Ilaphu le-Fiberglass ukucutheka kwe-thermal ngoyena nobangela wokungazinzi kwetape ye-PTFE. Kubushushu be-PTFE sintering (360-400 ° C), uxinzelelo lokulukwa olushiyekileyo luyakhululwa. Ukuba ayinqandwa, ilaphu liyancipha; ukuba unqandekile, uxinzelelo olufihliweyo luvalelwe, lubangela ukuncipha kamva ngexesha lokunyathela (150-200 ° C) kunye nokushisa kokuphela kokusetyenziswa. Isisombululo: sebenzisa i-fiberglass esele ifakwe ngaphambili kunye ne-<0.5% shrinkage kwi-400 ° C, ukuphelisa uxinzelelo olushiyekileyo ngaphambi kokugubungela.

I-Thickeners kwi-emulsion ye-PTFE ikhonza imisebenzi emine ebalulekileyo: ukumiswa kokumiswa (ukuthintela ukuhlaliswa kwamasuntswana ashinyeneyo e-PTFE), ukuziphatha kwe-shear-thinning (i-viscosity ephezulu ekuphumleni, ephantsi phantsi kokuphazamiseka ukuze kube lula ukugquma), ukulawula ubunzulu bokungena (ulawula ukulayishwa kwe-resin kwilaphu le-fiberglass), kunye nokufana kwefilimu (ukuthintela ukuqhekeka ngexesha lokumisa). Imfuneko ebaluleke kakhulu: i-thickeners kufuneka ibole ngokupheleleyo kwi- ~ 380 ° C iqondo lobushushu le-sintering, ishiya intsalela yothuthu oluyi-zero ukugcina ukucoceka kombane kunye nokugquma kombane.

I-Aokai PTFE yaqala imveliso yayo epheleleyo kwi-APFE Shanghai 2026 (Booth 6T602, Hall 6). Iimveliso ezifakiweyo ziquka iiteyiphu ze-PTFE ze-fiberglass, iifilimu ezicocekileyo ze-PTFE, amabakala achasene ne-static, kunye namabhanti okuhambisa obushushu obuphezulu - ukugubungela ukulungiswa kokutya, i-PV lamination, iibhetri ze-lithium, i-electronics, kunye nokupakishwa. Lo mboniso uqhuba ngoJuni 26. Zonke iimveliso zixhasa ukucaciswa kwesiko.

Unyango lomphezulu we-PTFE wokudibanisa ukunamathela usebenzisa iindlela ezimbini eziphambili: ukunyibilika kobushushu obuphezulu (ukumelana nemozulu ephezulu, amandla angama-9.5 MPa kunye ne-agent edibeneyo, kodwa ikhupha iigesi ezinetyhefu) kunye ne-sodium-naphthalene etching (i-5 MPa yokubambelela ngokukhawuleza, ifestile yeyure ye-24-48 encinci, inkunkuma eyingozi). Khetha ngokusekelwe kulawulo lokusingqongileyo kunye nexesha elide vs. ukusebenza kwexesha elifutshane.

Ukuvavanya umgangatho we-emulsion we-PTFE ubandakanya izibonakaliso ezintandathu eziphambili: umxholo oqinileyo (60±2% nge-T / FSI 067-2021), i-pH (9.0-11.0), ukusabalalisa ubungakanani besuntswana (i-laser diffraction/DLS), i-viscosity (12-30 mPa·s kwi-25 ° C), ukuzinza (i-centrifugal kunye nokubonakala kwe-thaw, i-freeze-thaw). Esi sikhokelo sibandakanya iindlela zovavanyo eziqhelekileyo kwipharamitha nganye.

Ukufakela iteyiphu yobushushu obuphezulu be-PTFE ngokuqinileyo kwimiphezulu egobileyo nengaqhelekanga ngaphandle kwamaqamu kunye ne-edge warping, inkqubo yokusebenza esemgangathweni ibalulekile, kubandakanywa ukunyangwa ngokucokisekileyo kwe-substrate, izakhono zobuchule bokusebenza kunye namanyathelo ancedisayo afanelekileyo. Phakathi kwabo, i-substrate pretreatment lelona nyathelo libaluleke kakhulu, elimisela malunga ne-70% yesiphumo sokuncamathela sokugqibela.

Ngokuchasene nemvelaphi yemithetho engqongqo yokusingqongileyo, i-PFOS/PFOA-free PTFE emulsion yimveliso ephuculweyo ephuhliswe endaweni yeenkqubo ze-PFOA eziqulathe iipolymerization. Igcina iimpawu ezingundoqo ze-PTFE ngelixa iphucula kakhulu ubuhlobo bendalo kunye nokhuseleko lwezempilo.

I-coefficient yokwandisa i-thermal ye-PTFE yelaphu lobushushu obuphezulu ayiloxabiso elimiselweyo. Ihlala iphantsi kwinqanaba lokushisa ukuya kwi-100 ° C (malunga ne-0.5 × 10⁻⁵ / ° C), kodwa iphakama ngokukhawuleza phantsi kweemeko eziphezulu zokushisa.

Njengomvelisi oqeqeshiweyo we-PTFE ilaphu lobushushu obuphezulu, i-Jiangsu Aokai New Materials yabelana ngobuchule bokukrolwa okungundoqo. Ukunqanda i-burrs, i-delamination kunye nokutenxa komda ngexesha lokunqunyulwa, kubalulekile ukulawula ngokucwangcisiweyo izinto ezine eziphambili: izixhobo zokusika, izixhobo, imathiriyeli ekrwada.

Njengomvelisi wokuqala we-PTFE iiteyiphu zobushushu obuphezulu, i-Jiangsu Aokai New Materials apha ichaza iimpembelelo zeendlela zokupholisa kunye namazinga okupholisa ekusebenzeni kwe-PTFE ephilisiwe iteyiphu zobushushu obuphezulu.I. Undoqo we-PTFE Crystallization Iimpawu kunye noLawulo lweRayithi lokuPholisaI-PTFE su