ʻO ke kaumaha māmā, ke kumu kūʻai haʻahaʻa, ka ikaika o ka hopena kiʻekiʻe, ka moldability, a me ka hana maʻamau ke alakaʻi wikiwiki nei i ka koi no nā thermoplastics, e kōkua i ka mālama ʻana i ka uila, kukui, a me nā mīkini kaʻa.#Polyolefin
Hoʻohana ʻia nā pūhui thermally conductive o PolyOne i nā kaʻa a me nā noi E/E, e like me ke kukui LED, nā wela wela a me nā pā uila.
Loaʻa i nā huahana PC thermal Makrolon Covestro nā māka no nā kukui LED a me nā puʻu wela.
Hiki ke hoʻohana ʻia nā pūhui thermally conductive o RTP i loko o nā hale e like me nā pahu pākahi, a me nā radiators a me nā mea hoʻoheheʻe wela i hoʻohui ʻia.
ʻO nā OEM i ka uila / uila, automotive, kukui, nā lāʻau lapaʻau, a me nā ʻoihana mīkini ʻenehana i makemake nui i nā thermoplastics thermally conductive no nā makahiki he nui no ka mea ke ʻimi nei lākou i nā hoʻonā hou no nā noi me nā radiators a me nā mea hoʻoheheʻe wela, nā LED.Ka pahu a me ka pahu pahu.
Hōʻike ka noiʻi ʻoihana e ulu ana kēia mau mea i ka helu pālua, i alakaʻi ʻia e nā noi hou e like me nā kaʻa uila āpau, nā kaʻa paʻakikī a me nā ʻāpana kukui LED kalepa nui.ʻO nā plastics conductive thermal ka mea paʻakikī i nā mea maʻamau, e like me nā metala (ʻoi aku ka alumini) a me nā seramika, no ka mea, he nui nā mea maikaʻi: ʻoi aku ka māmā o nā pūhui plastik i ke kaumaha, haʻahaʻa i ke kumu kūʻai, maʻalahi ke hana ʻia, hiki ke hāʻawi i nā pono hou aku i ka paʻa wela. , Impact ikaika a me ka scratch pale a me ka abrasion.
ʻO nā mea hoʻohui e hoʻomaikaʻi ai i ka hoʻokele wela e pili ana i ka graphite, graphene, a me nā mea hoʻopiha ceramic e like me ka boron nitride a me ka alumina.Ke holomua nei ka ʻenehana no ka hoʻohana ʻana iā lākou a ʻoi aku ka maikaʻi o ka uku.ʻO kekahi ʻano ʻē aʻe ka hoʻokomo ʻana i nā resins ʻenekinia haʻahaʻa haʻahaʻa (e like me ka nylon 6 a me 66 a me PC) i loko o nā pūhui thermally conductive, kahi e hoʻohana nui ai i nā mea kūʻai kiʻekiʻe e like me PPS, PSU, a me PEI i ka hoʻokūkū.
He aha ke ʻano o ka haunaele?Ua ʻōlelo kekahi kumu ma RTP: "ʻO ka hiki ke hana i nā ʻāpana ʻupena, e hōʻemi i ka nui o nā ʻāpana a me nā ʻanuʻu hui, a hoʻemi i ke kaumaha a me ke kumukūʻai, ʻo ia nā mea ikaika a pau no ka lawe ʻana i kēia mau mea.""No kekahi mau noi, e like me nā pā uila a me ka overmolding ʻāpana, ʻo ka hiki ke hoʻololi i ka wela ke lilo i mea hoʻokaʻawale uila ke kumu o ka nānā."
Ua hoʻohui ʻo Dalia Naamani-Goldman, Luna Hoʻokele o ka Electronic and Electrical Transportation Marketing o BASF's Functional Materials Business: "Ke lilo nei ka thermal conductivity i mea pilikia e hoʻonui ai i ka hopohopo no nā mea hana uila a me nā OEM automotive.Ma muli o ka holomua ʻenehana a me nā kaohi o ka lewa, ua liʻiliʻi ʻia nā noi a no laila wela Ua lilo ka hōʻiliʻili a me ka hoʻolaha ʻana o ka mana i ka manaʻo.Inā kaupalena ka wāwae o ka mea, paʻakikī ke hoʻohui i kahi mea metala wela a i ʻole e hoʻokomo i kahi mea metala.
