Ndi mtundu wanji wa kuwala kowala komwe kuli koyenera filimu ya kuwira?

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Kanema wa bubble ndi mtundu wazinthu zosatsimikizira chinyezi komanso zosasokoneza zomwe zimagwiritsidwa ntchito pakuyika ndi kudzaza.Kanema wa bubble ali ndi zabwino zake pakuyamwitsa kugwedezeka, kukana mphamvu, kuteteza chilengedwe, kusakoma, komanso kukana dzimbiri.M'zaka zaposachedwa, masitolo apaintaneti awonekera mochuluka, zomwe zawonjezera kwambiri kugwiritsa ntchito filimu ya buluu.Zotsatira zake, pali opanga ochulukirachulukira opanga filimu yowuluka, ndipo kukakamizidwa kwa mpikisano mumakampani opanga zinthu kukukulirakulira.Choncho, pofuna kuchepetsa ndalama, opanga mafilimu ambiri a bubble ayamba kugwiritsa ntchito zipangizo zobwezerezedwanso kuti apange.Poyerekeza ndi zida zatsopano, mtengo wazinthu zobwezerezedwanso umachepetsa ndalama zopangira mpaka pamlingo wina ndikuwonjezera phindu lazinthu.Komabe, kutengera kuchuluka kwa zida zobwezerezedwanso ndi wopanga filimu yotulutsa thovu panthawi yopanga, filimu yotulutsa thovu yomwe imapangidwa imakhala ndi zovuta monga kuyera komanso kusawonekera bwino.Mtengowo umachepetsedwa, koma kukongola kwa zinthuzo sikukhutiritsa.Chifukwa chake, opanga ambiri amawonjezera zowunikira za fulorosenti popanga kuti athetse mavuto a kuyera koyera komanso kuwonekera kwa filimuyo.Nthawi zambiri iyi ndi njira yabwino kwambiri yothetsera.

The kuwira filimu ndi yofewa woonda-filimu pulasitiki, ndi Kuwonjezera fulorosenti whitening wothandizila ali ndi zofunika kwambiri kuti kubalalitsidwa, bata ndi kuwonekera fulorosenti whitening wothandizira.Chifukwa chachikulu chopangira filimuyi ndi polyethylene yothamanga kwambiri, onjezerani chotsegulira, chowunikira chapadera cha fulorosenti ya filimu ya thovu ndi zinthu zina zothandizira, ndikuzitulutsa mumtundu wa thovu pa kutentha kwakukulu kwa pafupifupi 230 ° C.Pali mitundu yambiri ya zowunikira zowunikira, ndiye ndi iti yomwe ili yoyenera kwambiri kugwiritsa ntchito filimu ya buluu?Yankho ndi fulorosenti whitening wothandizira OB.Ambiri opanga filimu yobiriwira amagwiritsa ntchito zoyera zoyera kapena whitening masterbatch, whitening masterbatch, ndi zinthu zina zoyera, koma zomwe zimapangidwa zimakhala ndi zoyera zosakwanira komanso mtundu wosiyana.Amakonda kukhala achikasu ndi mavuto ena, chifukwa zinthu zoyera zomwe amasankha sizoyenera mafilimu owuluka.

Fulorosenti whitening wothandizira OB ali ndi kukhazikika bwino ndi dispersibility.Pambuyo ntchito wapadera fulorosenti whitening wothandizira OB, kuwira filimu akhoza kuonjezera woyera woyera ndi pafupifupi 10 mfundo.Kuyera ndi kuwala kwa filimu ya kuwira kumasungidwa bwino, ndipo kukongola kumawonjezeka.Sizingochepetsa mtengo, komanso zimawonjezera kukongola.Malonda ndi phindu lakwera mwachibadwa.Kagwiritsidwe ndi Mlingo: Sungunulani ndi kumwazikana mofanana mu mankhwala kapena zosungunulira, ndalama zowonjezera ndi za 0.02% (pafupifupi 20 magalamu pa 100 kg ya mankhwala).Mukawonjezera kwambiri, zimakhala zosavuta kuyambitsa chikasu.Iyenera kugwiritsidwa ntchito molingana ndi mitundu yosiyanasiyana yamankhwala.Ndibwino kugwiritsa ntchito ndalamazo malinga ndi kalozera.