Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

IGM Omnirad TPO-L UV Photoinitiator液体

IGM Omnirad TPO-L is a high-efficiency liquid low-yellowing acylphosphine oxide Type I free radical UV photoinitiator in the Omnirad® series, designed for UV radiation curing systems. Its core component is Ethyl (2,4,6-trimethylbenzoyl)-phenylphosphinate. It can efficiently decompose to generate free radicals when exposed to UV light, quickly initiating the polymerization of unsaturated oligomers such as acrylates containing styrene and unsaturated polyesters

Features Of IGM Omnirad TPO-L UV Photoinitiator

  1. High-efficiency Type I initiation - Acylphosphine oxide structure, high free radical initiation efficiency and excellent deep curing effect

  2. Easy liquid processing - Clear yellow liquid, easy to add, good fluidity, accurate measurement, suitable for continuous production

  3. Low-yellowing and weather resistance - No obvious yellowing after curing, excellent weather resistance, better than traditional TPO, suitable for high appearance scenarios

  4. Broad-spectrum compatibility - Compatible with solvent-based and water-based UV systems, soluble in various coating solvents and UV monomers

  5. Excellent compounding performance - Can be compounded with various photoinitiators to optimize curing performance, suitable for transparent, pigmented and other formulations

Typical Applications Of IGM Omnirad TPO-L UV Photoinitiator

  1. UV ink field - Offset, screen, flexo inks, suitable for wood, metal, plastic and other substrates, high printing precision

  2. Coating field - Wood, metal, plastic UV coatings, uniform curing, improving coating wear resistance and decorativeness

  3. Adhesive field - Universal UV curing adhesives, suitable for paper, optical fiber and other substrates, high bonding strength

  4. 3D printing field - 3D printing photocurable resins, high initiation efficiency, improving printing molding speed and precision

  5. Optical fiber coating field - UV protective coatings for optical fiber surfaces, fast curing, good fit and excellent protective performance

Specifications Of IGM Omnirad TPO-L UV Photoinitiator

Appearance (25°C)Clear yellow liquid
Purity≥95.0%
Molecular Weight316.33 g/mol
Absorption Wavelength Range299nm, 366nm (characteristic peaks in methanol solution)
Solubility (20°C)Soluble in acetone, toluene, acrylate monomers; suitable
Density (20°C)1.1 g/cm³
Flash Point (CC)>100°C


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