Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1977-08-15
1981-03-31
Gallagher, John J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
156110A, 156315, 156330, 156331, 4274071, 428414, 4284769, 4284763, B32B 2734
Patent
active
042594049
ABSTRACT:
Rubber compounds are readily bonded to nylon or polyamides, particularly tire cords of polyamides in which a high proportion of the amide linkages are attached directly to aromatic rings, using a two-step dip process in which the first dip comprises a liquid dispersion or solution of an epoxide having an average of from about two to four epoxide groups per molecule and a molecular weight up to about 600 and the second dip comprises an aqueous dispersion of a mixture of a major amount of a rubbery vinyl pyridine copolymer and a minor amount of a heat reactable 2,6-bis(2,4-dihydroxy phenylmethyl)-4-chlorophenol composition. High H-adhesions are obtained with this process. It is particularly useful for the bonding to rubber compounds of crystalline polyamides having a large number of aromatic groups in the polymeric structure, e.g., "Fiber B".
REFERENCES:
patent: 2902398 (1959-09-01), Schroeder
patent: 3063966 (1962-11-01), Kwolek et al.
patent: 3111448 (1963-11-01), Tawney
patent: 3247043 (1966-04-01), Cardina
patent: 3423230 (1969-01-01), Georges
patent: 3660202 (1972-05-01), Edington et al.
patent: 3861980 (1975-01-01), Wise
Gallagher John J.
The General Tire & Rubber Company
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