Masana'antar tawada ta UV tana fuskantar gagarumin sauyi sakamakon hauhawar matakan muhalli da lafiya. Wani babban abin da ya mamaye kasuwa shine tallata tsarin "Babu NVP" da "Babu NVC". Amma me yasa masana'antun tawada ke ƙaura daga NVP da NVC?
Fahimtar NVP da NVC
**NVP (N-vinyl-2-pyrrolidone)** wani abu ne mai narkewar sinadarai masu ɗauke da nitrogen tare da dabarar kwayoyin halitta ta C₆H₉NO, wanda ke ɗauke da zoben pyrrolidone mai ɗauke da nitrogen. Saboda ƙarancin dankonsa (sau da yawa yana rage dankonsa na tawada zuwa 8-15 mPa·s) da kuma yawan amsawa, an yi amfani da NVP sosai a cikin shafa UV da tawada. Duk da haka, a cewar Takardun Bayanan Tsaro na BASF (SDS), an rarraba NVP a matsayin Carc. 2 (H351: wanda ake zargi da cutar kansa), STOT RE 2 (H373: lalacewar gabobi), da Acute Tox. 4 (guba mai tsanani). Ƙungiyar Masana Tsabtace Masana'antu ta Amurka (ACGIH) tana da iyakataccen lokacin da za a iya ɗaukar nauyin aiki zuwa ƙimar iyaka (TLV) na 0.05 ppm kawai.
Hakazalika, **NVC (N-vinyl caprolactam)** an yi amfani da shi sosai a cikin tawada ta UV. A kusan shekarar 2024, ƙa'idodin CLP na Tarayyar Turai sun sanya sabbin rarrabuwar haɗari H317 (hangen nesa da fata) da H372 (lalacewar gabobi) ga NVC. Tsarin tawada da ke ɗauke da 10% wt% ko fiye da NVC dole ne su nuna alamar haɗarin kwanyar da ƙashi, wanda hakan ke rikitar da masana'antu, sufuri, da kuma samun kasuwa. Shahararrun samfuran kamar NUtec da swissQprint yanzu suna tallata "tawada ta UV mara NVC" a shafukan yanar gizon su da kayan talla don jaddada cancantar su ga muhalli.
Me yasa "Babu NVC" Ya Zama Wurin Siyarwa?
Ga samfuran kasuwanci, ɗaukar "ba tare da NVC ba" yana fassara zuwa fa'idodi da yawa bayyanannu:
* Rage rarrabuwar haɗarin SDS
* Ƙananan ƙuntatawa na sufuri (ba a sake rarraba su a matsayin mai guba 6.1 ba)
* Sauƙaƙa bin ƙa'idodin takaddun shaida masu ƙarancin fitar da hayaki, musamman ma a fannoni masu mahimmanci kamar yanayin likita da ilimi.
A takaice, kawar da NVC yana ba da ma'anar bambance-bambance a fannin tallatawa, takardar shaidar kore, da ayyukan bayar da kwangila.
Kasancewar NVP da NVC a Tarihi a cikin Tawada ta UV
Daga ƙarshen shekarun 1990 zuwa farkon shekarun 2010, NVP da NVC sun kasance masu narkewar sinadarai masu amsawa a cikin tsarin tawada na gargajiya na UV saboda raguwar dankonsu da kuma yawan amsawar su. Tsarin da aka saba amfani da shi don tawada ta baki a tarihi ya ƙunshi 15-25% na NVP/NVC, yayin da launuka masu haske masu laushi suna da kusan 5-10%.
Duk da haka, tun lokacin da Ƙungiyar Tawada ta Bugawa ta Turai (EuPIA) ta haramta amfani da monomers masu cutar kansa da kuma waɗanda ke canza kamannin halitta, ana maye gurbinsu da magungunan gargajiya na NVP/NVC cikin sauri da madadin da ya fi aminci kamar VMOX, IBOA, da DPGDA. Yana da mahimmanci a lura cewa tawada masu tushen narkewa ko na ruwa ba su taɓa haɗa da NVP/NVC ba; waɗannan lactams masu ɗauke da nitrogen an same su ne kawai a cikin tsarin warkar da UV/EB.
Maganin UV na Haohui ga Masu Kera Tawada
A matsayinta na jagora a masana'antar warkar da UV, Haohui New Materials ta sadaukar da kanta ga haɓaka tawada da tsarin resin masu aminci da aminci ga muhalli. Muna tallafawa masana'antun tawada musamman waɗanda ke canzawa daga tawada ta gargajiya zuwa mafita ta UV ta hanyar magance matsalolin da aka saba fuskanta ta hanyar tallafin fasaha na musamman. Ayyukanmu sun haɗa da jagorar zaɓar samfura, inganta tsari, daidaita tsari, da horar da ƙwararru, wanda ke ba abokan cinikinmu damar bunƙasa a tsakanin ƙa'idodin muhalli masu tsauri.
Don ƙarin cikakkun bayanai na fasaha da samfuran samfura, ziyarci gidan yanar gizon hukuma na Haohui, ko kuma ku haɗu da mu a LinkedIn da WeChat.
Lokacin Saƙo: Yuli-01-2025
