I-HOSE iyingxenye ebalulekile yokupakishwa kwansuku zonke kwamakhemikhali, isetshenziswe kabanzi emasimini omkhiqizo anjengo-ayisikhilimu ngesandla, imikhiqizo yokuhlanza, imikhiqizo yelanga nokunye. Imidwebo yendabuko ye-hose yendabuko ikakhulukazi i-solven-based palyurethane izimbobo. Yize ama-polyurethane ahlanganisiwe e-polyurethane anokusebenza okuhle kakhulu ngokuya ngokuguquguquka okuhlanganisiwe kanye nokunyatheliswa kwesibili (ukuphrinta), ukusebenza kwawo kuphakeme njengama-80%. Okuqukethwe okungenhla kwama-Vocs kwenza kukhawulelwe kuhlelo lokusebenza, ikakhulukazi eminyakeni yamuva, ngokuqiniswa okuqhubekayo kokuqashelwa kwezemvelo kwezwe nezakhamizi ezweni lethu, ukukhiqizwa kanye nokusetshenziswa okuphezulu kwe-Vocs Okuqukethwe kuncike ekubhekeni okuqinile. Ifinyelele kuvunywa lelo qhwa le-hose enobungane bemvelo cUkushintsha okuphezulu kwendabuko kwama-Vocs aphezulu.
Njengamanje, izimbobo ezihlonishwayo zemvelo zifaka phakathi: 1. Izimbozo ezisuselwa emanzini ngokuqukethwe kwama-Vocs ezingaphansi kwe-10%; 2. Amageyimu aqinile aqinile noma ama-comboings agcwele agcwele ngokuqukethwe okuqinile okuphezulu kwama-85%. Njengoba impahla yamanje ye-hose is ikakhulukazi impahla ye-polyethylene (pe), izici zokungezwani okuphansi komhlaba kanye nobumbano oluphansi lwalolu hlobo lwezinto ezibonakalayo zenza izigqoko ezisuselwa emanzini zingenawo ama-applings avuthiwe. Izimbobo eziqinile eziqinile ze-UV (izigqoko ze-UV ezivukile) ziye zaba yisinqumo sokuqala sezimbali zemvelo ze-hoses kulesi sigaba ngenxa yokusebenza kwazo okuphezulu, ukonga amandla kanye nokuvikelwa kwemvelo. Kodwa-ke, ngenxa yezimpawu ze-UV-curgerable combongs, lapho abantu besebenzisa izimbobo ze-UV ezivukile ukukhiqizwa kwezinto zokufaka amakhemikhali zansuku zonke ze-hose amakhemikhali, zizobhekana nezinkinga ezinjengobuntu obuhle bokuguga kokuhlanganiswa, okuphuzi okulula, ukuqhekeka kwe Ukuphikisana, ukumelana kabi kwe-matte, ukuphrinta okunzima kwesibili (ukubhuqa), iphunga elingenabungane ngemuva kokupenda, njll.
Le ndatshana izoqala kusuka ezimisweni eziyisisekelo ze-UV Curing Coatings, ihlanganiswe nesicelo sangempela, futhi ixoxe ngokujulile izinkinga ezinkulu ezishiwo ngenhla kwinqubo yokuhlanganisa kanye nokuhlobisa izinsiza zansuku zonke ezisetshenziswa kumakhemikhali wansuku zonke. Ngokwesisekelo sokwenza kahle ifomula ye-coating, ngokwesimo esithile sangempela soMkhiqizi Wezinto Ezisetshenziswayo sinikeza izixazululo ezithile kulezi zinkinga.
