Kulemera pang'ono, mtengo wotsika, mphamvu zamphamvu, kuumbika, ndi makonda zikuyendetsa kufunikira kwa ma thermoplastics, omwe amathandiza kuti zamagetsi, zowunikira, ndi injini zamagalimoto zizizizira.#Polyolefin
PolyOne's thermally conductive compounds amagwiritsidwa ntchito pamagalimoto ndi ma E/E, monga kuyatsa kwa LED, zoyikira kutentha ndi zotchingira zamagetsi.
Zogulitsa za Covestro's Makrolon thermal PC zimaphatikizanso magiredi a nyali za LED ndi masinki otentha.
Ma RTP's thermally conductive compounds atha kugwiritsidwa ntchito m'nyumba monga mabokosi a batri, komanso ma radiator ndi zida zophatikizika kwambiri zotayira kutentha.
Ma OEM mumakampani amagetsi / zamagetsi, magalimoto, zowunikira, zida zamankhwala, ndi mafakitale amakina amakina akhala akukonda kwambiri ma thermally conductive thermoplastics kwazaka zambiri chifukwa akufunafuna njira zatsopano zogwiritsira ntchito kuphatikiza ma radiator ndi zida zina zotayira kutentha, ma LED.Mlandu ndi batire.
Kafukufuku wamakampani akuwonetsa kuti zidazi zikukula pamlingo wamitundu iwiri, zoyendetsedwa ndi ntchito zatsopano monga magalimoto amagetsi onse, magalimoto ovuta komanso zida zazikulu zowunikira za LED.Mapulasitiki opangira ma thermally ndizovuta kwambiri zida zachikhalidwe, monga zitsulo (makamaka aluminiyamu) ndi zoumba, chifukwa zili ndi zabwino zambiri: zopangira pulasitiki ndizopepuka, zotsika mtengo, zosavuta kupanga, makonda, ndipo zimatha kupereka zabwino zambiri pakukhazikika kwamafuta. , Mphamvu yamphamvu ndi kukana zokanda komanso kukana abrasion.
Zowonjezera zomwe zimapangitsa kuti matenthedwe azitenthedwa ndi monga graphite, graphene, ndi zodzaza ndi ceramic monga boron nitride ndi alumina.Ukadaulo wowagwiritsa ntchito ukupitanso patsogolo ndipo umakhala wotsika mtengo.Chinthu chinanso ndikuyambitsa ma resin otsika mtengo (monga nayiloni 6 ndi 66 ndi PC) m'magulu opangira ma thermally conductive, omwe amayika zinthu zotsika mtengo kwambiri monga PPS, PSU, ndi PEI pampikisano.
Kukangana konseku ndi chiyani?Gwero lina ku RTP linati: "Kutha kupanga magawo a ukonde, kuchepetsa kuchuluka kwa magawo ndi masitepe ophatikizira, komanso kuchepetsa kulemera ndi mtengo ndizomwe zimapangitsa kuti zinthu izi zitheke.""Pazinthu zina, monga zotsekera zamagetsi ndi kukulitsa chigawo , Kutha kusamutsa kutentha mukakhala chodzipatula chamagetsi ndicho chofunikira kwambiri."
Dalia Naamani-Goldman, Woyang'anira Electronic and Electrical Transportation Marketing wa BASF's Functional Materials Business, anawonjezera kuti: "Kutentha kwamafuta kukukhala vuto lalikulu kwambiri kwa opanga zida zamagetsi ndi OEM zamagalimoto.Chifukwa cha kupita patsogolo kwaukadaulo ndi zopinga za malo, kugwiritsa ntchito kumakhala kocheperako ndipo chifukwa chake kutentha Kusonkhanitsa ndi kufalitsa mphamvu kwakhala kofunikira kwambiri.Ngati gawo la gawoli lili ndi malire, zimakhala zovuta kuwonjezera sinki yachitsulo kapena kuyika chitsulo. ”
Naamani-Goldman adalongosola kuti magetsi okwera kwambiri akulowa m'magalimoto, ndipo kufunikira kwa magetsi akukulirakulira.M'mapaketi a batri yamagetsi amagetsi, kugwiritsa ntchito zitsulo kufalitsa ndi kutaya kutentha kumawonjezera kulemera, chomwe ndi chisankho chosavomerezeka.Kuphatikiza apo, zida zachitsulo zomwe zimagwira ntchito mwamphamvu kwambiri zimatha kuyambitsa kugunda kwamagetsi kowopsa.Thermally conductive koma non-conductive pulasitiki utomoni amalola ma voltages apamwamba pamene kusunga magetsi chitetezo.
