PTFE ni pulasitiki iramba cyane izwi muri iki gihe. Ikoreshwa cyane mu nganda zitandukanye zifite ibidukikije bikomeye. Bitewe n'imikorere yayo myiza, yagiye iba ikintu cy'ingenzi mu bicuruzwa bya pulasitiki (Byose byitwa Polytetrafluoroethylene). Kubwibyo, hari n'inganda nyinshi zikora ibyo bicuruzwa. PTFE ishobora gukorwamo ubwoko bwinshi bw'ibicuruzwa, nk'imiyoboro, inkoni, amasahani, gasket, filime, nibindi, bikoreshwa mu nzego zitandukanye.
Umuyoboro wa PTFE ni iki?
Polytetrafluoroethylene (mu magambo ahinnye nka PTFE), izwi cyane nka "Plastic King", ni polymeri ifite molekile nyinshi iboneka binyuze mu gupomera tetrafluoroethylene nk'ikintu cy'umweru cyangwa kibonerana. Iki gikoresho ntikigira ibara cyangwa ibindi bintu biyirimo, kandi gifite imiterere yo kurwanya aside na alkali, kurwanya ibintu bitandukanye by'umwimerere, kandi kidashonga neza mu bintu byose. Byongeye kandi, PTFE ifite ubushyuhe bwinshi kandi ishobora gukoreshwa igihe kirekire kuri -65°C ~ 260°C munsi y'umuvuduko usanzwe. Ikorwa hakoreshejwe uburyo bwo gusohora paste. Imiyoboro ya PTFE ikorwa hakoreshejwe gusohora paste iragoye kandi ishobora gukora imiyoboro ya PTFE ifite umurambararo w'imbere muto nka 0.3 mm kugeza kuri 100 mm n'ubugari bw'inkuta ntoya nka 0.1 mm kugeza kuri 2 mm. Kubwibyo, imiyoboro ya polytetrafluoroethylene (PTFE) ni ibicuruzwa bifite uburyo bwinshi cyane butanga uburyo bwinshi bwo gukoresha mu nganda zitandukanye.
Impamvu imiyoboro ya PTFE ikoreshwa cyane:
1. Irwanya ubushyuhe bwinshi, ntishobora gushonga mu kintu icyo ari cyo cyose cyangiza. Ishobora kwihanganira ubushyuhe bwinshi kugeza kuri 300 °C mu gihe gito, kandi muri rusange ishobora gukoreshwa buri gihe hagati ya 200 °C na 260 °C, hamwe n'ubushyuhe buhamye.
2. Kurwanya ubushyuhe buke, gukomera neza kwa mekanike ku bushyuhe buke, nubwo ubushyuhe bwagabanuka bukagera kuri -65 ℃, ntabwo bizacika intege, kandi bishobora kugumana uburebure bwa 5%.
3. Irwanya ingese, ntishobora kwangirika ku bintu byinshi bya shimi n'ibindi bintu bishongesha, irwanya aside ikomeye na alkali, amazi n'ibindi bintu bitandukanye bya organic, bishobora kurinda ibice byabyo ingese iyo ari yo yose.
4. Irwanya gusaza, iyo iremereye cyane, ifite ibyiza bibiri byo kudasaza no kudafata. Iramba neza mu pulasitiki.
5. Gukoresha amavuta menshi, ni cyo gipimo cyo hasi cyane cy’ubushyuhe hagati y’ibikoresho bikomeye. Igipimo cyo gushyuha kirahinduka iyo umutwaro urenze, ariko agaciro kacyo kari hagati ya 0.05-0.15 gusa. Kubwibyo, gifite ibyiza byo kudatangira neza no gukora neza mu gukora imiyoboro.
6. Kudafatana ni ubushyuhe buke bw'ibintu bikomeye, kandi ntibifatana n'ibintu byose. Ibintu hafi ya byose ntibifatana nabyo. Udupira duto cyane na two tugaragaza imiterere myiza idafatana.
