Kuwona Zida ndi Kapangidwe ka Mafilimu Oteteza

Filimu yoteteza aluminium ndi njira yeniyeni ya filimu ya polyethylene (PE) monga gawo lapansi, polyacrylic acid (ester) resin monga chinthu choyambirira cha zomatira zosagwira ntchito, kuphatikizapo zomatira zingapo zapadera kudzera mukuphimba, kudula, kuyika, ndi njira zina, filimu yoteteza ndi yofewa, yokhala ndi mphamvu yabwino yomatira, yosavuta kuyika, yosavuta kusenda. Kukhazikika kwa zomatira kupanikizika ndikwabwino ndipo sikungawononge malo azinthu zomwe zimayikidwa.

Kuchuluka kwa ntchito: Imagwiritsidwa ntchito pamitundu yonse ya pulasitiki, matabwa a matabwa (mapepala) otetezedwa pamwamba, monga PVC, PET, PC, PMMA mbale yamitundu iwiri, bolodi la thovu UV bolodi, galasi, ndi malo ena oyendetsa, kusungirako. , ndi processing, unsembe ndondomeko popanda kuwonongeka.

Kapangidwe ndi zinthu zakuthupi zoteteza filimu

Kanema woteteza nthawi zambiri amakhala filimu yoteteza polyacrylate, filimu yoteteza ya polyacrylate yoyambira pamwamba mpaka pansi: wosanjikiza wodzipatula, wosanjikiza wosindikiza, filimu, wosanjikiza zomatira.

(1, kudzipatula wosanjikiza; 2, wosanjikiza wosindikiza; 3, filimu; 4, zomatira)

1. Kanema

Monga zopangira, filimuyo nthawi zambiri imapangidwa ndi polyethylene (PE) ndi polyvinyl chloride (PVC). Extrusion akamaumba, jekeseni akamaumba, ndi kuwomba akamaumba angapezeke. Monga polyethylene ndi yotsika mtengo komanso yokonda zachilengedwe, 90% ya filimuyi imapangidwa ndi polyethylene, ndi njira yowumba nkhonya ngati cholinga chachikulu. Pali mitundu yambiri ya polyethylene yokhala ndi malo osungunuka ndi makulidwe osiyanasiyana.

2. Colloid

Makhalidwe a colloid amatsimikizira chinsinsi cha zabwino ndi zoipa za filimu yoteteza. Mafilimu otetezera omwe amagwiritsidwa ntchito pomatira kupanikizika ali ndi mitundu iwiri: zomatira za polyacrylate zosungunulira ndi zomatira za polyacrylate zosungunuka m'madzi; ali ndi makhalidwe osiyanasiyana.

Zomatira za polyacrylate zosungunulira

zosungunulira zochokera polyacrylate zomatira ndi organic zosungunulira monga sing'anga kupasuka ndi akiliriki monoma; colloid ndi yowonekera kwambiri, kukhuthala koyambirira kumakhala kocheperako, komanso kugonjetsedwa kwambiri ndi ukalamba kwa zaka 10 pamene akukumana ndi kuwala kwa ultraviolet; colloid nayenso adzachiritsidwa pang'onopang'ono. Kanemayo akathandizidwa ndi corona, zomatira za polyacrylate zitha kukutidwa mwachindunji popanda choyambira. Zomatira za polyacrylate zimakhala zovuta kwambiri ndipo zimakhala ndi madzi ochepa, kotero kuti filimu yotetezera imasewera pang'onopang'ono; ngakhale pambuyo pa kupsyinjika, gel osakaniza ndi pamwamba kuti atumizidwe komabe sangathe kulumikizidwa kwathunthu. Kuyikidwa kwa masiku 30 ~ 60 pambuyo pake, kudzakhala kukhudzana kwathunthu ndi pamwamba kuti atumizidwe kuti akwaniritse zomatira zomaliza, ndipo kumamatira komaliza kumakhala kwakukulu kuposa kumamatira kwa 2 ~ 3 nthawi, kumamatira kwa filimu yoteteza, ngati yoyenera kudula fakitale ya bolodi, wogwiritsa ntchito yomaliza akung'amba filimuyo pamene ilipo Ikhoza kukhala yolemetsa kwambiri kapena yosang'ambika.

