Nānā: 0 Mea kākau: Luna Hoʻoponopono Pūnaewele Manawa Hoʻopuka: 2026-05-22 Kumu: Paena
I loko o nā mea kanu kemika, nā laina electroplating, a me nā mea hana semiconductor, ua ʻike mau ʻia nā mea hana i nā ʻakika koʻikoʻi, alkalis, a me nā solvents. ʻO ke koho ʻana i ka mea pale pono e pili pono i ka palekana a me ke ola o nā lako.
Ua kapa pinepine ʻia ʻo PTFE (polytetrafluoroethylene) ʻo ka 'plastic king' ma muli o kona ʻino ʻole kemika. Akā ʻaʻole ʻo 'inert' ka manaʻo ʻo 'invincible' - ʻo wai nā mea kemika hiki ke hōʻino maoli iā ia? Pehea e pili ai ka mahana a me ka noʻonoʻo ʻana i kāna hana?
Ma Aokai PTFE , ua ho'āʻo mākou i nā makahiki Nā lole i uhi ʻia e PTFE e kūʻē i nā kaiaola kemika maoli. Hāʻawi kēia ʻatikala i kā mākou ʻike e kōkua iā ʻoe e koho naʻauao.
Hāʻawi ka lole PTFE i ke kūpaʻa maikaʻi loa i:
ʻAka Sulfuric (H₂SO₄)
ʻAka Nitric (HNO₃)
ʻO ka waiʻona hydrochloric (HCl)
ʻAikika Phosphoric (H₃PO₄)
ʻO nā ʻakika oxidizing kiʻekiʻe e like me ka aqua regia a me ka waika hydrofluoric (HF)
Kū'ē i ka sodium hydroxide (NaOH), potassium hydroxide (KOH), wai amonia (NH₃·H₂O), a me nā mea alkaline ikaika ʻē aʻe.
ʻAʻole inert kemika i ka hapa nui o nā mea hoʻoheheʻe organik, me nā ʻawaʻawa (methanol, ethanol), nā ketones (acetone, MEK), hydrocarbons aromatic (benzene, toluene, xylene), a me ka ʻaila.
Mālama i ka hana paʻa e kūʻē i nā mea ʻokiʻoki (e laʻa, hydrogen peroxide), paʻakai (sodium chloride, sodium sulfate), a me nā kinoea ʻino (chlorine, hydrogen sulfide).
ʻOiai ʻoi aku ka maikaʻi o ke kūpaʻa kemika, he mau palena ka PTFE kiʻekiʻe-mehana lole ma lalo o nā kūlana kiʻekiʻe kiʻekiʻe a i ʻole nā kūlana kiʻekiʻe. Hiki i kekahi mau kemika kiko'ī ke hoʻopōʻino e like me ka helu ʻia ma lalo nei:
Nā mea kū ʻole |
Nā Kūlana a me nā hopena pōʻino |
|---|---|
ʻO nā metala alkali hoʻoheheʻe (sodium, potassium) |
Hoʻopau loa i ka ʻano molekala PTFE - ua hoʻemi ʻia ka PTFE i kalapona |
ʻO nā mea hana fluorinating ikaika (ke kinoea fluorine, chlorine trifluoride, perchloryl fluoride) |
Hoʻopili a hoʻopau i ka mea, ʻoi aku ka nui ma nā wela kiʻekiʻe |
Eia kekahi, ka lole uhi PTFE no ka hoʻohana ʻana me: ʻaʻole ʻōlelo ʻia
Chlorine trifluoride (ClF₃) – hiki ke hoʻā ʻia
Oxygen difluoride (OF₂) - ka hopena ʻino
ʻO ka wai a i ʻole ke kinoea fluorine (F₂) i nā mahana kiʻekiʻe - hoʻouka i ka PTFE
ʻO nā kumu he nui e pili ana i ka pale ʻana i ka corrosion maoli o ka PTFE lole wela kiʻekiʻe i nā noi honua maoli:
Mahana: Mālama ʻia ka hana kemika paʻa i loko o -70°C a 260°C. Ke emi nei ke kū'ē i nā kemika kiko'ī ma nā wela kiʻekiʻe loa.
Hoʻopaʻa ʻia: ʻO ka hoʻopaʻa ʻia ʻana i ka manawa lōʻihi i loko o ka media corrosive koʻikoʻi hiki ke hoʻopilikia i ka hana waiwai. Paipai ʻia ka hoʻāʻo ʻana ma ka pūnaewele.
ʻO ke koʻikoʻi mīkini: ʻO ka hui ʻana i ka ʻino kemika a me ka friction mechanical e hoʻolalelale i ka ʻelemakule. He mea nui ka pale ʻana i ka uhi PTFE mai nā ʻōpala - i ka wā e pohō ai, lilo ka fiberglass i mea palupalu.
