photoinitiator

Photoinitiator

Introduction

Photoinitiator absorbs a certain wavelength of ultraviolet (250-420nm) or visible light (400-800nm) energy, generating free radicals, or cations, etc., thereby initiating monomer polymerization and crosslinking curing compounds.

Photoinitiator Types

The full name of photoinitiator is UV curing photoinitiator, which can be divided into three categories:
1. Photoinitiator,

such as

2. Photosensitizer

Free radicals, such as BP, are formed by the hydrogen abstraction reaction and

BMS

DETX

EMK

ITX

OMB

3. Cationic photoinitiators,

such as
1130

1172

1176

1190

BXCure Photoinitiator Series

Name	Compare as	Cas	Feature
BXCURE TPO	Omnirad TPO Irgacure TPO	75980-60-8	BXCure TPO is an efficient Photoinitiator for pigmented UV-curable coatings and printing inks as well as for UV-stabilized topcoats for outdoor use. BXCure TPO is used to initiate the photopolymerization of unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional monomers.
BXCURE-184	Omnirad 184 Irgacure 184	947-19-3	BXCure 184 is a highly efficient non-yellowing photoinitiator used to initiate the photopolymerization of chemically unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional vinyl monomers.
BXCURE-907	Omnirad 907 Irgacure 907	71868-10-5	BXCure 907 is a highly efficient photoinitiator that is used to initiate the photopolymerization of unsaturated prepolymers, e.g., acrylates, in combination with mono- or multifunctional vinyl monomers. BXCure 907 is especially suitable for pigmented UV-curable systems.
BXCURE-819	Omnirad 819 Irgacure 819	162881-26-7	BXCure 819 is a versatile photoinitiator for the radical polymerization of unsaturated resins upon UV light exposure. It is especially suitable for white-pigmented formulations, the curing of glass-fiber-reinforced polyester/styrene systems, and for clear coats for outdoor use in combination with light stabilizers. Thick section curing is also possible with this photoinitiator.
BXCURE-754	Omnirad 754 Irgacure 754	211510-16-6 & 442536-99-4	BXCure 754 is a liquid photoinitiator that is used to efficiently initiate the photopolymerization of unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional vinyl monomers. BXCure 754 achieves a good balance between the requirements of low residual odor, low emission after cure and efficient polymerization. An additional benefit is the minimal yellowing after curing.
BXCURE-651	Omnirad 651 Irgacure 651	24650-42-8	BXCure 651 is a highly efficient photoinitiator that is used to initiate the photopolymerization of unsaturated prepolymers, e.g., unsaturated polyesters or acrylates, in combination with mono- or multifunctional monomers.
BXCURE-369	Omnirad 369E Irgacure 369E	119313-12-1	BXCure 369 E is the electronic grade of BXCure 369. It is a highly efficient UV-curing agent used to initiate the photopolymerization of chemically unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional monomers. BXCure 369 E is especially suitable for pigmented UV-curable systems, photoresists, and printing plates.
BXCURE-500	Omnirad 500 Irgacure 500	119-61-9 947-19-3	BXCure 500 is a blend of two photoinitiators. It is used to initiate the photopolymerization of chemically unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional monomers. BXCure 500 is especially suitable for pigmented UV-curable systems, photoresists, and printing plates.
BXCURE-379	Omnirad 379 Irgacure 379	119344-86-4	BXCure 379 is a highly efficient UV-curing agent used to initiate the photopolymerization of chemically unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional monomers. BXCure 379 is especially suitable for pigmented UV-curable systems, photoresists and printing plates. Its excellent solubility (compared to BXCure 369) makes it easy to incorporate into nearly all formulations.
BXCURE-2959	BXCure 2959 Irgacure 2959	106797-53-9	BXCure 2959 is a highly efficient non-yellowing radical photoinitiator for the UV curing of systems comprising of unsaturated monomers and prepolymers.
BXCURE-127	Omnirad 127 Irgacure 127	474510-57-1	BXCure 127 is a highly efficient UV-curing additive used to initiate the photopolymerization of unsaturated prepolymers – e.g., acrylates – in combination with mono- or multifunctional monomers. BXCure 127 is especially suitable for all types of pigmented UV inks.
BXCURE-1173	Omnirad 1173 Irgacure 1173	7473-98-5	BXCure 1173 is a versatile highly efficient liquid photoinitiator that is used to initiate the photopolymerization of chemically unsaturated prepolymers – e.g., acrylates – in combination with mono- or multi-functional monomers.
BXCURE-BP	BXCure BP Irgacure BP	119-61-9	BXCure BP is a photo initiator for various applications using UV-curing technology, e.g., UV coatings and UV printing inks.
BXCURE-ITX	Omnirad ITX	5495-84-1	BXCure ITX is not suitable for light-colored systems due to the serious change of color after exposure. It is suitable for colored light-curing systems. Its main applications are: PCB inks, electronic product coatings, adhesives, printing inks, home decoration cosmetics packaging, etc.
BXCURE DETX	Omnirad DETX Irgacure DETX	82799-44-8	BXCure DEXT main applications are PCB inks, coating and manufacturing of electronic products, adhesives, printing inks, home decoration, etc., suitable for UVLED applications

