PTFE elu-okpomọkụ teepu nwere magburu onwe nnu ịgba-eguzogide, ma na-adịghị ike ihe bụ nrapado oyi akwa na fiberglass mkpụrụ n'ọnụ. Ụzọ nyocha: 1000h na-anọpụ iche nnu ịgbasa (NSS), ịlele peel ike njide (≥80% chọrọ), visual ntụpọ (ebuli, ọnya), na metal substrate corrosion. Maka gburugburu oke mmiri na nnukwu nnu-nnu: jiri silicone PSA (ọ bụghị acrylic), mkpụrụ PTFE zuru oke, mechie ọnụ ya na mkpuchi ihu igwe na-eguzogide, ma tinye primer n'elu igwe.

Silicone mgbali-sensitive adhesives (PSA) maka PTFE elu-okpomọkụ teepu dịgasị iche iche na elu okpomọkụ arụmọrụ ịka nká. Methylphenyl silicone PSA na-ejigide ike peel> 85% mgbe ụbọchị 250 Celsius gachara, ebe ụdị methyl na-agbada ruo 50-70%. Usoro mgbakwunye-agwọ (hydrosilylation) na-enye nkwụsi ike ka mma karịa peroxide-gwọrọ. Maka ọrụ 200°C+ na-aga n'ihu, họrọ akara ule phenyl dị elu gwọrọ agbakwunyere.

Teepu PTFE na-enwe mmetụta na-ekpo ọkụ (PSA) ga-emerịrị ikpo ọkụ mgbe ọ na-arapara n'ahụ. Ịtinye ihe ndị na-eju mmiri na-eme ka ọkụ eletrik dịkwuo mma mana ọ na-emerụ ahụ nrapanye. Ntụziaka kacha mma na-eji irighiri ihe dị okirikiri (dị ka skeleton na-eduzi) agwakọta ya na ezigbo irighiri ihe (iji mejupụta oghere), na-edobe mkpokọta ihe nkpuchi dị n'elu ọnụ ụzọ pecolation. Zere flakes na eriri; ha na-egbu tack.

PTFE elu-okpomọkụ teepu na-eje ozi na PV ụlọ ọrụ na abụọ dị iche iche ọrụ: usoro consumable (na-egbochi EVA overflow adhesion on laminators, solder mask) na ogologo ndụ mkpuchi (busbar kechie, junction igbe fixation). Maka ojiji nke ime ụlọ na-adịgide adịgide, teepu ga-agafe IEC 61215: 1000-2000h okpomọkụ, UV, thermal cycling (-40°C ka +85°C), na silicone PSA na shrinkage <1%.

PTFE elu-okpomọkụ teepu etinye aka okpomọkụ-akara mma na akara ibe na-anapụta anọ isi ụkpụrụ: egbochi mgbaze plastic adhesion (na-ewepụ downtime), na-echebe ọnụ akara ọnwụ, homogenizes okpomọkụ / nrụgide maka na-agbanwe agbanwe akara, na-ebelata film esemokwu. A na-atụ aro teepu nkwado fiberglass (0.13-0.25 mm) nwere PSA silicone (≥260°C). teepu ojii mgbochi static maka ahịrị ọsọ dị elu.

A na-ekpebi ihe mgbochi mmiri vapor mgbochi nke teepu nrapado PTFE bụ isi site na ntụpọ mkpuchi (micropores, microcracks, fiber wicking) karịa PTFE's intrinsic hydrophobicity. Ihe nkiri PTFE dị ọcha na-enye naanị WVTR ọkara. Multi-layer mkpuchi na lamellar fillers (mica, glass flakes) na-emepụta mmetụta labyrinth, na-ebelata nke ukwuu nnyefe vepo. Maka mkpuchi dị elu iru mmiri, kọwaa mkpuchi densified.

Nguzogide nke PTFE elu-okpomọkụ ntanye teepu n'okpuru ogologo oge na-adịgide adịgide ibu (karịsịa na 200-260 ° C) kpebisiri ike site na ihe abụọ: silicone PSA crosslink density (higher crosslinking egbochi eruba) na mkpụrụ ụdị (fiberglass-ike PTFE eguzogide oyi creep; dị ọcha PTFE film cree). Ihe nrapado enweghị njikọ na-ada ngwa ngwa na oke okpomọkụ. Ngwunye nrapado kariri na-abawanye ihe egwu na-akpụ akpụ.

N'ihi na PTFE elu-okpomọkụ teepu n'okpuru ogologo oge imikpu, na PTFE mkpụrụ na-anọgide kemịkal inert, ma nrapado oyi akwa bụ adịghị ike ebe. Mmiri na-ebelata PSA silicone; mmiri nnu na-eme ka corrosion dịkwuo elu. Maka kemịkalụ ike ike, fluorosilicone ma ọ bụ perfluoropolyether adhesives - ma ọ bụ teepu PTFE na-enweghị nrapado - achọrọ. Ike bepụ ruo 40% mgbe awa 48 gachara n'ime mmiri.

PTFE teepu okpomọkụ dị elu na-achọ nchekwa kwesịrị ekwesị iji nọgide na-enwe nrapado, mgbanwe, na ntọhapụ ya. Ihe ndị dị mkpa a chọrọ gụnyere njikwa okpomọkụ (10-30°C), iru mmiri n'okpuru 60%, ịzere ọkụ, ikewapụ kemịkalụ, ntinye kwụ ọtọ, na ikuku ikuku. Soro njikwa ngwa ahịa FIFO wee nyochaa oge niile.

Okpomọkụ mgbanwe iko (Tg) nke silicone pressure-sensive nrapado dị gburugburu -120°C – dị nnọọ ala karịa acrylic adhesives. Nke a dị ala Tg na-eme ka teepu PTFE dị elu na-agbanwe ma na-adịgide adịgide ọbụna na -70 Celsius C, na-egbochi mgbawa na-egbuke egbuke ma na-eme ka adhesion a pụrụ ịdabere na ya na ngwa cryogenic.