Rust-proof sealing composition

Details Rust-proof sealing composition Rust-proof sealing composition

1989-04-17

1991-03-12

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252507, 252509, 252506, 523457, 523458, 523427, 523428, H01B 106, C08K 6300, C08L 6300

Patent

active

049991353

ABSTRACT:
A rust-proof sealing composition contains 30 to 90 parts by weight of an epoxy resin, 8 to 30 parts by weight of a curing agent containing a carboxylic acid derivative selected from the group consisting of aminocarboxylic acid, polycarboxylic acid hydrazide having not less than 8 carbon atoms and mixtures thereof, 1 to 20 parts by weight of an electrically conductive carbon and a balance of a filler such that the total amounts make up 100 parts by weight. The epoxy resin contains 100 to 30 wt. % of a modified epoxy resin selected from the group consisting of a butadiene/acrylonitrile-modified epoxy resin, an urethane-modified epoxy resin and mixtures thereof, and 0 to 70 wt. % of an epoxy other than the modified epoxy resin.

REFERENCES:
patent: 4353816 (1982-10-01), Iwasa
patent: 4479890 (1984-10-01), Prabhu et al.
patent: 4756848 (1988-07-01), Tieke et al.
patent: 4835240 (1989-05-01), Togashi et al.

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