Katswiri wa chitukuko cha Celanese James Miller (m'mbuyo wa Cool Polymers wopezedwa ndi Celanese mu 2014) adanena kuti zida zamagetsi ndi zamagetsi, makamaka zida zamagetsi ndi zamagetsi mu magalimoto amagetsi, zakula ndi gawo la chigawo Chimakhala chochuluka kwambiri ndipo chikupitirizabe kuchepa."Chinthu chimodzi chomwe chimalepheretsa kuchepetsa kukula kwa zigawozi ndi kuthekera kwawo pakuwongolera kutentha.Kupititsa patsogolo njira zopangira ma thermally conductive kumapangitsa zida kukhala zazing'ono komanso zogwira ntchito bwino. ”
Miller adawonetsa kuti pazida zamagetsi zamagetsi, mapulasitiki otenthetsera amatha kupindika kapena kupakidwa, chomwe ndi chisankho chapangidwe chomwe sichipezeka muzitsulo kapena zitsulo.Pazida zamankhwala zopangira kutentha (monga zida zamankhwala zokhala ndi makamera kapena zida za cauterization), kusinthasintha kwapangidwe kwa mapulasitiki opangira thermally kumathandizira kunyamula zopepuka zolemetsa.
Jean-Paul Scheepens, manejala wamkulu wa bizinesi yaukadaulo yaukadaulo ya PolyOne, adanenanso kuti mafakitale agalimoto ndi E/E ndi omwe amafunikira kwambiri makina opangira ma thermally conductive.Ananena kuti mankhwalawa amatha kukwaniritsa zosowa zosiyanasiyana za makasitomala ndi mafakitale, kuphatikizapo kuwonjezereka kwapangidwe kamangidwe, kupangitsa mapangidwe Kuwonjezeka kwapamwamba kungapangitse kukhazikika kwa kutentha.Ma polima opangira ma thermally amaperekanso zosankha zopepuka komanso zophatikizika, monga kuphatikiza masinki otentha ndi zomangira m'gawo lomwelo, komanso kuthekera kopanga dongosolo logwirizana kwambiri lowongolera matenthedwe.Kuchita bwino kwachuma kwa njira yopangira jekeseni ndi chinthu china chabwino.”
Joel Matsco, woyang'anira zamalonda wamkulu wa polycarbonate ku Covestro, akukhulupirira kuti mapulasitiki otenthetsera amayang'ana kwambiri ntchito zamagalimoto."Ndi mwayi wochuluka wa pafupifupi 50%, amatha kuchepetsa thupi.Izi zitha kuperekedwanso ku magalimoto amagetsi.Ma module ambiri a batri amagwiritsabe ntchito zitsulo pakuwongolera kutentha, ndipo chifukwa ma module ambiri amagwiritsa ntchito zinthu zambiri zobwerezabwereza mkati, amagwiritsa ntchito matenthedwe otenthetsera Kulemera komwe kumapulumutsidwa posintha zitsulo ndi ma polima kukwera mwachangu. ”
Covestro amawonanso njira yowunikira zinthu zazikulu zowunikira zamalonda.Matsco anati: “Mapaundi 35 m’malo mwa nyale zotalika mapaundi 70 amafunikira kamangidwe kochepa kwambiri ndipo n’zosavuta kuti oikapo azipitiriza kusakatula.”Covestro ilinso ndi mapulojekiti otsekera pakompyuta monga ma routers, momwe zigawo zapulasitiki zimakhala ngati Container ndikupereka kutentha.Matsco adati: "M'misika yonse, kutengera kapangidwe kake, titha kuchepetsanso ndalama mpaka 20%.
PolyOne's Sheepens's idati ntchito zazikulu zaukadaulo wake wamagalimoto otenthetsera mugalimoto ndi E/E zikuphatikiza kuyatsa kwa LED, masinki otentha ndi ma chassis amagetsi, monga ma boardboard, ma inverter mabokosi, ndi kasamalidwe ka mphamvu / chitetezo.Mofananamo, magwero a RTP amawona mankhwala ake opangira thermally conductive akugwiritsidwa ntchito m'nyumba ndi kuzama kwa kutentha, komanso zigawo zowonjezereka zowonongeka zowonongeka m'mafakitale, mankhwala kapena zipangizo zamagetsi.
