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  3. 大同化成工業 本社(東京都)、桶川工場(埼玉県)
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大同化成工業 本社(東京都)、桶川工場(埼玉県)

EstablishmentDecember 23, 1939 (Showa 14)
capital6000Ten thousand
number of employees96
addressTokyo/Chiyoda-ku/2-8-2 Neikanda, Katayama Building 2nd and 3rd floors
phone03-3256-1936
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last updated:Oct 10, 2025
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大同化成工業 Product Lineup

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Organic pigments (Pigment division) Organic pigments (Pigment division)
UV photosensitizer (Trade Division) UV photosensitizer (Trade Division)
Carbon black dispersion (coloring materials division) Carbon black dispersion (coloring materials division)
UV

UV photosensitizer (Trade Division)

In the trade department that handles UV sensitizers, we have established close relationships with chemical manufacturers in the Asian region and import high-quality, cost-effective chemicals. We deal with fine chemicals, primarily focusing on photopolymerization initiators, as well as various monomers, dyes, and pigment intermediates.

UV photosensitizer (photopolymerization initiator)

UV photoinitiators used in the surface processing field such as UV inks, UV coatings, and resists.

Our company handles "UV photoinitiators" in the trade department. We mainly deal with fine chemicals such as photopolymerization initiators, various monomers, dyes, and pigment intermediates. The primary photoinitiator, which is a UV photoinitiator, imparts the characteristic of quick-drying to the final product. Additionally, from an environmental perspective, it generates low VOC emissions and allows for the production of energy-efficient and clean products. Please feel free to contact us if you have any inquiries. 【Chemicals Handled】 ■ Benzophenone-based photopolymerization initiators ■ Alkylphenone-based photopolymerization initiators ■ Thioxanthone-based photopolymerization initiators ■ Acylphosphine oxide-based photopolymerization initiators ■ Photopolymerization sensitizers / photopolymerization accelerators, etc. *For more details, please download the PDF or feel free to contact us.

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Trade Department (UV Sensitizers)

Manufacturing energy-efficient and clean products! In the field of surface processing such as UV inks and UV coatings.

Our trading department mainly handles UV photoinitiators. The main photoinitiator in UV systems provides the final product with the characteristic of quick drying, and environmentally, it generates low VOC emissions, enabling the production of energy-efficient and clean products. Additionally, by promoting the sale of UV photoinitiators and contributing to the spread of UV curing inks, we are helping to reduce environmental impact through energy conservation, decrease greenhouse gas emissions, and improve labor conditions by reducing VOCs. [Applications] ■ UV inks ■ UV coatings ■ Resists, etc. *For more details, please download the PDF or feel free to contact us.

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