Basf Se Corporation

Cinzia Tartarini

Bruno Rotzinger

Walter Fischer

Ulrich Berens

Kai-Uwe Schöning

Werner Hölzl

Kai-Uwe Schoening

Abdel-Ilah Basbas

Adalbert Braig

Alex Wegmann

Wolfgang Peter

Markus Grob

Tania Weyland

Walid Al-Akhdar

Alexander Dichtl

Werner Holzl

The invention relates to a composition, which comprises the components (a) an organic material susceptible to oxidative, thermal or light-induced degradation, which is a polyether polyol, a polyester polyol or a polyurethane; (b) a bisphenolic stabilizer of formula (I) wherein n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11; and (c) a chromanol stabilizer of formula (II) wherein Rand Rare independently of each other H or C-alkyl. A process for manufacturing the aforementioned composition, the use of an additive mixture comprising component (b) and (c) for stabilizing the component (a) and the additive mixture itself are described. 

Additive mixture for stabilization of polyol and polyurethane

A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) where R, R, R, R, R, R, R, R, Rand Rare independently from each other H, C-C-alkyl, C-C-cycloalkyl, phenyl, C-C-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is &#x2014;C(=0)-OR', &#x2014;C(=0)-N(R)(R&#x2032;), &#x2014;CN, phenyl, which is unsubstituted or substituted by one or more C-C-alkyl, C-C-alkoxy, C-C-cycloalkyl or halogen, &#x2014;H or &#x2014;S0-phenyl; when n is 2 A is &#x2014;C(=0)-0-Z&#x2014;O&#x2014;C(=0)-, &#x2014;C(=0)-N(R&#x2033;)&#x2014;Z&#x2014;N(R&#x2033;)&#x2014;C(=0)- or piperazine-N,N&#x2032;-biscarbonyl. 

5H-furan-2-one derivatives stabilization of organic material

The present invention relates to symmetric diesters of hydroxyalkyl-4-hydroxy-tetraalkylpiperidine compounds and their use as light stabilizers. They are compatible with and soluble in coating formulations of different polarity.

Light stabilizers

A composition, which comprises a) an organic material susceptible to oxidative, thermal or light-induced degradation; and b) a compound of formula I (Formula I) (I) wherein R, R, R, R, R, R, R, R, Rand Rare independently from each other H, C-C-alkyl, C-C-cycloalkyl, phenyl, C-C-alkoxy or halogen; n is 1, 2, 3, or 4; and when n is 1 A is &#x2014;C(=0)-OR', &#x2014;C(=0)-N(R&#x2032;)(R&#x2032;), &#x2014;CN, phenyl, which is unsubstituted or substituted by one or more C-C-alkyl, C-C-alkoxy, C-C-cycloalkyl or halogen, &#x2014;H or &#x2014;S0-phenyl; when n is 2 A is &#x2014;C(=0)-O&#x2014;Z&#x2014;O&#x2014;C(=0)-, &#x2014;C(=0)-N(R&#x2033;)&#x2014;Z&#x2014;N(R&#x2033;)&#x2014;C(=0)- or piperazine-N,N&#x2032;-biscarbonyl. 

5H-furan-2-one derivatives for stabilization of organic material

The invention relates to a compound of the formula (I-1) whereinn is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 or 25, R, R, R, R, R, R', R&#x2032;, R&#x2032;, R&#x2032;and R&#x2032;are each independently from each other H or C-C-alkyl. Compounds of the formula (I-1) or stabilizer mixtures containing compounds of the formula (I-1) are especially used for stabilization of polymers against degradation by oxidation, heat or light.

Polyglycol bis-[3-(7-tert-butyl-2-oxo-3-phenyl-3H-benzofuran-5-yl-)propanoyl] derivatives as stabilizers of organic material

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Basel, Switzerland

Cinzia Tartarini