Matsco waku Covestro adati ntchito yayikulu yowunikira zamalonda ndikusintha ma radiator achitsulo.Momwemonso, kasamalidwe kamafuta ogwiritsira ntchito ma network apamwamba akukulanso mu ma routers ndi malo oyambira.BASF's Naamani-Goldman adanenanso kuti zida zamagetsi zikuphatikiza mipiringidzo yamabasi, mabokosi olumikizirana ndi ma voliyumu apamwamba, ma insulators amagalimoto, makamera akutsogolo ndi kumbuyo.
Miller wa ku Celanese adati mapulasitiki otenthetsera mafuta apita patsogolo kwambiri popereka kusinthika kwa mapangidwe a 3D kuti akwaniritse zofunikira pakuwongolera kutentha pakuwunikira kwa LED.Ananenanso kuti: "Poyatsa magalimoto, CoolPoly Thermally Conductive Polymer (TCP) imathandizira kugwiritsa ntchito nyumba zowunikira zowoneka bwino komanso ma radiator olowa m'malo mwa aluminiyumu pazowunikira zakunja."
Miller wa ku Celanese adati CoolPoly TCP imapereka yankho la chiwonetsero chokulirapo chagalimoto (HUD) -chifukwa cha malo ochepera a dashboard, kutuluka kwa mpweya ndi kutentha, izi zimafunikira kutentha kwakukulu kuposa kuyatsa yunifolomu.Kuwala kwadzuwa kumawalira pamalo awa agalimoto."Kulemera kwa pulasitiki yotentha kwambiri ndi yopepuka kuposa aluminiyamu, yomwe imatha kuchepetsa kugwedezeka ndi kugwedezeka kwa gawo ili lagalimoto, zomwe zingayambitse kusokoneza kwa zithunzi."
Pankhani ya batri, Celanese yapeza njira yatsopano kudzera mu mndandanda wa CoolPoly TCP D, womwe ungapereke matenthedwe otenthetsera opanda magetsi, potero kukwaniritsa zofunikira zamtundu wa ntchito.Nthawi zina, kulimbikitsa zinthu mu thermally conductive pulasitiki malire elongation ake, kotero Celanese akatswiri akatswiri apanga nayiloni ofotokoza CoolPoly TCP, amene ali olimba kuposa mmene kalasi (100 MPa flexural mphamvu, 14 GPa flexural modulus, 9 kJ / m2 Charpy notch impact) popanda kupereka nsembe matenthedwe matenthedwe kapena kachulukidwe.
CoolPoly TCP imapereka kusinthasintha pamapangidwe a convection ndipo imatha kukwaniritsa zofunikira zotengera kutentha kwa mapulogalamu ambiri omwe akhala akugwiritsa ntchito aluminiyamu m'mbiri.Ubwino wa jekeseni wake ndikuti ma aluminiyumu amafa amawononga gawo limodzi mwa magawo atatu a mphamvu za aluminiyamu, ndipo moyo wautumiki umakulitsidwa ndi Sikisi Times.
Malinga ndi Matsco waku Covestro, m'gawo lamagalimoto, ntchito yayikulu ndikusinthira ma radiator mu ma module a nyali yakumutu, ma module a nyali zachifunga ndi ma module a taillight.Masinki otentha a LED apamwamba ndi ntchito zotsika mtengo, mapaipi owunikira a LED ndi maupangiri owunikira, magetsi othamanga masana (DRL) ndi magetsi otembenukira kumayendedwe onse ndizomwe zingagwiritsidwe ntchito.
Matsco adatinso: "Chimodzi mwazinthu zazikulu zoyendetsera Makrolon thermal PC ndikutha kuphatikizira mwachindunji ntchito yothira kutentha m'zigawo zounikira (monga zowunikira, ma bezel, ndi nyumba), zomwe zimatheka ndi jekeseni wambiri kapena awiri- chigawo njira."Kupyolera mu chowonetsera ndi chimango chomwe nthawi zambiri chimapangidwa ndi PC, kumamatira bwino kumawonekera pamene PC yoyendetsa kutentha imapangidwiranso kuti iwononge kutentha, motero kuchepetsa kufunika kokonza zomangira kapena zomatira.Kufuna.Izi zimachepetsa chiwerengero cha magawo, ntchito zothandizira komanso ndalama zonse za dongosolo.Kuphatikiza apo, pankhani yamagalimoto amagetsi, timawona mwayi pakuwongolera kutentha komanso mawonekedwe othandizira ma module a batri. "
Naamani-Goldman wa BASF (Naamani-Goldman) adanenanso m'magalimoto amagetsi kuti zida za batri monga zolekanitsa mabatire zimalonjeza kwambiri.“Mabatire a lithiamu-ion amatulutsa kutentha kwambiri, koma amafunika kukhala pamalo osasinthasintha pafupifupi 65°C, apo ayi adzanyonyotsoka kapena kulephera.”
