PTFE elu-okpomọkụ ákwà mkpuchi gaskets ikpokọta elu dielectric ike (kwụsi ike n'okpuru iru mmiri), -70 ° C ka 260 ° C okpomọkụ nso, eluigwe na ala chemical eguzogide (ma e wezụga a wụrụ awụ alkali ọla), na-abụghị osisi elu (na-egbochi creepage), mgbochi creep (fiberglass mkwado vs. dị ọcha PTFE), elu tensile ike = 0-1 flaction (flag.0). ogo. Tụnyere mica, roba, na dị ọcha PTFE gaskets, PTFE ákwà na-enye elu mgbanwe, processability, na ogologo oge akụkụ kwụsie ike. Kwesịrị ekwesị maka ihe ngbanwe, mkpuchi moto, mkpuchi flange kemịkalụ, na akụrụngwa semiconductor.

PTFE akwa ewepụghị n'oge sintering chọrọ kpọmkwem esemokwu, okpomọkụ, na njide njikwa. Ụzọ isi: igwe stenter (efere pin na-edobe obosara, na-egbochi weft shrinkage), profaịlụ okpomọkụ gradient (na-ekpo ọkụ ngwa ngwa → 380-400 ° C jide → nwayọọ nwayọọ dị n'okpuru 310 Celsius C tupu ewepụta esemokwu), mkpụrụ osisi na-ebu ụzọ (na-ewepụ nrụgide ịkwa ákwà tupu mkpuchi), na mkpuchi mkpuchi (na-egbochi agbaze dị iche). A ga-edobe ihe mgbochi senter ruo mgbe ọ dị jụụ n'okpuru ebe kristal PTFE (ihe dị ka 310 Celsius) iji gbochie iwe iwe.

A na-emepụta akwa akwa okpomọkụ dị elu nke PTFE site na impregnation nke ọ bụla (otu ngafe: ngwa ngwa, ọnụ ala, mkpuchi dị nro, elu siri ike na pinholes) ma ọ bụ impregnation multi-mikpu (2-3 + na-agafe: ezigbo, oke, mkpuchi pinhole, ọdịnaya PTFE 50-70%, arụmọrụ dị elu, ọnụ ahịa dị elu). Otu ntuba dabara gaskets dị ala, akwa nwa oge, na ihe ndị na-ekuku ume. A na-achọrọ ọtụtụ ntinye maka mpempe akwụkwọ nri-ọkwa nri, eriri ndị na-ebufe ihe na-abụghị osisi, ihe mgbagharị sekit ugboro ugboro, ihe mkpuchi kemịkalụ, na akpụkpọ ụlọ.

PTFE elu-okpomọkụ ákwà elu ọgwụgwọ agbaji chemical inertness maka bonding / obibi. Ụzọ anọ: chemical etching (sodium-naphthalene, elu ike 20 → 40-50 dyn / cm, ọchịchịrị oyi akwa na-adịgide adịgide, micro-porous Ọdịdị), plasma ọgwụgwọ (nano-roughening, arụ ọrụ otu grafting, mkpụmkpụ arụ ọrụ window), corona ọgwụgwọ (ihe nkiri, ngwa ngwa ire ere, oke omimi), na laser ọgwụgwọ (nkenke micro-patterning, carbonization na-achịkwa). Ụzọ niile na-eme ka ahụ sie ike ma na-ewebata otu polar (C=O, -OH, -COOH) iji mee ka nrapado nwee njikọ.

Raw ihe dị ọcha bụ isi ntọala nke PTFE elu-okpomọkụ ákwà mma. Ihe ndị na-adịghị ọcha (ndị na-emepụta ihe fọdụrụnụ, ndị surfactants, ion metal, ndị na-emetọ ihe ndị na-emepụta ihe) na-eme ka mmebi ọkụ na-adịghị agwụ agwụ (afụ, na-egbuke egbuke n'elu 260 Celsius C), ebe ndị na-adịghị ahụkebe (ihe adhesion arịlịka), mbelata ọkụ eletrik (mbelata dielectric, obere nkwụsịtụ voltaji), ike ọgwụgwụ na-acha odo odo (nrụgide na-agbawa agbawa). Akụrụngwa dị elu dị ọcha na-eme ka FDA kwadoro, ogologo ndụ, akwa PTFE na-arụ ọrụ dị elu.