Ua wehewehe ʻo Naamani-Goldman e komo ana nā noi uila kiʻekiʻe i nā kaʻa, a ke ulu nei ke koi no ka mana hana.I loko o nā ʻeke ʻeke uila kaʻa, ʻo ka hoʻohana ʻana i ka metala e hoʻopuehu a hoʻopau i ka wela e hoʻonui i ke kaumaha, kahi koho ʻole.Eia kekahi, hiki i nā ʻāpana metala e hana ana i ka mana kiʻekiʻe ke kumu i nā haʻalulu uila.ʻO ka resin plastic thermally conductive akā ʻaʻole conductive hiki i nā voltage kiʻekiʻe ke mālama i ka palekana uila.
Ua ʻōlelo ka ʻenekini hoʻomohala kula ʻo Celanese ʻo James Miller (ka mea ma mua o Cool Polymers i loaʻa e Celanese i ka makahiki 2014) ua ulu aʻe nā ʻāpana uila a me nā mea uila, ʻoi aku ka uila a me nā ʻāpana uila i nā kaʻa uila, ua ulu aʻe me ka nui o ka nui."ʻO kahi mea e kaupalena ana i ka hōʻemi ʻana o kēia mau mea ʻo ko lākou hiki ke hoʻokele wela.ʻO ka hoʻomaikaʻi ʻana i nā koho hoʻopihapiha thermally conductive e ʻoi aku ka liʻiliʻi a ʻoi aku ka maikaʻi.
Ua kuhikuhi ʻo Miller i nā mea uila uila, hiki ke hoʻoheheʻe ʻia a hoʻopaʻa ʻia paha nā plasticly conductive plastics, kahi koho hoʻolālā ʻaʻole i loaʻa i nā metala a i ʻole nā ​​​​mea seramika.No nā lāʻau lapaʻau hoʻoulu wela (e like me nā lāʻau lapaʻau me nā kamera a i ʻole nā ​​​​mea cauterization), hiki i ka hoʻolālā hoʻolālā o nā plasticly conductive thermally ke hiki ke hoʻopaʻa ʻia i ke kaumaha māmā.
Ua hōʻike ʻo Jean-Paul Scheepens, ka luna nui o ka ʻoihana ʻenehana loea kūikawā o PolyOne, ʻo ka ʻoihana kaʻa a me ka E/E ka makemake nui loa no nā pūhui thermally conductive.Ua ʻōlelo ʻo ia e hiki i kēia mau huahana ke hoʻokō i nā ʻano mea kūʻai aku a me nā pono o ka ʻoihana, me ka hoʻonui ʻana i ke kūʻokoʻa hoʻolālā, hiki i ka hoʻolālā ʻana Hiki ke hoʻonui i ka paʻa wela.Hāʻawi nā polymers thermally conductive i nā koho māmā a me ka hoʻohui ʻana i nā ʻāpana, e like me ka hoʻohui ʻana i nā wela wela a me nā hale i loko o ka ʻāpana like, a me ka hiki ke hana i kahi ʻōnaehana hoʻokele wela hui.ʻO ka maikaʻi o ka hoʻokele waiwai o ke kaʻina hana hoʻoheheʻe ʻia kekahi mea maikaʻi.”
Manaʻo ʻo Joel Matsco, ka luna kūʻai kiʻekiʻe no ka polycarbonate ma Covestro, ʻo ka thermally conductive plastics e pili nui ana i nā noi automotive."Me ka waiwai nui o kahi 50%, hiki iā lākou ke hōʻemi nui i ke kaumaha.Hiki ke hoʻonui ʻia kēia i nā kaʻa uila.Hoʻohana mau ka nui o nā modula pākaukau i ka metala no ka hoʻokele wela, a no ka hoʻohana ʻana o ka hapa nui o nā modules i nā hale hana hou i loko, hoʻohana lākou i ka conductivity thermal.
