Process for the preparation of stabilizers for organic polymers

Details Process for the preparation of stabilizers for organic polymers Process for the preparation of stabilizers for organic polymers

1987-07-27

1990-08-14

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

546 14, 548406, 556449, 556469, C07F 702, C07F 704

Patent

active

049488880

ABSTRACT:
Stabilizers for organic polymers are disclosed, of the type of sterically hindered phenols or amines, which are obtained by means of the reaction of a sterically hindered phenol or amine bearing in the molecule at least in alkoxysilanol group with a mono- or poly-hydroxy aliphatic alcohol, by a transesterification reaction.
The stabilizers so obtained are compatible with the organic polymers, wherein they remain stably.

REFERENCES:
patent: 2641581 (1953-06-01), Fano
patent: 3328450 (1967-06-01), Plueddemann
patent: 4374742 (1983-02-01), Evans et al.

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