Filimu Yosintha Mtundu wa TPU ndi filimu yoyambira ya TPU yokhala ndi mitundu yosiyanasiyana komanso yosiyana siyana yosinthira galimoto yonse kapena mawonekedwe ake pang'ono pophimba ndi kumata. Filimu Yosintha Mtundu wa TPU ya BOKE imatha kupewa kudula, kukana chikasu, komanso kukonza mikwingwirima. Filimu Yosintha Mtundu wa TPU pakadali pano ndi chinthu chabwino kwambiri pamsika ndipo ili ndi ntchito yofanana ndi Filimu Yoteteza Utoto yowunikira mtundu; pali mulingo wofanana wa makulidwe, kuthekera koletsa kudula ndi mikwingwirima kumawonjezeka kwambiri, kapangidwe ka filimuyi ndi kokulirapo kuposa Filimu Yosintha Mtundu wa PVC, pafupifupi kuti ikwaniritse mawonekedwe a lalanje a 0, Filimu Yosintha Mtundu wa TPU ya BOKE imatha kuteteza utoto wa galimoto ndi kusintha kwa mtundu nthawi imodzi.
Monga njira imodzi yotchuka yosinthira mtundu wa galimoto, kupanga filimu yosintha mtundu kwakhala kwa nthawi yayitali, ndipo Filimu Yosintha Mtundu wa PVC ikadali yolamulira msika waukulu. Pakapita nthawi, yowombedwa ndi mphepo komanso youma ndi dzuwa, filimuyo idzachepetsa pang'onopang'ono ubwino wake, ndi kukanda, kukanda, mizere ya lalanje, ndi mavuto ena. Kutuluka kwa Filimu Yosintha Mtundu wa TPU kungathe kuthetsa mavuto a Filimu Yosintha Mtundu wa PVC. Ichi ndichifukwa chake eni magalimoto amasankha Filimu Yosintha Mtundu wa TPU.
Filimu Yosintha Mitundu ya TPU ingathe kusintha mtundu wa galimoto ndi utoto kapena decal momwe mukufunira popanda kuwononga utoto woyambirira. Poyerekeza ndi utoto wonse wa galimoto, Filimu Yosintha Mitundu ya TPU ndi yosavuta kugwiritsa ntchito ndipo imateteza bwino umphumphu wa galimotoyo; kufananiza mitundu kumakhala kodziyimira pawokha, ndipo palibe vuto ndi kusiyana kwa mitundu pakati pa zigawo zosiyanasiyana za mtundu womwewo. Filimu Yosintha Mitundu ya TPU ya BOKE ingagwiritsidwe ntchito pa galimoto yonse. Yosinthasintha, yolimba, yoyera bwino, yosagwira dzimbiri, yosatha, yosakanda, yoteteza utoto, yopanda guluu wotsalira, yosakonza mosavuta, yoteteza chilengedwe, komanso ili ndi mitundu yambiri.
PVC: Ndi utomoni weniweni
PVC ndi chidule cha polyvinyl chloride. Ndi polima wopangidwa ndi polymerization ya vinyl chloride monomer (VCM) yokhala ndi zoyambitsa monga peroxides ndi azo compounds, kapena pansi pa mphamvu ya kuwala ndi kutentha, malinga ndi momwe polymerization ya free radical imagwirira ntchito. Vinyl chloride homopolymer ndi vinyl chloride copolymer zonse zimatchedwa vinyl chloride resin.
PVC yoyera imakhala ndi mphamvu yolimbana ndi kutentha, kukhazikika, komanso kupsinjika; Koma ikatha kuwonjezera njira yofananira, PVC imawonetsa magwiridwe antchito osiyanasiyana azinthu. Pogwiritsa ntchito mafilimu osintha mitundu, PVC imakhala ndi mitundu yosiyanasiyana, mitundu yonse, komanso mitengo yotsika. Zoyipa zake ndi monga kutha mosavuta, kuchotsedwa, kusweka, ndi zina zotero.
PFT: yosatha, yolimba kutentha kwambiri, komanso yokhazikika bwino
PET (Polyethylene terephthalate) kapena yomwe imadziwika kuti polyester resin, ngakhale kuti zonsezi ndi ma resin, PET ili ndi ubwino wosowa kwambiri:
Ili ndi mphamvu zabwino zamakina, yokhala ndi mphamvu zogwira ntchito nthawi 3-5 kuposa mafilimu ena, komanso yolimba bwino. Imalimbana ndi mafuta, mafuta, ma acid osungunuka, alkali, ndi zinthu zambiri zosungunulira. Itha kugwiritsidwa ntchito kwa nthawi yayitali kutentha kwa 55-60 ℃, imatha kupirira kutentha kwa 65 ℃ kwa nthawi yochepa, ndipo imatha kupirira kutentha kwa -70 ℃, ndipo siikhudza kwambiri mphamvu zake zamakina kutentha kwapamwamba komanso kotsika.
