UVstabilisering
UVstabilisering refers to the measures used to limit degradation of polymers and coatings caused by ultraviolet light. Ultraviolet exposure can initiate photochemical reactions that lead to chain scission, oxidation, discoloration, and embrittlement, diminishing mechanical properties and appearance. Stabilization is achieved primarily through additive systems that absorb UV energy or quench reactive species, thereby slowing or preventing damage.
Two main classes of stabilizers are widely used. UV absorbers capture UV photons and convert the energy
Applications span a broad range of polymers and coatings. Common plastics such as polyolefins (PE, PP), polyvinyl
Testing and standards for UVstabilisering typically involve accelerated weathering or solar-simulation tests (e.g., QUV, ISO 4892,