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Title: Stabilizers for polymers and polymers stabilized thereby

Abstract: New derivatives of N,N'-4-piperidyl-tetralkyl-substituted alkylene diamines are disclosed. These new compounds are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation. A process for producing the new compounds is also disclosed, as well as the use thereof as stabilizers of polymers and polymeric compositions.


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Inventors: Di Battista, Piero (S. Donato Milanese, IT)
Fontanelli, Renzo (Milan, IT)
Gratani, Francesco (Sesto San Giovanni, IT)
Nelli, Giuseppe (Milan, IT)

Application Number: 964161
Filing Date: 1978-11-28
Publication_date: 1980-07-01
Assignee: Montedison S.p.A. (Milan, IT)
Primary Class(es): 524/103 546/22, 546/190, 987/41, 987/366
Other Classes:
US Patent Ref:
4104248Aug, 1978Cantatore546/22.

Other Refs:
Primary Examiner: Ford, John M.
Assistant Examiner: Bond, Robert T.
Attorney: