Formulazione di riferimento degli inchiostri offset UV e degli inchiostri offset UV senza acqua
(1) Formulazione di riferimento dell'inchiostro offset UV
PEA 25,0
EA 25.0
Acidi grassi modificati EA 5,0
PUA 10.0
Pigmento 17.0
CaCO3 5,0
SiO2 0,5
BP 3.0
ITX 2.0
ODAB 5.0
Cera 1.0
Additivi 1,5
(2) Formula di riferimento dell'inchiostro offset rosso UV
PISELLO (PRO30037) 27
PISELLO (CN2282) 20
Di-TMPTA 11
(EO)3TMPTA 2
907 3
TZT 2
KBI 5
Ammina attivata (CN373) 2
Pigmento rosso (PR 57:1) 20
Talco 6
Cera di polietilene 2
(3) Formula di riferimento dell'inchiostro offset giallo UV
PISELLO (PRO20071) 20
PEA (CN790) 30
Di-TMPTA 10
(EO)3TMPTA 5
907 2
TZT 2
KBI 5
Ammina attivata (CN373) 2
Pigmento giallo (PR 57:1) 14
Talco 8
Cera di polietilene 2
(4) Formula di riferimento dell'inchiostro offset blu UV
EA 37,3
PUA aromatico esafunzionale 10,4
TMPTA 31,9
Blu ftalocianina 18,0
Acrilato di silicone 0,9
Agente bagnante e disperdente 1,5
LFC1001 3.0
EDAB 2.0
ITX 1.0
(5) Formulazione di riferimento dell'inchiostro offset nero UV
EA 21
Polifunzionalità PUA 10
Polifunzionalità PEA 10
DPHA 8
DDA 15
BP 3
ITX 3
369 3
184 1
EDAB 6
Nero carbone 18
Pigmento Viola 3 1
Cera di polietilene 1
Nota: da utilizzare su carta o cartoncino.
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.
Contattateci ora!
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.
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