Theipi ea mocheso o phahameng oa PTFE e sebelisoang lits'ebetsong tsa ho kopana le lijo e tlameha ho lula ka har'a meeli ea mocheso e hlalositsoeng: ≤260 ° C bakeng sa tšebeliso e tsoelang pele, ≤300 ° C bakeng sa litlhōrō tse khutšoanyane (metsotso), 'me ha ho mohla e ka holimo ho 327 ° C (ho bola). Melao ea FDA le EU ha e hlalose moeli oa nako o akaretsang - nako e sireletsehileng ea ho ikopanya e itšetlehile ka mocheso 'me e tlameha ho netefatsoa ka liteko tsa ho falla tse etsisang maemo a sebele.

PTFE lesela la mocheso o phahameng oa mocheso le lesela la silicone ka bobeli li sebelisa lesela la fiberglass e le motheo empa li fapane ka thepa ea ho roala (PTFE resin vs silicone rabara). PTFE e ipabola tabeng ea ho se thunye, ho se mamelle, le ho hanyetsa lik'hemik'hale ho fihla ho 260°C. Lesela la silicone le fana ka mokhoa o phahameng oa ho tenyetseha, ho kenya motlakase, le ho hanyetsa mollo (ho fihlela ho 230 ° C). Khetha ho latela lintho tse tlang pele bophelong ba hau.

PTFE lesela la mocheso o phahameng oa mocheso (PTFE membrane material) ke khetho ea pele bakeng sa meralo e tsitsitseng. Melemo ea bohlokoa: lilemo tse 30+ tsa bophelo ba kantle, sebaka sa ho itlhoekisa (metsi a pula a hlatsoa litšila), phetiso ea mabone a bonolo (6-13%), boemo ba mollo oa Sehlopha sa A, le matla a kang tšepe a ka tlase ho 1.5 kg/m². E sebelisoa mabaleng a lipapali, boema-fofane le meaho e ikhethang lefatšeng ka bophara.

Theipi ea mocheso o phahameng oa PTFE e hloka polokelo e nepahetseng ho boloka ho khomarela, ho tenyetseha, le ho lokolloa ha eona. Litlhoko tsa bohlokoa li kenyelletsa taolo ea mocheso (10-30 ° C), mongobo o ka tlase ho 60%, ho qoba khanya, ho itšehla thajana ka lik'hemik'hale, ho beoa ka kotloloho le moea. Latela tsamaiso ea thepa ea FIFO 'me u hlahlobe khafetsa.

Ho khetha tepi e nepahetseng ea mocheso o phahameng oa PTFE bakeng sa bethe e chesang ea khatiso ea 3D ho hloka ho lebisa tlhokomelo ho matšoao a mane a bohlokoa: ho hanyetsa mocheso (ho fihlela ho 260 ° C +), substrate e matlafalitsoeng ka fiberglass (0.18mm e loketseng), sekhomaretsi sa silicone se nang le sekhomaretsi se se nang thupa, le bophara bo nepahetseng / mamello. Tataiso ena e u thusa ho qoba ho khopama, ho sesa le ho hloleha ho hatisa.

Thempereichara ea phetoho ea khalase (Tg) ea sekhomaretsi sa silicone se nang le khatello ea maikutlo e ka bang -120 ° C - e tlase haholo ho feta likhomaretsi tsa acrylic. Tg ena e tlase haholo e boloka tepi ea PTFE ea mocheso o phahameng e tenyetseha le ho khomarela esita le ho -70 ° C, e thibela ho phunyeha ha brittle le ho nolofalletsa ho khomarela ka botšepehi lits'ebetsong tsa cryogenic.

Theipi ea PTFE e phahameng ea mocheso e ka peperana kapa ea robeha tlas'a maemo a ho kobeha khafetsa le ho bula. Sengoliloeng sena se hlalosa mokhoa oa ho thibela sena ka khetho e nepahetseng ea substrate (fiber fiber e matlafalitsoeng), botenya bo nepahetseng (0.18mm joalo ka maemo), khetho ea sekhomaretsi sa silicone, le mekhoa e nepahetseng ea ho kenya.

Lesela la PTFE la mocheso o phahameng le fana ka khanyetso e ikhethang ea lik'hemik'hale, le mamella li-acid tse matla, alkalis, solvents organic, le likhase tse senyang. Sengoliloeng sena se qaqisa lintho tsa sona tse hanyetsanang, mefokolo (metaele ea alkali e qhibilihisitsoeng, lisebelisoa tse matla tsa fluorinating), le lintlha tsa bohlokoa joalo ka mocheso, khatello ea maikutlo le khatello ea maikutlo.

Khetho ea pampiri ea tokollo kapa substrate ea filimi le moemeli oa tokollo e ama ka kotloloho botsitso ba polokelo le ts'ebetso ea peeling ea tepi ea mocheso o phahameng oa PTFE. Sehlooho sena se bapisa PET vs. kraft paper substrates le silicone vs. fluorinated release agents, e khothalletsang motsoako o nepahetseng bakeng sa peeling ea zero-residu le ho tšepahala nako e telele.

Litheipi tsa PTFE tse nang le mocheso o phahameng oa mocheso li sebelisoa haholo bakeng sa ho kenya motlakase, empa maemo a phahameng-frequency le a phahameng-voltage a baka likotsi tse ikhethang: ho senyeha ha motlakase, ho tsoa ka mokhoa o itseng, ho tsofala ha mocheso, tahlehelo ea matšoao a phahameng-frequency, le kutloisiso ea tikoloho. Sengoliloeng sena se hlalosa kotsi e 'ngoe le e 'ngoe le mokhoa oa ho e qoba.