Isiokwu a na-enyocha mmetụta nke njikwa esemokwu weebụ n'oge mkpuchi teepu Teflon na-ekpo ọkụ na PTFE substrate flatness na nrapado mkpuchi uniformity. Mmetụta dị na steepụ mkpụrụ: erughị ala gafere oke na-agbanwe agbanwe na-akpata mgbatị plastik na-enweghị ike ịgbatị na olu (longitudinal elongation, transverse narrowing), na-eme slackness, wrinkles na wavy ụkpụrụ; PTFE na-akpụ akpụ n'okpuru esemokwu na-adịgide adịgide na-aghọ ' oyi kpọnwụrụ' mgbe ọ jụrụ oyi, na-eme ka ahụ ghara ịdị n'elu; Esemokwu ngbanwe na-enweghị isi site na myirịta rola na-adịghị mma na-emepụta akụkụ ndị gbajiri agbagọ, ọnya etiti, na akara ndị na-esighị ike n'oge.

Isiokwu a na-enyocha mgbanwe nhazi na akwa akwa okpomọkụ PTFE n'oge ịka nká. Akụkụ anọ: PTFE mkpuchi microstructure - molecular yinye scission na ọxịdashọn (carbonyl/carboxyl otu e guzobere), crystallinity mgbanwe (n'oge ebili wee daa), Micro-crack na pinhole guzobe, elu powdering; Glass eriri mkpụrụ na interface - sizing / njikọ gị n'ụlọnga decomposition na-akpata ọnwụ nke bonding, interfacial debonding na delamination (blistering, ọcha ebe), iko eriri netwọk ozize na embrittlement, alkali metal oxide ọdịda na-akpata nchekasị corrosion; Ọdịdị macroscopic na ọdịdị - mgbanwe agba (ọcha → beige → aja aja → nwa), nrụrụ na-ebelata na curling, n'elu roughening na gloss ọnwụ, ntụ ntụ na aka, nkwụsị zuru oke nke mgbanwe. Ihe kacha mkpa nke ịka nká: usoro na-aga n'ihu nke ' mkpuchi mkpuchi → ọdịda interface → mmebi mkpụrụ.

Isiokwu a na-ekpuchi otú e si achịkwa sintering oge nke PTFE elu-okpomọkụ ákwà. Usoro njikwa isi: nhazi ọsọ ahịrị. Oge Sintering = ngalaba kpo oku dị irè ogologo ÷ akwa njem ọsọ. Ọnụ ụzọ nbata dị mma bụ 350C (n'elu okpomọkụ a na-agụta dị ka oge nkwụsịtụ). Nkesa okpomọkụ nke ọtụtụ mpaghara: preheating (100-250°C), sintering (360-395°C), ọnọdụ okpomọkụ dị elu (380-390°C), jụrụ oyi (n'okpuru 300°C). Oge ntụaka na 380-390°C: dị arọ (0.08-0.13mm) 30-60 sekọnd; ọkọlọtọ (0.18-0.25mm) 1.5-3 nkeji; arọ (≥0.35mm) 3-5 nkeji. Nchọpụta na mgbanwe: n'okpuru-sintering (obere ike, ntụ ntụ ntụ, micro-cracks) → belata ọsọ iji gbasaa oge; n'elu-sintering (acha odo odo, kenkuwa, uzuzu ọcha) → ịbawanye ọsọ iji belata ebe obibi. Nhata-oge okpomọkụ na-enye ohere ikpo ọkụ dị elu ngwa ngwa (395-405°C, sekọnd) ma ọ bụ obere okpomọkụ nwayọọ nwayọọ sintering (360-375°C, 5-8 nkeji).

Isiokwu a na-akọwa ụkpụrụ nke mgbanwe na cohesive ike nke PTFE elu-okpomọkụ teepu nrapado oyi akwa mgbe elu okpomọkụ ịka nká. Usoro nke atọ: ọkwa na-ebilite mgbe ọgwụgwọ gasịrị (mkpughe okpomọkụ dị elu na 200-260 Celsius C, ìgwè ndị na-emegharị ihe na-aga n'ihu na-aga n'ihu na-agafe, njikọta na-abawanye ụba); Ogbo nha anya kwụsiri ike (ịgafe ụzọ mmecha, njikọta na-adịgide ogologo oge); Mweda na ọdịda ogbo (oke oge/okpomọkụ na-akpata mmebi agbụ ígwè, ịdị n'otu na-ebelata, nrapado na-adị nro ma na-aghọ ihe na-adịghị mma). A na-enyocha ihe kpatara ọdịda njikọta ọnụ (ndọwa nke ime na-ahapụ ihe fọdụrụ) na ịpịpụta (oyi na-erute n'akụkụ n'ihi mbelata modul).