Poyamba, mapulasitiki opangira thermally conductive anali opangidwa ndi utomoni wapamwamba kwambiri.Koma m'zaka zaposachedwa, ma resin opangira ma batch monga nayiloni 6 ndi 66, PC ndi PBT atenga gawo lalikulu.Matsco wa Covestro anati: “Zonsezi zapezeka kuthengo.Komabe, chifukwa cha mtengo wake, msika ukuwoneka kuti ukungokhazikika pa nayiloni ndi polycarbonate. ”
Scheepens adanena kuti ngakhale PPS imagwiritsidwabe ntchito nthawi zambiri, nayiloni 6 ndi 66 ya PolyOne ndi PBT zawonjezeka.
RTP inanena kuti nayiloni, PPS, PBT, PC ndi PP ndi ma resin otchuka kwambiri, koma kutengera zovuta zomwe zimagwiritsidwa ntchito, ma thermoplastics apamwamba kwambiri monga PEI, PEEK ndi PPSU angagwiritsidwe ntchito.Gwero la RTP linati: "Mwachitsanzo, kutentha kwa nyali ya LED kumatha kupangidwa ndi nayiloni 66 kuti ipereke kutentha kwa 35 W / mK.Pamabatire opangira opaleshoni omwe amayenera kupirira kutsekereza pafupipafupi, PPSU ndiyofunikira.Mphamvu zotchingira magetsi komanso kuchepetsa kuchuluka kwa chinyezi. ”
Naamani-Goldman adati BASF ili ndi zida zingapo zopangira ma thermally conductive, kuphatikiza nayiloni 6 ndi 66."Kugwiritsa ntchito zida zathu kwapangidwa m'njira zosiyanasiyana monga nyumba zamagalimoto ndi zida zamagetsi.Pamene tikupitilizabe kudziwa zosowa zamakasitomala pakupanga matenthedwe, iyi ndi gawo lachitukuko.Makasitomala ambiri sadziwa mulingo womwe amafunikira Conductivity, chifukwa chake zida ziyenera kupangidwa kuti zigwiritsidwe ntchito bwino. ”
DSM Engineering Plastics posachedwapa yakhazikitsa Xytron G4080HR, 40% fiber fiber yolimbitsa magalasi PPS yomwe imapangitsa kuti machitidwe oyendetsa magetsi azitha kugwira ntchito.Amapangidwa ndi kukalamba kwamafuta, kukana kwa hydrolysis, kukhazikika kwapang'onopang'ono, kukana kwamankhwala pakatentha kwambiri komanso kubwezeretsedwa kwamoto kwachilengedwe.
Malinga ndi malipoti, nkhaniyi imatha kukhala ndi mphamvu ya maola 6000 mpaka 10,000 pa kutentha kosalekeza kogwira ntchito kopitilira 130 ° C.M'mayeso aposachedwa kwambiri a 3000-maola 135 ° C amadzi / glycol, kulimba kwa Xytron G4080HR kudakwera ndi 114% ndipo kutalika kwanthawi yopuma kudakwera ndi 63% poyerekeza ndi zomwe zidafanana.
RTP inanena kuti malinga ndi zofunika ntchito, aliyense wa zosiyanasiyana zina angagwiritsidwe ntchito kusintha matenthedwe matenthedwe madutsidwe, ndipo ananena kuti: "Zowonjezera zodziwika kwambiri kupitiriza kukhala zina monga graphite, koma takhala tikufufuza njira zatsopano monga graphene kapena zowonjezera za ceramic..dongosolo.”
Chitsanzo cha izi chinakhazikitsidwa chaka chatha ndi Martinswerk Div ​​wa Huber Engineered Polymers.Malinga ndi malipoti, kutengera aluminiyamu, komanso machitidwe atsopano osamukira (monga magetsi), magwiridwe antchito a Martoxid owonjezera ndi abwino kuposa aluminiyamu ena ndi zodzaza zina.Martoxid imakulitsidwa ndi kuwongolera kagawidwe ka kukula kwa tinthu ndi morphology kuti ipereke kulongedza bwino komanso kachulukidwe komanso chithandizo chapadera chapamwamba.Malinga ndi malipoti, itha kugwiritsidwa ntchito ndi kuchuluka kodzaza kupitilira 60% popanda kukhudza makina kapena ma rheological properties.Imawonetsa kuthekera kwakukulu mu PP, TPO, nayiloni 6 ndi 66, ABS, PC ndi LSR.
