Substituted 1,4-diamino-2-butyne or propargylamine as stabilizer

Details Substituted 1,4-diamino-2-butyne or propargylamine as stabilizer Substituted 1,4-diamino-2-butyne or propargylamine as stabilizer

1991-05-16

1992-09-29

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524167, 524172, 524217, 524239, 524243, 524251, 524252, 524254, 524257, 524258, C08K 520, C08K 518, C08K 517

Patent

active

051514591

ABSTRACT:
N,N,N',N'-Tetrasubstituted 1,4-diamino-2-butynes or N,N-disubstituted propargylamines where the substituents are alkyl, cycloalkyl, phenylalkyl, aryl or mixtures thereof provide effective antioxidant protection to lubricants and/or synthetic polymers.

REFERENCES:
patent: 2273141 (1942-02-01), Reppe et al.
patent: 3057818 (1962-10-01), Anderson
patent: 3340259 (1967-09-01), Vitcha et al.
J. d'Angelo, J. Bull. Chim. Soc. France, 1970, 2415.
A. Mostamandi et al., Z. Org. Khim. 18, 977 (1982).
Chem. Abst. 97,201547k (1982).
Chem. Abst. 100, 211061s (1985).

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