Ụlọ ọrụ ink UV na-enwe mgbanwe dị ukwuu site na mmụba nke ụkpụrụ gburugburu ebe obibi na ahụike. Otu ihe na-achịkwa ahịa bụ nkwalite nke usoro "NVP-Free" na "NVC-Free". Mana gịnị kpatara kpọmkwem ndị na-emepụta ink ji ahapụ NVP na NVC?
Ịghọta NVP na NVC
**NVP (N-vinyl-2-pyrrolidone)** bụ ihe na-eme ka nitrogen dịghachi ndụ nke nwere usoro molekul C₆H₉NO, nke nwere mgbanaka pyrrolidone nwere nitrogen. N'ihi obere viscosity ya (na-ebelata viscosity ink ruo 8–15 mPa·s) na nnukwu mmeghachi omume, ejirila NVP mee ihe nke ukwuu na mkpuchi UV na inks. Agbanyeghị, dịka BASF's Safety Data Sheets (SDS) si kwuo, a na-ekewa NVP dị ka Carc. 2 (H351: nke a na-enyo enyo na ọ bụ kansa), STOT RE 2 (H373: mmebi akụkụ ahụ), na Acute Tox. 4 (nsí ọjọọ). American Conference of Governmental Industrial Hygienists (ACGIH) nwere oke mkpughe ọrụ na uru oke (TLV) nke naanị 0.05 ppm.
N'otu aka ahụ, **NVC (N-vinyl caprolactam)** ejirila ya mee ihe n'ọtụtụ ebe na ink UV. N'ihe dị ka afọ 2024, iwu CLP nke European Union nyere NVC nhazi ihe ize ndụ ọhụrụ H317 (mmetụ akpụkpọ ahụ) na H372 (mmebi akụkụ ahụ). Usoro ink nwere 10 wt% ma ọ bụ karịa NVC ga-egosipụta akara ihe ize ndụ okpokoro isi na ọkpụkpụ, nke na-eme ka mmepụta, njem, na ohere ahịa sie ike nke ukwuu. Ụdị ama ama dịka NUtec na swissQprint na-akpọsa ugbu a "ink UV na-enweghị NVC" na weebụsaịtị ha na ihe nkwalite iji gosipụta asambodo ha na-adịghị ize ndụ gburugburu ebe obibi.
Gịnị mere "NVC-Free" ji aghọ ebe a na-ere ahịa?
Maka ụdị dị iche iche, ịnabata "enweghị NVC" pụtara ọtụtụ uru doro anya:
* Mbelata nkewa ihe egwu SDS
* Mmachi njem dị ala (anaghịzi ekewa ya dị ka ihe na-egbu egbu 6.1)
* Nrubeisi dị mfe na asambodo ndị na-ebelata ikuku, ọkachasị bara uru na ngalaba ndị nwere mmetụta dịka gburugburu ahụike na agụmakwụkwọ.
Na nkenke, iwepụ NVC na-enye ebe doro anya maka ọdịiche dị n'ahịa, asambodo akwụkwọ ndụ akwụkwọ ndụ, na ọrụ ndị dị nro.
Ọnụnọ akụkọ ihe mere eme nke NVP na NVC na inks UV
Site na ngwụcha afọ 1990 ruo mmalite afọ 2010, NVP na NVC bụ ihe ndị na-eme ka mmiri dịghachi ndụ na sistemụ ink UV ọdịnala n'ihi mbelata viscosity ha dị irè na nnukwu mmeghachi omume. Usoro a na-ejikarị eme ihe maka ink inkjet ojii nwere 15–25 wt% NVP/NVC, ebe mkpuchi doro anya flexography nwere ihe dị ka 5–10 wt%.
Agbanyeghị, ebe ọ bụ na European Printing Ink Association (EuPIA) machibidoro iji monomers kansa na mutagenic, a na-eji ngwa ngwa dochie usoro NVP/NVC ọdịnala site na iji ihe ndị ọzọ dị nchebe dịka VMOX, IBOA, na DPGDA. Ọ dị mkpa ịmara na inks ndị dabere na ihe mgbaze ma ọ bụ mmiri anaghị etinye NVP/NVC; a hụrụ lactams vinyl ndị a nwere nitrogen naanị na sistemụ ọgwụgwọ UV/EB.
Ngwọta UV Haohui maka Ndị Na-emepụta Ink
Dịka onye ndu n'ime ụlọ ọrụ na-agwọ UV, Haohui New Materials raara onwe ya nye ịmepụta inks UV na sistemụ resin dị nchebe ma dịkwa mma maka gburugburu ebe obibi. Anyị na-akwado ndị na-emepụta ink na-agbanwe site na inks ọdịnala gaa na ngwọta UV site na idozi ihe mgbu ndị a na-ahụkarị site na nkwado teknụzụ ahaziri ahazi. Ọrụ anyị gụnyere ntuziaka nhọrọ ngwaahịa, nhazi usoro, mgbanwe usoro, na ọzụzụ ọkachamara, na-eme ka ndị ahịa anyị nwee ọganihu n'etiti iwu gburugburu ebe obibi siri ike.
Maka nkọwa teknụzụ na ihe atụ ngwaahịa ndị ọzọ, gaa na weebụsaịtị gọọmentị Haohui, ma ọ bụ jikọọ na anyị na LinkedIn na WeChat.
Oge ozi: Julaị-01-2025
