Dab tsi tshwm sim siab -Kev Ua Tau Zoo Polymers Nyuaj Siab PTFE hauv Kev Hloov Tshuaj Kub Kub Kub?

PTFE thiab PFA tau ntev dominated corrosion resistant tshav kub exchangers tab sis ib tug tshiab chav kawm ntawv ntawm kev ua tau zoo polymers yog pib coj ib tug hlais ntawm qhov kev txiav txim tshwj xeeb tshaj yog nyob rau hauv daim ntawv thov uas siab zog los yog kub yuav tsum tau.

Taw qhia rau Cov Kev Ua Haujlwm Zoo Siab Tshiab Polymers
PTFE, PFA thiab lwm yam fluoropolymers feem ntau yog siv rau cov cua sov exchangers vim lawv cov tshuaj tsis kam thiab thermal stability. Txawm li cas los xij, kev ua tiav tshiab hauv lwm qhov siab - cov khoom siv polymers muab kev sib tw lossis kev ua haujlwm zoo dua hauv ntau yam xws li lub zog siv tshuab thiab thermal kuj . Cov polymers tshiab - PEEK, polyimides thiab ETFE - muaj cov yam ntxwv tshwj xeeb uas yuav muaj txiaj ntsig tshwj xeeb hauv kev kub siab, kev kub siab thiab hluav taws xob tiv thaiv kev siv, tab sis lawv tsis sib npaug ntawm cov tshuaj tiv thaiv thoob ntiaj teb ntawm PTFE.

Polyether ether ketone (PEEK)
PEEK yog lub zog muaj zog polymer uas tuaj yeem tiv taus qhov kub siab tshaj 250℃thiab tuaj yeem siv rau cov ntawv thov kev ua haujlwm siab qhov twg PTFE yuav tsis tau txais. Txawm li cas los xij, PEEK cov tshuaj tiv thaiv tuaj yeem raug cuam tshuam thaum raug rau qee cov kua qaub thiab halogens. Txawm hais tias cov teeb meem no, PEEK lub zog txhua yam, qhov ruaj khov thiab qhov kub thiab txias ua rau nws zoo meej haum rau kev lag luam uas muaj kev kub siab thiab muaj peev xwm thauj khoom yog qhov tseem ceeb.

Siv: Kev kub siab, tsheb thiab aerospace chaw.

Polyimide films (xws li Kapton)
Polyimides, xws li Kapton, yog cov kub kub resistant polymers uas tuaj yeem ua haujlwm ntawm qhov kub siab tshaj 300 degree. Cov ntaub ntawv no ruaj khov heev nyob rau hauv cov xwm txheej hnyav tab sis nyuaj rau tsim rau hauv tubing thiab muaj cov tshuaj lom neeg tsawg. Polyimides muaj thermal stability zoo heev tab sis tsis yog tshuaj inert li PTFE lossis PFA. Polyimides feem ntau tsuas yog siv rau hauv daim ntawv thov tshwj xeeb vim tias lawv cov nqi siab hauv qhov kev siv yog tsim nyog los ntawm kev sib xyaw ntawm qhov kub thiab txias thiab tsis tshua muaj tshuaj lom neeg.

Daim ntawv thov Aerospace, electronics thiab high temperature industrial processes.

Ethylene Tetrafluoroethylene (ETFE)
ETFE yog tawv dua PTFE, thiab feem ntau yog muag raws li lub npe Tefzel. Nws muaj ntau yam tshuaj tiv thaiv, txawm tias tsis zoo li PTFE lossis PFA. ETFE kuj tseem muaj kev tiv thaiv hluav taws xob zoo heev thiab tuaj yeem siv tau ntawm kev pabcuam kub txog li 150 degree. ETFE muaj zog thiab tiv taus hluav taws xob, tab sis nws tsis muaj tshuaj lom neeg ntawm PTFE. ETFE yog qhov ua tau rau qee cov ntawv thov kev lag luam uas cov tshuaj tiv thaiv tsis tseem ceeb dua li kev ua kom muaj zog.

Daim ntaub ntawv: Kev siv tshuaj lom neeg, kev siv lub zog siab, kev teeb tsa hluav taws xob tiv taus

Kev lag luam- tawm thiab kev txiav txim siab
Cov polymers tshiab muaj qee qhov tshwj xeeb zoo thiab tuaj yeem sib tw PTFE hauv qee qhov kev siv, tab sis txhua tus muaj nws qhov tsis zoo. PTFE muaj yuav luag universal tshuaj tsis kam, tab sis cov polymers tshiab yog superior nyob rau hauv tej niches qhov twg txhua yam muaj zog, thermal stability los yog hluav taws xob kuj yuav tsum tau. Cov txiaj ntsig zoo no feem ntau yog tus nqi ntawm cov tshuaj tsis zoo sib xws piv rau PTFE thiab cov khoom siv ntau dua. Yog li ntawd, ib qho tsim nyog polymer yuav tsum tau xaiv tom qab ua tib zoo xav txog qhov ntsuas kub, siab thiab tshuaj lom neeg raug.

Kev sib piv ntawm cov khoom tseem ceeb
Chemical Resistance Material Temperature RangeUses Radiation Resistance Mechanical Strength
PTFE Max 260 deg CExcellent (universal) Tsawg Tsawg Lub hom phiaj, cov txheej txheem tshuaj
PFA Txog 260℃Zoo heev (universal) Cov txheej txheem tshuaj qis qis, cov khoom siv hluav taws xob sib hloov
PEEK Mus txog 250℃+ Zoo (qee acids / halogens) High Low Aerospace, Automotive, High Pressure Applications
ETFE Mus txog 150℃Zoo (tsawg dua PTFE) Cov Radiation zoo heev, kev siv
Polyimides mus txog 300℃+ Nruab Nrab Nruab Nrab mus rau siab qis siab -kev siv kub, aerospace
Lo lus kawg
Thaum PTFE tseem yog tus neeg ua haujlwm rau feem ntau corrosion resistant tshav kub exchanger daim ntaub ntawv vim hais tias rau nws unrivaled tshuaj tiv thaiv, tshiab polymers xws li PEEK, polyimides thiab ETFE yog nce lub tsim lub hnab ntawv rau tshav kub exchangers nyob rau hauv tshwj xeeb daim ntaub ntawv. Cov ntaub ntawv no muaj qhov ua tau zoo ntawm qhov kub thiab txias, kev siv lub zog thiab hluav taws xob tiv thaiv, tab sis yuav tsum tau ua tib zoo xav txog kev sib raug zoo ntawm cov tshuaj thiab cov nqi. Ntau yam ntawm cov ntaub ntawv rau corrosion- tiv thaiv tshav kub hloov mus zuj zus, tsim kom muaj txoj hauv kev tshiab rau kev tsim cov kev daws teeb meem hauv ib puag ncig hnyav.