Sinocure® CAT-935

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Sinocure® CAT-935

(4-Octyloxyphenyl)phenyliodonium hexafluoroantimonate, CAS 121239-75-6, cationic photoinitiator, UV curing initiator

SINOCURE® CAT-935 is a cationic photoinitiator belonging to the iodonium salt family. It is designed for use in cationic UV-curing systems, especially in light-colored formulations. The product exhibits high photoinitiation activity, fast curing speed, excellent surface cure, non-yellowing, non-migration, and odorless characteristics. When used with appropriate sensitizers, it shows good absorption at 365 nm and 385 nm, making it highly effective for LED-curing applications. It offers excellent cost-performance with low dosage requirements.

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SINOCURE® CAT-935

(High-Performance Cationic Photoinitiator for UV Curing Systems)

化学名称：(4-Octyloxyphenyl)phenyliodonium hexafluoroantimonate

CAS No.:121239-75-6

MF :     C20H26F6IOSb   

MW:    645.07

Molecular structure:

General Information :

SINOCURE® CAT-935 is a cationic photoinitiator belonging to the iodonium salt family. It is designed for use in cationic UV-curing systems, especially in light-colored formulations. The product exhibits high photoinitiation activity, fast curing speed, excellent surface cure, non-yellowing, non-migration, and odorless characteristics. When used with appropriate sensitizers, it shows good absorption at 365 nm and 385 nm, making it highly effective for LED-curing applications. It offers excellent cost-performance with low dosage requirements.

技术指标 :
检验项目 (Item) 指标要求 (Specification)
外观 (Appearance) 白色粉末
熔点 (Melting Point) 165 – 172°C
纯度 (Purity) ≥ 99%
Volatiles ≤ 0.5%
Absorption Peaks 205, 248 nm
Recommended Dosage 0.5 – 3% (w/w)
核心特性 :

  • High photoinitiation activity

  • Fast curing speed and good surface cure

  • Non-yellowing, non-migration, odorless

  • Good absorption at 365 nm and 385 nm when combined with sensitizers

  • Suitable for light-colored cationic UV systems

  • Low dosage, high cost-performance

推荐应用 :

  • Cationic UV-curable coatings

  • Cationic UV inks

  • Cationic UV adhesives

  • Light-colored cationic UV systems

  • LED-curable systems (with sensitizers, at 365/385 nm)

包装 :

20kg/Carton

贮存 :

存放在干燥、阴凉、通风良好的库房内。

Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.


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  • 化学名称 :

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Sinocure® CAT-935

(4-Octyloxyphenyl)phenyliodonium hexafluoroantimonate, CAS 121239-75-6, cationic photoinitiator, UV curing initiator

SINOCURE® CAT-935 (CAS 121239-75-6) is a high-performance cationic photoinitiator manufactured for UV-curable coatings, inks, and adhesives. As an ISO certified supplier, we provide this iodonium salt with fast curing, non-yellowing, and excellent LED compatibility at 365/385 nm.

  • 化学名称 :

    (4-Octyloxyphenyl)phenyliodonium hexafluoroantimonate

  • CAS 登录号 :

    121239-75-6

  • 分子式 :

    C20H26F6IOSb

  • 纯度/含量 :

    99%min

  • 包装规格 :

    1KG/BAG,20kgs/carton

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