PTFE (polytetrafluoroethylene)na polyester (nka PET, PBT, nibindi) ni ibikoresho bibiri bitandukanye rwose bya polymer. Bifite itandukaniro rinini mu miterere ya shimi, imiterere y'imikorere n'aho bikoreshwa. Ibi bikurikira ni igereranya rirambuye:
1. Imiterere n'imiterere y'ibinyabutabire
PTFE (polytetrafluoroethylene)
●Imiterere: Igizwe n'umunyururu wa atome ya karuboni na atome ya fluorine yuzuye (-CF)₂-CF₂-), kandi ni fluoropolymer.
●Ibiranga: Ihuriro rikomeye cyane rya karuboni na fluorine riyiha ubukana bwinshi bw'ibinyabutabire ndetse no kwihanganira ikirere.
Polyester
●Imiterere: Urunigi rw'ingenzi rugizwe n'itsinda rya ester (-COO-), nka PET (polyethylene terephthalate) na PBT (polybutylene terephthalate).
●Ibiranga: Ihuriro rya ester riyiha imbaraga nziza za mekanike n'uburyo bwo kuyitunganya, ariko ubushobozi bwayo bwo gupima ibintu buri hasi ugereranyije n'ubwa PTFE.
2. Kugereranya imikorere
| Ibiranga | PTFE | Polyester (nk'iya PET) |
| Ubudahangarwa bw'ubushyuhe | - Ubushyuhe bwo gukoresha buri gihe: -200°C kugeza 260°C | - PET: -40°C kugeza kuri 70°C (igihe kirekire) |
| Gukomera kw'ibinyabutabire | Irwanya aside hafi ya zose, alkali n'ibintu byose bishongesha ("umwami wa pulasitiki") | Irwanya aside na alkali zidakomeye, yoroshye kwangirika na aside zikomeye na alkali |
| Igipimo cy'ingufu | Hafi cyane (0.04, yisiga amavuta) | Hejuru (hakenewe inyongeramusaruro kugira ngo inoze) |
| Imbaraga za mekanike | Hasi, byoroshye kuyitera | Hejuru (PET ikunze gukoreshwa mu nsinga n'amacupa) |
| Imiterere ya Dielectric | Ni nziza cyane (ibikoresho byo gukingira bikoresha imbaraga nyinshi) | Ni byiza (ariko ntibyihanganira ubushuhe) |
| Ingorane zo gutunganya | Uburyo bwo gushonga bugoranye (bukeneye gushonga) | Ishobora guterwa inshinge no gukurwamo (byoroshye gutunganya) |
Ahantu ho gushyiramo porogaramu
PTFE: ikoreshwa cyane mu by’indege, ibikoresho by’ikoranabuhanga, inganda z’imiti, gutunganya ibiribwa, ubuvuzi n’ibindi, ikunze gukoreshwa mu gukora ibifunga, imiringoti, irangi, ibikoresho bikingira ubushyuhe, nibindi.
Polyester: ikoreshwa cyane cyane mu ndodo z'imyenda, amacupa ya pulasitiki, filime, pulasitiki z'ubuhanga n'ibindi bikoresho
Ibitekerezo Bisanzwe Bitari byo
Irangi ritafata: PTFE (Teflon) ikunze gukoreshwa mu masafuriya adafata, mu gihe polyester idashobora kwihanganira gutekwa mu bushyuhe bwinshi.
Umurima wa fibre: Fibre za polyester (nk'iya polyester) ni byo bikoresho by'ingenzi byo kwambara, kandiFibre za PTFEbikoreshwa gusa ku bintu byihariye (nk'imyenda yo kwirinda ikoreshwa mu binyabutabire)
Ni gute PTFE ikoreshwa mu nganda z'ibiribwa?