ʻIke pū ʻo Covestro i kahi ʻano i ka māmā māmā o nā ʻāpana kukui kalepa nui.Hōʻike ʻo Matsco: "35-paona ma kahi o 70-paona mau kukui bay kiʻekiʻe e pono ai ka liʻiliʻi o ka hale a ʻoi aku ka maʻalahi o nā mea hoʻonohonoho e hoʻokau i ka scaffolding."Loaʻa iā Covestro nā papahana hoʻopili uila e like me nā mea hoʻokele, kahi e hana ai nā ʻāpana plastik ma ke ʻano he Container a hāʻawi i ka hoʻokele wela.Ua ʻōlelo ʻo Matsco: "Ma nā mākeke āpau, e pili ana i ka hoʻolālā, hiki iā mākou ke hōʻemi i nā kumukūʻai a hiki i 20%."
Ua ʻōlelo ʻo PolyOne's Sheepens's, ʻo nā noi nui o kāna ʻenehana conductivity wela i ka automotive a me E/E e loaʻa i nā kukui LED, nā wela wela a me nā chassis uila, e like me nā motherboards, nā pahu inverter, a me nā noi hoʻokele mana / palekana.Pēlā nō, ʻike nā kumu RTP i kāna mau pūhui thermally conductive i hoʻohana ʻia i loko o nā hale a me nā mea wela, a me nā ʻāpana hoʻoheheʻe wela i hoʻohui ʻia i loko o nā ʻoihana ʻenehana, lāʻau lapaʻau a uila paha.
Ua ʻōlelo ʻo Matsco o Covestro, ʻo ka noi nui o nā kukui ʻoihana ke hoʻololi i nā radiator metala.Pēlā nō, ke ulu nei ka hoʻokele wela o nā noi pūnaewele kiʻekiʻe i nā ala ala a me nā kahua kahua.Ua kuhikuhi pono ʻo Naamani-Goldman o BASF e pili ana i nā ʻāpana uila nā pahu kaʻa, nā pahu hui kiʻekiʻe-voltage a me nā mea hoʻohui, nā insulators kaʻa, a me nā kāmela ʻike mua a hope.
Ua ʻōlelo ʻo Celanese's Miller ua hana nui nā plasticly conductive plastics i ka hāʻawi ʻana i ka hoʻolālā hoʻolālā 3D e hoʻokō i nā koi hoʻokele wela kiʻekiʻe no ke kukui LED.Ua hoʻohui ʻo ia: "Ma nā kukui automotive, hiki i kā mākou CoolPoly Thermally Conductive Polymer (TCP) ke hoʻohana i nā hale kukui ma luna o ke poʻo a me nā radiator hoʻololi alumini no nā kukui o waho."
Ua ʻōlelo ʻo Celanese's Miller, hāʻawi ʻo CoolPoly TCP i kahi hoʻonā no ka ulu ʻana o ka automotive head-up display (HUD) -ma muli o ka palena o ka dashboard space, airflow a me ka wela, pono kēia noi i ka hoʻokuʻu ʻana o ka wela ma mua o ke kukui like ʻole.Puhi ka lā ma kēia kūlana o ke kaʻa."ʻOi aku ka māmā o ke kaumaha o ka plastic thermally conductive ma mua o ka alumini, hiki ke hōʻemi i ka hopena o ka haʻalulu a me ka haʻalulu ma kēia ʻāpana o ke kaʻa, hiki ke hoʻololi i ke kiʻi."
Ma ka hihia pākaukau, ua loaʻa iā Celanese kahi hopena hou ma o ka CoolPoly TCP D series, hiki ke hāʻawi i ka conductivity thermal me ka ʻole o ka conductivity uila, a laila e hālāwai ai i nā koi koʻikoʻi o ka noi.I kekahi manawa, ʻo ka mea hoʻoikaika i loko o ka plasticly conductive plastic i kaupalena ʻia i kona elongation, no laila ua hoʻomohala ka poʻe loea o Celanese i kahi CoolPoly TCP i hoʻokumu ʻia i ka nylon, ʻoi aku ka paʻakikī ma mua o ka papa maʻamau (100 MPa flexural ikaika, 14 GPa flexural modulus, 9 kJ / m2 Charpy notch impact) me ka ʻole o ka kaumaha ʻana i ka thermal conductivity a i ʻole ka nui.
