Isiokwu a na-akọwa ngwa nke PTFE mkpuchi fiberglass ákwà na ngwá electronic na eletriki ụlọ ọrụ. Ebe isi isii: mkpuchi na nchekwa dị elu - moto inter-turn/slot/phase ikpuchi, ihe mkpuchi oyi akwa transformer, mkpuchi eriri igwe, ikewapụ ngwa ọkụ eletrik; Ihe mkpuchi mkpuchi ọla kọpa na nrụpụta PCB - akwa ntọhapụ na PCB lamination, prepreg na CCL mbufe dị ọcha; Ịzụta eletrọnịkị - ihe nkpuchi maka ịgbanye ebili mmiri/nyogharị (nchekwa mkpịsị aka ọla edo), eriri igwe ebufe oven, akwa ebe a na-ere ihe, mkpuchi mkpuchi egbe ikuku ọkụ; USB na wiring njikota - elu okpomọkụ cable wrapping teepu, thermal aka uwe na fireproof cover, okpomọkụ-ebelata tubing mgbasa nhazi ebu belt; Anti-static na ime ụlọ dị ọcha - eriri na-ebufe ime ụlọ dị ọcha na akwa ebe a na-arụ ọrụ, semiconductor na nnyefe okpomọkụ dị elu nke fotovoltaic.

Edemede a na-egosi ụzọ nyocha maka mgbochi ịrapagidesi ike na ihe dị mfe na-ehichasị ihe nke PTFE mkpuchi fiberglass akwa megide ntụpọ mmanụ na uzuzu. Ụzọ gụnyere: Nkuku kọntaktị na ule ike elu - mmiri kọntaktị mmiri na-emekarị>110°, angle rolling越小越好, elu ike kwesịrị 18-20 mN/m; Nnwale peel maka igwe - ike peel 180 ° nwere teepu ọkọlọtọ, ezigbo <0.1 N/25 mm; Nnwale na-eguzogide mmanụ a na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka mmanụ na-esi ísì ụtọ / usoro fọdụrụnụ, nhazi nhazi nke ọma site na iji ọdịiche agba ΔE nha (obere ΔE = nhicha dị mma), na nyocha ngwa ngwa mmanu mmanu (ink shrinkage na-egosi ezigbo ihe mgbochi); Nnwale mgbochi uzuzu - ụzọ edozi uzuzu na nyocha onyonyo, iwepu uzuzu ikuku na-atụ oke ọsọ ọsọ, yana nyocha mgbasa ozi electrostatic site na nguzogide elu; Ntụle ịdịte aka - megharịa ule niile ka ịka nká dị elu (260°C/300°C) ma ọ bụ abrasion Taber iji hụ na nkwụsi ike ogologo oge.

Isiokwu a na-ekpuchi ngwa nke Teflon akwa-okpomọkụ ákwà (PTFE-ntekwasa fiberglass ákwà) na aerospace ubi. Mpaghara ngwa ngwa: nrụpụta ihe mejupụtara - ntọhapụ akwa / ihe nkiri na ịkpụzi autoclave, akwa dịpụrụ adịpụ, eriri ebu oke okpomọkụ maka mmepụta prepreg; Injin na nchekwa okpomọkụ dị elu - mkpuchi mkpuchi okpomọkụ, mkpuchi ọkụ ọkụ, njikọ okpomọkụ na-agbanwe agbanwe; Ihe mkpuchi eletriki na nchekwa waya - mkpuchi eriri na ngalaba injin na ọdụ ụgbọ ala; Ime ụgbọ elu na nchekwa ọkụ - ákwà mgbochi ọkụ / ihe mgbochi anwụrụ ọkụ na-ezute ụkpụrụ FST, mkpuchi mkpuchi okpomọkụ / ihe mkpuchi mkpuchi; Ngwa oghere na ikuku - mgbakọ multi-layer mkpuchi (MLI), mgbochi oyi-weld lubrication liners maka usoro ntinye akụkụ nke anyanwụ na eriri antenna, akwa njikwa ọkụ.

