CHLUMINIT® OXE-01 / Photoinitiator OXE-01 CAS 253585-83-0

Photoinitiator OXE-01 is an oxime ester photoinitiator with high photosensitivity and a broad absorption peak, used to initiate the free radical polymerization of ethylenically unsaturated monomers or multifunctional vinyl monomers. Especially suitable for applications requiring extremely high photosensitivity and low yellowing. Mainly used as spacer materials for displays, microlens materials, covering layers and dielectric or insulating layers and is a low in toxicity, odor, and environmentally friendly photoinitiator.

Photoinitiator OXE-01 Application scenarios

1. Electronic Display Manufacturing
· Color Filters (RGB/BW Pixels), Black Matrix, Display Spacer Materials
High photosensitivity, low yellowing, meeting high-precision patterning and display uniformity requirements
· Quantum Dot Display Patterning
Achieves coffee ring effect suppression, yielding uniform micron-scale patterns

2. Conventional Industrial Applications
UV-curable coatings, inks, adhesives
Efficient polymerization initiation, enhancing curing speed and efficacy

3. Precision Manufacturing
Micro-lens materials, photoresists, encapsulants & insulating layers
Suitable for photopolymerization reactions in complex formulations

💡 Technical Features & Application Selection
OXE-01 possesses the following key technical characteristics, defining its application advantages in the aforementioned fields:

Core Properties:
It is a highly efficient Type I (cracking) photoinitiator that directly decomposes upon UV absorption to generate free radicals, initiating polymerization. Its standout advantages include high photosensitivity and low yellowing tendency, making it particularly suitable for manufacturing products demanding exceptional color purity, whiteness, and long-term stability.

Light Absorption Characteristics:
Its maximum absorption wavelength is centered around 326 nm, making it most suitable for curing systems utilizing traditional mercury lamps or specific wavelength LED sources (e.g., 365 nm). This is a critical consideration when selecting a compatible light source.

Description

Photoinitiator OXE-01

Synonym:Photoinitiator OXE-01; 1-[4-(Phenylthio)phenyl]-1,2-octanedione 2-(O-benzoyloxime); OXE-01

LED365nm

Standard:

Appearance White powder
Purity ≥98%
Absorption peak 252/328
Volatile content ≤0.5%
Boiling point 594.723ºC at 760 mmHg

(in Acetonitrile _____0.001% _____0.01% _____ 0.1%)

Applications:

OXE-01 may be used in UV curable photoresist formulations either alone or in combination with other photoinitiators or sensitizers.

Imaging applications in color filter resists and resists for manufacturing of black matrix for display applications may be of specific interest.

OXE-01 also can be used in photosensitive polyamide formulations, in spacer materials for LCD, in microlense materials, in overcoat layers and in dielectric or insulating layers.

Packaging and Shipping:

Packing:1KG/BAG.10kg/carton.

Delivery:with in 5-7 working days.

Storage:

Stored in a cool dry place out of direct sunlight.

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Additional information

Chemical Name

Photoinitiator OXE-01; 1-[4-(Phenylthio)phenyl]-1,2-octanedione 2-(O-benzoyloxime)

CAS No.

253585-83-0

Molecular Formula

C27H27NO3S

Assay

98%min

Package

10kgs/carton

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