Wholesale PI TPO Photoinitiators TPO Powder CAS 75980-60-8

Wholesale PI TPO Photoinitiators TPO Powder CAS 75980-60-8

Wholesale PI TPO Photoinitiators TPO Powder CAS 75980-60-8 1 Packing: 20kg/carton Shelf life 12 months 2, due to sensitivity to light, should be stored in the dark, stored at room temperature (below 25 ° C) and in a dry environment,

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Product Details

                      Irgacure tpo

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Specification of Factory Price PI TPO Photoinitiators Irgacure tpo CAS 75980-60-8

 

Items

Technical index

Product name

2,4,6-trimethylbenzoyldiphenyl phosphine oxide

Synonyms

Photoinitiator TPO

CAS No.

75980-60-8

Molecular formula

C22H21O2P

Molecular Weight

348.37

Appearance

light yellow powder

Assay

99%min

Melting Point

90.0-94.0 'C 

Loss Rate:Volatile Matter

0.5%max

Ash Content

0.1%max

Dlarity

10 g / 100 ml toluene

 


 (3) Features and functions
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.

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4) Main uses

1. For acrylate systems, especially 1, mainly used for screen printing inks, lithographic inks, flexo inks, wood coatings.

2, mostly used in white systems, TPO can be fully cured on the surface of white or high titanium dioxide pigments.

3, because the coating is not yellow, the post-polymerization effect is low, no residue, can also be used for transparent coating, especially suitable for products with low odor requirements.

Colored systems, usually in combination with amines or acrylamides, and other photoinitiators, to achieve complete cure of the system are particularly suitable for the curing of low yellowing, white systems and thick layers. (The photoinitiator TPO is used in combination with MOB 240 or CBP 393 to improve curing efficiency.)

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Factory Price PI TPO Photoinitiators Irgacure tpo CAS 75980-60-8 

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Web:www.apuvcoating.com


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