Fiberglass nsalu matenthedwe shrinkage ndiye chifukwa chachikulu cha PTFE tepi dimensional kusakhazikika. Pa kutentha kwa PTFE sintering (360-400 ° C), kupsinjika kotsalira koluka kumatulutsidwa. Ngati sichiletsa, nsalu imachepa; Ngati atalephereka, kupsinjika kobisika kumatsekeredwa, kumapangitsa kuchepa pang'onopang'ono pakuchiritsa zomatira (150-200 ° C) ndikutentha komaliza. Yankho: gwiritsani ntchito magalasi a fiberglass asanayambe kutentha ndi <0.5% shrinkage pa 400 ° C, kuchotsa kupsinjika kotsalira musanayambe kupaka.

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.

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.

PTFE pamwamba mankhwala kwa kugwirizana adhesion amagwiritsa ntchito njira zikuluzikulu ziwiri: mkulu-kutentha kusungunuka (apamwamba nyengo kukana, 9.5 MPa mphamvu ndi coupling wothandizila, koma kutulutsa mpweya poizoni) ndi sodium-naphthalene etching (5 MPa mwamsanga adhesion, yopapatiza 24-48 ora zenera, zinyalala zoopsa). Sankhani potengera kuwongolera chilengedwe komanso nthawi yayitali vs.

Kuyesa PTFE emulsion khalidwe kumafuna zizindikiro zisanu ndi chimodzi zofunika: okhutira olimba (60 ± 2% pa T/FSI 067-2021), pH (9.0-11.0), tinthu kukula kugawa (laser diffraction/DLS), mamasukidwe akayendedwe (12-30 mPa · s pa 25 ° C), bata (centrifugal, freeze-thaw, mawonekedwe). Bukhuli limafotokoza njira zoyeserera zoyeserera pagawo lililonse.

Kuyika PTFE kutentha tepi mwamphamvu pa yokhotakhota ndi kusakhazikika pamalo popanda thovu ndi m'mphepete warping, ndi muyezo ntchito ndondomeko n'kofunika, kuphatikizapo bwinobwino gawo lapansi pretreatment, luso ntchito akatswiri ndi miyeso yoyenera wothandiza. Pakati pawo, kuwongolera kwa gawo lapansi ndiye gawo lofunikira kwambiri, lomwe limatsimikizira pafupifupi 70% ya zotsatira zomaliza zomata.

Potengera zomwe zikuchulukirachulukira malamulo achilengedwe, PFOS/PFOA-free PTFE emulsion ndi chinthu chomwe chasinthidwa kuti chilowe m'malo mwachikhalidwe cha PFOA chokhala ndi polymerization. Imasunga zofunikira za PTFE pomwe imathandizira kwambiri chilengedwe komanso chitetezo chaumoyo.

The matenthedwe kukulitsa coefficient ya PTFE mkulu kutentha nsalu si mtengo wokhazikika. Imakhalabe yotsika kwambiri kutentha kwa 100 ° C (pafupifupi 0.5×10⁻⁵/°C), komabe imakwera kwambiri pansi pa kutentha kwakukulu.

Monga katswiri wopanga nsalu za PTFE zotentha kwambiri, Jiangsu Aokai New Materials amagawana njira zopalira. Kuti mupewe ma burrs, delamination ndi kupatuka kwapang'onopang'ono pakudula, ndikofunikira kuwongolera mwadongosolo zinthu zinayi zofunika: zida zodulira, zida, zida ndi zida.

Monga opanga oyambirira a PTFE matepi otentha kwambiri, Jiangsu Aokai New Materials apa akulongosola zotsatira za njira zoziziritsira ndi kuziziritsa pakuchita kwa matepi ochiritsidwa a PTFE. Makhalidwe a PTFE Crystallization Makhalidwe ndi Kuzizira kwa Rate RegulationThe PTFE su