Covestro a Matsco adanena kuti graphite ndi graphene zakhala zikugwiritsidwa ntchito kwambiri, ndipo adanena kuti graphite ili ndi mtengo wochepa komanso wochepetsera matenthedwe, pamene graphene nthawi zambiri imakhala ndi ndalama zambiri, koma imakhala ndi ubwino wopangira matenthedwe.Ananenanso kuti: “Nthawi zambiri pamafunika zida za thermally conductive, electrically insulating (TC/EI), ndipo apa ndipamene zowonjezera monga boron nitride ndizofala.Tsoka ilo, simupeza kalikonse.Pachifukwa ichi, boron nitride imapereka Kutsekemera kwa magetsi kumakhala bwino, koma kutentha kwa matenthedwe kumachepetsedwa.Komanso, mtengo wa boron nitride ukhoza kukhala wokwera kwambiri, kotero TC/EI iyenera kukhala yakuthupi yomwe ikufunika mwachangu kutsimikizira kuwonjezeka kwa mtengo.
Naamani-Goldman wa BASF akufotokoza motere: “Vuto liri kulinganiza kulinganiza pakati pa matenthedwe a kutentha ndi zofunika zina;kuonetsetsa kuti zipangizo zimatha kukonzedwa bwino kwambiri komanso kuti makina opangira makina asagwere kwambiri.Vuto lina ndikupanga dongosolo lomwe lingatengedwe ndi anthu ambiri.Njira yotsika mtengo. ”
PolyOne's Scheepens amakhulupirira kuti zodzaza kaboni (graphite) ndi zodzaza za ceramic ndizowonjezera zowonjezera zomwe zikuyembekezeka kukwaniritsa matenthedwe ofunikira ndikuwongolera zinthu zina zamagetsi ndi zamakina.
Celanese's Miller adati kampaniyo yafufuza zowonjezera zosiyanasiyana zomwe zimaphatikiza kusankha kwakukulu kwamakampani opanga ma vertically Integrated resins kuti apereke zosakaniza zomwe zimapanga matenthedwe matenthedwe osiyanasiyana ndi 0.4-40 W / mK.
Kufunika kwa ma multifunctional conductive compounds monga matenthedwe amafuta ndi magetsi kapena matenthedwe amoto ndi retardant akuwonekanso akuwonjezeka.
Matsco a Covestro adanenanso kuti kampaniyo itakhazikitsa Makrolon TC8030 ndi TC8060 PC, makasitomala nthawi yomweyo adayamba kufunsa ngati angapangidwe kukhala zida zotchingira magetsi.“Yankho lake si lophweka.Chilichonse chomwe tichita kukonza EI chidzakhala ndi zotsatira zoyipa pa TC.Tsopano, tikupereka Makrolon TC110 polycarbonate ndipo tikupanga njira zina zothetsera izi.
BASF a Naamani-Goldman ananena kuti ntchito zosiyanasiyana amafuna madutsidwe matenthedwe ndi makhalidwe ena, monga mapaketi batire ndi zolumikizira mkulu-voltage, amene onse amafunikira kutentha dissipation ndi ayenera kukumana okhwima lawi retardant mfundo pamene ntchito mabatire lifiyamu-ion.
PolyOne, RTP ndi Celanese onse awona kufunikira kwakukulu kwa zinthu zambirimbiri kuchokera kumagulu onse amsika, ndipo amapereka matenthedwe otenthetsera ndi kutchingira kwa EMI, kukhudza kwambiri, kuchedwa kwa lawi, kutsekereza magetsi, ndi Ma Compounds okhala ndi ntchito monga kukana kwa UV ndi kukhazikika kwamafuta.
Njira zopangira zachikhalidwe sizothandiza pazinthu zotentha kwambiri.Oumba amafunika kumvetsetsa zinthu zina ndi magawo ena kuti athetse mavuto omwe nthawi zina amayamba chifukwa cha kutentha kwambiri kwa jakisoni.
Kafukufuku watsopano akuwonetsa momwe mtundu ndi kuchuluka kwa LDPE yosakanikirana ndi LLDPE kumakhudzira kusinthika ndi mphamvu / kulimba kwa filimu yowombedwa.Zambiri zimawonetsedwa pazosakaniza za LDPE-rich ndi LLDPE-rich.