Makhalidwe ndi chiyembekezo chamsika cha zokutira za UV

Utoto ukhoza kuwonedwa kulikonse m'moyo wathu, ndipo sitikuchidziwa bwino.Mwina chifukwa zokutira anaphunzira m'moyo, iwo kwambiri zosungunulira zochokera kapena thermosetting.Komabe, zomwe zikuchitika pano ndi utoto wa UV, womwe ndi utoto wobiriwira wokonda zachilengedwe.

Utoto wa UV, womwe umadziwika kuti "utoto wobiriwira wowoneka bwino komanso wokonda zachilengedwe m'zaka za zana la 21", ukukula mopitilira kuwirikiza kawiri pachaka.Kuwonekera kwa utoto wa UV kupangitsa kuti dziko lapansi ligwedezeke panjira yogwiritsira ntchito zokutira zachikhalidwe.Kodi utoto wa UV ndi chiyani?Kodi kutulukira kwake kudzakhala ndi zotsatira zotani pamakampani opanga mipando?

Kodi utoto wa UV ndi chiyani?

Utoto wa UV umatanthawuza utoto wonyezimira wa violet, kutanthauza kuti, utoto wopaka utomoni womwe umagwiritsa ntchito UV ngati mphamvu yochiritsa ndipo umalumikizana mwachangu kutentha kwachipinda.Kuwala kwa Ultraviolet kumapangidwa ndi zida zapadera, ndipo njira yomwe chinthu chowotchedwa chimatulutsa mphamvu yamankhwala kudzera mu kuwala kwa UV ndikusintha kuchoka kumadzi kupita ku cholimba kumatchedwa UV kuchiritsa.

Ukadaulo wochiritsa wa UV ndiukadaulo wopulumutsa mphamvu, waukhondo komanso wokomera chilengedwe.Zimapulumutsa mphamvu - kugwiritsa ntchito mphamvu zake ndi gawo limodzi mwa magawo asanu a machiritso a kutentha.Lilibe zosungunulira, limawononga pang'ono chilengedwe, ndipo silitulutsa mpweya wapoizoni ndi carbon dioxide mumlengalenga.Amadziwika kuti "teknoloji yobiriwira".Ukadaulo wamachiritso a UV ndi mtundu waukadaulo wa Photoprocessing womwe umathandizira kuti utomoni wa epoxy acrylic upangidwe kukhala wolimba pa liwiro lalikulu ndi kuwala kwa UV ndi kutalika kwake.Photo kuchiritsa kachitidwe kwenikweni ndi chithunzi anayambitsa polymerization ndi cross-linking reaction.Zovala zochizira za UV zadziwika ndi makampani opanga zokutira chifukwa cha kuchiritsa kwawo kwamphamvu kwambiri komanso mawonekedwe okonda chilengedwe.

Kodi mumadziwa bwanji za utoto wa UV?Mu 1968, Bayer adatsogolera kugwiritsa ntchito njira yochiritsa ya UV ya unsaturated resin ndi benzoic acid kupanga zinthu zamalonda, ndikupanga m'badwo woyamba wa zokutira za UV.Kumayambiriro kwa zaka za m'ma 1970, Sun Chemical Company ndi kampani ya immontconciso inapanga inki yochiritsika ya UV motsatizana.

Kumayambiriro kwa zaka za m'ma 1980, opanga pansi ku Taiwan anayamba kugulitsa ndi kumanga mafakitale kumtunda, ndipo teknoloji yogwiritsira ntchito uvpaint ndi kupanga zida zinayambitsidwanso.Asanafike pakati pa zaka za m'ma 1990, ma uvcoatings ankagwiritsidwa ntchito makamaka pokonza nsungwi ndi matabwa pansi ndi kupukuta chivundikiro cha pulasitiki, ndipo zinali zowonekera kwambiri.

M'zaka zaposachedwa, ndi kukonza kwakukulu kwa mipando yapakhomo, uvpaint yalowa pang'onopang'ono m'munda wa zokutira matabwa, ndipo ubwino wake wakhala ukudziwika kwambiri.Pakadali pano, uvpaint yakhala ikugwiritsidwa ntchito kwambiri pamapepala, pulasitiki, zitsulo, magalasi, zoumba ndi zina, ndipo ikukula motsata magwiridwe antchito.
Chiyembekezo cha msika wa zokutira za UV

Utoto wa UV, mumadziwa zingati za zokutira zachikhalidwe zomwe zimagwiritsidwa ntchito m'makampani am'nyumba pakadali pano makamaka Pu, PE ndi NC.Kupyolera mu kumanga kupopera mbewu mankhwalawa, kugwira ntchito bwino kumakhala kochepa, ndipo n'kovuta kulemba antchito ndipo mtengo wa ntchito ndi wokwera.Pokhapokha pakuwongolera kuchuluka kwa mabizinesi opanga mipando omwe amatha kusokoneza chitukuko ndikuwongolera bwino mabizinesi.Kumbali ina, VOC yotulutsidwa ndi mafakitale amipando pogwiritsa ntchito zokutira zachikhalidwe yakhala gwero lofunikira pakuipitsa chilengedwe.Pakalipano, chuma chochepa cha carbon ndi kugwiritsa ntchito zobiriwira ndizofala, zomwe mosakayikira zidzatulutsa miyezo yatsopano yaukadaulo ndi zolepheretsa zamalonda.Mayiko otukuka monga ku Europe ndi United States apanga ndikupereka njira zingapo zolimbikitsira makampani opanga mipando kuti apititse patsogolo kuteteza zachilengedwe.Opanga mipando yapakhomo, makamaka mabizinesi okonda kutumiza kunja, akukumana ndi zovuta zokhazo kale.

Pansi pa chitukuko cha mafakitale, ma uvcoatings amagwirizana ndi zomwe zikuchitika masiku ano ndikukhala njira yatsopano yopangira zokutira mipando.Ubwino wake ngati malo ochezeka komanso opulumutsa mphamvu komanso kuchepetsa utsi akutuluka pang'onopang'ono, zomwe zakopa chidwi cha madipatimenti adziko lonse.Dongosolo la 11th lazaka zisanu lachitukuko chamakampani opanga zokutira komanso dongosolo lachitukuko lanthawi yayitali komanso lanthawi yayitali la sayansi ndi ukadaulo wamakampani opanga zokutira zimawonetsa bwino kufunikira kokhazikitsa mwamphamvu zokutira za UV zomwe sizingawononge chilengedwe.Utoto wa UV watsala pang'ono kunyamuka kwa nthawi yoyamba pamsika, ndipo chiyembekezo chamsika ndi chosayerekezeka.