Ka lōʻihi o ka hōʻike ʻana: ʻokoʻa ka pale ʻana i ka paʻi ʻana i ka wā pōkole me ka hoʻomau mau ʻana.
Paʻi: Hiki i ka piʻi kiʻekiʻe ke hoʻoikaika i nā kemika i loko o nā pores microscopic a i ʻole ka uhi ʻana i nā hemahema.
Aokai PTFE ke keʻenaʻikepili hōʻike i ka mahana-concentration synergy pinepine underestimated. No ka laʻana, PTFE lole i mau makahiki i loko o 50% sulfuric acid ma 100 ° C hiki ke hōʻike i ka whitening ili i loko o nā mahina ma 200°C me ka like ka manaʻo. E hoʻopili mau i kahi palena palekana.
Māhele Kemika |
Papa Kūʻē |
Nā memo |
|---|---|---|
Nā ʻakika ikaika (sulfuric, nitric, HCl, HF, aqua regia) |
maikaʻi loa |
A hiki i ka 260°C, koe naʻe nā ʻakika oxidizing wela |
Nā alkali ikaika (NaOH, KOH, amonia) |
maikaʻi loa |
ʻAʻohe degradation nui |
ʻO nā mea hoʻoheheʻe organik (nā waiʻona, ketones, aromatics, gasoline) |
maikaʻi loa |
Hiki ke pehu me kekahi mau solvents |
ʻO oxidants, paʻakai, kinoea kino |
Maikaʻi a maikaʻi |
E nānā i nā kūlana kūikawā |
Metala alkali hoohehee |
ʻAʻole kūpono |
Hoʻohaʻahaʻa piha |
ʻO nā mea hana fluorinating ikaika |
ʻAʻole kūpono |
Ka hopena kemika i ka manawa kiʻekiʻe |
No ka hapanui o nā kaiapuni kemika ʻoihana, hāʻawi ka lole i uhi ʻia ʻo PTFE i ka hana hilinaʻi a lōʻihi. Eia nō naʻe, e hōʻoia mau i ka hoʻohālikelike ʻana ma lalo o nā kūlana hana maoli - ʻoi aku ka mahana, ka noʻonoʻo, a me ke kaumaha mechanical.
I ka hōʻuluʻulu manaʻo , PTFE kiʻekiʻe-mehana lole hāʻawi kūʻē kūʻē kūʻē kokoke i nā waikawa āpau, alkalis, a me nā mea hoʻoheheʻe kūlohelohe i loko o kāna mau hana maʻamau (-70°C a 260°C). ʻO nā ʻokoʻa koʻikoʻi nā metala alkali hoʻoheheʻe a me nā mea hana fluorinating ikaika. Pono e akahele hou nā ʻakika oxidizing wela.
Ma ka hoʻomaʻamaʻa, hana pū ka mahana, ka noʻonoʻo, a me ke koʻikoʻi mechanical e hoʻopilikia i ke ola waiwai. No nā kūlana koʻikoʻi, paipai mākou i ka hoʻāʻo ʻana ma ka pūnaewele a i ʻole ka hoʻohana ʻana i kahi palena palekana 30-40°C ma lalo o ka wela helu kiʻekiʻe.
Makemake ʻoe i ke kōkua me kahi kaiaola kemika kūikawā? Aokai PTFE i ka ʻikepili corrosion no nā haneli o ka media. Ua hōʻuluʻulu ka hui ʻenehana ʻo E kelepona mai iā mākou no ke alakaʻi koho ʻana a i ʻole nā hoʻonā lole i uhi ʻia i ka PTFE.
Hoʻopuka ʻia e Jiangsu Aokai New Materials Technology Co., Ltd.
No nā kikoʻī kikoʻī, nā hiʻohiʻona noi, a me nā hoʻonā i hoʻoponopono ʻia o nā huahana holoʻokoʻa me ka PTFE kiʻekiʻe wela lole, PTFE kiʻekiʻe wela tape, PTFE mesh kāʻei, seamless fusing kāʻei, ʻaoʻao ʻaoʻao PTFE lole, kiʻekiʻe wela kūpaʻa conveyor kāʻei a me fiberglass lole , e ʻoluʻolu e kelepona mai iā mākou:
Mr. Guo: +86 18944819998
Mr. Liu: +86 13705266308
Hoʻopili mākou i ka ʻoihana a me ka pololei, i hoʻolaʻa ʻia i ka hāʻawi ʻana i nā hoʻonā hoʻokahi a me nā lawelawe noʻonoʻo.