Sinocure Chemical Group Co.,Ltd.

Cationic photoinitiator

Sinocure® 938

Sinocure ®938 is cationic photoinitiator of the iodonium hexafluorophosphate family, designed for non-silicone applications such as the cationic UV curing of inks to speed up the rate of curing. This crystalline powder enables good adhesion to metal substrates and presents low yellowing in clear coatings and thin films in addition to its use to cure cycloaliphatic epoxy resins, vinyl ethers, glycidyl ethers, oxetane, epoxidised olefins and other cationically cured materials.

Its absorption maximum is  241nm. Sinocure ® 938 provides high reactivity and solubility in cationic systems when used at 0.5-5 wt% in UV curable formulations and LED curable formulations when sensitised with thioxanthones

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Sinocure® 938

Synonym:Speedcure 938

Chemical Structure:

Specification

Appearance white powder
Assay 98% min
Melting Range 170-180 ℃
Loss on drying 1% max
Absorption λ max 267 nm

 

Property

Sinocure ®938 is cationic photoinitiator of the iodonium hexafluorophosphate family, designed for non-silicone applications such as the cationic UV curing of inks to speed up the rate of curing. This crystalline powder enables good adhesion to metal substrates and presents low yellowing in clear coatings and thin films in addition to its use to cure cycloaliphatic epoxy resins, vinyl ethers, glycidyl ethers, oxetane, epoxidised olefins and other cationically cured materials.

Its absorption maximum is  241nm. Sinocure ® 938 provides high reactivity and solubility in cationic systems when used at 0.5-5 wt% in UV curable formulations and LED curable formulations when sensitised with thioxanthones

 

Applications

⦁ Clear coatings

⦁ Pigmented systems

⦁ LED curing

⦁ Electronics

⦁ Adhesives

⦁ 3D printing

 

Package: Drum ,botte.

Storage:

Stored in a cool dry place out of direct sunlight.

Details

Chemical Name

Bis(4-t-butyl phenyl)lodonium hexafluorophosphate

CAS No.

61358-25-6

Molecular Formula

C20H26F6IP

Assay

98%min

Package

Carton /drum

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