PTFE teepu okpomọkụ dị elu echekwara n'ụdị mpịakọta nwere ike ịta ahụhụ site na nchikota interlayer (igbochi) na nnyefe nrapado n'akụkụ na-adịghị mma. Mgbọrọgwụ na-akpata: PTFE film na-agbanwe ebe nchekwa na silicone PSA creep n'okpuru nrụgide na okpomọkụ. Ngwọta: mgbakasị ikuku gradient – ​​siri ike n'ígwé dị n'elu, kwụpụ n'ígwé dị n'ime - na-eji njikwa esemokwu mechiri emechi. Mmeju na mkpuchi ntọhapụ, nchekwa kwesịrị ekwesị (15-40°C, 30-70% RH), ntinye kwụ ọtọ, na ntụgharị mpịakọta nkeji nkeji.

Teepu dị elu nke PTFE ejiri na kọntaktị nri kwesịrị ịkwanyere oke oke okpomọkụ: ≤260°C maka ojiji na-aga n'ihu (enweghị oke oge), 260-300°C maka ihe ruru nkeji 30 naanị, yana> 300°C amachibidoro. Teepu bụ maka kọntaktị na-apụtaghị ìhè naanị (akara tray, mkpuchi mkpuchi okpomọkụ), ọ bụghị ihe mkpuchi nri. Arụla ọrụ na-enweghị ibu nri (ọkụ akọrọ). Dochie ma ọ bụrụ na ọnya, odo, ma ọ bụ eyi.

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 250C/7 gasịrị, ebe ụdị methyl ọkọlọtọ na-agbada na 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 na-akwado 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 (high 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.

Maka teepu okpomọkụ dị elu nke PTFE ejiri na ngwa esemokwu sliding abrasive, ọkọlọtọ enweghị osisi na nguzogide okpomọkụ ezughi oke. Isi nhọrọ nhọrọ: mfu abrasion Taber (<15 mg / 1000 cycles), jupụtara PTFE mkpuchi (carbon/graphite/MoS₂), PV njedebe data, ike mkpụrụ (≥200 N / cm), na mating elu roughness (Ra 0.2-0.4 μm). Nchekwa ọnụ nke ọma na njikọ zuru oke dị oke mkpa maka ogologo ndụ.

Ngwa PTFE bụ ihe na-eme ka nnu na-eguzogide ọgwụ (mmiri mmiri <0.01%). Otú ọ dị, n'ozuzu teepu arụmọrụ na-adabere na nrapado ụdị: silicone PSA na-eguzogide mmiri gburugburu (500-1000h nnu ịgba ule,>80% bee njide); acrylic PSA ada ada. Ngwọta elu dị mma, ngwa na-enweghị afụ, na iji silicone sealant mechie ihu dị oke mkpa maka ntụkwasị obi ogologo oge na nyiwe na ụgbọ mmiri dị n'ụsọ mmiri.