Corrosion-inhibiting rubber and methods of preparation

Details Corrosion-inhibiting rubber and methods of preparation Corrosion-inhibiting rubber and methods of preparation

1975-01-13

1977-09-27

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

21 25R, 21 27R, 106 14, 148 6, 252392, 427216, 427221, C23F 1114, C23F 1118

Patent

active

040510662

ABSTRACT:
The disclosed corrosion-inhibiting elastomers are typically made by milling the corrosion inhibitor into a solid rubber matrix. Preferred corrosion inhibitors include the aromatic carboxylates of primary, secondary or tertiary amines. Chromates and 2-ethylhexanoates can also be used. Organic ammonium nitrites are effective against some types of corrosion, but should be used with relatively inert elastomers. There appears to be synergistic cooperation between the elastomeric molecular structure and the corrosion inhibitor resulting in unusually effective protection of ferrous and/or nonferrous metals adjacent to rubber parts made from the corrosion-inhibiting elastomer.

REFERENCES:
patent: 2914377 (1959-11-01), Bull
patent: 3642998 (1972-02-01), Jennings
patent: 3836077 (1974-09-01), Skildum

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