Indasteri ea enke ea UV e etsa phetoho e kholo e susumetsoang ke ho phahama ha maemo a tikoloho le bophelo bo botle. Mokhoa o mong o ka sehloohong o renang 'marakeng ke papatso ea libopeho tsa "NVP-Free" le "NVC-Free". Empa hobaneng ha hantle bahlahisi ba enke ba suthela hole le NVP le NVC?
Ho utloisisa NVP le NVC
**NVP (N-vinyl-2-pyrrolidone)** ke diluent e sebetsang e nang le naetrojene e nang le foromo ea molek'hule C₆H₉NO, e nang le lesale la pyrrolidone le nang le naetrojene. Ka lebaka la viscosity ea eona e tlase (hangata e fokotsa viscosity ea enke ho 8–15 mPa·s) le ts'ebetso e phahameng ea ts'ebetso, NVP e sebelisitsoe haholo lirapeng tsa UV le li-inks. Leha ho le joalo, ho latela BASF's Safety Data Sheets (SDS), NVP e khetholloa e le Carc. 2 (H351: ho belaelloang hore ke kankere), STOT RE 2 (H373: tšenyo ea setho), le Acute Tox. 4 (chefo e matla). The American Conference of Governmental Industrial Hygienists (ACGIH) e na le monyetla o fokolang oa ho pepeseha mosebetsing ho boleng ba moeli (TLV) oa 0.05 ppm feela.
Ka mokhoa o ts'oanang, **NVC (N-vinyl caprolactam)** e sebelisitsoe haholo ho li-inks tsa UV. Hoo e ka bang ka 2024, melaoana ea European Union ea CLP e ile ea fana ka likarolo tse ncha tsa kotsi ea H317 (sensitization ea letlalo) le H372 (tšenyo ea setho) ho NVC. Meetso ea enke e nang le 10 wt% kapa ho feta NVC e tlameha ho hlahisa letšoao la kotsi ea lehata-le-crossbones, e thatafatsang tlhahiso, lipalangoang le phihlello ea 'maraka. Li-brand tse hlahelletseng joalo ka NUtec le swissQprint joale li phatlalatsa ka ho hlaka "li-inks tsa UV tse sa lefelloeng tsa NVC" liwebsaeteng tsa bona le lisebelisoa tsa papatso ho totobatsa lintlha tsa bona tsa tikoloho.
Hobaneng ha "NVC-Free" e fetoha Sebaka sa ho Rekisa?
Bakeng sa lihlahisoa, ho amohela "NVC-mahala" ho fetolela melemo e mengata e hlakileng:
* Ho fokotseha ha maemo a kotsi a SDS
* Lithibelo tse tlase tsa lipalangoang (ha li sa aroloa e le chefo ea 6.1)
* Ho ikamahanya habonolo le litifikeiti tsa tlhahiso e tlase, tse molemo haholo makaleng a hlokolosi joalo ka tikoloho ea bongaka le thuto.
Ka bokhutšoanyane, ho felisa NVC ho fana ka ntlha e hlakileng ea phapang litabeng tsa ho bapatsa, ho fana ka setifikeiti se setala, le merero ea bonolo.
Ho ba teng ha nalane ea NVP le NVC ho li-Inks tsa UV
Ho tloha bofelong ba lilemo tsa bo-1990 ho isa mathoasong a lilemo tsa bo-2010, NVP le NVC e ne e le lisebelisoa tse tloaelehileng tsa ho hlapolla li-inki tsa setso tsa UV ka lebaka la phokotso ea bona ea viscosity e sebetsang hantle le ts'ebetso e phahameng. Mekhoa e tloaelehileng ea li-inkjet tse ntšo historing e ne e e-na le 15-25 wt% NVP / NVC, ha liaparo tse hlakileng tsa flexographic li ne li e-na le hoo e ka bang 5-10 wt%.
Leha ho le joalo, kaha European Printing Ink Association (EuPIA) e thibetse tšebeliso ea carcinogenic le mutagenic monomers, mekhoa e tloaelehileng ea NVP/NVC e nkeloa sebaka ka potlako ke mekhoa e sireletsehileng e kang VMOX, IBOA, le DPGDA. Ho bohlokoa ho hlokomela hore li-inks tse thehiloeng ho solvent kapa tse thehiloeng metsing ha lia ka tsa kenyelletsa NVP/NVC; li-lactam tsena tsa vinyl tse nang le naetrojene li ile tsa fumanoa feela lits'ebetsong tsa kalafo tsa UV/EB.
Litharollo tsa Haohui tsa UV bakeng sa Baetsi ba Enke
Joalo ka moetapele indastering ea kalafo ea UV, Haohui New Materials e ikemiselitse ho nts'etsapele li-inks tsa UV tse bolokehileng, tse nang le tikoloho le lisebelisoa tsa resin. Re ts'ehetsa ka ho khetheha baetsi ba enke ho tloha ho li-inks tsa setso ho ea ho litharollo tsa UV ka ho rarolla mathata a tloaelehileng ka tšehetso ea tekheniki e ikhethileng. Litšebeletso tsa rona li kenyelletsa tataiso ea khetho ea lihlahisoa, ntlafatso ea tlhahiso, litokiso tsa ts'ebetso, le koetliso ea profeshenale, e nolofalletsang bareki ba rona ho atleha har'a melaoana e tiisang tikoloho.
Bakeng sa lintlha tse ling tsa tekheniki le disampole tsa sehlahisoa, etela webosaete ea semmuso ea Haohui, kapa ikopanye le rona ho LinkedIn le WeChat.
Nako ea poso: Jul-01-2025
