Isiokwu a na-ekpuchi isi arụmọrụ egosi maka PTFE elu-okpomọkụ teepu eji na agụụ mkpuchi, agụụ okpomọkụ ọgwụgwọ na yiri gburugburu. Isi ihe achọrọ dị iche na iji ikuku eme ihe: mwepu ikuku dị oke egwu (TML≤1%, CVCM≤0.1%; akara elu ikuku/ọcha anya chọrọ TML≤0.5%, CVCM≤0.01%); A ghaghị ịnwapụta nguzogide okpomọkụ maka ma PTFE substrate (260 ° C) na nrapado oyi akwa; A na-achọ PSA silicone dị ala nke dị ọcha nke ọma iji gbochie mmetọ siloxane; oke okpomọkụ na-ejide ike na-egbochi mkpụgharị na ntu ọnụ; ịdị ọcha achọghị ịwụfu eriri na ọdịnaya ionic dị ala; teepu mgbochi static (nguzogide elu 10⁶-10⁹ Ω/sq) na-egbochi mmebi ESD; A ghaghị nyochaa nguzogide plasma maka usoro sputtering / PECVD; Thermal shrinkage n'okpuru 2% na-ahụ na masking nkenke.

Isiokwu a na-atụnyere ọnụ ụlọ-okpomọkụ na elu-okpomọkụ maturation nke silicone mgbali-sensive nrapado maka PTFE teepu. Okpomọkụ dị elu (120-180ºC) na-emepụta netwọk nwere njikọ chiri anya nwere ike ịdị n'otu siri ike, na-egbochi ihe fọdụrụ na nrapado mgbe ọ gachara. Ọ na-etolite agbụ kemịkalụ na PTFE substrates site na ijikọ primer, na-ewepụ ihe egwu delamination. Okpomọkụ dị elu na-ewepụkwa ihe na-adịghị ala ala tupu nnyefe, na-egbochi mmetọ mmanụ na silicone n'oge okpomọkụ mbụ.

Ntuziaka a na-ekpuchi nhọrọ teepu okpomọkụ dị elu nke PTFE maka ịkpụzi injection na ngwa mgbochi osisi. Nhọrọ dabere na ọnọdụ okpomọkụ: ≤260 ° C maka plastik izugbe (ọkọlọtọ silicone PSA teepu, 0.13-0.18mm); 260-300 ° C maka plastik injinia dị elu dị ka PC, PA66, POM (ihe mkpuchi silicone dị elu, 0.18-0.25mm); 300-400°C maka PEEK, LCP, PPS nso ndị na-agba ọsọ na-ekpo ọkụ (teepu nrapado ada ada; jiri akwa PTFE na-enweghị nrapado ma ọ bụ ihe nkiri PFA). Nhọrọ dabere na ihe onwunwe: ihe ndị na-adịghị mma chọrọ ntọhapụ elu PTFE dị ọcha; Ihe mejupụtara iko / mineral chọrọ nnukwu ọrụ 0.25mm + teepu na-eguzogide iyi; ihe mgbakwunye na-emebi emebi na-achọ nrapado na nnukwu mkpụrụ na-eguzogide ọgwụ; Ngwa static-sensitive chọrọ teepu PTFE ojii mgbochi static.

A na-eji akwa fiberglass kpuchie PTFE n'ọtụtụ ebe na nhazi rọba maka nguzogide okpomọkụ ya, ihe na-adịghị mma, na obere esemokwu. Ngwa ndị dị mkpa gụnyere: ihe ntọhapụ maka efere efere/vacuum vulcanization na ịkpụzi taya; eriri ebufe na-abụghị osisi maka igwe igwe mepere emepe, kalenda, na ahịrị jụrụ oyi; akwa interleave maka nchekwa rọba nke emechara ọkara; njikwa pụrụ iche nke silicone na fluororubber; na oven trays maka post-agwọ. Uru na-agụnye iwepụ nrapanye ebu, ibelata ojiji ihe ntọhapụ, igbochi mkpuchi rola, na ịgba mbọ hụ na ọ na-agbawa nke ọma.

