PTFE da PFA suna da haɓakar juriya na zafin jiki idan aka kwatanta da FEP.FEP da PFA a bayyane suke, duk da haka PTFE yana da haske.FEP da PFA suna da kaddarorin inji mafi kyau idan aka kwatanta da PTFE. Babban bambance-bambancen shine game da rashin kuzarin sinadarai, juriya na lalata, rashin ƙarfi, da amincewar FDA.
Akwai nau'ikan fluoropolymers da yawa yanzu kuma kowannensu yana da manufa daban.Ƙananan bambance-bambance a cikin tsarin PTFE, FEP da PFA duk suna ba da bambance-bambancen da ke ba da ɗimbin kaddarorin da ba na sanda ba.
PTFE
Polytetrafluoroethylene, ko PTFE, shine farkon na'urar fluoropolymers na roba da aka samar.Kuna iya sanin sanannun sunan sa, polymer, wanda kamfanin DuPont ya samar.
PTFE yana da kyau don ƙirƙirar suturar da ba ta da tsayi a kan abubuwan da ake amfani da su don dafa abinci da yin burodi. Harsashi da tsarin tarin ƙura kuma suna amfani da PTFE.It ne hydrophobic, ruwa ba zai jika PTFE kamar yadda yana da high electronegativity.PTFE ne kawai da aka sani surface zuwa wanda. gecko ba zai iya tsayawa ba.
FEP
Fluorinated ethylene propylene, ko FEP, ya ɗan bambanta da PTFE, kodayake har yanzu yana da wasu halaye iri ɗaya na polymer.
FEP yana da laushi fiye da PTFE kuma yana narkewa a ƙananan zafin jiki don haka yin burodi da yin amfani da kayan abinci ba su da yawa.
PFA
Babban bambanci tsakanin perfluoroalkoxy alkanes, PFA, da PTFE shine abubuwan maye gurbin alkoxy waɗanda ke ba da izinin sarrafa polymer.
A kan matakin kwayoyin, PFA yana da ɗan ƙaramin tsayin sarkar zuwa sauran fluoropolymers. Hakanan yana da sarƙoƙi mafi girma fiye da sauran fluoropolymers.PFA yana da atom oxygen a cikin tsarinsa.Sauran biyun ba su mallaki wannan ba. Wannan bambance-bambance a cikin tsari yana ba da ingantaccen kwararar PFA, juriya mai raɗaɗi da kwanciyar hankali na thermal.
PS: Tuntube mu don PTFE ƙãre samfurin samfurin kyauta
Lokacin aikawa: Agusta-24-2017