Ciba Specialty Chemicals Corporation

Basf Se Corporation

Urs Hirt

Paul A Odorisio

Stephen Mark Andrews

Dario Lazzari

Roswell E King, Iii

Dirk Simon

Michael Tinkl

Daniel Müller

Roger Reinicker

Natacha Berthelon

Melissa Stamp

Klaus H Stoll

Judy Van De Langkruis

Klaus Stoll

An additive mixture containing the components (A), (B) and optionally (C), wherein component (A) is at least one compound of the formula (I)  

Additive mixtures

A mixture of a polyester, such as poly(ethylene terephthalate) PET, or a polyamide, and a suitable stabilizer selected from the group consisting of hydroxylamine stabilizers, substituted hydroxylamine stabilizers, nitrone stabilizers and amine oxide stabilizers, when extrusion compounded exhibits a lower residual acetaldehyde content than does polyester or polyamide alone when similarly treated. The invention pertains to any polyester or polyamide used in the manufacture of molded articles, fibers or films, for instance bottles or containers which are used to store consumer materials, for example food, beverages and water.

Polyester and polyamide compositions of low residual aldehyde content

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Muttenz, Switzerland

Urs Hirt