Anti-static PTFE nsalu zimatheka kudzera njira ziwiri zazikulu: ❖ kuyanika doping (kusakaniza conductive fillers ngati mpweya wakuda mu PTFE emulsion, kupanga percolation network pa ndende yovuta) ndi gawo lapansi kuluka (embedding ulusi conductive mu fiberglass nsalu). Kulimbana kwapamwamba kumayendetsedwa pa 10⁵–10⁹ Ω. Mfundo: pangani njira yoyendetsera yomwe imatulutsa ma static charges nthawi yomweyo, kupewa kudzikundikira kowopsa. Kuyika pansi ndikofunikira kuti ntchito igwire bwino.

Thickeners mu PTFE emulsion amagwira ntchito zinayi zofunika kwambiri: kuyimitsidwa kukhazikika (kuletsa kukhazikika kwa wandiweyani PTFE particles), kumeta ubweya-kupatulira khalidwe (mkulu mamasukidwe akayendedwe pa mpumulo, otsika pansi mukubwadamuka kuti ❖ kuyanika kosavuta), kulamulira kuzama kolowera (amayendetsa kutsitsa kwa utomoni pa nsalu ya fiberglass), ndi kufanana kwa filimu (kuletsa kusweka pamene kuyanika). Chofunikira chofunikira: zokhuthala ziyenera kuwola kwathunthu pa kutentha kwa ~ 380 ° C, kusiya zotsalira za phulusa kuti zisunge zoyera komanso zotsekera magetsi.

Nsalu yotentha kwambiri ya PTFE (PTFE-yokutidwa ndi fiberglass) imapereka kukana kwamankhwala kwapadera, kupirira ma acid (kuphatikiza aqua regia), alkali amphamvu (kutentha kwachipinda), zosungunulira organic, ndi ma oxidizing agents. Kupatulapo: zitsulo zosungunuka za alkali ndi ma halogen otenthetsera kwambiri amaukira PTFE. Kuwonongeka kwa zokutira kumawonetsa magalasi a fiberglass ku hydrofluoric acid ndi ma alkali otentha kwambiri. Kutentha pamwamba pa 260 ° C kumachepetsa kukana. Pazinthu zambiri zama mankhwala, nsalu ya PTFE imakhalabe yokhazikika komanso yodalirika.

Tepi ya PTFE yotalikirana ndi kutentha imafunikira silikoni PSA yomwe imasunga zomatira kuchokera -70°C mpaka 260°C. Zinthu zazikuluzikulu za mapangidwe: kusanjikiza koyambira koyambira (kuteteza kutsetsereka), kusanjikizana kwa zilumba za m'nyanja (MQ resin Islands + polysiloxane continuous phase), gradient crosslinking (kuchuluka kwamkati kwamkati kwa kukana kukwawa, kusanjikizana kwakunja kwa kutentha kochepa), ndi zodzaza ndi kutentha kwa oxidation (cerium resistance). Magawo a phenyl-modified siloxane amapondereza kutentha kwa crystallization, zomwe zimathandiza kusinthasintha pansipa -100 ° C.

Aokai PTFE adawonetsa mndandanda wake wonse wazinthu ku APFE Shanghai 2026 (Booth 6T602, Hall 6). Zogulitsa zomwe zili ndi fiberglass zolimbitsa thupi za PTFE, mafilimu oyera a PTFE, magiredi odana ndi malo amodzi, ndi malamba onyamula kutentha kwambiri - kuphimba kukonza chakudya, PV lamination, mabatire a lithiamu, zamagetsi, ndi ma CD. Chiwonetserochi chikudutsa pa June 26. Zogulitsa zonse zimathandizira ndondomeko yachizolowezi.

Nsalu zotentha kwambiri za PTFE zimakhala ndi magalasi apamwamba kwambiri a fiberglass ndi PTFE zokutira. Ntchito zazikuluzikulu zotumizira mafakitale (kuphika chakudya, kuyanika nsalu, zoyendera za PCB), chitetezo chowotcherera (zophimba zotchingira kutentha, zishango za spatter), kugwetsa ndi kupanga atolankhani otentha (kuumba mphira, PV lamination), kutchinjiriza magetsi (motor slot liners, zokutira zingwe), zomanga (madenga apabwalo, 30 + corrosion yazaka), mlengalenga (mabulangete otentha), ndi ntchito zapadera (kudula laser, kusindikiza kwa 3D).

