Blue light cut, high heat resistance UV absorber "DAINSORB T-206"
Recently, the demand for polyester and polycarbonate with blue light cut performance for applications such as eyewear and displays has been increasing. Generally, these resins are molded by melt mixing at high temperatures of around 300°C. When adding UV absorbers to the resin, it is common to add them during the mixing process; however, in the case of organic UV absorbers, the decomposition temperature is often below 300°C. Therefore, there are few UV absorbers that can withstand temperatures above 300°C. Our product has heat resistance above 300°C, allowing for direct melt mixing with materials that require temperatures above 300°C for molding, similar to the aforementioned resins. As a result, it is possible to impart blue light cut performance directly to the resin itself.
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"Things that no one has done yet" and "There are surely people who will be happy if it exists"… The Yamato Kasei Group develops its unique chemical business in niche markets that major manufacturers do not tackle, under the spirit of 'San-so.' The value of the Yamato Kasei Group lies in launching new products into the world through original technology development that does not imitate others. With this sentiment in mind, we adopted "We are Chemical Innovators" as our corporate slogan. To put this slogan into practice, we will continuously challenge ourselves with new, interesting, and unprecedented endeavors.
