Kodi PTFE ndi Glass Fiber Bond Popanda Delamination Popanda Chemical Bond?

Jiangsu Aokai New Materials, wopanga nsalu zotentha kwambiri za PTFE, akufotokoza kuti:

Polytetrafluoroethylene (PTFE) ndi galasi fiber (makamaka yopangidwa ndi silika) sangathe kupanga zomangira za mankhwala. PTFE ili ndi mphamvu yotsika kwambiri (pafupifupi 18 mN/m), yotchedwa 'zopaka zopanda ndodo', pomwe ulusi wagalasi ndi hydrophilic polar inorganic material. Awiriwa mwachibadwa sagwirizana.

Ku Aokai, timayika nsalu zamagalasi ndi emulsion ya PTFE, makamaka kudzera m'njira zotsatirazi:Ngakhale kuti PTFE yokha ndiyovuta kulumikiza, cholumikizira (monga silane) chingagwiritsidwe ntchito pomanga mlatho pamtunda wa galasi. Mfundo yake ndi: Glass fiber pamwamba ndi yokutidwa ndi silane coupling agent. Mapeto amodzi a silane (gulu la alkoxy) amakumana ndi condensation ndi magulu a silanol (Si-OH) pa galasi la galasi kuti apange mgwirizano wa mankhwala; mapeto ena (monga gulu la amino, gulu la epoxy) limagwira ntchito.

Ngati PTFE palokha sichinachiritsidwe, mapeto ogwiritsira ntchito ogwirizanitsa sangathe kugwirizana ndi PTFE, kotero chithandizo chapamwamba chimafunika. Mchitidwe wamba ndikuwonjezera ma coupling agents ndi ma polima omangira (monga PFA, FEP - perfluoroalkoxy resin kapena tetrafluoroethylene-hexafluoropropylene copolymer, omwe ndi fluoroplastics osungunuka) mu PTFE emulsion.

Transition layer : Perfluoroalkoxy resin kapena tetrafluoroethylene-hexafluoropropylene copolymer imagwiritsidwa ntchito ngati gawo lapakati. Ma fluoroplastics awa ali ndi mankhwala abwino ogwirizana ndi PTFE, amatha kusungunuka ndi kuyenda pa kutentha kochepa, kumangiriza magalasi opangidwa ndi silane ndi PTFE yochuluka, kupanga mawonekedwe a gradient, ndi kuthetsa kusintha kwa maganizo.

Kulumikizana pakati pa PTFE ndi magalasi opangira magalasi ndikophatikizana kwamakina olumikizirana + kupanikizika + kusinthasintha kwa gradient..

Zambiri pamwambapa zimaperekedwa ndi Jiangsu Aokai New Materials Technology Co., Ltd.

Kuti mudziwe zambiri, zochitika zamagwiritsidwe ntchito ndi mayankho makonda azinthu zathu zonse - kuphatikiza nsalu yotentha kwambiri ya PTFE, tepi ya PTFE yotentha kwambiri, lamba wotentha kwambiri wa PTFE, lamba wopanda waya wamakina omangira, nsalu imodzi ya PTFE, lamba wotentha kwambiri wosamva kutentha, lamba wosamva kutentha kwambiri ndi zinthu zina, chonde osamva magalasi - chonde osamva magalasi.

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