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Photoinitiators

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Product Overview

Photoinitiators for UV curing systems are in high demand due to the growth in popularity of UV formulations. TPO is one of the most well-known products offered. Chitec's wide range of products are well positioned to meet the needs of the UK market through Lawrence Industries, their UK sales and distribution partner. Fast curing speeds are possible under excitation by both optical and UV lampsFree radical and cation generating photoinitiators are available. Typical applications include 3D printingsolder masksUV cured inks and various high-performance coatings.

Brochures & Technical Literature

Chitec Coating Additives

An introduction to the breadth of products offered by Chitec for the coatings formulator. These include photoinitiators, UV absorbers and light stabilisers. Products suitable for waterborne and 100% systems with a variety of tangible benefits.

download Download PDF 4 MB

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At Lawrence Industries we hold a wide range of sample products in our office allowing us to dispatch them on the day you request them.

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Product Features
  • Free radical photoinitiators and cationic photoinitiators are available
  • Curing possible under both optical and UV wavelength lamps
  • Oligomeric photoinitiators are available for non-migration
  • TPO is the most well-known product but there are many others available upon request
  • Liquid and powder products available
Product Benefits
  • Fast curing speeds under a wide range of wavelengths - flexible to your system
  • Soluble in a wide range of monomers
  • Non-yellowing and non-migration options available
  • Odourless grades are possible
  • High transparency of the end product
Typical Applications
  • UV-cured inks - flexographic, gravure and ink jet
  • 3D printing resins
  • Solder Masks
  • Ultrathin coatings
  • Various coating systems - protective over metal, scratch resistant etc

Featured grades with technical datasheets

A brief overview of the key grades with their Technical Datasheets (TDS) is given below.

If you are looking for a Safety Datasheet (SDS), Product Safety Information (PSI) or an alternate grade, then please get in touch or request a sample.

Key points at a glance:

  • 2,4,6-Trimethylbenzoyldiphenylphosphine oxide
  • Light yellow crystalline powder
  • Very fast cure speed and non-yellowing
  • Minor maximum excitation peak at 382 nm
  • Can be used in thick film and pigmented systems
download Chivacure® TPO Technical Datasheet 184 KB

Key points at a glance:

  • Sulphonium chemistry
  • Low odor
  • Ideal for thin and clear coatings on metal, plastic and paper substrates
download Chivacure® 1176 Technical Datasheet 68 KB

Key points at a glance:

  • Oligo[2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone] and ethoxylated(5)pentaerythritol tetraacrylate (PPTTA)
  • High reactivity, low odor and non-yellowing
  • Compatible with most acrylic-based UV systems
  • Ideal for extra thin coatings
  • Can also be suitable for water-based UV curable systems
download Chivacure® 70 Technical Datasheet 56 KB