Siliconic stabilizer compounds for organic polymers, and...

C - Chemistry – Metallurgy – 07 – F

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400/7065, 260/27

C07F 9/547 (2006.01) C07F 9/59 (2006.01) C07F 9/6574 (2006.01) C08K 5/54 (2006.01)

Patent

CA 1336194

Siliconic compounds, stabilizer for organic polymers, containing in their molecule the aromatic phosphite or phosphonite function and the sterically hindered aminic function, are obtained by making a 2,2,6,6- tetramethyl-piperidinyl-4-oxyalkylene-?-alkyl-di(alkyloxy) silane, an aliphatic glycol, an aromatic phosphite, phosphonite or diphosphite and possibly an aliphatic mono- hydroxy alcohol interact with each other. The invention is also directed to a polymeric stabilized compositions comprising an organic polymer and a stabilizer amount of at least one of the above mentioned siliconic stabilizer compounds.

536152

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