Iko kushanduka kwePolytetrafluoroethylene (PTFE) - kubva kune niche chigadzirwa chinoshandiswa chete mu-high-value maapplication kune chinodiwa chikuru chave chichienda zvishoma nezvishoma.
Zvisinei, mukati memakumi maviri emakore adarika kushandiswa kwePTFE kunoratidzika kunge kwakayambuka huwandu hwakakomba, kuchibvumira kuti ive yekutengeserana mune anopfuura 200 maindasitiri, vatengi uye zvekurapa zvikumbiro.Uye nepo mashiti, tsvimbo, marangi uye zvikamu pakona iyo yakawanda yemusika wePTFE zvigadzirwa, PTFE chubhu uye PTFE hose zvave kubuda senzvimbo yakakosha yekukura.
PTFE chubhu zvikumbiro
Kushandiswa kwePTFE chubhuyakapararira kune akasiyana siyana maapplication anosanganisira mota, makemikari, magetsi uye ekurapa.Tafura 1 inoratidza akakosha zvivakwa zvinotaridza kuchinjika kwePTFE chubhu, nepo Fig 1 inoratidza mashandisiro ayo mundima dzakasiyana.
Mumashandisirwo emotokari, kugona kwePTFE kushingirira tembiricha inodarika 250°C kunoita kuti ive mumiriri akakodzera wekutamisa tembiricha yepamusoro.
Muzvikumbiro zvekurapa,PTFE chubhuiri kudiwa zvakanyanya nekuda kwemafuta ayo uye kusagadzikana kwemakemikari.Macatheter anoshandisa PTFE chubhu anogona kuiswa mumuviri wemunhu pasina kutya kuita kana kuputika nechero nhengo dzemuviri.
Mukushandiswa kwemakemikari - kusanganisira marabhoritari - PTFE inzvimbo yakanaka yekutsiva girazi nekuda kwekusagadzikana kwayo uye kusimba.
Mumashandisirwo emagetsi, yakanakisa dielectric zvimiro zvemhandara PTFE inoita kuti ikwane kuvharisa matambo emagetsi akakwira.
Mhando dzePTFE chubhu
Zvichienderana nekushandiswa, PTFE chubhu yakakamurwa kuita zvikamu zvitatu zvakafara - chimwe nechimwe chinotsanangurwa nedhayamita yechubhu uye ukobvu hwemadziro (ona Tafura 2).
Kunyangwe mukati mezvikamu, PTFE chubhu inokweretesa kune akasiyana siyana, imwe neimwe ichibvumira kune akasiyana application (ona Tafura 3):
PTFE chubhu mumusika wemidziyo yekurapa
Kazhinji, diki dhayamita spaghetti chubhu inoshandiswa mune zvekurapa zvikumbiro.Iko kushandiswa kwePTFE munzvimbo ino inomira pazvinhu zviviri zvakakosha: lubricity uye biocompatibility.Fluoropolymers inoratidza lubricity yakanaka kwazvo kana ichienzaniswa nemamwe mapurasitiki.PTFE ndiyo yakanyanya lubricious polymer iripo, ine coefficient of friction ye 0.1, ichiteverwa nefluorinated ethylene propylene (FEP), ine 0.2.Aya mapolymer maviri anomiririra ruzhinji rwese fluoropolymer chubhu inoshandiswa mumidziyo yekurapa.
Iyo biocompatibility yechero polymer inoshandiswa mumudziyo wekurapa kunetseka kuri pachena.PTFE inokunda munzvimbo ino uye ine nhoroondo refu yekushandisa mu vivo.Medical-giredhi fluoropolymers anofanirwa kusangana neUSP Kirasi VI uye ISO 10993 yekuyedza zvinodiwa.Chokwadi, kugadzirisa utsanana chinhu chinokoshawo.
Kwemakore gumi nemasere apfuura, Besteflon yakaramba ichitarisa mukugadzirwa kwePTFE Tubes uye PTFE hose.Semapiyona ari munzvimbo yekugadzira fluoroplastics, isu tinotevera yakanakisa mhando uye mushure mekutengesa sevhisi.Kana iwe uchida kutanga kugadzirisa PTFE chubhu yechikumbiro chako chakakosha, ndapota inzwa wakasununguka kutibata nesu!
Nguva yekutumira: Jun-12-2023