Isiokwu a na-akọwa otú PTFE mkpuchi agbụ na fiberglass ákwà mkpụrụ na Teflon elu-okpomọkụ ákwà. Njikọ kemịkalụ ozugbo agaghị ekwe omume n'ihi ike elu dị ala nke PTFE. A na-enweta njikọ site na: Mechanical interlocking (njikọ anụ ahụ) - PTFE emulsion na-abanye n'ime eriri eriri na eriri eriri mgbe ọ gachara; Silane njikọ ọnụ n'ụlọnga pretreatment - Nleta molekụla àkwà mmiri n'etiti inorganic iko emep uta eri na organic primer; Ntugharị oyi akwa kemịkalụ - iji PAI, PPS, PES ma ọ bụ PEEK resins na PTFE micropowder, etinyere ya mgbe ejikọtara ọgwụgwọ iji mepụta oyi akwa mgbanwe siri ike; Hot-agbaze nrapado film lamination - FEP ma ọ bụ PFA fim (na-agbaze ebe 260-310 Celsius) njikọ tupu kpụrụ PTFE fim na ákwà; Gradient Ọdịdị site multiple impregnation na sintering cycles - itughari akpa ngafe na ihe nkedo / njikọ njikọ banye miri n'ime emep uta eri, sochiri dị ọcha PTFE impregnations, na-eke compositional gradient si fiberglass ka dị ọcha PTFE.

Isiokwu a na-ekwu otú microporous Ọdịdị imewe nke breathable Teflon (PTFE) elu-okpomọkụ teepu itule ikuku permeability na mkpuchi na-abụghị osisi Njirimara. Esemokwu dị n'etiti: ikike ikuku chọrọ oghere oghere, ebe mkpuchi na-achọ njupụta na enweghị mkpisi na-achọ ebe dị larịị. Atụmatụ imewe dabara adaba: na-achịkwa nkezi pore dayameta (0.1-2μm, nke kachasị <0.5μm) iji gbochie mgbaze gbazee ma nọgide na-enwe voltaji ndakpọ; njikwa porosity na 50-70% (≈60% kacha mma) na-enweta Gurley 20-100s / 100cc na ike dielectric ≥2kV maka ihe nkiri 0.13mm; nabata usoro pore netwọkụ 3D dị elu tortuosity (τ≈2.5-4) iji gbochie ọwa mgbasa ozi kwụ ọtọ; wuo ihe owuwu asymmetric gradient pore nwere akwa akpụkpọ anụ dị n'elu (1-5μm) maka enweghị mkpisi / mkpuchi na ime ime oghere maka iku ume; tinye super-oleophobic/hydrophobic elu post-ọgwụgwọ na-enweghị pore blockage.

Isiokwu a na-enye uru nke akwa akwa okpomọkụ dị elu nke PTFE dị ka mgbasa ozi nzacha okpomọkụ. Ike isi isii: nguzogide okpomọkụ pụtara ìhè (na-aga n'ihu 260 ° C, ọnụ ọgụgụ kasị elu ~ 300 Celsius C), gafere PPS (190°C) na aramid (200°C); Oke inertness kemịkalụ megide acid, alkalis, ihe mgbaze na oxidants, hydrolysis na-eguzogide, na-egosipụta aramid na P84 na gas flue na-emebi emebi; Ọrụ nhicha uzuzu kachasị elu yana ike elu dị ala dị ala nke na-enye ohere iwepụ achicha uzuzu dị mfe yana nkwụsị nrụgide dị ala; Ezigbo mma nzacha na nha pore 0.1-3μm na-ejide ihe karịrị 99.99% nke PM2.5; Enweghị ọkụ na LOI karịa 95%, yana nhọrọ mgbochi static dị; Ike igwe dị elu site na nkwado fiberglass, yana mgbasa ozi fiber PTFE dị ọcha na-enye mgbanwe na> ndụ ọrụ afọ 4. Atụnyere nke ọma megide PPS, aramid, Nomex, P84 na fiberglass filter media gafee okpomọkụ, kemịkalụ mgbochi, hydrolysis iguzogide na ihicha arụmọrụ.

Isiokwu a na-enye usoro nhazi usoro maka igbochi nrapado nrapado na nrapado ọbara mgbe ị na-eji PTFE elu-okpomọkụ teepu iji chebe PCB gold mkpịsị aka n'oge SMT mgbakọ. Ntụle ihe kpatara mgbọrọgwụ: ihe fọdụrụ na-apụta site na nkwụsị ọnụ ma ọ bụ nnyefe interfacial; ọbara na-apụta site na viscosity dobe na nrapado jubigara ókè n'okpuru okpomọkụ nlọghachi. Ngwọta isi bụ nhọrọ teepu kwesịrị ekwesị: silicone PSA nwere obere oge kacha elu ≥300C, na-aga n'ihu ≥260C, ngụkọta ọkpụrụkpụ 0.08-0.13mm na mkpa akwa-njikọ nrapado n'ígwé, na mgbochi-ọbara ọbara / ihe fọdụrụ-free asambodo. Usoro nhazi usoro isii: ihicha tupu lamination na IPA; lamination efu na-ebupụ ikuku zuru oke; profaịlụ reflow nke kachasị mma yana kpo oku dị nro (<2°C/s); oyi peeling n'okpuru 50 ° C na 180 ° n'akuku; nhazi ozugbo n'ime awa 24 na otu-eji naanị; njikwa ọdịda site na ihichapụ IPA na nyocha 40-50x magnifier. Maka PCB nwere akụkụ abụọ, jiri teepu ọhụrụ dochie tupu nhazi akụkụ nke abụọ.

