Formulation de référence pour les encres offset UV et les encres offset UV sans mouillage
(1) Formulation de référence de l'encre offset UV
PEA 25,0
EA 25.0
Acides gras modifiés EA 5.0
PUA 10.0
Pigment 17.0
CaCO3 5,0
SiO2 0,5
BP 3.0
ITX 2.0
ODAB 5.0
Cire 1.0
Additifs 1,5
(2) Formule de référence de l'encre offset rouge UV
POIS (PRO30037) 27
POIS (CN2282) 20
Di-TMPTA 11
(EO)3TMPTA 2
907 3
TZT 2
KBI 5
Amine activée (CN373) 2
Pigment rouge (PR 57:1) 20
Talc 6
Cire de polyéthylène 2
(3) Formule de référence de l'encre offset jaune UV
POIS (PRO20071) 20
PEA (CN790) 30
Di-TMPTA 10
(EO)3TMPTA 5
907 2
TZT 2
KBI 5
Amine activée (CN373) 2
Pigment jaune (PR 57:1) 14
Talc 8
Cire de polyéthylène 2
(4) Formule de référence de l'encre offset bleue UV
EA 37.3
PUA aromatique hexafonctionnelle 10.4
TMPTA 31,9
Bleu de phtalocyanine 18.0
Acrylate de silicone 0,9
Agent mouillant et dispersant 1,5
LFC1001 3.0
EDAB 2.0
ITX 1.0
(5) Formulation de référence de l'encre offset noire UV
EA 21
Polyfonctionnalité PUA 10
Polyfonctionnalité PEA 10
DPHA 8
DDA 15
BP 3
ITX 3
369 3
184 1
EDAB 6
Noir de carbone 18
Pigment Violet 3 1
Cire de polyéthylène 1
Remarque : à utiliser sur du papier ou du carton.
A practical selection route for photoinitiator-related projects
When technical buyers or formulators screen photoinitiators, the most useful decision frame is usually cure quality plus application fit: which package cures reliably, keeps appearance acceptable, and still works under the lamp, film thickness, and substrate conditions of the actual process.
- Match the package to the lamp first: mercury lamps, UV LEDs, and visible-light systems can rank the same photoinitiators very differently.
- Check depth cure and surface cure separately: a film that feels dry on top can still be weak underneath.
- Balance yellowing with reactivity: the strongest deep-cure route is not always the best commercial choice if color or migration risk becomes unacceptable.
- Use the final formula as the benchmark: pigment load, monomer package, and film thickness can all change the apparent ranking of the same initiator.
Recommended product references
- CHLUMINIT 819: Useful when a formulation needs stronger absorption and deeper cure support.
- CHLUMINIT 184: A classic free-radical benchmark for fast surface cure in many UV systems.
- CHLUMINIT 1173: A practical comparison point for classic short-wave UV initiation.
- CHLUMINIT ITX: A useful long-wave support route in many printing-ink packages.
FAQ for buyers and formulators
Why are blended photoinitiator packages so common?
Because one product may control yellowing or lamp fit well while another improves cure depth or line-speed performance, so the full package is often stronger than any single grade.
Should incomplete cure always be solved by adding more initiator?
Not automatically. The real limitation may be the lamp, film thickness, pigment shading, or the rest of the reactive system rather than simple under-dosage.
Contactez-nous dès maintenant !
Quick answer: Photoinitiator choice is usually driven by lamp match, cure depth, yellowing, and whether the final film still performs on the real substrate. The best package is rarely the cheapest single grade.
Si vous avez besoin de Price, veuillez indiquer vos coordonnées dans le formulaire ci-dessous. Nous vous contacterons généralement dans les 24 heures. Vous pouvez également m'envoyer un courriel info@longchangchemical.com pendant les heures de travail ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) ou utilisez le chat en direct du site web pour obtenir une réponse rapide.