Kuyanika ndi gawo lofunika kwambiri pakupanga nsalu za PTFE zotentha kwambiri. Zowonongeka zodziwika bwino ndi izi: kung'amba (kuyanika mwachangu, kupukuta khungu), kusuntha (tinthu tating'onoting'ono tating'onoting'ono), mapini / matuza (mpweya wotsekeka kapena nthunzi), mawanga oyera ndi choko (kusuntha kwa surfactant kapena kusakanizika kosakwanira), chikasu / kuphika (kutenthedwa kwa zowonjezera), delamination (kutsika kwapang'onopang'ono) shrinkage), pamwamba youma koma mkati monyowa (kukopa misampha chinyezi), ndi m'mbali zokhuthala (khofi-ring effect). Zothetserazo zimaphatikizapo mbiri yowumitsa bwino, mpweya wabwino, ndi kusamalidwa bwino kwa gawo lapansi.

Chodulidwa kumapeto kwa nkhope ya PTFE tepi yotentha kwambiri imakhudza kwambiri zomatira ndikukweza m'mphepete panthawi yogwiritsira ntchito. Kung'ambika kosawoneka bwino (masamba osawoneka bwino, ngodya zosayenera) kumapanga ulusi wa guluu, kufewetsa zomatira m'mphepete, ndikuwonetsa magalasi a fiberglass - zomwe zimatsogolera kutulutsa, kulumikizana kofooka, ndikutukuka pakutentha kapena kupsinjika. Nkhope zosawoneka bwino (zopindikira, zotuluka) zimayambitsa kugawanikana kosagwirizana, kuyendetsa zomatira kukwawa panthawi yosungira. Nkhope yabwino yomalizira ndi yosalala, yonyezimira, komanso yopanda kuwonongeka - imagwira ntchito ngati chisindikizo chomwe chimatseka zomatira ndikuonetsetsa kuti pali mgwirizano wonse.

PTFE emulsion impregnation wa fiberglass nsalu amafuna othandizira osiyanasiyana kukwaniritsa ❖ kuyanika yunifolomu, adhesion amphamvu, ndi malo opanda chilema. Zowonjezera zazikulu ndizo: zonyowetsa (kuchepetsa kupsinjika kwa pamwamba, kupititsa patsogolo kulowa), thickeners (kuwongolera kukhuthala ndi kulemera kwa zokutira), zowongolera pH (kukhazikika emulsion pa pH 9-10), ma silane coupling agents (owonjezera kumamatira kugalasi), zida zopangira mafilimu (PFA/FEP ya sintering), zodzaza ntchito (zoletsa kubisala), zoletsa kubisala (kuchedwetsa kuyanika). Kusankhidwa kumatengera gawo lapansi komanso zofunikira pakuchita.

Pa PTFE tepi ❖ kuyanika, zosungunulira volatilization mlingo wa silikoni kuthamanga tcheru zomatira ndi yofunika ndondomeko chizindikiro. Kuthamanga kwambiri → kusenda pamwamba, kusayenda bwino, zibowo (zosungunulira zotsekeredwa), ndi ma craters (kuundana kapena kupangitsidwa ndi zoyipa). Kuchedwetsa kwambiri → kugwa, m'mbali zokhuthala, ndikunyowetsa pa PTFE yamphamvu yotsika. Njira yoyenera: kusinthasintha koyambirira kwapang'onopang'ono pakuwongolera ndi kuthawa kwa thovu, kenako kufulumizitsa kuyanika kuti mupange mawonekedwe. Gwiritsani ntchito zosungunulira zosakanizika (toluene/xylene + kuyanika mwachangu) ndi kutentha kwa uvuni wa gradient (otsika → sing’anga →pamwamba).