Isiokwu a na-enye nduzi nhazi maka igbochi wrinkles na akwa akwa okpomọkụ PTFE n'oge sintering. Ihe na-akpata nhụsianya bụ n'ụzọ bụ isi site na mbelata okpomọkụ na-ezighi ezi na nrụgide na-ekwekọghị ekwekọ. Ngwọta na-ekpuchi usoro ọrụ zuru oke: njikwa mkpụrụ ihe akụrụngwa (ntọhapụ zuru oke / ikpo ọkụ iji kpochapụ nrụgide dị n'ime); impregnation na ihicha (ọtụtụ ihe mkpuchi dị mkpa, gradient dị nwayọọ okpomọkụ, ndị na-anya ụgbọala na-arụ ọrụ); njikwa ọkụ na-ekpo ọkụ (1-3% overfeed maka ikike nkwụsịtụ ọkụ, njikwa micro-tension na-emechi emechi, ịdị n'otu okpomọkụ dị n'ime ± 5 ° C, gradient preheating-sintering- cooling curve, air-flotation furnaces dị ka ezigbo ngwọta, curved spreader rollers); oyi na ntọala (nwayọọ nwayọọ nwayọọ nwayọọ, nọgide na-agbasa ruo n'okpuru 100 Celsius C, zuru jụụ tupu ikuku); nlekota oru n'ịntanetị site na nyocha ọkụ siri ike na nyocha infrared.

Isiokwu a na-enyocha otú sandblasting ma ọ bụ matt finishing ọgwụgwọ emetụta elu Ọdịdị nke PTFE elu-okpomọkụ ákwà. Mgbanwe na-eme n'akụkụ atọ: morphology microscopic na-agbanwe site na enyo dị nro-dị ka udidi siri ike nke nwere ụkpụrụ Ra/Rz na-abawanye nke ukwuu, na-ekepụta usoro nhazi 3D maka njikọ na-esote. Mkpuchi iguzosi ike n'ezi ihe na-eche ihe egwu ihu: PTFE oyi akwa thinning, nwere ike ikpughe nke fiberglass mkpụrụ (na-akpata ọnwụ nke na-abụghị osisi ihe onwunwe, mmiri ịbanye, na mbelata n'ibu ike), gbakwunyere microcracks na irighiri ọgbọ.

Isiokwu a na-ewebata zuru ezu bụ isi usoro maka impregnating fiberglass ákwà na PTFE emulsion. Nzọụkwụ asaa dị mkpa: ① Pretreatment (dewaxing / dewaxing) na 350-400 ° C iji wepụ ihe ndị na-emepụta akwa ákwà; ② Emulsion usoro na 40-55% siri ike ọdịnaya na surfactants maka mma wetting; ③ Impregnation site n'usoro ntinye-pịa ma ọ bụ mkpuchi agụba dọkịta; ④ Ịkpọ nkụ na 100-150 ° C iji jiri nwayọọ wepụ mmiri na-emepụta ihe nkiri PTFE akọrọ; ⑤ Sintering na 360-390 ° C (ruo 400 ° C) iji gbazee ihe ndị PTFE n'ime ihe nkiri na-aga n'ihu; ⑥ Multi-cycle impregnation- ihicha-sintering ugboro 2-4 iru ebumnuche ọkpụrụkpụ na resin ọdịnaya (45-65%); ⑦ Ọgwụgwọ mgbe emechara gụnyere ọgwụgwọ corona, mbelata ọnụ, ikuku na nyocha ịdị mma. Isi ihe na-achịkwa isi: nchacha zuru oke, wetting emulsion zuru oke, ihicha nke nta nke nta, okpomoku siri ike nke ọma, yana njupụta mkpuchi na-agbanwe agbanwe. Ngwaahịa na-enye laminates ọla kọpa na-adị elu ugboro ugboro, eriri na-ebuga okpomọkụ na ihe eji arụ ụlọ.