PTFE (polytetrafluoroethylene) ifite uburyo bwinshi bwo kuyikoresha mu nganda z'ibiribwa, ahanini bitewe n'uko idashobora guhindagurika cyane mu binyabutabire, idashobora kwihanganira ubushyuhe bwinshi, idafatana kandi idafite ubushobozi bwo gukururana. Izi ni zo ngero z'ingenzi za PTFE mu nganda z'ibiribwa:
1. Gusiga ibikoresho byo gutunganya ibiribwa
Irangi rya PTFE rikoreshwa cyane mu gutunganya no gutunganya ibikoresho bitunganya ibiribwa. Kudafatana kwaryo bishobora kubuza ibiribwa gufatana ku buso bw'ibikoresho mu gihe cyo gutunganya ibiribwa, bityo bikoroshya isuku no kunoza imikorere myiza y'umusaruro. Urugero, mu bikoresho nk'amatanura, imashini zishyushya ibiribwa, n'imashini zivanga ibiribwa, irangi rya PTFE rishobora kwemeza ko ibiribwa bidafatana mu gihe cyo gutunganya ibiribwa mu bushyuhe bwinshi mu gihe rikomeza kugira ubuziranenge n'ireme ry'ibiribwa.
2. Imikandara yo gutwara ibintu n'imikandara yo gutwara ibintu
Imikandara yo kohereza ibicuruzwa irimo PTFE n'imikandara yo kohereza ibicuruzwa ikunze gukoreshwa mu gutunganya ibiryo byinshi, nko guteka no kohereza amagi, bacon, sosiso, inkoko, na hamburger. Kuba ibi bikoresho bifite ubushobozi buke bwo gukururana no kudakora neza mu bushyuhe bwinshi bituma bikora neza mu bushyuhe bwinshi nta kwanduza ibiryo.
3. Imiyoboro y'ibiribwa byo mu rwego rwo hejuru
Imiyoboro ya PTFE ikoreshwa cyane mu gutwara ibiryo n'ibinyobwa, harimo divayi, byeri, ibikomoka ku mata, sirupe n'ibirungo. Ubushyuhe bwayo butuma idakora neza mu binyabutabire butuma itagira ingaruka ku bwiza bw'ibicuruzwa bigezwa mu bushyuhe buri hagati ya -60.°Kuva kuri C kugeza kuri 260°C, kandi ntabwo itanga ibara, uburyohe cyangwa impumuro iyo ari yo yose. Byongeye kandi, imiyoboro ya PTFE yujuje ibisabwa na FDA kugira ngo irinde umutekano w'ibiribwa.
4. Ibifunga n'ibifunga
Udupfundikizo twa PTFE na gaskets bikoreshwa mu guhuza imiyoboro, valves na stirpeds by'ibikoresho bitunganya ibiribwa. Bishobora kurwanya ingese ituruka ku miti itandukanye mu gihe biguma mu bushyuhe bwinshi. Udupfundikizo dushobora gukumira ibiribwa kwandura mu gihe cyo kubitunganya mu buryo bunoze, bityo bikanoroshya isuku n'ubuziranenge bw'ibikoresho.
5. Ibikoresho byo gupfunyikamo ibiryo
PTFE ikoreshwa kandi mu bikoresho byo gupfunyika ibiribwa, nko gupfunyika mu masafuriya adafatana, gupfunyika mu mpapuro zo gutekesha, nibindi. Ibi bikoresho byemeza ko ibiryo bidafatana mu gihe cyo gupfunyika no guteka, ariko kandi bigakomeza isuku n'umutekano w'ibiryo.
6. Izindi porogaramu
PTFE ishobora kandi gukoreshwa mu bikoresho, mu byuma bifasha mu gutunganya ibiribwa no mu byuma bitunganya ibiribwa, ibi bikaba bishobora kongera ubushobozi bwo kudasaza no kwangirika kw'ibikoresho mu gihe bigabanya ikiguzi cyo kubibungabunga.
Ibitekerezo ku mutekano
Nubwo PTFE ifite imiterere myiza myinshi, ugomba kwita ku mutekano wayo mu gihe uyikoresha mu nganda z'ibiribwa. PTFE ishobora kurekura imyuka mibi mu bushyuhe bwinshi, bityo ni ngombwa kugenzura ubushyuhe bw'ikoreshwa no kwirinda gushyushya ubushyuhe bwinshi igihe kirekire. Byongeye kandi, ni ngombwa guhitamo ibikoresho bya PTFE byujuje ibisabwa n'amategeko.
Igihe cyo kohereza: Werurwe-26-2025