PTFE teepu maka ọkpọkọ kemịkalụ / arịa mgbochi corrosion, na-abụghị osisi, na mkpuchi mkpuchi chọrọ ihe dabara adaba, usoro nrapado, na mgbasa ozi kemịkalụ. A na-atụ aro silicone PSA maka 200-260 Celsius C na acid / alkalis; acrylic PSA na-eguzogide ihe mgbaze organic mana na-amachi okpomọkụ ka ọ bụrụ ≤150°C. Maka HF, esi> 80% alkali, ma ọ bụ chlorine trifluoride, jiri naanị PTFE lining (enweghị ihe nrapado organic). Mkpa: nrapado bụ njikọ kachasị ike, ọ bụghị PTFE n'onwe ya.

A na-emeziwanye ike teepu PTFE site na mkpuchi na nhazi usoro nhazi. mkpuchi: primer oyi akwa (0.5-2μm silane primer na-egbochi nrapado peeling), nrapado ọkpụrụkpụ 30-60μm (kacha mma maka ijide ike), agụụ defoaming, na 5-10μm filtration. Ngwọta: kpo oku stepwise (80-100 Celsius C mwepụ ihe mgbaze → 120-140 ° C na-akpụzi → 150-220C miri emi crosslinking), post-curing (40-60 ° C maka 24-48h iji zuru ike na nchekasị), na obere-mkpasu iwe mbupụ iji gbochie esịtidem stress si substrate shrinkage. The primer dị mkpa maka PTFE dị ala ike.

PTFE elu-okpomọkụ teepu na-eje ozi dị ka a oké egwu ihe na semiconductor n'ichepụta, ọ bụghị a n'ozuzu-ebumnobi consumable. Ngwa ndị dị mkpa: nchekwa ọkwa wafer (plasma etching masking, CMP backside protection, CVD/PVD masking), usoro nkwakọ ngwaahịa (njikwa waya, ihe mkpuchi maka PCBs), na ndozi akụrụngwa (ihe mkpuchi mgbochi static, akara ụlọ ọcha). Ihe ndị dị ọcha chọrọ: halogens dị ala (na-egbochi corrosion pad bond), siloxanes dị ala (<500 ppm, na-egbochi imepụta ihe mgbochi), ion metal dị ala (<1 ppm ọ bụla), ISO Class 4 cleanroom slitting/ packaging, 10⁶-10⁹ Ω resistivity elu, na obere ikuku TVOC.

Teepu okpomọkụ dị elu PTFE na-ejikọta mkpụrụ PTFE bioc dakọtara na nrapado silicone gwọrọ platinum. Ihe ndị dị mkpa: ISO 10993 kwekọrọ (enweghị cytotoxicity, mmetụta ma ọ bụ mgbakasị ahụ), na-eguzogide ọgwụ mgbochi ugboro ugboro (steam/EO/gamma), 260°C na-eguzogide okpomọkụ. Mkpachapụ anya dị oke mkpa: agabigala 260°C (uzu ọkụ na-egbu egbu karịa 300°C), irradiation gamma nwere ike ịkpata mgbakasị ahụ, kwado ụzọ ịgba ọgwụ mgbochi ọrịa, wee rịọ akwụkwọ nnabata zuru oke (akụkọ ISO 10993, MSDS, data ịka nká). Ọ bụghị maka ọbara ozugbo ma ọ bụ itinye ihe ọkụkụ, ọ gwụla ma akwadoro ya.

PTFE teepu reusability na-adabere na ihe anọ: nrapado usoro (elu crosslink njupụta, ala silicone Mbugharị, microphase Ọdịdị maka repositionable tack), mkpụrụ anchoring (n'elu activation + primer iji gbochie zuru nrapado nyefe), backside mkpuchi (wepụta oyi akwa iji chebe nrapado n'oge unwinding), na kwesịrị ekwesị njikwa (na-ehicha ihe nrapagidere n'elu, na-ezere nrapagidere elu). Adhesives agbanweela nke mmiri na-asachapụ nwere ike nwetaghachi> 90% tack mgbe ihichachara.

Teepu PTFE dị obosara-okpomọkụ chọrọ PSA silicone nke na-ejigide adhesion site na -70°C ruo 260°C. Isi ihe imewe: primer-anchored Layer Layer (na-egbochi delamination), microstructure nke oke osimiri (MQ resin Islands + polysiloxane na-aga n'ihu na-aga n'ihu), gradient crosslinking (oke njupụta dị n'ime ime maka nguzogide creep, obere njupụta elu elu maka obere okpomọkụ tack), na okpomọkụ-nkwụsi ike fillers (cerium oxide maka oxide). Akụkụ siloxane emezigharịrị Phenyl na-egbochi kristal dị ala, na-eme mgbanwe n'okpuru -100°C.