Sinocure Chemical Group Co.,Ltd.

Cationic photoinitiator

Sinocure® 6993

Sinocure® 6993 is a cationic photoinitiator,The triarylsulfonium salt photoinitiator has high photoinitiation activity because the sulfur atom can be partially conjugated with three aromatic rings, and the positive charge is dispersed. After light excitation, it can undergo cleavage to produce polymerization active species; it has good absorption at 365nm; It has the characteristics of fast curing speed, good surface drying, no yellowing, no migration, and no smell.

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SINOCURE® 6993

Synonym:UV Cationic Photoinitiator 6993;UVI-6993;UVI-6976 powder; Mixed type triarylsulfonium hexafluoroantimonate salts

CAS NO:71449-78-0

Molecular Structure:

Standard:

Appearance Off-white powder
Solid Content 99% min
Dry Weight 1% max


UV Absorption Spectrum :

Applications:

1、Clear coatings and thicker films.

2、Used to cure cycloaliphatic epoxy resins such as Sinepoxy® CER-421 and Sinepoxy® CER-4299, vinyl ethers and other cationically cured materials.

3、A starting formulation would contain 1.5 – 3.0 % w/w of SINOCURE® 6993 in a clear coating.

Packaging and Shipping:

Packing:25kgs to 200kgs/drum.

Delivery:with in 5-7 working days.

Storage:

Stored in a cool dry place out of direct sunlight.

Details

Chemical Name

4-Thiophenyl phenyl diphenyl sulfonium hexafluoroantimonate

CAS No.

71449-78-0

Molecular Formula

C24H19S2.SbF6

Assay

99% min

Package

25kgs/drum;200kgs/drum

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