Isingeniso ku-UV Curing Coatings
I-PhotoCuting yi-New Technology entsha "eluhlaza" ethuthuka ngokushesha. Kusukela ngo-1970s, ubuchwepheshe bokwenza izithombe busetshenziswe kabanzi ku-Coatings, ama-inks, ama-ejenti wokuwela kanye nezinkundla zezokwelapha. Phakathi kwazo, ubuchwepheshe be-Ultraviolet Light Curing (UV CURING) Ubuchwepheshe njengamanje bungubuchwepheshe obusetshenziswa kakhulu bokulashwa okukhanyayo. Izambatho ze-UV zihlanganiswa ikakhulukazi ama-perinititiators, ama-resins angenakuvinjwa kanye nama-monomers, izithasiselo zokulawula ingaphezulu komhlaba kanye nemibala edingekayo kanye nama-filler. Emkhakheni wokuhlobisa okungaphezulu kwezinto zokwenziwa kwamakhemikhali zansuku zonke, ubuchwepheshe belapha we-UV busetshenziswa kabanzi ekufafeni, ukuphrinta kanye nezinye izinkambu. Ekuhlanganisweni kwezinto zokufaka amakhemikhali zansuku zonke ze-hose amakhemikhali, izigqoko ze-UV ezivukile zibonakala ngokuphulukisa okusheshayo, okuphezulu kwe-gloss, ukumelana okuhle kakhulu, nokuqukethwe okuqinile okuphezulu. Njengesimo esivelayo semvelo esivelayo, eminyakeni yamuva ukunakwa kwabantu abaningi ngokwengeziwe.
Kodwa-ke, njenganoma iyiphi enye into, izimbobo ze-UV ezivukile nazo zinezinkinga ezinjengokuphuzi, ukuqhekeka, kanye nokuvikelwa kabi kokugqoka ngesikhathi sokusetshenziswa. Lo mbhalo uzogxila ekuxoxeni ngezinkinga ezahlukahlukene ezijwayelekile ze-UV Coatings esetshenziswa kuma-hoses. , kusukela ezimbangela zezinkinga, faka izindlela zokuxazulula lezi zinkinga ekwakhiweni kwefomula ye-coatial kwinqubo yokwakhiwa kwe-coating.
Izinkinga ezinkulu nezixazululo lapho izigqoko zokuvula ze-UV zisetshenziselwa izinto zansuku zonke zokupakisha amakhemikhali amakhemikhali
一. Izimbangela Nezixazululo Zokuphuzi
Isizathu esiyinhloko sokuphuzi kwe-UV-curged Coatings ukuthi ukuhlanganiswa kuqukethe izinhlaka zamangqamuzana ezingakwazi ukudonsa ukukhanya kwe-ultraviolet ye-wavelength ethile. Ngemuva kokuthola ukukhanya kwe-ultraviolet kwe-wavelength ethile, lezi zinto zikhiqiza izinguquko zamandla we-Energy futhi ekugcineni zidala i-oxidation of the coating. Lapho izinga le-oxidation lingaphezulu, lizophenduka liphuzi ngokubukeka, laziwa kakhulu ngokuthi "aphuzi".
(Isithombe esishiywe - Isimo esiphuzi, isithombe kwesokudla - okujwayelekile)
Izingxenye eziphambili ezimbozweni ze-UV ezingadonsa ukukhanya kwe-ultraviolet yilezi:
1. I-Photonititiator Remidie (le yinto ebaluleke kakhulu ebangela ophuzi)
2
I-3. Izibopho ezihlala zimisiwe ezingalungiswa, nezinye izinto ezingenazifiso ezi-oxidizable (njengamaqembu e-amino, njll)
二, izimbangela nezixazululo zokuqhekeka kwe-coation
Izizathu eziphambili zokugoba nokuqhekeka kwe-coating: 1. Ukunamathelisa kokuhlanganiswa kwe-substrate akukuhle; 2. Ukugcwala ekwephuleni kwe-coating kuphansi ngemuva kokuphulukisa. Isisho esidumile ukuthi ubunzima bokuhlanganiswa akukuhle.
