C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/00 (2006.01) C08K 5/134 (2006.01) C08K 5/315 (2006.01) C08K 5/3435 (2006.01) C08K 5/1545 (2006.01) C08K 5/524 (2006.01) C08K 5/5393 (2006.01)
Patent
CA 2470014
The invention relates to a stabilising composition containing a 2-cyan-3,3- diarylacrylic acid ester, a sterically hindered monomeric amine, a sterically hindered phenol and optionally a chroman derivative and/or an organic phosphite and/or phosphonite. The inventive stabilising composition is especially suitable for stabilising thermoplastic polyurethane against light, oxygen and heat.
L'invention concerne une composition stabilisatrice contenant un ester d'acide 2-cyano-3,3-diarylacrylique, une amine monomère à encombrement stérique, un phénol à encombrement stérique, et éventuellement un dérivé chromane et/ou un phospite et/ou un phosphonite organique. La composition stabilisatrice selon l'invention est notamment destinée à stabiliser du polyuréthanne thermoplastique contre la lumière, l'oxygène et la chaleur.
Appel Manfred
Heidenfelder Thomas
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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