Masana'antar tawada ta UV tana fuskantar gagarumin sauyi wanda ke haifar da haɓaka yanayin muhalli da kiwon lafiya. Ɗaya daga cikin manyan abubuwan da ke mamaye kasuwa shine haɓaka tsarin "NVP-Free" da "NVC-Free". Amma me yasa ainihin masana'antun tawada ke motsawa daga NVP da NVC?
Fahimtar NVP da NVC
**NVP (N-vinyl-2-pyrrolidone)** shine mai ƙara kuzari mai ɗauke da nitrogen tare da tsarin kwayoyin C₆H₉NO, mai ɗauke da zoben pyrrolidone mai ɗauke da nitrogen. Saboda ƙananan danko (sau da yawa yana rage dankon tawada zuwa 8-15 mPa·s) da kuma babban aiki, NVP an yi amfani da shi sosai a cikin suturar UV da tawada. Koyaya, a cewar BASF's Safety Data Sheets (SDS), NVP an rarraba shi azaman Carc. 2 (H351: wanda ake zargin carcinogen), STOT RE 2 (H373: lalata gabobin jiki), da kuma Tox mai tsanani. 4 (mai guba mai tsanani). Taron Amurka na Masu Kula da Tsaftar Masana'antu na Gwamnati (ACGIH) ya ba da taƙaitaccen taƙaitaccen bayanin sana'a zuwa ƙimar iyakacin ƙima (TLV) na kawai 0.05 ppm.
Hakanan, **NVC (N-vinyl caprolactam)** an yi amfani da shi sosai a cikin tawada UV. A kusa da 2024, dokokin CLP na Tarayyar Turai sun ba da sabon rabe-raben haɗari H317 (hankalin fata) da H372 (lalacewar gabbai) ga NVC. Ƙirar tawada mai ƙunshe da 10 wt% ko fiye NVC dole ne su nuna alamar haɗari na kwanyar-da-cross, mahimmanci mai rikitarwa masana'antu, sufuri, da samun kasuwa. Fitattun samfuran kamar su NUtec da swissQprint yanzu suna tallata “tawada UV marasa kyauta na NVC” akan gidajen yanar gizon su da kayan talla don jaddada ƙayyadaddun bayanan halayen su.
Me yasa "NVC-Free" ke zama wurin Siyarwa?
Don samfuran samfuran, ɗaukar “kyauta NVC” yana fassara fa'idodi da yawa:
* Rage rarraba haɗarin SDS
* Ƙananan ƙuntatawa na sufuri (ba a rarraba shi azaman mai guba 6.1)
* Sauƙaƙan yarda tare da ƙananan takaddun shaida, musamman masu fa'ida a cikin sassa masu mahimmanci kamar wuraren kiwon lafiya da ilimi.
A takaice, kawar da NVC yana ba da madaidaicin bambance-bambance a cikin tallace-tallace, takaddun kore, da ayyukan taushi.
Kasancewar Tarihi na NVP da NVC a cikin Inks UV
Daga ƙarshen 1990s zuwa farkon 2010s, NVP da NVC sun kasance masu raɗaɗi na yau da kullun a cikin tsarin tawada na UV na al'ada saboda ingantaccen rage danko da haɓakawa. Nau'i na yau da kullun don tawada tawada baƙar fata a tarihi sun ƙunshi 15-25 wt% NVP/NVC, yayin da gyare-gyare masu tsabta suna da kusan 5-10 wt.
Koyaya, tun da Ƙungiyar Tawada ta Buga ta Turai (EuPIA) ta haramta amfani da ƙwayoyin cuta na carcinogenic da monomers na mutagenic, ƙirar NVP/NVC na al'ada ana saurin maye gurbinsu ta hanyar amintattun hanyoyin kamar VMOX, IBOA, da DPGDA. Yana da mahimmanci a lura cewa tushen ƙarfi ko tawada na tushen ruwa bai taɓa haɗawa da NVP/NVC ba; waɗannan lactams na vinyl masu ɗauke da nitrogen an samo su ne kawai a cikin tsarin warkarwa na UV/EB.
Haohui UV Solutions don Masu Kera Tawada
A matsayin jagora a masana'antar warkar da UV, Haohui Sabbin Kayayyakin sun sadaukar don haɓaka mafi aminci, tawada UV da tsarin guduro mai aminci. Muna goyan bayan masana'antun tawada musamman waɗanda ke canzawa daga tawada na gargajiya zuwa mafita na UV ta hanyar magance wuraren zafi na gama gari ta hanyar tallafin fasaha na musamman. Ayyukanmu sun haɗa da jagorar zaɓin samfur, haɓaka ƙira, gyare-gyaren tsari, da horar da ƙwararru, baiwa abokan cinikinmu damar bunƙasa a cikin tsaurara ƙa'idodin muhalli.
Don ƙarin cikakkun bayanai na fasaha da samfuran samfur, ziyarci gidan yanar gizon hukuma na Haohui, ko haɗa tare da mu akan LinkedIn da WeChat.
Lokacin aikawa: Jul-01-2025