Zomatira za polyacrylate zosungunuka m'madzi

Zomatira za polyacrylate zosungunuka m'madzi zimagwiritsa ntchito madzi ngati sing'anga kusungunula acrylic monomer. Imakhalanso ndi zomatira za polyacrylate zosungunulira, koma colloid iyenera kupewedwa kuti muchepetse kukhudzana ndi nthunzi yamadzi ndikupewa guluu wotsalira. Mayiko omwe akutukuka kumene nthawi zambiri amagwiritsa ntchito colloid kupanga filimu yoteteza chifukwa zomatira za polyacrylate zosungunuka m'madzi ndizosawononga chilengedwe ndipo sizifunikira zida zosungunulira zosungunulira.

3. Makhalidwe a colloid

Kumamatira

Zimatanthawuza nthawi yomwe filimu yotetezera kuchokera pamwamba imakanizidwa ndi mphamvu yofunikira kuti peel. Mphamvu yomatira imagwirizana ndi zinthu zomwe zimayenera kugwiritsidwa ntchito, kukakamiza, nthawi yogwiritsira ntchito, ngodya, ndi kutentha pochotsa filimuyo. Malinga ndi Coating Online, nthawi zambiri, ndi kukwera kwa nthawi ndi kukakamizidwa, mphamvu yomatira idzawukanso; zoteteza filimu adhesion akhoza kukwera kwambiri kuonetsetsa kuti palibe zotsalira zotsalira pamene kung'amba filimuyo.Kawirikawiri, zomatirazo zimayesedwa kupyolera muyeso la 180-degree peeling.

Kugwirizana

Amatanthauza mphamvu ya colloid mkati, monga filimu yotetezera ya mgwirizano wa colloid iyenera kukhala yokwera kwambiri; Apo ayi, pong'amba filimu yoteteza, colloid idzasweka mkati, zomwe zimapangitsa kuti zikhale zotsalira. Kuyeza kwa mgwirizano: Filimu yotetezera idzayikidwa pamwamba pazitsulo zosapanga dzimbiri, ndipo kulemera kwapadera kudzapachikidwa pa filimu yotetezera kuti ayese nthawi yochuluka yomwe ikufunika kuti mutulutse filimu yotetezera ndi kulemera kwake. Ngati mphamvu yomatirayo ndi yayikulu kuposa mphamvu yolumikizana, chotsani filimu yoteteza, ndipo mamolekyu omata olumikizidwa pakati pa chomangiracho adzasweka, zomwe zimapangitsa kuti zotsalirazo zikhale zotsalira.

Kumamatira

Izi zikutanthauza mphamvu yolumikizana pakati pa zomatira ndi filimuyo. Ngati mphamvu yomatira ndi yayikulu kuposa mphamvu yolumikizirana, ngati filimu yoteteza ikachotsedwa, mgwirizano pakati pa mamolekyu omatira ndi filimuyo udzasweka, zomwe zimapangitsa kuti pakhale zotsalira zotsalira.

Kukaniza kwa UV

Zomatira za Polyacrylate ndizotetezedwa ndi UV, zomata zomata za polyacrylate zomata zoteteza ndi UV stabilizer; imalimbana ndi UV kwa miyezi 3 ~ 6. Kugwiritsiridwa ntchito kwanthawi zonse kwa zida zoyezera nyengo kuyesa mphamvu ya UV ya filimu yoteteza posintha kutentha kwa kutentha, ndi condensation kutsanzira kusintha kwanyengo maola atatu aliwonse a chinyezi chambiri ndi maola 7 a radiation ya ultraviolet kwa kuzungulira kwa maola 50 zofanana ndi pafupifupi mwezi umodzi kuikidwa panja.