Li-fluoropolymers tsa khoebo li thehiloe ho TFE, VDF, le ho isa tekanyong e nyane CTFE.Mehlala ea li-comonomer e kenyelletsa PMVE, PEVE, PPVE, HFP, CTFE, le PFBE.Litlamorao tse akaretsang tsa ho nkela fluorine sebakeng sa hydrogen polimang li kenyelletsa khanyetso e eketsehileng ea lik'hemik'hale le solvent, lisebelisoa tse matlafalitsoeng tsa motlakase joalo ka dielectric constant, coefficient e tlase ea khohlano, boemo bo phahameng ba ho qhibiliha, ho eketseha ha photostability le botsitso ba mocheso, ho hanyetsa lelakabe ho ntlafala, le ho fokola ha mochini. thepa.Mehaho ea ho qetela e finyelloa ha polymer e na le fluorinated ka ho feletseng.
Mekhoa ea ho Etsa
Ntle le li-fluoropolymers tse peli, PVF le PTFE, li-resin tse ling tse hlalositsoeng khaolong ena li ka sebetsoa ka mekhoa e tloaelehileng ea ho qhibiliha e kang ente, ho fetisoa le ho phunya, ho hlahisa le ho pota-pota.Lisebelisoa tsa ts'ebetso bakeng sa li-fluoropolymers li tlameha ho etsoa ka li-alloys tse thibelang kutu ka lebaka la motsoako o senyang o ka hlahisoang ha li-fluoropolymers li futhumatsoa ka holim'a libaka tsa tsona tse qhibilihisang.Li-viscosity tse phahameng tsa ho qhibiliha ha li-resin tsena li ka hloka phofo e ngata le lisebelisoa tse phahameng tsa ho lekanya khatello.
PTFE e sebetsoa ho sebelisoa mekhoa ea tšepe ea ho lokisa phofo moo preform e bōptjoang le "sintered."Compress molding e ka boela ea sebelisoa ho etsa likarolo tsa PTFE.Li-dispersions tsa PTFE li sebelisoa ke mekhoa e ts'oanang ho liphahlo tse ling.Ho peista extrusion moo PTFE e kopantsoeng le hydrocarbon, pele ho ho bopa preform, e sebelisoa ho tsoela pele ho etsa PTFE ka li-tubes, litheipi, le terata.Hydrocarbon e fetoha mouoane pele karolo e chesoa.
PVF e qhalakantsoeng ka har'a polar latent solvent joalo ka dimethyl acetamide 'me e qhibilihisoa e le plastisol, e lateloa ke ho tlosoa ha solvent ka ho omisa.
Lisebelisoa
Thepa ea li-fluoropolymers tse lebisitseng lits'ebetsong li kenyelletsa ho hanyetsa lik'hemik'hale, botsitso ba mocheso, thepa ea cryogenic, coefficient e tlaase ea likhohlano, matla a tlaase a holim'a metsi, matla a tlaase a dielectric, molumo o phahameng le ho hanyetsa holim'a metsi, le ho hanyetsa mollo.Li-fluoropolymers li sebelisoa e le liner (process surface) ka lebaka la ho hanyetsa tlhaselo ea lik'hemik'hale.Li fana ka nako e telele, tlhokomelo e tlaase, le mekhoa e meng ea moruo ho feta litšepe tse sa tloaelehang bakeng sa ho sebelisoa mocheso o phahameng ntle le ho hlahisa litšila.Thepa ea motlakase e etsa hore fluoropolymers e be ea bohlokoa haholo lits'ebetsong tsa elektroniki le tsa motlakase joalo ka li-insulators, mohlala, FEP likhokahanong tsa data.
Lisebelisoa tsa likoloi le tsa ofisi, thepa ea mechine ea fluoropolymers e molemo ho li-bearings tse fokolang tse fokolang le litiiso tse hanang ho hlaseloa ke li-hydrocarbon le maro a mang.Ts'ebetsong ea lijo, Tsamaiso ea Lijo le Lithethefatsi e amohetsoeng ke limaraka tsa fluoropolymer ke lisebelisoa tsa masela bakeng sa lisebelisoa ka lebaka la ho hanyetsa oli le lisebelisoa tsa ho hloekisa, le thepa ea tsona e thibelang thupa le likhohlano tse tlase.Ka har'a lisebelisoa tsa ntlo, li-fluoropolymers li sebelisoa e le liphahlo tse sa reng letho bakeng sa lisebelisoa tsa ho pheha le holim'a lisebelisoa.Lingoliloeng tsa bongaka tse kang li-patches tsa ho buoa le li-graft tsa pelo li itšetlehile ka botsitso ba nako e telele ba li-fluoropolymers hammoho le matla a tsona a tlaase le ho hanyetsa lik'hemik'hale.
Bakeng sa boema-fofane, mabala a lipapali, le meaho e meng, lesela la fiber la khalase le koahetsoeng ka PTFE le entsoe ka marulelo le mathule.PTFE e fana ka khanyetso e ntle ea boemo ba leholimo, ho kenyelletsa ho pepesehela mahlaseli a UV ha a le letsatsing, ho hanyetsa malakabe bakeng sa polokeho, le matla a tlase a holim'a mobu bakeng sa ho hanyetsa mobu, le ho hloekisa habonolo.
Nako ea poso: May-30-2018