With Tinuvin 880 and Tinuvin XT55, BASF launches the latest generation of light stabilisers at K 2016, the world’s largest trade fair for plastics and rubber.
Tinuvin 880 is based on a new chemistry that enables formulators to accurately adjust the car part performance to end applications and also ergonomics. Basically, this is a medium molecular weight light stabiliser, which provides significantly improved light stability especially in interior applications with the additional benefit of offering higher thermal stability. Its unmatched UV resistance enables the plastic material to maintain a long-lasting appearance, improves heat stability and eliminates mould deposits and avoids stickiness even on scratch-resistant film.
Tinuvin 880 is compatible with materials frequently encountered in interior parts of a car, such as polypropylene, other thermoplastic polyolefins and styrenic blends. It is designed for the production of lightweight automotive interior applications such as instrument panels, door panels, consoles, glove boxes and trims. With its intrinsic outstanding features to provide UV resistance, in the long run, Tinuvin 880 is expected to become a leading candidate for automotive exterior applications, such as rocker panels, side cladding and bumpers.
The other new product is Tinuvin XT 55. It provides formulators with very good durability and excellent secondary properties such as colour stability, gas fading and extraction resistance. Using this new solution, an excellent cost performance will be achieved by adjusting dosage and other formulation components to end application conditions and expectations. A key benefit is its very low contribution to water carryover. This enables the production line to run without disruptions. A good example of this is the manufacturing of polyethene monofilaments for artificial turfs used to make sports floors or for landscaping.
The additives and colourants are usually added via a concentrated combi-batch and the filaments may be processed through a water bath. In the latter case, a phenomenon called water carryover is regularly experienced on the line leading to production disruption. The wrong choice of additives can worsen this processing issue. The production of fibres and tapes with processing issues and production halts can lead to a capacity reduction or potentially quality inconsistency. Its applications include fibres and tapes used in technical textiles for the construction industry like geotextiles, roofing insulation, barrier structures as well as carpets.
© Chemical Today Magazine
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