PTFE mkpuchi fiberglass ákwà ngebichi chọrọ oge njide ziri ezi na 370-400°C. Ọkụ na-aga n'ihu: 30-90s (mkpa) ruo 3-5+ nkeji (oke). Igwe ọkụ ogbe: 5-15 min. N'okpuru-sintering na-akpata opaque, siri ike mkpuchi na bee; ngafe n'oke na-ebute agba odo, nhịkọri, na ntọhapụ gas fluoride na-egbu egbu. Usoro njikarịcha: jiri ndị na-ahụ maka okpomọkụ ọkụ ọkụ, na-eduzi nleba anya anya (ọkara transperent, mgbanwe), ma mee ule ịdọrọ teepu. Gbaa mbọ hụ na ịdị n'otu n'ịdị arọ nke oke okpomọkụ.

PTFE akwa akwa okpomọkụ chọrọ iji nlezianya mee ihe iji hụ na nchekwa na ogologo ndụ. Ihe ị ga-akpachapụ anya: agaghị agafe 260 Celsius C (n'elu 320 Celsius C na-ahapụ uzuoku na-egbu egbu), zere nhụsianya dị nkọ (mkpuchi mgbawa, na-ekpughe fiberglass), enweghị nhicha abrasive (ajị anụ na-emebi elu anaghị emebi emebi), debe mgbasawanye ọkụ (na-egbochi ịkwa akwa), ma dochie anya mgbe ọnya ma ọ bụ kpụpụrụ ya. Akpọrọla ụlọ ahịa, pụọ na UV. Yiri uwe mkpuchi na-ekpo ọkụ mgbe a na-ejikwa ya.

PTFE elu-okpomọkụ ákwà dị oké mkpa na uwe interlining ụlọ ọrụ. Ngwa ndị dị mkpa: eriri na-ebufe na-enweghị njedebe maka igwe fusing na-aga n'ihu (na-egbochi ịrapagidesi ike na-ekpo ọkụ na-ekpo ọkụ, nnyefe na-enweghị wrinkle), mkpuchi na-enweghị ihe mkpuchi na akwa akwa maka ikpo ọkụ dị larịị (na-echebe platens pụọ na nrịanrịa nke ntanye), eriri eriri maka ntụpọ ntụpọ / ntụ ntụ ntụ (na-anọgide na-eme ka ihe ntanye na-ekpo ọkụ na-ekpuchi akpụkpọ ụkwụ n'oge akọrọ akpụkpọ ụkwụ). Ọkpụrụkpụ sitere na 0.13mm (ihe mkpuchi ọkụ) ruo 0.55mm (eriri ebufe ọrụ dị arọ).

Anti-static PTFE ákwà na-enweta site na isi ụzọ abụọ: mkpuchi doping (agwakọta conductive fillers dị ka carbon nwa n'ime PTFE emulsion, akpụ a percolation netwọk na oké egwu ịta) na mkpụrụ ịkpa ákwà (embeding conductive emep uta eri n'ime fiberglass ákwà). A na-achịkwa resistivity elu na 10⁵-10⁹ Ω. Ụkpụrụ: mepụta ụzọ na-eduzi nke na-ewepụ ụgwọ ndị kwụ ọtọ ozugbo, na-egbochi nchịkọta dị ize ndụ. Ịgba ala bụ iwu maka ịrụ ọrụ dị irè.

ihicha bụ nzọụkwụ dị oke mkpa na mmepụta akwa akwa okpomọkụ dị elu nke PTFE. Nrụrụ ndị a na-ahụkarị gụnyere: mgbawa (ịkpọcha ngwa ngwa, akpụkpọ anụ elu), mkpuchi mkpuchi (ihe na-aga n'ihu n'elu, njikọ dị n'ime adịghị ike), pinholes / blisters (ikuku tọrọ atọ ma ọ bụ uzuoku), ntụpọ ọcha na chalking (mbugharị surfactant ma ọ bụ ngwakọta na-ezughị ezu), yellowing/coking (overheating of additives), delamination (shrinkage stress over adhesion), orange leveling mmiri dị n'ime ime (mmanya akpụkpọ anụ ọnyà), na oke ọnụ (mmetụta mgbanaka kọfị). Ngwọta gụnyere profaịlụ ihicha nke a na-achịkwa, ikuku ventilashị nke ọma, na nhazi nke mkpụrụ osisi.