Hāʻawi ʻo CoolPoly TCP i ka maʻalahi i ka hoʻolālā convection a hiki ke hoʻokō i nā koi hoʻololi wela o nā noi he nui i hoʻohana mua i ka alumini.ʻO ka maikaʻi o kāna hoʻoheheʻe ʻana ʻo ia ka hoʻopau ʻana o ka alumini make castings i ka hapakolu o ka ikehu o ka alumini, a hoʻonui ʻia ke ola lawelawe e ʻeono mau manawa.
Wahi a Matsco o Covestro, i ka ʻoihana kaʻa, ʻo ka noi nui e hoʻololi i nā radiators i nā modules headlamp, nā modules fog lamp a me nā modules taillight.Heat sinks no ka LED kiʻekiʻe a me ka haʻahaʻa kukuna hana, LED kukui paipu a me nā alakaʻi kukui, nā kukui holo lā (DRL) a me nā kukui hōʻailona nā mea pono a pau.
Ua kuhikuhi ʻo Matsco: "ʻO kekahi o nā mea hoʻoikaika nui o Makrolon thermal PC ʻo ia ka hiki ke hoʻohui pololei i ka hana wela i loko o nā ʻāpana kukui (e like me nā reflectors, bezels, a me nā hale), i loaʻa ʻia e ka nui o ka injection molding a ʻelua- ʻano ʻāpana."Ma o ka reflector a me ke kiʻi maʻamau i hana ʻia me PC, hiki ke ʻike ʻia ka hoʻomaikaʻi ʻana i ka hoʻopili ʻana i ka PC thermally conductive i hoʻoheheʻe ʻia ma luna ona e hoʻomalu i ka wela, a laila e hōʻemi ana i ka pono no ka hoʻoponopono ʻana i nā ʻūlū a i ʻole nā ​​​​pilikia.Koi.Hoʻemi kēia i ka helu o nā ʻāpana, nā hana kōkua a me nā kumukūʻai pae ʻōnaehana holoʻokoʻa.Eia kekahi, ma ke kahua o nā kaʻa uila, ʻike mākou i nā manawa i ka hoʻokele wela a me ke kākoʻo ʻana o nā modules pākaukau.
Ua ʻōlelo pū ʻo BASF's Naamani-Goldman (Naamani-Goldman) i loko o nā kaʻa uila he mea hoʻohiki maikaʻi loa nā ʻāpana pākaukau e like me nā mea hoʻokaʻawale pākaukau."Ke hoʻohua nei nā pākahi Lithium-ion i ka wela nui, akā pono lākou e noho mau ma kahi o 65 ° C, i ʻole e hoʻohaʻahaʻa a hāʻule paha."
I ka wā mua, ua hoʻokumu ʻia nā pūhui plastik thermally conductive ma luna o nā resins ʻenehana kiʻekiʻe.Akā i nā makahiki i hala iho nei, ua hoʻokani nui nā resins ʻenehana e like me nylon 6 a me 66, PC a me PBT.Ua ʻōlelo ʻo Covestro's Matsco: “Ua loaʻa kēia mau mea āpau i ka nahele.Eia nō naʻe, ma muli o nā kumu kumukūʻai, ʻike ʻia ka mākeke ma ka nylon a me ka polycarbonate.
Ua ʻōlelo ʻo Scheepens, ʻoiai ke hoʻohana pinepine ʻia nei ka PPS, ua hoʻonui ka polyOne nylon 6 a me 66 a me PBT.
Ua ʻōlelo ʻo RTP ʻo ka nylon, PPS, PBT, PC a me PP ka resins kaulana loa, akā ma muli o ka hoʻopiʻi noiʻi, hiki ke hoʻohana ʻia nā thermoplastics hana kiʻekiʻe e like me PEI, PEEK a me PPSU.Ua ʻōlelo kekahi kumu RTP: "No ka laʻana, hiki ke hana ʻia ka wela wela o kahi kukui LED me ka nylon 66 composite material e hāʻawi i ka conductivity thermal a hiki i 35 W/mK.No nā ʻokoʻa ʻokoʻa e kū i ka sterilization pinepine, pono ʻo PPSU.ʻO nā waiwai insulation uila a hōʻemi i ka hōʻiliʻili o ka makū.