Izixazululo zokuqhekeka okuhlanganisiwe:
1. Ukuqala kusuka ekwakhiweni kwefomula, ahlinzeke izimbotshana ngokunamathela okungcono nokuqina;
2. Ukusuka ekuphathweni kwenqubo yokuhlanganisa, izindlela ezithile yilezi: 1 we-substrate futhi uthuthukise ikhwalithi ye-substrate. 2
三, izimbangela kanye nezixazululo zephunga elingenabungani
I-hose ehlanganisiwe izophunga iphunga le-pungent lapho kufakwa umkhiqizo, ikakhulukazi uma umkhiqizo uvalwe esikhwameni sokufaka isikhathi eside, lapho kuvulwa isikhwama sokupakisha. Isizathu esiyinhloko salezi ziphunga ze-pungent ukuthi amakhompiyutha amancane aphansi abilayo asele ku-Paint Film athutha athuthele phezulu kokuhlanganiswa kwesikhathi ngokuhamba kwesikhathi, aqongelele ngokuqhubekayo endaweni evaliwe. Imithombo yalezi zinhlaka ezinama-molecular ezinama-molecular aphansi ikakhulukazi i-solvents ezisele (solovents ezingaguquki ngokuphelele), ama-molecular ama-molecular amamomelisa (ama-complieres amancane), kanye namakhompiyutha amancane ama-molefanel akhiqizwa yi-photoinitiators kanye nokuqhekeka kwawo (ezaziwa ngokuthi izinsalela zazo). ).
Izindlela zokuxazulula iphunga ngemuva kokwelapha:
1. Ukuqala kusuka ekwakheni ukwakhiwa, sebenzisa uhlelo olusebenzayo kakhulu lwe-Initiator System ukunciphisa inani le-Initiator elisetshenzisiwe; Khuphula okuqukethwe kwezakhi ezisebenzayo ohlelweni, bese usebenzisa izingxenye ezifanele zeplastiki ukunciphisa inani lama-molecule amancane amancane, ikakhulukazi ama-molecule amancane. Ukusetshenziswa kwe-monomer.
2. Ngokombono wokulawulwa kwenqubo yokuhlangana, ukunciphisa ngokufanelekile, ukukhulisa izinga lokuphumula, futhi amandla elapha we-UV anganciphisa isizukulwane samaphunga angenabungani.
四. Izizathu nezixazululo zokumelana kahle kwe-matte hose
Isizathu sokumelana kwe-matte coating ukuthi umphumela we-matte we-coating ukhiqizwa ngokukhethekile ukuboniswa kwe-coating komhlaba kukhanya, futhi okukhanyayo kwe-coating komhlaba kudalwa ikakhulukazi ubulukhuni be indawo ehlanganayo kanye nendawo yokuhlangana. Ukungalingani kwengqimba uqobo kuyavela. Lapho indawo enzima igcotshwa, izoletha ukungezwani okukhulu, okwenza ukuba kube nokuhlangana kuthambekele kakhulu ekuhlazeniseni kunendawo ephezulu ecwebe. Ngaphezu kwalokho, izinto ze-powder ku-matte coating zizobhubhisa ubuqotho bendawo yokuhlangana kuze kube sezingeni elithile, kungenye yezizathu zokuthi kungani i-matte coating kungenzeka ukuthi iklwembeke kunamagama acwebezelayo.
(I-matte tube kulula ukuyihlola bese ijika ibe mhlophe uma i-funfud)
Izixazululo Zokuklabha:
1. Ukuqala kusuka ekwakhiweni kokusabalalisa, kusetshenziswa ingxenye ye-matte resin ukumiselela izingxenye ze-powder kupende kunganciphisa ubulukhuni besilinganiso se-coating ngaphansi kwesisekelo sokuqinisekisa ukwakhiwa kwe-matte ye Ukuhlanganiswa, bese ekugcineni ukuzuza ukuthuthukisa ukumelana kweSktrate of MatT ehlanganiswe.
2. Ukuqala kusuka ekuphathweni kwenqubo yokuhlanganisa, ukunciphisa ngokufanelekile, ukukhulisa izinga lokuphumula, namandla e-UV welapha kungathuthukisa ukumelana kwe-matte coating komhlaba.