Isiokwu a na-akọwa ngwa ngwa nke Teflon akwa okpomọkụ dị na ụlọ ọrụ ike anyanwụ. Ngwa isi na modul lamination: akwa ntọhapụ etinyere n'elu / n'okpuru modul PV na-egbochi EVA a wụrụ awụ (140-150 Celsius) ịrapagidesi ike na platen kpo oku ma ọ bụ efere roba, na-echebe akụrụngwa na ịgba mbọ hụ na modul dị larịị; eriri ndị na-ebu laminator maka ịkwanye / nbudata akpaka; roba platen mkpuchi akwa na-agbatị ndụ ọrụ. Ịzụta eriri cell: eriri ebufe na-ebu sel na rịbọn site na mpaghara kpo oku, na elu na-abụghị osisi na-eguzogide mmiri na splashes solder; Igwe ikpo okwu kpo oku maka ebe a na-arụ ọrụ. Ihe mkpuchi okpomọkụ dị elu: mkpuchi maka tubes kpo oku, thermocouples, eriri na laminators na ikpo ọkụ; akụrụngwa okpomọkụ mkpuchi ákwà mgbochi na ọta.

Isiokwu a na-ekpuchi pretreatment nzọụkwụ chọrọ maka fiberglass ákwà tupu PTFE emulsion impregnation. Nzọụkwụ 1: Ngwọta okpomọkụ / dewaxing na 300-450 ° C iji wepụ paraffin wax na mmanụ kpamkpam site na eriri fiber (paraffin wax, starch derivatives), residual sizing content chọrọ n'okpuru 0.2%, na-emepụta ' okpomọkụ-dewaxed ákwà. ' Nzọụkwụ 2: Elu chemical ọgwụgwọ - ngwa nke silane coupling agents, KH-550 (KH-550). ụdị chemical bonding film na eriri elu, na-enyere molekụla àkwà mmiri n'etiti inorganic iko emep uta eri na organic PTFE; akwa emechara ọgwụgwọ dị maka azụmaahịa nwere ike ịgafe usoro a mana a ga-enyocharịrị ya. Nzọụkwụ 3: ihicha na preheating - ihicha na 80-120 ° C maka 1-2 awa iji belata mmiri ọdịnaya n'okpuru 0.1%, na-egbochi afụ / efu e guzobere n'oge ọgwụgwọ.

Edemede a na-egosi ụzọ iji meziwanye nguzogide na-akpụ akpụ na nkwụsi ike ogologo oge nke teepu dị elu nke Teflon dị elu. Usoro gụnyere: Njikarịcha netwọkụ netwọkụ molecular - elu MQ silicone resin/gum ratio (1.2:1–2:1) na-etolite ngalaba ngalaba siri ike; ntinye nke otu phenyl (20-30 mol%) na-egbochi mmegharị agbụ; crosslink molecular arọ na-achịkwa na 5,000-15,000 g / mol; Gradient modul multilayer nrapado Ọdịdị - primer-anchoring oyi akwa (1-3μm) na silane njikọ njikọ, elu-moduls cohesive oyi akwa (30-50μm) dị ka shear-eguzogide skeleton, viscoelastic functional oyi akwa (3-8μm) maka elu wetting; Nanofillers - silica fumed (10-25 wt%) nwere ngbanwe elu na-emepụta njikọgharị anụ ahụ nwere ike ịtụgharị.

Edemede a na-enyocha mgbanwe nhazi nke akwa fiberglass nwere mkpuchi PTFE na gburugburu ebe na-emebi emebi. Mkpuchi PTFE kwụsiri ike n'ọtụtụ mgbasa ozi (gụnyere aqua regia, acid concentrated, ihe mgbaze organic) - ụdọ molekụla na-agbanwebeghị agbanwe. Ewezuga: ọla alkali gbazere na-ewepụta fluorine na-eme ka carbonization (aja aja / nwa, kenkuwa); ndị na-emepụta fluorinat siri ike (F₂, ClF₃) na-agbaji ọkpụkpụ carbon-carbon; ụfọdụ ihe mgbaze ụdị Freon na-akpata ọzịza; Acids oxidizing na-ekpo ọkụ na-ekpo ọkụ na-ewebata otu pola n'elu.

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 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.