TINTOLL has been actively involved in the development and application research of innovative light stabilizers since 1989, offering the most comprehensive portfolio of stabilizers: Ultraviolet Absorbers (UVA) and Hindered Amine Light Stabilizers (HALS) for effective stabilization against light and weathering harmful effects. In addition to being widely used in various plastic products, light stabilizers are also suitable for water-based (WB), solvent-based (SB), UV-curable and powder coatings, as well as inks, adhesives and sealants.
TINTOLL provides professional formulations for different composite materials. In addition, TINTOLL has also developed UV absorbers with special structures and special applications, such as Benzylidene Malonate UV Absorbers.
PowerSorb™ 988 is a benzylidene dimalonate type UV absorber with significant absorption in the high energy (low wavelength) range of the UV spectrum, which can significantly improve engineering plastics such as polycarbonate and polyester long-term stability. In addition to the stability of PC, as a high-efficiency colorless UV absorber, PowerSorb™ 988 benzylidene malonate UV absorber can also be used to improve the light stability of PET to prevent possible UV yellowing and embrittlement. If it is necessary to maintain the transparency of the product, PowerSorb™ 988 will be a good choice.
Molecular Structure: The core of these UV absorbers for polymers is the benzylidene malonate group, which exhibits a strong absorbance in the UV spectrum. This structural feature allows them to absorb UV energy, preventing it from penetrating or affecting the material they protect.
Absorption Mechanism: Benzylidene Malonate UV Absorbers operate through a process known as electronic excitation. When exposed to UV radiation, these compounds undergo an electronic transition, absorbing the UV energy and converting it into less harmful thermal energy. This prevents the UV radiation from causing damage or degradation.
UV Spectra: These UV absorbers are types of polymer stabilizers and are particularly effective in the UV-B and UV-A regions, absorbing radiation in the wavelengths commonly associated with sunburn, skin aging, and damage to materials. This selective absorption makes them ideal for photoprotection.
Applications: The science of Benzylidene Malonate UV Absorbers finds applications in various industries, including sunscreens and skincare products to protect the skin from UV radiation. They are also used in the plastics and coatings industry to safeguard materials from UV-induced degradation.
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