvekutamisa kupisa kwezvishandiso zvakawanda zvakamboshandisa aruminiyamu.Mukana wekuumbwa kwayo jekiseni nderekuti aluminium die castings inoshandisa chikamu chimwe muzvitatu chesimba realuminium, uye hupenyu hwesevhisi hunowedzerwa neNguva nhanhatu.
Sekureva kwaMatsco weCovestro, muchikamu chemotokari, chishandiso chikuru ndechekutsiva maredhiyamu mumamodule emwenje, fog rambi module uye taillight module.Kupisa kunyura kwe LED yakakwira danda uye yakaderera danda mabasa, LED mapaipi emwenje uye madhairekitori emwenje, masikati anomhanya mwenje (DRL) uye chinja mwenje mwenje zvese zvinogona kushanda.
Matsco akati: "Imwe yemasimba makuru ekutyaira eMakrolon thermal PC kugona kubatanidza zvakananga basa rekunyura mukati mezvikamu zvekuvhenekesa (senge mareflector, bezels, uye dzimba), iyo inowanikwa neakawanda jekiseni molding kana maviri- chikamu nzira."Kuburikidza nechiratidziro uye furemu inowanzo gadzirwa nePC, iyo yakagadziridzwa yekunamatira inogona kuoneka kana iyo thermally conductive PC inoumbwa pairi kudzora kupisa, nekudaro ichidzikisa kudiwa kwekugadzirisa screws kana anonamatira.Demand.Izvi zvinoderedza huwandu hwezvikamu, mabasa ekubatsira uye yakazara system-level mutengo.Uye zvakare, mumunda wemotokari dzemagetsi, tinoona mikana mune yekupisa manejimendi uye yekutsigira chimiro chebhatiri module. "
BASF's Naamani-Goldman (Naamani-Goldman) akataurawo mumotokari dzemagetsi kuti bhatiri paki zvinhu senge zvinoparadzanisa mabhatiri zvinovimbisa zvikuru.“Mabhatiri eLithium-ion anogadzira kupisa kwakawanda, asi anoda kugara munzvimbo inokwana 65°C, zvikasadaro anodzikisira kana kukundikana.”
Pakutanga, thermally conductive epurasitiki makomisheni aive akavakirwa pakakwirira-magumo einjiniya resins.Asi mumakore achangopfuura, batch engineering resin senge naironi 6 uye 66, PC uye PBT vakaita basa rakakura.Covestro’s Matsco akati: “Zvese izvi zvakawanikwa musango.Nekudaro, nekuda kwezvikonzero zvemitengo, musika unoratidzika kunge wakanyanyonangana nenylon uye polycarbonate. "
Scheepens akati kunyangwe PPS ichiri kushandiswa zvakanyanya, PolyOne naironi 6 ne66 uye PBT yakawedzera.
RTP yakataura kuti nylon, PPS, PBT, PC uye PP ndiwo anonyanya kufarirwa resin, asi zvichienderana nekunetsa kwekushandisa, akawanda epamusoro performance thermoplastics akadai sePEI, PEEK uye PPSU anogona kushandiswa.Rimwe reRTP rakati: "Semuyenzaniso, singi yekupisa yemwenje we LED inogona kugadzirwa nenylon 66 inoumbwa zvinhu kuti ipe kupisa kwekupisa kunosvika 35 W/mK.Kune mabhatiri ekuvhiya ayo anofanirwa kutsungirira kazhinji kuvharirwa, PPSU inodiwa.Magetsi ekudzivirira zvivakwa uye kuderedza kuunganidzwa kwemwando. "
Naamani-Goldman akataura kuti BASF ine akati wandei ekutengesa thermally conductive makomisheni, anosanganisira nylon 6 uye 66 mamakisi.“Kushandiswa kwemidziyo yedu kwakaiswa mukugadzirwa kwakasiyana-siyana sedzimba dzemotokari nemagetsi.Sezvo isu tichiramba tichiona zvinodiwa nevatengi zvekupisa conductivity, iyi inzvimbo inoshanda yekusimudzira.Vatengi vazhinji havazive kuti ndeipi nhanho yavanoda Conductivity, saka zvinhu zvinofanirwa kugadzirwa kuti zvikumbiro zvishande. ”
DSM Engineering Plastics nguva pfupi yadarika yakatanga Xytron G4080HR, 40% girazi faibha yakasimbisa PPS iyo inogonesa mashandiro emagetsi emotokari yekudziya kwekutonga masisitimu.Yakagadzirwa nemafuta ekuchembera zvivakwa, hydrolysis kuramba, dimensional kugadzikana, makemikari kuramba pakupisa kwakanyanya uye inherent flame retardancy.
Maererano nemishumo, chinyorwa ichi chinogona kuchengetedza simba remaawa 6000 kusvika ku10,000 pakushanda kwekushanda kunodarika 130 ° C.Munguva pfupi yapfuura 3000-awa 135 ° C mvura / glycol liquid test, simba rekusimba reXytron G4080HR rakawedzera ne114% uye kureba panguva yekuzorora kwakawedzera ne63% zvichienzaniswa nechigadzirwa chakaenzana.
