PEEK (poly-ether-ether-ketone) yog ib qho tshwj xeeb polymer uas muaj ib daim ntawv cog lus ketone thiab ob daim ntawv cog lus ether hauv cov saw tseem ceeb.
Vim nws qhov loj ntawm benzene nplhaib qauv, PEEK qhia tau hais tias zoo heev cov khoom, xws li zoo heev kub tsis kam, corrosion kuj, zoo mechanical zog, cuam tshuam tsis kam, nws tus kheej lubrication, nplaim retardant thiab hais txog.
Niaj hnub no, peb tham txog qhov zoo ntawm PEEK nyob rau hauv cov nqe lus ntawm kub kub kuj thiab corrosion kuj.
1.PEEK super kub tsis kam
Hauv kev lag luam petrochemical, PEEK cov khoom siv feem ntau yog siv vim nws qhov kub thiab txias tsis kam, yog li qhov zoo ntawm PEEK piv nrog rau lwm cov thermoplastic tshwj xeeb engineering plastics yog dab tsi?
Fig 1. Melting point thiab lub sij hawm ntev siv kub daim duab ntawm feem ntau siv thermoplastic engineering yas
Los ntawm daim duab 1., peb tuaj yeem pom tias qhov melting point thiab qhov kev pabcuam ntev ntawm PEEK yog siab dua li ntawm plaub lub thermoplastic tshwj xeeb engineering yas.Yog li ntawd, PEEK cov ntaub ntawv tuaj yeem ua rau pom kev ua haujlwm kub zoo heev.
Kev ua haujlwm tshwj xeeb ntawm kev kub siab ua haujlwm ntawm PEEK tuaj yeem kuaj tau los ntawm kev kub siab khoov thiab kub compression.
Raws li pom hauv daim duab hauv qab no:
Fig.2 PEEK5600G and PEEK5600CF30.
High kub dabtsi yog khoov cuab yeej thiab kub compression nkhaus
Nws tuaj yeem pom los ntawm Fig.2 tias, zoo li txhua yam yas, lawv cov khoom siv kho tshuab txo qis nrog qhov nce ntawm qhov kub thiab txias.Txawm li cas los xij, vim qhov kub thiab txias tsis kam ntawm nws PEEK, nws tseem tuaj yeem tuav txog 70% ntawm qhov kev ua tau zoo ntawm 100C.
2. PEEK super corrosion kuj
Nyob rau hauv qhov tseeb ntau lawm thiab lub neej, PEEK cov ntaub ntawv kuj siv corrosion kuj, xws li PEEK capillaries rau analytical instruments, PEEK pob qij txha thiab hais txog.
Tab.1 Corrosion resistance tables ntawm ntau yam tshwj xeeb engineering yas
Nws tuaj yeem pom los ntawm Tab.1 tias qhov kev tiv thaiv corrosion ntawm PPS yog qhov zoo ib yam li ntawm PEEK, thaum lub corrosion kuj ntawm PPSU, PEI, PI yog phem dua li ntawm PEEK.
PEEK cov khoom muaj tshuaj tiv thaiv zoo heev.Nyob rau hauv cov tshuaj, tsuas yog cov concentrated sulfuric acid tuaj yeem yaj lossis rhuav tshem nws, thiab nws cov corrosion kuj zoo ib yam li cov hlau nickel.
Post lub sij hawm: 10-02-23