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WPBG-140

WPBG-140

353-33673

Packaging Size: 5 g

WPBG-140 is a photo base generator which can be used for a variety of applications. It generates... more

Product information

WPBG-140 is a photo base generator which can be used for a variety of applications. It generates imidazole by photo-irradiation and has an absorption band in the long wavelength region.

In photo polymerization processes such as UV and near UV photocure, WPBG products are not subject to inhibition by the oxygen in the air like photo radical generators. They are less likely to cause corrosion problems and the denaturation of cured films like photo acid generators.

The photo generators of the WPBG series generate bases of various basicity, which provide different curing speed and photo-sensitivity. Various grades of WPBG products from high quality, high purity (HP) to general-purpose grades are available. 

Chemical Name

1-(Anthraquinon-2-yl)ethyl imidazolecarboxylate

CAS No.: 1418139-51-1

Molecular weight: 346.34

Physical characteristics

Appearance Pale yellow powder
Melting/freezing point 124° C
Solubility

Freely soluble in NMP (N-methylpyrrolidone)
Slightly soluble in water and acetone
Sparingly soluble in Methanol and PGMEA (1-methoxy-2-propyl acetate)

Main Applications

  • Photo curable coatings and resin glazing
  • Adhesives and optical encapsulates
  • Solder resist

Storage

Store at 2-10° C in a well ventilated space. Keep only in original container and protect against external exposure such as heat, humidity and UV-radiation.

Safety Information

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Serious Health Hazard
For specific information on the safe handling of the product, please refer to the material safety data sheet (MSDS) which is available on request.

Literature

For more information and the latest publications please visit the Mediacenter.

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