Polyurethanes stabilized with selected 5-substituted...

Details Polyurethanes stabilized with selected 5-substituted... Polyurethanes stabilized with selected 5-substituted...

C - Chemistry, Metallurgy

08

K

C08K 5/3475 (2006.01) C08K 5/00 (2006.01) C08L 75/00 (2006.01)

Patent

CA 2156475

Selected 5-substituted benzotriazole UV absorbers which are red-shifted in theirabsorption characteristics are particularly effective in stabilizing aromatic polyurethanes or polyureas alone or in combination with hindered amine light stabilizers and/or phenolic or aromatic amine antioxidants.

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