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(2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide): A Powerful Photoinitiator

INNO Specialty Chemicals is a leading manufacturer and supplier of (2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide), a powerful photoinitiator widely used in the production of coatings, inks, adhesives, and other UV-cured products. This article will provide an overview of the properties, applications, and benefits of this versatile product.

Properties of (2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide)

(2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide), also known as photoinitiator TPO, is a yellowish crystalline powder with a melting point of 90-93°C. It is soluble in most organic solvents, such as acetone, methyl ethyl ketone, ethyl acetate, and toluene. Its chemical formula is C22H21O2P, and its molecular weight is 348.38 g/mol.

This photoinitiator belongs to the family of α-ketophosphine oxides, which are widely used in free radical polymerization initiated by light. TPO is an efficient initiator of radical polymerization under UV and visible light, with a maximum absorption wavelength of 365 nm. It is also sensitive to blue light, which makes it suitable for curing applications that require a lower energy input.

Applications of (2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide)

(2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide) is a versatile photoinitiator that can be used in a wide range of applications, including:

- UV-cured coatings: TPO is widely used in the formulation of UV-cured coatings for wood, metal, plastic, and other substrates. It provides fast curing, high gloss, and excellent adhesion properties.n- UV-cured inks: TPO is used as a photoinitiator in UV-cured inks for printing on various surfaces, such as paper, plastic, and metal. It offers high color density, sharpness, and durability.n- UV-cured adhesives: TPO is an efficient initiator of radical polymerization in UV-cured adhesives for bonding plastic, metal, and glass substrates. It ensures fast curing, high strength, and good aging resistance.n- Other UV-cured products: TPO can be used in the production of other UV-cured products, such as sealants, varnishes, and resins. It offers a cost-effective and eco-friendly alternative to traditional curing methods.

Benefits of (2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide)

(2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide) offers several benefits for the production of UV-cured products, such as:

- Fast curing: TPO enables fast curing of UV-cured products, which leads to higher productivity and lower energy consumption.n- High efficiency: TPO is a highly efficient photoinitiator, which means that a small amount is enough to initiate radical polymerization and achieve a high conversion rate.n- Good compatibility: TPO is compatible with various monomers and oligomers used in the production of UV-cured products, which provides flexibility in formulation.n- Low toxicity: TPO is a low-toxicity photoinitiator that meets the regulatory requirements for consumer products. It does not contain heavy metals or other harmful substances.

Conclusion

(2,4,6-Trimethylbenzoyl)(diphenylphosphine oxide) is a powerful photoinitiator that plays a crucial role in the production of UV-cured coatings, inks, adhesives, and other products. Its fast curing, high efficiency, good compatibility, and low toxicity make it a preferred choice for many manufacturers. INNO Specialty Chemicals is a reliable supplier of TPO from China, offering high-quality products and excellent customer service.

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