Asayansi aku China adapanga bwino filimu yowoneka bwino ya bionic

Science and Technology Daily News (Mtolankhani Wu Changfeng) Zinyalala zapulasitiki zawononga kwambiri chilengedwe komanso chiwopsezo chachikulu ku thanzi la anthu.Kupanga m'badwo watsopano wa zinthu zokhazikika za pulasitiki zayandikira.Mtolankhaniyo adaphunzira kuchokera ku yunivesite ya Science and Technology ya China kuti gulu la wophunzira pasukuluyi Yu Shuhong lachita bwino kupanga filimu yamphamvu kwambiri, yolimba kwambiri, komanso yowonekera bwino kwambiri yokhazikika ngati chipolopolo, ndikumanga bwino "njerwa- Fiber" ngati chipolopolo, Kanemayo amawonetsa zida zamakina kuposa mapulasitiki akale, ndipo amawonetsa zinthu zambiri kuposa makanema apulasitiki.Zotsatira zafukufuku zidasindikizidwa posachedwa pa "Zida".

Malinga ndi malipoti, filimuyi yowoneka bwino komanso yowoneka bwino kwambiri imapindula ndi chigoba cholimba ngati "njerwa-fiber".Ma pores mkati mwa filimuyo amadzazidwa kuti awonetsetse kuti kuwala kwapatsirana, ndipo chifunga chowoneka bwino chimatsimikiziridwa ndi kufalikira kwa mawonekedwe a nanosheets ndi mapadi.Chifukwa chake, ndizotheka kukwaniritsa kuwonekera kwakukulu kopitilira 73% ndi chifunga chachikulu chopitilira 80% mu mawonekedwe owoneka bwino amtundu wa 370-780 nanometers.Panthawi imodzimodziyo, filimuyi ilinso ndi mphamvu zabwino kwambiri zamphamvu kwambiri komanso zolimba kwambiri, zomwe zimakhala maulendo 6 ndi katatu kuposa mafilimu apulasitiki a PET.Kuonjezera apo, maukonde a mbali zitatu a nanofibers ndi mapangidwe a chigoba cha "njerwa-fiber" amatha kulepheretsa kufalikira kwa ming'alu.Nthawi yomweyo, mphamvu yochepetsera ulusi imatha kukulitsa kachulukidwe wa haidrojeni pakati pa ulusi wazinthuzo ndikulimbikitsa kutsika kwa ulusi panthawi yotambasula filimu.Pangani zakuthupi kukhala ndi mphamvu zonse komanso kulimba kwambiri.Kuphatikiza apo, filimuyi imatha kukhalabe ndi mawonekedwe okhazikika komanso magwiridwe antchito pa 250 ° C, ndipo imakhala ndi ntchito yabwinoko kuposa makanema apulasitiki m'malo ovuta kwambiri.

Ofufuzawo adanena kuti filimuyi ya biomimetic imaphatikiza zinthu zabwino kwambiri zowoneka bwino, zamakina komanso zotentha, ndipo zimatha kukhala kwathunthu.zosawonongekapansi pazikhalidwe zachilengedwe, kuthana ndi vuto lomwe mapulasitiki otayira ndi ovuta kuwononga, ndikukwaniritsa zofunikira za kuwonekera kwa kuwala, Ngakhale kusinthasintha, mtengo wotsika, komanso kukhazikika kwapakati pa kutentha kwakukulu ndi kotsika kumafunika, moyo wonse umakhala wobiriwira komanso wopanda kuipitsa. , ndipo idzakhala ndi chiyembekezo chogwiritsa ntchito kwambiri pazida zamagetsi zosinthika mtsogolo.

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