Selection guide

Select appropriate photoinitiators according to the type of prepolymer and monomer.
Food solubility and reactivity, less dosage, and high triggering efficiency.
Shall have a certain thermal stability, does not decompose below 85 ℃, and should have long-term storage stability.
It is better to use several photoinitiators in combination, which can initiate curing in different wavelength ranges, which is faster than a single photoinitiator.
Photoinitiator is used in combination with amine accelerator EDAB.
Small odor, no poison, and no environmental pollution.
Cheap and easy to get low cost.

Photosensitizer 395

Photosensitizer 395 Chemical Name 2,4-Oxazolidinedione,5-[[4-(dipenylamino)phenyl]methlene-3-(2-phenylethyl)- CAS NO. 506426-96-6 Appearance Yellow crystal powder Purity ≥98% Melting Point 144-146*C Advantages 1)…

1 year ago

Photoinitiator 261

Photoinitiator 261 Chemical Name (Cumene)cyclopentadienyliron(II) hexafluorophosphate CAS NO. 32760-80-8 Appearance Yellow Powder Purity ≥98% Melting Point 80-84 *C Absorption…

1 year ago

Photoinitiator 262

Photoinitiator 262 Chemical Name h-cumene)-(h-cyclopentadienyl)iron(II) hexafluoroantimonat CAS NO. 100011-37-8 Appearance Yellow Powder Purity ≥98% Melting Point 83-85*0 Absorption Peak…

1 year ago

Photoinitiator ITX

Photoinitiator Irgacure ITX Chemical Name 2-isopropyl thioxanthone Synonym name Omnirad ITX, irgacure ITX CAS NO. 5495-84-1 Appearance Yellowish Powder Purity…

1 year ago

Photoinitiator 369

Photoinitiator Irgacure 369 Chemical Name 2-benzyl-2-(dimethylamino)-4’-morpholinobutyrophenone Synonym name Omnirad 369, irgacure 369 CAS NO. 119313-12-1 Appearance Yellowish Powder Purity ≥99%…

1 year ago

Photoinitiator TPO-L

Photoinitiator Irgacure TPO-L Chemical Name Ethyl (2, 4, 6-trimethylbenzoyl) pheny1phosphinate Synonym name Omnirad TPO-L, irgacure TPO-L CAS NO. 84434-11-7 Appearance…

1 year ago

Photoinitiator MBF

Photoinitiator Irgacure MBF Chemical Name Methylbenzoylformate Synonym name Omnirad MBF, irgacure MBF CAS NO. 15206-55-0 Appearance Yellowish Liquid Purity…

1 year ago

Photoinitiator CBP

Photoinitiator CBP Chemical Name 4-chlorobenzophenon CAS NO. 134-85-0 Appearance White to Light Yellow Powder Purity ≥99% Melting Point 75-77*0 Absorption…

1 year ago

Photoinitiator BP

Photoinitiator Photoinitiator BP Chemical Name Benzophenone Synonym name Omnirad BP CAS NO. 119-61-9 Appearance White flakes Purity ≥ 99.…

1 year ago

Photoinitiator bdk

Photoinitiator Irgacure BDK Chemical name: 2,2-Dimethoxy-2-phenylacetophenone CAS Number: 24650-42-8 Chemical formula: C16H16O3 Chemical Structure Synonym name: Irgacure 651, Omnirad BDK…

1 year ago