Ua ʻōlelo ʻo Naamani-Goldman he nui nā pūhui thermally conductive ʻo BASF, me ka nylon 6 a me 66 mau māka."Ua hoʻokomo ʻia ka hoʻohana ʻana i kā mākou mau mea i ka hana ʻana i nā noi like ʻole e like me nā hale kaʻa a me nā ʻōnaehana uila.Ke hoʻomau nei mākou i ka hoʻoholo ʻana i nā pono o ka mea kūʻai aku no ka conductivity thermal, he wahi ikaika kēia o ka hoʻomohala ʻana.ʻAʻole ʻike ka nui o nā mea kūʻai aku i ka pae e pono ai lākou i ka Conductivity, no laila pono e hoʻopili ʻia nā mea pono no nā noi kikoʻī e pono ai.
Ua hoʻokuʻu hou ʻo DSM Engineering Plastics i ka Xytron G4080HR, he 40% fiber glass i hoʻoikaika ʻia PPS e hoʻomaikaʻi i ka hana o nā ʻōnaehana hoʻokele wela kaʻa.Hoʻolālā ʻia me nā waiwai ʻelemakule wela, ke kūpaʻa hydrolysis, ke kūpaʻa dimensional, ke kūpaʻa kemika i nā wela kiʻekiʻe a me ka retardancy lapalapa.
Wahi a nā hōʻike, hiki i kēia mea ke mālama i ka ikaika o 6000 a 10,000 mau hola ma kahi mahana hana mau ma mua o 130 ° C.I ka 3000-hola 135 ° C wai / glycol wai ho'āʻo hou loa, ua hoʻonui ʻia ka ikaika tensile o Xytron G4080HR e 114% a ua hoʻonui ʻia ka elongation i ka wā hoʻomaha e 63% i hoʻohālikelike ʻia me ka huahana like.
Ua ʻōlelo ʻo RTP e like me nā koi noi, hiki ke hoʻohana ʻia kekahi o nā mea hoʻohui like ʻole no ka hoʻomaikaʻi ʻana i ka conductivity thermal, a kuhikuhi ʻia: "Ke hoʻomau nei nā mea hoʻohui kaulana loa e like me ka graphite, akā ke ʻimi nei mākou i nā koho hou e like me ka graphene a i ʻole. nā mea hoʻohui seramika hou..system.”
Ua hoʻomaka ʻia kahi hiʻohiʻona o ka mea hope i ka makahiki i hala e Martinswerk Div ​​​​o Huber Engineered Polymers.Wahi a nā hōʻike, e pili ana i ka alumina, a no nā ʻano neʻe hou (e like me ka electrification), ʻoi aku ka maikaʻi o ka hana o nā mea hoʻohui Martoxid series ma mua o nā alumina a me nā mea hoʻopiha conductive ʻē aʻe.Hoʻonui ʻia ʻo Martoxid e ka kāohi ʻana i ka hāʻawi ʻana i ka nui o ka ʻāpana a me ka morphology e hoʻolako i ka hoʻopili maikaʻi ʻana a me ka paʻa a me ka mālama ʻana i ka ʻili.Wahi a nā hōʻike, hiki ke hoʻohana ʻia me ka nui o ka hoʻopiha piha ʻana ma mua o 60% me ka ʻole o ka pili ʻana i nā waiwai mechanical a rheological.Hōʻike ia i ka mana maikaʻi loa ma PP, TPO, nylon 6 a me 66, ABS, PC a me LSR.
Ua ʻōlelo ʻo Covestro's Matsco, ua hoʻohana nui ʻia ka graphite a me ka graphene, a ua kuhikuhi ʻo graphite he haʻahaʻa haʻahaʻa a me ka haʻahaʻa haʻahaʻa haʻahaʻa, ʻoiai ke kumu kūʻai maʻamau ka graphene, akā loaʻa nā pono conductivity thermal.Ua hoʻohui ʻo ia: "Maikaʻi pinepine ʻia nā mea hana thermally conductive, electrically insulating (TC/EI), a ma laila kahi mea maʻamau e like me boron nitride.ʻO ka mea pōʻino, ʻaʻohe mea e loaʻa iā ʻoe.I kēia hihia, hāʻawi ka boron nitride Ua hoʻomaikaʻi ʻia ka insulation uila, akā ua hoʻemi ʻia ka conductivity thermal.Eia kekahi, kiʻekiʻe loa ke kumukūʻai o ka boron nitride, no laila pono e lilo ʻo TC/EI i mea hana pono e hōʻoia i ka piʻi ʻana o ke kumukūʻai.