RTP yakataura kuti maererano nezvinodiwa zvekushandisa, chero yezvakasiyana-siyana zvekuwedzera zvinogona kushandiswa kuvandudza kupisa kwekupisa, uye yakataura kuti: "Iyo inonyanya kufarirwa yekuwedzera inoramba ichiwedzera senge graphite, asi isu tanga tichiongorora sarudzo nyowani senge graphene kana. itsva ceramic additives..system.”
Muenzaniso wekupedzisira wakatangwa gore rapfuura naMartinswerk Div ​​weHuber Engineered Polymers.Sekureva kwemishumo, zvichibva pane alumina, uye nemaitiro matsva ekufambisa (sekuiswa magetsi), kuita kweMartoxid series additives kuri nani pane mamwe alumina uye mamwe maconductive fillers.Martoxid inokwidziridzwa nekudzora particle size kugovera uye morphology kupa yakagadziridzwa kurongedza uye density uye yakasarudzika pamusoro pekurapa.Sekureva kwemishumo, inogona kushandiswa nehuwandu hwekuzadza hunodarika makumi matanhatu muzana pasina kukanganisa michina kana rheological zvivakwa.Inoratidza kugona kwakanyanya muPP, TPO, naironi 6 uye 66, ABS, PC uye LSR.
Covestro's Matsco akataura kuti zvese zviri zviviri graphite negraphene zvakashandiswa zvakanyanya, uye akataura kuti graphite ine mutengo wakaderera uye ine mwero wekupisa conductivity, nepo graphene kazhinji inodhura yakawanda, asi ine pachena yekupisa conductivity zvakanakira.Akawedzera kuti: “Nguva zhinji panodiwa zvekushandisa zvinopisa zvinopisa, zvemagetsi zvinodzivirira (TC/EI), apa ndipo panowanikwa zvinowedzerwa zvakaita seboron nitride.Zvinosuruvarisa, hapana chaunowana.Muchiitiko ichi, boron nitride inopa Kuvharidzirwa kwemagetsi kunovandudzwa, asi kupisa kwekushisa kunoderedzwa.Uyezve, mutengo weboron nitride unogona kunge wakakwira zvakanyanya, saka TC/EI inofanirwa kuve kuita kwenyama kunoda kukurumidza kuratidza kuwedzera mutengo.
Naamani-Goldman weBASF anokutaura neiyi nzira: “Chinetso ndechokuisa dzikamo pakati pethermal conductivity nezvimwe zvinodikanwa;kuve nechokwadi kuti zvinhu zvinogona kugadziriswa zvakanaka muhuwandu hukuru uye kuti michina yemagetsi haidonhe zvakanyanya.Rimwe dambudziko nderekugadzira hurongwa hunogona kugamuchirwa nevakawanda.Mhinduro inodhura. "
PolyOne's Scheepens inotenda kuti ese ari maviri kabhoni-based fillers (graphite) uye ceramic fillers ari kuvimbisa ekuwedzera anotarisirwa kuwana inodiwa yekupisa conductivity uye kuenzanisa zvimwe zvemagetsi uye zvemuchina.
Celanese's Miller akati kambani yakaongorora zvakasiyana-siyana zvekuwedzera izvo zvinosanganisa iyo indasitiri yakasarudzika sarudzo ye vertical integrated base resins kuti ipe proprietary ingredients inogadzira thermal conductivity The range is 0.4-40 W/mK.
Iko kudiwa kwema multifunctional conductive makomisheni akadai seanopisa nemagetsi conductivity kana thermal neflame retardant zvakare inoita kunge iri kuwedzera.
Covestro's Matsco yakataura kuti kambani payakatangisa yayo thermally conductive Makrolon TC8030 uye TC8060 PC, vatengi vakabva vatanga kubvunza kana vangave kugadzirwa magetsi ekudzivirira zvinhu.“Kugadzirisa hakusi nyore.Zvese zvatinoita kuvandudza EI zvichave nemhedzisiro yakaipa paTC.Ikozvino, tinopa Makrolon TC110 polycarbonate uye tiri kugadzira mamwe magadzirirwo ekuzadzisa izvi zvinodiwa.
BASF's Naamani-Goldman akati maapplication akasiyana anoda kupisa kwemafuta uye humwe hunhu, senge bhatiri packs uye yakakwirira-voltage connectors, izvo zvese zvinoda kupisa kupisa uye zvinofanirwa kusangana neakasimba emurazvo retardant zviyero kana uchishandisa lithium-ion mabhatiri.
PolyOne, RTP neCelanese zvese zvakaona kudiwa kukuru kweakawanda-anoshanda makomisheni kubva kumisika yese zvikamu, uye inopa kudziya kwekushisa uye EMI kudzivirira, kukwirira kwepamusoro, kunonoka kwemurazvo, kuvharwa kwemagetsi, uye MaCompound ane mabasa akadai seUV kuramba uye kugadzikana kwekupisa.
Traditional molding techniques haashandi kune yakakwirira-tembiricha zvinhu.Molders vanofanirwa kunzwisisa mamwe mamiriro uye ma paramita ekugadzirisa matambudziko dzimwe nguva anokonzerwa neakakwira tembiricha jekiseni kuumba.
Chidzidzo chitsva chinoratidza kuti rudzi uye huwandu hweLDPE yakasanganiswa neLLDPE inokanganisa sei kurongeka uye kusimba / kuoma kwefirimu rakafuridzwa.Dhata inoratidzwa yeLDPE-rich uye LLDPE-yakapfuma musanganiswa.