Uvinul - UV-light stabilizers - BASF SE

Kunststoffe international, 2005-11-21, HALS Light Stabiliser: Light Stabilisation and More
...d stabilising action of these products and more on the positive secondary properties that can differentiate a product from the wide variety on the market and offer specific advantages to the user. The widespread use of the oligomeric HALS stabiliser Uvinul 5050 H (manufacturer: BASF AG) shows that its effectiveness as a radical scavenger and excellent light stabiliser is undisputed. Some of the positive secondary effects of this product are described below. Easy Oxidisability Makes the Compoun...

Kunststoffe international, 2007-09-19, Clearer and Longer Protection
... eye is sensitive to these wavelengths. Precisely because of the very high transparency of PET bottles this tint is particularly noticeable. Blue Fluorescence Compensates for Yellow Coloration BASF has now found a way to bypass this basic dilemma. Uvinul S-Pack is a new UV absorber that re-emits part of the absorbed UV radiation as blue light and thus compensates for the absorption in the visible area. In this way the absorption cut-off of the absorber can be pushed right up to the boundary of...

Kunststoffe international, 2008-02-17, Growth in Specialties
...ts during processing. In the same way, coating problems are also avoided. When used with polyolefins, these products are currently the only ones that combine antistatic properties with transparency. BASF AG of Ludwigshafen, Germany, has developed Uvinul S-Pack, a new UV absorber for transparent PET packaging, which protects the package contents from UV light. The additive also absorbs long-wave UV light, which increases the storage life of the contents. Another advantage lies in the blue fluores...