7. Nta mpumuro igira, nta buryohe ifite, ntabwo ari uburozi, nta mubiri ifite, kandi nta ngaruka mbi igira iyo ishyizwe mu mubiri nk'imitsi n'ingingo by'amaraso by'ubukorano igihe kirekire.
8. Yoroshye kandi yoroshye kuyikoresha. Igabanya cyane imbaraga z'akazi k'umukoresha.
Bimwe mu bikunze gukoreshwa mu miyoboro ya PTFE:
1. Inganda z'ubutabire
Kubera ko imiyoboro ya PTFE irwanya cyane imiti hafi ya yose, ni nziza cyane gukoreshwa mu nganda z’imiti. Harimo n’inganda zikora imiyoboro ya semiconductor. Imikorere igezweho mu gukora imiyoboro ya semiconductor isaba gupima neza no gutwara ibintu byangiza (aside na bases). Ibi bishobora kwangiza cyane umuyoboro utanga ibicuruzwa mu gihe gito.
2. Inganda z'imodoka
Muri moteri y'imodoka, imiyoboro myiza ikozwe muri PTFE ikoreshwa mu gushonga kwa lisansi no mu miyoboro ya lisansi. Nk'imiyoboro ya lisansi, imiyoboro ya turbocharger, imiyoboro ikonjesha, imiyoboro ya feri yikora, imiyoboro ya feri ya moto, imiyoboro ya moteri ya mazutu, imiyoboro yo gusiganwa n'imiyoboro iyobora umuriro. Imiterere y'ubushyuhe bwinshi n'ubushyuhe buke, ubushyuhe bwinshi, ubudashira no kudashira kw'umuyoboro wa PTFE bituma imara igihe kirekire idasimburwa kenshi.
3. Inganda zicapa mu buryo bwa 3D
Mu icapiro rya 3D, umugozi ugomba kwimurirwa mu muyoboro w’icapiro, ugomba gukorwa mu bushyuhe bwinshi. Umuyoboro wa PTFE ni wo polymer ukunzwe cyane mu nganda z’icapiro rya 3D bitewe n’ubushyuhe bwawo bwinshi n’ubushobozi bwo kudafata, bifasha gukuramo ibikoresho byoroshye mu muyoboro.
4. Inganda z'ubuvuzi
Imiterere yihariye y’imiyoboro ya PTFE irimo n’imiterere yoroshye gusukura. Mu myaka icumi ishize, imiyoboro ya PTFE yagiye ikoreshwa cyane mu bikoresho by’ubuvuzi. Bitewe n’uko imiyoboro ya PTFE idafite ingano ihagije, bivuze ko ifite ubuso bworoshye cyane budapfuka cyangwa ngo bufashe gukura kwa bagiteri. Muri bwo, imiyoboro ikoreshwa kuri cannula, catheter, pipettes na endoscopes.
5. Inganda z'ibiribwa
Bitewe nuko byoroshye gusukura no kudafata, imiyoboro ya PTFE ishobora gukoreshwa mu nganda z'ibiribwa. By'umwihariko, imiyoboro ikozwe muri PTFE ituzuye irakwiriye kubera ko idafite aho ibogamiye kandi ikurikiza amabwiriza y'ikigo cy'ibiribwa n'imiti cya Amerika. Kubwibyo, byagaragaye ko ntacyo bitwaye iyo ikoze muri pulasitiki n'ubwoko bwose bw'ibiribwa.
Kugura umuyoboro wa PTFE ukwiye ntabwo ari uguhitamo gusa ibipimo bitandukanye ku bikorwa bitandukanye. Hari byinshi byo guhitamo uruganda rwizewe. Besteflon Fluorine plastic Industry Co., Ltd. yibanda ku gukora imiyoboro n'imiyoboro bya PTFE byiza cyane mu gihe cy'imyaka 15. Niba hari ikibazo cyangwa ibyo ukeneye, nyamuneka utubwire inama z'inzobere.
Ingingo zijyanye
Igihe cyo kohereza: Kanama-13-2022