Teepu PTFE fun paipu kemikali / ohun elo anti-corrosion, ti kii-stick, ati aabo idabobo nilo sobusitireti ti o baamu, eto alemora, ati media kemikali. Silikoni PSA ni a ṣe iṣeduro fun 200-260 ° C pẹlu acids / alkalis; PSA akiriliki tako awọn nkan ti ara ẹni ṣugbọn o fi opin si iwọn otutu si ≤150°C. Fun HF, farabale> 80% alkali, tabi chlorine trifluoride, lo awọ PTFE-nikan (ko si alemora Organic). Lominu ni: alemora jẹ ọna asopọ alailagbara, kii ṣe PTFE funrararẹ.

Agbara idaduro teepu PTFE ti ni ilọsiwaju nipasẹ ibora ati iṣapeye ilana imularada. Aso: alakoko Layer (0.5-2μm silane alakoko idilọwọ alemora peeling), alemora sisanra 30-60μm (ti aipe fun dani agbara), igbale defoaming, ati 5-10μm ase. Itọju: alapapo stepwise (80-100 ° C yiyọ iyọkuro → 120-140 ° C murasilẹ → 150-220C jin crosslinking), post-curing (40-60 ° C fun 24-48h lati sinmi wahala), ati gbigbe ẹdọfu kekere lati ṣe idiwọ wahala inu lati idinku sobusitireti. Alakoko jẹ pataki fun agbara dada kekere ti PTFE.

Teepu iwọn otutu giga PTFE n ṣiṣẹ bi ohun elo to ṣe pataki ni iṣelọpọ semikondokito, kii ṣe ohun elo gbogboogbo-idi. Awọn ohun elo bọtini: Idaabobo ipele-wafer (pilasima etching masking, CMP backside Idaabobo, CVD/PVD masking), awọn ilana iṣakojọpọ (imuduro asopọ okun waya, boju-boju tita fun awọn PCBs), ati itọju ohun elo (fidi rola anti-aimi, isamisi yara mimọ). Ultra-mimọ awọn ibeere: kekere halogens (idinamọ mnu paadi ipata), kekere siloxanes (<500 ppm, idilọwọ insulating patiku Ibiyi), kekere irin ions (<1 ppm kọọkan), ISO Class 4 cleanroom slitting / apoti, 10⁶-10⁹ Ω dada resistivity, ati kekere TVOC itujade.

Teepu iwọn otutu giga PTFE ti iṣoogun daapọ sobusitireti PTFE bioc ibaramu pẹlu alemora silikoni ti a mu-iwosan Pilatnomu. Awọn ẹya pataki: ISO 10993 ibamu (ko si cytotoxicity, ifamọ, tabi irritation), duro sterilization leralera (steam/EO/gamma), 260°C ooru resistance. Awọn iṣọra to ṣe pataki: maṣe kọja 260°C (awọn eefin majele ti o ga ju 300°C), irradiation gamma le fa embrittlement, fọwọsi awọn ọna sterilization, ati beere awọn iwe ibamu ni kikun (awọn ijabọ ISO 10993, MSDS, data ti ogbo). Kii ṣe fun ẹjẹ taara tabi lilo gbingbin ayafi ti ifọwọsi ni pataki.

PTFE teepu reusability da lori mẹrin ifosiwewe: alemora siseto (giga crosslink iwuwo, kekere silikoni ijira, microphase be fun repositionable tack), sobusitireti anchoring (dada dada + alakoko lati se ni kikun alemora gbigbe), backside bo (itusilẹ Layer lati dabobo alemora nigba unwinding), ati ki o to dara mu (mimọ adhesive adhesive dada). Awọn alemora ti a ṣe atunṣe ti omi-fọ le gba pada> 90% tack lẹhin mimọ.

Fiberglass fabric gbona isunki ni akọkọ idi ti PTFE teepu aisedeede onisẹpo. Ni awọn iwọn otutu sintering PTFE (360-400°C), aapọn hihun to ku ti tu silẹ. Ti a ko ba ni ihamọ, aṣọ yoo dinku; ti o ba ni idaduro, aapọn wiwaba ti wa ni titiipa, nfa idinku nigbamii lakoko itọju alemora (150-200°C) ati alapapo lilo ipari. Solusan: lo fiberglass ti a ti ṣeto ṣaaju-ooru pẹlu <0.5% isunki ni 400 ° C, imukuro wahala to ku ṣaaju ki o to bo.

Teepu PTFE ni iwọn otutu jakejado nilo PSA silikoni ti o ṣetọju ifaramọ lati -70°C si 260°C. Awọn eroja apẹrẹ bọtini: Layer iyipada-anchored alakoko (idilọwọ delamination), microstructure okun-erekusu (MQ resini erekusu + polysiloxane lemọlemọfún alakoso), gradient crosslinking (ga-iwuwo akojọpọ Layer fun irako resistance, kekere-iwuwo lode Layer fun kekere-temp tack), ati ooru-imuduro fillers (cerium oxide resistance). Awọn abala siloxane ti a ti yipada Phenyl ṣe didi kirisita ni iwọn otutu kekere, n mu irọrun ṣiṣẹ ni isalẹ -100°C.

Aokai PTFE debuted awọn oniwe-kikun ọja tito ni APFE Shanghai 2026 (Booth 6T602, Hall 6). Awọn ọja ti a ṣe afihan pẹlu awọn teepu PTFE ti o ni okun fiberglass-fififidi, awọn fiimu PTFE mimọ, awọn gilaasi anti-static, ati awọn beliti gbigbe iwọn otutu - ibora sisẹ ounjẹ, lamination PV, awọn batiri litiumu, ẹrọ itanna, ati apoti. Awọn aranse gbalaye nipasẹ Okudu 26. Gbogbo awọn ọja atilẹyin aṣa ni pato.

Awọn ge opin oju be ti PTFE ga-otutu teepu taara ni ipa lori alemora oozing ati eti gbígbé nigba ohun elo. Pipin ti ko dara (awọn abẹfẹlẹ ṣigọgọ, igun ti ko tọ) ṣẹda awọn filamenti lẹ pọ, tẹẹrẹ tinrin ilẹ alemora eti, ati ṣafihan awọn burrs fiberglass - ti o yori si ṣiṣan, isunmọ alailagbara, ati gbigbe labẹ ooru tabi ẹdọfu. Awọn oju opin alaibamu (wavy, protruding) fa pinpin titẹ aiṣedeede, wiwakọ alemora ti nrakò lakoko ibi ipamọ. Oju ipari ti o dara julọ jẹ didan, danu, ati laisi ibajẹ - ṣiṣe bi edidi ti o tiipa alemora ati idaniloju ifaramọ eti ni kikun.

Lakoko ibora teepu PTFE, oṣuwọn iyipada epo ti alemora titẹ silikoni jẹ paramita ilana to ṣe pataki. O yara ju → awọ ara, ipele ti ko dara, awọn iho pinholes (ohun elo idẹkùn), ati awọn craters (condensation tabi contaminant-induced). O lọra pupọ → sagging, awọn egbegbe ti o nipọn, ati gbigbẹ lori PTFE-agbara-kekere. Ilana ti o dara julọ: iyipada ibẹrẹ ti o lọra fun ipele ati ona abayo ti nkuta, lẹhinna gbigbẹ isare fun apẹrẹ. Lo awọn olomi-ara ti a dapọ (toluene/xylene + gbigbe-yara) ati iwọn otutu adiro (kekere → alabọde → giga).