99.9% Purity TPO/photoinitiator TPO/CAS 75980-60-8 For UV Adhesive/ Varnish

99.9% Purity TPO/photoinitiator TPO/CAS 75980-60-8 For UV Adhesive/ Varnish

For acrylate systems, mainly used for screen printing inks, lithographic inks, flexo inks, wood coatings

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Product Details

99.9% purity TPO/photoinitiator TPO/CAS 75980-60-8 for UV adhesive/ varnish

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1. Technical indicators:

Name

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

CAS NO

75980-60-8

Chemical formula

C22H21O2P

Molecular weight

348.37

Appearance

Light yellow powder

Boiling point

91-94℃

purity

≥99%

density

1.2g/cm3

Initiation type

Cleavage-type free radical photoinitiator

Absorption wavelength

273-370nm

      350-400nm


2. Function and features:

1. It has good solubility with oligomers and reactive diluents.

2. Absorption at 269 nm, 298 nm, 379 nm, and 393 nm, and the longest absorption wavelength is 430 nm.

3. The photolysis product is a trimethylbenzoyl radical and a diphenylphosphonyl radical, which are highly active and can initiate polymerization.

4, with photo-bleaching effect, suitable for thick film deep curing, low volatilization, can make the coating non-yellowing, mostly used in white systems.

5, good thermal stability, no chemical reaction occurs when heated to 180 ° C, storage stability is good.

 

Packaging:

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