Ua ʻōlelo ʻo BASF's Naamani-Goldman penei: “ʻO ka paʻakikī ka hoʻopaʻa ʻana i kahi kaulike ma waena o ka hoʻoili wela a me nā koi ʻē aʻe;e hōʻoia i ka hiki ke hana maikaʻi ʻia nā mea waiwai i nā mea nui a ʻaʻole e hāʻule nui nā waiwai mechanical.ʻO kekahi paʻakikī ʻo ka hana ʻana i kahi ʻōnaehana hiki ke hoʻohana nui ʻia.Hoʻoholo kūʻai kūʻai.
Manaʻo ʻo PolyOne's Scheepens e hoʻohiki ana nā mea hoʻopiha kalapona (graphite) a me nā mea hoʻopiha ceramic i nā mea hoʻohui i manaʻo ʻia e hoʻokō i ka conductivity thermal pono a me ke kaulike ʻana i nā mea uila a me nā mea mechanical.
Ua ʻōlelo ʻo Celanese's Miller, ua ʻimi ka hui i nā ʻano mea hoʻohui like ʻole e hoʻohui i ka koho ākea o ka ʻoihana o nā resins base vertically integrated e hoʻolako i nā mea pono e hana i ka thermal conductivity ʻO ka laulā he 0.4-40 W/mK.
ʻO ke koi no nā pūhui conductive multifunctional e like me ka thermal a me ka uila conductivity a i ʻole ka wela a me ka lapalapa ahi e hoʻonui ʻia.
Ua kuhikuhi ʻo Covestro's Matsco i ka wā i hoʻokuʻu ai ka hui i kāna thermally conductive Makrolon TC8030 a me TC8060 PC, ua hoʻomaka koke nā mea kūʻai aku e nīnau inā hiki ke hana ʻia i mau mea hoʻokalakupua uila.“ʻAʻole maʻalahi ka hopena.ʻO nā mea a pau a mākou e hana ai no ka hoʻomaikaʻi ʻana iā EI, he hopena maikaʻi ʻole ia ma TC.I kēia manawa, hāʻawi mākou iā Makrolon TC110 polycarbonate a ke hoʻomohala nei i nā hopena ʻē aʻe e hoʻokō i kēia mau koi.
Ua ʻōlelo ʻo BASF's Naamani-Goldman, pono nā noi like ʻole i ka conductivity thermal a me nā ʻano ʻē aʻe, e like me nā ʻeke pākahiko a me nā mea hoʻohui kiʻekiʻe-voltage, pono nā mea āpau i ka wela a pono e hoʻokō i nā kūlana pale ahi i ka wā e hoʻohana ai i nā pā lithium-ion.
Ua ʻike ʻo PolyOne, RTP a me Celanese i ka noi nui no nā pūhui multifunctional mai nā māhele mākeke a pau, a hāʻawi i ka conductivity thermal a me ka pale EMI, ka hopena kiʻekiʻe, ka retardancy o ka lapalapa, ka insulation uila, a me nā Compounds me nā hana e like me ke kūpaʻa UV a me ke kūpaʻa wela.
ʻAʻole maikaʻi nā ʻenehana hana kuʻuna no nā mea wela kiʻekiʻe.Pono ka poʻe kālai ʻia e hoʻomaopopo i kekahi mau kūlana a me nā ʻāpana e hoʻoponopono i nā pilikia i kekahi manawa i hoʻokumu ʻia e ka hoʻoheheʻe ʻana i ka wela wela.
Hōʻike ʻia kahi haʻawina hou i ka hopena o ke ʻano a me ka nui o LDPE i hui pū ʻia me LLDPE i ka hiki ke hana a me ka ikaika / paʻakikī o ke kiʻi ʻoniʻoni.Hōʻike ʻia ka ʻikepili no ka hui ʻana o LDPE-waiwai a me LLDPE.