Cathodic protection system and a coating and coating composition

Details Cathodic protection system and a coating and coating composition Cathodic protection system and a coating and coating composition

1994-10-06

1995-07-11

Niebling, John

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252518, 252519, H01B 102

Patent

active

054317959

ABSTRACT:
Cathodic protection system for the cathodic protection of a reinforced concrete structure, which system comprises a concrete structure containing steel reinforcement bars and an electrically conductive coating bonded to an external surface and in electrical contact with the structure, and wherein said electrically conductive coating is a non-cementitious coating comprising a matrix of an organic polymer containing electrical conductivity-providing particles of carbon coated with a conductive metal of a type possessing a natural passive oxide film which is itself electrically conductive, and an alkaline buffer material or combination of materials for inhibiting or preventing the build up of acidity in the coating when the cathodic protection system is in operation.

REFERENCES:
patent: 4172182 (1979-10-01), Stacy
patent: 4255241 (1981-03-01), Kroon et al.
patent: 4395189 (1983-01-01), Karuks et al.
patent: 4596670 (1986-06-01), Liu
patent: 4812212 (1989-03-01), Dimond et al.
patent: 4966729 (1990-10-01), Carmona et al.
patent: 5055166 (1991-10-01), Schutt
patent: 5183694 (1993-02-01), Webb
patent: 5250228 (1993-10-01), Baigrie
patent: 5254228 (1993-10-01), Westhof et al.
patent: 5378407 (1995-01-01), Chandler et al.

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