Oligomeric esteramides containing pendant hindered amine groups

Details Oligomeric esteramides containing pendant hindered amine groups Oligomeric esteramides containing pendant hindered amine groups

1982-11-10

1984-03-27

Hayes, Lorenzo B.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

525186, 525419, 528341, 546190, C07D40112, C07D40114, C08K 534

Patent

active

044395655

ABSTRACT:
Oligomeric esteramides having recurring structural units of the formula ##STR1## where G is a hindered amine radical of formula I or II ##STR2## in which R.sup.1 is hydrogen or alkyl having 1 to 4 carbon atoms, R.sup.2 is hydrogen, alkyl having 1 to 12 carbon atoms, allyl, benzyl, acetyl, acryloyl or cyano, Z.sub.1 is a direct bond, --NHCH.sub.2 CH.sub.2 --, --NHCH.sub.2 CH.sub.2 CH.sub.2 -- or --OCH.sub.2 CH.sub.2 --, Z.sub.2 is ethylene or trimethylene, E is a divalent aliphatic, aromatic or alicyclic radical and L is unsubstituted or substituted alkylene, are useful light stabilizers for plastics.

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