PTFE (polytetrafluoroethylene), aka polymer, ndiyo yekutanga sarudzo polima yemabhero nemadiaphragms, asi waizviziva here kuti PTFE handiyo yega polima yaungasarudza kubva?Muchinyorwa chino tichafananidza mamwe maviri mapolymers - PFA neTFM - kuPTFE sesarudzo yemhando yemabhero uye diaphragms.
PFA
PFA, kana Perfluoroalkoxy, dzimwe nguva inonzi polymer PFA.Iyo ine zvivakwa zvakafanana nePTFE, zvinosanganisira yakasarudzika makemikari resistivity uye ine yakaderera gasi permeability.Haisi hydrophobic sePTFE, zvisinei, uye inotora mvura shoma shoma.Chimwe chikonzero chinogona kusarudzwa pamusoro pePTFE kukwanisa kwayo kuchengetedza simba rayo remagetsi pakupisa kwepamusoro, kunyange kana yakasanganiswa nemakemikari anokonzera.Iyo zvakare ine zvese zvakanakisa zvinokambaira, kuneta zvivakwa uye kugadzikana kwekupisa.Yayo yakanyanya kuenderera sevhisi mukupisa i260°C.
PFA zvakare inochinja-chinja kana zvasvika pakuti zvikamu zvinogona kugadzirwa sei;semuenzaniso, inozvikweretesa zvakanaka kune extrusion, jekiseni kuumba, kutamisa molding, blow molding, uye compression molding.Iwe unowanzo kuona PFA ichishandiswa epurasitiki lab michina nekuda kweiyo yakasarudzika kemikari inertness, uye kuchinjika kwayo kwakange kwaita kuti ive sarudzo yakakurumbira yekuputira machubhu mune akawanda emakemikari application.Iyo inozivikanwa zvakare kune semiconductor uye mishonga yekushandisa.
TFM
Unogona kunge wakanzwa nezveTFM, kana PTFE-TFM.TFM ichizvarwa chechipiri PTFE inosanganisira imwe modhi inonzi Perfluoro(propyl vinyl ether).Ichi chigadziriso chinoita kuti chimiro chayo chepolymer chiomese kupfuura PTFE, ichidzikisa kupera kwayo kwegasi pazasi pePTFE asi isiri yakaderera sePFA.Ukobvu hwakafanana hwemadziro eTFM hune kaviri chivhariso mhedzisiro sePTFE.Kutora kwayo mvura kunofananidzwa nePTFE, iyo yakanaka kwazvo.Kufanana nePFA, inoita zvakanaka pakupisa kwakanyanya uye inert inert yemakemikari.TFM zvakare yakagadziridzwa zvakanaka kune maapplication anosanganisa tembiricha yakakwira nemavacuum.Kufanana nePFA, inoshanda nemazvo kune zvemishonga uye semiconductor application.
Kana ichienzaniswa nePTFE, ine hunhu huri nani hwepamusoro, yakaoma, uye haitani kunyura uye yakavandudza kuneta.Kuenzaniswa nePTFE, inoratidzawo zvirinani kupora kushushikana.Iyo yakanyanya kuenderera sevhisi tembiricha ndeye 250 ° C, iri pazasi pePFA zvishoma.
Polymer Options
Idzi mbiri idzi sarudzo dzepolymer isarudzo dzakanakisa dzekuchena kwekushandisa, kusanganisira yekurapa, pharma, semiconductor mabhero.Saka, nguva inotevera paunenge uchisarudza mabhero epolymer kana diaphragm, usakanganwe kuti PTFE haisiriyo yako yega sarudzo.
Nguva yekutumira: Kubvumbi-11-2018