PTFE ita ce filastik mafi ɗorewa da aka sani a yanzu. Ana amfani da ita sosai a masana'antu daban-daban masu yanayi mai wahala. Saboda kyakkyawan aikinta, a hankali ta zama babban samfurin da ake amfani da shi a cikin kayayyakin filastik (Duk ana kiransa da Polytetrafluoroethylene). Saboda haka, akwai kuma masana'antun da ke samar da irin waɗannan samfuran. Ana iya yin PTFE a cikin nau'ikan samfura da yawa, kamar bututu, sanduna, faranti, gaskets, fina-finai, da sauransu, waɗanda ake amfani da su a fannoni daban-daban.
Menene bututun PTFE?
Polytetrafluoroethylene (wanda aka rage masa suna PTFE), wanda aka fi sani da "Plastic King", wani babban polymer ne na kwayoyin halitta wanda aka samu ta hanyar polymerization tetrafluoroethylene a matsayin monomer, wanda fari ne ko mai haske. Wannan kayan ba ya dauke da wasu launuka ko kari, kuma yana da halaye na juriyar acid da alkali, juriya ga sinadarai daban-daban na halitta, kuma kusan ba ya narkewa a cikin dukkan sinadarai. Bugu da ƙari, PTFE yana da kewayon zafin jiki mai faɗi kuma ana iya amfani da shi na dogon lokaci a -65°C ~ 260°C a ƙarƙashin matsin lamba na yau da kullun. Ana ƙera shi ta hanyar fitar da manna. Bututun PTFE da aka ƙera ta amfani da fitar da manna yana da sassauƙa kuma yana iya ƙera bututun PTFE tare da diamita na ciki kamar ƙanƙanta kamar 0.3 mm har zuwa matsakaicin 100 mm da kauri na bango kamar ƙanƙanta kamar 0.1 mm zuwa 2 mm. Saboda haka, bututun polytetrafluoroethylene (PTFE) samfuri ne mai matuƙar amfani wanda ke ba da aikace-aikace iri-iri a masana'antu daban-daban.
Me yasa ake amfani da bututun PTFE sosai:
1. Juriyar zafin jiki mai yawa, ba ta narkewa a cikin kowace sinadari. Tana iya jure zafin jiki mai yawa har zuwa 300 °C cikin ɗan gajeren lokaci, kuma gabaɗaya ana iya amfani da ita akai-akai tsakanin 200 °C da 260 °C, tare da kwanciyar hankali mai mahimmanci na zafi.
2. Ƙarfin juriya ga zafi, ƙarfin injina mai kyau a ƙananan zafin jiki, koda kuwa zafin ya faɗi zuwa -65 ℃, ba zai yi rauni ba, kuma zai iya kiyaye tsawon 5%.
3. Mai jure wa tsatsa, wanda ba ya jure wa yawancin sinadarai da sinadarai masu narkewa, wanda ke jure wa acid mai ƙarfi da alkalis, ruwa da sauran sinadarai masu narkewa na halitta, zai iya kare sassa daga kowace irin tsatsa ta sinadarai.
4. Maganin tsufa, wanda ke ƙarƙashin nauyi mai yawa, yana da fa'idodi biyu na juriya ga lalacewa da rashin mannewa. Mafi kyawun rayuwar tsufa a cikin robobi.
5. Man shafawa mai yawa, mafi ƙarancin ma'aunin gogayya tsakanin kayan daskararru. Ma'aunin gogayya yana canzawa lokacin da nauyin ya zame, amma ƙimar tana tsakanin 0.05-0.15 ne kawai. Saboda haka, yana da fa'idodin ƙarancin juriya na farawa da aiki mai santsi don yin bearings.
6. Rashin mannewa shine ƙaramin matsin lamba a saman kayan da ke da tauri, kuma baya mannewa da wani abu. Kusan dukkan abubuwa ba za su manne masa ba. Filaye masu siriri kuma suna nuna kyawawan halaye marasa mannewa.
7. Ba shi da wari, ba shi da ɗanɗano, ba shi da guba, ba ya da wani tasiri a jiki, kuma ba shi da wata illa idan aka dasa shi a jiki a matsayin jijiyoyin jini da gabobin jiki na dogon lokaci.
8. Mai sauƙi da sassauƙa. Yana rage ƙarfin aikin mai aiki sosai.
Wasu amfani da bututun PTFE na yau da kullun:
1. Masana'antar Sinadarai
Saboda yawan juriyar sinadarai ga kusan dukkan sinadarai, bututun PTFE sun dace da amfani a masana'antar sinadarai. Wannan ya haɗa da masana'antar semiconductor. Tsarin zamani a cikin samar da semiconductor yana buƙatar aunawa da jigilar ruwa mai lalata (acids da tushe). Waɗannan na iya lalata bututun isarwa sosai cikin ɗan gajeren lokaci.
2. Masana'antar motoci
A cikin injin mota, ana amfani da bututun PTFE masu inganci don fitar da mai da kuma hanyoyin mai. Kamar bututun mai, bututun turbocharger, bututun sanyaya ruwa, bututun birki na atomatik, bututun birki na babur, bututun injin dizal, bututun tsere da bututun sitiyari mai ƙarfi. Halayen juriyar zafi mai yawa da ƙarancin zafin jiki, juriyar matsin lamba mai yawa, juriyar lalacewa da juriyar tsatsa na bututun PTFE suna sa ya yi tsawon rai ba tare da maye gurbinsa akai-akai ba.
3. Masana'antar buga takardu ta 3D
A cikin bugu na 3D, ya kamata a canja wurin filament ɗin zuwa bututun bugawa, wanda dole ne a yi shi a cikin zafin jiki mai yawa. Tubin PTFE shine polymer da aka fi so a masana'antar bugawa ta 3D saboda yawan zafinsa da kuma halayensa marasa mannewa, wanda ke taimakawa wajen zame kayan cikin sauƙi daga bututun.
4. Masana'antar likitanci
Musamman halayen bututun PTFE suma sun haɗa da tsarin saman da ake iya tsaftacewa cikin sauƙi. A cikin shekaru goma da suka gabata, ana ƙara amfani da bututun PTFE a cikin na'urorin likitanci. Saboda ƙarancin tasirin gogayya na bututun PTFE, yana nufin yana da saman da yake da santsi wanda ba ya rufe fuska ko taimakawa ci gaban ƙwayoyin cuta. Daga cikinsu, ana amfani da bututun don cannulas, catheters, pipettes da endoscopes.
5. Masana'antar abinci
Saboda sauƙin tsaftacewa da kuma rashin mannewa, ana iya amfani da bututun PTFE a masana'antar abinci. Musamman ma, bututun da aka yi da PTFE marasa cika sun dace saboda rashin daidaiton yanayin jiki kuma sun bi ƙa'idodin Hukumar Abinci da Magunguna ta Amurka. Saboda haka, an tabbatar da cewa ba shi da lahani idan aka taɓa filastik da kowace irin abinci.
Siyan bututun PTFE mai kyau ba wai kawai game da zaɓar takamaiman bayanai daban-daban don aikace-aikace daban-daban ba ne. Ƙari don zaɓar masana'anta mai aminci. Besteflon Fluorine plastic Industry Co., Ltd. ya ƙware wajen samar da bututun PTFE masu inganci na tsawon shekaru 15. Idan akwai tambayoyi da buƙatu, da fatan za a tuntuɓe mu don ƙarin shawarwari na ƙwararru.
Labarai Masu Alaƙa
Lokacin Saƙo: Agusta-13-2022