Mpweya ndi nthunzi ya madzi sizilola kulowa bwino ndipo sizimalimbana ndi mpweya, madzi, mafuta, ndi fungo. Zimawoneka bwino kwambiri, zimatha kuletsa kuwala kwa ultraviolet, komanso zimakhala zonyezimira bwino. Sizowopsa, sizimanunkhira, komanso zimakhala zaukhondo komanso zotetezeka, zitha kugwiritsidwa ntchito mwachindunji popaka chakudya.
Ponena za kugwiritsa ntchito filimu yosintha mtundu, filimu yosintha mtundu wa PET imakhala yosalala bwino, yowonetsa bwino ikamamatira pagalimoto, ndipo palibe njira yachikhalidwe yopangira mapeyala a lalanje ikamamatira. Filimu yosintha mtundu wa PET ili ndi njira yopumira mpweya ya uchi, yomwe ndi yosavuta kuimanga ndipo siivuta kuisintha. Nthawi yomweyo, yolimbana ndi kugwedezeka, kutopa, kukana kukangana, komanso kukhazikika kwa mawonekedwe onse ndi abwino kwambiri.
TPU: Kuchita bwino kwambiri, kusunga phindu kwambiri
TPU (Thermoplastic polyurethanes), yomwe imadziwikanso kuti thermoplastic polyurethane elastomer rabara, ndi chinthu cha polima chomwe chimapangidwa ndi ma polymer ndi ma polymerization a mamolekyulu osiyanasiyana otsika. TPU ili ndi makhalidwe abwino kwambiri monga kupsinjika kwakukulu, mphamvu yayikulu yogwira, kulimba, komanso kukana ukalamba, zomwe zimapangitsa kuti ikhale chinthu chokhwima komanso chosamalira chilengedwe. Ubwino wake ndi: kulimba bwino, kukana kuwonongeka, kukana kuzizira, kukana mafuta, kukana madzi, kukana ukalamba, kukana nyengo, ndi zina zotero. Nthawi yomweyo, ili ndi ntchito zambiri zabwino monga kusalowa madzi kwambiri, kulowa kwa chinyezi, kukana mphepo, kukana kuzizira, kukana mabakiteriya, kukana nkhungu, kusunga kutentha, kukana UV, komanso kutulutsa mphamvu.
Kale, TPU inkapangidwa ndi zovala zosaoneka za galimoto, zomwe zinali zinthu zabwino kwambiri zopangira filimu ya galimoto. TPU tsopano yagwiritsidwa ntchito m'mafilimu osintha mitundu. Chifukwa cha zovuta zake zopaka utoto, ndi yokwera mtengo ndipo ili ndi mitundu yochepa. Kawirikawiri, imakhala ndi mitundu yosasangalatsa, monga yofiira, yakuda, imvi, buluu, ndi zina zotero. Filimu yosintha mitundu ya TPU imalandiranso ntchito zonse za majekete osaoneka a galimoto, monga kukonza zokanda ndi kuteteza utoto woyambirira wa galimoto.
Magwiridwe antchito, mtengo, ndi kuyerekeza kwa zinthu za mafilimu osintha mitundu opangidwa ndi PVC, PET, ndi TPU ndi awa: Kuyerekeza kwa khalidwe: TPU>PET>PVC
Kuchuluka kwa utoto: PVC> PET> TPU
Mitengo: TPU>PET>PVC
Magwiridwe antchito a chinthu: TPU>PET>PVC
Poganizira za moyo wautumiki, pansi pa mikhalidwe ndi malo omwewo, moyo wautumiki wa PVC ndi pafupifupi zaka 3, PET ndi pafupifupi zaka 5, ndipo TPU nthawi zambiri imatha kukhala pafupifupi zaka 10.
Ngati mukufuna chitetezo ndipo mukufuna kuteteza utoto wa galimoto ngati ngozi yachitika, mutha kusankha filimu yosinthira mtundu wa TPU, kapena kugwiritsa ntchito filimu yosinthira mtundu wa PVC, kenako kugwiritsa ntchito PPF.
Nthawi yotumizira: Meyi-04-2023