五. Izizathu nezixazululo zokusebenza okushisayo okushisayo okushisayo
Izizathu eziphambili zokusebenza kabi okushisayo okushisayo yilezi: 1. Ukuhlanganiswa akuhambelani nephepha elishisayo elishisayo, okuholele ekutheni kungaphelele kwesitembu esishisayo noma ukunamathela okungekho emthethweni; Okwesibili, ukulawulwa kwenqubo ngesikhathi sokushisa okushisayo akuzinzile.
Izixazululo zokuncipha okushisayo okushisayo:
1. Ngokombono wokwakheka, wethula amakhemikhali we-weixi ngobuqambi ngezakhiwo ezibucayi zokushisa ekwakhekeni. Izinto ezinjalo zinobunzima obuphezulu kanye nokungezwani okuphansi okuphansi emazingeni okushisa asekamelweni, kepha lapho izinga lokushisa lifinyelela noma lidlula izinga lokushisa lesigaba salo, lolu hlobo lwezinto ezibonakalayo luthola ukwehla okubukhali okuhambisana nokwanda kwengxabano engaphezulu. Ngesikhathi senqubo eshisayo yesitembu, ngoba izinga lokushisa lengxenye eshisayo yesitembu likhuphuka ngokushesha ngaphezulu kokushisa kwesigaba sento, ubulukhuni bengxenye eshisayo yesitembu buncishiswe kakhulu futhi ukubhekana nokungezwani kwande kwanda, ngaleyo ndlela kuthuthukise ukunamathela phakathi kwesitembu esishisayo iphepha kanye nokuhlanganiswa kanye nobuqotho besitembu esishisayo. Lapho inqubo yokubhula isiqediwe, izinga lokushisa lehla ngaphansi kokushisa kwesigaba sesigaba nobulukhuni bezimpumputhe ze-coating.
2. Ngokombono wenqubo yokulawula, nikeza kuqala ukukhethela iphepha le-bronzing kanye nenqubo ehambelana nokushisa kwe-bronzing kanye nokucindezela kwamandla ngesikhathi sokuqhakaza phakathi nokunamathela kwe-bronzing.
I-UV-Type PE Varnish izothatha kancane kancane izimbotshana ze-polyurethane ezimbili. Kungumkhiqizo wezokuphepha kuzwelonke, ukukhiqizwa okuhlanzekile, ukuncishiswa kwekhabhoni, kanye nezidingo zokuvikelwa kwemvelo. Ezinye izinkinga eziphakamayo ngesikhathi sokwakhiwa kwe-UV varnish zingaxazululwa nge-varnish. Ukulungiswa kwefomula yoMkhiqizi, ukulungiswa kwenqubo komenzi wemishini kanye nefektri ye-hose kuxazululwe ngokuhlangene.
Shanghai rainbow Industrial Co., LtdInikeza isixazululo sokuma esisodwa sokufakwa kwezimonyo.Uma uthanda imikhiqizo yethu, ungaxhumana nathi,
Iwebhusayithi:www.rainbow-pkg.com
Email: Bobby@rainbow-pkg.com
I-WhatsApp: +008615921375189
光固化是一种快速发展的 "绿色" 新技术, 从 20 世纪 70 年代至今, 光固化技术已广泛应于涂料, 油墨, 交联剂以及医疗等领域. 其中紫外光固化 (UV 固化) 技术是目前应用最为广泛的光固化技术 .uv 涂料主要由光引发剂, 不饱和树脂及单体, 表面控制助剂以及必要的颜填料组成. 在日化包装材料表面装饰领域, UV 固化技术被广泛应用于喷涂, 印刷等领域. 在日化软管包装材料涂装中, UV 固化涂料以其快速固化, 表面光泽高, 耐刮擦性能优异, 固含量高的特点, 做为一种新兴的环境友好型涂装材料, 近年来越来越引起人们的关注.
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Isikhathi sePosi: Jan-06-2023