Reactive adhesive

Details Reactive adhesive Reactive adhesive

1980-09-22

1981-12-29

Hamrock, William F.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 292N, 260 296MN, 260 296CM, C08F 830

Patent

active

043083650

ABSTRACT:
An improved reactive adhesive for bonding rubber to rubber or rubber to other substrates such as metal or plastic, comprises an effective mixture of (a) an ionomer resin comprising a copolymer of ethylene, vinyl or polyoxymethylene monomer with a pendant carboxylic acid-containing compound, and (b) a poly-C-nitroso compound. The ionomer resin may be one which has been metal-or quaternary ammonium-neutralized and may be dispersed in water or the like, along with the poly-C-nitroso compound. Preferably, the poly-C-nitroso compound comprises para-dinitrosobenzene. The ionomer may, for example, comprise a polyethylene-methacrylic acid copolymer which has been neutralized with sodium, zinc, or the like. Preferably, the poly-C-nitroso compound is present in a concentration of at least about 15 parts per 100 parts by weight of said ionomer and, most preferably, between about 35 and about 80 parts per 100 parts by weight of said ionomer resin. The adhesive forms a tenacious bond with the poly-C-nitroso compound acting as a bifunctional cross-linking agent. Interchain bonding by predominantly ionomeric linkages produces environmental resistance, weather resistance, ultraviolet and chemical resistance and thermal resistance in the bonded reacted adhesive.

REFERENCES:
patent: 3804798 (1974-04-01), Canton
patent: 3859258 (1975-01-01), Manino
patent: 3949143 (1976-04-01), Schlesinger
patent: 4068027 (1978-01-01), Van Ornum
patent: 4091195 (1978-05-01), Vitek

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